X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=variants%2FChakart%2FChakart.js;fp=variants%2FChakart%2FChakart.js;h=0000000000000000000000000000000000000000;hb=3a77a0b4c3ba2f767a81ef688ae6aa70b95250be;hp=9659ef38fac18e2f9c30baa1666e097cf6d2d767;hpb=f429756ddd1ac5f12b0ae8e2231d7e7886fddc25;p=xogo.git

diff --git a/variants/Chakart/Chakart.js b/variants/Chakart/Chakart.js
deleted file mode 100644
index 9659ef3..0000000
--- a/variants/Chakart/Chakart.js
+++ /dev/null
@@ -1,1338 +0,0 @@
-import { ChessRules, Move, PiPo } from "@/base_rules";
-import { SuicideRules } from "@/variants/Suicide";
-import { ArrayFun } from "@/utils/array";
-import { randInt } from "@/utils/alea";
-
-export class ChakartRules extends ChessRules {
-
-  static get Options() {
-    return {
-      select: [
-        {
-          label: "Randomness",
-          variable: "randomness",
-          defaut: 2,
-          options: [
-            { label: "Deterministic", value: 0 },
-            { label: "Symmetric random", value: 1 },
-            { label: "Asymmetric random", value: 2 }
-          ]
-        }
-      ]
-    };
-  }
-
-  static get PawnSpecs() {
-    return SuicideRules.PawnSpecs;
-  }
-
-  static get HasCastle() {
-    return false;
-  }
-
-  static get HasEnpassant() {
-    return false;
-  }
-
-  static get CorrConfirm() {
-    // Because of bonus effects
-    return false;
-  }
-
-  static get CanAnalyze() {
-    return false;
-  }
-
-  static get SomeHiddenMoves() {
-    return true;
-  }
-
-  static get IMMOBILIZE_CODE() {
-    return {
-      'p': 's',
-      'r': 'u',
-      'n': 'o',
-      'b': 'c',
-      'q': 't',
-      'k': 'l'
-    };
-  }
-
-  static get IMMOBILIZE_DECODE() {
-    return {
-      's': 'p',
-      'u': 'r',
-      'o': 'n',
-      'c': 'b',
-      't': 'q',
-      'l': 'k'
-    };
-  }
-
-  static get INVISIBLE_QUEEN() {
-    return 'i';
-  }
-
-  // Fictive color 'a', bomb banana mushroom egg
-  static get BOMB() {
-    return 'w'; //"Wario"
-  }
-  static get BANANA() {
-    return 'd'; //"Donkey"
-  }
-  static get EGG() {
-    return 'e';
-  }
-  static get MUSHROOM() {
-    return 'm';
-  }
-
-  static fen2board(f) {
-    return (
-      f.charCodeAt() <= 90
-        ? "w" + f.toLowerCase()
-        : (['w', 'd', 'e', 'm'].includes(f) ? "a" : "b") + f
-    );
-  }
-
-  static get PIECES() {
-    return (
-      ChessRules.PIECES.concat(
-      Object.keys(V.IMMOBILIZE_DECODE)).concat(
-      [V.BANANA, V.BOMB, V.EGG, V.MUSHROOM, V.INVISIBLE_QUEEN])
-    );
-  }
-
-  getPpath(b) {
-    let prefix = "";
-    if (
-      b[0] == 'a' ||
-      b[1] == V.INVISIBLE_QUEEN ||
-      Object.keys(V.IMMOBILIZE_DECODE).includes(b[1])
-    ) {
-      prefix = "Chakart/";
-    }
-    return prefix + b;
-  }
-
-  getPPpath(m) {
-    if (!!m.promoteInto) return m.promoteInto;
-    if (m.appear.length == 0 && m.vanish.length == 1)
-      // King 'remote shell capture', on an adjacent square:
-      return this.getPpath(m.vanish[0].c + m.vanish[0].p);
-    let piece = m.appear[0].p;
-    if (Object.keys(V.IMMOBILIZE_DECODE).includes(piece))
-      // Promotion by capture into immobilized piece: do not reveal!
-      piece = V.IMMOBILIZE_DECODE[piece];
-    return this.getPpath(m.appear[0].c + piece);
-  }
-
-  static ParseFen(fen) {
-    const fenParts = fen.split(" ");
-    return Object.assign(
-      ChessRules.ParseFen(fen),
-      { captured: fenParts[4] }
-    );
-  }
-
-  static IsGoodFen(fen) {
-    if (!ChessRules.IsGoodFen(fen)) return false;
-    const captured = V.ParseFen(fen).captured;
-    if (!captured || !captured.match(/^[0-9]{12,12}$/)) return false;
-    return true;
-  }
-
-  // King can be l or L (immobilized) --> similar to Alice variant
-  static IsGoodPosition(position) {
-    if (position.length == 0) return false;
-    const rows = position.split("/");
-    if (rows.length != V.size.x) return false;
-    let kings = { "k": 0, "K": 0, 'l': 0, 'L': 0 };
-    for (let row of rows) {
-      let sumElts = 0;
-      for (let i = 0; i < row.length; i++) {
-        if (['K', 'k', 'L', 'l'].includes(row[i])) kings[row[i]]++;
-        if (V.PIECES.includes(row[i].toLowerCase())) sumElts++;
-        else {
-          const num = parseInt(row[i], 10);
-          if (isNaN(num)) return false;
-          sumElts += num;
-        }
-      }
-      if (sumElts != V.size.y) return false;
-    }
-    if (kings['k'] + kings['l'] == 0 || kings['K'] + kings['L'] == 0)
-      return false;
-    return true;
-  }
-
-  static IsGoodFlags(flags) {
-    // 4 for Peach + Mario w, b
-    return !!flags.match(/^[01]{4,4}$/);
-  }
-
-  setFlags(fenflags) {
-    // King can send shell? Queen can be invisible?
-    this.powerFlags = {
-      w: { 'k': false, 'q': false },
-      b: { 'k': false, 'q': false }
-    };
-    for (let c of ["w", "b"]) {
-      for (let p of ['k', 'q']) {
-        this.powerFlags[c][p] =
-          fenflags.charAt((c == "w" ? 0 : 2) + (p == 'k' ? 0 : 1)) == "1";
-      }
-    }
-  }
-
-  aggregateFlags() {
-    return this.powerFlags;
-  }
-
-  disaggregateFlags(flags) {
-    this.powerFlags = flags;
-  }
-
-  getFen() {
-    return super.getFen() + " " + this.getCapturedFen();
-  }
-
-  getFenForRepeat() {
-    return super.getFenForRepeat() + "_" + this.getCapturedFen();
-  }
-
-  getCapturedFen() {
-    let counts = [...Array(12).fill(0)];
-    let i = 0;
-    for (let p of V.RESERVE_PIECES) {
-      counts[i] = this.captured["w"][p];
-      counts[6 + i] = this.captured["b"][p];
-      i++;
-    }
-    return counts.join("");
-  }
-
-  scanKings() {}
-
-  setOtherVariables(fen) {
-    super.setOtherVariables(fen);
-    // Initialize captured pieces' counts from FEN
-    const captured =
-      V.ParseFen(fen).captured.split("").map(x => parseInt(x, 10));
-    this.captured = {
-      w: {
-        [V.PAWN]: captured[0],
-        [V.ROOK]: captured[1],
-        [V.KNIGHT]: captured[2],
-        [V.BISHOP]: captured[3],
-        [V.QUEEN]: captured[4],
-        [V.KING]: captured[5]
-      },
-      b: {
-        [V.PAWN]: captured[6],
-        [V.ROOK]: captured[7],
-        [V.KNIGHT]: captured[8],
-        [V.BISHOP]: captured[9],
-        [V.QUEEN]: captured[10],
-        [V.KING]: captured[11]
-      }
-    };
-    this.effects = [];
-    this.subTurn = 1;
-  }
-
-  getFlagsFen() {
-    let fen = "";
-    // Add power flags
-    for (let c of ["w", "b"])
-      for (let p of ['k', 'q']) fen += (this.powerFlags[c][p] ? "1" : "0");
-    return fen;
-  }
-
-  getColor(i, j) {
-    if (i >= V.size.x) return i == V.size.x ? "w" : "b";
-    return this.board[i][j].charAt(0);
-  }
-
-  getPiece(i, j) {
-    if (i >= V.size.x) return V.RESERVE_PIECES[j];
-    return this.board[i][j].charAt(1);
-  }
-
-  getReservePpath(index, color) {
-    return color + V.RESERVE_PIECES[index];
-  }
-
-  static get RESERVE_PIECES() {
-    return [V.PAWN, V.ROOK, V.KNIGHT, V.BISHOP, V.QUEEN, V.KING];
-  }
-
-  getReserveMoves([x, y]) {
-    const color = this.turn;
-    const p = V.RESERVE_PIECES[y];
-    if (this.reserve[color][p] == 0) return [];
-    let moves = [];
-    const start = (color == 'w' && p == V.PAWN ? 1 : 0);
-    const end = (color == 'b' && p == V.PAWN ? 7 : 8);
-    for (let i = start; i < end; i++) {
-      for (let j = 0; j < V.size.y; j++) {
-        if (
-          this.board[i][j] == V.EMPTY ||
-          this.getColor(i, j) == 'a' ||
-          this.getPiece(i, j) == V.INVISIBLE_QUEEN
-        ) {
-          let m = this.getBasicMove({ p: p, x: i, y: j});
-          m.start = { x: x, y: y };
-          moves.push(m);
-        }
-      }
-    }
-    return moves;
-  }
-
-  getPotentialMovesFrom([x, y]) {
-    let moves = [];
-    if (this.subTurn == 1) {
-      moves = super.getPotentialMovesFrom([x, y]);
-      const finalPieces = V.PawnSpecs.promotions;
-      const color = this.turn;
-      const lastRank = (color == "w" ? 0 : 7);
-      let pMoves = [];
-      moves.forEach(m => {
-        if (
-          m.appear.length > 0 &&
-          ['p', 's'].includes(m.appear[0].p) &&
-          m.appear[0].x == lastRank
-        ) {
-          for (let i = 1; i < finalPieces.length; i++) {
-            const piece = finalPieces[i];
-            let otherM = JSON.parse(JSON.stringify(m));
-            otherM.appear[0].p =
-              m.appear[0].p == V.PAWN
-                ? finalPieces[i]
-                : V.IMMOBILIZE_CODE[finalPieces[i]];
-            pMoves.push(otherM);
-          }
-          // Finally alter m itself:
-          m.appear[0].p =
-            m.appear[0].p == V.PAWN
-              ? finalPieces[0]
-              : V.IMMOBILIZE_CODE[finalPieces[0]];
-        }
-      });
-      Array.prototype.push.apply(moves, pMoves);
-    }
-    else {
-      // Subturn == 2
-      const L = this.effects.length;
-      switch (this.effects[L-1]) {
-        case "kingboo":
-          // Exchange position with any visible piece,
-          // except pawns if arriving on last rank.
-          const lastRank = { 'w': 0, 'b': 7 };
-          const color = this.turn;
-          const allowLastRank = (this.getPiece(x, y) != V.PAWN);
-          for (let i=0; i<8; i++) {
-            for (let j=0; j<8; j++) {
-              const colIJ = this.getColor(i, j);
-              const pieceIJ = this.getPiece(i, j);
-              if (
-                (i != x || j != y) &&
-                this.board[i][j] != V.EMPTY &&
-                pieceIJ != V.INVISIBLE_QUEEN &&
-                colIJ != 'a'
-              ) {
-                if (
-                  (pieceIJ != V.PAWN || x != lastRank[colIJ]) &&
-                  (allowLastRank || i != lastRank[color])
-                ) {
-                  const movedUnit = new PiPo({
-                    x: x,
-                    y: y,
-                    c: colIJ,
-                    p: this.getPiece(i, j)
-                  });
-                  let mMove = this.getBasicMove({ x: x, y: y }, [i, j]);
-                  mMove.appear.push(movedUnit);
-                  moves.push(mMove);
-                }
-              }
-            }
-          }
-          break;
-        case "toadette":
-          // Resurrect a captured piece
-          if (x >= V.size.x) moves = this.getReserveMoves([x, y]);
-          break;
-        case "daisy":
-          // Play again with any piece
-          moves = super.getPotentialMovesFrom([x, y]);
-          break;
-      }
-    }
-    return moves;
-  }
-
-  // Helper for getBasicMove(): banana/bomb effect
-  getRandomSquare([x, y], steps) {
-    const validSteps = steps.filter(s => V.OnBoard(x + s[0], y + s[1]));
-    const step = validSteps[randInt(validSteps.length)];
-    return [x + step[0], y + step[1]];
-  }
-
-  // Apply mushroom, bomb or banana effect (hidden to the player).
-  // Determine egg effect, too, and apply its first part if possible.
-  getBasicMove_aux(psq1, sq2, tr, initMove) {
-    const [x1, y1] = [psq1.x, psq1.y];
-    const color1 = this.turn;
-    const piece1 = (!!tr ? tr.p : (psq1.p || this.getPiece(x1, y1)));
-    const oppCol = V.GetOppCol(color1);
-    if (!sq2) {
-      let move = {
-        appear: [],
-        vanish: []
-      };
-      // banana or bomb defines next square, or the move ends there
-      move.appear = [
-        new PiPo({
-          x: x1,
-          y: y1,
-          c: color1,
-          p: piece1
-        })
-      ];
-      if (this.board[x1][y1] != V.EMPTY) {
-        const initP1 = this.getPiece(x1, y1);
-        move.vanish = [
-          new PiPo({
-            x: x1,
-            y: y1,
-            c: this.getColor(x1, y1),
-            p: initP1
-          })
-        ];
-        if ([V.BANANA, V.BOMB].includes(initP1)) {
-          const steps = V.steps[initP1 == V.BANANA ? V.ROOK : V.BISHOP];
-          move.next = this.getRandomSquare([x1, y1], steps);
-        }
-      }
-      move.end = { x: x1, y: y1 };
-      return move;
-    }
-    const [x2, y2] = [sq2[0], sq2[1]];
-    // The move starts normally, on board:
-    let move = super.getBasicMove([x1, y1], [x2, y2], tr);
-    if (!!tr) move.promoteInto = tr.c + tr.p; //in case of (chomped...)
-    const L = this.effects.length;
-    if (
-      [V.PAWN, V.KNIGHT].includes(piece1) &&
-      !!initMove &&
-      (this.subTurn == 1 || this.effects[L-1] == "daisy")
-    ) {
-      switch (piece1) {
-        case V.PAWN: {
-          const twoSquaresMove = (Math.abs(x2 - x1) == 2);
-          const mushroomX = x1 + (twoSquaresMove ? (x2 - x1) / 2 : 0);
-          move.appear.push(
-            new PiPo({
-              x: mushroomX,
-              y: y1,
-              c: 'a',
-              p: V.MUSHROOM
-            })
-          );
-          if (this.getColor(mushroomX, y1) == 'a') {
-            move.vanish.push(
-              new PiPo({
-                x: mushroomX,
-                y: y1,
-                c: 'a',
-                p: this.getPiece(mushroomX, y1)
-              })
-            );
-          }
-          break;
-        }
-        case V.KNIGHT: {
-          const deltaX = Math.abs(x2 - x1);
-          const deltaY = Math.abs(y2 - y1);
-          let eggSquare = [
-            x1 + (deltaX == 2 ? (x2 - x1) / 2 : 0),
-            y1 + (deltaY == 2 ? (y2 - y1) / 2 : 0)
-          ];
-          if (
-            this.board[eggSquare[0]][eggSquare[1]] != V.EMPTY &&
-            this.getColor(eggSquare[0], eggSquare[1]) != 'a'
-          ) {
-            eggSquare[0] = x1;
-            eggSquare[1] = y1;
-          }
-          move.appear.push(
-            new PiPo({
-              x: eggSquare[0],
-              y: eggSquare[1],
-              c: 'a',
-              p: V.EGG
-            })
-          );
-          if (this.getColor(eggSquare[0], eggSquare[1]) == 'a') {
-            move.vanish.push(
-              new PiPo({
-                x: eggSquare[0],
-                y: eggSquare[1],
-                c: 'a',
-                p: this.getPiece(eggSquare[0], eggSquare[1])
-              })
-            );
-          }
-          break;
-        }
-      }
-    }
-    // For (wa)luigi effect:
-    const changePieceColor = (color) => {
-      let pieces = [];
-      const oppLastRank = (color == 'w' ? 7 : 0);
-      for (let i=0; i<8; i++) {
-        for (let j=0; j<8; j++) {
-          const piece = this.getPiece(i, j);
-          if (
-            (i != move.vanish[0].x || j != move.vanish[0].y) &&
-            this.board[i][j] != V.EMPTY &&
-            piece != V.INVISIBLE_QUEEN &&
-            this.getColor(i, j) == color
-          ) {
-            if (piece != V.KING && (piece != V.PAWN || i != oppLastRank))
-              pieces.push({ x: i, y: j, p: piece });
-          }
-        }
-      }
-      // Special case of the current piece (still at its initial position)
-      if (color == color1)
-        pieces.push({ x: move.appear[0].x, y: move.appear[0].y, p: piece1 });
-      const cp = pieces[randInt(pieces.length)];
-      if (move.appear[0].x != cp.x || move.appear[0].y != cp.y) {
-        move.vanish.push(
-          new PiPo({
-            x: cp.x,
-            y: cp.y,
-            c: color,
-            p: cp.p
-          })
-        );
-      }
-      else move.appear.shift();
-      move.appear.push(
-        new PiPo({
-          x: cp.x,
-          y: cp.y,
-          c: V.GetOppCol(color),
-          p: cp.p
-        })
-      );
-    };
-    const applyEggEffect = () => {
-      if (this.subTurn == 2)
-        // No egg effects at subTurn 2
-        return;
-      // 1) Determine the effect (some may be impossible)
-      let effects = ["kingboo", "koopa", "chomp", "bowser", "daisy"];
-      if (Object.values(this.captured[color1]).some(c => c >= 1))
-        effects.push("toadette");
-      const lastRank = { 'w': 0, 'b': 7 };
-      if (
-        this.board.some((b,i) =>
-          b.some(cell => {
-            return (
-              cell[0] == oppCol &&
-              cell[1] != V.KING &&
-              (cell[1] != V.PAWN || i != lastRank[color1])
-            );
-          })
-        )
-      ) {
-        effects.push("luigi");
-      }
-      if (
-        (
-          piece1 != V.KING &&
-          (piece1 != V.PAWN || move.appear[0].x != lastRank[oppCol])
-        ) ||
-        this.board.some((b,i) =>
-          b.some(cell => {
-            return (
-              cell[0] == color1 &&
-              cell[1] != V.KING &&
-              (cell[1] != V.PAWN || i != lastRank[oppCol])
-            );
-          })
-        )
-      ) {
-        effects.push("waluigi");
-      }
-      const effect = effects[randInt(effects.length)];
-      move.end.effect = effect;
-      // 2) Apply it if possible
-      if (!(["kingboo", "toadette", "daisy"].includes(effect))) {
-        switch (effect) {
-          case "koopa":
-            move.appear = [];
-            // Maybe egg effect was applied after others,
-            // so just shift vanish array:
-            move.vanish.shift();
-            break;
-          case "chomp":
-            move.appear = [];
-            break;
-          case "bowser":
-            move.appear[0].p = V.IMMOBILIZE_CODE[piece1];
-            break;
-          case "luigi":
-            changePieceColor(oppCol);
-            break;
-          case "waluigi":
-            changePieceColor(color1);
-            break;
-        }
-      }
-    };
-    const applyMushroomEffect = () => {
-      if ([V.PAWN, V.KING, V.KNIGHT].includes(piece1)) {
-        // Just make another similar step, if possible (non-capturing)
-        const [i, j] = [
-          move.appear[0].x + (x2 - x1),
-          move.appear[0].y + (y2 - y1)
-        ];
-        if (
-          V.OnBoard(i, j) &&
-          (
-            this.board[i][j] == V.EMPTY ||
-            this.getPiece(i, j) == V.INVISIBLE_QUEEN ||
-            this.getColor(i, j) == 'a'
-          )
-        ) {
-          move.appear[0].x = i;
-          move.appear[0].y = j;
-          if (this.board[i][j] != V.EMPTY) {
-            const object = this.getPiece(i, j);
-            const color = this.getColor(i, j);
-            move.vanish.push(
-              new PiPo({
-                x: i,
-                y: j,
-                c: color,
-                p: object
-              })
-            );
-            switch (object) {
-              case V.BANANA:
-              case V.BOMB:
-                const steps = V.steps[object == V.BANANA ? V.ROOK : V.BISHOP];
-                move.next = this.getRandomSquare([i, j], steps);
-                break;
-              case V.EGG:
-                applyEggEffect();
-                break;
-              case V.MUSHROOM:
-                applyMushroomEffect();
-                break;
-            }
-          }
-        }
-      }
-      else {
-        // Queen, bishop or rook:
-        const step = [
-          (x2 - x1) / Math.abs(x2 - x1) || 0,
-          (y2 - y1) / Math.abs(y2 - y1) || 0
-        ];
-        const next = [move.appear[0].x + step[0], move.appear[0].y + step[1]];
-        if (
-          V.OnBoard(next[0], next[1]) &&
-          this.board[next[0]][next[1]] != V.EMPTY &&
-          this.getPiece(next[0], next[1]) != V.INVISIBLE_QUEEN &&
-          this.getColor(next[0], next[1]) != 'a'
-        ) {
-          const afterNext = [next[0] + step[0], next[1] + step[1]];
-          if (V.OnBoard(afterNext[0], afterNext[1])) {
-            const afterColor = this.getColor(afterNext[0], afterNext[1]);
-            if (
-              this.board[afterNext[0]][afterNext[1]] == V.EMPTY ||
-              afterColor == 'a'
-            ) {
-              move.appear[0].x = afterNext[0];
-              move.appear[0].y = afterNext[1];
-              if (this.board[afterNext[0]][afterNext[1]] != V.EMPTY) {
-                // object = banana, bomb, mushroom or egg
-                const object = this.getPiece(afterNext[0], afterNext[1]);
-                move.vanish.push(
-                  new PiPo({
-                    x: afterNext[0],
-                    y: afterNext[1],
-                    c: afterColor,
-                    p: object
-                  })
-                );
-                switch (object) {
-                  case V.BANANA:
-                  case V.BOMB:
-                    const steps =
-                      V.steps[object == V.BANANA ? V.ROOK : V.BISHOP];
-                    move.next = this.getRandomSquare(
-                      [afterNext[0], afterNext[1]], steps);
-                    break;
-                  case V.EGG:
-                    applyEggEffect();
-                    break;
-                  case V.MUSHROOM:
-                    applyMushroomEffect();
-                    break;
-                }
-              }
-            }
-          }
-        }
-      }
-    };
-    const color2 = this.getColor(x2, y2);
-    const piece2 = this.getPiece(x2, y2);
-    if (color2 == 'a') {
-      switch (piece2) {
-        case V.BANANA:
-        case V.BOMB:
-          const steps = V.steps[piece2 == V.BANANA ? V.ROOK : V.BISHOP];
-          move.next = this.getRandomSquare([x2, y2], steps);
-          break;
-        case V.MUSHROOM:
-          applyMushroomEffect();
-          break;
-        case V.EGG:
-          if (this.subTurn == 1)
-            // No egg effect at subTurn 2
-            applyEggEffect();
-          break;
-      }
-    }
-    if (
-      this.subTurn == 1 &&
-      !move.next &&
-      move.appear.length > 0 &&
-      [V.ROOK, V.BISHOP].includes(piece1)
-    ) {
-      const finalSquare = [move.appear[0].x, move.appear[0].y];
-      if (
-        color2 != 'a' ||
-        this.getColor(finalSquare[0], finalSquare[1]) != 'a' ||
-        this.getPiece(finalSquare[0], finalSquare[1]) != V.EGG
-      ) {
-        const validSteps =
-          V.steps[piece1 == V.ROOK ? V.BISHOP : V.ROOK].filter(s => {
-            const [i, j] = [finalSquare[0] + s[0], finalSquare[1] + s[1]];
-            return (
-              V.OnBoard(i, j) &&
-              // NOTE: do not place a bomb or banana on the invisible queen!
-              (this.board[i][j] == V.EMPTY || this.getColor(i, j) == 'a')
-            );
-          });
-        if (validSteps.length >= 1) {
-          const randIdx = randInt(validSteps.length);
-          const [x, y] = [
-            finalSquare[0] + validSteps[randIdx][0],
-            finalSquare[1] + validSteps[randIdx][1]
-          ];
-          move.appear.push(
-            new PiPo({
-              x: x,
-              y: y,
-              c: 'a',
-              p: (piece1 == V.ROOK ? V.BANANA : V.BOMB)
-            })
-          );
-          if (this.board[x][y] != V.EMPTY) {
-            move.vanish.push(
-              new PiPo({ x: x, y: y, c: 'a', p: this.getPiece(x, y) }));
-          }
-        }
-      }
-    }
-    return move;
-  }
-
-  getBasicMove(psq1, sq2, tr) {
-    let moves = [];
-    if (Array.isArray(psq1)) psq1 = { x: psq1[0], y: psq1[1] };
-    let m = this.getBasicMove_aux(psq1, sq2, tr, "initMove");
-    while (!!m.next) {
-      // Last move ended on bomb or banana, direction change
-      V.PlayOnBoard(this.board, m);
-      moves.push(m);
-      m = this.getBasicMove_aux(
-        { x: m.appear[0].x, y: m.appear[0].y }, m.next);
-    }
-    for (let i=moves.length-1; i>=0; i--) V.UndoOnBoard(this.board, moves[i]);
-    moves.push(m);
-    // Now merge moves into one
-    let move = {};
-    // start is wrong for Toadette moves --> it's fixed later
-    move.start = { x: psq1.x, y: psq1.y };
-    move.end = !!sq2 ? { x: sq2[0], y: sq2[1] } : { x: psq1.x, y: psq1.y };
-    if (!!tr) move.promoteInto = moves[0].promoteInto;
-    let lm = moves[moves.length-1];
-    if (this.subTurn == 1 && !!lm.end.effect)
-      move.end.effect = lm.end.effect;
-    if (moves.length == 1) {
-      move.appear = moves[0].appear;
-      move.vanish = moves[0].vanish;
-    }
-    else {
-      // Keep first vanish and last appear (if any)
-      move.appear = lm.appear;
-      move.vanish = moves[0].vanish;
-      if (
-        move.vanish.length >= 1 &&
-        move.appear.length >= 1 &&
-        move.vanish[0].x == move.appear[0].x &&
-        move.vanish[0].y == move.appear[0].y
-      ) {
-        // Loopback on initial square:
-        move.vanish.shift();
-        move.appear.shift();
-      }
-      for (let i=1; i < moves.length - 1; i++) {
-        for (let v of moves[i].vanish) {
-          // Only vanishing objects, not appearing at init move
-          if (
-            v.c == 'a' &&
-            (
-              moves[0].appear.length == 1 ||
-              moves[0].appear[1].x != v.x ||
-              moves[0].appear[1].y != v.y
-            )
-          ) {
-            move.vanish.push(v);
-          }
-        }
-      }
-      // Final vanish is our piece, but others might be relevant
-      // (for some egg bonuses at least).
-      for (let i=1; i < lm.vanish.length; i++) {
-        if (
-          lm.vanish[i].c != 'a' ||
-          moves[0].appear.length == 1 ||
-          moves[0].appear[1].x != lm.vanish[i].x ||
-          moves[0].appear[1].y != lm.vanish[i].y
-        ) {
-          move.vanish.push(lm.vanish[i]);
-        }
-      }
-    }
-    return move;
-  }
-
-  getPotentialPawnMoves([x, y]) {
-    const color = this.turn;
-    const oppCol = V.GetOppCol(color);
-    const [sizeX, sizeY] = [V.size.x, V.size.y];
-    const shiftX = V.PawnSpecs.directions[color];
-    const firstRank = (color == "w" ? sizeX - 1 : 0);
-    let moves = [];
-    if (
-      this.board[x + shiftX][y] == V.EMPTY ||
-      this.getColor(x + shiftX, y) == 'a' ||
-      this.getPiece(x + shiftX, y) == V.INVISIBLE_QUEEN
-    ) {
-      this.addPawnMoves([x, y], [x + shiftX, y], moves);
-      if (
-        [firstRank, firstRank + shiftX].includes(x) &&
-        (
-          this.board[x + 2 * shiftX][y] == V.EMPTY ||
-          this.getColor(x + 2 * shiftX, y) == 'a' ||
-          this.getPiece(x + 2 * shiftX, y) == V.INVISIBLE_QUEEN
-        )
-      ) {
-        moves.push(this.getBasicMove({ x: x, y: y }, [x + 2 * shiftX, y]));
-      }
-    }
-    for (let shiftY of [-1, 1]) {
-      if (
-        y + shiftY >= 0 &&
-        y + shiftY < sizeY &&
-        this.board[x + shiftX][y + shiftY] != V.EMPTY &&
-        // Pawns cannot capture invisible queen this way!
-        this.getPiece(x + shiftX, y + shiftY) != V.INVISIBLE_QUEEN &&
-        ['a', oppCol].includes(this.getColor(x + shiftX, y + shiftY))
-      ) {
-        this.addPawnMoves([x, y], [x + shiftX, y + shiftY], moves);
-      }
-    }
-    return moves;
-  }
-
-  getPotentialQueenMoves(sq) {
-    const normalMoves = super.getPotentialQueenMoves(sq);
-    // If flag allows it, add 'invisible movements'
-    let invisibleMoves = [];
-    if (this.powerFlags[this.turn][V.QUEEN]) {
-      normalMoves.forEach(m => {
-        if (
-          m.appear.length == 1 &&
-          m.vanish.length == 1 &&
-          // Only simple non-capturing moves:
-          m.vanish[0].c != 'a'
-        ) {
-          let im = JSON.parse(JSON.stringify(m));
-          im.appear[0].p = V.INVISIBLE_QUEEN;
-          im.end.noHighlight = true;
-          invisibleMoves.push(im);
-        }
-      });
-    }
-    return normalMoves.concat(invisibleMoves);
-  }
-
-  getPotentialKingMoves([x, y]) {
-    let moves = super.getPotentialKingMoves([x, y]);
-    const color = this.turn;
-    // If flag allows it, add 'remote shell captures'
-    if (this.powerFlags[this.turn][V.KING]) {
-      V.steps[V.ROOK].concat(V.steps[V.BISHOP]).forEach(step => {
-        let [i, j] = [x + step[0], y + step[1]];
-        while (
-          V.OnBoard(i, j) &&
-          (
-            this.board[i][j] == V.EMPTY ||
-            this.getPiece(i, j) == V.INVISIBLE_QUEEN ||
-            (
-              this.getColor(i, j) == 'a' &&
-              [V.EGG, V.MUSHROOM].includes(this.getPiece(i, j))
-            )
-          )
-        ) {
-          i += step[0];
-          j += step[1];
-        }
-        if (V.OnBoard(i, j)) {
-          const colIJ = this.getColor(i, j);
-          if (colIJ != color) {
-            // May just destroy a bomb or banana:
-            moves.push(
-              new Move({
-                start: { x: x, y: y},
-                end: { x: i, y: j },
-                appear: [],
-                vanish: [
-                  new PiPo({
-                    x: i, y: j, c: colIJ, p: this.getPiece(i, j)
-                  })
-                ]
-              })
-            );
-          }
-        }
-      });
-    }
-    return moves;
-  }
-
-  getSlideNJumpMoves([x, y], steps, oneStep) {
-    let moves = [];
-    outerLoop: for (let step of steps) {
-      let i = x + step[0];
-      let j = y + step[1];
-      while (
-        V.OnBoard(i, j) &&
-        (
-          this.board[i][j] == V.EMPTY ||
-          this.getPiece(i, j) == V.INVISIBLE_QUEEN ||
-          (
-            this.getColor(i, j) == 'a' &&
-            [V.EGG, V.MUSHROOM].includes(this.getPiece(i, j))
-          )
-        )
-      ) {
-        moves.push(this.getBasicMove({ x: x, y: y }, [i, j]));
-        if (oneStep) continue outerLoop;
-        i += step[0];
-        j += step[1];
-      }
-      if (V.OnBoard(i, j) && this.canTake([x, y], [i, j]))
-        moves.push(this.getBasicMove({ x: x, y: y }, [i, j]));
-    }
-    return moves;
-  }
-
-  getAllPotentialMoves() {
-    if (this.subTurn == 1) return super.getAllPotentialMoves();
-    let moves = [];
-    const color = this.turn;
-    const L = this.effects.length;
-    switch (this.effects[L-1]) {
-      case "kingboo": {
-        let allPieces = [];
-        for (let i=0; i<8; i++) {
-          for (let j=0; j<8; j++) {
-            const colIJ = this.getColor(i, j);
-            const pieceIJ = this.getPiece(i, j);
-            if (
-              i != x && j != y &&
-              this.board[i][j] != V.EMPTY &&
-              colIJ != 'a' &&
-              pieceIJ != V.INVISIBLE_QUEEN
-            ) {
-              allPieces.push({ x: i, y: j, c: colIJ, p: pieceIJ });
-            }
-          }
-        }
-        for (let x=0; x<8; x++) {
-          for (let y=0; y<8; y++) {
-            if (this.getColor(i, j) == color) {
-              // Add exchange with something
-              allPieces.forEach(pp => {
-                if (pp.x != i || pp.y != j) {
-                  const movedUnit = new PiPo({
-                    x: x,
-                    y: y,
-                    c: pp.c,
-                    p: pp.p
-                  });
-                  let mMove = this.getBasicMove({ x: x, y: y }, [pp.x, pp.y]);
-                  mMove.appear.push(movedUnit);
-                  moves.push(mMove);
-                }
-              });
-            }
-          }
-        }
-        break;
-      }
-      case "toadette": {
-        const x = V.size.x + (this.turn == 'w' ? 0 : 1);
-        for (let y = 0; y < 8; y++)
-          Array.prototype.push.apply(moves, this.getReserveMoves([x, y]));
-        break;
-      }
-      case "daisy":
-        moves = super.getAllPotentialMoves();
-        break;
-    }
-    return moves;
-  }
-
-  play(move) {
-//    if (!this.states) this.states = [];
-//    const stateFen = this.getFen();
-//    this.states.push(stateFen);
-
-    move.flags = JSON.stringify(this.aggregateFlags());
-    V.PlayOnBoard(this.board, move);
-    move.turn = [this.turn, this.subTurn];
-    if (["kingboo", "toadette", "daisy"].includes(move.end.effect)) {
-      this.effects.push(move.end.effect);
-      this.subTurn = 2;
-    }
-    else {
-      this.turn = V.GetOppCol(this.turn);
-      this.movesCount++;
-      this.subTurn = 1;
-    }
-    this.postPlay(move);
-  }
-
-  postPlay(move) {
-    if (move.end.effect == "toadette") this.reserve = this.captured;
-    else this.reserve = undefined;
-    const color = move.turn[0];
-    if (
-      move.vanish.length == 2 &&
-      move.vanish[1].c != 'a' &&
-      move.appear.length == 1 //avoid king Boo!
-    ) {
-      // Capture: update this.captured
-      let capturedPiece = move.vanish[1].p;
-      if (capturedPiece == V.INVISIBLE_QUEEN) capturedPiece = V.QUEEN;
-      else if (Object.keys(V.IMMOBILIZE_DECODE).includes(capturedPiece))
-        capturedPiece = V.IMMOBILIZE_DECODE[capturedPiece];
-      this.captured[move.vanish[1].c][capturedPiece]++;
-    }
-    else if (move.vanish.length == 0) {
-      if (move.appear.length == 0 || move.appear[0].c == 'a') return;
-      // A piece is back on board
-      this.captured[move.appear[0].c][move.appear[0].p]--;
-    }
-    if (move.appear.length == 0) {
-      // Three cases: king "shell capture", Chomp or Koopa
-      if (this.getPiece(move.start.x, move.start.y) == V.KING)
-        // King remote capture:
-        this.powerFlags[color][V.KING] = false;
-      else if (move.end.effect == "chomp")
-        this.captured[color][move.vanish[0].p]++;
-    }
-    else if (move.appear[0].p == V.INVISIBLE_QUEEN)
-      this.powerFlags[move.appear[0].c][V.QUEEN] = false;
-    if (this.subTurn == 2) return;
-    if (
-      move.turn[1] == 1 &&
-      move.appear.length == 0 ||
-      !(Object.keys(V.IMMOBILIZE_DECODE).includes(move.appear[0].p))
-    ) {
-      // Look for an immobilized piece of my color: it can now move
-      for (let i=0; i<8; i++) {
-        for (let j=0; j<8; j++) {
-          if (this.board[i][j] != V.EMPTY) {
-            const piece = this.getPiece(i, j);
-            if (
-              this.getColor(i, j) == color &&
-              Object.keys(V.IMMOBILIZE_DECODE).includes(piece)
-            ) {
-              this.board[i][j] = color + V.IMMOBILIZE_DECODE[piece];
-              move.wasImmobilized = [i, j];
-            }
-          }
-        }
-      }
-    }
-    // Also make opponent invisible queen visible again, if any
-    const oppCol = V.GetOppCol(color);
-    for (let i=0; i<8; i++) {
-      for (let j=0; j<8; j++) {
-        if (
-          this.board[i][j] != V.EMPTY &&
-          this.getColor(i, j) == oppCol &&
-          this.getPiece(i, j) == V.INVISIBLE_QUEEN
-        ) {
-          this.board[i][j] = oppCol + V.QUEEN;
-          move.wasInvisible = [i, j];
-        }
-      }
-    }
-  }
-
-  undo(move) {
-    this.disaggregateFlags(JSON.parse(move.flags));
-    V.UndoOnBoard(this.board, move);
-    if (["kingboo", "toadette", "daisy"].includes(move.end.effect))
-      this.effects.pop();
-    else this.movesCount--;
-    this.turn = move.turn[0];
-    this.subTurn = move.turn[1];
-    this.postUndo(move);
-
-//    const stateFen = this.getFen();
-//    if (stateFen != this.states[this.states.length-1]) debugger;
-//    this.states.pop();
-  }
-
-  postUndo(move) {
-    if (!!move.wasImmobilized) {
-      const [i, j] = move.wasImmobilized;
-      this.board[i][j] =
-        this.getColor(i, j) + V.IMMOBILIZE_CODE[this.getPiece(i, j)];
-    }
-    if (!!move.wasInvisible) {
-      const [i, j] = move.wasInvisible;
-      this.board[i][j] = this.getColor(i, j) + V.INVISIBLE_QUEEN;
-    }
-    if (move.vanish.length == 2 && move.vanish[1].c != 'a') {
-      let capturedPiece = move.vanish[1].p;
-      if (capturedPiece == V.INVISIBLE_QUEEN) capturedPiece = V.QUEEN;
-      else if (Object.keys(V.IMMOBILIZE_DECODE).includes(capturedPiece))
-        capturedPiece = V.IMMOBILIZE_DECODE[capturedPiece];
-      this.captured[move.vanish[1].c][capturedPiece]--;
-    }
-    else if (move.vanish.length == 0) {
-      if (move.appear.length == 0 || move.appear[0].c == 'a') return;
-      // A piece was back on board
-      this.captured[move.appear[0].c][move.appear[0].p]++;
-    }
-    else if (move.appear.length == 0 && move.end.effect == "chomp")
-      this.captured[move.vanish[0].c][move.vanish[0].p]--;
-    if (move.vanish.length == 0) this.reserve = this.captured;
-    else this.reserve = undefined;
-  }
-
-  getCheckSquares() {
-    return [];
-  }
-
-  getCurrentScore() {
-    // Find kings (not tracked in this variant)
-    let kingThere = { w: false, b: false };
-    for (let i=0; i<8; i++) {
-      for (let j=0; j<8; j++) {
-        if (
-          this.board[i][j] != V.EMPTY &&
-          ['k', 'l'].includes(this.getPiece(i, j))
-        ) {
-          kingThere[this.getColor(i, j)] = true;
-        }
-      }
-    }
-    if (!kingThere['w']) return "0-1";
-    if (!kingThere['b']) return "1-0";
-    if (!this.atLeastOneMove()) return (this.turn == 'w' ? "0-1" : "1-0");
-    return "*";
-  }
-
-  static GenRandInitFen(options) {
-    return (
-      SuicideRules.GenRandInitFen(options).slice(0, -1) +
-      // Add Peach + Mario flags + capture counts
-      "1111 000000000000"
-    );
-  }
-
-  filterValid(moves) {
-    return moves;
-  }
-
-  static get VALUES() {
-    return Object.assign(
-      {},
-      ChessRules.VALUES,
-      {
-        s: 1,
-        u: 5,
-        o: 3,
-        c: 3,
-        t: 9,
-        l: 1000,
-        e: 0,
-        d: 0,
-        w: 0,
-        m: 0
-      }
-    );
-  }
-
-  static get SEARCH_DEPTH() {
-    return 1;
-  }
-
-  getComputerMove() {
-    const moves = this.getAllValidMoves();
-    // Split into "normal" and "random" moves:
-    // (Next splitting condition is OK because cannot take self object
-    // without a banana or bomb on the way).
-    const deterministicMoves = moves.filter(m => {
-      return m.vanish.every(a => a.c != 'a' || a.p == V.MUSHROOM);
-    });
-    const randomMoves = moves.filter(m => {
-      return m.vanish.some(a => a.c == 'a' && a.p != V.MUSHROOM);
-    });
-    if (Math.random() < deterministicMoves.length / randomMoves.length)
-      // Play a deterministic one: capture king or material if possible
-      return super.getComputerMove(deterministicMoves);
-    // Play a random effect move, at random:
-    let move1 = randomMoves[randInt(randomMoves.length)];
-    this.play(move1);
-    let move2 = undefined;
-    if (this.subTurn == 2) {
-      const moves2 = this.getAllValidMoves();
-      move2 = moves2[randInt(moves2.length)];
-    }
-    this.undo(move1);
-    if (!move2) return move1;
-    return [move1, move2];
-  }
-
-  getNotation(move) {
-    if (move.vanish.length == 0 && move.appear.length == 0) return "-";
-    if (
-      !move.end.effect &&
-      move.appear.length > 0 &&
-      move.appear[0].p == V.INVISIBLE_QUEEN
-    ) {
-      return "Q??";
-    }
-    const finalSquare = V.CoordsToSquare(move.end);
-    // Next condition also includes Toadette placements:
-    if (move.appear.length > 0 && move.vanish.every(a => a.c == 'a')) {
-      const piece =
-        move.appear[0].p != V.PAWN ? move.appear[0].p.toUpperCase() : "";
-      return piece + "@" + finalSquare;
-    }
-    else if (move.appear.length == 0) {
-      const piece = this.getPiece(move.start.x, move.start.y);
-      if (piece == V.KING && !move.end.effect)
-        // King remote capture
-        return "Kx" + finalSquare;
-      // Koopa or Chomp, or loopback after bananas, bombs & mushrooms:
-      return (
-        piece.toUpperCase() + "x" + finalSquare +
-        (
-          !!move.end.effect
-            ? "*" + (move.end.effect == "koopa" ? "K" : "C")
-            : ""
-        )
-      );
-    }
-    if (move.appear.length == 1 && move.vanish.length == 1) {
-      const moveStart = move.appear[0].p.toUpperCase() + "@";
-      if (move.appear[0].c == 'a' && move.vanish[0].c == 'a')
-        // Bonus replacement:
-        return moveStart + finalSquare;
-      if (
-        move.vanish[0].p == V.INVISIBLE_QUEEN &&
-        move.appear[0].x == move.vanish[0].x &&
-        move.appear[0].y == move.vanish[0].y
-      ) {
-        // Toadette takes invisible queen
-        return moveStart + "Q" + finalSquare;
-      }
-    }
-    if (
-      move.appear.length == 2 &&
-      move.vanish.length == 2 &&
-      move.appear.every(a => a.c != 'a') &&
-      move.vanish.every(v => v.c != 'a')
-    ) {
-      // King Boo exchange
-      return V.CoordsToSquare(move.start) + finalSquare;
-    }
-    const piece = move.vanish[0].p;
-    let notation = undefined;
-    if (piece == V.PAWN) {
-      // Pawn move
-      if (this.board[move.end.x][move.end.y] != V.EMPTY) {
-        // Capture
-        const startColumn = V.CoordToColumn(move.start.y);
-        notation = startColumn + "x" + finalSquare;
-      }
-      else notation = finalSquare;
-      if (move.appear[0].p != V.PAWN)
-        // Promotion
-        notation += "=" + move.appear[0].p.toUpperCase();
-    }
-    else {
-      notation =
-        piece.toUpperCase() +
-        (this.board[move.end.x][move.end.y] != V.EMPTY ? "x" : "") +
-        finalSquare;
-    }
-    if (!!move.end.effect) {
-      switch (move.end.effect) {
-        case "kingboo":
-          notation += "*B";
-          break;
-        case "toadette":
-          notation += "*T";
-          break;
-        case "daisy":
-          notation += "*D";
-          break;
-        case "bowser":
-          notation += "*M";
-          break;
-        case "luigi":
-        case "waluigi":
-          const lastAppear = move.appear[move.appear.length - 1];
-          const effectOn =
-            V.CoordsToSquare({ x: lastAppear.x, y : lastAppear.y });
-          notation += "*" + move.end.effect[0].toUpperCase() + effectOn;
-          break;
-      }
-    }
-    return notation;
-  }
-
-};