);
}
+ // Argument is (very generally) an array of squares (= arrays)
underCheck(square_s, oppCol) {
if (this.options["taking"] || this.options["dark"])
return false;
- if (!Array.isArray(square_s))
+ if (!Array.isArray(square_s[0]))
square_s = [square_s];
return square_s.some(sq => this.underAttack(sq, oppCol));
}
let newKingPP = null,
sqIdx = 0,
res = true; //a priori valid
- const oldKingPP = m.vanish.find(v => this.isKing(0, 0, v.p) && v.c == color);
+ const oldKingPP =
+ m.vanish.find(v => this.isKing(0, 0, v.p) && v.c == color);
if (oldKingPP) {
// Search king in appear array:
newKingPP =
m.appear.find(a => this.isKing(0, 0, a.p) && a.c == color);
if (newKingPP) {
- sqIdx = kingPos.findIndex(kp => kp[0] == oldKingPP.x && kp[1] == oldKingPP[.y);
+ sqIdx = kingPos.findIndex(kp =>
+ kp[0] == oldKingPP.x && kp[1] == oldKingPP.y);
kingPos[sqIdx] = [newKingPP.x, newKingPP.y];
}
else
res = false; //king vanished
}
- res &&= !this.underCheck(square_s, oppCol);
+ res &&= !this.underCheck(kingPos, oppCol);
if (oldKingPP && newKingPP)
kingPos[sqIdx] = [oldKingPP.x, oldKingPP.y];
this.undoOnBoard(m);
--- /dev/null
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+</svg>
--- /dev/null
+https://greenchess.net/info.php?item=downloads
--- /dev/null
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!--
+ Berolina-gyalog (fekete)
+ Készült: a pawn-b.svg felhasználásával
+ Felhasználási feltételek: Nevezd meg! - Így add tovább! (Creative Commons)
+ Uray M. János
+ 2014-2018
+-->
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" width="128" height="128" viewBox="0 0 45 45">
+ <g stroke="#000" stroke-width="2.0" stroke-linecap="round">
+ <path d="M 22.5,11 L 22.5,8"/>
+ </g>
+ <g fill="#000" stroke="#000" stroke-width="1.5" stroke-linejoin="miter">
+ <path d="M 22.5,11.41
+ A 4,4,0 1,0 16.83,16.09
+ C 15.88,17.27 15.35,18.71 15.35,20.3 C 15.35,22.53 16.38,24.52 18,25.83
+ C 15.41,27.09 11,31.58 11,39.5
+ L 34,39.5
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+ C 28.62,24.52 29.65,22.53 29.65,20.3 C 29.65,18.71 29.12,17.27 28.17,16.09
+ A 4,4,0 1,0 22.5,11.41
+ "/>
+ </g>
+</svg>
--- /dev/null
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!--
+ Berolina-gyalog (fehér)
+ Készült: a pawn-w.svg felhasználásával
+ Felhasználási feltételek: Nevezd meg! - Így add tovább! (Creative Commons)
+ Uray M. János
+ 2014-2018
+-->
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" width="128" height="128" viewBox="0 0 45 45">
+ <g stroke="#000" stroke-width="2.0" stroke-linecap="round">
+ <path d="M 22.5,11 L 22.5,8"/>
+ </g>
+ <g fill="#FFF" stroke="#000" stroke-width="1.5" stroke-linejoin="miter">
+ <path d="M 22.5,11.41
+ A 4,4,0 1,0 16.83,16.09
+ C 15.88,17.27 15.35,18.71 15.35,20.3 C 15.35,22.53 16.38,24.52 18,25.83
+ C 15.41,27.09 11,31.58 11,39.5
+ L 34,39.5
+ C 34,31.58 29.59,27.09 27,25.83
+ C 28.62,24.52 29.65,22.53 29.65,20.3 C 29.65,18.71 29.12,17.27 28.17,16.09
+ A 4,4,0 1,0 22.5,11.41
+ "/>
+ </g>
+</svg>
{name: 'Align4', desc: 'Align four pawns'},
{name: 'Allmate', desc: 'Mate any piece'},
{name: 'Ambiguous', desc: "Play opponent's pieces"},
-// {name: 'Antiking1', desc: 'Keep antiking in check', disp: 'Anti-King'},
+ {name: 'Antiking1', desc: 'Keep antiking in check', disp: 'Anti-King I'},
+ {name: 'Antiking2', desc: 'Keep antiking in check', disp: 'Anti-King II'},
// {name: 'Antimatter', desc: 'Dangerous collisions'},
// {name: 'Apocalypse', desc: 'The end of the world'},
// {name: 'Arena', desc: 'Middle battle'},
+++ /dev/null
-import ChessRules from "/base_rules.js";
-
-export class AbstractAntikingRules extends ChessRules {
-
- static get Options() {
- return {
- styles: [
- "atomic",
- "balance",
- "cannibal",
- "capture",
- "crazyhouse",
- "doublemove",
- "madrasi",
- "progressive",
- "recycle",
- "rifle",
- "teleport",
- "zen"
- ]
- };
- }
-
- pieces(color, x, y) {
- "a": {
- // Move like a king, no attacks
- "class": "antiking",
- moves: super.pieces(color, x, y)['k'].moves,
- attack: []
- }
- }
-
- isKing(x, y, p) {
- if (!p)
- p = this.getPiece(x, y);
- return ['k', 'a'].includes(p);
- }
-
- canTake([x1, y1], [x2, y2]) {
- const piece1 = this.getPiece(x1, y1);
- const piece2 = this.getPiece(x2, y2);
- const color1 = this.getColor(x1, y1);
- const color2 = this.getColor(x2, y2);
- return (
- piece2 != 'a' &&
- (
- (piece1 != 'a' && color1 != color2) ||
- (piece1 == 'a' && color1 == color2)
- )
- );
- }
-
- underCheck(squares, color) {
- const oppCol = C.GetOppCol(color);
- let res = false;
- squares.forEach(sq => {
- switch (this.getPiece(sq[0], sq[1])) {
- case 'k':
- res ||= super.underAttack(sq, oppCol);
- break;
- case 'a':
- res ||= !super.underAttack(sq, oppCol);
- break;
- }
- });
- return res;
- }
-
-};
import ChessRules from "/base_rules.js";
-import { ArrayFun } from "/utils/array.js";
-import { Random } from "/utils/alea.js";
+import {ArrayFun} from "/utils/array.js";
+import {Random} from "/utils/alea.js";
export default class AlapoRules extends ChessRules {
import ChessRules from "/base_rules.js";
-import { ArrayFun } from "/utils/array.js";
+import {ArrayFun} from "/utils/array.js";
export default class AliceRules extends ChessRules {
filterValid(moves) {
const color = this.turn;
const oppCol = C.GetOppCol(color);
- const kingPos = this.searchKingPos(color);
+ const kingPos = this.searchKingPos(color)[0];
const kingPiece = this.getPiece(kingPos[0], kingPos[1]);
return super.filterValid(moves).filter(m => {
// A move must also be legal on the board it is played:
return true;
}
- underCheck([x, y], oppCol) {
+ underCheck() {
return false; //not relevant here
}
getCurrentScore() {
// This function is only called at subTurn 1
const color = C.GetOppCol(this.turn);
- const kingPos = this.searchKingPos(color);
- if (kingPos[0] < 0)
+ if (this.searchKingPos(color).length == 0)
return (color == 'w' ? "0-1" : "1-0");
return "*";
}
postPlay(move) {
const color = this.turn;
- if (this.subTurn == 2 || this.searchKingPos(color)[0] < 0) {
+ if (this.subTurn == 2 || this.searchKingPos(color).length == 0) {
this.turn = C.GetOppCol(color);
this.movesCount++;
}
import ChessRules from "/base_rules.js";
-import AbstractAntikingRules from "/variants/AbstractAntiking.js";
+import AbstractAntikingRules from "/variants/_Antiking/class.js";
-export class Antiking1Rules extends AbstractAntikingRules {
-
- static get Options() {
- return {
- styles: [
- "atomic",
- "balance",
- "cannibal",
- "capture",
- "crazyhouse",
- "doublemove",
- "madrasi",
- "progressive",
- "recycle",
- "rifle",
- "teleport",
- "zen"
- ]
- };
- }
+export default class Antiking1Rules extends AbstractAntikingRules {
get hasCastle() {
return false;
}
+ get hasEnpassant() {
+ return false;
+ }
pieces(color, x, y) {
const pawnShift = (color == "w" ? -1 : 1);
}
// (Anti)King flags at 1 (true) if they can knight-jump
- setFlags(fenflags) {
+ setFlags(fenFlags) {
this.kingFlags = { w: {}, b: {} };
for (let i=0; i<fenFlags.length; i++) {
const white = fenFlags.charCodeAt(i) <= 90;
- const curChar = fenFlags.charCodeAt(i).toLowerCase();
+ const curChar = fenFlags.charAt(i).toLowerCase();
this.kingFlags[white ? 'w' : 'b'][curChar] = true;
}
}
getPotentialMovesFrom([x, y]) {
const color = this.turn;
let moves = super.getPotentialMovesFrom([x, y]);
- if (this.kingFlags[color][piece]) {
+ if (this.kingFlags[color][this.getPiece(x, y)]) {
// Allow knight jump (king or antiking)
const knightMoves = super.getPotentialMovesOf('n', [x, y]);
// Remove captures (TODO: could be done more efficiently...)
- moves = moves.concat(knightJumps.filter(m => m.vanish.length == 1));
+ moves = moves.concat(knightMoves.filter(m => m.vanish.length == 1));
}
return moves;
}
+++ /dev/null
-https://www.chessvariants.com/diffobjective.dir/anti-king-chess.html
--- /dev/null
+../_Antiking/rules.html
\ No newline at end of file
--- /dev/null
+@import url("/variants/_Antiking/style.css");
+
+piece.black.pawn {
+ background-image: url('/pieces/Berolina/black_pawn.svg');
+}
+piece.white.pawn {
+ background-image: url('/pieces/Berolina/white_pawn.svg');
+}
import ChessRules from "/base_rules.js";
-import AbstractAntikingRules from "/variants/AbstractAntiking.js";
-import { Random } from "/utils/alea.js";
+import AbstractAntikingRules from "/variants/_Antiking/class.js";
+import {Random} from "/utils/alea.js";
-export class Antiking2Rules extends AbstractAntikingRules {
-
- static get Aliases() {
- return Object.assign({'A': AbstractAntikingRules}, ChessRules.Aliases);
- }
+export default class Antiking2Rules extends AbstractAntikingRules {
static get Options() {
return {
+ select: C.Options.select,
styles: A.Options.styles.concat("cylinder")
};
}
else
akPos[1] = akPos[0];
}
- const whiteLine = (akPos[0] > 0 ? akPos[0] : "") + 'A' + (akPos < this.size.y - 1 ? ...);
- const blackLine = ...
- return baseFen.replace(...)
+ const antikingLine = (color) => {
+ const [idx, symbol] = (color == 'w' ? [0, 'a'] : [1, 'A']);
+ return (
+ (akPos[idx] > 0 ? akPos[idx] : "") + symbol +
+ (akPos[idx] < this.size.y - 1
+ ? C.FenEmptySquares(this.size.y - 1 - akPos[idx])
+ : "")
+ );
+ };
+ return (
+ baseFen.replace("p/8", "p/" + antikingLine('b'))
+ .replace("8/P", antikingLine('w') + "/P")
+ );
}
};
+++ /dev/null
-https://www.chessvariants.com/diffobjective.dir/anti-king-chess.html
--- /dev/null
+../_Antiking/rules.html
\ No newline at end of file
--- /dev/null
+../_Antiking/style.css
\ No newline at end of file
import ChessRules from "/base_rules.js";
import GiveawayRules from "/variants/Giveaway/class.js";
-import { ArrayFun } from "/utils/array.js";
-import { Random } from "/utils/alea.js";
+import {ArrayFun} from "/utils/array.js";
+import {Random} from "/utils/alea.js";
import PiPo from "/utils/PiPo.js";
import Move from "/utils/Move.js";
import ChessRules from "/base_rules.js";
-import { ArrayFun } from "/utils/array.js";
-import { Random } from "/utils/alea.js";
+import {ArrayFun} from "/utils/array.js";
+import {Random} from "/utils/alea.js";
export default class GiveawayRules extends ChessRules {
super(o);
}
- underCheck([x, y], oppCol) {
+ underCheck(square, oppCol) {
if (this.options["mode"] == "suicide")
return false;
- return super.underCheck([x, y], oppCol);
+ return super.underCheck(square, oppCol);
}
getCurrentScore() {
super(o);
}
- underCheck([x, y], color) {
- if (this.options["rexincl"]) {
- // If Rex Inclusive, kings do not check each other:
- // we just replace it very temporarily.
- const [ox, oy] = this.searchKingPos(color);
- const saveOppKing = this.board[ox][oy];
- this.board[ox][oy] = C.GetOppCol(color) + "q"; //arbitrary
- const res = super.underCheck([x, y], color);
- this.board[ox][oy] = saveOppKing;
- return res;
- }
- return super.underCheck([x, y], color);
+ canTake([x1, y1], [x2, y2]) {
+ return (
+ (
+ !this.options["rexincl"] ||
+ this.getPiece(x1, y1) != 'k' ||
+ this.getPiece(x2, y2) != 'k'
+ )
+ &&
+ super.canTake([x1, y1], [x2, y2])
+ );
}
};
getCurrentScore() {
const color = this.turn;
const kingPos = super.searchKingPos(color);
- if (color == "w" && kingPos[0] == 0) return "0-1";
- if (color == "b" && kingPos[0] == this.size.x - 1) return "1-0";
+ if (color == "w" && kingPos[0][0] == 0) return "0-1";
+ if (color == "b" && kingPos[0][0] == this.size.x - 1) return "1-0";
// King is not on the opposite edge: game not over
return "*";
}
--- /dev/null
+import ChessRules from "/base_rules.js";
+
+export default class AbstractAntikingRules extends ChessRules {
+
+ static get Aliases() {
+ return Object.assign({'A': AbstractAntikingRules}, ChessRules.Aliases);
+ }
+
+ static get Options() {
+ return {
+ styles: [
+ "atomic",
+ "balance",
+ "cannibal",
+ "capture",
+ "crazyhouse",
+ "doublemove",
+ "madrasi",
+ "progressive",
+ "recycle",
+ "rifle",
+ "teleport",
+ "zen"
+ ]
+ };
+ }
+
+ pieces(color, x, y) {
+ return Object.assign(
+ {
+ 'a': {
+ // Move like a king, no attacks
+ "class": "antiking",
+ moves: super.pieces(color, x, y)['k'].moves,
+ attack: []
+ }
+ },
+ super.pieces(color, x, y)
+ );
+ }
+
+ isKing(x, y, p) {
+ if (!p)
+ p = this.getPiece(x, y);
+ return ['k', 'a'].includes(p);
+ }
+
+ // NOTE: canTake includes (wrong) captures of antiking,
+ // to not go to low-level using findDestSquares()
+ canTake([x1, y1], [x2, y2]) {
+ const piece1 = this.getPiece(x1, y1);
+ const color1 = this.getColor(x1, y1);
+ const color2 = this.getColor(x2, y2);
+ return (
+ (piece1 != 'a' && color1 != color2) ||
+ (piece1 == 'a' && color1 == color2)
+ );
+ }
+
+ // Remove captures of antiking (see above)
+ getPotentialMovesFrom([x, y]) {
+ return super.getPotentialMovesFrom([x, y]).filter(m =>
+ m.vanish.length == 1 || m.vanish[1].p != 'a');
+ }
+
+ underCheck(squares, color) {
+ let res = false;
+ squares.forEach(sq => {
+ switch (this.getPiece(sq[0], sq[1])) {
+ case 'k':
+ res ||= super.underAttack(sq, color);
+ break;
+ case 'a':
+ res ||= !super.underAttack(sq, color);
+ break;
+ }
+ });
+ return res;
+ }
+
+};
--- /dev/null
+https://www.chessvariants.com/diffobjective.dir/anti-king-chess.html
--- /dev/null
+@import url("/base_pieces.css");
+
+piece.black.antiking {
+ background-image: url('/pieces/Antiking/black_antiking.svg');
+}
+piece.white.antiking {
+ background-image: url('/pieces/Antiking/white_antiking.svg');
+}