| 1 | import ChessRules from "/base_rules.js"; |
| 2 | |
| 3 | export default class CapablancaRules extends ChessRules { |
| 4 | |
| 5 | get pawnPromotions() { |
| 6 | return ['q', 'e', 's', 'r', 'n', 'b']; |
| 7 | } |
| 8 | |
| 9 | pieces(color, x, y) { |
| 10 | let newPieces = { |
| 11 | 'e': { |
| 12 | "class": "empress", |
| 13 | both: [ |
| 14 | { |
| 15 | steps: [ |
| 16 | [1, 0], [-1, 0], [0, 1], [0, -1] |
| 17 | ] |
| 18 | }, |
| 19 | { |
| 20 | steps: [ |
| 21 | [1, 2], [1, -2], [-1, 2], [-1, -2], |
| 22 | [2, 1], [-2, 1], [2, -1], [-2, -1] |
| 23 | ], |
| 24 | range: 1 |
| 25 | } |
| 26 | ] |
| 27 | }, |
| 28 | 's': { |
| 29 | "class": "princess", |
| 30 | both: [ |
| 31 | { |
| 32 | steps: [ |
| 33 | [1, 1], [1, -1], [-1, 1], [-1, -1] |
| 34 | ] |
| 35 | }, |
| 36 | { |
| 37 | steps: [ |
| 38 | [1, 2], [1, -2], [-1, 2], [-1, -2], |
| 39 | [2, 1], [-2, 1], [2, -1], [-2, -1] |
| 40 | ], |
| 41 | range: 1 |
| 42 | } |
| 43 | ] |
| 44 | } |
| 45 | }; |
| 46 | return Object.assign(newPieces, super.pieces(color, x, y)); |
| 47 | } |
| 48 | |
| 49 | get size() { |
| 50 | return {x: 8, y: 10}; |
| 51 | } |
| 52 | |
| 53 | genRandInitBaseFen() { |
| 54 | const s = FenUtil.setupPieces( |
| 55 | ['r', 'n', 's', 'b', 'q', 'k', 'b', 'e', 'n', 'r'], |
| 56 | { |
| 57 | randomness: this.options["randomness"], |
| 58 | between: {p1: 'k', p2: 'r'}, |
| 59 | diffCol: ['b'], |
| 60 | flags: ['r'] |
| 61 | } |
| 62 | ); |
| 63 | return { |
| 64 | fen: s.b.join("") + "/pppppppppp/91/91/91/91/PPPPPPPPPP/" + |
| 65 | s.w.join("").toUpperCase(), |
| 66 | o: {flags: s.flags} |
| 67 | }; |
| 68 | } |
| 69 | |
| 70 | }; |