add new variant hyper backgammon

package.json

@@ -1,6 +1,6 @@
 {
   "name": "stratops",
-  "version": "0.8.1-pstrat5.2",
+  "version": "0.8.1-pstrat5.3",
   "description": "Strategy game rules and operations",
   "keywords": [
     "chess",

src/compat.ts

@@ -84,6 +84,7 @@ export function playstrategyRules(
     | 'go13x13'
     | 'go19x19'
     | 'backgammon'
+    | 'hyper'
     | 'nackgammon'
     | 'breakthroughtroyka'
     | 'minibreakthroughtroyka',
@@ -146,6 +147,7 @@ export function playstrategyVariants(
   | 'go13x13'
   | 'go19x19'
   | 'backgammon'
+  | 'hyper'
   | 'nackgammon'
   | 'breakthrough'
   | 'minibreakthrough'

src/fen.ts

@@ -25,7 +25,7 @@ export const INITIAL_FEN = INITIAL_EPD + ' 0 1';
 export const EMPTY_BOARD_FEN = '8/8/8/8/8/8/8/8';
 export const EMPTY_EPD = EMPTY_BOARD_FEN + ' w - -';
 export const EMPTY_FEN = EMPTY_EPD + ' 0 1';
-export const COMMA_FEN_RULES = ['oware', 'togyzkumalak', 'bestemshe', 'backgammon', 'nackgammon'];
+export const COMMA_FEN_RULES = ['oware', 'togyzkumalak', 'bestemshe', 'backgammon', 'hyper', 'nackgammon'];
 export const MANCALA_FEN_VARIANT = ['oware', 'togyzkumalak', 'bestemshe'];
 
 export enum InvalidFen {
@@ -533,7 +533,7 @@ export const parseFen = (rules: Rules) => (fen: string): Result<Setup, FenError>
   if (rules === 'go9x9' || rules === 'go13x13' || rules === 'go19x19') {
     return parseGoFen(rules)(fen);
   }
-  if (rules === 'backgammon' || rules === 'nackgammon') {
+  if (rules === 'backgammon' || rules === 'hyper' || rules === 'nackgammon') {
     return parseBackgammonFen(rules)(fen);
   }
 
@@ -705,7 +705,7 @@ export const makeFen = (rules: Rules) => (setup: Setup, opts?: FenOpts): string
     makeBoardFen(rules)(setup.board, opts) + (setup.pockets ? `[${makePockets(rules)(setup.pockets)}]` : ''),
     ...(MANCALA_FEN_VARIANT.includes(rules)
       ? owareMancalaFenParts(setup)
-      : rules === 'backgammon' || rules === 'nackgammon'
+      : rules === 'backgammon' || rules === 'hyper' || rules === 'nackgammon'
       ? backgammonFenParts(setup)
       : chessVariantFenParts(rules)(setup, opts)),
     ...(rules === 'amazons' && setup.lastMove ? [makeLastMove(rules)(setup.lastMove)] : []),

src/types.ts

@@ -316,6 +316,7 @@ export const RULES = [
   'go13x13',
   'go19x19',
   'backgammon',
+  'hyper',
   'nackgammon',
   'breakthrough',
   'minibreakthrough',

src/util.ts

@@ -276,6 +276,7 @@ export const dimensionsForRules = (rules: Rules): BoardDimensions => {
     case 'go19x19':
       return { ranks: 19, files: 19 };
     case 'nackgammon':
+    case 'hyper':
     case 'backgammon':
       return { ranks: 2, files: 12 };
     default:

src/variant.ts

@@ -1148,6 +1148,29 @@ export class Backgammon extends Chess {
   }
 }
 
+export class Hyper extends Chess {
+  // TODO - move into own class and have variant family
+  protected constructor() {
+    super('hyper');
+  }
+
+  static default(): Hyper {
+    return super.default();
+  }
+
+  static fromSetup(setup: Setup): Result<Hyper, PositionError> {
+    return super.fromSetup(setup);
+  }
+
+  clone(): Hyper {
+    return super.clone() as Hyper;
+  }
+
+  hasInsufficientMaterial(_playerIndex: PlayerIndex): boolean {
+    return false;
+  }
+}
+
 export class Nackgammon extends Chess {
   // TODO - move into own class and have variant family
   protected constructor() {
@@ -1227,6 +1250,8 @@ export function defaultPosition(rules: Rules): Position {
       return Go19x19.default();
     case 'backgammon':
       return Backgammon.default();
+    case 'hyper':
+      return Hyper.default();
     case 'nackgammon':
       return Nackgammon.default();
     case 'breakthrough':
@@ -1292,6 +1317,8 @@ export function setupPosition(rules: Rules, setup: Setup): Result<Position, Posi
       return Go19x19.fromSetup(setup);
     case 'backgammon':
       return Backgammon.fromSetup(setup);
+    case 'hyper':
+      return Hyper.fromSetup(setup);
     case 'nackgammon':
       return Nackgammon.fromSetup(setup);
     case 'breakthrough':