140 function FormatSquare(square) {  argument
142     return letters[(square & 0xF) - 4] + ((9 - (square >> 4)) + 1);
1374             var square = MakeSquare(row, col);
1375             flipTable[square] = MakeSquare(7 - row, col);
1399             var square = row | col;
1402             var index = square - (square - 17) + 128;
1404             index = square - (square - 15) + 128;
1407             index = square - (square + 17) + 128;
1409             index = square - (square + 15) + 128;
1414                     var target = square + pieceDeltas[i][dir];
1416                         index = square - target + 128;
1422                         if (square < target) 
1425                         if ((square & 0xF0) == (target & 0xF0)) {
1428                         } else if ((square & 0x0F) == (target & 0x0F)) {
1431                         } else if ((square % 15) == (target % 15)) {
1433                         } else if ((square % 17) == (target % 17)) {
2003         var square = g_pieceList[index];
2004 		while (square != 0) {
2005 			if (IsSquareAttackableFrom(target, square))
2007 			square = g_pieceList[++index];
2237 function MovePawnTo(moveStack, start, square) {  argument
2238 	var row = square & 0xF0;
2240 …moveStack[moveStack.length] = GenerateMove(start, square, moveflagPromotion | moveflagPromoteQueen…
2241 …moveStack[moveStack.length] = GenerateMove(start, square, moveflagPromotion | moveflagPromoteKnigh…
2242 …moveStack[moveStack.length] = GenerateMove(start, square, moveflagPromotion | moveflagPromoteBisho…
2243         moveStack[moveStack.length] = GenerateMove(start, square, moveflagPromotion);
2246         moveStack[moveStack.length] = GenerateMove(start, square, 0);
2431 function SeeAddXrayAttack(target, square, us, usAttacks, themAttacks) {  argument
2432     var index = square - target + 128;
2436     square += delta;
2437     while (g_board[square] == 0) {
2438         square += delta;
2441     if ((g_board[square] & 0x18) && IsSquareOnPieceLine(target, square)) {
2442         if ((g_board[square] & 8) == us) {
2443             usAttacks[usAttacks.length] = square;
2445             themAttacks[themAttacks.length] = square;