boards[moveNum][EP_STATUS] = EP_NONE;
if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
- if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
+ if(double_push != -1) {
+ int dir = WhiteOnMove(moveNum) ? 1 : -1, last = BOARD_HEIGHT-1;
+ boards[moveNum][EP_FILE] = // also set new e.p. variables
+ boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
+ boards[moveNum][EP_RANK] = (last + 3*dir)/2;
+ boards[moveNum][LAST_TO] = 128*(last + dir) + boards[moveNum][EP_FILE];
+ } else boards[moveNum][EP_FILE] = boards[moveNum][EP_RANK] = 100;
if (ics_getting_history == H_GOT_REQ_HEADER ||
shuffleOpenings = 1;
break;
case VariantNoCastle:
- pieces = FIDEArray;
- nrCastlingRights = 0;
/* !!?unconstrained back-rank shuffle */
shuffleOpenings = 1;
+ case VariantSuicide:
+ pieces = FIDEArray;
+ nrCastlingRights = 0;
break;
}