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fen.c: improve castling with chess960 - chess-puzzles - chess puzzle book gener… |
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--- |
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commit 7915ffd10d87934201c751632a4e1dd4c3cb65cb |
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parent 37c4fe7bb023a2537fd8221042a9b62086c6532b |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Mon, 22 Jan 2024 00:55:02 +0100 |
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fen.c: improve castling with chess960 |
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Diffstat: |
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M fen.c | 8 ++++---- |
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1 file changed, 4 insertions(+), 4 deletions(-) |
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--- |
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diff --git a/fen.c b/fen.c |
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@@ -1173,7 +1173,7 @@ board_playmoves(struct board *b, const char *moves) |
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/* castling */ |
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if (piece == 'K' && y == 7 && y2 == 7) { |
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/* white: kingside castling */ |
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- if (x2 > x + 1 || takepiece == 'R') { |
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+ if (x2 > x + 1 || (x2 > x && takepiece == 'R')) { |
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for (i = x2; i < 8; i++) { |
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if (getpiece(b, i, y2) == 'R') { |
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place(b, 0, x, y); /* clear pr… |
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@@ -1183,7 +1183,7 @@ board_playmoves(struct board *b, const char *moves) |
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break; |
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} |
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} |
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- } else if (x2 < x - 1 || takepiece == 'R') { |
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+ } else if (x2 < x - 1 || (x2 < x && takepiece == 'R'))… |
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/* white: queenside castling */ |
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for (i = x2; i >= 0; i--) { |
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if (getpiece(b, i, y2) == 'R') { |
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@@ -1197,7 +1197,7 @@ board_playmoves(struct board *b, const char *moves) |
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} |
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} else if (piece == 'k' && y == 0 && y2 == 0) { |
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/* black: kingside castling */ |
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- if (x2 > x + 1 || takepiece == 'r') { |
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+ if (x2 > x + 1 || (x2 > x && takepiece == 'r')) { |
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for (i = x2; i < 8; i++) { |
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if (getpiece(b, i, y2) == 'r') { |
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place(b, 0, x, y); /* clear pr… |
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@@ -1207,7 +1207,7 @@ board_playmoves(struct board *b, const char *moves) |
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break; |
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} |
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} |
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- } else if (x2 < x - 1 || takepiece == 'r') { |
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+ } else if (x2 < x - 1 || (x2 < x && takepiece == 'r'))… |
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/* black: queenside castling */ |
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for (i = x2; i >= 0; i--) { |
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if (getpiece(b, i, y2) == 'r') { |
