Comments by Hafsteinn Kjartansson
The F3 problem is too great for this to be a good game. I hate to rate a game 'poor', but if not fixed,that problem kills the game.
Anyway, the situation on the main page was just to show how builders take and how they mate/check.
One possible notation for the builder: The Builder (Bu or I), builder take: Id5-a5*(b)Ra6->(w)Ra6. The builder (I) on d5 moves to a5 and takes a (black) rook on a6, switching it to (->) a (white) rook on a6. For the situation in which the black rook moves to e6, the builder does this: Id5-d6*(b)Bd7 -> (w)Bd7+ &*(b)Re6 -> (w)Re6+. This means that the builder on d5 moves to d6 (Id5-d6) and kills (*) the (black) bishop on d7 switching it (->) for a (white) bishop on d7, checking, AND (&) it kills the (black) rook on e6, switching it for a (white) rook on e6, checking.
Pictures:
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a) if the rook tried to block the builder, it could still switch the black bishop for a white, checking the king, and
b) if the bishop moved at all, the builder would simply take the king, thus any attempt to move the bishop would be illegal.
This makes the builder way to powerful. An interesting variant would be to have an anti-king instead of a king.
Another thing I've been thinking about is what happens if a piece moves adjacent to a builder? Is that suicide or does nothing happen at all? The latter would make it impossible for a builder to capture another builder, is that good or is that bad?
First, if the builder was at d4 the king wouldn't be in check. Your idea of the builder not being able to check is interesting and would help this piece to become 'even', so to say. The movement seems a bit strong to, I already added a suggestion on the main page.
Good idea! But I still think some restrictions on checking/mating would be needed. Any ideas?
But your idea's good, too.
By the way, the builder is a very strong piece. I'm working on some restrictions to make it fit better in FIDE chess. I'll post them here soon.
Hafsteinn.
Daniil, I'm glad you asked. Yes, pawns do promote although I forgot to mention it. Their promoted form is the gold, as in Shogi. The idea about the XS-chess pawns is that it is the shogi pawn (straight forward, capturing as it moves, promoting to gold), the xiangqi pawn (straight forward, captures as it moves, can move and capture one sideways upon crossing the river) and the chess pawn (one squere forward, captures one diagonally, can move two squeres forward on it's intial move. Can capture En-Passant forward (as the chess pawn only can move forward)). That becomes the XS-chess pawn: Moves one squere straight forward (all variants), captures as it moves (xiangqi, shogi) or one squere diagonally forward (chess), can move and capture one squere sideways after it crosses the river (xiangqi), can move but not capture two squeres forward on it's intial move (chess), promotes to gold (shogi) and can capture En-Passant forward only (chess) as the xiangqi pawn (who can move sideways after crossing the river) can never move two squeres at once, only the chess pawn can (and only forward). As pawns can move sideways after crossing the river, they can always move, no matter what. All those 'extra effects' makes the XS-chesspawn much more powerful than normal chesspawns, normal shogipawn or even normal xiangqipawn! I still say it is worth one point but in fact it should be three or four points...
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