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Found possible error in gnuchess pawn movement
From: |
Brian Wightman |
Subject: |
Found possible error in gnuchess pawn movement |
Date: |
Wed, 21 Jun 2006 17:15:50 -0500 |
User-agent: |
Thunderbird 1.5.0.2 (X11/20060524) |
Hi,
First of all for clarity, a pawn can ONLY attack diagonally correct? Or
is there a rule I have never been told...
I was playing the gnuchess engine and black moved its pawn diagonally to
the right and the white pawn originally to its right was removed from
the board.
ex.
before
~ ~ ~ ~
~ p P ~
~ ~ ~ ~
~ ~ ~ ~
after
~ ~ ~ ~
~ ~ ~ ~
~ ~ p ~
~ ~ ~ ~
Attached is the game.log of GNU Chess 5.07 and before/after xboard
screenschots
Thanks,
Brian Wightman
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nf3 Nf6 3. e3 Nc6 4. Bd3 Bg4 5. Qe2 e5 6. O-O e4 7. Ba6 bxa6 8.
Qxa6 Nb4
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. e4 d5 2. d4 dxe4 3. Nc3 Nf6 4. Bb5+ Bd7 5. d5 Bxb5 6. Nxb5 Na6 7. c4 c6 8.
dxc6 Qxd1+ 9. Kxd1 bxc6 10. Nd4 Rd8
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. e4 d5 2. d4 dxe4 3. Nc3 Nf6 4. Bb5+ Bd7 5. d5 Bxb5 6. Nxb5 Na6 7. c4 c6 8.
dxc6 Qxd1+ 9. Kxd1 bxc6 10. Nd4 Rd8
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. e4 d5 2. d4 dxe4 3. Nc3 Nf6 4. Bb5+ Bd7 5. d5 Bxb5 6. Nxb5 Na6 7. c4 c6 8.
dxc6 Qxd1+ 9. Kxd1 bxc6
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. e4 d5 2. d4 dxe4 3. Nc3 Nf6 4. Bb5+ Bd7 5. d5 Bxb5 6. Nxb5 Na6 7. c4 c6 8.
dxc6 Qxd1+ 9. Kxd1 bxc6 10. Nc3 Nb4 11. Nge2 O-O-O
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. e4 d5 2. d4 dxe4 3. Nc3 Nf6 4. Bb5+ Bd7 5. d5 Bxb5 6. Nxb5 Na6 7. c4 c6 8.
dxc6 Qxd1+ 9. Kxd1 bxc6 10. Nc3 Nb4 11. Nge2 O-O-O 12. Bd2 Ng4
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. e4 d5 2. d4 dxe4 3. Nc3 Nf6 4. Bb5+ Bd7 5. d5 Bxb5 6. Nxb5 Na6 7. c4 c6 8.
dxc6 Qxd1+ 9. Kxd1 bxc6 10. Nc3 Nb4 11. Nge2 O-O-O 12. Bd2 Ng4
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. e4 d5 2. d4 dxe4 3. Nc3 Nf6 4. Bb5+ Bd7 5. d5 Bxb5 6. Nxb5 Na6 7. c4 c6 8.
dxc6 Qxd1+ 9. Kxd1 bxc6 10. Nc3 Nb4 11. Nge2 O-O-O 12. Bd2 Ng4
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e4 Bb4
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e4 Bb4 5. d3 O-O 6. a3 Bxc3+ 7. Bd2 Bxb2 8.
Ra2 Bd4 9. Be2 d6 10. Nh4 Ng4 11. Bxg4 Qxh4
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5 6. Qb5 a6
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5 6. b4 Nxb4
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5 6. dxe5 Nxe5 7. Qd4 Nc6
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5 6. dxe5 Nxe5 7. Qd4 Nc6 8.
Qf4 Bd6 9. Qg5 Nb4 10. e4 Nxc2+ 11. Kd1 Nxa1 12. Qxg7 Rg8 13. Qh6 Nxe4 14. f3
Nf2+ 15. Ke1 Nxh1
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5 6. dxe5 Nxe5 7. Qd4 Nc6 8.
Qf4 Bd6 9. Qg5 Nb4 10. e4 Nxc2+ 11. Kd1 Nxa1 12. Qxg7 Rg8 13. Qh6 Nxe4 14. f3
Nf2+
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5 6. dxe5 Nxe5 7. Qd4 Nc6 8.
Qf4 Bd6 9. Qg5 Nb4 10. e4 Nxc2+ 11. Kd1 Nxa1 12. Qxg7 Rg8 13. Qh6 Nxe4
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5 6. dxe5 Nxe5 7. Qd4 Nc6 8.
Qf4 Bd6 9. Qg5 Nb4 10. e4 Nxc2+ 11. Kd1 Nxa1 12. Qxg7 Rg8
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5 6. dxe5 Nxe5 7. Qd4 Nc6 8.
Qf4 Bd6 9. Qg5 Nb4 10. e4 Nxc2+ 11. Kd1 Nxa1
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5 6. dxe5 Nxe5 7. Qd4 Nc6 8.
Qf4 Bd6 9. Qg5 Nb4 10. e4 Nxc2+ 11. Kd1 Nxa1 12. Qh4 dxe4
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5 6. dxe5 Nxe5 7. Qd4 Nc6 8.
Qf4 Bd6 9. Qg5 Nb4 10. e4 Nxc2+ 11. Kd1 Nxa1 12. Qh4 dxe4
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5 6. dxe5 Nxe5 7. Qd4 Nc6 8.
Qf4 Bd6 9. Qg5 Nb4 10. e4 Nxc2+ 11. Kd1 Nxa1 12. Qh4 dxe4
[Event ""]
[Site ""]
[Date "2006.05.25"]
[Round ""]
[White ""]
[Black "GNU Chess 5.07"]
[WhiteELO "0"]
[BlackELO "0"]
[Result ""]
1. d4 d5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 h5 5. Qd3 e5 6. dxe5 Nxe5 7. Qd4 Nc6 8.
Qf4 Bd6 9. Qg5 Nb4 10. e4 Nxc2+ 11. Kd1 Nxa1
- Found possible error in gnuchess pawn movement,
Brian Wightman <=