Legal Position?

Discussion of anything and everything relating to chess playing software and machines.

Moderator: Ras

User avatar
David Dahlem
Posts: 900
Joined: Wed Mar 08, 2006 9:06 pm

Legal Position?

Post by David Dahlem »

[d]8/8/8/8/8/3P2P1/PPPRPP1P/kNBQKBNR b - - 0 1

Can a game legally reach this position? :roll:

YES!! :lol:

1.g3 f5 2.Bg2 Nc6 3.Bxc6 g5 4.d3 a5 5.Qd2 Kf7 6.Qxg5 h6 7.Qxe7+ Kg6 8.Bxd7 Kh5 9.Kd2 Kg4 10.Nf3 Kh3 11.Ng1+ Kg2 12.Bxf5 Kf1 13.Ke3 Ke1 14.Kf3 Nf6 15.Qxc7 Nd5 16.Kg2 Nc3 17.Bxh6 Qg5 18.Na3+ Kd2 19.Re1 Nd1 20.Kf1 b5 21.Nxb5 Kc1 22.Qxa5 Kb1 23.Rxd1+ Qc1 24.Bxc1 Bh6 25.Qe1 Bd2 26.Rxd2 Bb7 27.Qd1 Bg2+ 28.Ke1 Rh3 29.Bxh3 Bf1 30.Bxf1 Ra3 31.Nxa3+ Ka1 32.Nb1
Top
sockmonkey
Posts: 588
Joined: Sun Nov 23, 2008 11:16 pm
Location: Berlin, Germany

Re: Legal Position?

Post by sockmonkey »

I like black's odds here. :)

Jeremy
Top
User avatar
David Dahlem
Posts: 900
Joined: Wed Mar 08, 2006 9:06 pm

Re: Legal Position?

Post by David Dahlem »

sockmonkey wrote:I like black's odds here. :)

Jeremy
So you like to pull for the underdog? :wink:

Here are more solutions -

[Event "Original, 2007"]
[Site "?"]
[Date "2007.??.??"]
[Round "?"]
[White "Bader Al-Hajiri"]
[Black "Proof game in 32"]
[Result "*"]
[ECO "A00"]
[PlyCount "64"]
[EventDate "2007.??.??"]

1.g3 f5 2.Bg2 Nc6 3.Bxc6 g5 4.d3 a5 5.Qd2 Kf7 6.Qxg5 h6 7.Qxe7+ Kg6 8.Bxd7 Kh5 9.Kd2 Kg4 10.Nf3 Kh3 11.Ng1+ Kg2 12.Bxf5 Kf1 13.Ke3 Ke1 14.Kf3 Nf6 15.Qxc7 Nd5 16.Kg2 Nc3 17.Bxh6 Qg5 18.Na3+ Kd2 19.Re1 Nd1 20.Kf1 b5 21.Nxb5 Kc1 22.Qxa5 Kb1 23.Rxd1+ Qc1 24.Bxc1 Bh6 25.Qe1 Bd2 26.Rxd2 Bb7 27.Qd1 Bg2+ 28.Ke1 Rh3 29.Bxh3 Bf1 30.Bxf1 Ra3 31.Nxa3+ Ka1 32.Nb1 *

[Event "?"]
[Site "?"]
[Date "2007.??.??"]
[Round "?"]
[White "Bader Al-Hajiri"]
[Black "Proof game"]
[Result "*"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "2007.??.??"]

1. d3 h6 2. Bxh6 f5 3. Qd2 f4 4. Qxf4 a5 5. Qxc7 Kf7 6. g3 Kg6 7. Bg2 Kh5 8.
Bxb7 Kg4 9. Nf3 Kh3 10. Bxc8 e5 11. Bxg7 e4 12. Kd2 e3+ 13. Kxe3 Kg2 14. Ng1
Kf1 15. Kf3 Ke1 16. Qxa5+ Bb4 17. Nc3+ Kd2 18. Rf1 Rh3 19. Bxd7 Nh6 20. Nd1 Kc1
21. Bxh6+ Kb1 22. Bc1 Na6 23. Kg2 Rc8 24. Bxh3 Rc3 25. Nxc3+ Ka1 26. Nb1 Nc5
27. Rd1 Be1 28. Qxe1 Ne4 29. Kf1 Nd2+ 30. Rxd2 Qd5 31. Qd1 Qg2+ 32. Ke1 Qf1+
33. Bxf1 *

[Event "?"]
[Site "?"]
[Date "2007.??.??"]
[Round "?"]
[White "Beuman, Thomas"]
[Black "Proof game in 33"]
[Result "*"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "2007.??.??"]

1. g3 e6 2. Bg2 f5 3. d3 h6 4. Qd2 a5 5. Bxb7 c6 6. Bxa8 Kf7 7. Bxc6 Kg6 8.
Bxd7 Kh5 9. Qxa5 Kg4 10. Bxh6 f4 11. Bxg7 Nh6 12. Bxh6 f3 13. Nxf3 Kh3 14. Kd2
Kg2 15. Ng1 Kf1 16. Bxe6 Bb4+ 17. Ke3 Qg5+ 18. Kf3 Ke1 19. Nc3+ Kd2 20. Re1 Nc6
21. Nd1 Kc1 22. Kg2 Kb1 23. Kf1 Qc1 24. Bxc1 Ka1 25. Nc3 Nd4 26. Nb1 Nf3 27.
Rd1 Be1 28. Qxe1 Nd2+ 29. Rxd2 Bb7 30. Qd1 Bg2+ 31. Ke1 Rh3 32. Bxh3 Bf1 33.
Bxf1 *

[Event "?"]
[Site "?"]
[Date "2007.??.??"]
[Round "?"]
[White "Van Essen, Martin"]
[Black "Proof game in 33"]
[Result "*"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "2007.??.??"]

1. d3 h6 2. Bxh6 e6 3. g3 Ke7 4. Bg2 Kf6 5. Bxb7 Kf5 6. Qd2 a5 7. Qxa5+ Kg4 8.
Nf3 Kh3 9. Kd2 Kg2 10. Ng1+ Kf1 11. Qxc7 g5 12. Qxd7 Nc6 13. Qxf7 Nd4 14. Qxe6
Nf3+ 15. Ke3 Ra3 16. Kxf3 Ke1 17. Nc3+ Kd2 18. Re1 Bb4 19. Nd1 Kc1 20. Bxg5+
Kb1 21. Bc1 Rh3 22. Qxh3 Bd2 23. Qf1 Rc3 24. Nxc3+ Ka1 25. Rd1 Bh3 26. Rxd2
Bg2+ 27. Kxg2 Nf6 28. Qd1 Qd5+ 29. Kf1 Qg2+ 30. Ke1 Ng4 31. Bxg2 Ne3 32. Nb1
Nf1 33. Bxf1 *

[Event "?"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Heimo, Olli"]
[Black "Proof game in 33"]
[Result "*"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "2008.??.??"]

1. d3 a5 2. Qd2 d5 3. Qxa5 Kd7 4. Qxc7+ Ke6 5. g3 Kf5 6. Bg2 Kg4 7. Bxd5 h6 8.
Bxh6 e6 9. Nf3 Kh3 10. Kd2 Kg2 11. Ng1+ Kf1 12. Ke3 Ke1 13. Kf3 Qg5 14. Bxe6
Ra3 15. Nxa3+ Kd2 16. Re1 Nd7 17. Qxd7 Nf6 18. Qxf7 Ne4 19. Qxg7 Nc3 20. Kg2
Nd1 21. Kf1 b5 22. Nxb5 Kc1 23. Qc3 Kb1 24. Rxd1+ Qc1 25. Bxc1 Ba3 26. Nxa3+
Ka1 27. Nb1 Rh3 28. Bxh3 Bb7 29. Qe1 Ba8 30. Rd2 Bb7 31. Qd1 Bg2+ 32. Ke1 Bf1
33. Bxf1 *

[Event "?"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Lahtonen, Sampsa"]
[Black "Proof game in 33"]
[Result "*"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "2008.??.??"]

1. d3 h6 2. Bxh6 g5 3. g3 a5 4. Bh3 e6 5. Bxe6 f5 6. Bxd7+ Kf7 7. Qd2 Kg6 8.
Qxa5 Kh5 9. Qxc7 Kg4 10. Nf3 Kh3 11. Ng1+ Kg2 12. Kd2 Bc5 13. Bxf5 Be3+ 14.
Kxe3 Kf1 15. Kf3 Ke1 16. Nc3+ Kd2 17. Re1 Nc6 18. Nd1 Kc1 19. Bxg5+ Kb1 20. Bc1
Ra3 21. Qxb7 Rc3 22. Nxc3+ Ka1 23. Nb1 Qa5 24. Rd1 Qe1 25. Kg2 Nb4 26. Qxb4 Nf6
27. Qxe1 Ne4 28. Kf1 Nd2+ 29. Rxd2 Rh3 30. Bxh3 Bb7 31. Qd1 Bg2+ 32. Ke1 Bf1
33. Bxf1 *

[Event "?"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Guthrie, Aaron"]
[Black "Proof game in 33"]
[Result "*"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "2008.??.??"]

1. g3 f6 2. Bh3 Kf7 3. Bxd7 Kg6 4. d3 h6 5. Bxh6 Kh5 6. Nf3 f5 7. Qd2 a5 8.
Qxa5 Kg4 9. Qxc7 Kh3 10. Bxf5+ Kg2 11. Kd2 Nf6 12. Ng1 Kf1 13. Ke3 Ke1 14. Kf3
g5 15. Nc3+ Kd2 16. Re1 Qd5+ 17. Nxd5 Ne4 18. Kg2 Nc3 19. Kf1 Nd1 20. Qxe7 Kc1
21. Bxg5+ Kb1 22. Bc1 Nc6 23. Rxd1 Nb4 24. Qxb7 Rh3 25. Qxb4 Ra3 26. Bxh3 Rc3
27. Nxc3+ Ka1 28. Nb1 Bh6 29. Qe1 Bd2 30. Rxd2 Bb7 31. Qd1 Bg2+ 32. Ke1 Bf1 33.
Bxf1 *

[Event "?"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Bosch, Renny"]
[Black "Proof game in 33"]
[Result "*"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "2008.??.??"]

1. d3 h6 2. Bxh6 d5 3. Qd2 a5 4. Qxa5 Bh3 5. g3 Bg2 6. Bxg2 Kd7 7. Qxc7+ Ke6 8.
Qxe7+ Kf5 9. Bxd5 Kg4 10. Nf3 Kh3 11. Kd2 Kg2 12. Ng1+ Kf1 13. Ke3 Ke1 14. Qxf7
Qg5+ 15. Kf3 Ra3 16. Nxa3+ Kd2 17. Re1 b5 18. Nxb5 Nf6 19. Kg2 Ne4 20. Kf1 Nc3
21. Bg2 Nd1 22. Qxg7 Kc1 23. Qxh8 Kb1 24. Rxd1+ Qc1 25. Bxc1 Ka1 26. Qc3 Bb4
27. Qe1 Bd2 28. Na3 Na6 29. Nb1 Nc7 30. Rxd2 Nd5 31. Qd1 Ne3+ 32. Ke1 Nf1 33.
Bxf1 *

[Event "?"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Bakke, Olav"]
[Black "Proof game in 33"]
[Result "*"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "2008.??.??"]

1. d3 h6 2. Bxh6 g5 3. g3 f5 4. Qd2 f4 5. Qxf4 e5 6. Qxe5+ Kf7 7. Bg2 c6 8.
Bxc6 Kg6 9. Qxb8 Kh5 10. Qxa8 Kg4 11. Nf3 Kh3 12. Bxd7+ Kg2 13. Kd2 b5 14. Ng1+
Kf1 15. Ke3 Ke1 16. Kf3 a5 17. Na3+ Kd2 18. Kg2 Nf6 19. Kf1 Nd5 20. Nxb5 Nc3
21. Re1 Nd1 22. Qxa5+ Kc1 23. Bxg5+ Kb1 24. Bc1 Ba3 25. Nxa3+ Ka1 26. Nb1 Bb7
27. Rxd1 Qg5 28. Qe1 Qd2 29. Rxd2 Ba8 30. Qd1 Rh3 31. Bxh3 Bg2+ 32. Ke1 Bf1 33.
Bxf1 *

[Event "?"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Richter, Mario"]
[Black "Proof game in 33 (1)"]
[Result "*"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "2008.??.??"]

1. g3 e6 2. Bh3 Ke7 3. Bxe6 Kf6 4. d3 Ne7 5. Kd2 Kg5 6. Ke3 f5 7. Qd2 a5 8.
Qxa5 Kg4 9. Nf3 Kh3 10. Bxf5+ Kg2 11. Ng1 Kf1 12. Kf3 h6 13. Bxh6 g5 14. Qxc7
Ke1 15. Bxd7 Ra3 16. Nxa3+ Kd2 17. Re1 Nd5 18. Kg2 b5 19. Nxb5 Nc3 20. Kf1 Nd1
21. Qxb8 Kc1 22. Bxg5+ Kb1 23. Bc1 Rh3 24. Bxh3 Qd6 25. Rxd1 Qa3 26. Nxa3+ Ka1
27. Nb1 Bb4 28. Qxb4 Bb7 29. Qe1 Be4 30. Rd2 Bf3 31. Qd1 Bg2+ 32. Ke1 Bf1 33.
Bxf1 *

[Event "?"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Richter, Mario"]
[Black "Proof game in 33 (2)"]
[Result "*"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "2008.??.??"]

1. d3 h6 2. Bxh6 a5 3. Qd2 d5 4. Qxa5 Kd7 5. g3 Ke6 6. Bg2 Kf5 7. Qxd5+ Kg4 8.
Qxf7 b5 9. Kd2 Bb7 10. Bxb7 Nf6 11. Nf3 Kh3 12. Qxe7 Kg2 13. Ng1+ Kf1 14. Ke3
Nd5+ 15. Kf3 Nc3 16. Qxg7 Ke1 17. Qxc7 Ba3 18. Kg2 Qg5 19. Nxa3+ Kd2 20. Re1
Nd1 21. Kf1 Kc1 22. Bg2 Ra5 23. Qxa5 Nc6 24. Nxb5 Kb1 25. Rxd1+ Qc1 26. Bxc1
Nd4 27. Qe1 Nf3 28. Rd2 Ra8 29. Qd1 Ne1 30. Kxe1 Ra7 31. Bf1 Ra3 32. Nxa3+ Ka1
33. Nb1 *

[Event "?"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Richter, Mario"]
[Black "Proof game in 33 (3)"]
[Result "*"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "2008.??.??"]

1. g3 f5 2. Bg2 Nc6 3. Bxc6 Kf7 4. d3 Kg6 5. Qd2 f4 6. Qxf4 e5 7. Qxe5 Nf6 8.
Qxc7 Kh5 9. Kd2 Kg4 10. Nf3 Kh3 11. Ke3 Kg2 12. Ng1+ Kf1 13. Kf3 h6 14. Bxh6
Ke1 15. Bxg7 Ne4 16. Na3+ Kd2 17. Kg2 Nc3 18. Re1 Nd1 19. Kf1 b5 20. Nxb5 a5
21. Qxa5+ Kc1 22. Bxd7 Rh3 23. Bxh3 Qg5 24. Bh6 Kb1 25. Rxd1+ Qc1 26. Bxc1 Bh6
27. Qe1 Bd2 28. Rxd2 Bb7 29. Qd1 Bg2+ 30. Ke1 Bf1 31. Bxf1 Ra3 32. Nxa3+ Ka1
33. Nb1 *


[Event "?"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Boxebeld, Paul"]
[Black "Proof game in 33"]
[Result "*"]
[ECO "A07"]
[PlyCount "65"]

1. g3 d5 2. Nf3 Bh3 3. Bxh3 e6 4. Bxe6 Ke7 5. Bxf7 Kf6 6. d3 Kf5 7. Qd2 a5 8.
Qxa5 g5 9. Bxg5 Kg4 10. Kd2 Kh3 11. Ng1+ Kg2 12. Ke3 Kf1 13. Kf3 Bb4 14. Bxd5
Ke1 15. Bxb7 c6 16. Bxc6 Nd7 17. Bxd7 h6 18. Bxh6 Qg5 19. Nc3+ Kd2 20. Re1 Rc8
21. Nd1 Kc1 22. Kg2 Kb1 23. Kf1 Qc1 24. Bxc1 Rc3 25. Nxc3+ Ka1 26. Nb1 Nf6 27.
Rd1 Be1 28. Qxe1 Nd5 29. Rd2 Rh7 30. Qd1 Ne3+ 31. Ke1 Rh3 32. Bxh3 Nf1 33. Bxf1
*
Top
User avatar
Dan Honeycutt
Posts: 5258
Joined: Mon Feb 27, 2006 4:31 pm
Location: Atlanta, Georgia

Re: Legal Position?

Post by Dan Honeycutt »

sockmonkey wrote:I like black's odds here. :)

Jeremy
Me too. If white couldn't find a win before now you can reasonably conclude he will never find a win.

Best
Dan H.
Top

Return to “Computer Chess Club: General Topics”