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Old September 13th 04, 02:17 PM
Antonio Torrecillas
 
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Default Where was black's last chance to save this?

En/na Chaos ha escrit:
[White " "]
[Black " "]
[Result "1-0"]
[ECO "D12"]
[WhiteElo " "]
[BlackElo " "]

1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. e3 Bf5 5. Nc3 e6 6. Be2 h6 7. O-O Nbd7 8. a3
dxc4 9. Bxc4 Bd6 10. Re1 Nb6 11. Bd3 Bxd3 12. Qxd3 O-O 13. e4 Bc7 14. e5 Nfd5
15. Bd2 Nxc3 16. bxc3 Qd5 17. Rab1 Rab8 18. Rb4 Qd7 19. c4 c5 20. Rb5 a6 21.
Rbb1 cxd4 22. Re4 Rfd8 23. Rg4 h5 24. Ng5 g6 25. Nxf7! Qxf7 26. Rxg6+ Kh8 27.
Rxb6! Bxb6 28. Bg5 Rd7 29. Bf6+ Qxf6 30. exf6 Rh7 31. f7 Rxf7 32. Qg3 Bc7 33.
Qg5 b5 34. Rh6+ Rh7 35. Qf6+ Kg8 36. Rg6+ Rg7 37. Qxg7# 1-0

dayffd


Maybe 22th black?
Later it seems that black is lost.


What kind of game was?
COMP-COMP?, ... Advances chess?

Would you mind to post here the player names and site?

AT

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Old September 13th 04, 02:18 PM
Antonio Torrecillas
 
Posts: n/a
Default

En/na Chaos ha escrit:
[White " "]
[Black " "]
[Result "1-0"]
[ECO "D12"]
[WhiteElo " "]
[BlackElo " "]

1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. e3 Bf5 5. Nc3 e6 6. Be2 h6 7. O-O Nbd7 8. a3
dxc4 9. Bxc4 Bd6 10. Re1 Nb6 11. Bd3 Bxd3 12. Qxd3 O-O 13. e4 Bc7 14. e5 Nfd5
15. Bd2 Nxc3 16. bxc3 Qd5 17. Rab1 Rab8 18. Rb4 Qd7 19. c4 c5 20. Rb5 a6 21.
Rbb1 cxd4 22. Re4 Rfd8 23. Rg4 h5 24. Ng5 g6 25. Nxf7! Qxf7 26. Rxg6+ Kh8 27.
Rxb6! Bxb6 28. Bg5 Rd7 29. Bf6+ Qxf6 30. exf6 Rh7 31. f7 Rxf7 32. Qg3 Bc7 33.
Qg5 b5 34. Rh6+ Rh7 35. Qf6+ Kg8 36. Rg6+ Rg7 37. Qxg7# 1-0

dayffd


Maybe 22th black? ...
22...f5 or 22...Rbd8 23.Rg4 f5 are to consider.
Later it seems that black is lost.

What kind of game was?
COMP-COMP?, ... Advances chess?

Would you mind to post here the player names and site?

AT

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Old September 14th 04, 08:54 PM
Antonio Torrecillas
 
Posts: n/a
Default

En/na Chaos ha escrit:

Thanks for your suggestion. (22...f5 / 22...Rbd8 23.Rg4 f5). I thought this was
a nicely played game by Comet B64 vs a very strong Crafty engine. The sacrifice
of 27.Nxf7! especially. Were this done in a human game, I can imagine the player
of the black pieces almost falling off of his/her chair.


I wrote that analyzing from the end to the beginning (like engines do).

- Is easy to see that after 26.Rxg6 white is winning (and in many ways).
- First alternative I considered was: 25...hxg4 but I found white wins.
- Then I examined 23...Kh8 and 23...Kf8 which also lead to white wins.
- ... because of that I suggested 22...f5 or 22...Rhd8 23.Rg4 f5, but If
anyone finds a win for white here that mean white has to try earlier
alternatives!!

I liked very much 23.Rg4!! and the subsequent attack was conducted very
well.

At first "look" I found strange white allowing 19...c5 (which breaks
white center) but looking at the whole game, it seems interesting.

AT

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