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Subject: Re: Analysis of Crafty vs. GM van Wely ICC Blitz game

Author: Pete R.

Date: 20:16:07 07/15/99

Go up one level in this thread


Here is a more detailed PGN file.  Not too readable as a human, but fine with  a
good interface.

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[ECO "B97"]
[Annotator ""]
[PlyCount "95"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2
Qxb2 9. Rb1 Qa3 10. f5 Nc6 11. fxe6 fxe6 12. Nxc6 bxc6 13. e5 dxe5 14. Bxf6
gxf6 15. Ne4 Be7 16. Be2 h5 17. Rb3 Qa4 18. Nxf6+ Bxf6 19. c4 Bh4+ 20. g3 Be7
21. O-O h4 22. Bd3 Rg8 23. Qf2 23... Rg7 {based on analysis below, black has
nothing after this move.  See if alternatives are any better.} (23... Rg4 24.
Bg6+ 24... Rxg6 {transposes to line played in game.} (24... Kd8 25. Rd1+ {
+1.94 @ 12/34} 25... Rd4)) (23... Kd7 24. Rd1 Qa5 (24... Rxg3+ {is inferior}
25. hxg3 25... Qa5 {+0.13 @ 11/35}) (24... Ke8 25. Rf1 Rg4 (25... Rg5 26. Qf7+
26... Kd8 {*} 27. Rd1 27... Bd7 {-0.09 @ 13/13}) 26. Bg6+ Kd7 (26... Rxg6 {
transposes to move 24 of actual game}) 27. Rd1+ 27... Rd4 {*} 28. Rxd4+ 28...
exd4 {* +0.03 @ 13/13}) 25. Bh7+ 25... Kc7 {looks most promising for black} (
25... Ke8 {weak} 26. Bxg8 Bc5 27. Re3 Ra7 28. Kh1 Bxe3 29. Qxe3 {+0.25 @ 11/36}
) 26. Bxg8 Bc5 27. Re3 {*} 27... Bd7 28. Bh7 (28. Kg2 28... Rf8 {-1.78 @ 12/12}
) (28. Kh1 28... Rf8 {-2.06 @ 12/12}) 28... Rf8 {-2.37 @12/32}) 24. Bg6+ 24...
Rxg6 {*} (24... Kd7 $2 25. Rd1+ 25... Bd6 {*} 26. Qc5 {+8.59 @ 11/11} 26... Kd8
27. Qxd6+) 25. Qf7+ 25... Kd8 {*} 26. Rd1+ 26... Bd7 {*} 27. Rxd7+ 27... Kxd7 {
*} 28. Rd3+ Kc7 (28... Kc8 {only other legal move} 29. Qe8+ Kb7 (29... Kc7 {
second of the only two feasible moves} 30. Qxe7+ 30... Kb6 {*} 31. Rb3+ 31...
Qxb3 {*} 32. axb3 {transposes to move 31. of actual game, see analysis below -
this line offers black nothing} 32... Rh8) 30. Qxe7+ {same as 29...Kc7 line.
Now we have to back up further to find anything for black.}) 29. Qxe7+ 29...
Kb6 {*} 30. Rb3+ 30... Qxb3 {*} 31. axb3 hxg3 (31... Rh8 32. c5+ 32... Kb5 {*}
33. Qc7 33... Kb4 {*} 34. Qxc6 Rhg8 (34... Rgg8 35. Qb6+ 35... Kc3 {
+0.91 @ 12/12} 36. Kg2) 35. Qa4+ Kxc5 (35... Kc3 36. Qxh4 {+1.44 @ 14/14} 36...
Kxb3) 36. Qxh4 {+0.78 @ 13/35} 36... Rg4) (31... Rag8 32. Qxh4 {+0.87 @ 13/34}
32... Rg5 33. Qh6 Kc5 (33... R8g6 34. Qf8 Rf5 (34... e4 35. b4 Kc7 36. Qe7+ Kc8
37. Kf2 Rg4 38. Ke3 e5 39. Qa7 Kd8 40. Qxa6 Ke7 41. Qb7+ Kd8 42. c5 Rg7 43.
Qxc6 {+5.19 @ 13/13}) 35. Qb4+ Kc7 36. Qe7+ Kb6 37. c5+ 37... Kb5 {*} 38. Qa7
38... Kb4 {*} 39. Qb6+ Kc3 40. Qxc6 a5 41. Qa4 {+3.34 @ 11/33}) 34. Qxe6 R8g6 (
34... Kb4 35. Qxc6 Kxb3 36. Qxa6 {+1.87 @ 11/11}) 35. Qf7 Kb4 36. Qb7+ {
+0.91 @ 12/12 needs more analysis.  Rooks have more scope in this line, but
queen is probably still too powerful.}) (31... Rgg8 32. Qxh4 {+0.75 @ 13/13}
32... Rad8) (31... c5 32. Qxh4 {+1.19 @ 14/32} 32... Rag8) 32. c5+ {*} 32...
Kb5 {*} 33. Qb7+ {*} 33... Kxc5 {*} 34. Qxa8 gxh2+ 35. Kxh2 Rg4 36. Qxa6 Rb4
37. Qa5+ Rb5 38. b4+ Kc4 39. Qc7 c5 40. bxc5 Rxc5 41. Qd6 e4 42. Qxe6+ Kd4 43.
Qf6+ Kd5 44. Kg3 Rc2 45. Qd8+ Ke5 46. Qh8+ Kd5 47. Qh5+ Kc4 48. Kf4 {
Black resigns} *





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