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Subject: Re: With Good defense the game should end up in a Draw !

Author: Jorge Pichard

Date: 13:53:34 05/09/04

Go up one level in this thread


On May 09, 2004 at 16:02:52, Omid David Tabibi wrote:

>On May 09, 2004 at 15:44:49, Jorge Pichard wrote:
>
>>Here is an astonishing combination.  White sacrifices most of his pieces to win
>>most of Black's!
>>
>>
>>Averbakh- Bondarevsky
>>USSR 1951
>>
>>New game,
>>[D]2rq4/5rbk/3p1n1p/p2Pp2P/1p2b3/4BNR1/PP1Q1P2/3BK1R1 w - - 0 1
>
>A beautiful combination, but easy for computers:
>
>Falcon 1.0.12.8 running on GenuineIntel 733MHz 256MB:
>depth     time    nodes   nps  score  variation
> 3/16     0.03       2k   93k   0.47  1.g3g6--
> 3/16     0.06       3k   64k   0.45  1.g3g6 f7c7 2.e3b6 e4g6 3.h5g6 h7h8
>                                      4.b6c7 d8c7
> 4/14     0.12       8k   72k   0.45  1.g3g6 f7c7 2.e3b6 e4g6 3.h5g6 h7h8
>                                      4.b6c7 d8c7
> 4/19     0.18      13k   74k   0.46  1.e3g5++
> 4/19     0.21      16k   78k   0.75  1.e3g5++
> 4/19     0.22      18k   83k   0.53  1.e3g5 f7c7 2.g5f6 d8f6
> 4/19     0.27      22k   82k   0.54  1.f3h4++
> 4/19     0.29      24k   83k   0.77  1.f3h4 f6d5 2.h4f5 e4f5 3.d2d5
> 5/16     0.50      45k   91k   0.74  1.f3h4 d8e7 2.d1f3 e7b7 3.f3e4 f6e4
> 5/25     0.70      67k   95k   0.75  1.e3h6++
> 5/25     0.71      68k   96k   1.00  1.e3h6 g7h6 2.d2h6 h7h6 3.g3g6 e4g6
>                                      4.g1g6 h6h5 5.f3e5 h5h4 6.g6h6 h4g5
>                                      7.e5f7 g5f5 8.f7d8 c8d8
> 6/18     0.74      72k   97k   1.00  1.e3h6 g7h6 2.d2h6 h7h6 3.g3g6 e4g6
>                                      4.g1g6 h6h5 5.f3e5 h5h4 6.g6h6 h4g5
>                                      7.e5f7 g5f5 8.f7d8 c8d8
> 7/21     1.06     106k  100k   1.00  1.e3h6 g7h6 2.d2h6 h7h6 3.g3g6 e4g6
>                                      4.g1g6 h6h5 5.f3e5 h5h4 6.g6h6 h4g5
>                                      7.e5f7 g5f5 8.f7d8 c8d8
> 8/24     3.34     385k  115k   1.00  1.e3h6 g7h6 2.d2h6 h7h6 3.g3g6 e4g6
>                                      4.g1g6 h6h5 5.f3e5 h5h4 6.g6h6 h4g5
>                                      7.e5f7 g5f5 8.f7d8 c8d8
> 9/27     5.48     676k  123k   1.10  1.e3h6 g7h6 2.d2h6 h7h6 3.g3g6 e4g6
>                                      4.g1g6 h6h5 5.f3e5 h5h4 6.g6h6 h4g5
>                                      7.e5f7 g5f5 8.f7d8 c8d8 9.d1f3
>10/29    10.81    1410k  130k   1.21  1.e3h6 g7h6 2.d2h6 h7h6 3.g3g6 e4g6
>                                      4.g1g6 h6h5 5.f3e5 h5h4 6.g6h6 h4g5
>                                      7.e5f7 g5f5 8.f7d8 c8d8 9.d1c2 f6e4
>                                      10.h6h5 f5g4
>11/34    24.50    3332k  135k   1.26  1.e3h6 g7h6 2.d2h6 h7h6 3.g3g6 e4g6
>                                      4.g1g6 h6h5 5.f3e5 f6g4 6.d1g4 h5h4
>                                      7.g6h6 h4g5 8.e5f7 g5g4 9.f7d8 c8d8
>                                      10.h6f6 a5a4
>
>

[Event "Blitz:30'+3""]
[Site "MyTown"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "2rq4/5rbk/3p1n1p/p2Pp2P/1p2b3/4BNR1/PP1Q1P2/3BK1R1 w - - 0 1"]
[PlyCount "108"]
[TimeControl "1800+3"]

1. Bxh6 {[%eval 180,15] [%emt 0:00:55]} Bxh6 {[%eval 179,17] [%emt 0:01:19]} 2.
Qxh6+ {[%eval 187,18] [%emt 0:01:07]} Kxh6 {[%eval 187,7] [%emt 0:00:00]} 3.
Rg6+ {[%eval 194,20] [%emt 0:01:10]} Bxg6 {[%eval 169,21] [%emt 0:03:07]} 4.
Rxg6+ {[%eval 158,20] [%emt 0:00:56]} Kxh5 {[%eval 196,21] [%emt 0:00:52]} 5.
Nxe5+ {[%eval 202,21] [%emt 0:01:23]} Ng4 {[%eval 178,22] [%emt 0:01:06]} 6.
Bxg4+ {[%eval 178,22] [%emt 0:01:54]} Kh4 {[%eval 167,7] [%emt 0:00:00]} 7.
Rh6+ {[%eval 167,20] [%emt 0:00:54]} Kg5 {[%eval 167,7] [%emt 0:00:00]} 8.
Nxf7+ {[%eval 167,20] [%emt 0:00:53]} Kxg4 {[%eval 144,19] [%emt 0:00:48]} 9.
Nxd8 {[%eval 146,19] [%emt 0:00:46]} Rxd8 {[%eval 148,20] [%emt 0:00:52]} 10.
Ke2 {(Re6) [%eval 153,20] [%emt 0:00:49]} Kf4 {
(Kf5) [%eval 155,20] [%emt 0:01:07]} 11. Re6 {[%eval 156,20] [%emt 0:00:38]} b3
{[%eval 157,20] [%emt 0:00:53]} 12. a4 {(a3) [%eval 158,20] [%emt 0:00:47]} Rc8
{[%eval 160,20] [%emt 0:00:31]} 13. Rxd6 {[%eval 160,20] [%emt 0:01:27]} Rc2+ {
[%eval 159,20] [%emt 0:01:34]} 14. Kd3 {[%eval 162,21] [%emt 0:01:20]} Ke5 {
[%eval 162,21] [%emt 0:01:28]} 15. Rb6 {[%eval 162,18] [%emt 0:00:31]} Rxb2 {
[%eval 162,19] [%emt 0:00:51]} 16. Kc4 {[%eval 152,19] [%emt 0:01:13]} Rc2+ {
[%eval 182,20] [%emt 0:01:07]} 17. Kxb3 {[%eval 183,22] [%emt 0:00:40]} Rxf2 {
[%eval 153,22] [%emt 0:00:54]} 18. Kc4 {[%eval 181,22] [%emt 0:00:31]} Rc2+ {
[%eval 182,22] [%emt 0:00:35]} 19. Kb5 {[%eval 182,23] [%emt 0:00:12]} Kxd5 {
[%eval 182,24] [%emt 0:00:36]} 20. Kxa5 {[%eval 183,24] [%emt 0:00:28]} Rc4 {
(Rc8) [%eval 183,24] [%emt 0:00:33]} 21. Kb5 {[%eval 193,24] [%emt 0:00:34]}
Rc8 {(Rc5+) [%eval 191,22] [%emt 0:00:06]} 22. Rb7 {
[%eval 192,24] [%emt 0:00:21]} Rc5+ {[%eval 192,25] [%emt 0:00:29]} 23. Ka6 {
[%eval 187,26] [%emt 0:00:52]} Kc6 {(Rc6+) [%eval 184,25] [%emt 0:00:23]} 24.
Rb3 {(Rb4) [%eval 187,25] [%emt 0:00:43]} Kc7 {[%eval 180,26] [%emt 0:00:31]}
25. Rb5 {(a5) [%eval 181,26] [%emt 0:00:33]} Kd6 {[%eval 181,26] [%emt 0:00:57]
} 26. Rb6+ {[%eval 182,25] [%emt 0:00:25]} Kd5 {[%eval 185,23] [%emt 0:00:06]}
27. Rb3 {(Rb1) [%eval 185,24] [%emt 0:00:35]} Kc6 {
(Kd6) [%eval 184,25] [%emt 0:00:21]} 28. a5 {[%eval 188,26] [%emt 0:00:20]} Kc7
{[%eval 187,26] [%emt 0:00:20]} 29. Rb7+ {[%eval 183,27] [%emt 0:00:45]} Kc8 {
(Kc6) [%eval 183,29] [%emt 0:00:26]} 30. Rb4 {
(Rb1) [%eval 183,28] [%emt 0:00:18]} Re5 {(Kc7) [%eval 182,26] [%emt 0:00:18]}
31. Rb2 {(Rb6) [%eval 183,28] [%emt 0:00:20]} Rc5 {
[%eval 183,30] [%emt 0:00:31]} 32. Rb4 {(Rb1) [%eval 183,29] [%emt 0:00:39]}
Kc7 {[%eval 176,25] [%emt 0:00:05]} 33. Rb7+ {
(Rb6) [%eval 176,26] [%emt 0:00:04]} Kc8 {(Kc6) [%eval 176,29] [%emt 0:00:30]}
34. Rb6 {[%eval 177,28] [%emt 0:00:20]} Kc7 {[%eval 175,28] [%emt 0:00:16]} 35.
Rb3 {(Rb4) [%eval 176,28] [%emt 0:00:20]} Rf5 {[%eval 101,28] [%emt 0:00:53]}
36. Rb7+ {(Rg3) [%eval 138,28] [%emt 0:00:20]} Kc6 {
[%eval 138,29] [%emt 0:00:23]} 37. Rb4 {(Rb8) [%eval 139,28] [%emt 0:00:21]}
Kc7 {[%eval 139,28] [%emt 0:00:38]} 38. Rb7+ {
(Rg4) [%eval 138,28] [%emt 0:00:18]} Kc6 {[%eval 138,29] [%emt 0:00:18]} 39.
Rb8 {[%eval 138,29] [%emt 0:00:30]} Kc7 {[%eval 137,28] [%emt 0:00:14]} 40. Rb1
{(Re8) [%eval 173,26] [%emt 0:00:29]} Re5 {(Rc5) [%eval 138,22] [%emt 0:00:14]}
41. Rb7+ {(Rb2) [%eval 135,26] [%emt 0:00:13]} Kc8 {
[%eval 137,28] [%emt 0:00:22]} 42. Rf7 {(Rh7) [%eval 138,27] [%emt 0:00:17]}
Kb8 {[%eval 136,28] [%emt 0:00:15]} 43. Rf8+ {[%eval 136,28] [%emt 0:00:09]}
Kc7 {[%eval 111,29] [%emt 0:00:38]} 44. Rg8 {[%eval 60,27] [%emt 0:00:11]} Rd5
{(Rf5) [%eval 58,27] [%emt 0:00:16]} 45. Rh8 {[%eval 59,27] [%emt 0:00:10]} Re5
{[%eval 59,28] [%emt 0:00:10]} 46. Rf8 {(Ra8) [%eval 59,27] [%emt 0:00:12]} Rd5
{(Rc5) [%eval 4,26] [%emt 0:00:30]} 47. Rg8 {[%eval 4,26] [%emt 0:00:21]} Rc5 {
[%eval 5,26] [%emt 0:00:05]} 48. Rf8 {(Rg3) [%eval 5,25] [%emt 0:00:10]} Rd5 {
[%eval 5,25] [%emt 0:00:11]} 49. Rg8 {(Rf6) [%eval 5,25] [%emt 0:00:13]} Re5 {
(Rc5) [%eval 6,26] [%emt 0:00:12]} 50. Ra8 {(Rh8) [%eval 42,25] [%emt 0:00:21]}
Rf5 {(Rh5) [%eval 34,27] [%emt 0:00:29]} 51. Re8 {[%eval 5,19] [%emt 0:00:08]}
Rd5 {[%eval 4,19] [%emt 0:00:19]} 52. Rh8 {(Re2) [%eval 5,25] [%emt 0:00:08]}
Rc5 {[%eval 2,26] [%emt 0:00:08]} 53. Rh4 {(Rh7+) [%eval 1,25] [%emt 0:00:15]}
Kb8 {[%eval 2,25] [%emt 0:00:05]} 54. Rh3 {(Rd4) [%eval 3,26] [%emt 0:00:12]}
Rc6+ {[%eval 2,24] [%emt 0:00:10]} 1/2-1/2



>>
>>Analysis by Shredder 8:
>>
>>1.Bg5 Rfc7 2.Bh4 Qf8 3.Bb3 Nxh5
>>  =  (0.00)   Depth: 1/6   00:00:00
>>  =  (-0.14)   Depth: 5/16   00:00:00
>>1.Rg6 Re7 2.Bxh6 Bxg6 3.hxg6+ Kg8 4.Bb3
>>  =  (-0.13)   Depth: 5/17   00:00:00
>>  =  (0.05)   Depth: 6/17   00:00:00
>>1.Nh2 Qc7 2.Bg4 Nxg4 3.Rxg4 Qc2 4.Qxc2 Bxc2 5.Rg6
>>  =  (0.06)   Depth: 6/20   00:00:00
>>  =  (-0.01)   Depth: 7/19   00:00:01  124kN
>>1.Nh4 Nxd5 2.Nf5 Bxf5 3.Qxd5 Qc7 4.Rg6
>>  =  (0.00)   Depth: 7/20   00:00:01  147kN
>>  ²  (0.34)   Depth: 7/20   00:00:01  154kN
>>1.Bxh6 Bxh6 2.Qxh6+ Kxh6 3.Rg6+ Bxg6 4.Rxg6+ Kxh5 5.Nxe5+ Ng4 6.Bxg4+ Kh4 7.Rh6+
>>Kg5 8.Nxf7+ Kxg4 9.Nxd8 Rxd8 10.Rf6 a4 11.Ke2 a3 12.bxa3 bxa3 13.Ke3 Kg5 14.Re6
>>  ²  (0.35)   Depth: 7/20   00:00:01  167kN
>>  +-  (1.92)   Depth: 17/43   00:02:00  20584kN
>>
>>(Pichard, MyTown 09.05.2004)



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