nice sac by Spike

[jdart]

from one of Graham Banks' tournaments (http://talkchess.com/forum/viewtopic.ph ... 24&t=30075):

[D] 3r1rk1/1pp1qpb1/1P4pp/p3nbn1/N1P1p3/PQ2P2P/1B1NBPP1/3R1R1K b - -

bm Nxh3.

The complete game:
[Event "Round Robin"]
[Site "ChessGUI"]
[Date "2009.10.22"]
[Round "1"]
[White "E.T.Chess 13.01.08"]
[Black "Spike 1.2 Turin"]
[Result "0-1"]
[PlyCount "87"]
[EventDate "2009.??.??"]
[TimeControl "40/2280:40/2280:40/2280"]

{Unknown Hardware} 1. c4 {[%eval 0,1] [%emt 0:00:00]} e5 {
[%eval 0,1] [%emt 0:00:00]} 2. Nc3 {[%eval 0,1] [%emt 0:00:00]} Nf6 {
[%eval 0,1] [%emt 0:00:00]} 3. Nf3 {[%eval 0,1] [%emt 0:00:00]} Nc6 {
[%eval 0,1] [%emt 0:00:00]} 4. a3 {[%eval 0,1] [%emt 0:00:00]} g6 {
[%eval 0,1] [%emt 0:00:00]} 5. e3 {[%eval 0,1] [%emt 0:00:00]} Bg7 {
[%eval 0,1] [%emt 0:00:00]} 6. d4 {[%eval 0,1] [%emt 0:00:00]} d6 {
[%eval 0,1] [%emt 0:00:00]} 7. Be2 {[%eval 0,1] [%emt 0:00:00]} O-O {
[%eval 0,1] [%emt 0:00:00]} 8. O-O {[%eval 0,1] [%emt 0:00:00]} h6 {
[%eval 0,1] [%emt 0:00:00]} 9. b4 {[%eval 0,1] [%emt 0:00:00]} a6 {
[%eval 0,1] [%emt 0:00:00]} 10. dxe5 {[%eval 0,1] [%emt 0:00:00]} dxe5 {
[%eval 0,1] [%emt 0:00:00]} 11. Bb2 {[%eval 0,1] [%emt 0:00:00]} e4 {
[%eval 0,1] [%emt 0:00:00]} 12. Nd2 {[%eval 0,1] [%emt 0:00:00]} Bf5 {
[%eval 0,1] [%emt 0:00:00]} 13. Qc2 {[%eval 31,13] [%emt 0:01:11]} Qe7 {
[%eval -83,15] [%emt 0:01:17]} 14. h3 {[%eval 33,12] [%emt 0:01:09]} a5 {
[%eval -59,15] [%emt 0:02:26]} 15. b5 {[%eval 62,14] [%emt 0:01:11]} Ne5 {
[%eval -32,15] [%emt 0:01:11]} 16. Rad1 {[%eval 3,14] [%emt 0:04:45]} Rae8 {
[%eval -55,15] [%emt 0:03:17]} 17. Qb3 {[%eval 37,11] [%emt 0:00:44]} Rd8 {
[%eval -14,15] [%emt 0:01:09]} 18. Na4 {[%eval 25,11] [%emt 0:01:02]} Nh7 {
[%eval 0,14] [%emt 0:01:10]} 19. b6 {[%eval 12,11] [%emt 0:01:04]} Ng5 {
[%eval 26,13] [%emt 0:01:07]} 20. Kh1 {[%eval -23,10] [%emt 0:00:45]} Nxh3 {
[%eval 252,13] [%emt 0:01:03]} 21. g3 {[%eval -212,11] [%emt 0:01:56]} Nd3 {
[%eval 237,13] [%emt 0:01:08]} 22. Kg2 {[%eval -216,12] [%emt 0:01:03]} Nxb2 {
[%eval 311,14] [%emt 0:01:09]} 23. Nxb2 {[%eval -235,12] [%emt 0:00:31]} Ng5 {
[%eval 305,15] [%emt 0:02:34]} 24. Rh1 {[%eval -233,13] [%emt 0:00:54]} c6 {
[%eval 285,15] [%emt 0:02:43]} 25. Na4 {[%eval -216,13] [%emt 0:00:46]} Qe6 {
[%eval 287,15] [%emt 0:01:27]} 26. Qc2 {[%eval -225,13] [%emt 0:01:06]} Bh3+ {
[%eval 277,15] [%emt 0:00:57]} 27. Kg1 {[%eval -245,14] [%emt 0:00:55]} Qf5 {
[%eval 274,15] [%emt 0:01:01]} 28. Rh2 {[%eval -221,12] [%emt 0:00:52]} Rfe8 {
[%eval 313,15] [%emt 0:01:10]} 29. Nb3 {[%eval -219,13] [%emt 0:01:07]} Bg4 {
[%eval 369,16] [%emt 0:01:00]} 30. Kf1 {[%eval -312,14] [%emt 0:01:34]} Bxe2+ {
[%eval 408,15] [%emt 0:00:49]} 31. Qxe2 {[%eval -227,13] [%emt 0:00:32]} Rd3 {
[%eval 408,17] [%emt 0:00:58]} 32. Nac5 {[%eval -307,14] [%emt 0:01:07]} a4 {
[%eval 426,17] [%emt 0:01:00]} 33. Nxd3 {[%eval -319,16] [%emt 0:01:08]} exd3 {
[%eval 388,18] [%emt 0:01:24]} 34. Qxd3 {[%eval -351,16] [%emt 0:00:27]} Qxd3+
{[%eval 364,17] [%emt 0:01:04]} 35. Rxd3 {[%eval -352,18] [%emt 0:00:40]} axb3
{[%eval 435,20] [%emt 0:01:01]} 36. Rxb3 {[%eval -397,18] [%emt 0:00:45]} Nf3 {
[%eval 447,21] [%emt 0:01:08]} 37. Kg2 {[%eval -443,20] [%emt 0:01:44]} Nxh2 {
[%eval 468,20] [%emt 0:00:41]} 38. Kxh2 {[%eval -445,19] [%emt 0:00:55]} Ra8 {
[%eval 507,19] [%emt 0:00:47]} 39. Rd3 {[%eval -457,18] [%emt 0:02:38]} Ra6 {
[%eval 525,18] [%emt 0:00:54]} 40. a4 {[%eval -460,18] [%emt 0:03:31]} Rxb6 {
[%eval 554,18] [%emt 0:00:39]} 41. a5 {[%eval -479,17] [%emt 0:00:59]} Ra6 {
[%eval 555,18] [%emt 0:00:56]} 42. Rd7 {[%eval -501,16] [%emt 0:00:40]} Rxa5 {
[%eval 561,18] [%emt 0:01:24]} 43. Rxb7 {[%eval -501,17] [%emt 0:00:54]} Ra4 {
[%eval 569,18] [%emt 0:01:23]} 44. c5 {[%eval -513,17] [%emt 0:00:55]} 0-1

[yanquis1972]

Analysis by HIARCS 12.1 SP:

1...cxb6
-/+ (-0.81) Depth: 8/24 00:00:00 231kN
1...cxb6 2.Rg1 Bxh3 3.gxh3 Nxh3 4.Rgf1
-/+ (-0.81) Depth: 8/24 00:00:00 305kN
1...cxb6
-/+ (-1.06) Depth: 9/28 00:00:01 436kN
1...cxb6 2.Nxb6 Nxh3 3.Nd5 Qh4 4.g3 Nxf2+ 5.Kg2
-/+ (-1.09) Depth: 9/31 00:00:01 568kN
1...cxb6 2.Nxb6 Nxh3 3.Nd5 Qh4 4.g3 Qg5 5.Kg2 b5 6.Rh1 bxc4 7.Nxc4
-/+ (-0.85) Depth: 10/34 00:00:01 853kN
1...cxb6 2.Nxb6 Nxh3 3.Nd5 Qh4 4.g3 Qg5 5.Kg2 b5 6.Rh1 bxc4 7.Nxc4 Nd3 8.Bxg7 Kxg7 9.Bxd3 exd3 10.Qc3+ f6 11.Nf4 Nxf4+ 12.exf4
-/+ (-0.85) Depth: 11/34 00:00:03 1557kN
1...Nxh3
-/+ (-0.85) Depth: 11/34 00:00:04 1919kN
1...Nxh3
-/+ (-1.10) Depth: 11/34 00:00:05 2390kN
1...Nxh3 2.g3 cxb6 3.Qxb6 Ng4 4.Kg2 Bxb2 5.Nxb2 Rd6 6.Qa7 Qe5 7.Qxb7 Rfd8
-+ (-2.07) Depth: 11/44 00:00:27 12942kN
1...Nxh3 2.g3 cxb6 3.Bd4 Nd3 4.Bxd3 Bxd4 5.exd4 exd3 6.d5 b5 7.Qxb5 Qe2 8.Qb6 Ng5 9.Nc3 Qg4
-+ (-2.15) Depth: 12/44 00:00:32 15047kN
1...Nxh3 2.g3 Ng5 3.Bd4 Bh3 4.Bc5 Qd7
-+ (-2.09) Depth: 13/44 00:00:50 21982kN

[jdart]

That's very impressive.

Arasan, latest build, on a quad:

"E.T.Chess - Spike Turin, G. Banks 2009" bm Nxh3
0 0.00 c5 +0.20 4
0 0.00 Nd3 +0.24 81
1 0.00 Nd3 +0.24 486
2 0.00 Nd3 -0.16 2369
2 0.01 f6 +0.00 4291
2 0.01 cxb6 +0.08 6268
3 0.01 cxb6 +0.00 7425
4 0.03 cxb6 +0.12 21240
5 0.06 cxb6 +0.03 35594
6 0.25 cxb6 -0.32 161707
6 0.30 Bf6 -0.31 267900
6 0.37 Nc6 +0.04 419052
7 0.53 Nc6 -0.24 641790
7 0.70 Rfe8 -0.12 1016471
7 0.76 cxb6 +0.16 1151496
8 1.00 cxb6 +0.00 1568259
8 1.41 c6 +0.36 2281091
9 1.53 c6 +0.25 2536962
10 2.12 c6 +0.61 3654197
11 3.81 c6 +0.62 6856601
12 5.44 c6 +0.83 10471740
12 14.95 cxb6 +1.00 28591172
13 20.70 cxb6 +1.00 40588356
13 42.55 Nxh3 +1.49 85505645

nodes to solution : 85.51M
time to solution : 42.55 sec.