Testposition (tactics)

[Edward German]

Morozevich, 1...Nd3+, Wijk aan Zee 2001:

[d]2kr1b2/pp1q1B1p/5p2/2p1nN2/P7/1QB1P3/1P3PrP/R3K2R b KQ -

Engine: Xxxxxxxxx 0.085c3 w32 (CPU 2.66 GHz, Hash 256 MB):

(New Fixed-Version)

14/36 0:01 -0.72 1...Sxf7 2.Sh4 Tg4 3.Sf3 Sg5 4.Sxg5 fxg5
5.h3 Te4 6.a5 Kb8 7.a6 b6 8.Td1 Ld6
9.Tg1 c4 (1.479.330) 1052

14/36 0:01 -0.58 1...Sxf7 2.Sh4 Tg4 3.Sf3 Sg5 4.Sxg5 fxg5
5.h3 Te4 6.a5 Kb8 7.a6 b6 8.Td1 Ld6
9.Tg1 c4 (1.527.912) 1051

15/37 0:01 -0.66 1...Sxf7 2.Sh4 Tg4 3.Sf3 Sg5 4.Sxg5 fxg5
5.h3 Te4 6.a5 Kb8 7.a6 b6 8.Td1 Ld6
9.Tg1 c4 (2.140.250) 1078

15/37 0:02 -0.74 1...Sxf7 2.Sh4 Tg4 3.Sf3 Sg5 4.Sxg5 fxg5
5.h3 Dc6 6.Tf1 Th4 7.Df7 Kb8 8.Lf6 Dd5
9.Dxd5 Txd5 (2.780.654) 1053

15/40 0:05 -0.64 1...Sxf7 2.Dc2 Dc6 3.Ke2 Kb8 4.Tad1 Txd1
5.Txd1 Txh2 6.Tg1 Th3 7.Kf1 Sg5
8.Dd1 Sf3 9.Dd8+ Dc8 10.Dxc8+ Kxc8
11.Tg8 (5.382.683) 1031

16/40 0:08 -0.62 1...Sxf7 2.Dc2 Dc6 3.Ke2 Kb8 4.Tad1 Txd1
5.Txd1 Txh2 6.Tg1 Th3 7.Kf1 Th1
8.Txh1 Dxh1+ 9.Ke2 Dc6 10.Dd1 De6
11.Dd3 h5 (8.444.276) 1039

17/41 0:12 -0.62 1...Sxf7 2.Dc2 Dc6 3.Ke2 Kb8 4.Tad1 Txd1
5.Txd1 Txh2 6.Tg1 Th3 7.Kf1 Th1
8.Txh1 Dxh1+ 9.Ke2 Dc6 10.Dd1 De6
11.Dd3 h5 (13.117.797) 1053

18/47 0:18 -0.70 1...Sxf7 2.Dc2 Dc6 3.Ke2 Kb8 4.Tad1 Txd1
5.Txd1 Txh2 6.Tg1 Th3 7.Kf1 Th1
8.Txh1 Dxh1+ 9.Ke2 Dc6 10.f3 De6
11.Kf2 Se5 12.Lxe5+ fxe5 (19.895.413) 1061

18/47 0:24 -0.63 1...Sxf7 2.Dc2 Dc6 3.Ke2 Kb8 4.Tad1 Te8
5.Tdg1 Txg1 6.Txg1 Sg5 7.Tg3 h5 8.a5 Se4
9.Tf3 c4 10.Sd4 Dc7 11.Da4 Te5
12.Tf4 a6 (25.626.401) 1062

19/57 1:12 -0.71 1...Sd3+ 2.Kd1 Se5+ 3.Ke1 Sxf7 4.Sh4 Tg4
5.Lxf6 Dd2+ 6.Kf1 (78.092.489) 1080

19/58 1:18 -0.79 1...Sd3+ 2.Kd1 Se5+ 3.Ke1 Sxf7 4.Sh4 Tg4
5.Lxf6 Dd2+ 6.Kf1 (84.693.222) 1080

19/59 1:24 -0.91 1...Sd3+ 2.Kd1 Se5+ 3.Ke1 Sxf7 4.Sh4 Tg4
5.Lxf6 Dd2+ 6.Kf1 (91.204.761) 1078

19/59 1:30 -1.09 1...Sd3+ 2.Kd1 Se5+ 3.Ke1 Sxf7 4.Sh4 Tg4
5.Lxf6 Dd2+ 6.Kf1 (97.376.770) 1077

Bester Zug: Se5-d3 Zeit: 1:30.547 min K/s: 1.077.000 Knoten: 97.376.770

1:12 Minutes only on 1-Core with 2.66 GHz. Not bad with 32-Bit only.

[Alexander Schmidt]

Analysis by Turing:

1...Kb8
µ (-0.90) Tiefe: 1 00:00:00
1...Dc6
µ (-1.20) Tiefe: 1 00:00:00
1...Dxf5
-+ (-2.90) Tiefe: 1 00:00:00
1...Sxf7
± (0.80) Tiefe: 1 00:00:00
1...Sxf7 2.Sh4
± (0.80) Tiefe: 2 00:00:00
1...Sxf7 2.Sh4 c4 3.Dxc4+
± (0.80) Tiefe: 3 00:00:01
1...Sxf7 2.Sh4 c4 3.Dxc4+
± (0.80) Tiefe: 4 00:00:03
1...Sd3+ 2.Kd2 Sxf2+ 3.Sd6+ Lxd6
³ (-0.60) Tiefe: 4 00:00:22
1...Sd3+ 2.Kd2 Sxf2+ 3.Sd6+ Lxd6
³ (-0.60) Tiefe: 5 00:00:29

[Anton]

Sweetleaf_711 finds it in 1/100 of a second

2kr1b2/pp1q1B1p/5p2/2p1nN2/P7/1QB1P3/1P3PrP/R3K2R b KQ -


1 0 112 33 d7f5
2 0 904 28 d7f5 f7e6
3 1 7446 139 e5d3 e1e2 g2f2 e2d1 d7f5 (nps=496400).
4 9 44089 129 e5d3 e1f1 g2f2 f1g1 d7f5 a1d1 (nps=484494).
5 62 330218 133 e5d3 e1f1 g2f2 f1g1 f2f5 a1d1 f8g7 (nps=530044).
6 643 3255367 -33 e5d3 e1f1 g2f2 f1g1 f2f5 f7e6 f5g5 g1f1 g5f5 e6f5 d7f5 (nps=505805).
7 4323 21413762 -33 e5d3 e1f1 g2f2 f1g1 f2f5 f7e6 f5g5 g1f1 g5f5 e6f5 d7f5 (nps=495310).
>>e5d3
Time: 43233 ms. Total_Nodes = 21413762. Nodes per second = 495310.