Hiarcs 12 find a tactical shot Rxg6+ !

[Vinvin]

[d]q3r1k1/5p2/3p1Rp1/np1P2P1/p1pPrQB1/2P5/PP5K/5R2 w - - 0 31

Rxg6!! found in 14 sec in 16 0 game !

From a game played some minutes ago :
[Event "16m + 0s, rated"]
[Site "?"]
[Date "2008.03.30"]
[Round "?"]
[White "Erdo, HIARCS 12 MP."]
[Black "Betty Boop, Rybka 2.3.2a mp"]
[Result "1-0"]
[WhiteElo "2538"]
[BlackElo "2622"]
[PlyCount "87"]
[EventDate "2008.03.30"]
[EventType "rapid"]

1. e4 {B/0 0} c5 {B/0 0} 2. Nc3 {B/0 0} d6 {B/0 0} 3. g3 {B/0 0} e5 {B/0 0} 4.
d3 {B/0 0} Nf6 {B/0 0} 5. h3 {B/0 0} Be7 {B/0 0} 6. Bg2 {B/0 0} O-O {B/0 0} 7.
Nge2 {B/0 0} Nc6 {B/0 0} 8. f4 {B/0 0} Bd7 {B/0 0} 9. O-O {B/0 0} Qb6 {B/0 0}
10. Kh2 {B/0 0} a5 {-0.22/14 54} 11. g4 {-0.12/17 40} exf4 {(Dd8) -0.11/17 19}
12. Nxf4 {0.00/16 31} h6 {(Dd8) -0.15/18 124} 13. Nfd5 {-0.07/16 51} Nxd5 {
-0.10/17 33} 14. Nxd5 {-0.04/17 0} Qd8 {-0.11/17 30} 15. c3 {-0.06/16 0} Bg5 {
(Lh4) -0.10/15 41} 16. Bxg5 {0.01/16 25} hxg5 {(Dxg5) -0.14/15 45} 17. Qd2 {
0.03/15 20} Be6 {(a4) -0.07/15 19} 18. d4 {-0.02/15 31} a4 {(Tc8) 0.00/15 42}
19. Rac1 {0.10/14 29} Re8 {(Tc8) -0.07/13 23} 20. Rf2 {0.06/15 29} Na5 {
-0.04/16 8} 21. Bf1 {0.44/16 19} c4 {0.00/16 18} 22. Bg2 {0.64/18 9} Bxd5 {
0.14/17 36} 23. exd5 {0.71/19 0} b5 {(Tc8) 0.14/18 16} 24. Rcf1 {1.23/18 25}
Ra7 {0.09/17 5} 25. h4 {1.51/17 11} gxh4 {0.36/16 12} 26. g5 {1.51/16 0} h3 {
0.65/17 26} 27. Bxh3 {2.23/17 0} g6 {1.28/18 32} 28. Rf6 {2.75/16 16} Rae7 {
1.30/18 6} 29. Bg4 {2.96/16 12} Qa8 {(Kg7) 1.72/15 11} 30. Qf4 {4.66/15 33} Re4
{(Dxd5) 2.99/19 38} 31. Rxg6+ {22.14/16 14} fxg6 {2.75/18 0} 32. Qf7+ {
#22/18 43} Kh8 {10.74/19 0} 33. Qf6+ {#15/17 15} Kh7 {11.19/18 22} 34. Bf5 {
#14/17 0} Rh4+ {10.60/14 6} 35. Kg3 {#13/17 0} Rg8 {(Te3+) 10.74/14 4} 36. Kxh4
{#9/17 10} Qxd5 {11.60/16 4} 37. Re1 {#8/15 0} Nc6 {14.32/11 8} 38. Kg3 {
#7/13 0} Rg7 {(a3) #13/8 1} 39. Be6 {#6/11 0} Ne7 {#12/6 0} 40. Bxd5 {#5/9 0}
Nf5+ {#8/5 0} 41. Kf4 {#4/7 0} Ng3 {(Sh4) #3/3 0} 42. Kxg3 {#3/5 0} Rf7 {#2/3 0
} 43. Bxf7 {#2/3 0} d5 {#1/3 0} 44. Rh1# {(Lag: Av=0.14s, max=0.6s) #1/1 0} 1-0

[Martin Thoresen]

Bright 0.3b needed 3 seconds


q3r1k1/5p2/3p1Rp1/np1P2P1/p1pPrQB1/2P5/PP5K/5R2 w - - 0 1

Analysis by Bright 0.3b 4CPU (@ 3.4 GHz)

31.Rxd6 Rxf4 32.Rxf4
-+ (-3.93) Depth: 1/3 00:00:00
31.Qxd6 Rxg4 32.Rxf7 Rxg5
-+ (-1.41) Depth: 1/4 00:00:00
31.Qg3 Qxd5 32.Rxf7 Qxg5
= (0.05) Depth: 1/6 00:00:00
31.Qg3 Qxd5 32.Rxf7 Qxg5
= (0.05) Depth: 2/14 00:00:00
31.Qg3 Qxd5 32.Rxf7 Qxg5
= (0.05) Depth: 3/14 00:00:00
31.Qg3 Qxd5 32.Rxf7 Qxf7 33.Rxf7 Kxf7
= (0.18) Depth: 4/14 00:00:00
31.Qg3 Qxd5 32.Bf3 Re2+ 33.Kh3 R8e4 34.Bxe2 Rxe2 35.Rxf7 Rxb2
± (0.98) Depth: 5/23 00:00:00
31.Qg3 Qxd5 32.Bf3 Re2+ 33.Kh3 R8e4 34.Bxe2 Rxe2 35.Rxf7 Rxb2
± (0.98) Depth: 6/23 00:00:00 41kN
31.Qg3 Qxd5 32.Bf3 Re2+ 33.Kh3 R8e4 34.Bxe2 Rxe2 35.Rxf7 Rxb2
± (0.98) Depth: 7/36 00:00:00 103kN
31.Qg3 Qxd5 32.Bf3 Re2+ 33.Kh3 R8e4 34.Bxe4 Qxe4 35.Qxd6 Qg2+ 36.Kh4 Qh2+ 37.Qxh2 Rxh2+ 38.Kg4 Rxb2
± (1.32) Depth: 8/36 00:00:00 245kN
31.Qg3 Qxd5 32.Bf3 R8e7 33.Rxd6 Qb7 34.Bxe4 Qxe4 35.Rdf6 Qe2+ 36.Qf2
+- (1.57) Depth: 9/36 00:00:00 749kN
31.Qxd6 Qb8 32.Qxb8 Rxb8 33.Kg3 a3 34.bxa3 Re3+ 35.R6f3 Rbe8 36.d6
+- (1.96) Depth: 9/52 00:00:00 3881kN
31.Qxd6 Qb8 32.Qxb8 Rxb8 33.Kg3 Re7 34.d6 Re3+ 35.R1f3 Rxf3+ 36.Bxf3 b4 37.Kf4 bxc3 38.bxc3
+- (2.27) Depth: 10/52 00:00:00 4180kN
31.Qxd6 Qb8 32.Qxb8 Rxb8 33.Kg3 Re7 34.d6 Re3+ 35.R1f3 Rxf3+ 36.Bxf3 b4 37.Kf4 bxc3 38.bxc3
+- (2.27) Depth: 11/52 00:00:01 5867kN
31.Qxd6 Qb8 32.Qxb8 Rxb8 33.Kg3 Re3+ 34.Kf4 Rd3 35.Ra6 Nb7 36.Bd7 Rd2 37.Bxb5 Rxb2 38.Bxc4
+- (2.33) Depth: 12/52 00:00:01 8610kN
31.Rxg6+ fxg6 32.Qf7+ Kh8 33.Qf6+ Kh7 34.Bf5 Rh4+ 35.Kg3 Re3+ 36.Kxh4 Qe8 37.Bb1 a3 38.Kg4 Kg8 39.Bxg6 Qd7+ 40.Bf5
+- (2.83) Depth: 12/52 00:00:03 27083kN
31.Rxg6+ fxg6 32.Qf7+ Kh8 33.Qf6+ Kh7 34.Bf5 Rh4+ 35.Kg3 Re3+ 36.Kxh4 Qe8 37.Be6 Rxe6 38.Qf7+ Qxf7 39.Rxf7+ Kg8 40.dxe6 Nc6 41.Kg4 b4 42.Kf4
+- (5.22) Depth: 13/52 00:00:05 39295kN
31.Rxg6+ fxg6 32.Qf7+ Kh8 33.Qf6+ Kh7 34.Bf5 Rh4+ 35.Kg3 Rg8 36.Re1 Rg7 37.Bxg6+ Kg8 38.Kxh4 b4 39.cxb4 a3 40.bxa3 c3 41.Re8+ Qxe8 42.Bxe8
+- (7.61) Depth: 14/56 00:00:08 58195kN

[Vinvin]

Bright is very fast for tactic, other engines are way slower here !

[Ignacio]

On my Quad, Rybka 2.1d3 (very pessimistic, contempt 60) finds mate in 17

Rybka v2.1d3.mp.w32:
8 00:00 183.044 399.652 +1,33 Qf4g3 Re8e7 Bg4e6 Re4e2+ Kh2g1 f7xe6 Qg3f3
9 00:01 373.020 407.654 +1,40 Qf4g3 Re4e7 Qg3xd6 Na5b7 Qd6c6 Qa8b8+ Kh2g2 Nb7a5
10 00:01 478.960 402.672 +1,56 Qf4g3 Re4e7 Qg3xd6 Na5b7 Qd6c6 Qa8b8+ Kh2g2 Nb7a5 Qc6a6
11 00:01 638.232 398.748 +1,48 Qf4g3 Re4e7 Qg3xd6 Na5b7 Qd6c6 Qa8b8+ Kh2g2 Nb7a5 Qc6a6 Re7a7
12 00:02 887.172 401.442 +1,46 Qf4g3 Re4e7 Qg3xd6 Na5b7 Qd6c6 Qa8b8+ Kh2g2 Nb7a5 Qc6a6 Re7a7 Qa6b6
12 00:05 2.039.996 443.232 +1,78 Qf4xd6 Qa8b8 Qd6xb8 Re8xb8 Kh2g3 Re4e3+ Rf1f3 Re3xf3+ Bg4xf3 b5b4 Rf6a6 b4xc3 b2xc3 Rb8b5
13 00:06 2.755.688 450.986 +2,12 Qf4xd6 Qa8b8 Qd6xb8 Re8xb8 Kh2g3 Re4e3+ Kg3g2 Re3e4 Kg2f3 Re4e8 d5d6 Rb8b6 d6d7 Rb6xf6+
14 00:07 3.010.324 452.056 +2,08 Qf4xd6 Qa8b8 Qd6xb8 Re8xb8 Kh2g3 Re4e3+ Kg3g2 Re3e4 Kg2f3 Re4e8 d5d6 Rb8b6 d6d7 Rb6xf6+
15 00:08 3.648.260 452.607 +2,03 Qf4xd6 Qa8b8 Qd6xb8 Re8xb8 Kh2g3 Re4e3+ Kg3g2 Na5b7 Rf6xf7 Nb7d8 Rf7f6 Kg8g7 a2a3 Re3d3
16 00:12 5.575.088 460.283 +2,20 Qf4xd6 Qa8b8 Qd6xb8 Re8xb8 Kh2g3 Re4e3+ Kg3g2 Re3e4 Bg4f3 Re4e3 d5d6 Na5b7 Bf3d5 Nb7d8
17 00:17 7.558.664 458.507 +2,20 Qf4xd6 Qa8b8 Qd6xb8 Re8xb8 Kh2g3 Re4e3+ Kg3g2 Na5b7 Rf6xf7 Nb7d8 Rf7f8+ Kg8g7 a2a3 Re3e4
18 00:31 14.059.608 467.026 +2,33 Qf4xd6 Qa8b8 Qd6xb8 Re8xb8 Kh2g3 Re4e3+ Kg3h4 Na5b7 Rf6xf7 Nb7d6 Rf7c7 Nd6f5+ Bg4xf5 g6xf5
19 00:44 19.864.588 464.011 +2,33 Qf4xd6 Qa8b8 Qd6xb8 Re8xb8 Kh2g3 Re4e3+ Kg3h4 Na5b7 Rf6xf7 Nb7d6 Rf7c7 Nd6f5+ Bg4xf5 g6xf5
20 01:12 32.242.120 455.719 +2,33 Qf4xd6 Qa8b8 Qd6xb8 Re8xb8 Kh2g3 Re4e3+ Kg3h4 Na5b7 Rf6xf7 Nb7d6 Rf7c7 Nd6f5+ Bg4xf5 g6xf5
20 02:02 56.059.704 470.075 +M17 Rf6xg6+ f7xg6 Qf4f7+ Kg8h8 Qf7f6+ Kh8h7 Bg4f5 Re4h4+ Kh2g3 Re8e3+ Kg3xh4 Qa8e8 Bf5e6 Re3e2 Kh4g3 Re2e3+ Kg3f4 Re3h3 Be6xh3 Qe8e2 Qf6f7+ Kh7h8 Qf7f8+ Kh8h7 Qf8h6+ Kh7g8 Bh3e6+ Qe2xe6 d5xe6 Na5b7 Qh6xg6+ Kg8h8 Rf1h1+
21 02:11 60.495.028 471.602 +M17 Rf6xg6+ f7xg6 Qf4f7+ Kg8h8 Qf7f6+ Kh8h7 Bg4f5 Re4h4+ Kh2g3 Re8e3+ Kg3xh4 Qa8e8 Bf5e6 Re3e2 Kh4g3 Re2e3+ Kg3f4 Re3h3 Be6xh3 Qe8e2 Qf6f7+ Kh7h8 Qf7f8+ Kh8h7 Qf8h6+ Kh7g8 Bh3e6+ Qe2xe6 d5xe6 Na5b7 Qh6xg6+ Kg8h8 Rf1h1+

Regards,
Ignacio.

[Spock]

Bright 0.3b needed 3 seconds

Very nice Bright !