Test Position from my 1+0 Online Game!!

[Swaminathan]

r1bqr1k1/pp3pb1/2pBp2p/4P1pP/2P1Q3/1P3RP1/5PB1/5RK1 w - - 0 22

Rxf7!!

I'm delighted to have found this beautiful move in perhaps few seconds -- especially in a 1+0 friendly game!!

I have tried several strong engines in Q6600 2.4 GHZ 32 bits, none of them found it after bit of time I had waited.

[Event "Friendly Game, 1m + 0s"]
[Site "Café"]
[White "Swaminathan"]
[Black "Guest193540"]
[Result "1-0"]
[TimeControl "60"]

1. d4 {1} c6 {2} 2. Nf3 {1} d5 {0} 3. g3 {0} Nf6 {0} 4. Bg2 {1} g6 {0} 5. O-O {
1} Bg7 {0} 6. c4 {1} Kf8 {0} 7. b3 {1} Kg8 {1} 8. Ba3 {1} h6 {0} 9. Nc3 {2} e6
{2} 10. Rc1 {1} Nbd7 {1} 11. Qd3 {2} Kh7 {2} 12. e4 {0} dxe4 {0} 13. Nxe4 {0}
Nxe4 {0} 14. Qxe4 {0} Re8 {1} 15. Ne5 {4} Nxe5 {3} 16. dxe5 {1} Qa5 {0} 17. Bd6
{5} Qxa2 {8} 18. Rc3 {1} Qa5 {2} 19. Rf3 {1} Kg8 {8} 20. h4 {1} Qd8 {2} 21. h5
{2} g5 {2} 22. Rxf7 {11} Kxf7 {2} 23. Qg6+ {0} Kg8 {1} 24. f4 {0} gxf4 {3} 25.
Rxf4 {3} Qd7 {3} 26. Be4 {Guest193540 resigns (Lag: Av=0.51s, max=0.7s) 4}
1-0

[Swaminathan]

Spark found it in an instant!
Critter 0.80 found it in 24 seconds
Hannibal 1.0 found it in 2 minutes 38 seconds
Gull 1.0 found it in 2 minutes and 59 seconds

Komodo and Stockfish (1CPU) haven't found it in 5 minutes of waiting:

FEN: r1bqr1k1/pp3pb1/2pBp2p/4P1pP/2P1Q3/1P3RP1/5PB1/5RK1 w - - 0 22

Code: Select all

Komodo-12-32-ja:
   1	00:00	         280	28.000	+1.23	Rf1d1
   2	00:00	         376	37.600	+1.19	Rf1d1 Bc8d7
   3	00:00	         512	32.768	+1.14	Rf1d1 Bc8d7 Rf3d3
   4	00:00	         746	47.744	+1.10	Rf1d1 Bc8d7 Rf3d3 Qd8b6
   5	00:00	       1.227	78.528	+1.02	Rf1d1 Bc8d7 Bd6c5 Qd8c7 Rf3d3
   5	00:00	       1.286	82.304	+1.02	Rf1d1 Bc8d7 Bd6c5 Qd8c7 Rf3d3
   6	00:00	       2.118	135.552	+1.08	Rf1d1 Bc8d7 b3b4 Qd8b6 Bd6c5 Qb6c7
   6	00:00	       2.179	139.456	+1.08	Rf1d1 Bc8d7 b3b4 Qd8b6 Bd6c5 Qb6c7
   7	00:00	       9.194	294.208	+1.04	Rf1d1 Re8e7 Rf3d3 Re7d7 Bg2f3 Kg8h8 Rd3d4
   7	00:00	       9.257	296.224	+1.04	Rf1d1 Re8e7 Rf3d3 Re7d7 Bg2f3 Kg8h8 Rd3d4
   8	00:00	      15.357	491.424	+1.10	Rf1d1 Re8e7 Rf3c3 Re7d7 Rc3d3 Kg8h8 Bg2f3 Qd8b6
   8	00:00	      15.497	495.904	+1.10	Rf1d1 Re8e7 Rf3c3 Re7d7 Rc3d3 Kg8h8 Bg2f3 Qd8b6
   9	00:00	      38.394	614.304	+0.96	Rf1d1 Re8e7 Rf3d3 Re7d7 Rd1d2 Kg8h8 Rd3d4 a7a5 Rd2d1
   9	00:00	      71.447	571.576	+0.96	Rf1d1 Re8e7 Rf3d3 Re7d7 Rd1d2 Kg8h8 Rd3d4 a7a5 Rd2d1
  10	00:00	     143.056	572.224	+0.99	Rf1d1 Re8e7 Rf3d3 Re7d7 Rd3d4 Kg8h8 Rd4d2 Qd8b6 b3b4 a7a5 Bd6c5 Rd7xd2 Rd1xd2
  10	00:00	     367.299	587.678	+1.54	Rf1e1 b7b6 Qe4xc6 Bc8d7 Qc6e4 Ra8c8 Qe4b7 b6b5 c4c5 g5g4 Rf3d3 Qd8a5 Qb7e4
  10	00:00	     370.334	592.534	+1.54	Rf1e1 b7b6 Qe4xc6 Bc8d7 Qc6e4 Ra8c8 Qe4b7 b6b5 c4c5 g5g4 Rf3d3 Qd8a5 Qb7e4
  11	00:00	     479.693	590.391	+1.47	Rf1e1 g5g4 Qe4xg4 Qd8g5 Qg4xg5 h6xg5 Rf3d3 a7a5 Re1a1 Re8d8 Bg2e4 Bc8d7 Ra1d1
  11	00:00	     484.837	596.722	+1.47	Rf1e1 g5g4 Qe4xg4 Qd8g5 Qg4xg5 h6xg5 Rf3d3 a7a5 Re1a1 Re8d8 Bg2e4 Bc8d7 Ra1d1
  12	00:00	     541.545	597.566	+1.51	Rf1e1 g5g4 Qe4xg4 Qd8g5 Qg4xg5 h6xg5 Rf3d3 a7a5 Re1a1 Re8d8 Bg2e4 g5g4 Kg1g2 Bg7h6 f2f3 g4xf3+ Rd3xf3
  12	00:00	     554.422	591.383	+1.51	Rf1e1 g5g4 Qe4xg4 Qd8g5 Qg4xg5 h6xg5 Rf3d3 a7a5 Re1a1 Re8d8 Bg2e4 g5g4 Kg1g2 Bg7h6 f2f3 g4xf3+ Rd3xf3
  13	00:01	     859.833	625.333	+1.49	Rf1e1 g5g4 Qe4xg4 Qd8g5 Qg4xg5 h6xg5 Rf3e3 a7a5 Re1a1 Kg8h7 Bg2f3 Kh7h6 Bd6c7 a5a4 b3xa4 Re8e7 Bc7d6 Re7d7
  13	00:01	     872.631	627.509	+1.49	Rf1e1 g5g4 Qe4xg4 Qd8g5 Qg4xg5 h6xg5 Rf3e3 a7a5 Re1a1 Kg8h7 Bg2f3 Kh7h6 Bd6c7 a5a4 b3xa4 Re8e7 Bc7d6 Re7d7
  14	00:02	   1.516.067	655.596	+1.51	Rf1e1 g5g4 Qe4xg4 Qd8g5 Qg4xg5 h6xg5 Rf3e3 a7a6 Bg2f3 a6a5 Kg1g2 Bg7h6 Bf3e4 g5g4 f2f4 g4xf3/ep+ Re3xf3 Bc8d7
  14	00:02	   1.534.475	654.709	+1.51	Rf1e1 g5g4 Qe4xg4 Qd8g5 Qg4xg5 h6xg5 Rf3e3 a7a6 Bg2f3 a6a5 Kg1g2 Bg7h6 Bf3e4 g5g4 f2f4 g4xf3/ep+ Re3xf3 Bc8d7
  15	00:02	   1.852.007	658.491	+1.56	Rf1e1 g5g4 Qe4xg4 Qd8g5 Qg4xg5 h6xg5 Rf3e3 a7a6 Bg2f3 a6a5 Kg1g2 Bg7h6 Bf3e4 g5g4 Re3d3 Kg8g7 Rd3d4 Bh6g5 Re1d1 a5a4 Rd1a1 Kg7h6
  15	00:02	   1.882.433	654.759	+1.56	Rf1e1 g5g4 Qe4xg4 Qd8g5 Qg4xg5 h6xg5 Rf3e3 a7a6 Bg2f3 a6a5 Kg1g2 Bg7h6 Bf3e4 g5g4 Re3d3 Kg8g7 Rd3d4 Bh6g5 Re1d1 a5a4 Rd1a1 Kg7h6
  16	00:11	   7.701.015	669.653	+1.67	Rf1e1 Re8e7 Bd6xe7 Qd8xe7 Rf3d3 Bc8d7 c4c5 Bd7e8 Rd3d6 Qe7c7 f2f4 g5xf4 Qe4xf4 b7b6 b3b4 Bg7f8 Bg2e4 b6xc5 Qf4g4+ Kg8h8 b4xc5 Bf8xd6 c5xd6
  16	00:11	   7.741.766	669.558	+1.67	Rf1e1 Re8e7 Bd6xe7 Qd8xe7 Rf3d3 Bc8d7 c4c5 Bd7e8 Rd3d6 Qe7c7 f2f4 g5xf4 Qe4xf4 b7b6 b3b4 Bg7f8 Bg2e4 b6xc5 Qf4g4+ Kg8h8 b4xc5 Bf8xd6 c5xd6
  17	00:17	  11.320.610	658.653	+1.89	Rf1e1 Re8e7 Bg2f1 Re7d7 Bf1d3 Rd7xd6 Qe4h7+ Kg8f8 e5xd6 g5g4 Rf3f4 Qd8a5 Re1d1 e6e5 Rf4e4 Qa5a3 Bd3e2 Bc8e6 Be2xg4 Qa3xb3 Bg4e2 Ra8d8 Re4e3 Qb3b4
  17	00:17	  11.342.865	658.750	+1.89	Rf1e1 Re8e7 Bg2f1 Re7d7 Bf1d3 Rd7xd6 Qe4h7+ Kg8f8 e5xd6 g5g4 Rf3f4 Qd8a5 Re1d1 e6e5 Rf4e4 Qa5a3 Bd3e2 Bc8e6 Be2xg4 Qa3xb3 Bg4e2 Ra8d8 Re4e3 Qb3b4
  18	00:27	  17.804.033	640.145	+1.92	Rf1e1 g5g4 Qe4xg4 Qd8g5 Qg4xg5 h6xg5 Re1e4 Re8d8 Re4g4 Rd8d7 Rg4xg5 Kg8h7 Rf3d3 Kh7h6 f2f4 a7a5 Rd3d2 Ra8a6 Rd2a2 Ra6b6 Ra2a3 Rd7d8 Bd6c7 Rd8d1+ Kg1h2 Bg7f8 Bc7xb6
  18	00:28	  17.943.823	640.493	+1.92	Rf1e1 g5g4 Qe4xg4 Qd8g5 Qg4xg5 h6xg5 Re1e4 Re8d8 Re4g4 Rd8d7 Rg4xg5 Kg8h7 Rf3d3 Kh7h6 f2f4 a7a5 Rd3d2 Ra8a6 Rd2a2 Ra6b6 Ra2a3 Rd7d8 Bd6c7 Rd8d1+ Kg1h2 Bg7f8 Bc7xb6
  19	00:56	  35.499.573	631.629	+1.76	Rf1e1 Re8e7 Bg2f1 Re7d7 Bf1d3 Rd7xd6 Qe4h7+ Kg8f8 e5xd6 Qd8a5 Re1d1 Bc8d7 Qh7g6 f7f5 Rf3e3 Ra8e8 c4c5 Qa5d8 Re3e2 Qd8f6 Re2a2 a7a6 Qg6h7 Qf6f7 Bd3e2 g5g4
  19	00:58	  36.907.520	631.741	+1.76	Rf1e1 Re8e7 Bg2f1 Re7d7 Bf1d3 Rd7xd6 Qe4h7+ Kg8f8 e5xd6 Qd8a5 Re1d1 Bc8d7 Qh7g6 f7f5 Rf3e3 Ra8e8 c4c5 Qa5d8 Re3e2 Qd8f6 Re2a2 a7a6 Qg6h7 Qf6f7 Bd3e2 g5g4
  20	01:30	  58.092.436	640.357	+1.77	Rf1e1 Re8f8 Bd6xf8 Bg7xf8 Rf3d3 Qd8e8 Re1d1 Bf8e7 Rd3d2 Kg8h8 Rd2a2 a7a5 Bg2f1 Qe8f8 Bf1e2 Qf8g8 Be2d3 Qg8g7 Qe4d4 Qg7f8 Bd3c2 Kh8g8 Qd4e4 Qf8g7 Qe4d4
  20	01:31	  58.863.693	641.238	+1.77	Rf1e1 Re8f8 Bd6xf8 Bg7xf8 Rf3d3 Qd8e8 Re1d1 Bf8e7 Rd3d2 Kg8h8 Rd2a2 a7a5 Bg2f1 Qe8f8 Bf1e2 Qf8g8 Be2d3 Qg8g7 Qe4d4 Qg7f8 Bd3c2 Kh8g8 Qd4e4 Qf8g7 Qe4d4
  21	01:57	  76.225.200	647.949	+1.86	Rf1e1 Re8f8 Bd6xf8 Bg7xf8 Rf3d3 Qd8e8 Re1d1 Bf8e7 Rd3d2 Kg8h8 c4c5 a7a5 Rd1c1 Qe8f8 Bg2f1 Qf8g7 Bf1e2 Qg7h7 Qe4d4 Qh7g7 Be2g4 Qg7f8 Kg1g2 Qf8g7 Rd2d1 f7f6 e5xf6 Qg7xf6 Qd4e4 e6e5 Bg4xc8 Ra8xc8
  21	01:58	  76.868.542	648.508	+1.86	Rf1e1 Re8f8 Bd6xf8 Bg7xf8 Rf3d3 Qd8e8 Re1d1 Bf8e7 Rd3d2 Kg8h8 c4c5 a7a5 Rd1c1 Qe8f8 Bg2f1 Qf8g7 Bf1e2 Qg7h7 Qe4d4 Qh7g7 Be2g4 Qg7f8 Kg1g2 Qf8g7 Rd2d1 f7f6 e5xf6 Qg7xf6 Qd4e4 e6e5 Bg4xc8 Ra8xc8
  22	02:15	  88.035.728	649.935	+1.87	Rf1e1 Re8f8 Bd6xf8 Bg7xf8 Rf3d3 Qd8e8 Re1d1 Bf8e7 Rd3d2 Kg8h8 c4c5 a7a5 Rd1c1 Qe8f8 Bg2f1 Qf8g7 Bf1e2 Qg7h7 Qe4d4 Qh7g7 Be2g4 Qg7f8 Kg1g2 Qf8g7 Rd2d3 Qg7f8 Rc1c4 Qf8g7 Rd3d1 Qg7f8 Bg4f3 f7f5 e5xf6/ep Be7xf6 Qd4e4 e6e5
  22	02:17	  89.496.833	650.812	+1.87	Rf1e1 Re8f8 Bd6xf8 Bg7xf8 Rf3d3 Qd8e8 Re1d1 Bf8e7 Rd3d2 Kg8h8 c4c5 a7a5 Rd1c1 Qe8f8 Bg2f1 Qf8g7 Bf1e2 Qg7h7 Qe4d4 Qh7g7 Be2g4 Qg7f8 Kg1g2 Qf8g7 Rd2d3 Qg7f8 Rc1c4 Qf8g7 Rd3d1 Qg7f8 Bg4f3 f7f5 e5xf6/ep Be7xf6 Qd4e4 e6e5
  23	02:51	 112.559.504	656.084	+1.94	Rf1e1 Re8f8 Bd6xf8 Bg7xf8 Rf3d3 Qd8e8 Re1d1 Bf8e7 Rd3d2 Kg8h8 Qe4e3 Kh8g7 Bg2e4 Qe8f8 Be4c2 a7a5 Qe3e4 Qf8g8 Rd2d4 Ra8a6 Qe4f3 Kg7h8 c4c5 Ra6a8 Qf3e4 Kh8g7 Rd4c4 Kg7h8 Qe4f3 Qg8g7 Qf3e4
  23	02:53	 114.239.399	657.138	+1.94	Rf1e1 Re8f8 Bd6xf8 Bg7xf8 Rf3d3 Qd8e8 Re1d1 Bf8e7 Rd3d2 Kg8h8 Qe4e3 Kh8g7 Bg2e4 Qe8f8 Be4c2 a7a5 Qe3e4 Qf8g8 Rd2d4 Ra8a6 Qe4f3 Kg7h8 c4c5 Ra6a8 Qf3e4 Kh8g7 Rd4c4 Kg7h8 Qe4f3 Qg8g7 Qf3e4

Code: Select all

FEN: r1bqr1k1/pp3pb1/2pBp2p/4P1pP/2P1Q3/1P3RP1/5PB1/5RK1 w - - 0 22 

Stockfish-18-32-ja:
   1	00:00	         331	7.042	+1.57	Rf1d1
   2	00:00	         463	9.851	+1.09	Rf1d1 Re8e7
   2	00:00	         561	11.936	+1.29	Rf1a1 f7f5 e5xf6/ep Bg7xf6
   3	00:00	       1.185	25.212	+1.25	Rf1a1 Bc8d7 Ra1d1
   4	00:00	       1.826	38.851	+1.17	Rf1a1 Bc8d7 Ra1d1 Qd8a5
   5	00:00	       3.982	63.206	+0.96	Rf1a1 Bc8d7 g3g4 Qd8b6 c4c5
   6	00:00	       7.924	125.777	+1.05	Rf1a1 Bc8d7 c4c5 Qd8c8 Ra1d1 Re8d8
   6+	00:00	       8.448	134.095	+1.21	Rf1d1 Qd8d7
   6+	00:00	       8.765	139.126	+1.45	Rf1d1 Qd8d7
   7+	00:00	      12.996	166.615	+1.25	Rf1a1 Bc8d7
   7+	00:00	      16.159	207.166	+1.45	Rf1a1 Bc8d7
   7	00:00	      19.370	248.333	+1.29	Rf1a1 Re8e7 Bd6xe7 Qd8xe7 Rf3c3 Qe7c7 f2f4 Bc8d7
   7	00:00	      21.214	271.974	+1.65	Rf1d1 Re8e7 Bg2f1 Re7d7 Bf1d3 Rd7xd6 Qe4h7+ Kg8f8 e5xd6 Qd8xd6
   8	00:00	      42.596	387.236	+1.33	Rf1d1 Re8f8 Qe4c2 f7f5 Bd6xf8 Qd8xf8 Rf3e3 Qf8e8 Qc2e2
   9+	00:00	      82.091	522.872	+1.97	Rf1d1 Re8f8
   9	00:00	      86.857	504.982	+1.81	Rf1d1 Re8f8 Qe4c2 Qd8e8 Bd6xf8 Bg7xf8 Rf3d3 Bf8e7 Qc2a2 a7a5 Bg2e4
  10	00:00	     130.213	594.579	+1.81	Rf1d1 Re8f8 Qe4c2 Qd8a5 b3b4 Qa5d8 b4b5 c6xb5 c4xb5 f7f5 Bd6xf8 Qd8xf8 Qc2c7
  11	00:00	     175.837	623.535	+1.73	Rf1d1 Re8f8 Qe4c2 Qd8b6 Bd6xf8 Bg7xf8 Qc2e4 Bf8g7 Rf3d3 Bg7f8 Qe4e3 Qb6xe3 Rd3xe3 Bf8c5 Re3d3
  12+	00:00	     232.069	674.619	+1.81	Rf1d1 Re8f8
  12+	00:00	     246.583	684.952	+1.89	Rf1d1 Re8f8
  12+	00:00	     266.387	710.365	+2.06	Rf1d1 Re8f8
  12-	00:00	     355.772	733.550	+1.65	Rf1d1 g5g4
  12+	00:00	     388.638	730.522	+2.38	Rf1d1 g5g4
  12	00:00	     409.295	748.254	+2.42	Rf1d1 g5g4 Rf3f4 Qd8g5 Bg2f1 Re8d8 Bf1d3 Rd8xd6 Qe4h7+ Kg8f8 e5xd6 e6e5 Rf4xf7+ Kf8xf7 Bd3g6+ Kf7f8 d6d7 Qg5d8 d7xc8Q Qd8xc8 Bg6f5 Qc8e8 Rd1d7
  13-	00:00	     454.441	744.985	+1.69	Rf1d1 g5g4
  13	00:00	     526.857	765.780	+2.26	Rf1d1 g5g4 Rf3f4 Qd8g5 Bg2f1 Qg5xh5 Bf1d3 Qh5g6 Qe4d4 Qg6h5 Rf4xg4 Bc8d7
  14	00:00	     674.748	771.140	+2.42	Rf1d1 g5g4 Rf3f4 Qd8g5 Bg2f1 Qg5xh5 Bf1d3 Qh5g6 Qe4d4 Qg6h5 Rf4xg4 Kg8h8 Qd4f4 Bc8d7 Bd3e4 a7a6 Bd6c7 Re8e7 Be4d3 b7b5 Bc7d6 Re7e8
  15-	00:01	     874.440	787.783	+2.18	Rf1d1 g5g4
  15-	00:01	     992.267	783.781	+1.93	Rf1d1 Re8e7
  15	00:01	   1.182.424	796.245	+1.73	Rf1d1 Re8e7 Bg2f1 Re7d7 Bf1d3 Rd7xd6 Qe4h7+ Kg8f8 e5xd6 g5g4 Rf3e3 Qd8g5 Bd3c2 Bc8d7 b3b4 Qg5xh5 Rd1e1 e6e5 Re3a3 f7f5 c4c5 Bd7e6 Bc2b3 Be6xb3 Ra3xb3
  16	00:07	   5.820.136	815.030	+1.53	Rf1d1 Re8e7 Bg2f1 Re7d7 Bf1d3 Rd7xd6 e5xd6 f7f5 Qe4e2 Bc8d7 Rf3e3 Qd8f6 c4c5 e6e5 b3b4 e5e4 Bd3c4+ Kg8h7 g3g4 a7a5 b4xa5 Ra8xa5 Re3b3 Ra5xc5 Rb3xb7
  16	00:08	   6.821.233	817.501	+1.77	Rf1a1 Re8e7 Bd6xe7 Qd8xe7 Bg2f1 a7a5 Bf1d3 Kg8f8 Ra1d1 Bc8d7 Bd3c2 Ra8d8 Qe4h7 Bg7xe5 Qh7xh6+ Be5g7 Qh6h7 f7f5 Rf3e3
  17-	00:09	   7.849.247	818.141	+1.37	Rf1a1 Re8e7
  17	00:12	  10.015.115	822.799	+1.45	Rf1a1 Re8e7 Bd6xe7 Qd8xe7 Bg2f1 a7a5 Bf1d3 Bc8d7 Rf3e3 Kg8f8 Bd3c2 Qe7c5 Ra1d1 Bd7e8 Qe4h7 a5a4 b3xa4 Qc5xc4 Rd1d6 Qc4g4 Bc2d1 Qg4f5
  18	00:15	  12.569.762	825.058	+1.37	Rf1a1 Re8e7 Bd6xe7 Qd8xe7 Ra1d1 Bc8d7 Qe4d4 Bd7e8 c4c5 Qe7c7 Rf3e3 Bg7f8 Re3d3 a7a5 f2f4 Bf8e7 Qd4c4 Qc7b8 Kg1h2 Qb8c7 Qc4c3 g5xf4 g3xf4
  18	00:17	  14.431.295	826.108	+1.61	c4c5 Re8f8 Bd6xf8 Bg7xf8 Rf3d3 Qd8e7 Rf1c1 Qe7c7 Qe4d4 Qc7a5 Bg2e4 Qa5a3 Rc1c2 Bf8e7 f2f4 a7a5 f4xg5 Be7xg5 Rc2f2 Qa3b4
  19	00:25	  21.034.371	834.597	+1.69	c4c5 Re8f8 Bd6xf8 Bg7xf8 Rf3d3 Qd8e8 Rf1c1 Bf8e7 Qe4d4 Qe8f8 Bg2e4 g5g4 Rc1c4 Qf8g7 Rd3d1 f7f5 e5xf6/ep Qg7xf6 Qd4xf6 Be7xf6 Rc4a4 e6e5 Rd1d6 Bf6e7 Rd6xh6 Be7xc5
  20	00:26	  22.258.879	836.014	+1.81	c4c5 Re8f8 Bd6xf8 Bg7xf8 Rf3d3 Qd8e8 Rf1c1 Bf8e7 Qe4d4 Qe8f8 Bg2e4 Kg8g7 Rd3f3 Qf8d8 Qd4c3 Bc8d7 b3b4 Qd8c7 Be4c2 g5g4 Rf3f4 Be7g5 Rf4xg4 Ra8d8
  20+	00:27	  23.194.891	836.303	+1.85	Rf1e1 g5g4
  20+	00:28	  23.492.624	837.138	+2.02	Rf1e1 g5g4
  21	00:34	  28.648.598	842.209	+1.85	c4c5 Re8f8 Bd6xf8 Bg7xf8 Rf3d3 Qd8e8 Rf1c1 Bf8e7 Qe4d4 Qe8f8 Bg2e4 Qf8g7 Rd3d2 g5g4 Rd2d1 Qg7g5 Be4d3 Qg5xh5 Bd3e2 Qh5g5 Be2xg4 Qg5g6 Bg4e2 Qg6f5 b3b4
  22+	00:39	  33.009.097	844.006	+1.97	c4c5 Re8f8
  22+	00:43	  36.925.596	844.612	+2.10	c4c5 Re8e7
  22	00:50	  42.915.219	844.837	+1.89	c4c5 Re8e7 Bd6xe7 Qd8xe7 Rf1d1 Bc8d7 Rd1d6 b7b6 Rf3c3 b6xc5 Rc3xc5 Bg7f8 Bg2f1 Bd7e8 Bf1d3 Bf8g7 Rc5a5 Ra8b8 b3b4 Kg8f8 Kg1g2 Qe7b7 f2f4 g5xf4 g3xf4 a7a6 Ra5xa6 Qb7xb4
  23+	00:54	  46.409.209	844.756	+1.97	c4c5 Re8e7
  23+	00:57	  48.664.854	845.419	+2.06	c4c5 Re8e7
  23-	01:04	  54.225.869	843.365	+1.81	c4c5 Re8e7
  23	01:11	  59.913.187	842.175	+1.93	c4c5 Re8e7 Bd6xe7 Qd8xe7 Rf1d1 Bc8d7 Rd1d6 b7b6 Rf3c3 b6xc5 Rc3xc5 Bg7f8 Rc5c2 Qe7d8 Rd6d3 Qd8c7 f2f4 Bf8e7 Qe4a4 Ra8c8 Qa4a6 Bd7e8 Kg1f2 Be8d7 Bg2e4 g5xf4
  24-	01:19	  66.755.268	844.832	+1.85	c4c5 Re8e7
  24	01:23	  70.477.689	844.519	+1.89	c4c5 Re8e7 Bd6xe7 Qd8xe7 Rf1d1 Bc8d7 Rd1d6 b7b6 Rf3c3 b6xc5 Rc3xc5 Bg7f8 Rc5c2 Ra8c8 Qe4e3 Bd7e8 Rc2a2 Qe7c7 Ra2xa7 Bf8xd6 Ra7xc7 Bd6xc7 Qe3c3 Rc8b8 Bg2e4 Kg8g7 Kg1f1 Rb8b5 f2f4 g5xf4 g3xf4
  25+	01:29	  75.197.870	843.734	+1.97	c4c5 Re8e7
  25	01:29	  75.552.503	843.860	+1.97	c4c5 Re8e7 Bd6xe7 Qd8xe7 Rf1d1 Bc8d7 Rd1d6 b7b6 Rf3c3 b6xc5 Rc3xc5 Bg7f8 Rc5c2 Ra8c8 Bg2f1 Bf8g7 Bf1d3 Bd7e8 f2f4 Rc8d8 Rd6xd8 Qe7xd8 Kg1g2 g5xf4 g3xf4 f7f5 e5xf6/ep Qd8xf6 Qe4h7+ Kg8f8
  26+	01:42	  86.615.343	844.895	+2.10	c4c5 Re8e7
  26	02:02	 103.910.502	848.352	+2.06	c4c5 Re8e7 Bd6xe7 Qd8xe7 Rf1d1 Bc8d7 Rd1d6 Ra8b8 Bg2f1 b7b6 b3b4 b6xc5 b4xc5 a7a5 Rf3a3 Bd7e8 Ra3xa5 Qe7b7 Qe4d4 Kg8f8 Ra5a6 Qb7b4 f2f4 Qb4xd4+ Rd6xd4 f7f6 Rd4e4 f6xe5 f4xg5 h6xg5 g3g4 Kf8e7
  27+	02:44	 138.981.117	845.991	+2.18	c4c5 Re8e7
  27	03:25	 173.518.116	844.111	+2.14	c4c5 Re8f8 Bd6xf8 Bg7xf8 Rf3d3 Qd8e8 Rf1d1 Bf8e7 Qe4a4 a7a5 Bg2e4 Ra8a6 Rd3d2 Kg8g7 Be4d3 Ra6a7 b3b4 Qe8f8 Bd3e4 Qf8g8 Kg1g2 Qg8e8 Be4d3 Ra7a8 Bd3e2 f7f5 e5xf6/ep+ Be7xf6
  28+	03:41	 186.962.376	844.192	+2.26	c4c5 Re8f8
  28+	04:45	 239.937.965	839.216	+2.38	c4c5 Re8f8
  28-	06:00	 301.144.807	836.476	+2.02	c4c5 Re8e7
  28-	08:34	 429.579.714	834.337	+1.89	c4c5 Re8e7

[zullil]

Stockfish-1.8.0 (8 threads) finds it, but not instantly:

Code: Select all

Searching: r1bqr1k1/pp3pb1/2pBp2p/4P1pP/2P1Q3/1P3RP1/5PB1/5RK1 w - -
infinite: 0 ponder: 0 time: 0 increment: 0 moves to go: 0
 2     +1.09   00:01      463 Rd1 Re7 
 2     +1.29   00:01      561 Ra1 f5 exf6 Bxf6 
 3     +1.25   00:01     1185 Ra1 Bd7 Rd1 
 4     +1.17   00:01     1826 Ra1 Bd7 Rd1 Qa5 
 5     +0.97   00:01     3982 Ra1 Bd7 g4 Qb6 c5 
 6     +1.05   00:01     7924 Ra1 Bd7 c5 Qc8 Rd1 Rd8 
 6  >  +1.21   00:01     8448 Rd1 Qd7 
 6  >  +1.45   00:01     8765 Rd1 Qd7 
 7  >  +1.25   00:01    12996 Ra1 Bd7 
 7  >  +1.45   00:01    16159 Ra1 Bd7 
 7     +1.29   00:01    19370 Ra1 Re7 Bxe7 Qxe7 Rc3 Qc7 f4 Bd7 
 7     +1.66   00:01    21214 Rd1 Re7 Bf1 Rd7 Bd3 Rxd6 Qh7+ Kf8 exd6 Qxd6 
 8     +1.41   00:01    41474 Rd1 Rf8 Qb1 Re8 Bf1 g4 Rf4 Qg5 
 9     +1.29   00:01    51570 Rd1 Rf8 Qb1 Re8 Bf1 g4 Rf4 Qg5 Qe4 Qxh5 Bd3 Qg6 
                              Qxg6 fxg6 Bxg6 
10  >  +1.54   00:01    59483 Rd1 Rf8 
10  >  +1.78   00:01    71811 Rd1 Rf8 
10     +1.94   00:01    95075 Rd1 Rf8 Qb1 Qe8 Bxf8 Bxf8 Bf1 a5 Bd3 Bc5 Bh7+ Kh8 
                              Rf6 
11     +1.94   00:01   165579 Rd1 Rf8 Qb1 Qe8 Bxf8 Bxf8 Bf1 Be7 Bd3 Kh8 Bh7 Bd7 
                              Qe4 a5 Qd3 
12     +1.90   00:01   183569 Rd1 Rf8 Qb1 Qe8 Bxf8 Bxf8 Bf1 Be7 Bd3 Bd7 Bh7+ 
                              Kh8 Qe4 a5 Qd3 
13  >  +1.98   00:01   223466 Rd1 Rf8 
13     +1.98   00:01   232086 Rd1 Rf8 Qb1 Qe8 Bxf8 Bxf8 Bf1 Be7 Bd3 Bd7 Bh7+ 
                              Kh8 Qe4 a5 Rfd3 Rd8 
14  <  +1.86   00:01   276496 Rd1 Rf8 
14     +1.86   00:01   324147 Rd1 Rf8 Qb1 Qe8 Bxf8 Bxf8 Bf1 Be7 Bd3 Bd7 Bh7+ 
                              Kh8 Qd3 Rd8 Re3 Bb4 
15  <  +1.70   00:01   659073 Rd1 g4 
15  >  +2.02   00:01   803338 Rd1 g4 
15  >  +2.18   00:01   902480 Rd1 g4 
15  >  +2.51   00:01    1153K Rd1 g4 
15     +1.86   00:01    1801K Rd1 Re7 Bf1 Rd7 Bd3 Rxd6 Qh7+ Kf8 exd6 g4 Re3 Qg5 
                              Bc2 Bd7 b4 Qxh5 Rde1 
16  <  +1.78   00:01    1937K Rd1 Re7 
16     +1.90   00:01    2050K Rd1 Re7 Bf1 Rd7 Bd3 Rxd6 Qh7+ Kf8 exd6 g4 Re3 Qg5 
                              Bc2 Bd7 b4 Qxh5 Rde1 e5 c5 Qg5 Bb3 Bf5 
17  <  +1.82   00:01    2191K Rd1 Re7 
17  <  +1.74   00:01    2470K Rd1 Re7 
17  <  +1.58   00:01    2664K Rd1 Re7 
17  >  +1.98   00:02    3190K Re1 f5 
17  >  +2.06   00:02    3299K Re1 f5 
17  >  +2.22   00:02    3406K Re1 f5 
17     +1.90   00:02    4942K Re1 Rf8 Bxf8 Bxf8 Bf1 Bd7 Bd3 Bg7 Qh7+ Kf8 Rd1 
                              Qe7 
18  <  +1.82   00:02    5320K Re1 Rf8 
18  <  +1.74   00:02    5941K Re1 Rf8 
18     +1.62   00:02    6944K Re1 Rf8 Bxf8 Bxf8 Bf1 Bg7 Rd3 Qc7 Qd4 Bf8 Ra1 a5 
                              Bg2 Bb4 Be4 Kg7 Ra2 b6 Qd8 Qxd8 Rxd8 
19  >  +1.90   00:02    7660K Re1 Rf8 
19     +2.02   00:02    8222K Re1 Rf8 Bxf8 Bxf8 Bf1 Bg7 Rd3 Qc7 Qd4 Kh7 Bg2 Bf8 
                              Ra1 a5 c5 Kg7 Rdd1 Be7 Bf3 Kf8 Be4 Kg8 Ra2 
20     +2.38   00:03   11329K Re1 Rf8 Bxf8 Bxf8 Bf1 Bg7 Rd3 Qc7 Qd4 Bf8 Red1 b5 
                              cxb5 cxb5 Bg2 Rb8 Rc3 Qa5 Rc2 Qa3 Rc7 Qxb3 Rxa7 
                              Qc2 Be4 
21     +2.46   00:04   14714K Re1 Rf8 Bxf8 Bxf8 Bf1 Bg7 Rd3 Qa5 c5 Qc7 Rd6 Bd7 
                              Re3 Be8 Bd3 Qe7 Rf3 Rc8 Qh7+ Kf8 Bg6 Bxe5 Qxh6+ 
                              Bg7 Qh7 f5 Bxe8 Rxe8 Re3 
22     +2.42   00:04   17313K Re1 Rf8 Bxf8 Bxf8 Bf1 Bg7 Rd3 Qa5 c5 Qc7 Rd6 Bd7 
                              Re3 Be8 Bd3 Qe7 Qh7+ Kf8 Kg2 Rd8 
23  <  +2.34   00:04   18632K Re1 Rf8 
23  >  +2.51   00:05   20230K Re1 Rf8 
23  >  +2.59   00:05   22054K Re1 g4 
23  >  +2.75   00:05   23885K Re1 Bd7 
23     +2.59   00:06   25846K Re1 Rf8 Bxf8 Bxf8 Bf1 Bg7 Rd3 Qc7 Qd4 Bf8 Red1 
                              Kg7 Qe4 Bb4 Rd8 b6 Bg2 Be7 Qxc6 Qxc6 Bxc6 Bxd8 
                              Bxa8 Bc7 Bc6 Bxe5 Rd8 Ba6 Ra8 Bd4 Rxa7 Bc8 Kg2 
24  >  +2.79   00:06   28000K Re1 Rf8 
24  <  +2.38   00:06   29502K Re1 Rf8 
24     +2.63   00:07   32158K Re1 Rf8 Bxf8 Bxf8 Bf1 Bg7 Rd3 Qc7 Qd4 Bf8 Red1 
                              Be7 Qe4 c5 Rf3 Qc6 Qxc6 bxc6 Bg2 Rb8 Rfd3 f6 f4 
                              Kf7 fxg5 hxg5 Kf2 fxe5 Bxc6 Rb6 Be4 g4 
25  >  +2.75   00:07   35172K Re1 Rf8 
25     +2.71   00:07   36447K Re1 Rf8 Bxf8 Bxf8 Bf1 Bg7 Rd3 Qc7 Qd4 Bf8 Red1 
                              Be7 Qe4 c5 Rf3 Qc6 Qxc6 bxc6 Bg2 Rb8 Rfd3 f6 f4 
                              Kf7 fxg5 hxg5 Kf2 fxe5 Bxc6 g4 Be4 Kg7 Ra1 Bb7 
                              Bxb7 Rxb7 Ke3 Kh6 
26  >  +2.83   00:08   42206K Re1 Rf8 
26  >  +2.95   00:09   47769K Re1 g4 
26     +3.11   00:10   55096K Re1 Rf8 Bxf8 Bxf8 Bf1 Bg7 Rd3 Qc7 Qd4 Bf8 Red1 
                              Rb8 Qd8 Qe7 Rd7 Bxd7 Qxb8 b5 cxb5 cxb5 Bxb5 Bxb5 
                              Qxb5 Qc5 Qb8 a6 Rd7 Qc1+ Kh2 Qc5 Qa7 
27  >  +3.56   00:14   81954K Re1 Rf8 
27     +3.56   00:15   90857K Re1 Rf8 Bxf8 Bxf8 Bf1 Bg7 Rd3 Qc7 Qd4 Bf8 Red1 b6 
                              Qe4 Rb8 Rd8 Bb7 R8d7 c5 Qh7+ Kxh7 Rxc7 Kg8 Bg2 
                              Bxg2 Kxg2 Bg7 f4 a6 Rdd7 Rf8 Ra7 gxf4 gxf4 Kh7 
                              Rxa6 
28     +3.68   00:21  141832K Re1 Rf8 Bxf8 Bxf8 Bf1 Bg7 Rd3 Qc7 Qd4 Bf8 Red1 b6 
                              Qe4 Rb8 Rd8 Bb7 R8d7 c5 Qh7+ Kxh7 Rxc7 Kg8 Bg2 
                              Bxg2 Kxg2 g4 Rdd7 Bg7 Rxf7 Bxe5 Rxa7 Rf8 Rxf8+ 
                              Kxf8 Rb7 Bd4 f4 gxf3+ Kxf3 Be5 g4 Bd4 Rxb6 
29  <  +3.31   00:29  205445K Re1 Re7 
29  >  +4.04   00:37  264054K Re1 Re7 
29     +4.04   00:48  355661K Re1 Re7 Bf1 Rd7 Bd3 Rxd6 Qh7+ Kf8 exd6 Qa5 Rfe3 
                              Qd8 Bg6 Qf6 
30     +3.64   01:00  446116K Re1 Rf8 Bxf8 Bxf8 Bf1 Bg7 Rd3 Qc7 Qd4 Bf8 Red1 b6 
                              Qe4 Rb8 Rd8 Bb7 R8d7 c5 Qh7+ Kxh7 Rxc7 Kg8 Bg2 
                              Bxg2 Kxg2 g4 Rdd7 Bg7 Rxf7 Bxe5 Rxa7 Rf8 Rxf8+ 
                              Kxf8 Rb7 Bd4 f4 gxf3+ Kxf3 Be5 Rxb6 Ke7 Ra6 
30  >  +4.48   01:04  477184K Rxf7 Kh8 
30  >  +4.93   01:06  486307K Rxf7 Kxf7 
30  >  +5.82   01:08  505938K Rxf7 Kxf7 
30  >  +7.60   01:14  550404K Rxf7 Kxf7 
30  > +11.15   01:22  620109K Rxf7 Kxf7 
30    +16.32   01:38  751470K Rxf7 Kxf7 Qg6+ Kg8 Be4 Re7 f4 g4 c5 Kf8 Qh7 Qxd6 
                              cxd6 Rf7 Bg6 

Nodes: 751607432
Nodes/second: 7643879
Best move: Rxf7
Ponder move: Kxf7

[zullil]

Crafty gets it quickly:

Code: Select all

Crafty v23.3 (8 cpus)

White(1): setboard r1bqr1k1/pp3pb1/2pBp2p/4P1pP/2P1Q3/1P3RP1/5PB1/5RK1 w - - 0 22 
White(1): display

       +---+---+---+---+---+---+---+---+
    8  |<R>| . |<B>|<Q>|<R>| . |<K>| . |
       +---+---+---+---+---+---+---+---+
    7  |<P>|<P>| . |   | . |<P>|<B>|   |
       +---+---+---+---+---+---+---+---+
    6  |   | . |<P>|-B-|<P>| . |   |<P>|
       +---+---+---+---+---+---+---+---+
    5  | . |   | . |   |-P-|   |<P>|-P-|
       +---+---+---+---+---+---+---+---+
    4  |   | . |-P-| . |-Q-| . |   | . |
       +---+---+---+---+---+---+---+---+
    3  | . |-P-| . |   | . |-R-|-P-|   |
       +---+---+---+---+---+---+---+---+
    2  |   | . |   | . |   |-P-|-B-| . |
       +---+---+---+---+---+---+---+---+
    1  | . |   | . |   | . |-R-|-K-|   |
       +---+---+---+---+---+---+---+---+
         a   b   c   d   e   f   g   h

White(1): st 120
search time set to 120.00.
White(1): display stats
display statistics at end of each search.
White(1): go
              time limit 2:00 (+0.00) (2:00)
              depth   time  score   variation (1)
starting thread 1
starting thread 2
starting thread 3
starting thread 4
starting thread 5
starting thread 6
starting thread 7
               10     0.04   1.56   1. Re1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Rd1 Bd7 5. Kh2 g4
               10->   0.04   1.56   1. Re1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Rd1 Bd7 5. Kh2 g4
               11     0.05   1.50   1. Re1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Rd3 Bd7 5. Bf3 Rad8 6. Bc7
               11->   0.05   1.50   1. Re1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Rd3 Bd7 5. Bf3 Rad8 6. Bc7
               12     0.06   1.67   1. Re1 Re7 2. Bxe7 Qxe7 3. Bf1 Bd7
                                    4. Bd3 Qb4 5. Qh7+ Kf8 6. Rb1 g4 7.
                                    Rf4
               12->   0.06   1.67   1. Re1 Re7 2. Bxe7 Qxe7 3. Bf1 Bd7
                                    4. Bd3 Qb4 5. Qh7+ Kf8 6. Rb1 g4 7.
                                    Rf4
               13     0.09   1.71   1. Re1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Rd3 Bd7 5. Bf3 Bh6 6. Bf8 Rxf8 7.
                                    Rxd7
               13->   0.09   1.71   1. Re1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Rd3 Bd7 5. Bf3 Bh6 6. Bf8 Rxf8 7.
                                    Rxd7
               14     0.11   1.57   1. Re1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Rd3 Bd7 5. Red1 a5 6. Bf8 Rxf8 7.
                                    Rxd7 Bxe5 8. Rxb7
               14->   0.11   1.57   1. Re1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Rd3 Bd7 5. Red1 a5 6. Bf8 Rxf8 7.
                                    Rxd7 Bxe5 8. Rxb7
               15     0.16   1.56   1. Re1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Re4 Bh6 5. Rd3 a5 6. Red4 a4 7.
                                    bxa4 Rxa4 8. Be4 Ra1+ 9. Kg2
               15->   0.17   1.56   1. Re1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Re4 Bh6 5. Rd3 a5 6. Red4 a4 7.
                                    bxa4 Rxa4 8. Be4 Ra1+ 9. Kg2
               16     0.20   1.47   1. Re1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Re4 Bh6 5. c5 Rd8 6. Rd4 Kg7 7.
                                    Kh2 b6 8. Rf6 bxc5
               16     0.44   1.58   1. Ra1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Rd3 a5 5. b4 Rd8 6. Rda3 Ra6 7.
                                    bxa5 g4 8. f3 f5 9. exf6 Bxf6
               16->   0.44   1.58   1. Ra1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Rd3 a5 5. b4 Rd8 6. Rda3 Ra6 7.
                                    bxa5 g4 8. f3 f5 9. exf6 Bxf6 (s=3)
               17     0.56   1.52   1. Ra1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Re3 a6 5. Bf3 Bh6 6. Rd3 Rd8 7.
                                    Kg2 Kg7 8. Rad1 Bd7 9. Rd4 (s=2)
               17->   0.88   1.52   1. Ra1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Re3 a6 5. Bf3 Bh6 6. Rd3 Rd8 7.
                                    Kg2 Kg7 8. Rad1 Bd7 9. Rd4 (s=2)
               18     0.99   1.55   1. Ra1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Re3 a6 5. Bf3 Bh6 6. Rd3 Rd8 7.
                                    Kg2 a5 8. c5 Bd7 9. Rd4 Kg7
               18->   1.15   1.55   1. Ra1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Re3 a6 5. Bf3 Bh6 6. Rd3 Rd8 7.
                                    Kg2 a5 8. c5 Bd7 9. Rd4 Kg7 (s=3)
               19     1.32   1.60   1. Ra1 g4 2. Qxg4 Qg5 3. Qxg5 hxg5
                                    4. Re3 a6 5. Bf3 Bh6 6. Rd3 Rd8 7.
                                    Kg2 a5 8. c5 Ra6 9. Rad1 Kg7 10. Be7
                                    Rxd3 11. Rxd3 (s=2)
               19     2.43   1.88   1. Re1 Re7 2. Bxe7 Qxe7 3. Rd3 Qc7
                                    4. Qd4 c5 5. Qd8+ Qxd8 6. Rxd8+ Bf8
                                    7. Red1 g4 8. Be4 Rb8 9. Kg2 a6 10.
                                    f4 gxf3+ 11. Bxf3
               19->   2.43   1.88   1. Re1 Re7 2. Bxe7 Qxe7 3. Rd3 Qc7
                                    4. Qd4 c5 5. Qd8+ Qxd8 6. Rxd8+ Bf8
                                    7. Red1 g4 8. Be4 Rb8 9. Kg2 a6 10.
                                    f4 gxf3+ 11. Bxf3
               20     2.89   1.81   1. Re1 Re7 2. Bxe7 Qxe7 3. Rd3 Qc7
                                    4. Qd4 Bf8 5. Red1 a5 6. Qa1 Be7 7.
                                    Be4 Kf8 8. Kg2 g4 9. Qc3 b6 10. f3
                                    gxf3+ 11. Rxf3
               20->   3.17   1.81   1. Re1 Re7 2. Bxe7 Qxe7 3. Rd3 Qc7
                                    4. Qd4 Bf8 5. Red1 a5 6. Qa1 Be7 7.
                                    Be4 Kf8 8. Kg2 g4 9. Qc3 b6 10. f3
                                    gxf3+ 11. Rxf3
               21     4.34   1.60   1. Re1 Re7 2. Bxe7 Qxe7 3. Rfe3 Bd7
                                    4. Rd1 Be8 5. Qd4 Qc7 6. Bf3 Bf8 7.
                                    Be4 Qb6 8. Qd2 Qc7 9. Qc3 Rd8 10. Red3
                                    Rxd3 11. Rxd3 <HT>
               21->   5.11   1.60   1. Re1 Re7 2. Bxe7 Qxe7 3. Rfe3 Bd7
                                    4. Rd1 Be8 5. Qd4 Qc7 6. Bf3 Bf8 7.
                                    Be4 Qb6 8. Qd2 Qc7 9. Qc3 Rd8 10. Red3
                                    Rxd3 11. Rxd3 <HT>
               22     8.00   1.88   1. Re1 Re7 2. Bf1 Rd7 3. Bd3 Rxd6 4.
                                    Qh7+ Kf8 5. exd6 Qa5 6. Re4 Bd7 7.
                                    g4 b6 8. Kg2 Qa1 9. Be2 f6 10. Rd3
                                    a5 11. f4 gxf4 12. Rxf4
               22->   8.73   1.88   1. Re1 Re7 2. Bf1 Rd7 3. Bd3 Rxd6 4.
                                    Qh7+ Kf8 5. exd6 Qa5 6. Re4 Bd7 7.
                                    g4 b6 8. Kg2 Qa1 9. Be2 f6 10. Rd3
                                    a5 11. f4 gxf4 12. Rxf4
               23    11.64   2.00   1. Re1 Re7 2. Bf1 Rd7 3. Bd3 Rxd6 4.
                                    Qh7+ Kf8 5. exd6 Qa5 6. Re4 Bd7 7.
                                    Kg2 Qa1 8. g4 f6 9. c5 Rd8 10. Bc4
                                    Qb1 11. Rfe3 Qc2 12. Re1 Re8 13. R1e2
                                    <HT>
               23->  12.86   2.00   1. Re1 Re7 2. Bf1 Rd7 3. Bd3 Rxd6 4.
                                    Qh7+ Kf8 5. exd6 Qa5 6. Re4 Bd7 7.
                                    Kg2 Qa1 8. g4 f6 9. c5 Rd8 10. Bc4
                                    Qb1 11. Rfe3 Qc2 12. Re1 Re8 13. R1e2
                                    <HT>
               24    14.07   2.00   1. Re1 Re7 2. Bf1 Rd7 3. Bd3 Rxd6 4.
                                    Qh7+ Kf8 5. exd6 Qa5 6. Re4 Bd7 7.
                                    Kg2 Qa1 8. g4 f6 9. c5 Rd8 10. Bc4
                                    Qb1 11. Rfe3 Qc2 12. Re1 Re8 13. R1e2
                                    <HT>
               24    17.91     +1   1. Rxf7!                          
               24    18.78     +3   1. Rxf7!                          
               24    23.29     +M   1. Rxf7!                          
               24    47.19   5.85   1. Rxf7 Kxf7 2. Qg6+ Kg8 3. Be4 Re7
                                    4. g4 Qxd6 5. exd6 Rf7 6. f4 gxf4 7.
                                    g5 Kf8 8. gxh6 Bd4+ 9. Kh2 Be5 10.
                                    h7 f3+ 11. Kh3 Bg7 12. Rxf3 Rxf3+ 13.
                                    Bxf3 Bd7
               24->  47.19   5.85   1. Rxf7 Kxf7 2. Qg6+ Kg8 3. Be4 Re7
                                    4. g4 Qxd6 5. exd6 Rf7 6. f4 gxf4 7.
                                    g5 Kf8 8. gxh6 Bd4+ 9. Kh2 Be5 10.
                                    h7 f3+ 11. Kh3 Bg7 12. Rxf3 Rxf3+ 13.
                                    Bxf3 Bd7
               25    48.24     +1   1. Rxf7!                          
               25    49.52     +3   1. Rxf7!                          
               25    50.23   6.84   1. Rxf7 Kxf7 2. Qg6+ Kg8 3. Be4 Re7
                                    4. g4 Qxd6 5. exd6 Rf7 6. f4 gxf4 7.
                                    g5 Kf8 8. gxh6 Bd7 9. Kh2 Be5 10. Rg1
                                    f3+ 11. Kh3 Bxd6 12. Qg8+ Ke7 13. Qxa8
                                    e5+ 14. Kg3 f2 15. Rf1
               25->  51.72   6.84   1. Rxf7 Kxf7 2. Qg6+ Kg8 3. Be4 Re7
                                    4. g4 Qxd6 5. exd6 Rf7 6. f4 gxf4 7.
                                    g5 Kf8 8. gxh6 Bd7 9. Kh2 Be5 10. Rg1
                                    f3+ 11. Kh3 Bxd6 12. Qg8+ Ke7 13. Qxa8
                                    e5+ 14. Kg3 f2 15. Rf1 (s=4)
               26    53.05     +1   1. Rxf7!                          
               26    54.74     +3   1. Rxf7!                          
               26    58.26     +M   1. Rxf7!                          
               26     1:00  10.53   1. Rxf7 Kxf7 2. Qg6+ Kg8 3. Be4 Re7
                                    4. g4 Qxd6 5. exd6 Rf7 6. f4 gxf4 7.
                                    g5 Kf8 8. gxh6 a5 9. Kh2 Be5 10. Qg5
                                    Ke8 11. h7 Rxh7 12. Bg6+ Kd7 13. Qxe5
                                    Rh6 14. Qg7+ Kxd6 15. Qf8+ Kd7 16.
                                    Rd1+ Kc7 17. Qxh6 (s=3)
               26->   1:02  10.53   1. Rxf7 Kxf7 2. Qg6+ Kg8 3. Be4 Re7
                                    4. g4 Qxd6 5. exd6 Rf7 6. f4 gxf4 7.
                                    g5 Kf8 8. gxh6 a5 9. Kh2 Be5 10. Qg5
                                    Ke8 11. h7 Rxh7 12. Bg6+ Kd7 13. Qxe5
                                    Rh6 14. Qg7+ Kxd6 15. Qf8+ Kd7 16.
                                    Rd1+ Kc7 17. Qxh6 (s=2)
               27     1:05     +1   1. Rxf7!                          
               27     1:08     +3   1. Rxf7!                          
               27     1:11  11.95   1. Rxf7 Kxf7 2. Qg6+ Kg8 3. Be4 Re7
                                    4. g4 Qxd6 5. exd6 Rf7 6. f4 gxf4 7.
                                    g5 hxg5 8. h6 Bd7 9. h7+ Kh8 10. Qxf7
                                    Bd4+ 11. Kh2 b5 12. Qxd7 bxc4 13. bxc4
                                    Rb8 14. Kh3 c5 15. Qxa7 Rf8
               27->   1:13  11.95   1. Rxf7 Kxf7 2. Qg6+ Kg8 3. Be4 Re7
                                    4. g4 Qxd6 5. exd6 Rf7 6. f4 gxf4 7.
                                    g5 hxg5 8. h6 Bd7 9. h7+ Kh8 10. Qxf7
                                    Bd4+ 11. Kh2 b5 12. Qxd7 bxc4 13. bxc4
                                    Rb8 14. Kh3 c5 15. Qxa7 Rf8 (s=2)
               28     1:25  11.93   1. Rxf7 Kxf7 2. Qg6+ Kg8 3. Be4 Re7
                                    4. g4 Qxd6 5. exd6 Rf7 6. f4 gxf4 7.
                                    g5 hxg5 8. h6 Bd7 9. h7+ Kh8 10. Qxf7
                                    Rd8 11. Qe7 Rf8 12. Qxd7 b5 13. Qxe6
                                    bxc4 14. Qxc4 Be5 15. Qxc6 g4
               28->   1:28  11.93   1. Rxf7 Kxf7 2. Qg6+ Kg8 3. Be4 Re7
                                    4. g4 Qxd6 5. exd6 Rf7 6. f4 gxf4 7.
                                    g5 hxg5 8. h6 Bd7 9. h7+ Kh8 10. Qxf7
                                    Rd8 11. Qe7 Rf8 12. Qxd7 b5 13. Qxe6
                                    bxc4 14. Qxc4 Be5 15. Qxc6 g4
               29     1:37     +1   1. Rxf7!                          
               29     1:44  12.26   1. Rxf7 Kxf7 2. Qg6+ Kg8 3. Be4 Re7
                                    4. g4 Qxd6 5. exd6 Rf7 6. f4 gxf4 7.
                                    g5 hxg5 8. h6 Bd7 9. h7+ Kh8 10. Qxf7
                                    Rd8 11. Qe7 Rf8 12. Qxd7 b5 13. Qxe6
                                    bxc4 14. Qxc4 Be5 15. d7 Rd8 16. Qxc6
               29->   1:50  12.26   1. Rxf7 Kxf7 2. Qg6+ Kg8 3. Be4 Re7
                                    4. g4 Qxd6 5. exd6 Rf7 6. f4 gxf4 7.
                                    g5 hxg5 8. h6 Bd7 9. h7+ Kh8 10. Qxf7
                                    Rd8 11. Qe7 Rf8 12. Qxd7 b5 13. Qxe6
                                    bxc4 14. Qxc4 Be5 15. d7 Rd8 16. Qxc6
              time=2:00  mat=-1  n=3250596875  fh=84%  nps=27.0M      
              extensions=100.3M qchecks=218.9M reduced=419.8M pruned=1214.0M
              predicted=0  evals=388.7M  50move=0  EGTBprobes=0  hits=0
              SMP->  splits=265142  aborts=33877  data=68/512  elap=2:00
terminating SMP processes.
White(1): Rxf7
              time used:   2:00

[Swaminathan]

Thanks for analyzing this position with the ultra-faster hardware. I'm surprised that it took 1 minute and few seconds for Stockfish using 8 CPU's.

I'm delighted that this position happened in one of my games, and am even more delighted that it actually happened in a 1 minute each game!