From easiest to hardest_test position 3

Dariusz · Post by **Dariusz** » Sun Sep 13, 2015 4:12 pm

Position nb 3: heavy for engines, lightweight for human

Could you take the challenge ?

[D]5rk1/8/pqPp1r1p/1p1Pp1bR/4B3/5PP1/PP2Q1K1/R7 w - - 2 25

Best move: 25.Rxg5+!

[Event "?"]
[Site "www.chesspresso.net"]
[Date "2014.05.01"]
[Round "?"]
[White "sedarpl"]
[Black "noamgmi"]
[Result "1-0"]
[ECO "E88"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c6 8.Qd2 a6 9.Nge2 b5 10.h4 Nbd7 11.dxc6 Nb6 12.Bxb6 Qxb6 13.Nd5 Nxd5 14.cxd5 f5 15.Ng3 fxe4 16.Nxe4 Rf4 17.Bd3 Bh6 18.Qe2 Bf5 19.g3 Bxe4 20.Bxe4 Rf6 21.h5 gxh5 22.Kf1 Bg5 23.Rxh5 h6 24.Kg2 Raf8 25.Rxg5+ hxg5 26.Qd2 Qd4 27.Qxg5+ Kf7 28.Rc1 Rh8 29.c7 Qxb2+ 30.Rc2 Qb1 31.Qh4 Rfh6 32.c8=Q Rxc8 33.Rxc8 Qxa2+ 34.Rc2 Qxc2+ 35.Bxc2 Rxh4 36.gxh4 1-0

kgburcham · Post by **kgburcham** » Sun Sep 13, 2015 4:46 pm

[D] 5rk1/8/pqPp1r1p/1p1Pp1bR/4B3/5PP1/PP2Q1K1/R7 w - -

Houdini

20/79 1:29 +2.82-- 25.Rah1 Qd4 (2.008.209.313) 22414 TB:601
20/79 1:32 +3.10++ 25.Rxg5+ (2.074.865.584) 22402 TB:603
20/79 1:33 +3.16 25.Rxg5+ hxg5 26.Rh1 Qd4 27.Rh5 R8f7 28.Rxg5+ Kf8 29.Rh5 Ke7 30.Qc2 Qc4 31.Qf2 Qd4 32.Qxd4 exd4 33.g4 Rf8 34.g5 Rg8 35.Kg3 Rff8 36.Rh7+ Rf7 37.Rxf7+ Kxf7 38.Kf4 (2.089.311.106) 22394 TB:603
21/79 1:34 +3.02-- 25.Rxg5+ hxg5 (2.119.007.308) 22368 TB:603
21/79 1:58 +3.29++ 25.Rxg5+ (2.663.482.922) 22501 TB:733
21/79 1:58 +3.13 25.Rxg5+ hxg5 26.Rh1 Qd4 27.Rh5 Rc8 28.Rxg5+ Kf8 29.Rh5 Ke7 30.f4 Rcf8 31.Kh3 Kd8 32.Qg4 R6f7 33.fxe5 dxe5 34.Rh6 Kc7 35.d6+ Kb6 36.c7 Qd2 37.Qg6 Ka5 38.Bf5 (2.674.874.745) 22494 TB:733
21/81 2:03 +3.13 25.Rxg5+ hxg5 26.Rh1 Qd4 27.Rh5 Rc8 28.Rxg5+ Kf8 29.Rh5 Ke7 30.f4 Rcf8 31.Kh3 Kd8 32.Qg4 R6f7 33.fxe5 dxe5 34.Rh6 Kc7 35.d6+ Kb6 36.c7 Qe3 37.Rh5 Qc5 38.b3 (2.775.571.917) 22499 TB:744

[Event "?"]
[Site "www.chesspresso.net"]
[Date "2014.05.01"]
[Round "?"]
[White "sedarpl"]
[Black "noamgmi"]
[ECO "E88"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5
7. d5 c6 8. Qd2 a6 9. Nge2 b5 10. h4 Nbd7 11. dxc6 Nb6
12. Bxb6 Qxb6 13. Nd5 Nxd5 14. cxd5 f5 15. Ng3 fxe4
16. Nxe4 Rf4 17. Bd3 Bh6 18. Qe2 Bf5 19. g3 Bxe4 20. Bxe4
Rf6 21. h5 gxh5 22. Kf1 Bg5 23. Rxh5 h6 24. Kg2 Raf8
25. Rxg5+ hxg5 26. Qd2 Qd4 27. Qxg5+ Kf7 28. Rc1 Rh8 29. c7
Qxb2+ 30. Rc2 Qb1 31. Qh4 Rfh6 32. c8=Q Rxc8 33. Rxc8 Qxa2+
34. Rc2 Qxc2+ 35. Bxc2 Rxh4 36. gxh4 1-0

Vinvin · Post by **Vinvin** » Sun Sep 13, 2015 7:33 pm

Current SF, CPU i7-4930k , 6 cores @ 4.4 GHz
3 run : 1m30s, 3m50s and 5m5s

Code: Select all

Stockfish_15091020_x64_modern&#58;
...
 32/56	01&#58;54	 1.087.345k	9.467k	+2,38	25.Qd3 R8f7 26.Rah1 Rg7 27.Bf5 Qc5 28.Bg4 Kf8 29.Re1 a5 30.Rhh1 Kg8 31.Re2 Qb6 32.Be6+ Kf8 33.a3 Bf4 34.Bg4 Bg5 35.Rc2 Rgf7 36.Qc3 Qc7 37.Rf2 Rg7 38.Qd3 Qb6 39.b4 a4 40.Rc2 Rc7 41.Re1 Rcf7 42.Bh5 Rc7 43.Kh3
 33/56	02&#58;01	 1.147.881k	9.480k	+2,38	25.Qd3 R8f7 26.Rah1 Rg7 27.Bf5 Qc5 28.Bg4 Kf8 29.Re1 a5 30.Rhh1 Kg8 31.Re2 Qb6 32.Be6+ Kf8 33.a3 Bf4 34.Bg4 Bg5 35.Rc2 Rgf7 36.Qc3 Qc7 37.Rf2 Rg7 38.Qd3 Qb6 39.Re2 Kg8 40.Rc2 Rc7 41.b4 a4 42.Be6+ Kf8 43.Re1 h5
 34/56+	02&#58;37	 1.513.712k	9.585k	+2,44	25.Qd3
 34/56+	03&#58;52	 2.245.444k	9.639k	+2,51	25.Rxg5+
 34/56+	04&#58;00	 2.334.568k	9.689k	+3,73	25.Rxg5+
 34/56	04&#58;05	 2.381.263k	9.714k	+3,89	25.Rxg5+ hxg5 26.Qd2 Qd4 27.Qxg5+ Kf7 28.Rc1 Rh8 29.c7 Qxb2+ 30.Rc2 Qb1 31.Qh4 Rfh6 32.c8Q Rxc8 33.Rxc8 Rxh4 34.Bxb1 Rd4 35.Rc7+ Ke8 36.Ra7 Rd2+ 37.Kh3 Rxd5 38.Rxa6 Ke7 39.Kg4 Ke6 40.Rb6 Rd4+ 41.Be4 b4 42.Kg5 Rd2 43.Rxb4 Rxa2 44.Rb6 Ra3 45.g4 Re3
 35/56-	04&#58;08	 2.424.176k	9.740k	+3,82	25.Rxg5+ hxg5
 35/56-	04&#58;09	 2.433.740k	9.740k	+3,76	25.Rxg5+ hxg5
 35/56+	04&#58;11	 2.447.181k	9.746k	+3,82	25.Rxg5+
 35/56+	04&#58;15	 2.493.972k	9.777k	+3,96	25.Rxg5+
 35/58	04&#58;19	 2.541.442k	9.808k	+4,10	25.Rxg5+ hxg5 26.Qd2 Qd4 27.Qxg5+ Kf7 28.Rc1 Rh8 29.c7 Qxb2+ 30.Rc2 Qb1 31.Qh4 Rfh6 32.c8Q Rxc8 33.Rxc8 Rxh4 34.Bxb1 Rd4 35.Rc7+ Ke8 36.Ra7 Rxd5 37.g4 b4 38.Rxa6 Ke7 39.Be4 Rd2+ 40.Kg3 Kf6 41.f4 Rd4 42.Kf3 exf4 43.Kxf4 Ke7 44.Ke3 Rd1 45.g5 Rg1 46.Kf4 Rf1+ 47.Kg4
 36/58+	04&#58;23	 2.593.715k	9.843k	+4,17	25.Rxg5+
 36/58+	04&#58;27	 2.645.771k	9.877k	+4,23	25.Rxg5+
 36/66+	04&#58;45	 2.864.668k	10.021k	+4,67	25.Rxg5+
 36/67	04&#58;58	 3.012.855k	10.095k	+4,91	25.Rxg5+ hxg5 26.Qd2 Qd4 27.Qxg5+ Kf7 28.Rc1 Rh8 29.c7 Qxb2+ 30.Rc2 Qb1 31.Qh4 Rfh6 32.c8Q Rxc8 33.Rxc8 Rxh4 34.Bxb1 Rd4 35.Rc7+ Ke8 36.Ra7 Rxd5 37.g4 b4 38.Rxa6 Ke7 39.Be4 Rd2+ 40.Kg3 Kf6 41.f4 Rd4 42.Kf3 exf4 43.Kxf4 Ke7 44.Ke3 Rd1 45.g5 d5 46.Bf3 d4+ 47.Ke4 Rf1 48.Ra7+ Kf8 49.g6 Kg8 50.Bg4 Rf6 51.Bf5 d3 52.Rd7 Kf8 53.Rxd3 Ra6 54.Rd8+ Kg7
 37/69+	05&#58;16	 3.226.072k	10.205k	+4,98	25.Rxg5+
 37/69+	05&#58;21	 3.288.260k	10.236k	+5,04	25.Rxg5+

Code: Select all

Stockfish_15091020_x64_modern&#58;
...
 31/46	01&#58;05	 644.289k	9.805k	+2,27	25.Qd3 Qc5 26.Rah1 Qb4 27.b3 Qd2+ 28.Qxd2 Bxd2 29.a4 Bg5 30.axb5 axb5 31.Ra1 R6f7 32.Ra2 Kg7 33.b4 Rb8 34.Bd3 Rbf8 35.Be2 Rb8 36.Ra5 Bd8 37.Ra6 Bg5 38.Ra2 Kf6 39.Bd3 Kg7 40.Rc2 Kf8 41.Rh1 Ke7 42.f4 exf4 43.Bg6 f3+ 44.Kf2
 32/52+	01&#58;24	 822.883k	9.784k	+2,33	25.Qd3
 32/52+	01&#58;30	 882.519k	9.789k	+2,39	25.Rxg5+
 32/61+	01&#58;34	 933.132k	9.833k	+3,15	25.Rxg5+
 32/61	01&#58;36	 952.822k	9.854k	+3,29	25.Rxg5+ hxg5 26.Qd2 Qd4 27.Qxg5+ Kf7 28.Rc1 Rh8 29.c7 Qxb2+ 30.Rc2 Qb1 31.Qh4 Rfh6 32.c8Q Rxc8 33.Rxc8 Qxa2+ 34.Rc2 Qxc2+ 35.Bxc2 Rxh4 36.gxh4 a5 37.Bd3 a4 38.Bxb5 a3 39.Bc4 Kf6 40.Kg3 Kf5 41.Ba2 Kf6 42.Kg4 e4 43.fxe4 Ke5 44.Kf3 Kd4 45.h5
 33/61+	01&#58;38	 969.237k	9.876k	+3,36	25.Rxg5+
 33/61+	01&#58;38	 973.397k	9.880k	+3,42	25.Rxg5+
 33/61+	01&#58;43	 1.029.151k	9.971k	+3,86	25.Rxg5+
 33/61	01&#58;46	 1.068.655k	10.032k	+4,02	25.Rxg5+ hxg5 26.Qd2 Qd4 27.Qxg5+ Kf7 28.Rc1 Rh8 29.c7 Qxb2+ 30.Rc2 Qb1 31.Qh4 Rfh6 32.c8Q Rxc8 33.Rxc8 Rxh4 34.Bxb1 Rd4 35.Rc7+ Ke8 36.Rc6 Rxd5 37.Rxa6 Ke7 38.g4 Rd1 39.Bf5 Kf6 40.Kf2 Kg5 41.Ke2 Rd4 42.Ke3 b4 43.Rb6 Kf6 44.Bb1 Kg5 45.Be4 Kh4 46.Bd3 Kg5
 34/61+	01&#58;53	 1.153.870k	10.132k	+4,08	25.Rxg5+
 34/61+	01&#58;55	 1.174.232k	10.155k	+4,14	25.Rxg5+
 34/61+	02&#58;02	 1.250.107k	10.241k	+4,58	25.Rxg5+
 34/61	02&#58;06	 1.297.964k	10.286k	+4,78	25.Rxg5+ hxg5 26.Qd2 Qd4 27.Qxg5+ Kf7 28.Rc1 Rh8 29.c7 Qxb2+ 30.Rc2 Qb1 31.Qh4 Rfh6 32.c8Q Rxc8 33.Rxc8 Rxh4 34.Bxb1 Rd4 35.Rc7+ Ke8 36.g4 Kf8 37.Rc6 Rd2+ 38.Kg3 Rxd5 39.Rxa6 Kg7 40.Bf5 Kf6 41.Rb6 Rd2 42.a3 Rd5 43.Bd7 Ke7 44.Bxb5 Rd1 45.Ra6 d5 46.a4 Ra1 47.g5 Rg1+ 48.Kh4 d4 49.a5 Rb1
 35/61	02&#58;12	 1.373.797k	10.350k	+4,78	25.Rxg5+ hxg5 26.Qd2 Qd4 27.Qxg5+ Kf7 28.Rc1 Rh8 29.c7 Qxb2+ 30.Rc2 Qb1 31.Qh4 Rfh6 32.c8Q Rxc8 33.Rxc8 Rxh4 34.Bxb1 Rd4 35.Rc7+ Ke8 36.g4 Kf8 37.Rc6 Rxd5 38.Rxa6 Ke7 39.Rb6 Ke6 40.Bf5+ Kf6 41.Kg3 Rd2 42.a3 Rd5 43.Bd7 Ke7 44.Bxb5 Rd1 45.Ra6 d5 46.a4 Ra1 47.g5 Rg1+ 48.Kh4 d4 49.a5 Rb1 50.Rb6 Ra1 51.Kg4 Rxa5 52.Kf5
 36/62+	02&#58;21	 1.477.128k	10.459k	+4,84	25.Rxg5+
 36/62+	02&#58;24	 1.524.423k	10.517k	+4,90	25.Rxg5+
 36/63+	02&#58;28	 1.572.089k	10.572k	+5,00	25.Rxg5+
 36/66-	02&#58;28	 1.575.337k	10.574k	+4,92	25.Rxg5+ hxg5
 36/66+	02&#58;33	 1.633.434k	10.633k	+5,03	25.Rxg5+
 36/66	02&#58;37	 1.683.970k	10.688k	+5,13	25.Rxg5+ hxg5 26.Qd2 Qd4 27.Qxg5+ Kf7 28.Rc1 Rh8 29.c7 Qxb2+ 30.Rc2 Qb1 31.Qh4 Rfh6 32.c8Q Rxc8 33.Rxc8 Rxh4 34.Bxb1 Rd4 35.Rc7+ Ke8 36.g4 Kf8 37.Rc6 Rxd5 38.Rxa6 Ke7 39.Rb6 Ke6 40.Bf5+ Kf6 41.Kg3 Rd2 42.a3 Rd5 43.Bd7 Rd1 44.Bxb5 Ke6 45.Bc4+ Kd7 46.a4 Kc7 47.Ra6 Kd8 48.a5 Kd7 49.Bb5+ Ke6 50.Rb6 Kd5 51.a6 Ra1 52.Rb7
 37/66+	02&#58;48	 1.820.880k	10.786k	+5,20	25.Rxg5+
 37/66+	02&#58;55	 1.907.540k	10.856k	+5,26	25.Rxg5+
 37/66+	03&#58;02	 1.991.170k	10.908k	+5,35	25.Rxg5+
 37/66-	03&#58;07	 2.050.436k	10.957k	+5,27	25.Rxg5+ hxg5
 37/66+	03&#58;16	 2.150.991k	10.964k	+5,38	25.Rxg5+
 37/69	03&#58;22	 2.225.350k	11.001k	+5,42	25.Rxg5+ hxg5 26.Qd2 Qd4 27.Qxg5+ Kf7 28.Rc1 Rh8 29.c7 Qxb2+ 30.Rc2 Qb1 31.Qh4 Rfh6 32.c8Q Rxc8 33.Rxc8 Rxh4 34.Bxb1 Rd4 35.Rc7+ Ke8 36.g4 Kf8 37.Rc6 Rxd5 38.Rxa6 Ke7 39.Rb6 Ke6 40.Kg3 Kf6 41.Bf5 Rd2 42.a3 Rd5 43.Bd7 Rd2 44.Bxb5 Ke6 45.a4 Kd5 46.g5 Rd1 47.Kg4 Kc5 48.Rb7 Rg1+ 49.Kf5 Rg3 50.g6 Rxf3+ 51.Ke6 Rg3 52.g7 e4 53.Rc7+ Kb6 54.Rc6+ Kb7
 38/69-	03&#58;28	 2.280.363k	10.951k	+5,36	25.Rxg5+ hxg5
 38/69+	03&#58;32	 2.332.980k	10.961k	+5,42	25.Rxg5+
 38/69+	03&#58;38	 2.407.798k	11.005k	+5,51	25.Rxg5+
 38/69	03&#58;44	 2.477.654k	11.056k	+5,57	25.Rxg5+ hxg5 26.Qd2 Qd4 27.Qxg5+ Kf7 28.Rc1 Rh8 29.c7 Qxb2+ 30.Rc2 Qb1 31.Qh4 Rfh6 32.c8Q Rxc8 33.Rxc8 Rxh4 34.Bxb1 Rd4 35.Rc7+ Ke8 36.g4 Kf8 37.Rc6 Rxd5 38.Rxa6 Ke7 39.Rb6 Ke6 40.Kg3 Kf6 41.Bf5 Rd2 42.a3 Rd5 43.Bd7 Rd1 44.Bxb5 e4 45.fxe4 Ke5 46.a4 Kxe4 47.Bc6+ Ke5 48.Rb5+ Ke6 49.a5 Ra1 50.g5 Ra3+ 51.Kg4 Ra1 52.Bd5+ Ke5 53.a6 Ra3 54.Bb7+ Ke6 55.Rb6 Ra4+ 56.Kf3
 39/69-	03&#58;49	 2.551.434k	11.103k	+5,51	25.Rxg5+ hxg5
 39/69+	04&#58;02	 2.704.647k	11.131k	+5,57	25.Rxg5+
 39/69-	04&#58;03	 2.712.112k	11.134k	+5,51	25.Rxg5+ hxg5
 39/69-	04&#58;04	 2.717.189k	11.130k	+5,37	25.Rxg5+ hxg5
 39/69+	04&#58;05	 2.728.302k	11.129k	+5,48	25.Rxg5+
 39/69-	04&#58;05	 2.735.250k	11.129k	+5,32	25.Rxg5+ hxg5
 39/69+	04&#58;07	 2.753.044k	11.134k	+5,55	25.Rxg5+
 39/69-	04&#58;07	 2.761.081k	11.137k	+5,20	25.Rxg5+ hxg5
 39/69	04&#58;14	 2.838.703k	11.157k	+5,57	25.Rxg5+ hxg5 26.Qd2 Qd4 27.Qxg5+ Kf7 28.Rc1 Rh8 29.c7 Qxb2+ 30.Rc2 Qb1 31.Qh4 Rfh6 32.c8Q Rxc8 33.Rxc8 Rxh4 34.Bxb1 Rd4 35.Rc7+ Ke8 36.g4 Kf8 37.Rc6 Rxd5 38.Rxa6 Ke7 39.Rb6 Ke6 40.Kg3 Kf6 41.Bf5 Rd2 42.a3 Rd5 43.Bd7 Rd1 44.Bxb5 e4 45.fxe4 Ke5 46.a4 Kxe4 47.Bc6+ Ke5 48.Rb5+ Ke6 49.a5 Rc1 50.Bd5+ Ke5 51.Bb7+ Ke6 52.g5

Code: Select all

Stockfish_15091020_x64_modern&#58;
...
 33/50	03&#58;48	 2.230.664k	9.751k	+2,47	25.Qd3 Qe3 26.Qxe3 Bxe3 27.b4 Bd4 28.Rc1 Be3 29.Rc2 Bg5 30.a4 R6f7 31.Ra2 Rb8 32.Bg6 Rg7 33.Bf5 Ra7 34.Bd3 Rf7 35.axb5 axb5 36.Kf2 Rbf8 37.Be4 Kg7 38.Rh1 Rb8 39.Ke2 Bd8 40.Ra6 Bb6 41.Bd3 Bd4 42.Rh4 Rbf8 43.Be4
 34/50	04&#58;24	 2.588.453k	9.787k	+2,49	25.Qd3 Qe3 26.Qxe3 Bxe3 27.b4 Bd4 28.Rc1 Be3 29.Rc2 Bg5 30.a4 R6f7 31.Ra2 Rb8 32.Bg6 Rg7 33.Bf5 Ra7 34.Bd3 Rf7 35.axb5 axb5 36.Kf2 Rbf8 37.Be4 Kg7 38.Rh1 Rb8 39.Ke2 Bd8 40.Ra6 Bb6 41.Bd3 Bd4 42.Rh4 Rbf8 43.Be4 Rc7 44.Ra5 Rb8
 35/50	04&#58;39	 2.742.759k	9.807k	+2,49	25.Qd3 Qe3 26.Qxe3 Bxe3 27.b4 Bd4 28.Rc1 Be3 29.Rc2 Bg5 30.a4 R6f7 31.Ra2 Rb8 32.Bg6 Rg7 33.Bf5 Ra7 34.Bd3 Rf7 35.axb5 axb5 36.Kf2 Rbf8 37.Be4 Kg7 38.Rh1 Rb8 39.Ke2 Bd8 40.Ra6 Bb6 41.Bd3 Bd4 42.Rh4 Rbf8 43.Be4 Bc3 44.Rg4+ Kh8 45.Rg6 Bxb4
 36/50+	05&#58;05	 2.999.972k	9.833k	+2,55	25.Rxg5+
 36/50+	05&#58;06	 3.016.398k	9.837k	+2,61	25.Rxg5+
 36/60+	05&#58;25	 3.237.994k	9.935k	+3,84	25.Rxg5+
 36/66	05&#58;38	 3.387.901k	10.012k	+4,15	25.Rxg5+ hxg5 26.Qd2 Qa7 27.Rh1 g4 28.Bh7+ Kf7 29.Bg6+ Kg8 30.Rh7 Qxh7 31.Bxh7+ Kxh7 32.c7 Rg6 33.fxg4 Rc8 34.Qc2 a5 35.g5 a4 36.Kh3 e4 37.Kg4 Rg7 38.Qxe4+ Kh8 39.Qe6 Rcxc7 40.Qxd6 Rc4+ 41.Kf3 Rf7+ 42.Ke3 Rcc7 43.Qg6 Rce7+ 44.Kd4 Rg7 45.Qc6 Rd7 46.g6 Rd8 47.Kc5 Kg8 48.Qe6+ Kf8 49.Kxb5

From easiest to hardest_test position 3

From easiest to hardest_test position 3

Re: From easiest to hardest_test position 3

Re: From easiest to hardest_test position 3