Rxe5!

Discussion of anything and everything relating to chess playing software and machines.

Moderators: bob, hgm, Harvey Williamson

Forum rules
This textbox is used to restore diagrams posted with the [d] tag before the upgrade.
User avatar
Jack Lad
Posts: 8470
Joined: Wed Mar 08, 2006 9:01 pm
Location: UK

Rxe5!

Post by Jack Lad » Mon Apr 21, 2008 11:18 pm

[d] 1rb4r/1pb3kp/p2q1pp1/2p1p3/P1B5/1P1P1Q2/1BP1RPPP/R5K1 w - - 0 21
How long does it take your engine to find it? :?

User avatar
Ovyron
Posts: 2812
Joined: Tue Jul 03, 2007 2:30 am

Re: Rxe5!

Post by Ovyron » Mon Apr 21, 2008 11:52 pm

Interesting, HIARCS 11.2 Aggressive sees it in one second, then rejects it:

8/21 0:00 +0.01-- 1.Re3 (121.754) 237
8/21 0:00 -0.03 1.Re3 Rd8 2.a5 Bf5 3.Ree1 Rd7 4.Bc1 Qd4 5.Ra2 (127.861) 240
8/21 0:00 -0.02 1.Rae1 (134.642) 235
8/21 0:00 +0.14 1.Rae1 Bf5 2.Bd5 Ba5 3.Rd1 Bg4 4.Qxg4 Qxd5 (155.203) 234
8/21 0:01 +0.14 1.a5 (261.435) 230
8/21 0:01 +0.15 1.a5 Bd7 2.Ree1 Bc6 3.Qg3 Rbd8 (274.335) 229
8/21 0:01 +0.16 1.Rxe5 (328.014) 227
8/24 0:01 +0.16 1.Rxe5 Bg4 (346.323) 228
9/27 0:02 0.00 1.Rxe5 Rf8 2.Ree1 Qxh2+ 3.Kf1 Qh1+ 4.Ke2 Qh4 5.Kf1 Qh1+ (549.777) 226

9/27 0:02 0.00 1.a5 (563.282) 226
9/27 0:02 +0.25 1.a5 Bf5 2.Ree1 Rhf8 3.Qe3 Qc6 4.Bc3 (609.474) 226
9/27 0:03 +0.26 1.Ree1 (810.073) 229
9/27 0:03 +0.26 1.Ree1 Bf5 (856.312) 229
10/27 0:04 +0.25 1.Ree1 Bf5 2.Bd5 Bg4 3.Qxg4 Qxd5 4.f4 (1.128.128) 232
11/28 0:10 +0.23 1.Ree1 Bf5 2.Bd5 Bg4 3.Qxg4 Qxd5 4.f4 h5 5.Qh4 (2.491.921) 235
11/28 0:11 +0.24 1.a5 (2.669.370) 232
11/28 0:13 +0.24 1.a5 Bd7 2.Ree1 Bc6 3.Qh3 Rbe8 (3.023.729) 231
12/32 0:29 +0.27 1.a5 Bd7 2.Ree1 Bc6 3.Qh3 Rbe8 4.Bc1 h5 5.Be3 Bd5 6.Bxd5 Qxd5 (6.971.490) 233
best move: a4-a5 time: 1:08.078 min n/s: 232.474 nodes: 15.769.789

tmokonen
Posts: 1037
Joined: Sun Mar 12, 2006 5:46 pm
Location: Vancouver

Re: Rxe5!

Post by tmokonen » Tue Apr 22, 2008 12:02 am

Jack Lad wrote:How long does it take your engine to find it? :?
My worthless piece of crap engine would melt my CPU into a smouldering heap before it would be able to find this.

However, a decent engine like Bright finds it in about 6 minutes on my Acer Aspire 5100 laptop (256 MB hash):

Code: Select all

FEN: 1rb4r/1pb3kp/p2q1pp1/2p1p3/P1B5/1P1P1Q2/1BP1RPPP/R5K1 w - - 0 21 

bright-0.3a:
  1/1	00:00	           1	1	+1.54	Bc4d5
  2/10	00:00	         337	337	+0.60	Bc4d5 Bc8g4 Qf3xg4 Qd6xd5
  2/10	00:00	         575	38	+0.73	Bb2a3 Bc8f5 Bc4d5
  2/10	00:00	         865	57	+0.76	Bb2c3 Bc8e6 Bc4xe6 Qd6xe6
  2/11	00:00	       1.265	84	+0.87	Re2e4 Bc8f5 Re4h4
  3/11	00:00	       2.192	70	+0.87	Re2e4 Bc8f5 Re4h4
  4/11	00:00	       5.297	170	+0.91	Re2e4 Bc8e6 Re4h4 h7h5 Ra1e1
  5/16	00:00	      13.537	218	-0.60	Re2e4 b7b5 a4xb5 a6xb5 Bb2xe5 f6xe5 Qf3f7+ Kg7h6 Re4h4+ Kh6g5
  5/18	00:00	      19.388	248	+0.72	Kg1h1 e5e4 Qf3g3 Qd6xg3 h2xg3
  5/18	00:00	      22.223	238	+0.74	h2h3 Bc8e6 Bb2c3 h7h6 Bc4xe6 Qd6xe6
  5/18	00:00	      28.172	302	+0.75	Ra1d1 Bc8e6 Bb2c3 h7h6 Bc4xe6 Qd6xe6
  5/18	00:00	      37.977	303	+0.84	Bb2c3 Bc8e6 Bc4xe6 Qd6xe6 Re2e4
  5/18	00:00	      42.047	300	+0.89	Ra1e1 Bc8e6 Bc4xe6 Qd6xe6 Re2e4
  6/18	00:00	      59.473	345	+0.64	Ra1e1 Bc8f5 Bb2c3 e5e4 Qf3g3 Qd6xg3 h2xg3
  6/32	00:00	     123.354	493	+0.71	Re2xe5 Bc8f5 Re5xf5 Qd6xh2+ Kg1f1 g6xf5 Qf3xf5 Qh2h1+ Kf1e2 Rb8e8+ Bb2e5
  6/32	00:00	     134.435	537	+0.78	h2h3 Bc8e6 Bb2c3 Qd6b6 Bc4d5 Be6xd5 Qf3xd5
  6/32	00:00	     141.409	533	+0.93	Bb2c3 Bc8e6 Ra1e1 Be6xc4 b3xc4 b7b5 a4xb5 a6xb5
  7/32	00:00	     186.891	629	+0.64	Bb2c3 Bc8f5 Ra1e1 e5e4 Qf3g3 Qd6xg3 h2xg3
  7/32	00:00	     278.330	775	+0.78	Re2xe5 Rh8f8 Re5e4 Qd6xh2+ Kg1f1 Bc7e5 d3d4 c5xd4 Bb2xd4 Qh2h1+ Kf1e2
  8/32	00:00	     489.321	978	+0.24	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7e5 d3d4 c5xd4 Re3e4 Qh2h1+ Kf1e2
  8/32	00:00	     568.636	1.011	+0.84	Bb2c3 Bc8f5 Re2e3 Rh8d8 Qf3g3 Bf5e6 Qg3h4 Be6d5 Bc4xd5 Qd6xd5
  9/32	00:01	     919.124	1.153	+0.62	Bb2c3 Bc8f5 Re2e3 Rh8d8 a4a5 Rd8d7 Ra1e1 Kg7h8 h2h3
  9/33	00:01	   1.229.957	1.229	+0.63	Re2e1 Bc8f5 a4a5 Bf5d7 b3b4 Bd7c6 Qf3h3 c5xb4 Bc4e6
  9/37	00:01	   2.148.366	1.335	+0.64	h2h3 Bc8f5 Re2e3 Bc7a5 Bc4d5 Qd6d7 Bb2a3 Ba5c3 Ra1b1
 10/37	00:02	   3.495.666	1.381	+0.63	h2h3 Bc8f5 Re2e1 Bc7a5 Re1e3 Bf5e6 Re3e4 Be6d5 Bc4xd5 Qd6xd5 Kg1h1
 11/47	00:04	   6.352.317	1.494	+0.63	h2h3 Bc8f5 Re2e1 Bc7a5 Re1e3 Bf5e6 Re3e4 Be6d5 Bc4xd5 Qd6xd5 Kg1h1
 12/47	00:09	  13.943.393	1.587	+0.60	h2h3 Bc8f5 Re2e1 Rh8d8 a4a5 Bf5e6 Bb2c3 Be6d5 Bc4xd5 Qd6xd5 Qf3g4 Rb8a8 Re1e4
 12/47	00:10	  16.399.366	1.602	+0.63	Re2e1 Rh8d8 a4a5 Bc8d7 Bb2c3 Bd7c6 Qf3h3 Rb8a8 Qh3h4 Bc6d5 Bc4xd5 Qd6xd5 Re1e4
 12/47	00:13	  21.230.260	1.604	+0.69	Re2e3 Rh8d8 a4a5 Bc8e6 Qf3e4 Be6d5 Qe4h4 Rb8a8 Bc4xd5 Qd6xd5 Re3f3 Rd8d6 Bb2c3
 13/47	00:41	  54.742.784	1.330	+0.67	Re2e3 Rh8e8 a4a5 Bc8f5 h2h3 Re8d8 Bb2c3 Rd8d7 Re3e1 Bf5e6 Re1e4 Qd6c6 Bc4xe6 Qc6xe6
 14/53	01:26	 109.596.460	1.272	+0.74	Re2e3 Rh8e8 a4a5 Bc8f5 h2h3 Bf5d7 Qf3e4 Bd7e6 Qe4h4 Be6d5 Bc4xd5 Qd6xd5 Re3f3 Re8e6 Bb2c3
 15/59	02:29	 177.399.465	1.192	+0.61	Re2e3 Rh8e8 a4a5 Bc8f5 h2h3 Rb8d8 Qf3xb7 e5e4 g2g3 e4xd3 Re3xe8 Rd8xe8 Bc4xd3 Bf5xd3 c2xd3 h7h6 Qb7f3
 15/59	03:53	 265.339.540	1.136	+0.74	Bb2c3 Rh8e8 h2h3 Bc8d7 Bc4d5 Bd7c6 Bd5e4 Rb8d8 Ra1e1 Bc6xe4 Re2xe4 Qd6c6 Qf3g3 Kg7h8 Qg3h4 Rd8d6 Qh4h6
 15/59	06:13	 403.546.784	1.082	+1.09	Re2xe5 Bc8g4 Qf3xg4 f6xe5 f2f4 Qd6e7 f4xe5 Rh8f8 Qg4e4 Rf8f5 e5e6+ Kg7g8 g2g3 Bc7a5 g3g4 Rf5f8 d3d4 c5xd4 Bb2xd4
 16/59	07:44	 485.939.452	1.047	+1.09	Re2xe5 Bc8g4 Qf3xg4 f6xe5 f2f4 Qd6e7 f4xe5 Rh8f8 Qg4e4 Rf8f5 e5e6+ Kg7g8 g2g3 Bc7a5 g3g4 Rf5f8 d3d4 c5xd4 Bb2xd4
 17/60	12:07	 745.716.230	1.025	+1.04	Re2xe5 Bc8g4 Qf3xg4 f6xe5 f2f4 Qd6e7 f4xe5 Rh8f8 Qg4e4 Rf8f5 e5e6+ Kg7g8 g2g3 b7b5 a4xb5 a6xb5 g3g4 Rf5f8 Bc4d5

kgburcham
Posts: 2016
Joined: Sun Feb 17, 2008 3:19 pm

Re: Rxe5!

Post by kgburcham » Tue Apr 22, 2008 12:10 am

Zappa Mexico II

[D] 1rb4r/1pb3kp/p2q1pp1/2p1p3/P1B5/1P1P1Q2/1BP1RPPP/R5K1 w - -

9/35 0:00 +0.21 1.Bc3 Bf5 2.g4 Be6 3.Qe4 Rhd8 4.g5 Bxc4 5.gxf6+ Qxf6 6.Qxc4 (1.555.495) 1777
10/35 0:01 +0.04 1.Bc3 Rd8 2.a5 Bf5 3.Ree1 Kh8 4.Rad1 Qe7 (2.942.903) 1882
10/39 0:02 +0.34 1.Rxe5 Rf8 2.Re3 b5 3.axb5 Qxh2+ 4.Kf1 Be5 5.Ra2 Qh1+ (4.200.596) 1906
11/41 0:03 +0.60 1.Rxe5 Rf8 2.Re4 Qxh2+ 3.Kf1 Bd6 4.Rae1 Bf5 5.Re7+ Bxe7 6.Rxe7+ (6.091.266) 1920
12/43 0:04 +0.86 1.Rxe5 Rf8 2.Re3 Qxh2+ 3.Kf1 Bd6 4.Rae1 Qh1+ 5.Ke2 Qh2 6.Kd1 b5 (9.475.706) 1962
13/43 0:05 +0.86 1.Rxe5 Rf8 2.Re3 Qxh2+ 3.Kf1 Bd6 4.Rae1 Qh1+ 5.Ke2 Qh2 6.Kd1 b5 (11.587.199) 1988
14/46 0:09 +0.73 1.Rxe5 Rf8 2.Re3 Qxh2+ 3.Kf1 Bd6 4.Rae1 Qh1+ 5.Ke2 Qh4 6.g3 Qg5 7.Qd5 Qxd5 8.Bxd5 (19.605.800) 2050
15/49 0:18 +0.62 1.Rxe5 Rf8 2.Re3 Qxh2+ 3.Kf1 Bd6 4.Rae1 b5 5.Re7+ Bxe7 6.Rxe7+ Kh6 7.axb5 axb5 (39.340.536) 2101
16/51 0:43 +0.77 1.Rxe5 Rf8 2.Re3 Qxh2+ 3.Kf1 Bd6 4.Rae1 Qh1+ 5.Ke2 Qh4 6.g3 Qg4 7.Qxg4 Bxg4+ 8.Kd2 Rbd8 9.f4 (93.262.395) 2158
17/53 1:19 +0.84 1.Rxe5 Rf8 2.Re3 Qxh2+ 3.Kf1 Bd6 4.Rae1 Qh1+ 5.Ke2 Qh4 6.g3 Qg4 7.Qxg4 Bxg4+ 8.Kd2 h5 9.a5 Rfd8 (173.820.772) 2191
18/55 3:13 +0.90 1.Rxe5 Rf8 2.Re4 Qxh2+ 3.Kf1 Bd6 4.Rae1 b5 5.axb5 axb5 6.Re7+ Bxe7 7.Rxe7+ Kh6 8.Bd5 Qh1+ 9.Ke2 Qh4 10.Qe3+ g5 11.g3 (422.321.380) 2177
best move: Re2xe5 time: 3:19.656 min n/s: 2.104.370 nodes: 432.010.644

Terry McCracken
Posts: 15844
Joined: Wed Aug 01, 2007 2:16 am
Location: Canada

Re: Rxe5!

Post by Terry McCracken » Tue Apr 22, 2008 12:22 am

Jack Lad wrote:[d] 1rb4r/1pb3kp/p2q1pp1/2p1p3/P1B5/1P1P1Q2/1BP1RPPP/R5K1 w - - 0 21
How long does it take your engine to find it? :?
Nice sac! Could you post the game or give a link to it?

Thanks...

kgburcham
Posts: 2016
Joined: Sun Feb 17, 2008 3:19 pm

Tiger

Post by kgburcham » Tue Apr 22, 2008 12:48 am

[D] 1rb4r/1pb3kp/p2q1pp1/2p1p3/P1B5/1P1P1Q2/1BP1RPPP/R5K1 w - - 0 1

Chess Tiger 14.0:

1.a5 Be6 2.Qe4 Rhe8 3.Bxe6 Qxe6 4.Re3 h6 5.Rh3 Rh8 6.Rg3
² (0.32) Depth: 10 00:00:01 1276kN
1.Rxe5 Bg4 2.Qxg4 fxe5 3.f4 Qe7 4.Re1 b5 5.Bxe5+ Bxe5 6.Rxe5
² (0.48) Depth: 10 00:00:02 1808kN
1.Rxe5 Rf8 2.Re3 Qxh2+ 3.Kf1 Be5 4.Ra2 Bd7 5.Bxe5 Qh1+ 6.Ke2 fxe5 7.Qd5
² (0.52) Depth: 11 00:00:02 2479kN
1.Rxe5 Rf8 2.Ree1 Qxh2+ 3.Kf1 Qh1+ 4.Ke2 Re8+ 5.Kd2 Qh6+ 6.Kd1 Rxe1+ 7.Kxe1 Bf5 8.g4 Re8+ 9.Kf1
² (0.40) Depth: 12 00:00:03 3335kN
1.Rxe5 Rf8 2.Ree1 Qxh2+ 3.Kf1 Qh1+ 4.Ke2 Re8+ 5.Kd2 Ba5+ 6.c3 Qh6+ 7.Re3 Be6 8.Bxe6 Rxe6 9.Rae1
² (0.34) Depth: 13 00:00:06 5972kN
1.Rxe5 Rf8 2.Ree1 Qxh2+ 3.Kf1 Qh1+ 4.Ke2 Qh2 5.Kd2 Bf4+ 6.Kd1 Bd6 7.a5 Bd7 8.Bd5 Be5 9.Bxe5 fxe5
² (0.40) Depth: 14 00:00:17 15003kN
1.Rxe5 Rf8 2.Ree1 Qxh2+ 3.Kf1 Qh1+ 4.Ke2 Qh2 5.Kd2 Bf4+ 6.Kd1 Bd6 7.a5 Bd7 8.Bd5 Be5 9.Bxe5 fxe5
² (0.40) Depth: 15 00:00:38 34169kN
1.Rxe5 Rf8 2.Re3 Qxh2+ 3.Kf1 Be5 4.Rxe5 fxe5 5.Qe3 Re8 6.f4 h6 7.Bxe5+ Kh7 8.Qxc5 Qh1+ 9.Qg1 Qxg1+
² (0.48) Depth: 16 00:01:34 87186kN
1.Rxe5 Rf8 2.Re3 Qxh2+ 3.Kf1 Be5 4.Rxe5 fxe5 5.Qe3 Re8 6.Re1 b5 7.Bd5 Qh1+ 8.Ke2 Qh5+ 9.Kd2 h6 10.Bc6
± (0.78) Depth: 17 00:04:27 260512kN
1.Rxe5 Rf8 2.Re3 Qxh2+ 3.Kf1 Be5 4.Rxe5 fxe5 5.Qe3 Re8 6.Re1 b5 7.Bd5 Qh1+ 8.Ke2 Qh2 9.Kd2 Kf6
± (0.90) Depth: 18 00:09:42 580268kN

Dann Corbit
Posts: 10178
Joined: Wed Mar 08, 2006 7:57 pm
Location: Redmond, WA USA
Contact:

Re: Rxe5!

Post by Dann Corbit » Tue Apr 22, 2008 1:40 am

Quick solvers (so far):

Code: Select all

Analysis from E:\rxe5.epd   
4/21/2008 6:25:19 PM Level: Infinite
Analyzing engine: Belka_1_8_20

1) Rxe5;                
    Searching move: Re2xe5
    Best move (Belka_1_8_20): Re2xe5
    identical moves! Found in: 00:41
      2	00:01	         109	0	+0.11	Bb2c1 Bc8e6 Bc4xe6 Qd6xe6
      2	00:01	         193	0	+0.64	Bc4d5 Bc8g4
      3	00:01	         557	0	+0.10	Bc4d5 Bc8g4 Qf3xg4 Qd6xd5
      3	00:01	         920	0	+0.39	Bb2c1 Bc8e6 Bc4xe6 Qd6xe6 Bc1d2
      3	00:01	       1.801	0	+0.49	Qf3e3 Bc8d7 Bb2c3
      4	00:01	       3.744	0	+0.42	Qf3e3 Bc8f5 Bb2c3 g6g5
      5	00:01	      11.362	0	-2.12	Qf3e3 b7b5 a4xb5 a6xb5 d3d4 b5xc4 d4xe5
      5	00:01	      15.518	969.875	+0.24	Bb2c1 Bc8f5 Qf3g3 g6g5 Bc1d2
      5	00:01	      19.540	1.221.250	+0.32	a4a5 Bc8e6 Re2e4 Qd6c6 Bc4xe6 Qc6xe6
      5	00:01	      26.845	1.677.812	+0.39	Bb2c3 Bc8e6 Bc4xe6 Qd6xe6 Bc3d2 g6g5 Re2e4
      6	00:01	      34.822	1.123.290	+0.33	Bb2c3 Bc8e6 Bc4xe6 Qd6xe6 Re2e4 Qe6f5 Qf3e3 Bc7d6
      7	00:01	      61.470	1.307.872	+0.41	Bb2c3 Bc8e6 Bc4xe6 Qd6xe6 Re2e4 Qe6d5 Bc3d2 f6f5 Bd2h6+ Kg7f7
      7	00:01	     123.779	1.135.587	+0.44	Re2xe5 b7b5 Re5e6 Qd6xh2+ Kg1f1 Bc8xe6 Bb2xf6+ Kg7h6 Bc4xe6 Rh8e8
      8	00:01	     274.025	1.030.169	+0.83	Re2xe5 b7b5 a4xb5 a6xb5 Re5e6 Qd6xh2+ Kg1f1 Bc8xe6 Bb2xf6+ Kg7h6 Bc4xe6 Rh8e8
      9	00:01	     620.103	1.072.842	+0.64	Re2xe5 b7b5 a4xb5 a6xb5 Re5e6 Qd6xh2+ Kg1f1 Bc8xe6 Bb2xf6+ Kg7h6 Bc4xe6 Rh8e8 Qf3e4 Qh2h1+ Kf1e2
     10	00:03	   3.000.335	1.122.879	+0.01	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7e5 Re3xe5 f6xe5 Qf3e3 Rf8e8 f2f3 Qh2h1+ Kf1f2 Qh1h4+ Kf2g1
     10	00:04	   4.098.557	1.106.820	+0.33	Bb2c3 Bc8f5 g2g3 h7h5 Re2e1 h5h4 Bc4d5 h4xg3 f2xg3 Bf5g4 Qf3e4
     10	00:05	   4.789.697	1.102.600	+0.43	a4a5 Bc8f5 Re2e1 Bf5e6 Bc4xe6 Qd6xe6 Re1e4 Qe6d5 Qf3e3 h7h5 Bb2c3
     11	00:06	   6.097.303	1.096.045	+0.44	a4a5 Bc8f5 Re2e1 Rh8e8 g2g3 Bf5e6 Bc4xe6 Qd6xe6 Ra1a4 Re8d8 Kg1g2 Rd8d7
     12	00:11	  11.425.144	1.089.769	+0.40	a4a5 Bc8d7 h2h4 h7h5 Re2e1 Bd7c6 Qf3e3 Bc6d5 Bc4xd5 Qd6xd5 Ra1a4 Rb8a8 Bb2c3
     13	00:16	  16.666.634	1.100.761	+0.45	a4a5 Bc8d7 h2h4 h7h5 Qf3g3 Rb8d8 Bb2c3 Bd7g4 Re2e1 Bg4e6 Bc3d2 Qd6c6 Bc4xe6 Qc6xe6
     14	00:29	  31.473.736	1.112.264	+0.46	a4a5 Bc8d7 Qf3e4 Bd7c6 Qe4h4 g6g5 Qh4g4 Rb8e8 h2h4 h7h5 Qg4g3 g5g4 f2f3 Qd6d7
     14	00:41	  45.651.719	1.120.287	+0.69	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7d6 Ra1e1 h7h5 Bc4e6 Bd6f4 Re3e4 Bf4d2 Re1d1 Bc8xe6 Re4xe6 Qh2f4 Re6e7+ Kg7h8
     15	00:58	  65.658.216	1.134.796	+0.73	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7d6 Ra1e1 h7h5 Bc4e6 Bd6f4 Re3e4 Bf4d2 Re1d1 Bc8xe6 Re4xe6 Qh2f4 Re6e7+ Kg7h6 Qf3d5
   4/21/2008 6:28:53 PM, Time for this analysis: 00:01:01, Rated time: 00:41

1 of 1 matching moves
4/21/2008 6:28:54 PM, Total time: 12:03:35 AM
Rated time: 00:41 = 41 Seconds

Analysis from E:\rxe5.epd   
4/21/2008 6:25:19 PM Level: Infinite
Analyzing engine: ChessTiger2007UCI

1) Rxe5;                
    Searching move: Re2xe5
    Best move (ChessTiger2007UCI): Re2xe5
    identical moves! Found in: 00:02
      2	00:02	         213	0	+0.48	Ra1e1 Bc8e6 Qf3e4 Be6xc4 Qe4xc4
      2	00:02	         317	15.850	+0.54	Qf3d5 Qd6xd5 Bc4xd5
      3	00:02	       1.959	97.950	+0.74	Qf3d5 Qd6xd5 Bc4xd5
      4	00:02	       2.460	123.000	+0.46	Qf3d5 Qd6xd5 Bc4xd5 Bc8g4 f2f3
      4	00:02	       3.914	195.700	+0.58	Qf3e3 Bc8g4 f2f3 Bg4f5 Re2f2
      5	00:02	       9.497	474.850	+0.46	Qf3d5 Qd6xd5 Bc4xd5 Bc8g4 f2f3
      6	00:02	      14.440	481.333	+0.16	Qf3d5 Qd6xd5 Bc4xd5 Bc8f5 Bd5c4 Bf5g4 f2f3
      6	00:02	      21.785	726.167	+0.32	Ra1e1 Bc8e6 Qf3e4 Bc7a5 Re1c1 b7b5 a4xb5 Be6xc4 d3xc4 a6xb5 c4xb5 Rb8xb5
      6	00:02	      26.004	520.080	+0.34	Qf3e4 Bc8e6 a4a5 Be6xc4 Qe4xc4 Qd6e7 Qc4d5
      7	00:02	      37.258	620.967	+0.06	Qf3e4 Bc8f5 Qe4d5 Qd6xd5 Bc4xd5 b7b6 Ra1e1
      7	00:02	      39.634	660.567	+0.34	a4a5 Bc8e6 Bc4xe6 Qd6xe6 Kg1f1 Rh8d8 Ra1a4
      8	00:02	      56.567	707.088	+0.38	a4a5 Bc8e6 Bc4xe6 Qd6xe6 Kg1f1 Kg7f7 Ra1a4 Qe6d7 Re2e3
      8	00:02	      79.125	719.318	+0.72	Re2xe5 Bc8g4 Qf3xg4 f6xe5 Qg4e4 Rh8d8 Ra1e1
      9	00:03	     110.061	687.881	+0.74	Re2xe5 Bc8g4 Qf3xg4 f6xe5 Ra1e1 Qd6e7 Bc4e6 b7b6 Bb2xe5+ Bc7xe5 Re1xe5
     10	00:03	     158.774	756.067	+0.74	Re2xe5 Bc8g4 Qf3xg4 f6xe5 Ra1e1 Qd6e7 Bc4e6 b7b6 Bb2xe5+ Bc7xe5 Re1xe5
     11	00:03	     385.470	837.978	+0.36	Re2xe5 Rh8f8 Re5e1 Qd6xh2+ Kg1f1 Qh2h1+ Kf1e2 Rf8e8+ Ke2d2 Bc7a5+ c2c3 Qh1h6+ Re1e3 Bc8e6 Bc4xe6 Re8xe6 Ra1e1
     12	00:04	   1.080.916	851.115	+0.52	Re2xe5 Rh8f8 Re5e1 Qd6xh2+ Kg1f1 Qh2h1+ Kf1e2 Rf8e8+ Ke2d2 Qh1h6+ Kd2d1 Re8xe1+ Kd1xe1 Bc8f5 g2g4 Rb8e8+ Ke1f1
     13	00:04	   1.450.883	843.537	+0.42	Re2xe5 Rh8f8 Re5e1 Qd6xh2+ Kg1f1 Qh2h1+ Kf1e2 Rf8e8+ Ke2d2 Qh1h6+ Kd2d1 Bc8f5 Re1xe8 Rb8xe8 g2g3 Re8b8 Kd1e2
     14	00:05	   2.554.587	845.890	+0.44	Re2xe5 Rh8f8 Re5e1 Qd6xh2+ Kg1f1 Qh2h1+ Kf1e2 Rf8e8+ Ke2d2 Qh1h6+ Kd2d1 Bc8f5 g2g4 Bc7a5 Re1e3 Re8xe3 f2xe3
     15	00:07	   4.364.311	878.131	+0.38	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7e5 Re3xe5 f6xe5 Qf3e3 Rf8e8 f2f4 Qh2h1+ Kf1f2 Qh1h4+ Kf2g1 b7b6 f4xe5
     16	00:12	   8.711.690	884.436	+0.50	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7e5 Re3xe5 f6xe5 Qf3e3 Qh2h1+ Kf1e2 Qh1h5+ f2f3 Rf8e8 Qe3xc5 Bc8d7 Qc5c7 Qh5f5 Ke2f2
     17	00:20	  15.892.675	913.897	+0.82	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7e5 Re3xe5 f6xe5 Qf3e3 Rf8e8 f2f4 Re8e7 Bb2xe5+ Kg7f8 Qe3xc5 Qh2h1+ Kf1f2 Qh1h4+ Kf2g1
     18	00:27	  23.006.778	921.746	+0.86	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7e5 Re3xe5 f6xe5 Qf3e3 Rf8e8 f2f4 Kg7f8 Bb2xe5 Qh2h1+ Qe3g1 Qh1xg1+ Kf1xg1 Rb8a8 Be5d6+ Kf8g7 Bd6xc5
     19	00:55	  49.632.741	946.467	+0.90	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7d6 Ra1e1 Qh2h1+ Kf1e2 Qh1h6 Bc4e6 Bd6f4 Be6xc8 Bf4xe3 f2xe3 Rb8xc8 Bb2xf6+ Kg7g8 Qf3xb7 Rc8e8 Qb7d5+ Rf8f7 Ke2d2
   4/21/2008 6:32:31 PM, Time for this analysis: 00:01:00, Rated time: 00:02

1 of 1 matching moves
4/21/2008 6:32:32 PM, Total time: 12:07:13 AM
Rated time: 00:02 = 2 Seconds


Dann Corbit
Posts: 10178
Joined: Wed Mar 08, 2006 7:57 pm
Location: Redmond, WA USA
Contact:

Re: Rxe5!

Post by Dann Corbit » Tue Apr 22, 2008 1:47 am

Quick solvers (continued):

Code: Select all

Analysis from E:\rxe5.epd   
4/21/2008 6:25:19 PM Level: Infinite
Analyzing engine: Rybka_WinFinder_v2.2.w32

1) Rxe5;                
    Searching move: Re2xe5
    Best move (Rybka_WinFinder_v2.2.w32): Re2xe5
    identical moves! Found in: 00:02
      4	00:01	       8.865	27.591	+0.34	a4a5
      5	00:01	      11.523	32.685	+0.27	a4a5
      6	00:01	      17.498	39.466	+0.27	a4a5 Bc8f5
      7	00:01	      34.816	50.641	+0.27	a4a5 Bc8f5 Qf3g3
      8	00:02	      61.917	57.902	+0.27	a4a5 Bc8f5 Qf3g3 Rb8e8
      8	00:02	      61.917	57.902	+0.30	Re2xe5
      8	00:02	      61.917	57.902	+0.27	Re2xe5
      8	00:02	      61.917	57.902	+0.48	Re2xe5
      8	00:02	      61.917	57.902	+0.48	Re2xe5
      8	00:03	     124.014	62.007	+0.48	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7e5 Re3xe5 f6xe5 Qf3e3 Qh2h1+ Kf1e2 Qh1h5+ f2f3
      9	00:05	     269.506	64.676	+0.75	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7e5
     10	00:07	     450.878	66.835	+0.61	Re2xe5 Rh8f8 Re5e3 Qd6xh2+
     11	00:12	     757.018	68.515	+0.61	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7d6 Ra1e1 h7h5 Bc4e6 Bd6f4 Be6xc8
     12	00:24	   1.605.513	70.141	+0.68	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7d6 Ra1e1 Qh2h1+ Kf1e2 Qh1h6 g2g3 Qh6g5 Ke2f1 Bc8g4
     13	00:49	   3.350.277	70.893	+0.75	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7d6 Ra1e1 Qh2h1+ Kf1e2 Qh1h6 g2g3 Qh6g5 Ke2f1 Bc8g4
   4/21/2008 6:45:38 PM, Time for this analysis: 00:01:00, Rated time: 00:02

1 of 1 matching moves
4/21/2008 6:45:39 PM, Total time: 12:20:20 AM
Rated time: 00:02 = 2 Seconds

Dann Corbit
Posts: 10178
Joined: Wed Mar 08, 2006 7:57 pm
Location: Redmond, WA USA
Contact:

Re: Rxe5!

Post by Dann Corbit » Tue Apr 22, 2008 1:51 am

Quick solvers (cont II):

Code: Select all

Analysis from E:\rxe5.epd   
4/21/2008 6:25:19 PM Level: Infinite
Analyzing engine: Strelka_2_1

1) Rxe5;                
    Searching move: Re2xe5
    Best move (Strelka_2_1): Re2xe5
    identical moves! Found in: 00:23
      2	00:00	         195	0	+0.53	Bc4d5 Bc8g4
      3	00:00	       1.822	0	+0.38	Qf3e3 Bc8d7 Bb2c3
      4	00:00	       6.069	0	+0.42	Qf3e3 Bc8g4 f2f3 Bg4d7
      5	00:00	      22.325	1.395.312	+0.29	a4a5 Bc8e6 Bc4xe6 Qd6xe6 Bb2c3 Rh8d8 Bc3d2
      6	00:01	      32.208	1.006.500	+0.28	a4a5 Bc8e6 Bc4xe6 Qd6xe6 Re2e4 h7h5 Re4c4 Bc7d6
      7	00:01	     132.797	941.822	+0.44	Re2xe5 b7b5 Re5e6 Qd6xh2+ Kg1f1 Bc8xe6 Bb2xf6+ Kg7h6 Bc4xe6 Rh8e8
      8	00:01	     343.537	998.654	+0.29	Re2xe5 Rh8f8 Re5g5 Qd6xh2+ Kg1f1 Bc7f4 Rg5xc5 Rf8e8 g2g4 Bc8d7
      9	00:02	     732.615	976.820	+0.29	a4a5 Bc8d7 Qf3g3 Bd7c6 Bb2c3 Bc6d5 f2f3 Bd5e6 Bc4xe6 Qd6xe6
     10	00:02	   1.468.869	989.137	+0.36	a4a5 Bc8d7 h2h4 Bd7c6 Qf3g3 Bc6d5 h4h5 g6g5 Bb2c3 Rb8e8 Bc4xd5 Qd6xd5
     11	00:04	   2.463.237	1.010.351	+0.32	a4a5 Bc8d7 Bb2c3 Bd7c6 Qf3g3 Rh8e8 f2f3 Bc6d5 Bc4xd5 Qd6xd5 Re2e4 Rb8d8
     12	00:08	   5.236.610	1.034.289	+0.33	a4a5 Bc8d7 Bb2c3 Rh8e8 Qf3g3 Bd7e6 Bc4xe6 Qd6xe6 Bc3d2 Kg7g8 Re2e4 Rb8d8 f2f3
     13	00:23	  20.398.631	1.051.963	+0.63	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7e5 Re3xe5 f6xe5 Qf3e3 Qh2h1+ Kf1e2 Qh1h5+ Ke2d2 Rf8e8 Ra1h1 Qh5xh1 Bb2xe5+ Kg7f8 Be5d6+ Kf8g7 Qe3xe8
     14	00:35	  33.246.111	1.070.280	+0.79	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7e5 Re3xe5 f6xe5 Qf3e3 Qh2h1+ Kf1e2 Qh1h5+ Ke2d2 Rf8e8 Ra1h1 Qh5xh1 Bb2xe5+ Kg7f8 Be5d6+ Kf8g7 Qe3xe8 Qh1h6+ Kd2c3
     15	00:59	  51.950.975	1.087.978	+0.76	Re2xe5 Rh8f8 Re5e3 Qd6xh2+ Kg1f1 Bc7e5 Re3xe5 f6xe5 Qf3e3 Rf8e8 f2f4 Bc8f5 Bb2xe5+ Kg7h6 Bc4f7 Re8f8 Be5xb8 Qh2h1+ Qe3g1 Qh1xg1+ Kf1xg1 Rf8xf7
   4/21/2008 6:49:13 PM, Time for this analysis: 00:01:01, Rated time: 00:23

1 of 1 matching moves
4/21/2008 6:49:14 PM, Total time: 12:23:55 AM
Rated time: 00:23 = 23 Seconds

User avatar
Jack Lad
Posts: 8470
Joined: Wed Mar 08, 2006 9:01 pm
Location: UK

Re: Rxe5!

Post by Jack Lad » Tue Apr 22, 2008 9:57 am

1. e4 c5 2. b3 Nc6 3. Bb2 Nf6 4. e5 Nd5 5. Bc4 e6 6. Nf3 d6 7. O-O dxe5 8. Nxe5 Nxe5 9. Bxe5 f6 10. Bb2 Bd6 11. Qh5+ g6 12. Qf3 Nf4 13. Bb5+ Kf7 14. Re1 e5 15. Nc3 Kg7 16. Bc4 Bc7 17. Ne2 Nxe2+ 18. Rxe2 Rb8 19. a4 Qd6 20. d3 a6 21. Rxe5 fxe5 22. Qf7+ Kh6 23. Bc1+ Kh5 24. Qg7 Qf8 25. Qxc7 Bf5 26. Qxe5 1-0
[d] 1r3q1r/1p5p/p5p1/2p1Qb1k/P1B5/1P1P4/2P2PPP/R1B3K1 b - - 9 26

It was from a game I played last night - I have recently been testing out 2.b3 followed by 3.Bb2 (the Snyder Variation, named for USCF master Robert M. Snyder - it has been used occasionally by Nigel Short and is a favourite of Georgian GM Tamaz Gelashvili) against the Sicilian and so far it seems to be not too bad. 8-)

Post Reply