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Subject: CM9_OffSet finds Ka5 in 37 seconds on a P3/850...

Author: Dan Ellwein

Date: 18:59:43 07/11/04

Go up one level in this thread


On July 11, 2004 at 12:23:09, Vincent Lejeune wrote:

>
>[d]1R6/r2p4/1k6/1p2P3/pp6/6P1/1PP2P1P/6K1 b - - 0 48
>Find Ka5 with bigger advantage than -3 for black !

Time	Depth	Score	Positions	Moves
0:00	1/4	2.25	2950		1...Ka6 2.Rg8 Rc7 3.Rg6+ Kb7
0:00	1/5	1.63	7067		1...Ka6 2.e6 dxe6 3.h4 Rh7
0:00	1/5	1.27	15506		1...Kc5 2.Rc8+ Kd5 3.f4 a3 4.c4+
					bxc4
0:00	1/6	1.20	35615		1...Kc5 2.Rc8+ Kd5 3.e6 dxe6 4.Rb8
					Kc4 5.h4
0:00	1/6	1.18	60373		1...Kc6 2.e6 dxe6 3.h4 Rh7 4.Kg2
0:01	1/7	1.11	103719		1...Kc6 2.Rc8+ Kd5 3.e6 dxe6 4.Rd8+
					Ke4 5.h4 Rh7 6.Kg2
0:02	1/8	0.55	247510		1...Kc6 2.e6 dxe6 3.Rc8+ Rc7 4.Ra8
					Kd5 5.Rd8+ Ke4 6.h4 Rxc2
0:03	1/8	0.23	290711		1...Kc7 2.Rxb5 a3 3.bxa3 bxa3 4.Rc5+
					Kb6 5.Rc8 a2 6.Rb8+ Kc5
0:03	1/9	0.19	357557		1...Kc7 2.Rxb5 a3 3.bxa3 bxa3 4.Rb1
					a2 5.Ra1 Ra8 6.f4
0:05	1/9	0.00	595160		1...Kc6 2.e6 dxe6 3.Rc8+ Kb7 4.Re8
					a3 5.Re7+ Kb8 6.Re8+ Kb7
0:14	2/10	-0.36	1622975		1...Kc6 2.e6 dxe6 3.Rc8+ Kb7 4.Re8
					a3 5.bxa3 bxa3 6.h4 Kc6
0:33	3/11	-0.62	3770510		1...Kc6 2.e6 dxe6 3.Rc8+ Kb7 4.Rc5
					a3 5.bxa3 bxa3 6.Rxb5+ Kc6 7.Re5
					Kd6 8.Rg5
0:37	3/11	-0.94	4293115		1...Ka5 2.e6 dxe6 3.Re8 a3 4.Rxe6
					a2 5.Re1 b3 6.c3 Kb6 7.h4 a1=Q
					8.Rxa1 Rxa1+ 9.Kg2
0:42	4/12	-0.94	4925547		1...Ka5 2.e6 dxe6 3.Re8 a3 4.Rxe6
					a2 5.Re1 b3 6.c3 Kb6 7.h4 a1=Q
					8.Rxa1 Rxa1+ 9.Kg2
0:57	5/13	-1.08	6865023		1...Ka5 2.e6 dxe6 3.Rd8 a3 4.b3
					Kb6 5.Rd1 Kc5 6.h4 e5 7.g4 a2 8.Ra1
					Kd4
1:32	6/14	-1.18	11162262	1...Ka5 2.e6 dxe6 3.Rd8 a3 4.b3
					Kb6 5.Rd1 Kc5 6.h4 a2 7.Ra1 Kd4
					8.Kg2 Kc3
2:46	7/15	-1.28	19896396	1...Ka5 2.e6 dxe6 3.Rd8 a3 4.b3
					Kb6 5.Rd1 Kc5 6.h4 a2 7.Ra1 Kd4
					8.Kg2 Kc3 9.g4 Kb2 10.Rxa2+ Kxa2
Dan


>
>Shredder 8 on a AMD barton@3000+ : 5min23sec
>
>Analysis by Shredder 8:
>...
>48...Rc7 49.e6 dxe6 50.Tf8 Rb6 51.g4 a3 52.Tc8
>  +-  (1.78)   Profondeur: 8/19   00:00:00  71kN
>48...Rc7 49.e6 dxe6 50.Tf8 Rb7
>  +-  (1.78)   Profondeur: 8/19   00:00:00  71kN
>48...Rc7 49.e6 dxe6 50.Tf8 Rd6 51.Td8+ Re7 52.Td4 Tc7 53.Txb4 Txc2 54.Txb5
>  +-  (1.56)   Profondeur: 9/17   00:00:00  89kN
>48...Rc7 49.Txb5 a3 50.bxa3 bxa3 51.Tb1 a2 52.Ta1 Ta5 53.h4 Txe5
>  +-  (1.81)   Profondeur: 10/18   00:00:00  108kN
>48...Rc7 49.Txb5 d6
>  +-  (2.36)   Profondeur: 10/18   00:00:00  109kN
>48...Rc7 49.Txb5 a3 50.bxa3 bxa3 51.Tb1 Rc6 52.f4 d6 53.e6
>  +-  (3.19)   Profondeur: 10/21   00:00:00  140kN
>48...Rc5 49.c3 bxc3 50.e6
>  +-  (3.18)   Profondeur: 10/23   00:00:00  168kN
>48...Rc5 49.c3 bxc3 50.e6 cxb2 51.Tc8+ Rd4 52.Rg2 b1D 53.exd7 Txd7
>  +-  (2.83)   Profondeur: 10/23   00:00:00  183kN
>48...Rc5 49.c3 bxc3 50.Tc8+ Rd4 51.Txc3 Rxe5 52.Tc5+ d5 53.Txb5 Te7 54.f4+ Re4
>  +-  (1.50)   Profondeur: 10/23   00:00:00  257kN
>48...Ra5 49.e6 dxe6 50.h4 a3 51.f4 axb2 52.Txb5+ Rxb5 53.Rf2 b1D
>  +-  (1.49)   Profondeur: 10/23   00:00:00  301kN
>48...Ra5 49.e6 dxe6 50.h4 a3 51.f4 axb2 52.Txb5+ Rxb5 53.Rf2 b1D
>  ±  (1.14)   Profondeur: 10/23   00:00:00  313kN
>48...Ra5 49.e6 dxe6 50.Te8 Tc7 51.Ta8+ Rb6 52.Tb8+ Ra5 53.h4 Txc2 54.Rh1
>  =  (0.20)   Profondeur: 10/23   00:00:00  343kN
>48...Ra5 49.e6 dxe6 50.g4 a3 51.f4 axb2 52.Txb5+ Rxb5 53.c4+ Rxc4 54.Rg2 b1D
>  =  (-0.05)   Profondeur: 11/17   00:00:00  395kN
>48...Ra5 49.e6 dxe6 50.g4 a3 51.Td8 Rb6 52.Td6+ Rc5 53.Td1 Tg7 54.h3 axb2
>  =  (-0.08)   Profondeur: 11/20   00:00:00  417kN
>48...Ra5 49.e6 dxe6 50.g4 a3 51.Td8 axb2 52.Td1 Rb6 53.Td6+ Rc5 54.Tc6+ Rxc6
>55.Rg2 b1D
>  ³  (-0.33)   Profondeur: 12/23   00:00:01  546kN
>48...Ra5 49.e6 dxe6 50.Td8 Tc7 51.Ta8+ Rb6 52.Tb8+ Ra6 53.Ta8+ Rb7 54.Te8 Txc2
>55.Te7+ Rc8 56.Te8+ Rd7
>  µ  (-0.74)   Profondeur: 12/23   00:00:01  603kN
>48...Ra5 49.e6 dxe6 50.f4 a3 51.Td8 axb2 52.Td1 Rb6 53.Ta1 bxa1D+ 54.Rf2 Rc5
>  ³  (-0.60)   Profondeur: 13/21   00:00:01  888kN
>48...Ra5 49.Td8 a3 50.bxa3 bxa3 51.e6 dxe6 52.Td6 a2 53.Td1 Rb4 54.Tb1+ axb1D+
>55.Rg2 Dxc2
>  µ  (-0.83)   Profondeur: 14/30   00:00:02  1612kN
>48...Ra5 49.e6 dxe6 50.Td8 Tc7 51.Td2 a3 52.b3 a2 53.Td1 Txc2 54.h4 Tb2 55.h5
>Tb1 56.Txb1
>  ³  (-0.58)   Profondeur: 15/32   00:00:03  2323kN
>48...Ra5 49.e6 dxe6 50.Td8 Tc7 51.Td2 a3 52.b3 a2 53.Td1 Txc2 54.h4 Tb2 55.g4
>Tb1 56.Txb1
>  =  (-0.08)   Profondeur: 15/32   00:00:04  2376kN
>48...Ra5 49.e6 dxe6 50.b3 a3 51.Td8 Rb6 52.Td1 Tc7 53.h4 Txc2 54.g4 Tc1 55.Txc1
>  ²  (0.44)   Profondeur: 15/32   00:00:04  2553kN
>48...Rc6 49.e6 dxe6 50.Tc8+ Rd5 51.h4 a3 52.Td8+ Re5 53.bxa3 bxa3 54.f4+ Re4
>55.Td1
>  ²  (0.43)   Profondeur: 15/33   00:00:07  4501kN
>48...Rc6 49.e6 dxe6 50.Tc8+ Rd5 51.h4 a3 52.Td8+ Re5 53.bxa3 bxa3 54.f4+ Re4
>55.Rg2
>  =  (0.08)   Profondeur: 15/33   00:00:09  5715kN
>48...Rc6 49.e6 dxe6 50.Td8 a3 51.bxa3 bxa3 52.Td1 Td7 53.Ta1 b4 54.h4 Td2 55.Ta2
>Rd5
>  =  (-0.24)   Profondeur: 15/33   00:00:13  7924kN
>48...Rc6 49.Tc8+ Rd5 50.Rg2 a3 51.bxa3 bxa3 52.h4 a2 53.Tc3
>  =  (-0.21)   Profondeur: 16/36   00:00:18  10636kN, tb=1
>48...Rc6 49.Tc8+ Rd5 50.Tb8 a3 51.bxa3 bxa3 52.Txb5+ Rc4 53.Tb1 a2 54.Ta1 Rc3
>55.f4 Rb2 56.Txa2+ Txa2 57.h4 Ta8 58.c4
>  ³  (-0.28)   Profondeur: 17/37   00:00:24  13915kN, tb=1
>48...Rc6 49.Tc8+ Rd5 50.Tb8 a3 51.bxa3 bxa3 52.Txb5+ Rc4 53.Tb1 a2 54.Ta1 Rc3
>55.f4 Rb2 56.Td1 a1D 57.Rg2 Dxd1 58.f5 Rxc2
>  ³  (-0.53)   Profondeur: 18/41   00:00:37  20289kN, tb=15
>48...Rc6 49.Tc8+ Rd5 50.Tb8 a3 51.bxa3 bxa3 52.Txb5+ Rc4 53.Tb1 a2 54.Ta1 Rc3
>55.f4 Rb2 56.Txa2+ Txa2 57.h4 Rxc2 58.g4 Ta8
>  ³  (-0.55)   Profondeur: 18/41   00:00:45  24963kN, tb=49
>48...Rc6 49.Tc8+ Rd5 50.Tb8 a3 51.bxa3 bxa3 52.Txb5+ Rc4 53.Tb1 a2 54.Ta1 Rc3
>55.f4 Rb2 56.Txa2+ Txa2 57.h4 Rxc2 58.g4 Ta8 59.f5
>  ³  (-0.53)   Profondeur: 19/44   00:00:59  31035kN, tb=83
>48...Rc6 49.Tc8+ Rd5 50.Tb8 a3 51.bxa3 bxa3 52.Txb5+ Rc4 53.Tb1 a2 54.Ta1 Rc3
>55.f4 Rb2 56.Txa2+ Txa2 57.h4 Rxc2 58.g4 Ta8 59.f5
>  ³  (-0.63)   Profondeur: 20/46   00:01:42  51354kN, tb=237
>48...Rc6 49.Tc8+ Rd5 50.Tb8 a3 51.bxa3 bxa3 52.Txb5+ Rc4 53.Tb1 a2 54.Ta1 Rc3
>55.f4 Rb2 56.Txa2+ Txa2 57.h4 Rxc2 58.g4 Ta8 59.f5
>  ³  (-0.58)   Profondeur: 21/48   00:02:36  75234kN, tb=672
>48...Ra5 49.Rf1 a3 50.bxa3 bxa3 51.Txb5+ Rxb5 52.e6
>  ³  (-0.59)   Profondeur: 21/48   00:03:01  86837kN, tb=702
>48...Ra5 49.Rf1 a3 50.bxa3 bxa3 51.Txb5+ Rxb5 52.e6 dxe6 53.c4+ Rxc4 54.Re2
>  µ  (-0.94)   Profondeur: 21/48   00:03:16  95096kN, tb=773
>48...Ra5 49.e6 dxe6 50.Te8 a3 51.h4 axb2 52.Rg2 b1D 53.Txe6 Dxc2 54.Te5 Ra4
>55.Te1 Ra3 56.Ta1+ Rb2 57.Rg1 Rxa1 58.Rh2
>  -+  (-2.34)   Profondeur: 21/48   00:04:37  132098kN, tb=2394
>48...Ra5 49.e6 dxe6 50.Te8 a3 51.h4 axb2 52.Rg2 b1D 53.Txe6 Dxc2 54.Te5 Ra4
>55.Te1 Ra3 56.Ta1+ Rb2 57.Rg1 Rxa1 58.Rh2 Dxf2+ 59.Rh1 Dxg3
>  -+  (-2.59)   Profondeur: 22/44   00:05:03  145460kN, tb=2522
>48...Ra5 49.e6 dxe6 50.Te8 a3 51.h4 axb2 52.Rg2 b1D 53.Txe6 Dxc2 54.Te5 Ra4
>55.Te1 Ra3 56.Ta1+ Rb2 57.Rg1 Rxa1 58.Rh2 Dxf2+ 59.Rh1 Dxg3
>  -+  (-3.09)   Profondeur: 22/46   00:05:23  156606kN, tb=2593
>48...Ra5 49.e6 dxe6 50.Td8 a3 51.b3 a2 52.Td1 Rb6 53.Ta1 Rc5 54.h4 Rd4 55.Rh2
>Rc3 56.g4 Rb2 57.Te1 Rxc2 58.Tg1 Rxb3
>  -+  (-3.42)   Profondeur: 22/48   00:06:44  187743kN, tb=5797



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