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Subject: Re: Position to ponder

Author: John Merlino

Date: 12:49:30 02/13/02

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On February 13, 2002 at 15:01:25, pavel wrote:

>Chess Tiger 14.0 - Shredder 6
>[D]8/8/3r4/6p1/4k1B1/2K2R2/8/8 w - - 0 1
>
>Analysis by Chess Tiger 14.0:
>
>69.Kc3-c4 Rd6-d2 70.Rf3-f8 Ke4-e3 71.Kc4-c5 Rd2-g2 72.Bg4-h5 g5-g4 73.Rf8-e8+
>Ke3-f2
>  +-  (2.34)   Depth: 9   00:00:00  154kN, tb=54
>69.Kc3-c4 Rd6-d2 70.Rf3-f8 Ke4-e3 71.Kc4-c5 Rd2-g2 72.Bg4-h5 g5-g4 73.Rf8-e8+
>Ke3-f2 74.Kc5-d5
>  +-  (2.34)   Depth: 10   00:00:00  337kN, tb=111
>69.Kc3-c4 Rd6-d1 70.Rf3-f8 Rd1-c1+ 71.Kc4-b5 Rc1-g1 72.Bg4-f5+ Ke4-d4 73.Rf8-g8
>g5-g4 74.Rg8-d8+ Kd4-e5 75.Rd8-f8
>  +-  (2.28)   Depth: 11   00:00:03  1045kN, tb=432
>69.Kc3-c4 Rd6-d1 70.Rf3-f8 Rd1-c1+ 71.Kc4-b3 Rc1-g1 72.Bg4-f5+ Ke4-d4 73.Kb3-c2
>g5-g4 74.Kc2-d2 g4-g3 75.Kd2-e2 Rg1-g2+ 76.Ke2-f1
>  +-  (2.18)   Depth: 12   00:00:09  3250kN, tb=1522
>69.Kc3-c4 Rd6-h6 70.Rf3-f7 Rh6-h4 71.Bg4-c8 g5-g4 72.Rf7-d7 Ke4-e3 73.Rd7-d3+
>Ke3-f2 74.Rd3-d4 Rh4-h3 75.Rd4-d2+ Kf2-f1 76.Rd2-d7
>  +-  (1.94)   Depth: 13   00:00:35  12081kN, tb=4966
>69.Rf3-g3 Ke4-f4 70.Rg3-g1 Rd6-a6 71.Kc3-d4 Ra6-a3 72.Bg4-e2 g5-g4 73.Rg1-f1+
>Kf4-g5 74.Be2-d3 g4-g3 75.Kd4-e3 g3-g2 76.Rf1-f5+ Kg5-g4
>  +-  (2.06)   Depth: 13   00:00:45  15209kN, tb=7564
>
>(Mahamood, MyTown 13.02.2002)
>
>
>Analysis by Shredder 6:
>
>69...Ke4-f4 70.Kc3-b4
>  ³  (-0.26)   Depth: 1/2   00:00:00
>69...Ke4-f4 70.Rg3-g2
>  ³  (-0.26)   Depth: 2/4   00:00:00
>69...Ke4-f4 70.Rg3-g1 Rd6-g6
>  ³  (-0.31)   Depth: 3/6   00:00:00
>69...Ke4-f4 70.Rg3-g1 Rd6-g6 71.Kc3-d3
>  =  (-0.14)   Depth: 4/8   00:00:00
>69...Ke4-f4 70.Rg3-g1 Rd6-d8 71.Bg4-e6 Rd8-d6 72.Kc3-c2
>  ³  (-0.26)   Depth: 5/10   00:00:00
>69...Ke4-f4 70.Rg3-g1 Rd6-d8 71.Bg4-e6 Rd8-e8 72.Be6-d7
>  =  (-0.12)   Depth: 6/12   00:00:00
>69...Ke4-f4 70.Rg3-g1 Rd6-a6 71.Kc3-d4 Ra6-a2 72.Kd4-d3 Ra2-a3+ 73.Kd3-e2
>  =  (-0.06)   Depth: 7/14   00:00:00  14kN, tb=292
>69...Ke4-f4 70.Rg3-g1 Rd6-a6 71.Bg4-e2 Ra6-c6+ 72.Kc3-d4 Rc6-d6+ 73.Kd4-c5
>Rd6-d2 74.Rg1-g2
>  =  (-0.05)   Depth: 8/16   00:00:00  30kN, tb=723
>69...Ke4-f4 70.Rg3-g1 Rd6-a6 71.Bg4-e2 Ra6-c6+ 72.Kc3-d2 Rc6-d6+ 73.Be2-d3 g5-g4
>74.Rg1xg4+ Kf4xg4
>  =  (-0.01)   Depth: 9/18   00:00:00  60kN, tb=1707
>69...Ke4-f4 70.Rg3-g1 Rd6-a6 71.Bg4-e2 Ra6-c6+ 72.Kc3-d2 Rc6-d6+ 73.Be2-d3 g5-g4
>74.Rg1xg4+ Kf4xg4
>  =  (-0.01)   Depth: 10/20   00:00:00  133kN, tb=4019
>69...Ke4-f4 70.Rg3-g1 Rd6-a6 71.Bg4-e2 Ra6-c6+ 72.Kc3-d2 Rc6-d6+ 73.Be2-d3 g5-g4
>74.Rg1xg4+ Kf4xg4
>  =  (-0.01)   Depth: 11/22   00:00:01  217kN, tb=6821
>69...Ke4-f4 70.Rg3-g1 Rd6-g6 71.Kc3-d4 Rg6-d6+ 72.Kd4-c5 Rd6-a6 73.Kc5-d5
>  =  (-0.01)   Depth: 12/24   00:00:01  423kN, tb=12440
>69...Ke4-f4 70.Rg3-g1 Rd6-g6 71.Kc3-d4 Rg6-d6+ 72.Kd4-c5 Rd6-a6 73.Bg4-d7 Ra6-g6
>74.Rg1-f1+ Kf4-g3 75.Bd7-f5 Kg3-g2 76.Rf1-d1
>  =  (0.00)   Depth: 13/25   00:00:02  642kN, tb=18694
>69...Ke4-f4 70.Rg3-g1 Rd6-g6 71.Kc3-d4 Rg6-d6+ 72.Kd4-c5 Rd6-a6 73.Bg4-d7 Ra6-g6
>74.Rg1-g4+ Kf4-e5
>  =  (0.00)   Depth: 14/26   00:00:04  1086kN, tb=29673
>69...Ke4-f4 70.Rg3-g1 Rd6-g6 71.Kc3-d4 Rg6-d6+ 72.Kd4-c5 Rd6-a6 73.Bg4-d7 Ra6-g6
>74.Rg1-g4+ Kf4-e5
>  =  (0.00)   Depth: 15/27   00:00:06  1567kN, tb=40819
>69...Ke4-f4 70.Rg3-g1 Rd6-g6 71.Kc3-d4 Rg6-d6+ 72.Kd4-c5 Rd6-a6 73.Bg4-d7 Ra6-g6
>74.Rg1-g4+ Kf4-e5
>  =  (0.00)   Depth: 16/28   00:00:09  2284kN, tb=56293
>
>(Mahamood, MyTown 13.02.2002)
>
>
>
>Why does chesstiger thinks it's better.
>A possible bug?
>
>pavs

Chessmaster 8000 sees this as "a draw":

Time	Depth	Score	Positions	Moves
0:00	2/3	0.36	1465		1.Kc2 Rd5 2.Rg3
0:00	2/3	0.37	2671		1.Rf5 Rd5 2.Rf2
0:00	2/3	0.38	3374		1.Rf1 Rd3+ 2.Kc2 Rg3 3.Bf5+ Ke5
0:00	3/4	0.39	7151		1.Rf1 Rd3+ 2.Kc4 Rd4+ 3.Kc5 Rd5+
					4.Kc6 Rd8 5.Rf5
0:00	4/5	0.37	31675		1.Rf1 Rd3+ 2.Kc4 Rd4+ 3.Kc5 Rd5+
					4.Kc6 Rd2 5.Bf3+ Kf4 6.Bd5+ Ke5
0:01	5/6	0.37	94219		1.Rf1 Rd3+ 2.Kc4 Rd4+ 3.Kc5 Rd5+
					4.Kc6 Rd2 5.Re1+ Kf4 6.Rg1 Ke5
0:04	6/7	0.37	424577		1.Rf1 Rd3+ 2.Kc4 Rd4+ 3.Kc5 Rd5+
					4.Kc6 Ra5 5.Kd6 Ra6+ 6.Kc5 Ra5+
					7.Kc6 Ke3 8.Rf3+ Ke4
0:14	7/8	0.36	1343359		1.Rf1 Rd3+ 2.Kc4 Rg3 3.Bd7 g4 4.Be6
					Ke5 5.Re1+ Kf4 6.Bd5
0:23	7/8	0.39	2182971		1.Rg3 Kf4 2.Rg2 Rc6+ 3.Kb4 Rg6
					4.Bh5 Rd6 5.Kc3
0:29	8/9	0.38	2688847		1.Rg3 Kf4 2.Rg1 Rc6+ 3.Kb4 Rb6+
					4.Kc5 Rb3 5.Be2 Re3 6.Rg4+ Kf5
					7.Bd1
0:54	9/10	0.37	5184358		1.Rg3 Kf4 2.Rg1 Rc6+ 3.Kb4 Rb6+
					4.Kc5 Rb3 5.Bd1 Rg3 6.Rf1+ Ke4
					7.Bc2+ Ke3 8.Kd5 Rf3

jm



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