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Subject: Re: Win for black?

Author: pavel

Date: 16:31:33 05/31/02

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On May 31, 2002 at 19:20:00, John Merlino wrote:

>On May 31, 2002 at 18:52:51, pavel wrote:
>
>>Fritz 7 - Hiarcs 8
>>[D]3Q4/1p6/3kp3/P2b4/8/7r/4K3/8 b - - 0 1
>>
>>Analysis by Hiarcs 8:
>>
>>44...Kc5 45.Qb6+ Kc4
>>  ³  (-0.68)   Depth: 1   00:00:00
>>44...Kc5 45.Qb6+ Kc4
>>  ³  (-0.68)   Depth: 2/8   00:00:00
>>44...Kc5 45.Qb6+ Kc4
>>  ³  (-0.68)   Depth: 3/8   00:00:00
>>44...Kc5 45.Qb6+ Kc4 46.Kd2 Rb3 47.Qc7+ Kd4
>>  ³  (-0.57)   Depth: 4/13   00:00:00
>>44...Kc5 45.Qb6+ Kc4 46.Kd2 Rb3 47.Qc7+ Kd4
>>  ³  (-0.57)   Depth: 5/15   00:00:00  2kN
>>44...Kc5 45.Qb6+ Kc4 46.Kd2 Rb3 47.Qc7+ Kb5 48.Kd1
>>  ³  (-0.66)   Depth: 6/16   00:00:00  9kN
>>44...Kc5 45.Qb6+ Kc4 46.Kd2 Rd3+ 47.Kc2 Rc3+
>>  ³  (-0.56)   Depth: 7/18   00:00:00  21kN, tb=1
>>44...Kc5 45.Qb6+ Kc4 46.Qc7+ Kb4 47.Kd2 Kb5 48.Qb6+ Kc4 49.Qd6
>>  ³  (-0.62)   Depth: 8/21   00:00:00  60kN, tb=16
>>44...Kc5 45.Qb6+ Kc4 46.Qc7+ Kb4 47.Kd2 Rb3 48.Ke2 Ka4 49.Kd2 Rh3
>>  ³  (-0.65)   Depth: 9/24   00:00:01  196kN, tb=61
>>44...Kc5 45.Qb6+ Kc4 46.Qc7+ Kb4 47.Kd2 Rb3 48.Qb6+ Ka4 49.Qa7 Rh3 50.Qb6 Rb3
>>  ³  (-0.66)   Depth: 10/27   00:00:02  544kN, tb=291
>>44...Kc5 45.Qb6+ Kc4 46.Qc7+ Kb4 47.Kd2 Rb3 48.Qb6+ Ka4 49.Qa7 Rh3 50.Qb6 Rh4
>>  ³  (-0.66)   Depth: 11/28   00:00:07  1362kN, tb=892
>>44...Kc5 45.Qb6+ Kc4 46.Qc7+ Kb4 47.Kd2 Rb3 48.Qb6+ Ka4 49.Qa7 Kb4
>>  ³  (-0.66)   Depth: 12/30   00:00:13  2474kN, tb=1718
>>44...Kc5 45.Qb6+ Kc4 46.Qc7+ Kb4 47.Kd2 Rb3 48.Qb6+ Ka4 49.Qa7
>>  ³  (-0.66)   Depth: 13/32   00:01:01  8740kN, tb=5470
>>44...Kc5 45.Qb6+ Kc4 46.Qc7+ Kb4 47.Kd2 Rb3 48.Qb6+ Ka4 49.Qa7 Kb5 50.Qb6+ Kc4
>>51.Qc7+ Kd4 52.Qg7+
>>  ³  (-0.65)   Depth: 14/35   00:02:55  23619kN, tb=15762
>>
>>(Mahamood, home 31.05.2002)
>>
>>Apparently Fritz7 thinks that white has a slight advantage, though I dont see
>>how. IMO yet another interesting endgame.
>
>Chessmaster 9000, on a PIII-733, says draw:
>
>Time	Depth	Score	Positions	Moves
>0:00	1/3	-0.04	1969		1...Kc5 2.Qc7+ Kb4 3.Kd2 Bc6
>0:00	2/4	0.00	3786		1...Kc5 2.Qc7+ Kd4 3.Qf4+ Be4 4.Qd6+
>					Bd5 5.Qf4+
>0:00	3/5	0.00	12597		1...Kc5 2.Qc7+ Kd4 3.Qf4+ Be4 4.Qd6+
>					Bd5 5.Qf4+
>0:00	4/6	-0.03	60720		1...Kc5 2.Qc7+ Kb4 3.Kd2 Bc4 4.Qxb7+
>					Kxa5 5.Qa7+ Kb4 6.Qd4
>0:01	5/7	0.00	154703		1...Kc5 2.Qc7+ Kb4 3.Qb6+ Kc3 4.Qc7+
>					Kd4 5.Qf4+ Be4 6.Qd6+ Bd5 7.Qf4+
>0:10	6/8	0.00	915152		1...Kc5 2.Kd2 Rf3 3.Qb6+ Kc4 4.Qc7+
>					Kd4 5.Qb6+ Ke5 6.Qb2+ Ke4 7.Qb4+
>					Ke5 8.Qb2+
>0:39	7/9	-0.05	3430291		1...Kc5 2.Qb6+ Kc4 3.a6 bxa6 4.Qxa6+
>					Kc5 5.Qa7+ Kd6 6.Qb8+ Kd7 7.Qa7+
>					Kc6 8.Qa6+ Kc7 9.Qa7+ Kd8 10.Qb8+
>					Ke7 11.Qf4
>1:37	8/10	-0.05	8446542		1...Kc5 2.Qb6+ Kc4 3.a6 bxa6 4.Qxa6+
>					Kb4 5.Qb6+ Kc3 6.Qa5+ Kc2 7.Qc5+
>					Rc3 8.Qd4 Bc4+ 9.Ke1 Kb3 10.Qb6+
>					Ka4 11.Qd4
>4:41	9/11	-0.01	24669071	1...Kc5 2.Qb6+ Kc4 3.a6 bxa6 4.Qxa6+
>					Kb4 5.Qb6+ Kc3 6.Qa5+ Kd4 7.Qd2+
>					Kc4 8.Qf4+ Kb3 9.Kd2 Bc4 10.Qb8+
>					Ka4 11.Qe5
>14:56	10/12	-0.01	79378089	1...Kc5 2.Qb6+ Kc4 3.a6 bxa6 4.Qxa6+
>					Kb4 5.Qb6+ Kc3 6.Qa5+ Kd4 7.Qd2+
>					Kc4 8.Qf4+ Kb3 9.Kd2 Bc4 10.Qd6
>					Ka4 11.Qe5
>
>jm


Yes CM is right, this does look like a draw, stupid me ;)


pavs



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