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Subject: Re: Endgame Position : Is this a win for Black or a draw?

Author: Jeroen van Dorp

Date: 10:11:56 01/04/03

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[D]8/8/6p1/1p3p2/5P2/5PKp/PPk5/8 w - - 0 1

Analysis by Fritz 8:

2.b4 Kb2 3.Kxh3
  -+  (-5.72)   Depth: 7/29   00:00:00  11kN, tb=3
2.b4 Kb2 3.Kxh3
  -+  (-5.72)   Depth: 7/29   00:00:00  11kN, tb=3
2.b4!
  -+  (-5.41)   Depth: 8/20   00:00:00  15kN, tb=7
2.b4!
  -+  (-5.12)   Depth: 8/20   00:00:00  16kN, tb=7
2.b4!
  -+  (-4.56)   Depth: 8/20   00:00:00  17kN, tb=7
2.b4 Kc3 3.a4 bxa4 4.b5 a3 5.b6 h2 6.Kxh2
  -+  (-2.12)   Depth: 8/22   00:00:00  22kN, tb=9
2.b4--
  -+  (-2.44)   Depth: 9/17   00:00:00  28kN, tb=11
2.b4 Kd3 3.a4 bxa4 4.b5
  -+  (-3.59)   Depth: 9/17   00:00:00  31kN, tb=11
2.b4!
  -+  (-3.31)   Depth: 10/23   00:00:00  42kN, tb=13
2.b4!
  -+  (-3.03)   Depth: 10/23   00:00:00  45kN, tb=13
2.b4!
  -+  (-2.47)   Depth: 10/23   00:00:00  50kN, tb=13
2.b4 Kd3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qh1 8.Qb3+ Kd4 9.Qb4+ Kd5
10.Qb5+ Ke6 11.Qe2+
  -+  (-1.41)   Depth: 10/26   00:00:00  71kN, tb=15
2.b4!
  µ  (-1.12)   Depth: 11/29   00:00:00  118kN, tb=15
2.b4!
  µ  (-0.84)   Depth: 11/29   00:00:00  148kN, tb=15
2.b4 Kc3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qf1 8.Qh8+ Kd3 9.Qxh3 Qe1+
  µ  (-0.72)   Depth: 12/27   00:00:00  246kN, tb=16
2.b4 Kc3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qf1 8.Qh8+ Kd3 9.Qxh3 Qe1+
  µ  (-0.72)   Depth: 13/26   00:00:00  287kN, tb=20
2.b4 Kc3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qf1 8.Qh8+ Kd3 9.Qxh3 Qe1+
  µ  (-0.72)   Depth: 14/24   00:00:00  343kN, tb=42
2.b4 Kc3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qf1 8.Qh8+ Kd3 9.Qxh3 Qe1+
  µ  (-0.72)   Depth: 15/28   00:00:00  456kN, tb=78
2.b4 Kc3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qf1 8.Qh8+ Kd3 9.Qxh3 Qe1+
  µ  (-0.72)   Depth: 16/32   00:00:00  582kN, tb=612
2.b4 Kc3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qf1 8.Qh8+ Kd3 9.Qb2 Kc4
10.Qh2 Kd5 11.Qd2+ Kc5
  ³  (-0.69)   Depth: 17/33   00:00:01  1008kN, tb=1444
2.b4--
  µ  (-0.97)   Depth: 18/34   00:00:02  1349kN, tb=2782
2.b4 Kd3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qg1+ 8.Kxh3 Ke2 9.Qb7
  -+  (-1.66)   Depth: 18/37   00:00:02  1627kN, tb=2860
2.b4 Kd3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qg1+ 8.Kxh3 Ke2 9.Qc7 Kxf3
10.Qc6+ Kxf4 11.Qc7+ Ke4
  -+  (-1.66)   Depth: 19/40   00:00:03  2475kN, tb=5019
2.b4 Kd3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qg1+ 8.Kxh3 Ke2 9.Qe5+ Kxf3
10.Qd5+ Kxf4 11.Qd6+ Ke4
  -+  (-1.66)   Depth: 20/38   00:00:05  3639kN, tb=7616
2.b4 Kd3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qg1+ 8.Kxh3 Ke2 9.Qe5+ Kxf3
10.Qd5+ Kxf4 11.Qd6+ Ke4
  -+  (-1.59)   Depth: 21/42   00:00:12  8670kN, tb=11501
2.b4 Kd3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qg1+ 8.Kxh3 Ke2 9.Qe5+ Kxf3
10.Qd5+ Kxf4 11.Qd6+ Ke4
  -+  (-1.59)   Depth: 22/51   00:00:20  14846kN, tb=17014
2.b4!
  µ  (-1.31)   Depth: 23/49   00:01:10  63109kN, tb=34645
2.b4 Kd3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qe1+ 8.Kxh3 Ke3 9.Qe5+ Kf2
10.Kh4 Qh1+ 11.Kg5 Qg1+
  µ  (-1.25)   Depth: 23/49   00:01:52  112314kN, tb=46521
2.b4 Kd3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qe1+ 8.Kxh3 Ke3 9.Qe5+ Kf2
10.Kh4 Qh1+ 11.Kg5 Qg1+
  µ  (-1.31)   Depth: 24/63   00:02:32  143674kN, tb=67107
2.b4 Kd3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qe1+ 8.Kxh3 Ke3 9.Qe5+ Kf2
10.Kh4 Qh1+ 11.Kg5 Qh5+
  µ  (-1.37)   Depth: 25/65   00:04:05  223465kN, tb=115142
2.b4 Kd3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qe1+ 8.Kxh3 Ke3 9.Qe5+ Kf2
10.Kh4 Qh1+ 11.Kg5 Qh5+
  µ  (-1.37)   Depth: 26/63   00:07:12  392156kN, tb=213619
2.b4 Kd3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qe1+ 8.Kxh3 Ke3 9.Qe5+ Kf2
10.Kh4 Qh1+ 11.Kg5 Qh5+
  µ  (-1.37)   Depth: 27/69   00:14:41  817341kN, tb=461168
2.b4 Kd3 3.a4 bxa4 4.b5 a3 5.b6 a2 6.b7 a1Q 7.b8Q Qe1+ 8.Kxh3 Ke3 9.Qe5+ Kf2
10.Kh4 Qh1+ 11.Kg5 Qh5+
  µ  (-1.37)   Depth: 28/67   00:33:13  1853863kN, tb=1017525



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