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Subject: Re: Testposition - The Crafty Reward

Author: Sune Larsson

Date: 07:26:41 03/10/01

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On March 10, 2001 at 10:21:55, Robert Hyatt wrote:

>On March 10, 2001 at 04:31:54, Sune Larsson wrote:
>
>>
>>  [D]5Bk1/p1p1p1Pr/4p1Kp/8/p5P1/P1p2pP1/2P2P2/7N w - - 0 1
>>
>>  Mgebrishvili, M  1993
>>
>>
>>  Just a few hours ago the nice study by Fernhout, 1947, was proved
>>  wrong by Crafty. That position is to be found under "The Pawn's Triumph."
>>
>>  To celebrate this rare occasion, Crafty is rewarded the above position
>>  and should be first man out here. The mission is simple ;) white to
>>  move and win.
>>
>>
>>  Test: White moves for the win in a few ;) moves. Solution further down.
>>
>>
>>  Sune
>
>I get the right first move instantly, with the score at +1.4...  After Kf7,
>it takes my quad about 3 seconds to see that g8=Q is no good and then it is
>off to the races to find Kh4.
>
>I didn't go beyond the first 3 white moves, but at any reasonable time control,
>it would find them.  It _might_ find the whole thing in that way...
>
>It isn't going to find it all from the root position however. :)

 You slightly disappoint me here... :)
>
>
>
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>>
>>Mgebrishvili,M
>>1993
>>
>>1.Kh5 Kf7 2.Kh4 Kg8 3.Kh3 Kf7 4.Kh2 Kg8 5.Kg1 Kf7 6.Kf1 Kg8 7.Ke1 Kf7 8.Kd1 Kg8
>>9.Kc1 Kf7 10.Kb1 Kg8 11.Ka2 Kf7 12.Ka1 Kg8 13.Kb1 Kf7 14.Kc1 Kg8 15.Kd1 Kf7
>>16.Ke1 Kg8 17.Kf1 Kf7 18.Kg1 Kg8 19.Kh2 Kf7 20.Kh3 Kg8 21.Kh4 Kf7 22.Kh5 Kg8
>>23.Kg6 a6 24.Kh5 Kf7 25.Kh4 Kg8 26.Kh3 Kf7 27.Kh2 Kg8 28.Kg1 Kf7 29.Kf1 Kg8
>>30.Ke1 Kf7 31.Kd1 Kg8 32.Kc1 Kf7 33.Kb1 Kg8 34.Ka2 Kf7 35.Ka1 Kg8 36.Kb1 Kf7
>>37.Kc1 Kg8 38.Kd1 Kf7 39.Ke1 Kg8 40.Kf1 Kf7 41.Kg1 Kg8 42.Kh2 Kf7 43.Kh3 Kg8
>>44.Kh4 Kf7 45.Kh5 Kg8 46.Kg6 a5 47.Kh5 Kf7 48.Kh4 Kg8 49.Kh3 Kf7 50.Kh2 Kg8
>>51.Kg1 Kf7 52.Kf1 Kg8 53.Ke1 Kf7 54.Kd1 Kg8 55.Kc1 Kf7 56.Kb1 Kg8 57.Ka2 Kf7
>>58.Ka1 Kg8 59.Kb1 Kf7 60.Kc1 Kg8 61.Kd1 Kf7 62.Ke1 Kg8 63.Kf1 Kf7 64.Kg1 Kg8
>>65.Kh2 Kf7 66.Kh3 Kg8 67.Kh4 Kf7 68.Kh5 Kg8 69.Kg6 c6 70.Kh5 Kf7 71.Kh4 Kg8
>>72.Kh3 Kf7 73.Kh2 Kg8 74.Kg1 Kf7 75.Kf1 Kg8 76.Ke1 Kf7 77.Kd1 Kg8 78.Kc1 Kf7
>>79.Kb1 Kg8 80.Ka2 Kf7 81.Ka1 Kg8 82.Kb1 Kf7 83.Kc1 Kg8 84.Kd1 Kf7 85.Ke1 Kg8
>>86.Kf1 Kf7 87.Kg1 Kg8 88.Kh2 Kf7 89.Kh3 Kg8 90.Kh4 Kf7 91.Kh5 Kg8 92.Kg6 c5
>>93.Kh5 Kf7 94.Kh4 Kg8 95.Kh3 Kf7 96.Kh2 Kg8 97.Kg1 Kf7 98.Kf1 Kg8 99.Ke1 Kf7
>>100.Kd1 Kg8 101.Kc1 Kf7 102.Kb1 Kg8 103.Ka2 Kf7 104.Ka1 Kg8 105.Kb1 Kf7 106.Kc1
>>Kg8 107.Kd1 Kf7 108.Ke1 Kg8 109.Kf1 Kf7 110.Kg1 Kg8 111.Kh2 Kf7 112.Kh3 Kg8
>>113.Kh4 Kf7 114.Kh5 Kg8 115.Kg6 c4 116.Kh5 Kf7 117.Kh4 Kg8 118.Kh3 Kf7 119.Kh2
>>Kg8 120.Kg1 Kf7 121.Kf1 Kg8 122.Ke1 Kf7 123.Kd1 Kg8 124.Kc1 Kf7 125.Kb1 Kg8
>>126.Ka2 Kf7 127.Ka1 Kg8 128.Kb1 Kf7 129.Kc1 Kg8 130.Kd1 Kf7 131.Ke1 Kg8 132.Kf1
>>Kf7 133.Kg1 Kg8 134.Kh2 Kf7 135.Kh3 Kg8 136.Kh4 Kf7 137.Kh5 e5 138.Kh4 Kg8
>>139.Kh3 Kf7 140.Kh2 Kg8 141.Kg1 Kf7 142.Kf1 Kg8 143.Ke1 Kf7 144.Kd1 Kg8 145.Kc1
>>Kf7 146.Kb1 Kg8 147.Ka2 Kf7 148.Ka1 Kg8 149.Kb1 Kf7 150.Kc1 Kg8 151.Kd1 Kf7
>>152.Ke1 Kg8 153.Kf1 Kf7 154.Kg1 Kg8 155.Kh2 Kf7 156.Kh3 Kg8 157.Kh4 Kf7 158.Kh5
>>e4 159.Kh4 Kg8 160.Kh3 Kf7 161.Kh2 Kg8 162.Kg1 Kf7 163.Kf1 Kg8 164.Ke1 Kf7
>>165.Kd1 Kg8 166.Kc1 Kf7 167.Kb1 Kg8 168.Ka2 Kf7 169.Ka1 Kg8 170.Kb1 Kf7 171.Kc1
>>Kg8 172.Kd1 Kf7 173.Ke1 Kg8 174.Kf1 Kf7 175.Kg1 Kg8 176.Kh2 Kf7 177.Kh3 Kg8
>>178.Kh4 Kf7 179.Kh5 e6 180.Kh4 Kg8 181.Kh3 Kf7 182.Kh2 Kg8 183.Kg1 Kf7 184.Kf1
>>Kg8 185.Ke1 Kf7 186.Kd1 Kg8 187.Kc1 Kf7 188.Kb1 Kg8 189.Ka2 Kf7 190.Ka1 Kg8
>>191.Kb1 Kf7 192.Kc1 Kg8 193.Kd1 Kf7 194.Ke1 Kg8 195.Kf1 Kf7 196.Kg1 Kg8 197.Kh2
>>Kf7 198.Kh3 Kg8 199.Kh4 Kf7 200.Kh5 e5 201.Kh4 Kg8 202.Kh3 Kf7 203.Kh2 Kg8
>>204.Kg1 Kf7 205.Kf1 Kg8 206.Ke1 Kf7 207.Kd1 Kg8 208.Kc1 Kf7 209.Kb1 Kg8 210.Ka2
>>Kf7 211.Ka1 Kg8 212.Kb1 Kf7 213.Kc1 Kg8 214.Kd1 Kf7 215.Ke1 Kg8 216.Kf1 Kf7
>>217.Kg1 Kg8 218.Kh2 Kf7 219.Kh3 Kg8 220.Kh4 Kf7 221.Kh5 Kg8 222.Kg6 Rxg7+
>>223.Bxg7 e3 224.fxe3 1-0



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