Author: Kurt Utzinger
Date: 06:59:03 05/22/04
Go up one level in this thread
On May 22, 2004 at 06:32:27, Vincent Lejeune wrote:
>On May 22, 2004 at 06:16:45, Kurt Utzinger wrote:
>
>>On May 22, 2004 at 05:50:26, Vincent Lejeune wrote:
>>
>>>On May 22, 2004 at 05:19:29, Kurt Utzinger wrote:
>>>
>>>>Nikolic,P vs Kortschnoj,V
>>>>White chose 48.Kd3? and lost but 48.Kf1! would draw
>>>>Which program finds the correct king move for White?
>>>
>>>S8 want to play Kf1, but the score is far from draw !!
>>
>>
>>>>[D]R7/8/P7/4p1p1/5k2/8/r3K3/8 w - - 0 48
>>
>> Below the main line give by Kortschnoj,V
>> Kurt
>>
>>[Event "Blitz:30'"]
>>[Site "MyTown"]
>>[Date "1984.??.??"]
>>[Round "9"]
>>[White "Nikolic, Predrag"]
>>[Black "Kortschnoj, Viktor"]
>>[Result "0-1"]
>>[ECO "E16"]
>>[WhiteElo "2570"]
>>[BlackElo "2635"]
>>[SetUp "1"]
>>[FEN "R7/8/P7/4p1p1/5k2/8/r3K3/8 w - - 0 48"]
>>[PlyCount "23"]
>>[TimeControl "1800"]
>>
>>48. Kf1 g4 49. Rf8+ Kg3 50. Rf6 e4 51. Rc6 Kf4 52. Rb6 e3 53. Re6 g3 54. Rf6+
>>Ke5 55. Rg6 e2+ 56. Ke1 Kf4 57. a7 Rxa7 58. Kxe2 Ra1 59. Rg8 1/2
>
>Shredder 8 think 55...e2 is a blunder and find the winning line :
>55... Ra1+ 56. Ke2 Kf4 57. Rf6+ Ke4 58. Rg6 Ra2+ 59. Kf1 e2+
>60. Ke1 Kf3 61. Rf6+ Kg4 62. Rg6+ Kh4 63. Rh6+ Kg5 64. Rh3 g2 65. Rg3+ Kf4
>
>0-1
>
>One more time the computer teach chess to the GM !
You are right: Kortschnoj analysis was mistaken and
I could not find a draw in this line. Many thanks
for this hint.
Kurt
[Event "Blitz:30'"]
[Site "MyTown"]
[Date "1984.??.??"]
[Round "9"]
[White "Nikolic, Predrag"]
[Black "Kortschnoj, Viktor"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2570"]
[BlackElo "2635"]
[SetUp "1"]
[FEN "R7/8/P7/4p1p1/5k2/8/r3K3/8 w - - 0 48"]
[PlyCount "23"]
[TimeControl "1800"]
48. Kf1 g4 49. Rf8+ (49. a7 Kg3 50. Re8 Rxa7 51. Rxe5 Ra1+ 52. Ke2 Kg2 {-+})
49... Kg3 50. Rf6 e4 51. Rc6 (51. Re6 Kf4 52. Rf6+ Kg5 53. Re6 Kf5 54. Rb6 g3
55. Rb5+ Kf4 56. Rb6 e3 57. Rg6 e2+ 58. Ke1 Kf3 59. Rf6+ Kg4 60. a7 Rxa7 61.
Kxe2 Kh3 {-+}) 51... Kf4 52. Rb6 e3 53. Re6 (53. Rf6+ Ke5 54. Rg6 Kf5 55. Rb6
g3) 53... g3 54. Rf6+ Ke5 55. Rg6 e2+ (55... Ra1+ 56. Ke2 Kf4 57. Rf6+ Ke4 58.
Rg6 Ra2+ 59. Kf1 e2+ 60. Ke1 Kf3 61. Rf6+ Kg4 62. a7 Rxa7 63. Kxe2 Kh3 64. Rh6+
Kg2 65. Rh8 Re7+ 66. Kd2 Kg1 {-+}) 56. Ke1 Kf4 57. a7 Rxa7 58. Kxe2 Ra1 59. Rg8
{=} 1/2
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