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Subject: Re: Test position: rook ending

Author: Vincent Lejeune
Date: 02:50:26 05/22/04
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 !!

AMD 2800+@12*180Mhz, 384 MB hash, all 3-4-5 TB + KRPPKR

Analysis by Shredder 8:
...
1.Rd3 e4+ 2.Rc4 Ta1 3.Tf8+ Re3 4.Tf6 g4 5.Tg6 Rf3 6.Tf6+ Re2
  -+  (-2.29)   Profondeur: 8/24   00:00:06  57kN, tb=1011
1.Rd3 e4+ 2.Rc4 g4 3.Rb5 e3 4.Tf8+ Re4 5.Tf1 e2 6.Rb6 exf1D
  -+  (-2.54)   Profondeur: 9/19   00:00:09  74kN, tb=1255
1.Rd3 e4+ 2.Rd4 e3 3.a7 e2 4.Tf8+ Rg3 5.Te8 Td2+ 6.Rc5 Rf3 7.a8D+ Td5+ 8.Rxd5
  -+  (-2.54)   Profondeur: 9/27   00:00:10  107kN, tb=1561
1.Rf1 Re3 2.Tg8 g4 3.Tg5 Ta1+ 4.Rg2 Re4
  -+  (-2.53)   Profondeur: 9/27   00:00:11  113kN, tb=1725
1.Rf1 Re3 2.Tg8 g4 3.Tg5 Re4 4.Re1 Ta1+ 5.Rf2 Rd3
  -+  (-2.18)   Profondeur: 9/27   00:00:11  115kN, tb=1785
1.Rf1 e4 2.Tf8+ Rg3 3.Tf6 e3 4.Te6 Rf3 5.Tf6+ Re4 6.Te6+ Rd4 7.Td6+ Re4 8.Te6+
Rd4 9.Td6+ Re4 10.Te6+ Rd4
  -+  (-2.04)   Profondeur: 9/27   00:00:12  133kN, tb=2223
1.Rf1 e4 2.Tf8+ Re3 3.Tf6 g4 4.Th6
  -+  (-2.40)   Profondeur: 10/18   00:00:13  141kN, tb=2363
1.Rf1 e4 2.Tf8+ Re3 3.Tf6 Ta1+ 4.Rg2 g4
  -+  (-2.40)   Profondeur: 10/19   00:00:13  153kN, tb=2517
1.Rd3 e4+ 2.Rc4 g4 3.a7 e3 4.Tf8+ Re5 5.a8D Ta6
  -+  (-2.39)   Profondeur: 10/29   00:00:14  219kN, tb=2740
1.Rd3 e4+ 2.Rc4 e3 3.a7 Rg4 4.Rd4 e2 5.Te8 Td2+ 6.Rc5 Rh4 7.a8D e1D 8.Txe1
  -+  (-2.05)   Profondeur: 10/29   00:00:15  293kN, tb=3149
1.Rd3 e4+ 2.Rc4 e3 3.a7 e2 4.Tf8+ Rg4 5.Te8 Txa7 6.Te4+ Rf3 7.Te3+ Rxe3 8.Rb3
e1D
  -+  (-2.30)   Profondeur: 11/22   00:00:16  323kN, tb=3424
1.Rd3 e4+ 2.Rd4 e3 3.a7 e2 4.Tf8+ Rg3 5.Te8 Txa7 6.Txe2 Td7+ 7.Rc5 g4 8.Te4
  -+  (-2.39)   Profondeur: 11/30   00:00:17  469kN, tb=3874
1.Rf1 e4 2.Tf8+ Re3 3.Tf6 Ta1+ 4.Rg2 g4
  -+  (-2.38)   Profondeur: 11/30   00:00:17  491kN, tb=3992
1.Rf1 e4 2.Tf8+ Re3 3.Tf6 g4 4.Tg6 Ta1+ 5.Rg2 Rf4 6.Rf2 Ta2+ 7.Rf1 Re3 8.Tf6 g3
9.a7 Txa7
  -+  (-2.38)   Profondeur: 11/30   00:00:17  496kN, tb=4072
1.Rf1 e4 2.Tf8+ Re3 3.Tf6 g4 4.Tg6 Ta1+ 5.Rg2 Rf4 6.Te6 Ta2+ 7.Rf1 Re3 8.Tg6
Ta1+ 9.Rg2 Rf4 10.Te6 Ta2+ 11.Rf1 Re3 12.Tg6 Ta1+
  -+  (-2.37)   Profondeur: 12/27   00:00:17  545kN, tb=4342
1.Rd3 e4+ 2.Rc4 e3 3.a7 e2 4.Tf8+ Rg4 5.Te8 Txa7 6.Txe2 Td7
  -+  (-2.36)   Profondeur: 12/29   00:00:18  634kN, tb=4585
1.Rd3 e4+ 2.Rc4 e3 3.a7 e2 4.Tf8+ Re3 5.Te8+ Rf2 6.Tf8+ Rg2 7.Te8 Txa7 8.Txe2+
Rf1 9.Te4 Tg7
  -+  (-2.29)   Profondeur: 12/29   00:00:18  752kN, tb=4806
1.Rd3 e4+ 2.Rc4 e3 3.a7 e2 4.Tf8+ Rg3 5.a8F e1D 6.Tf3+ Rg4 7.Tg3+ Dxg3 8.Ff3+
Rxf3 9.Rb3 Dh4
  -+  (-2.54)   Profondeur: 13/24   00:00:21  811kN, tb=5290
1.Rd3 e4+ 2.Rc4 e3 3.a7 e2 4.Tf8+ Rg3 5.a8F e1D 6.Tf3+ Rg4 7.Tg3+ Dxg3 8.Ff3+
Rxf3 9.Rb3 Dh4
  -+  (-3.04)   Profondeur: 13/27   00:00:22  873kN, tb=5669
1.Rd3 e4+ 2.Rc4 e3 3.Tf8+ Rg3 4.Rb5 e2 5.Te8 g4 6.a7 Rf2 7.Tf8+ Rg2 8.Te8 Ta1
  -+  (-3.79)   Profondeur: 13/33   00:00:25  1816kN, tb=6835
1.Rf1 e4
  -+  (-3.78)   Profondeur: 13/33   00:00:26  1823kN, tb=6983
1.Rf1 e4 2.Tf8+ Re3 3.Tf6 g4 4.Tg6 Ta1+ 5.Rg2 Rf4 6.Te6 Ta2+ 7.Rf1 Ta1+ 8.Rf2
Tf1+ 9.Rxf1 Rg3 10.Txe4 Rh3
  -+  (-3.43)   Profondeur: 13/33   00:00:26  1845kN, tb=7212
1.Rf1 e4 2.Tf8+ Re3 3.Tf6 g4 4.Tg6 Ta1+ 5.Rg2 Rf4 6.Te6 Ta2+ 7.Rf1 g3 8.Tg6 e3
9.Te6
  -+  (-2.33)   Profondeur: 13/33   00:00:27  1910kN, tb=7777
1.Rf1 e4 2.Tf8+ Re3 3.Tf6 g4 4.Tg6 Ta1+ 5.Rg2 Rf4 6.Te6 Ta2+ 7.Rf1 g3 8.Tg6 e3
9.Tf6+ Re4 10.Tg6
  -+  (-2.41)   Profondeur: 14/27   00:00:30  1994kN, tb=8636
1.Rf1 e4 2.Tf8+ Rg3 3.Tf6 g4 4.Te6 Ta1+ 5.Re2 Te1+ 6.Rxe1 Rf3 7.a7 g3 8.a8D Re3
9.Txe4+ Rf3
  -+  (-2.52)   Profondeur: 15/34   00:00:53  2331kN, tb=13322
1.Rf1 e4 2.Tf8+ Rg3 3.Tf6 g4 4.Te6 Ta1+ 5.Re2 Rf4 6.Tf6+ Rg5 7.Tf1 Txa6 8.Re3
Ta4 9.Tg1 Tc4 10.Tg2
  -+  (-2.53)   Profondeur: 16/37   00:01:04  2650kN, tb=18041
1.Rf1 e4 2.Tf8+ Re3 3.Tf6 g4 4.Th6 Ta1+ 5.Rg2 Rf4 6.Rf2 e3+ 7.Re2 Ta2+ 8.Rd3 g3
9.Tf6+ Re5 10.Te6+ Rxe6 11.Rc4
  -+  (-2.76)   Profondeur: 17/38   00:01:32  3702kN, tb=30335
1.Rf1 e4 2.Tf8+ Re3 3.Tf6 g4 4.Tc6 g3 5.Rg1
  -+  (-2.77)   Profondeur: 18/37   00:02:16  4558kN, tb=41541
1.Rf1 Rg3 2.Tg8 g4 3.Tg6 Rf4 4.Tf6+ Rg5 5.Tb6 Rf5 6.Re1 g3 7.Tf6+ Rxf6 8.Rd1
  -+  (-3.01)   Profondeur: 19/43   00:04:38  7817kN, tb=89228
1.Rf1 Rg3 2.Tg8 g4 3.Tg6 Rf4 4.Tf6+ Rg5 5.Tb6 Rf5 6.Rg1 e4 7.Tb5+ Rf4 8.Tb6 Ta1+
9.Rf2 e3+ 10.Re2 Tb1 11.Txb1 g3
  -+  (-3.02)   Profondeur: 20/41   00:06:17  8961kN, tb=109965
1.Rf1 Rg3 2.Tg8 g4 3.Tg6 Rf4 4.Tf6+ Rg5 5.Tb6 Rf5 6.Rg1 e4 7.Tb5+ Rf4 8.Tb6 Ta1+
9.Rf2 g3+ 10.Rg2 Ta2+ 11.Rg1
  -+  (-3.02)   Profondeur: 21/41   00:08:31  10394kN, tb=134356



>[D]R7/8/P7/4p1p1/5k2/8/r3K3/8 w - - 0 48
>
>
>[Event "Wijk"]
>[Site "Wijk aan Zee"]
>[Date "1984.??.??"]
>[Round "9"]
>[White "Nikolic, Predrag"]
>[Black "Kortschnoj, Viktor"]
>[Result "0-1"]
>[ECO "E16"]
>[WhiteElo "2570"]
>[BlackElo "2635"]
>[PlyCount "108"]
>
>1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 c5 7. O-O O-O 8. d5
>Bxd2 9. Qxd2 exd5 10. Nh4 Ne4 11. Qc2 Re8 12. Nc3 Nxc3 13. bxc3 Nc6 14. cxd5
>Ne5 15. Rfe1 d6 16. f4 Ng6 17. Nxg6 hxg6 18. e4 g5 19. e5 gxf4 20. gxf4 dxe5
>21. fxe5 Qg5 22. Qe4 Re6 23. Qe3 Rg6 24. Qxg5 Rxg5 25. c4 Re8 26. Rad1 Bc8 27.
>Rd3 Rgxe5 28. Rxe5 Rxe5 29. Ra3 Re7 30. d6 Re1+ 31. Kf2 Rd1 32. Bd5 Be6 33.
>Bxe6 fxe6 34. Rxa7 Rxd6 35. Ke3 Rd4 36. Ra6 Rxc4 37. Rxb6 Kf7 38. Rb2 g5 39.
>Kd3 Rh4 40. Rc2 Kf6 41. Rxc5 Rxh2 42. a4 Rh3+ 43. Ke2 e5 44. Rc8 Ra3 45. Ra8
>Kf5 46. a5 Kf4 47. a6 Ra2+ 48. Kd3 e4+ 49. Kd4 e3 50. Rf8+ Kg3 51. Kxe3 Rxa6
>52. Rf3+ Kg4 53. Rf8 Ra2 54. Rg8 Rg2 0-1
Re: Test position: rook ending Kurt Utzinger 03:16:45 05/22/04
- Re: Test position: rook ending Vincent Lejeune 03:32:27 05/22/04
  - Re: Test position: rook ending (Kortschnoj's wrong analysis) Kurt Utzinger 06:59:03 05/22/04
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