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Subject: Re: testposition: finding a positional plan

Author: Oliver Roese

Date: 09:06:33 03/24/02

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On March 24, 2002 at 09:20:17, Thomas Lagershausen wrote:

>[D]r3kb1r/p4pp1/1n2p2p/np1pP2N/b1pP1BP1/P1P2N2/1P2BP1P/1R3RK1 w kq -
>
>After 20.Ne1! followed by Be3 the f-pawn is free to attack with f2-f4-f5 the
>black basispawn e6.
>
>The position comes from the openingsystem which was in the DeepJunior7-Gulko
>game on the board.
>
>Programs that don“t find a plan in this position are:
>
>Junio7,Hiarcs 7.32,Fritz6c,Gandalf5.1,RebelCentury3.2,CM8777 and lots of others.

Interestengly 20.Ne1! prevents also the activation of the black bishop.
E.g. 20.Be3? Bc2 and black improves.
So if a program doesn't find 20.Ne1 it doesn't understand that either.
If a program does play 20.Ne1 one could put the black to c6 to
see what happens.

Oliver

>
>Only ShredderPaderborn and Fritz 7 are having sufficient chessknowledge to find
>the right plan in this classical position.
>
>[Event "Berlin"]
>[Site "?"]
>[Date "1989.??.??"]
>[Round "?"]
>[White "Sveshnikov, Evgeny"]
>[Black "Lutz, Christopher"]
>[Result "1-0"]
>[ECO "C02"]
>[PlyCount "120"]
>[EventDate "1989.??.??"]
>
>1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. Be2 Bd7
>9. O-O Ne7 10. Re1 h6 11. Rb1 Nc8 12. Nf1 Qb3 13. Qxb3 Nxb3 14. Bf4 Ba4 15. Ng3
>b5 16. Nh5 Nb6 17. g4 Na5 18. Rec1 Nb3 19. Rf1 Na5 20. Ne1 Nc6 21. Be3 O-O-O
>22. f4 g6 23. Ng3 Be7 24. f5 Rdf8 25. Rc1 Bb3 26. Rf2 Na4 27. Bf3 Rfg8 28. Ng2
>gxf5 29. gxf5 Nxb2 30. Rxb2 Bxa3 31. Rbb1 Bxc1 32. Rxc1 a5 33. Nf4 Nd8 34. Nfh5
>a4 35. Nf6 Rf8 36. Ne2 Nc6 37. Nf4 Nd8 38. Kf2 Rhg8 39. Nxg8 Rxg8 40. Nh5 a3
>41. Bxh6 a2 42. Ra1 exf5 43. Bc1 Rh8 44. Kg2 b4 45. Nf4 bxc3 46. Bxd5 Kd7 47.
>Ne2 c2 48. Bg5 Ne6 49. Bxe6+ fxe6 50. Nc3 Ke8 51. h4 Kf7 52. Kf2 Kg6 53. Ke3
>Rb8 54. Kd2 Ba4 55. Rxa2 Rb1 56. Ne2 Bb3 57. Nf4+ Kf7 58. Ra7+ Ke8 59. Ne2 Rd1+
>60. Kc3 Rf1 1-0



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