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Subject: Re: My second game against Genius classic7 ......marshall attack refuted?

Author: Uri Blass

Date: 16:19:53 12/22/02

Go up one level in this thread


On December 22, 2002 at 14:07:36, robert flesher wrote:

>Well! i have found a program i truely enjoy to play as it plays into all my
>opening novelties:) i will admit that the novelty in this game is not mine but
>its a great way to refute this variation of the marshall. Enjoy! ....Cheers~
>[Event "?"]
>[Site "?"]
>[Date "2002.12.22"]
>[Round "?"]
>[White "Robert"]
>[Black "Genius7"]
>[Result "1-0"]
>[ECO "C89"]
>
>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
>d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3
>15. Be3 Bg4 16. Qd3 Rae8 17. Nd2 Re6 18. a4 f5 19. axb5!! not found in any book
>but strong as hell ..

This move is found by Deep Fritz on p850(64 mg hash) at depthes 10,12,14
It proves that trusting existing books may be a mistake because programs may
find better moves by search.


Robert - Genius7
5rk1/6pp/p1pbr3/1p1n1p2/P2P2b1/1BPQB1Pq/1P1N1P1P/R3R1K1 w - f6 0 1

Analysis by Deep Fritz:

19.Bxd5 cxd5 20.axb5
  ±  (1.19)   Depth: 1/6   00:00:00
19.Bxd5 cxd5 20.axb5 f4 21.gxf4 Bxf4
  ±  (1.16)   Depth: 4/13   00:00:00  3kN
19.Bxd5 cxd5 20.axb5 f4 21.gxf4 Bxf4
  ±  (1.16)   Depth: 4/13   00:00:00  3kN
19.Bxd5 cxd5 20.axb5 f4 21.gxf4 Bxf4
  ±  (1.16)   Depth: 4/13   00:00:00  3kN
19.Bxd5--
  ±  (0.84)   Depth: 5/19   00:00:00  18kN
19.Bxd5-- cxd5 20.axb5 f4 21.gxf4 Bxf4 22.Nf1
  ±  (0.72)   Depth: 5/24   00:00:00  23kN
19.Bg5!
  ±  (0.75)   Depth: 5/25   00:00:00  53kN
19.Bg5! Rxe1+ 20.Rxe1 Qh5 21.f4 bxa4
  ±  (0.78)   Depth: 5/25   00:00:00  61kN
19.Bg5 Rxe1+ 20.Rxe1 Qh5 21.f4 Re8 22.Rxe8+ Qxe8
  ±  (0.91)   Depth: 6/26   00:00:00  131kN
19.Bg5--
  ²  (0.59)   Depth: 7/26   00:00:00  450kN
19.Bg5-- f4 20.Rxe6 Bxe6 21.axb5 fxg3 22.fxg3 axb5
  ²  (0.56)   Depth: 7/28   00:00:00  592kN
19.Qf1!
  ²  (0.59)   Depth: 7/28   00:00:01  1087kN
19.Qf1! Qxf1+ 20.Nxf1 Kf7 21.axb5 axb5 22.Ra6 Rc8 23.Nd2
  ±  (0.78)   Depth: 7/28   00:00:01  1286kN
19.Qf1 Qxf1+ 20.Nxf1 Kf7 21.axb5 axb5 22.Ra7+ Kg6 23.Ra6 Rc8 24.Nd2
  ±  (0.78)   Depth: 8/27   00:00:02  1600kN
19.Qf1 Qxf1+ 20.Nxf1 Kf7 21.axb5 axb5 22.Ra7+ Kg6 23.Ra6 Rc8 24.Nd2 Kf6
  ±  (0.78)   Depth: 9/29   00:00:04  3384kN
19.Bg5!
  ±  (0.81)   Depth: 9/30   00:00:06  4220kN
19.Bg5! f4 20.Rxe6 Bxe6 21.axb5 fxg3 22.fxg3 axb5 23.Ra6
  ±  (0.91)   Depth: 9/30   00:00:08  5546kN
19.Bg5--
  ²  (0.59)   Depth: 10/32   00:00:12  9268kN
19.Bg5--
  ²  (0.59)   Depth: 10/32   00:00:13  10031kN
19.axb5!
  ²  (0.63)   Depth: 10/32   00:00:16  12163kN
19.axb5! f4 20.Bxf4 Bxf4 21.Rxe6 Bxe6 22.bxa6 Ra8 23.Bc4 Bxd2 24.Qxd2 Ra7
  ²  (0.69)   Depth: 10/32   00:00:17  13145kN
19.Qf1!
  ±  (0.72)   Depth: 10/32   00:00:20  14648kN
19.Qf1! bxa4 20.Rxa4 f4 21.Bxf4 Qxf1+ 22.Rxf1 Bxf4 23.gxf4 Re2 24.Nc4 Rb8
  ±  (0.78)   Depth: 10/32   00:00:23  16947kN
19.Qf1 bxa4 20.Rxa4 f4 21.Qxh3 Bxh3 22.Rxa6 fxe3 23.fxe3 Rc8 24.e4 Kf7
  ²  (0.63)   Depth: 11/33   00:00:32  23828kN
19.Qf1 Qh5 20.f4 Kh8 21.Bxd5 cxd5 22.axb5 Qe8 23.Qd3 Qxb5 24.Qxb5 axb5
  ²  (0.69)   Depth: 12/34   00:01:27  64342kN
19.axb5!
  ±  (0.72)   Depth: 12/34   00:01:47  80440kN
19.axb5! f4 20.Bxf4 Bxf4 21.Rxe6 Bxe6 22.bxa6 Bxd2 23.Qxd2 Qf5 24.Bc4 Ra8
  ±  (0.88)   Depth: 12/34   00:02:03  92649kN
19.axb5 f4 20.Bxf4 Bxf4 21.Rxe6 Bxe6 22.bxa6 Qg4 23.a7 Ra8 24.Qc4
  ±  (0.81)   Depth: 13/36   00:03:22  155647kN
19.Qf1!
  ±  (0.84)   Depth: 13/38   00:04:26  204252kN
19.Qf1! Qh5 20.f4 Kh8 21.Bxd5 cxd5 22.axb5 Qe8 23.Kf2 axb5
  ±  (0.88)   Depth: 13/39   00:05:10  236807kN
19.Qf1 Qh5 20.f4 bxa4 21.Rxa4 Rb8 22.Bf2 Re2 23.Rxa6 Rxd2 24.Bxd5+ cxd5
  ±  (0.75)   Depth: 14/36   00:07:38  348564kN
19.axb5!
  ±  (0.78)   Depth: 14/39   00:09:23  434272kN
19.axb5! f4 20.Bxf4 Bxf4 21.Rxe6 Bxe6 22.bxa6 Bxd2 23.Qxd2 Nc7 24.Bxe6+ Qxe6
  ±  (0.88)   Depth: 14/40   00:11:39  537347kN

(blass, tel-aviv 23.12.2002)


Uri




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