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Subject: Re: Nice rook sacrifice of Gambit Tiger 2.

Author: Jonas Cohonas

Date: 18:59:08 04/10/01

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On April 10, 2001 at 21:55:04, Andreas St. wrote:

>On April 10, 2001 at 18:52:26, John Merlino wrote:
>
>>On April 10, 2001 at 18:02:07, Ernst Walet wrote:
>>
>>>This game of Gambit Tiger 2 brought my FICS RT-II account at the first place on
>>>the standard rating list just about half an hour ago.  For the record, I have a
>>>modest PIII-500E!
>>>
>>>Gambit played a exciting rook sacrifice at move 19.  I kept my fingers crossed
>>>but things worked out well.  The game was fun to watch.
>>>
>>>
>>>Ernst.
>>>
>>>
>>>Date: 10/4/2001
>>>White: cchess
>>>Black: Species
>>>Opening: A36 English: ultra-Symmetrical Variation
>>>White ELO: 2533
>>>Black ELO: 2471
>>>
>>>Time control = 14 2 Engine book(s): ct.tbk
>>>1. c4 c5 2. g3 Nc6 3. Nc3 g6 4. Bg2 Bg7 5. a3 b6 6. e3 Bb7 7. Nge2 Na5 8. Bxb7
>>>Nxb7 9. b4 Nf6 10. Bb2 O-O 11. O-O d5 12. cxd5 Nxd5 13. Qb3 Nxc3 14. dxc3 Qd7
>>>15. c4 Bxb2 16. Qxb2 Rac8 17. Nf4 Nd6 18. Rfd1 Qb7 19. Rxd6 exd6 20. Nd5 Rfd8
>>>21. Nf6+ Kg7 22. Rd1 Qf3 23. Nd7+ Kh6 24. Rxd6 f6 25. bxc5 Rxc5 26. Qd4 Rf5 27.
>>>e4 Ra5 28. Nxf6 Rxd6 29. Ng8+ Kg5 30. Qxd6 Qxe4 31. h3 Qb1+ 32. Kg2 Qe4+
>>>Species resigns
>>>1-0
>>
>>Congratulations, although 27...Re8 [28.Nxf6 Rxf6 29.Rxf6 Qxf6 30.Rxf6 Rxe4]
>>would probably have held better than the text.
>>
>>What was the time control? How much time did your opponent have at 27...Ra5?
>>
>>Position after 18...Qb7, before rook sacrifice:
>>
>>[D]2r2rk1/pq2pp1p/1p1n2p1/2p5/1PP2N2/P3P1P1/1Q3P1P/R2R2K1 w - - 0 1
>>
>>Position after 27.e4 before 27...Ra5?
>>
>>[D]3r4/p2N3p/1p1R1ppk/5r2/2PQP3/P4qP1/5P1P/6K1 w - - 0 1
>>
>>Anybody else care to toss their engine(s) at these?
>>
>>jm
>
>
>Hi,
>
>Chessmaster 6555 (128 MB hash) on 1.2 GHZ Athlon plays 19.Rxd6 after 1:49 min
>and says 0.00.
>
>greetings
>
>AS


New position
2r2rk1/pq2pp1p/1p1n2p1/2p5/1PP2N2/P3P1P1/1Q3P1P/R2R2K1 w - - 0 1

Analysis by Deep Fritz:

1.Rxd6--
  ³  (-0.31)   Depth: 1/4   00:00:00
1.Rxd6-- exd6
  µ  (-1.06)   Depth: 1/5   00:00:00
1.bxc5!
  ³  (-0.62)   Depth: 1/5   00:00:00
1.bxc5! Rxc5
  =  (-0.03)   Depth: 1/5   00:00:00
1.Rac1!
  =  (0.16)   Depth: 1/8   00:00:00
1.Rac1 Qf3
  =  (-0.03)   Depth: 2/5   00:00:00
1.Rac1 cxb4 2.Qxb4 Qf3
  =  (-0.12)   Depth: 3/16   00:00:00  1kN
1.Rac1 Qe4 2.Qa2 Rfd8
  ³  (-0.31)   Depth: 4/13   00:00:00  3kN
1.Rac1 Qe4 2.Qa2 Rfd8 3.b5
  =  (0.00)   Depth: 5/19   00:00:00  15kN
1.Qa2!
  =  (-0.12)   Depth: 5/19   00:00:00  24kN
1.Qa2! Qe4 2.Nd5 Rfd8 3.f3
  =  (-0.09)   Depth: 5/19   00:00:00  26kN
1.Qa2 Rfd8 2.Rac1 Qe4 3.b5 Qf3
  =  (-0.25)   Depth: 6/20   00:00:00  66kN
1.Rac1!
  =  (-0.22)   Depth: 6/22   00:00:00  75kN
1.Rac1! cxb4 2.Qxb4 Rfd8
  =  (-0.06)   Depth: 6/22   00:00:00  92kN
1.Rac1 cxb4 2.Qxb4 Rfd8 3.Rd5 a5 4.Qb3 Rc5
  =  (-0.09)   Depth: 7/21   00:00:00  174kN
1.Rac1 Rfd8 2.Qe2 a6 3.Nd5 e6 4.Nf6+ Kg7 5.Qb2 cxb4
  =  (-0.03)   Depth: 8/24   00:00:00  435kN
1.Rac1 cxb4 2.Qxb4 Rfd8 3.Rd4 Rc7 4.Nd3 Qf3 5.c5 bxc5 6.Nxc5
  =  (-0.09)   Depth: 9/24   00:00:01  1008kN
1.Qa2!
  =  (-0.06)   Depth: 9/26   00:00:01  1504kN
1.Qa2 Qe4 2.Nd5 Rfd8 3.Qe2 Rd7 4.bxc5 Rxc5 5.Rd4 Qe6 6.Rad1
  =  (-0.09)   Depth: 10/27   00:00:03  3084kN
1.Rac1!
  =  (-0.06)   Depth: 10/27   00:00:03  3667kN
1.Rac1 cxb4 2.Qxb4 Rc6 3.c5 Rfc8 4.Nd3 a5 5.Qe1 bxc5 6.Qxa5 c4
  =  (-0.22)   Depth: 11/28   00:00:07  7586kN
1.Qa2!
  =  (-0.19)   Depth: 11/29   00:00:09  9375kN
1.Qa2! Ne4 2.Rac1 Ng5 3.Nd5 cxb4 4.axb4 e6 5.Nf6+ Kg7 6.Qa1 Nh3+
  =  (-0.03)   Depth: 11/32   00:00:15  14285kN
1.Qa2 Ne4 2.Rac1 e6 3.Qc2 cxb4 4.axb4 Ng5 5.Ng2 Qf3 6.Nf4 Qb7
  =  (0.00)   Depth: 12/34   00:00:23  22261kN
1.Rxd6!
  =  (-0.12)   Depth: 12/34   00:00:32  30884kN
1.Rxd6! exd6 2.Nd5 Rfd8 3.bxc5 Rxc5 4.Nf6+ Kf8 5.Nxh7+ Ke7 6.Qf6+ Ke8
  =  (-0.06)   Depth: 12/36   00:00:34  32369kN
1.Rxd6 exd6 2.Nd5 Rfd8 3.bxc5 Rxc5 4.Nf6+ Kf8 5.Nxh7+ Ke7 6.Qf6+ Ke8
  =  (0.00)   Depth: 13/33   00:00:37  35788kN

(, MyTown 12.04.2001)

T-bird
1.3ghz

Regards
Jonas




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