Author: John Merlino
Date: 19:04:35 02/27/03
Go up one level in this thread
On February 26, 2003 at 14:38:41, Steffen Jakob wrote:
>Here is another one from Hossa - Fritz 8:
>
>[D]3r2k1/6pp/4bp2/8/1ppBP1P1/1q3P2/1P1R2KP/4Q3 b - - 0 39
>
>Fritz played 39... Rxd4 and was able to win the game with the b and c pawn.
>Nevertheless 39... Rxd4 is only a draw (please correct me if I am wrong) and
>therefore it should be avoided or at least evaluated as a draw.
>
>Main line: 39... Rxd4 40. Rxd4 Qxb2+ 41. Rd2 Qb3 42. Rd8+ {here Hossa played 42.
>Qh4?} Kf7 43. Qf2
>
>[D]3R4/5kpp/4bp2/8/1pp1P1P1/1q3P2/5QKP/8 b - - 0 43
>
>Whites queen becomes active and black has to give perpetual checks e.g. after
>43... g5 44. Qa7+ Kg6 45. Qe7.
>
>Greetings,
>Steffen.
Chessmaster 9000, on a P3-733, avoids Rxd4 and chooses Rc8 after five seconds:
Time Depth Score Positions Moves
0:00 1/3 0.57 824 39...c3 40.bxc3 bxc3 41.Bxc3
0:00 1/3 -0.06 1146 39...Rxd4 40.Rxd4 Qxb2+ 41.Rd2 Qa3
0:00 1/4 -0.27 5441 39...Rxd4 40.Rxd4 Qxb2+ 41.Rd2
Qa3 42.Rd8+ Kf7 43.Qb1
0:00 1/5 -0.27 18906 39...Rxd4 40.Rxd4 Qxb2+ 41.Rd2
Qa3 42.Kf2 Qa7+ 43.Ke2 c3
0:01 1/6 -0.34 62232 39...Rxd4 40.Rxd4 Qxb2+ 41.Rd2
Qa3 42.Kf2 b3 43.Rd8+ Kf7 44.Ke2
0:01 1/7 -0.27 117828 39...Rxd4 40.Rxd4 Qxb2+ 41.Rd2
Qa3 42.e5 f5 43.Qh4 fxg4 44.Qd8+
Kf7
0:03 1/8 -0.23 246299 39...Rxd4 40.Rxd4 Qxb2+ 41.Rd2
Qa3 42.e5 Qa8 43.Qd1 Kf7 44.exf6
Bxg4 45.fxg7 Kxg7
0:05 1/8 -0.29 429462 39...Rc8 40.Qc1 Qa4 41.Qc2 Qc6
42.Rd1 Qc7 43.Qa4
0:11 1/9 -0.25 947984 39...Rc8 40.Qc1 Qa4 41.h3 Qc6 42.Rd1
c3 43.bxc3 bxc3
0:25 2/10 -0.31 2224964 39...Rc8 40.Qc1 Qa4 41.h3 Qc6 42.Rd1
c3 43.bxc3 bxc3 44.Qc2 Qc7
1:21 3/11 -0.23 7324045 39...Rc8 40.Qc1 Qa4 41.h3 Qc6 42.Qc2
Ra8 43.Rd1 Ra2 44.Bf2 Qc7 45.Qd2
jm
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