Author: bobby palacios
Date: 14:44:11 02/26/03
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.
What was the time control for these games?
Shredder 7 takes a pretty long time to avoid Rxd4 (1:18)
p4 2.47ghz, 256mb hash
Analysis by Shredder 7:
1...Rxd4 2.Rxd4 Qxb2+ 3.Qd2
-+ (-2.03) Depth: 1/4 00:00:00
1...Rxd4 2.Rxd4 Qxb2+ 3.Qd2
-+ (-2.07) Depth: 1/6 00:00:00
1...Rxd4 2.Rxd4 Qxb2+ 3.Qd2
-+ (-2.07) Depth: 2/2 00:00:00
1...Rxd4 2.Rxd4 Qxb2+ 3.Qd2
-+ (-2.07) Depth: 3/7 00:00:00
1...Rxd4 2.Rxd4 Qxb2+ 3.Qd2 Bxg4 4.Qxb2
-+ (-1.82) Depth: 4/8 00:00:00
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qb1 4.Qxb1
µ (-1.32) Depth: 4/8 00:00:00
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qe5
µ (-0.81) Depth: 4/10 00:00:00
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qa3 4.Qd1 Qe3
µ (-0.83) Depth: 5/13 00:00:00
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qa3 4.Qb1 b3 5.Rd8+ Kf7 6.Qe1
³ (-0.67) Depth: 6/15 00:00:00
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qa3 4.Qb1 b3 5.Ra2 Qxa2+ 6.Kg1
µ (-0.92) Depth: 7/21 00:00:00 39kN
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qa3 4.Rd6 Kf7 5.Qb1 g6 6.Kf2
µ (-0.99) Depth: 7/21 00:00:00 54kN
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qa3 4.Rc2 c3 5.Qxc3 bxc3
µ (-1.23) Depth: 8/23 00:00:00 133kN
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qa3 4.Rc2 c3 5.Kg3 Kf7 6.Qb1 h6 7.f4
µ (-1.16) Depth: 9/28 00:00:01 275kN
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qa3 4.e5 c3 5.exf6 gxf6 6.Qxe6+ Kg7 7.Rd8 Qb2+ 8.Kg3
Qxh2+ 9.Kxh2
µ (-0.91) Depth: 10/28 00:00:01 592kN
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qb3 4.Qc1 Kf7 5.Rb2 Qa3 6.Qb1 b3 7.Qc1 Qd6
µ (-0.72) Depth: 10/28 00:00:02 932kN
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qb3 4.Rd8+ Kf7 5.Rb8 c3 6.Qc1 Qa2+ 7.Kg3 Qa3 8.Qxa3
bxa3 9.Rb1
³ (-0.65) Depth: 11/29 00:00:04 1650kN
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qb3 4.Qf2 c3 5.Rd8+ Kf7 6.Qa7+ Kg6 7.Qc5 h6 8.Kg3
Kh7 9.Rd6 Qc4 10.Qxc4 Bxc4 11.Rd1
µ (-0.82) Depth: 12/35 00:00:12 4895kN
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qb3 4.Rd8+ Kf7 5.Qf2 g5 6.Qa7+ Kg6 7.Rh8 Qc2+ 8.Kg3
Bxg4 9.fxg4 Qd3+ 10.Kf2 Qd4+ 11.Qxd4
³ (-0.57) Depth: 13/37 00:00:21 8509kN
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qb3 4.Rd8+ Kf7 5.Qf2 h6 6.Rb8 Kg6 7.Kg3 Qc3 8.e5
Qxe5+ 9.f4
³ (-0.57) Depth: 13/37 00:00:28 11224kN
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qb3 4.Rd8+ Kf7 5.Rb8 c3 6.Qh4 Qa4 7.Qh5+ Ke7 8.Qc5+
Kf7 9.Rxb4 c2 10.Rxa4 c1Q 11.Qxc1
³ (-0.32) Depth: 14/38 00:00:49 19576kN
1...Rxd4 2.Rxd4 Qxb2+ 3.Rd2 Qb3 4.Rd8+ Kf7 5.Rb8 Qb2+ 6.Kh3 Qa3 7.Rb7+ Kg6 8.Kg3
b3 9.h4 Qd6+ 10.Kg2 h5
= (-0.06) Depth: 14/41 00:01:08 27270kN
1...Re8 2.Qc1
= (-0.07) Depth: 14/41 00:01:18 31175kN
1...Re8 2.Qd1 Qa2 3.Bb6 Qa8 4.Rd4 Rc8 5.Rd6 Bf7 6.Qd4 c3 7.Qxb4
³ (-0.28) Depth: 14/41 00:02:49 65427kN
1...Rc8 2.Kf2
³ (-0.29) Depth: 14/41 00:03:30 80960kN
1...Rc8 2.Qc1 Qa4 3.Qe1 h5 4.gxh5 c3 5.bxc3 bxc3 6.Bxc3 Qa2
³ (-0.42) Depth: 14/41 00:04:21 100167kN
1...Rc8 2.Qc1 Qa4 3.Qe1 Qa5 4.Qe3 Rd8 5.Kg3 Rb8 6.Qf4 Re8 7.Qd6
³ (-0.40) Depth: 15/36 00:05:04 115935kN
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