Author: Tord Romstad
Date: 01:56:53 12/30/03
Go up one level in this thread
On December 29, 2003 at 20:44:06, Sune Fischer wrote:
>
>[D]8/6pk/4Q2p/3P1P1q/8/6P1/4rP2/2R3K1 w - - 0 56
>
>In the actual game Frenzee played d6!? and went on to win.
>
>In post mortem analysis it switches to Re1 with a bit more time, still
>sacrificing the queen.
>
>I've been playing a little bit with the eval scores for passed pawns
>and not surprisingly the position is very sensitive to these changes.
>
>Any other engines who wants to sacrifice the queen here, is it sound
>or a lucky punch?
Gothmog 0.4.4a (Pentium IV 2.4 GHz) agrees with Frenzee:
1 2.44 0.00 105 d6 Rxe6 fxe6
2 2.31 0.00 355 d6 Rd2
3 2.20 0.01 2002 d6 Rxe6 fxe6 Kg6
4 2.06 0.04 6697 d6 Rxe6 fxe6 Qd5 e7
5 2.02 0.10 17323 d6 Rxe6 fxe6 Qe5 d7 Qd4
6 >= 2.02 0.16 29437 d6 Rxe6 fxe6 Qe5 d7 Qd4 Re1
6 >= 2.03 0.17 29547 d6 Rxe6 fxe6 Qe5 d7 Qd4 Re1
6 >= 2.09 0.17 29904 d6 Rxe6 fxe6 Qe5 d7 Qd4 Re1
6 <= 2.22 0.22 43177 d6 Rxe6 fxe6 Qd5 e7 Qd2 Rc8
6 <= 2.20 0.22 44022 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8
6 >= 2.19 0.23 44581 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8
6 >= 2.20 0.23 44818 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8
6 2.20 0.23 44818 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8
7 >= 2.20 0.27 57223 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8
7 <= 2.20 0.36 83809 d6 Rxe6 fxe6 Qe2 d7 Qd3 Rc8
7 2.20 0.36 83809 d6 Rxe6 fxe6 Qe2 d7 Qd3 Rc8
8 >= 2.20 0.45 112462 d6 Rxe6 fxe6 Qe2 d7 Qd3 Rc8
8 >= 2.22 0.46 114320 d6 Rxe6 fxe6 Qe2 d7 Qd3 Rc8
8 >= 2.28 0.48 122368 d6 Rxe6 fxe6 Qe2 d7 Qd3 Rc8
8 <= 2.41 0.56 148866 d6 Rxe6 fxe6 Qe2 d7 Qd3 Rc8 Qd1+ Kg2 Qd5+
f3 Qd2+ Kh3
8 <= 2.39 0.57 151442 d6 Rxe6 fxe6 Qe2 d7 Qd3 Rc8 Qd1+ Kg2 Qd5+
f3 Qd2+ Kh3
8 <= 2.36 0.63 168970 d6 Rxe6 fxe6 Qe2 d7 Qd3 Rc8 Qd1+ Kg2 Qd5+
f3 Qd2+ Kh3
8 <= 2.28 0.72 195988 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8 Qd1+ Kg2 Qd5+
f3 Qd2+ Kh3
8 2.28 0.72 195988 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8 Qd1+ Kg2 Qd5+
f3 Qd2+ Kh3
9 <= 2.27 1.19 345420 d6 Rxe6 fxe6 Qd5 e7 Qe6 Rd1 Qe2 Rd5 Kg8
9 <= 2.25 1.21 352456 d6 Rxe6 fxe6 Qd5 e7 Qe6 Rd1 Qe2 Rd5 Kg8
9 >= 2.23 1.37 406946 d6 Rxe6 fxe6 Qd5 d7 Kg6 Rc8 Qd1+ Kg2 Qd5+
f3 Qa2+ Kf1 Qa6+ Kf2
9 >= 2.25 1.40 418459 d6 Rxe6 fxe6 Qd5 d7 Kg6 Re1 Qd2 Re5 Qd3
9 2.25 1.40 418459 d6 Rxe6 fxe6 Qd5 d7 Kg6 Re1 Qd2 Re5 Qd3
10 >= 2.25 1.70 526404 d6 Rxe6 fxe6 Qd5 d7 Kg6 Re1 Qd2 Re5 Qd3
Kg2
10 >= 2.27 1.76 547903 d6 Rxe6 fxe6 Qd5 d7 Kg6 Re1 Qd2 Re5 Qd3
Kg2
10 <= 2.31 2.80 871636 d6 Rxe6 fxe6 Kg6 Re1 Kf6 e7 Qe8 d7 Qxe7
Rxe7 Kxe7
10 >= 2.31 2.98 929782 d6 Rxe6 fxe6 Kg6 Re1 Kf6 e7 Qe8 d7 Qxe7
Rxe7 Kxe7
10 2.31 2.98 929782 d6 Rxe6 fxe6 Kg6 Re1 Kf6 e7 Qe8 d7 Qxe7
Rxe7 Kxe7
11 <= 2.30 23.11 6768855 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8 Qd1+ Kg2 Qd5+
f3 Qa2+ Kf1 Qa6+ Kf2 Qb6+ Kg2 Qb2+ Kh3
11 <= 2.28 23.50 6916582 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8 Qd1+ Kg2 Qd5+
f3 Qa2+ Kf1 Qa6+ Kf2 Qb6+ Kg2 Qb2+ Kh3
11 >= 2.27 23.97 7087161 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8 Qd1+ Kg2 Qd5+
f3 Qa2+ Kf1 Qa6+ Kf2 Qb6+ Kg2 Qb2+ Kh3
11 >= 2.28 24.03 7111833 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8 Qd1+ Kg2 Qd5+
f3 Qa2+ Kf1 Qa6+ Kf2 Qb6+ Kg2 Qb2+ Kh3
11 2.28 24.03 7111833 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8 Qd1+ Kg2 Qd5+
f3 Qa2+ Kf1 Qa6+ Kf2 Qb6+ Kg2 Qb2+ Kh3
12 >= 2.28 25.13 7501462 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8 Qd1+ Kg2 Qd5+
f3 Qa2+ Kf1 Qa6+ Kg1 Qa1+ Kf2 Qa7+ Ke2
Qa2+ Kd3 Qd5+ Kc2
12 >= 2.30 25.42 7604976 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8 Qd1+ Kg2 Qd5+
f3 Qa2+ Kf1 Qa6+ Kg1 Qa1+ Kf2 Qa7+ Ke2
Qa2+ Kd3 Qd5+ Kc2
12 <= 2.34 40.13 11726740 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8 Qd1+ Kg2 Qd5+
f3 Qa2+ Kf1 Qa6+ Kg1 Qa1+ Kf2 Qa7+ Ke2
Qa2+ Kd3
12 <= 2.33 41.80 12250353 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8 Qd1+ Kg2 Qd5+
f3 Qa2+ Kf1 Qa6+ Kg1 Qa1+ Kf2 Qa7+ Ke2
Qa2+ Kd3
12 <= 2.30 43.99 12963923 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8 Qd1+ Kg2 Qd5+
f3 Qa2+ Kf1 Qa6+ Kg1 Qa1+ Kf2 Qa7+ Ke2
Qa2+ Kd3
12 2.30 43.99 12963923 d6 Rxe6 fxe6 Qe2 d7 Qd2 Rc8 Qd1+ Kg2 Qd5+
f3 Qa2+ Kf1 Qa6+ Kg1 Qa1+ Kf2 Qa7+ Ke2
Qa2+ Kd3
13 >= 2.30 52.55 15776744 d6 Rxe6 fxe6 Qe2 e7 Kg6 Rb1 Kf7 Rb8 Qd1+
Kg2 Qd5+ f3 Qd2+ Kh3 Qe1 Rf8+
13 <= 2.30 1:25 25234275 d6 Rxe6 fxe6 Qe2 e7 Kg6 Rb1 Kf7 Rb8 Qd1+
Kg2 Qd5+ f3 Qd2+ Kh3 Qe1 Rf8+
13 2.30 1:25 25234275 d6 Rxe6 fxe6 Qe2 e7 Kg6 Rb1 Kf7 Rb8 Qd1+
Kg2 Qd5+ f3 Qd2+ Kh3 Qe1 Rf8+
Tord
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