Author: Mike Byrne
Date: 20:16:54 09/05/02
Go up one level in this thread
On September 05, 2002 at 23:00:39, Jon Dart wrote:
>This is from a recent game Arasan-Postmodernist on ICC:
>
>[D] 5k2/ppp5/7p/4Q3/4P3/P4q2/1P3P1P/6K1 w - -
>
>Crafty analysis output:
> 30. Qf5+
> ({14:-0.46} 30. Qf5+ Qxf5 31. exf5 Ke7 32. f4 Kf6 33. Kf2 Kxf5
>34. Kg3 c5 35. Kh4 Kf6 36. Kh5 Kg7 37. f5 b5 $15)
> ({14:+1.92} 30. Qe6 Kg7 31. e5 Qe4 32. h3 Qb1+ 33. Kg2 Qg6+ 34.
>Qxg6+ Kxg6 35. f4 Kf5 36. Kg3 a5 37. Kh4 Kg6 38. e6 Kf6 $18)
> ({14:+1.11} 30. Qd4 Ke7 31. Kf1 Ke6 32. Qd5+ Ke7 33. Ke1 b6 34.
>Qe5+ Kd7 35. Qg7+ Kc8 36. Qh8+ Kb7 37. Qe5 Ka6 38. Qxc7 Qxe4+ 39. Kd2 $16)
> ({14:+1.13} 30. Qh8+ Ke7 31. Qh7+ Kd8 32. Qg8+ Ke7 33. Qg7+
>$16)
>
>In the game, Arasan played Qf5+ and eventually lost. Arasan 5.4 wants to play
>Qf5+ even after 10 minutes search on an Athlon 1.3GHz. Arasan 6.0 does switch to
>Qe6 eventually, but it takes a long time (about 8 minutes).
>
>--Jon
Crafty v17.16 SE (2 cpus)
White(1): 5k2/ppp5/7p/4Q3/4P3/P4q2/1P3P1P/6K1 w - -
White(1): go
end-game phase
clearing hash tables
time surplus 0.00 time limit 100:00 (100:00)
nss depth time score variation (1)
starting thread 1
2 0.00 ++ 1. Qc5+!!
2 0.00 2.90 1. Qc5+ Kg7 2. Qxc7+ Kf6 3. Qxb7 Ke5
2-> 0.00 2.90 1. Qc5+ Kg7 2. Qxc7+ Kf6 3. Qxb7 Ke5
3 0.02 -- 1. Qc5+
3 0.02 2.40 1. Qc5+ Ke8 2. Qb5+ Kd8 3. Qxb7 Kd7
3-> 0.02 2.40 1. Qc5+ Ke8 2. Qb5+ Kd8 3. Qxb7 Kd7
4 0.04 2.40 1. Qc5+ Ke8 2. Qb5+ Kd8 3. Qxb7 Kd7
4-> 0.04 2.40 1. Qc5+ Ke8 2. Qb5+ Kd8 3. Qxb7 Kd7
5 0.07 2.13 1. Qc5+ Ke8 2. Qb5+ Ke7 3. Qxb7 Qd1+
4. Kg2 Qg4+ 5. Kh1 Kf6 6. Qxa7 Qxe4+
5-> 0.08 2.13 1. Qc5+ Ke8 2. Qb5+ Ke7 3. Qxb7 Qd1+
4. Kg2 Qg4+ 5. Kh1 Kf6 6. Qxa7 Qxe4+
6 0.11 -- 1. Qc5+
6 0.16 1.30 1. Qc5+ Ke8 2. Qb5+ Kd8 3. Qd5+ Kc8
4. Qg8+ Kd7 5. Qd5+ Kc8
6 0.36 1.42 1. Qe6 Qf4 2. Kg2 Kg7 3. h3 Qf7 4.
Qg4+
(3) 6-> 0.43 1.42 1. Qe6 Qf4 2. Kg2 Kg7 3. h3 Qf7 4.
Qg4+
(2) 7 0.55 1.53 1. Qe6 Qf4 2. e5 Qc1+ 3. Kg2 Qg5+ 4.
Kf3 Qh5+ 5. Ke3 Qxh2 6. Qc8+ Ke7 7.
Qxc7+
7-> 0.66 1.53 1. Qe6 Qf4 2. e5 Qc1+ 3. Kg2 Qg5+ 4.
Kf3 Qh5+ 5. Ke3 Qxh2 6. Qc8+ Ke7 7.
Qxc7+
8 0.88 1.47 1. Qe6 Qf4 2. Kg2 Kg7 3. h3 Qd2 4.
Qe7+ Kg6 5. Qe6+ Kg5
8-> 1.21 1.47 1. Qe6 Qf4 2. Kg2 Kg7 3. h3 Qd2 4.
Qe7+ Kg6 5. Qe6+ Kg5
9 2.08 1.51 1. Qe6 Qf4 2. h3 b6 3. e5 Qc1+ 4. Kg2
a5 5. Qg6 Qxb2 6. Qxh6+ Ke7
9-> 2.65 1.51 1. Qe6 Qf4 2. h3 b6 3. e5 Qc1+ 4. Kg2
a5 5. Qg6 Qxb2 6. Qxh6+ Ke7
10 8.02 1.65 1. Qe6 Qf4 2. h3 b6 3. e5 Qc1+ 4. Kh2
Qxb2 5. Qxh6+ Ke7 6. Qf6+ Ke8 7. Qe6+
Kd8 8. Qd5+ Ke7
10-> 8.94 1.65 1. Qe6 Qf4 2. h3 b6 3. e5 Qc1+ 4. Kh2
Qxb2 5. Qxh6+ Ke7 6. Qf6+ Ke8 7. Qe6+
Kd8 8. Qd5+ Ke7
11 15.22 1.64 1. Qe6 Qf4 2. h3 Qg5+ 3. Kh2 Qf4+ 4.
Kg2 Qg5+ 5. Kf3 Qh5+ 6. Qg4 Qf7+ 7.
Kg3 Qb3+ 8. Qf3+ Qf7 9. Qd3
11-> 16.83 1.64 1. Qe6 Qf4 2. h3 Qg5+ 3. Kh2 Qf4+ 4.
Kg2 Qg5+ 5. Kf3 Qh5+ 6. Qg4 Qf7+ 7.
Kg3 Qb3+ 8. Qf3+ Qf7 9. Qd3
12 49.33 1.52 1. Qe6 Kg7 2. e5 Qf7 3. Qg4+ Qg6 4.
h3 h5 5. Qg2 a5 6. f4 Kh6 7. Qxg6+
Kxg6 <HT>
12-> 59.05 1.52 1. Qe6 Kg7 2. e5 Qf7 3. Qg4+ Qg6 4.
h3 h5 5. Qg2 a5 6. f4 Kh6 7. Qxg6+
Kxg6 <HT>
New position
5k2/ppp5/7p/4Q3/4P3/P4q2/1P3P1P/6K1 w - - 0 1
Analysis by Deep Junior 7:
1.a4 Qd1+ 2.Kg2
² (0.46) Depth: 3 00:00:00
1.h4 Qd1+ 2.Kh2
² (0.48) Depth: 3 00:00:00
1.Qxc7 Qxe4 2.Qc5+ Kf7 3.Qxa7
² (0.53) Depth: 3 00:00:00
1.Qh8+ Ke7
² (0.64) Depth: 3 00:00:00
1.Qh8+ Ke7
² (0.64) Depth: 6 00:00:00
1.Qe6 Kg7
± (0.90) Depth: 6 00:00:00 3kN
1.Qe6 Kg7
± (0.90) Depth: 9 00:00:00 5kN
1.Qe6 Kg7
± (0.90) Depth: 12 00:00:00 15kN
1.Qe6 Kg7 2.e5 a6 3.Qd7+ Kg6 4.Qe8+ Kh7 5.Qe7+
± (0.93) Depth: 15 00:00:06 10858kN
1.Qe6 Kg7 2.e5 h5 3.Qd7+ Kg6 4.h3 h4 5.e6 Qxh3 6.Qf7+ Kg5 7.e7 Qg4+ 8.Kh2 Qf4+
± (0.98) Depth: 17 00:00:48 84083kN, tb=39
(Byrne, Secane, PA 05.09.2002)
Deep Fritz - Byrne,M
5k2/ppp5/7p/4Q3/4P3/P4q2/1P3P1P/6K1 w - - 0 1
Analysis by Deep Fritz:
1.Qc5+!
± (1.31) Depth: 1/8 00:00:00
1.Qc5+ Ke8 2.Qb5+ c6 3.Qxb7
+- (1.97) Depth: 2/8 00:00:00
1.Qc5+ Ke8 2.Qb5+ c6 3.Qxb7
+- (1.97) Depth: 2/8 00:00:00
1.Qc5+ Ke8 2.Qb5+ c6 3.Qxb7
+- (1.97) Depth: 3/13 00:00:00 1kN
1.Qc5+ Ke8 2.Qb5+ c6 3.Qxb7
+- (1.97) Depth: 3/13 00:00:00 1kN
1.Qc5+ Ke8 2.Qb5+ c6 3.Qxb7
+- (1.97) Depth: 3/13 00:00:00 1kN
1.Qc5+ Ke8 2.Qb5+ c6 3.Qxb7
+- (1.97) Depth: 3/13 00:00:00 1kN
1.Qc5+ Ke8 2.Qb5+ c6 3.Qxb7
+- (1.97) Depth: 3/13 00:00:00 1kN
1.Qc5+--
+- (1.66) Depth: 4/14 00:00:00 2kN
1.Qc5+--
+- (1.66) Depth: 4/14 00:00:00 2kN
1.Qc5+--
+- (1.66) Depth: 4/14 00:00:00 2kN
1.Qc5+--
+- (1.66) Depth: 4/14 00:00:00 2kN
1.Qc5+-- Ke8 2.e5 Qg4+ 3.Kf1 Qd1+ 4.Kg2
± (1.19) Depth: 4/15 00:00:00 5kN
1.Qc5+-- Ke8 2.e5 Qg4+ 3.Kf1 Qd1+ 4.Kg2
± (1.19) Depth: 4/15 00:00:00 5kN
1.Qe6!
± (1.22) Depth: 4/15 00:00:00 6kN
1.Qe6! Kg7 2.e5 a6 3.Qe7+ Qf7
+- (1.53) Depth: 4/15 00:00:00 7kN
1.Qe6 Kg7 2.e5 h5 3.Qd7+ Qf7
+- (1.59) Depth: 5/16 00:00:00 13kN
1.Qe6 Kg7 2.e5 c6 3.h4 h5
+- (1.56) Depth: 6/17 00:00:00 28kN
1.Qe6 Kg7 2.e5 c6 3.h4 a5 4.Qe7+ Qf7
+- (1.63) Depth: 7/19 00:00:00 75kN
1.Qe6 Kg7 2.e5 c6 3.h3 h5 4.Qd7+ Qf7 5.e6
+- (1.69) Depth: 8/21 00:00:00 180kN
1.Qe6 Kg7 2.e5 Qe4 3.Qe7+ Kg6 4.Qf6+ Kh7
+- (1.75) Depth: 9/25 00:00:00 548kN
1.Qe6 Kg7 2.e5 Qe4 3.b4 Qf3 4.b5 Qxa3
+- (1.75) Depth: 10/28 00:00:01 1020kN
1.Qe6 Kg7 2.h3 Qd1+ 3.Kg2 Qc2 4.b3 Qc1 5.Qe5+ Kg6 6.h4
+- (1.78) Depth: 11/29 00:00:02 2638kN
1.Qe6 Qf4 2.h3 Qc1+ 3.Kg2 b6 4.Qf6+ Ke8 5.Kg3 c5 6.Qe6+ Kd8
+- (1.81) Depth: 12/31 00:00:09 9220kN
1.Qe6 Qf4 2.h3 Qc1+ 3.Kg2 b6 4.Qf6+ Ke8 5.Kg3 c5 6.Qe6+ Kd8
+- (1.81) Depth: 13/33 00:00:24 23245kN
(Byrne, Secane, PA 05.09.2002)
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