Author: Tim Foden
Date: 12:35:06 07/27/04
Go up one level in this thread
On July 27, 2004 at 14:14:45, Gopikrishna wrote:
>How many plies its taking for your engines to find the mate score for this
>position?
>6kr/1b2bp1p/p6Q/Pp2p3/1q3p2/4B1N1/2PR2PP/6K1 w - - 0 33
10 ply to find a mate in 10.
11 ply to find a mate in 9.
Cheers, Tim.
Analysis, GLC 3.01.2.2, 24MB Hash, 2.1GZ AXP:
Game stage: Middle game
Current eval: -1.840
Ply Time Score Nodes Principal variation
4 0.010 -2.744 13946 Rd7 {--} fxe3 2. Rxb7 Qe1+ 3. Nf1 Qf2+ 4. Kh1 {ht}
Qxf1#
4 0.010 -4.671 17985 Rd7 fxg3 2. hxg3 Qb1+ 3. Bc1
4 0.010 -4.393 22008 Bxf4 exf4 2. Nf1 Bc5+ 3. Kh1 Qxa5 4. Qxf4
4 0.020 -4.249 24928 Nf5 Qb1+ 2. Kf2 fxe3+ 3. Qxe3 Bb4
4 0.020 -4.249 31026 Nf5 Qb1+ 2. Kf2 fxe3+ 3. Qxe3 Bb4
5 0.030 -3.849 35581 Nf5 {++} Qb1+ 2. Kf2 fxe3+ 3. Ke2 Qe1+ 4. Kxe1
exd2+ 5. Kxd2
5 0.030 -1.726 41557 Nf5 Qb1+ 2. Kf2 fxe3+ 3. Ke2 Bf3+ 4. gxf3 Bb4
5 0.040 -1.726 48066 Nf5 Qb1+ 2. Kf2 fxe3+ 3. Ke2 Bf3+ 4. gxf3 Bb4
6 0.061 -1.326 70597 Nf5 {++} Qb1+ 2. Kf2 fxe3+ 3. Ke2 Bf3+ 4. gxf3 Bb4
5. Qg5+ Kf8 6. Qg7+ Ke8 7. Qxh8+ Bf8 8. Nxe3
6 0.081 -0.241 92404 Nf5 Qb1+ 2. Kf2 Bh4+ 3. Nxh4 fxe3+ 4. Qxe3 f6 5.
Nf5
6 0.091 -0.241 109842 Nf5 Qb1+ 2. Kf2 Bh4+ 3. Nxh4 fxe3+ 4. Qxe3 f6 5.
Nf5
7 0.121 +0.159 140865 Nf5 {++} Qb1+ 2. Kf2 Bh4+ 3. Nxh4 fxe3+ 4. Qxe3 f6
5. Rd8+ Kg7 6. Nf5+ Kg6 7. Rxh8
7 0.141 +0.182 166519 Nf5 Qb1+ 2. Kf2 Bh4+ 3. Nxh4 fxe3+ 4. Qxe3 h6 5.
Rd8+ Kh7 6. Rxh8+ Kxh8 7. Qxh6+ Kg8 8. Qg5+ Kf8
9. Qxe5 Qxc2+
7 0.171 +0.182 207625 Nf5 Qb1+ 2. Kf2 Bh4+ 3. Nxh4 fxe3+ 4. Qxe3 h6 5.
Rd8+ Kh7 6. Rxh8+ Kxh8 7. Qxh6+ Kg8 8. Qg5+ Kf8
9. Qxe5 Qxc2+
8 0.251 +0.582 293755 Nf5 {++} Qb1+ 2. Kf2 Bh4+ 3. Nxh4 fxe3+ 4. Qxe3 h6
5. Qxe5 Kh7 6. Nf5
8 0.471 +2.652 556084 Nf5 Qb1+ 2. Kf2 fxe3+ 3. Ke2 Qe1+ 4. Kxe1 exd2+ 5.
Kxd2 Bb4+ 6. c3 Bxc3+ 7. Kxc3 Be4
8 0.501 +2.652 610849 Nf5 Qb1+ 2. Kf2 fxe3+ 3. Ke2 Qe1+ 4. Kxe1 exd2+ 5.
Kxd2 Bb4+ 6. c3 Bxc3+ 7. Kxc3 Be4
9 0.671 +3.052 793031 Nf5 {++} Qb1+ 2. Kf2 fxe3+ 3. Ke2 Qe1+ 4. Kxe1
exd2+ 5. Kxd2 Bb4+ 6. c3 Bxc3+ 7. Kxc3 Be4 8.
Qg5+ Kf8 9. Qg7+ Ke8 10. Qxh8+ Kd7
9 1.032 +4.113 1207164 Nf5 Qb1+ 2. Kf2 fxe3+ 3. Ke2 Qe1+ 4. Kxe1 exd2+ 5.
Kxd2 Bb4+ 6. c3 Bxc3+ 7. Kxc3 b4+ 8. Kxb4 e4
9 1.082 +4.113 1280228 Nf5 Qb1+ 2. Kf2 fxe3+ 3. Ke2 Qe1+ 4. Kxe1 exd2+ 5.
Kxd2 Bb4+ 6. c3 Bxc3+ 7. Kxc3 b4+ 8. Kxb4 e4
10 1.543 +4.513 1781764 Nf5 {++} Qb1+ 2. Kf2 fxe3+ 3. Ke2 Qe1+ 4. Kxe1
exd2+ 5. Kxd2 Bb4+ 6. c3 Bxc3+ 7. Kxc3 b4+ 8.
Kxb4 e4 9. Qg5+ Kf8 10. Qg7+ Ke8 11. Qxh8+ Kd7
10 2.144 +4.512 2595578 Nf5 {--} Qb1+ 2. Kf2 fxe3+ 3. Ke2 Qe1+ 4. Kxe1
exd2+ 5. Kxd2 Bf6 {ht} 6. Qxf6
10 5.288 +Mate10 8217850 Nf5 Qb1+ 2. Kf2 Bh4+ 3. Qxh4 fxe3+ 4. Ke2 Qe1+ 5.
Qxe1 exd2 6. Qg3+ Kf8 7. Qg7+ Ke8 8. Qxe5+ Kd7
9. Qd6+ Ke8 10. Ng7#
10 5.288 +Mate10 8217923 Nf5 Qb1+ 2. Kf2 Bh4+ 3. Qxh4 fxe3+ 4. Ke2 Qe1+ 5.
Qxe1 exd2 6. Qg3+ Kf8 7. Qg7+ Ke8 8. Qxe5+ Kd7
9. Qd6+ Ke8 10. Ng7#
11 5.809 +Mate10 8986699 Nf5 Qb1+ 2. Kf2 Bh4+ 3. Qxh4 fxe3+ 4. Ke2 Qe1+ 5.
Qxe1 exd2 6. Qg3+ Kf8 7. Qg7+ Ke8 8. Qxe5+ Kd7
9. Qd6+ Ke8 10. Ng7#
11 6.149 +Mate10 9549936 Nf5 Qb1+ 2. Kf2 Bh4+ 3. Qxh4 fxe3+ 4. Ke2 Qe1+ 5.
Qxe1 exd2 6. Qg3+ Kf8 7. Qg7+ Ke8 8. Qxe5+ Kd7
9. Qd6+ Ke8 10. Ng7#
12 10.115 +Mate09 16510k Nf5 Qb1+ 2. Kf2 Bh4+ 3. Qxh4 fxe3+ 4. Ke2 Bf3+ 5.
gxf3 Qe1+ 6. Qxe1 exd2 7. Qg1+ Kf8 8. Qc5+ Ke8
9. Qe7#
12 12.128 +Mate09 20554k Nf5 Qb1+ 2. Kf2 Bh4+ 3. Qxh4 fxe3+ 4. Ke2 Bf3+ 5.
gxf3 Qe1+ 6. Qxe1 exd2 7. Qg1+ Kf8 8. Qc5+ Ke8
9. Qe7#
13 13.570 +Mate09 23050k Nf5 Qb1+ 2. Kf2 Bh4+ 3. Qxh4 fxe3+ 4. Ke2 Bf3+ 5.
gxf3 Qe1+ 6. Qxe1 exd2 7. Qg1+ Kf8 8. Qc5+ Ke8
9. Qe7# {ht}
13 15.032 +Mate09 25940k Nf5 Qb1+ 2. Kf2 Bh4+ 3. Qxh4 fxe3+ 4. Ke2 Bf3+ 5.
gxf3 Qe1+ 6. Qxe1 exd2 7. Qg1+ Kf8 8. Qc5+ Ke8
9. Qe7# {ht}
14 18.687 +Mate09 32267k Nf5 Qb1+ 2. Kf2 Bh4+ 3. Qxh4 fxe3+ 4. Ke2 Bf3+ 5.
gxf3 Qe1+ 6. Qxe1 exd2 7. Qg1+ Kf8 8. Qc5+ Ke8
9. Qe7# {ht}
14 21.732 +Mate09 38453k Nf5 Qb1+ 2. Kf2 Bh4+ 3. Qxh4 fxe3+ 4. Ke2 Bf3+ 5.
gxf3 Qe1+ 6. Qxe1 exd2 7. Qg1+ Kf8 8. Qc5+ Ke8
9. Qe7# {ht}
15 32.768 +Mate09 58171k Nf5 Qb1+ 2. Kf2 Bh4+ 3. Qxh4 fxe3+ 4. Ke2 Bf3+ 5.
gxf3 Qe1+ 6. Qxe1 exd2 7. Qg1+ Kf8 8. Qc5+ Ke8
9. Qe7# {ht}
15 41.620 +Mate09 76340k Nf5 Qb1+ 2. Kf2 Bh4+ 3. Qxh4 fxe3+ 4. Ke2 Bf3+ 5.
gxf3 Qe1+ 6. Qxe1 exd2 7. Qg1+ Kf8 8. Qc5+ Ke8
9. Qe7# {ht}
Analyse>exitexit
local: t=1:02.60 nps=1838002.1 n=115058935 (29.7% / 70.3%)
total: t=1:02.60 nps=1838002.1 n=115058935
stats: fh=92.2%/2.68%/1.780% draws=63824
trans: probes=28942956 hits=3925239 (13.56%) draft=2440487 (8.43%)
tcuts: exact=325 (0.00%) upper=1303736 (4.50%) lower=956786 (3.31%)
tstor: exact=565 (0.00%) upper=9605676 (69.76%) lower=4163570 (30.24%)
ext: check=11358168 recap=99232 ppush=72514 1rep=1352598 thrt=419546
q-moves: gen=1144235 tested=566629 made/un=162666 max-dep=8
max eval diff: part-1=2.777 part-2=2.711
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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