Author: Tim Foden
Date: 01:55:42 01/22/01
Go up one level in this thread
On January 21, 2001 at 18:02:44, Paul wrote:
>Here's a problem for you in return my friend, it's not mine however:
>
>[D]5n2/B3K3/2p2Np1/4k3/7P/3bN1P1/2Prn1P1/1q6 w - - 0 1
>
>The solution is also very funny, but be warned! it's verrrry deep :)
>Mine solves this instantly ;)
>
>Groetjes,
>Paul
This one at least Green Light manages to find :-)
This probably confirms that you were telling the truth about it being a mate in
30, as that is what GLC finds :)
Current eval: -12.80
Ply Time Score Nodes Principal Variation
4 0.10 3.91 8787 Neg4+ Kf5 Nh6+ Ke5 Nf7+ Kf5 Nd6+ Ke5 Ng4+ Kd5 c4+
Bxc4 Ne3+ Ke5 Nexc4+ Kd5 Ne3+ Ke5 Ndc4+ Ke4 Nxd2+
Ke5 Nxb1
4 0.13 3.91 11123 Neg4+ Kf5 Nh6+ Ke5 Nf7+ Kf5 Nd6+ Ke5 Ng4+ Kd5 c4+
Bxc4 Ne3+ Ke5 Nexc4+ Kd5 Ne3+ Ke5 Ndc4+ Ke4 Nxd2+
Ke5 Nxb1
5 0.25 3.93 27485 Neg4+ Kf5 Nh6+ Ke5 Nf7+ Kf5 Nd6+ Ke5 Ng4+ Kd5 c4+
Bxc4 Ne3+ Ke5 Ndxc4+ Ke4 Nxd2+ Ke5 Ng4+ Kf5 Nh6+
Ke5 Nf7+ Kf5
5 0.30 3.93 35347 Neg4+ Kf5 Nh6+ Ke5 Nf7+ Kf5 Nd6+ Ke5 Ng4+ Kd5 c4+
Bxc4 Ne3+ Ke5 Ndxc4+ Ke4 Nxd2+ Ke5 Ng4+ Kf5 Nh6+
Ke5 Nf7+ Kf5
6 0.59 3.94 86978 Neg4+ Kf5 Nh6+ Ke5 Nf7+ Kf5 Nd6+ Ke5 Ng4+ Kd5 Ne3+
Ke5 Nf7+ Ke4 Ng5+ Ke5 Nf3+ Ke4 Nxd2+ Ke5 Nxb1 Bxc2
Bb8+ Ke4 Nxc2
6 0.74 3.94 106624 Neg4+ Kf5 Nh6+ Ke5 Nf7+ Kf5 Nd6+ Ke5 Ng4+ Kd5 Ne3+
Ke5 Nf7+ Ke4 Ng5+ Ke5 Nf3+ Ke4 Nxd2+ Ke5 Nxb1 Bxc2
Bb8+ Ke4 Nxc2
7 1.43 4.00 234402 Neg4+ Kf5 Nh6+ Ke5 Nf7+ Kf5 Nd6+ Ke5 Ng4+ Kd5 c4+
Bxc4 Ne3+ Ke5 Ndxc4+ Ke4 Nxd2+ Ke5 Nxb1 Ne6 Bb8+
Kd4 Bd6
7 1.74 4.00 287094 Neg4+ Kf5 Nh6+ Ke5 Nf7+ Kf5 Nd6+ Ke5 Ng4+ Kd5 c4+
Bxc4 Ne3+ Ke5 Ndxc4+ Ke4 Nxd2+ Ke5 Nxb1 Ne6 Bb8+
Kd4 Bd6
8 2.41 ++ 410813 Neg4+ (a=3.50 b=4.50 e=4.50)
8 3.42 320.41 603512 Neg4+ Kf5 Nh6+ Ke5 Nf7+ Kf5 Nd6+ Ke5 Ng4+ Kd5 Ne3+
Ke5 Nf7+ Ke4 Ng5+ Ke5 Nf3+ Ke4 Nxd2+ Ke5 Nf3+ Ke4
Ng5+ Ke5 Nf7+ Ke4 Nd6+ Ke5 Ng4+ Kd5 Nf6+ Ke5 Nf7+
Kf5 Nh6+ Ke5 Nhg4+ Kf5 Ne3+ Ke5 Nfg4+ Ke4 Nf2+ Ke5
Nxd3+ Ke4 Nf2+ Ke5 Nfg4+ Ke4 Nf6+ Ke5 Nc4+ Kf5
Nd6+ Ke5 Ng4+ Kd5 c4#
8 4.04 320.41 719438 Neg4+ Kf5 Nh6+ Ke5 Nf7+ Kf5 Nd6+ Ke5 Ng4+ Kd5 Ne3+
Ke5 Nf7+ Ke4 Ng5+ Ke5 Nf3+ Ke4 Nxd2+ Ke5 Nf3+ Ke4
Ng5+ Ke5 Nf7+ Ke4 Nd6+ Ke5 Ng4+ Kd5 Nf6+ Ke5 Nf7+
Kf5 Nh6+ Ke5 Nhg4+ Kf5 Ne3+ Ke5 Nfg4+ Ke4 Nf2+ Ke5
Nxd3+ Ke4 Nf2+ Ke5 Nfg4+ Ke4 Nf6+ Ke5 Nc4+ Kf5
Nd6+ Ke5 Ng4+ Kd5 c4#
9 4.07 0/27 Neg4+ >exit
local: t=7.84 nps=180087.2 n=1412064 (f=384569 q=1027495)
total: t=7.84 nps=180087.2 n=1412064 draws=2959
trans: probes=381610 hits=124088 (32.52) draft=36422 (9.54)
trans: exact=84 (0.02) upper=17604 (4.61) lower=16585 (4.35)
tstor: exact=338 (0.20) upper=108496 (63.45) lower=62164 (36.35)
ext: check=129664 recap=2393 ppush=5 1rep=9057 thrt=0
q-moves: gen=381499 tested=195980 made/un=1758 max-dep=4
max eval diff: part-1=0.63 part-2=0.76
Cheers, Tim.
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