Author: Dann Corbit
Date: 14:58:19 12/04/01
Go up one level in this thread
On December 04, 2001 at 16:35:25, José Antônio Fabiano Mendes wrote:
> Palevic vs Solovev === Correspondence Chess 1983
> Source:British Chess Magazine,May 1987,page 189
> [D]2k2r1r/pp4p1/1bp1p3/1q3n2/8/1QBN4/P4PPP/1R1R1B1K b
> 1...Qxb3 2.Rxb3 Rxh2+ 3.Kg1 Rh1+
> "In the actual game Black,a piece down,settled for a draw by 1...Ng3+
> 2.Kg1 Bxf2+ 3.Nxf2 Qxf1+ 4.Rxf1 Ne2+ with a perpetual check." J.J.Walsh
Sjeng has no problem with it (1.5 seconds):
Time per move (s): 60
+----+----+----+----+----+----+----+----+
8 | | | *K | | | *R | | *R |
+----+----+----+----+----+----+----+----+
7 | *P | *P | | | | | *P | |
+----+----+----+----+----+----+----+----+
6 | | *B | *P | | *P | | | |
+----+----+----+----+----+----+----+----+
5 | | *Q | | | | *N | | |
+----+----+----+----+----+----+----+----+
4 | | | | | | | | |
+----+----+----+----+----+----+----+----+
3 | | Q | B | N | | | | |
+----+----+----+----+----+----+----+----+
2 | P | | | | | P | P | P |
+----+----+----+----+----+----+----+----+
1 | | R | | R | | B | | K |
+----+----+----+----+----+----+----+----+
a b c d e f g h
Middlegame phase.
Clearing hash...
Time for move : 6000
2 -672 65 504 Kd8 ??
2 -480 65 520 Qxb3 !
2 -441 66 529 Qxb3 !!
2 -432 66 946 Qxb3 axb3 Kb8
2 -431 66 1236 Ng3+ !
2 -431 67 2532 Qxb3 axb3 Kb8
3 -456 68 3451 Qxb3 axb3 Kb8 Be2
3 -455 68 3763 Ng3+ !
3 0 69 5437 Ng3+ !!
3 0 70 5842 Ng3+ Kg1 Bxf2+ Nxf2 Qxf1+ Rxf1 Ne2+ Kh1 Ng3+ Kg1 <Ne2
+> <Kh1> <Ng3+> <Kg1> <Ne2+> <Kh1> <Ng3+>
3 0 71 6487 Ng3+ Kg1 Bxf2+ Nxf2 Qxf1+ Rxf1 Ne2+ Kh1 Ng3+ Kg1 <Ne2
+> <Kh1> <Ng3+> <Kg1> <Ne2+> <Kh1> <Ng3+>
4 0 72 8357 Ng3+ Kg1 Bxf2+ Nxf2 Qxf1+ Rxf1 Ne2+ Kh1 Ng3+ Kg1 <Ne2
+> <Kh1> <Ng3+> <Kg1> <Ne2+> <Kh1> <Ng3+>
4 0 74 10095 Ng3+ Kg1 Bxf2+ Nxf2 Qxf1+ Rxf1 Ne2+ Kh1 Ng3+ Kg1 <Ne2
+> <Kh1> <Ng3+> <Kg1> <Ne2+> <Kh1> <Ng3+>
5 0 76 13872 Ng3+ Kg1 Bxf2+ Nxf2 Qxf1+ Rxf1 Ne2+ Kh1 Ng3+ Kg1 <Ne2
+> <Kh1> <Ng3+> <Kg1> <Ne2+> <Kh1> <Ng3+>
5 0 81 24856 Ng3+ Kg1 Bxf2+ Nxf2 Qxf1+ Rxf1 Ne2+ Kh1 Ng3+ Kg1 <Ne2
+> <Kh1> <Ng3+> <Kg1> <Ne2+> <Kh1> <Ng3+>
6 0 94 49922 Ng3+ Kg1 Bxf2+ Nxf2 Qxf1+ Rxf1 Ne2+ Kh1 Ng3+ Kg1 <Ne2
+> <Kh1> <Ng3+> <Kg1> <Ne2+> <Kh1> <Ng3+>
6 1 100 64066 Rxh2+ !
6 33 102 70489 Rxh2+ !!
6 249 148 172846 Rxh2+ Kxh2 Qxb3 Bxg7 Qa3 Bxf8 Qxf8 Kg1 Kb8
6 250 152 180110 Qxb3 !
6 383 155 185224 Qxb3 !!
6 729 201 287215 Qxb3 Be5 Qd5 Rd2 Bd4 Bf4
6 729 207 292235 Qxb3 Be5 Qd5 Rd2 Bd4 Bf4
7 753 244 380872 Qxb3 Bxg7 Qxb1 Rxb1 Nxg7 Kg1 Kd8 Nf4
7 753 319 489183 Qxb3 Bxg7 Qxb1 Rxb1 Nxg7 Kg1 Kd8 Nf4
8 759 536 989344 Qxb3 Be5 Qxa2 Rb2 Qd5 Rbd2 Kd8 Be2
8 759 704 1296829 Qxb3 Be5 Qxa2 Rb2 Qd5 Rbd2 Kd8 Be2
9 750 1213 2437551 Qxb3 Bxg7 Qxb1 Rxb1 Nxg7 Kg1 Kd8 Be2 Bc7 f4
9 750 2495 4597953 Qxb3 Bxg7 Qxb1 Rxb1 Nxg7 Kg1 Kd8 Be2 Bc7 f4
10 768 3576 7248362 Qxb3 Bxg7 Qxb1 Rxb1 Nxg7 Kg1 Rh5 Be2 Rhf5 Bf3 Kd8
Used time : 6001
Ponder move Bxg7 extracted from hash
Learning score: 768 best: 2 depth:9
Nodes: 11796480 (9.92% qnodes)
NPS: 196575
PawnProbes : 4846204 PawnHits : 4824802 HitRate : 99.558355%
TTStores : 5845781 TTProbes : 14416775 TTHits : 2390067 HitRate : 16.578374%
NTries : 2600884 NCuts : 1862189 CutRate : 71.598283% TExt: 47783
PVS : 237.110516% PVSF: 0.004942%
Check : 1642676 Recap : 289440 Onerep : 119578 Razor : 12594816
EGTB Hits: 0 EGTB Probes: 0 Efficiency: 0.0%
Move ordering : 95.477113%
Material score: 200 Eval : -603 MaxDiff: 766 MaxLazy: 416 MaxKing: 432
Full evals: 1532617 Lazy evals: 3313588 Quickrate: 68.374890%
Hash : 7099274C1F77DD03
Solution found.
Solved: 1/1
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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