Author: Slater Wold
Date: 16:27:32 03/15/02
Go up one level in this thread
On March 15, 2002 at 17:59:26, Kim Roper Jensen wrote:
>Hi
>
>Just wanted to share a position from a game I played some years ago.
>
>It's a position where its hard to see which side, have the best protected king.
>
>[D] 2r1k1nr/4ppbp/3p2p1/p3P3/bp1B1PP1/7P/qPPQ2B1/1NKR3R w - - 0 1
>
>How long does it take to see that white have the better position ??
>
>Best move here is 1.exd6!
White(1): st 180
search time set to 180.00.
White(1): setboard 2r1k1nr/4ppbp/3p2p1/p3P3/bp1B1PP1/7P/qPPQ2B1/1NKR3R w - - 0 1
+---+---+---+---+---+---+---+---+
8 | | | *R| | *K| | *N| *R|
+---+---+---+---+---+---+---+---+
7 | | | | | *P| *P| *B| *P|
+---+---+---+---+---+---+---+---+
6 | | | | *P| | | *P| |
+---+---+---+---+---+---+---+---+
5 | *P| | | | P | | | |
+---+---+---+---+---+---+---+---+
4 | *B| *P| | B | | P | P | |
+---+---+---+---+---+---+---+---+
3 | | | | | | | | P |
+---+---+---+---+---+---+---+---+
2 | *Q| P | P | Q | | | B | |
+---+---+---+---+---+---+---+---+
1 | | N | K | R | | | | R |
+---+---+---+---+---+---+---+---+
a b c d e f g h
White(1): go
clearing hash tables
time surplus 0.00 time limit 3:00 (3:00)
nss depth time score variation (1)
starting thread 1
6 0.17 -1.69 1. exd6 Bxd4 2. d7+ Kxd7 3. Qxd4+ Ke8
4. Be4 Nf6
6-> 0.20 -1.69 1. exd6 Bxd4 2. d7+ Kxd7 3. Qxd4+ Ke8
4. Be4 Nf6
7 0.40 -1.38 1. exd6 Bxd4 2. d7+ Bxd7 3. Qxd4 Nf6
4. Bd5 Qa4 5. Rh2
7-> 0.56 -1.38 1. exd6 Bxd4 2. d7+ Bxd7 3. Qxd4 Nf6
4. Bd5 Qa4 5. Rh2
8 1.62 -1.66 1. exd6 Bxd4 2. d7+ Bxd7 3. Qxd4 Nf6
4. g5 Ba4 5. Be4 Rc4 <HT>
8-> 2.15 -1.66 1. exd6 Bxd4 2. d7+ Bxd7 3. Qxd4 Nf6
4. g5 Ba4 5. Be4 Rc4 <HT>
9 4.68 -1.66 1. exd6 Bxd4 2. d7+ Bxd7 3. Qxd4 Nf6
4. g5 Ba4 5. Be4 Rc4 <HT>
9-> 6.82 -1.66 1. exd6 Bxd4 2. d7+ Bxd7 3. Qxd4 Nf6
4. g5 Ba4 5. Be4 Rc4 <HT>
10 18.98 ++ 1. exd6!!
10-> 49.07 -1.27 1. exd6 Bxd4 2. d7+ Bxd7 3. Qxd4 Nf6
4. g5 Ba4 5. Be4 Rc4 6. Qd8# <HT>
11 2:01 ++ 1. exd6!!
time=3:00 cpu=208% mat=-1 n=245840938 fh=93% nps=1364k
ext-> chk=17801393 cap=870361 pp=502965 1rep=1877028 mate=95160
sing=16
predicted=0 nodes=245840938 evals=41818275
endgame tablebase-> probes done=0 successful=0
hashing-> trans/ref=22% pawn=1% used=99%
SMP-> split=1184 stop=244 data=7/32 cpu=6:14 elap=3:00
White(1): exd6
Black(1): quit
execution complete.
From my (very unstable) Crafty. As you can see, it's using singular extensions.
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