Author: Mike Byrne
Date: 21:33:39 07/01/02
Go up one level in this thread
On July 01, 2002 at 10:29:09, Pierre Bourget wrote:
>From a game by Der Bringer 1.9 with white on Athlon XP 1600+ ,20 secondes by
>move.
>
>[D]6k1/1pq1rppp/p5b1/8/PPp1N2Q/8/2n3PP/2BR2K1 w - - 0 31
>
>1.Nf6+ ! gxf6 2.Qxf6 Rd7 3.Re1 ! Nxe1 4.Bh6 Nf3+ 5.gxf3 Rd1+ 6.Kg2 Rd2+ 7.Bxd2
>Qc6 8.Qxc6 bxc6 ...1/2-1/2
After removing a gross erro in of my beta extensions,
Modified SMP Crafty finds it 16 seconds.
White(1): 6k1/1pq1rppp/p5b1/8/PPp1N2Q/8/2n3PP/2BR2K1 w - - 0 31
+---+---+---+---+---+---+---+---+
8 | | | | | | | *K| |
+---+---+---+---+---+---+---+---+
7 | | *P| *Q| | *R| *P| *P| *P|
+---+---+---+---+---+---+---+---+
6 | *P| | | | | | *B| |
+---+---+---+---+---+---+---+---+
5 | | | | | | | | |
+---+---+---+---+---+---+---+---+
4 | P | P | *P| | N | | | Q |
+---+---+---+---+---+---+---+---+
3 | | | | | | | | |
+---+---+---+---+---+---+---+---+
2 | | | *N| | | | P | P |
+---+---+---+---+---+---+---+---+
1 | | | B | R | | | K | |
+---+---+---+---+---+---+---+---+
a b c d e f g h
White(1): d
White(1): sd 12
search depth set to 12.
White(1): st 9999
search time set to 9999.00.
White(1): go
clearing hash tables
time surplus 0.00 time limit 166:39 (166:39)
nss depth time score variation (1)
starting thread 1
(2) 6-> 0.14 -1.90 1. Bf4 Qb6+ 2. Nc5 Re8 3. Bd2 Be4 4.
Bc3
7 0.20 -- 1. Bf4
7 0.33 -2.50 1. Bf4 Qb6+ 2. Kh1 f6 3. Nc3 Qe6 4.
Rd8+ Re8 5. Rd6
(3) 7-> 1.02 -2.50 1. Bf4 Qb6+ 2. Kh1 f6 3. Nc3 Qe6 4.
Rd8+ Re8 5. Rd6
(2) 8 1.22 -2.67 1. Bf4 Qb6+ 2. Kh1 f6 3. Nc3 Qe6 4.
Rd8+ Re8 5. Rxe8+ Bxe8 6. b5 axb5 7.
axb5
8 4.39 -2.48 1. Nc3 Nxb4 2. Qxc4 Nd3 3. Qxc7 Rxc7
4. Bd2 Bh5 5. Rf1
8 4.53 -2.34 1. Nc5 Nxb4 2. Qxc4 Nd3 3. Qd4 Bh5
4. Rxd3 Re1+ 5. Kf2 Rxc1
(4) 8-> 4.97 -2.34 1. Nc5 Nxb4 2. Qxc4 Nd3 3. Qd4 Bh5
4. Rxd3 Re1+ 5. Kf2 Rxc1
(3) 9 7.80 -2.36 1. Nc5 Re8 2. Rd7 Qe5 3. Rd8 Nxb4 4.
Nd7 Qe2 5. Rxe8+ Qxe8 6. Qxc4 Qxd7
7. Qxb4
9 16.08 ++ 1. Nf6+!!
9 22.77 -1.11 1. Nf6+ gxf6 2. Qxf6 Rd7 3. Re1 Nxe1
4. Bh6 Nf3+ 5. gxf3 Rd1+ 6. Kg2 Rd2+
7. Bxd2 Qd7 8. Qc3 Qxa4 9. Qxc4
9-> 24.42 -1.11 1. Nf6+ gxf6 2. Qxf6 Rd7 3. Re1 Nxe1
4. Bh6 Nf3+ 5. gxf3 Rd1+ 6. Kg2 Rd2+
7. Bxd2 Qd7 8. Qc3 Qxa4 9. Qxc4
10 29.67 -1.42 1. Nf6+ gxf6 2. Qxf6 Rd7 3. Re1 Nxe1
4. Bh6 Nf3+ 5. gxf3 Rd1+ 6. Kg2 Rd2+
7. Bxd2 Qd7 8. Qc3 b5
10-> 39.77 -1.42 1. Nf6+ gxf6 2. Qxf6 Rd7 3. Re1 Nxe1
4. Bh6 Nf3+ 5. gxf3 Rd1+ 6. Kg2 Rd2+
7. Bxd2 Qd7 8. Qc3 b5
11 51.75 ++ 1. Nf6+!!
11 1:19 -0.97 1. Nf6+ gxf6 2. Qxf6 Rd7 3. Re1 Nxe1
4. Bh6 Nf3+ 5. gxf3 Rd1+ 6. Kg2 Rd2+
7. Bxd2 b6 8. Bc3 Kf8 9. h3
11-> 1:34 -0.97 1. Nf6+ gxf6 2. Qxf6 Rd7 3. Re1 Nxe1
4. Bh6 Nf3+ 5. gxf3 Rd1+ 6. Kg2 Rd2+
7. Bxd2 b6 8. Bc3 Kf8 9. h3
12 2:02 ++ 1. Nf6+!!
12-> 3:20 -0.58 1. Nf6+ gxf6 2. Qxf6 Rd7 3. Re1 Nxe1
4. Bh6 Nf3+ 5. gxf3 Rd1+ 6. Kg2 Rd2+
7. Bxd2 b6 8. Bc3 Kf8 9. h3
time=3:20 cpu=396% mat=-2 n=253164076 fh=92% nps=1260k
ext-> chk=14469952 cap=351408 pp=329360 1rep=1554274 mate=507237
pc=145
predicted=0 nodes=253164076 evals=37313286
endgame tablebase-> probes done=0 successful=0
SMP-> split=657 stop=118 data=6/32 cpu=13:17 elap=3:20
White(1): Nf6+
time used: 3:20
the correction also sped up WAC 141 to 0.31 seconds with full mate line in
3.9 seconds
White(1): 4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - - bm Qxf4
+---+---+---+---+---+---+---+---+
8 | | | | | *R| | *K| |
+---+---+---+---+---+---+---+---+
7 | *P| | *Q| *R| | *P| | |
+---+---+---+---+---+---+---+---+
6 | | | *P| *B| | B | *P| |
+---+---+---+---+---+---+---+---+
5 | | *P| | | | | | *P|
+---+---+---+---+---+---+---+---+
4 | | | | P | | *N| | R |
+---+---+---+---+---+---+---+---+
3 | | B | | | | P | | |
+---+---+---+---+---+---+---+---+
2 | P | P | | | | P | K | |
+---+---+---+---+---+---+---+---+
1 | | | Q | | | | | R |
+---+---+---+---+---+---+---+---+
a b c d e f g h
White(1): go
clearing hash tables
time surplus 0.00 time limit 36.00 (4:12)
nss depth time score variation (1)
1 0.00 -1.73 1. Kg1
1-> 0.00 -1.73 1. Kg1
2 0.00 -- 1. Kg1
2 0.00 -8.67 1. Kg1 Ne2+ 2. Kg2 Nxc1 3. Rxc1
2 0.00 -5.18 1. Rxf4 Bxf4
2 0.00 -1.94 1. Kf1 b4
2-> 0.00 -1.94 1. Kf1 b4
3 0.00 -2.17 1. Kf1 Nd5 2. Bxd5 cxd5
3-> 0.00 -2.17 1. Kf1 Nd5 2. Bxd5 cxd5
4 0.01 -2.30 1. Kf1 Re2 2. Kg1 a6
4-> 0.01 -2.30 1. Kf1 Re2 2. Kg1 a6
5 0.03 -2.21 1. Kf1 Re2 2. R1h2 Nd3 3. Qh6 Rxb2
5-> 0.05 -2.21 1. Kf1 Re2 2. R1h2 Nd3 3. Qh6 Rxb2
6 0.09 -2.47 1. Kf1 Re2 2. Bc2 Re6 3. Be5 g5
6 0.31 ++ 1. Qxf4!!
6 1.23 7.71 1. Qxf4 Re5 2. dxe5 Be7 3. Bxf7+ Kxf7
4. Bxe7+ Kxe7 5. Qf6+ Ke8 6. Qxg6+
6-> 1.25 7.71 1. Qxf4 Re5 2. dxe5 Be7 3. Bxf7+ Kxf7
4. Bxe7+ Kxe7 5. Qf6+ Ke8 6. Qxg6+
7 1.80 ++ 1. Qxf4!!
7 3.90 Mat06 1. Qxf4 Bxf4 2. Rxh5 gxh5 3. Rxh5 Bh6
4. Rxh6 Qh2+ 5. Kxh2 Kf8 6. Rh8#
7-> 3.92 Mat06 1. Qxf4 Bxf4 2. Rxh5 gxh5 3. Rxh5 Bh6
4. Rxh6 Qh2+ 5. Kxh2 Kf8 6. Rh8#
time=3.92 cpu=387% mat=-1 n=5387681 fh=87% nps=1374k
ext-> chk=530097 cap=8801 pp=1587 1rep=62867 mate=43964 pc=129
predicted=0 nodes=5387681 evals=407623
endgame tablebase-> probes done=0 successful=0
SMP-> split=89 stop=16 data=5/32 cpu=15.20 elap=3.92
mate in 6 moves.
White(1): Qxf4
time used: 3.92
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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