Author: Dann Corbit
Date: 09:53:57 10/30/01
Go up one level in this thread
On October 29, 2001 at 22:17:12, K. Burcham wrote:
>
>in this position, Deep Blue plays 22...g4.
>shredder5 in this position would play 22...Bg6, at depth 17/34
>what does your program play, with deep search?
>
>
>(1) Kasparov,G - Deep Blue [A07]
>IBM Man vs Machine New York (1), 03.05.1997
>[John Nunn]
>
>
> [D] 3rr1k1/1p1n1p2/1qp2n1p/p1b1p1pb/4P3/PP2N1PP/1BP2PB1/R1Q1RNK1 b - -
>
>
>"The computer desperately seeks to disturb White's plan. Although this move
>creates further kingisde weaknesses, it enable Black to develop some piece
>activity. This is the critical phase. Everybody who has played a computer knows
>the scenario: you get a strategically winning position, the computer makes some
>desperate tactical lunge, you make a couple of inaccuracies and suddenly the
>machine is all over you". (comment by Frederic Friedel)
>
>Engine: Shredder 5
>by Stefan Meyer-Kahlen
>
> 8.01 0:01 +0.13 1...Bg6 2.Nd2 Kg7 3.Ndc4 Qc7 4.Nf5+ Bxf5 5.exf5 b5 6.Nd2
>(254.399) 242.0
> 9.01 0:03 +0.16 1...Bg6 2.Nd2 h5 3.c4 Bd4 4.Qc2 Bxb2 5.Qxb2 Qd4 6.Qxd4 exd4
>(912.589) 248.2
> 10.01 0:08 +0.05 1...Bg6 2.Nd2 Kg7 3.Ndc4 Qc7 4.Nf5+ Bxf5 5.exf5 b5 6.Nd2 a4
>7.g4 (2.175.746) 251.5
> 11.01 0:25 +0.03 1...Bg6 2.Nd2 Bh7 3.g4 Re6 4.c3 Bxe3 5.Rxe3 Bxe4 6.Nxe4
>Qxb3 (6.406.123) 248.0
> 12.01 1:05 +0.12 1...Bg6 2.Nd2 h5 3.c3 Bxe3 4.Rxe3 Nc5 5.b4 Nd3 6.Qc2 Nxb2
>7.Qxb2 Qc7 8.c4 b6 9.Rd1 (16.417.460) 249.4
> 13.01 3:26 -0.01 1...Bg6 2.Nd2 Bh7 3.g4 Bxe3 4.Rxe3 Nc5 5.Qe1 Qc7 6.Rd1 b6
>7.Qe2 b5 8.c4 (50.381.388) 244.4
> 14.01 11:05 +0.13 1...Bg6 2.Nd2 Bd4 3.Rb1 Nc5 4.Bxd4 exd4 5.Nec4 Qc7 6.e5
>Nfd7 7.f4 gxf4 (165.094.682) 248.0
> 15.01 20:04 +0.02 1...Bg6 2.Nd2 Qc7 3.Rb1 b5 4.c4 Qb6 5.Qc2 Bd4 6.b4 Bxb2
>7.Qxb2 axb4 8.Qxb4 bxc4 9.Qxc4 (298.039.852) 247.5
> 16.01 42:07 +0.08 1...Bg6 2.Nd2 Qc7 3.Re2 Bf8 4.Nf5 Nc5 5.Qe1 Qc8 6.g4 h5
>7.Bf3 hxg4 8.hxg4 (625.860.133) 247.6
> 17.01 87:06 +0.07 1...Bg6 2.Nd2 Qc7 3.Re2 b5 4.c4 Qd6 5.Qc2 Bd4 6.Nf5 Bxf5
>7.exf5 Nc5 (1.305.550.295) 249.7
>best move: Bh5-g6 time: 92:14.434 min n/s: 250.339
A longer look:
White(1): st 14400
search time set to 14400.00.
White(1): epdpfga \which.epd which.out
PFGA: EPD record: 1
time surplus 0.00 time limit 240:00 (240:00)
nss depth time score variation (1)
6 0.30 -0.15 1. hxg4 Bxg4 2. Qd2 Nb8 3. Qc1 Qc7
4. Nxg4 Nxg4
6-> 0.50 -0.15 1. hxg4 Bxg4 2. Qd2 Nb8 3. Qc1 Qc7
4. Nxg4 Nxg4
7 0.84 -0.14 1. hxg4 Bxg4 2. Rb1 Qc7 3. Nf5 Bxf5
4. exf5 Ng4 5. Ne3 Nxe3 6. fxe3
7-> 1.13 -0.14 1. hxg4 Bxg4 2. Rb1 Qc7 3. Nf5 Bxf5
4. exf5 Ng4 5. Ne3 Nxe3 6. fxe3
8 3.65 -0.13 1. hxg4 Nxg4 2. Nxg4 Bxg4 3. Ne3 Be6
4. Qd2 Qc7 5. Nf5 h5
8-> 4.39 -0.13 1. hxg4 Nxg4 2. Nxg4 Bxg4 3. Ne3 Be6
4. Qd2 Qc7 5. Nf5 h5
9 7.97 0.01 1. hxg4 Bxg4 2. Bc3 Re6 3. Nd2 Qc7
4. b4 Bb6 5. Nxg4 Nxg4 6. Rf1
9-> 9.31 0.01 1. hxg4 Bxg4 2. Bc3 Re6 3. Nd2 Qc7
4. b4 Bb6 5. Nxg4 Nxg4 6. Rf1
10 17.79 -0.08 1. hxg4 Nxg4 2. Nxg4 Bxg4 3. Ne3 Nf6
4. Bc3 Bh5 5. Bd2 Bg6 6. Nd1 Ng4
10-> 22.80 -0.08 1. hxg4 Nxg4 2. Nxg4 Bxg4 3. Ne3 Nf6
4. Bc3 Bh5 5. Bd2 Bg6 6. Nd1 Ng4
11 31.75 0.00 1. hxg4 Nxg4 2. Nxg4 Bxg4 3. Ne3 Nf6
4. Bc3 Bh5 5. Rf1 Be2 6. Re1 Bh5 7.
Bd2 Bg6 8. Nd1 Ng4 <HT>
11-> 36.95 0.00 1. hxg4 Nxg4 2. Nxg4 Bxg4 3. Ne3 Nf6
4. Bc3 Bh5 5. Rf1 Be2 6. Re1 Bh5 7.
Bd2 Bg6 8. Nd1 Ng4 <HT>
12 58.91 0.00 1. hxg4 Nxg4 2. Nxg4 Bxg4 3. Ne3 Nf6
4. Bc3 Bh5 5. Rf1 Be2 6. Re1 Bh5 <HT>
12-> 1:30 0.00 1. hxg4 Nxg4 2. Nxg4 Bxg4 3. Ne3 Nf6
4. Bc3 Bh5 5. Rf1 Be2 6. Re1 Bh5 <HT>
13 2:13 0.00 1. hxg4 Nxg4 2. Nxg4 Bxg4 3. Ne3 Nf6
4. Bc3 Bh5 5. Rf1 Be2 6. Re1 Bh5
13-> 4:16 0.00 1. hxg4 Nxg4 2. Nxg4 Bxg4 3. Ne3 Nf6
4. Bc3 Bh5 5. Rf1 Be2 6. Re1 Bh5
14 6:53 -0.01 1. hxg4 Nxg4 2. Nxg4 Bxg4 3. Ne3 Nf6
4. Bc3 Bd7 5. Rf1 Bxe3 6. Qxe3 Qxe3
7. fxe3 Nh5 8. Bxa5 Nxg3 9. Bxd8 Nxf1
14 25:06 0.08 1. Nd2 gxh3 2. Bxh3 Bg6 3. Ndc4 Qc7
4. Nf5 Bxf5 5. Bxf5 b5 6. Ne3 Nb6 7.
Rd1 a4 8. Ng4 Nxg4 9. Bxg4
14-> 30:35 0.08 1. Nd2 gxh3 2. Bxh3 Bg6 3. Ndc4 Qc7
4. Nf5 Bxf5 5. Bxf5 b5 6. Ne3 Nb6 7.
Rd1 a4 8. Ng4 Nxg4 9. Bxg4
15 53:42 0.13 1. Nd2 gxh3 2. Bxh3 Bxe3 3. Rxe3 a4
4. Bf1 Ng4 5. Rf3 Qc7 6. b4 Kh8 7.
Rd3 Rg8 8. Nc4 c5 9. f3
15-> 60:04 0.13 1. Nd2 gxh3 2. Bxh3 Bxe3 3. Rxe3 a4
4. Bf1 Ng4 5. Rf3 Qc7 6. b4 Kh8 7.
Rd3 Rg8 8. Nc4 c5 9. f3
16 110:58 0.11 1. Nd2 gxh3 2. Bxh3 Qa7 3. b4 Bb6 4.
Bf5 Bg6 5. Ndc4 Bxf5 6. exf5 Bc7 7.
Qd2 b5 8. Nxa5 Bxa5 9. bxa5 Qc5
16-> 219:22 0.11 1. Nd2 gxh3 2. Bxh3 Qa7 3. b4 Bb6 4.
Bf5 Bg6 5. Ndc4 Bxf5 6. exf5 Bc7 7.
Qd2 b5 8. Nxa5 Bxa5 9. bxa5 Qc5
time=240:00 cpu=100% mat=0 n=2288790679 fh=89% nps=158k
ext-> chk=188023864 cap=16526441 pp=3176751 1rep=16849580
mate=3884481
predicted=0 nodes=2288790679 evals=2435117247
endgame tablebase-> probes done=0 successful=0
PFGA: EPD record: 2
time surplus 0.00 time limit 240:00 (240:00)
nss depth time score variation (1)
6-> 0.32 -0.09 1. Nd2 Qc7 2. Nf5 Bxf5 3. exf5 g4 4.
Rd1 gxh3 5. Bxh3
7 0.58 -0.04 1. Nd2 Qc7 2. Bc3 a4 3. b4 Bxe3 4.
Rxe3 b5
7-> 0.81 -0.04 1. Nd2 Qc7 2. Bc3 a4 3. b4 Bxe3 4.
Rxe3 b5
8 1.22 -0.13 1. Nd2 Qc7 2. Nf5 Bxf5 3. exf5 g4 4.
hxg4 Nxg4 5. Ne4 Bd4
8-> 5.00 -0.13 1. Nd2 Qc7 2. Nf5 Bxf5 3. exf5 g4 4.
hxg4 Nxg4 5. Ne4 Bd4
9 6.06 -0.03 1. Nd2 Qc7 2. Nf5 Bxf5 3. exf5 g4 4.
Nf1 Kg7 5. Ne3 gxh3 6. Bxh3
9-> 7.29 -0.03 1. Nd2 Qc7 2. Nf5 Bxf5 3. exf5 g4 4.
Nf1 Kg7 5. Ne3 gxh3 6. Bxh3
10 16.66 -0.15 1. Nd2 h5 2. Bc3 h4 3. Ndc4 Qa6 4.
Bxa5 b6 5. Bc3 hxg3
10 39.70 0.00 1. Qd2 a4 2. b4 Bf8 3. Nf5 c5 4. c3
Qe6 5. N1e3 c4
10-> 43.78 0.00 1. Qd2 a4 2. b4 Bf8 3. Nf5 c5 4. c3
Qe6 5. N1e3 c4
11 1:26 -0.30 1. Qd2 a4 2. Bc3 Nb8 3. Qe2 axb3 4.
Nc4 Qc7 5. cxb3 b5 6. b4
11 2:06 -0.07 1. Nd2 Bd4 2. c3 Bxe3 3. Rxe3 Nc5 4.
b4 Nd3 5. Qc2 Nxb2 6. Qxb2 Qc7 7. Qc2
11-> 2:16 -0.07 1. Nd2 Bd4 2. c3 Bxe3 3. Rxe3 Nc5 4.
b4 Nd3 5. Qc2 Nxb2 6. Qxb2 Qc7 7. Qc2
12 4:13 -0.06 1. Nd2 h5 2. Bc3 Ra8 3. Rb1 Qc7 4.
b4 axb4 5. axb4 Bd4 6. Bxd4 exd4 7.
Nf5 Bxf5 8. exf5
12 6:06 0.03 1. Qd2 Nb8 2. Qe2 Bd4 3. Nc4 Qc7 4.
c3 Bc5 5. b4 axb4 6. axb4 Bh5 7. Qc2
12-> 6:22 0.03 1. Qd2 Nb8 2. Qe2 Bd4 3. Nc4 Qc7 4.
c3 Bc5 5. b4 axb4 6. axb4 Bh5 7. Qc2
13 10:54 0.00 1. Qd2 a4 2. b4 Bxe3 3. Rxe3 c5 4.
Qe2 Qe6 5. Rd1 cxb4 6. axb4 b5 7. f3
Qc6 8. Red3
13-> 12:03 0.00 1. Qd2 a4 2. b4 Bxe3 3. Rxe3 c5 4.
Qe2 Qe6 5. Rd1 cxb4 6. axb4 b5 7. f3
Qc6 8. Red3
14 19:53 0.05 1. Qd2 a4 2. b4 Bxe3 3. Qxe3 Qxe3 4.
Nxe3 Nxe4 5. Nc4 b5 6. Bxe4 Bxe4 7.
Rxe4 bxc4 8. Rxc4 Re6
14-> 21:11 0.05 1. Qd2 a4 2. b4 Bxe3 3. Qxe3 Qxe3 4.
Nxe3 Nxe4 5. Nc4 b5 6. Bxe4 Bxe4 7.
Rxe4 bxc4 8. Rxc4 Re6
15 77:24 0.09 1. Qd2 a4 2. b4 Bf8 3. Qe2 Bh5 4. f3
c5 5. b5 Qe6 6. Rad1 Bg7 7. Nf5 b6
8. N1e3
15-> 83:49 0.09 1. Qd2 a4 2. b4 Bf8 3. Qe2 Bh5 4. f3
c5 5. b5 Qe6 6. Rad1 Bg7 7. Nf5 b6
8. N1e3
16 153:36 -0.14 1. Qd2 a4 2. Nc4 Qa7 3. Rad1 axb3 4.
cxb3 Nb8 5. Qc2 Bd4 6. Nfe3 b5 7. Nd2
Bxb2 8. Qxb2 Qc5 9. Nf5 Bxf5 10. exf5
time=240:00 cpu=100% mat=0 n=1816780416 fh=91% nps=126k
ext-> chk=106414418 cap=18209580 pp=2319931 1rep=5118152
mate=147887
predicted=0 nodes=1816780416 evals=2450924295
endgame tablebase-> probes done=0 successful=0
Looks like a wash.
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