Author: Mike Byrne
Date: 19:25:50 08/29/02
The much discussed game
Deep Blue -- Fritz
8. World Computer Chess Championships (5) Chinese University HKG
1995.05.29 0-1 B33w
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 b5
9.Bxf6 gxf6 10.Nd5 f5 11.Bd3 Be6 12.Qh5 f4 13.O-O Rg8 14.Kh1 Rg6 15.Qd1 Rc8
{
[D] 2rqkb2/5p1p/p1npb1r1/1p1Np3/4Pp2/N2B4/PPP2PPP/R2Q1R1K w - -
Although the game may already be lost with the infamous 13. O-O? , I also find
16. c4 ? to be a curiosity - is there any program that plays 16. c4 which allows
16. ...Qh4!.
}
16.c4 Qh4 17.g3 Qh3 18.Qd2 f3 19.Rg1 Rh6 20.Qxh6 Qxh6 21.cxb5 Bxd5 22.exd5 Nb4
23.Bf5 Rc5 24.bxa6 Nxa6 25.Nc2 Qd2 26.Ne1 Rxd5 27.Nxf3 Qxf2 28.Be4 Ra5 29.Rg2
Qe3 30.Re1 Qh6 31.Bc6+ Kd8 32.a3 f5 33.Rc2 Rc5 34.Rxc5 Nxc5 35.Rf1 Be7 36.a4 f4
37.gxf4 Qxf4 38.Rg1 Nxa4 39.b4 Qxb4 0-1
Crafty 17.16 SE analysis after 16. c4
White(1): 2rqkb2/5p1p/p1npb1r1/1p1Np3/2P1Pp2/N2B4/PP3PPP/R2Q1R1K b - c3
Black(1): go
clearing hash tables
time surplus 0.00 time limit 100:00 (100:00)
nss depth time score variation (1)
1-> 0.00 -0.20 1. ... Qg5 2. Qf3 Bxd5 3. exd5
2 0.00 -0.20 1. ... Qg5 2. Qf3 Bxd5 3. exd5
2-> 0.01 -0.20 1. ... Qg5 2. Qf3 Bxd5 3. exd5
3 0.04 0.01 1. ... Qg5 2. Rg1 b4 3. Nc2 Bxd5 4.
cxd5
3-> 0.06 0.01 1. ... Qg5 2. Rg1 b4 3. Nc2 Bxd5 4.
cxd5
4 0.06 0.01 1. ... Qg5 2. Rg1 b4 3. Nc2 Bxd5 4.
cxd5
4-> 0.09 0.01 1. ... Qg5 2. Rg1 b4 3. Nc2 Bxd5 4.
cxd5
5 0.17 -0.13 1. ... Qg5 2. Rg1 Rh6 3. g3 Bxd5 4.
exd5 bxc4 5. Nxc4
5-> 0.21 -0.13 1. ... Qg5 2. Rg1 Rh6 3. g3 Bxd5 4.
exd5 bxc4 5. Nxc4
6 0.67 -0.14 1. ... Qg5 2. g3 fxg3 3. fxg3 Bg4 4.
Be2 Bh3 5. Rf2 bxc4 6. Nxc4
6-> 0.76 -0.14 1. ... Qg5 2. g3 fxg3 3. fxg3 Bg4 4.
Be2 Bh3 5. Rf2 bxc4 6. Nxc4
7 1.39 -0.05 1. ... Qg5 2. g3 fxg3 3. fxg3 Bg4 4.
Be2 Bxe2 5. Qxe2 Nd4
7-> 1.57 -0.05 1. ... Qg5 2. g3 fxg3 3. fxg3 Bg4 4.
Be2 Bxe2 5. Qxe2 Nd4
8 2.70 -0.14 1. ... Qg5 2. g3 fxg3 3. fxg3 Bg4 4.
Be2 Bh3 5. Rf2 bxc4 6. Nxc4
8 6.79 ++ 1. ... Qh4!!
8 11.89 1.55 1. ... Qh4 2. g3 Qh3 3. Qf3 Rh6 4.
Qg2 Qxg2+ 5. Kxg2 Bh3+ 6. Kg1 Bxf1
7. Rxf1
8-> 11.89 1.55 1. ... Qh4 2. g3 Qh3 3. Qf3 Rh6 4.
Qg2 Qxg2+ 5. Kxg2 Bh3+ 6. Kg1 Bxf1
7. Rxf1
9 15.00 1.54 1. ... Qh4 2. g3 Qh3 3. Qf3 Rh6 4.
Qg2 Qxg2+ 5. Kxg2 Bh3+ 6. Kg1 Bxf1
7. Rxf1 b4
9-> 15.51 1.54 1. ... Qh4 2. g3 Qh3 3. Qf3 Rh6 4.
Qg2 Qxg2+ 5. Kxg2 Bh3+ 6. Kg1 Bxf1
7. Rxf1 b4
10 21.87 1.49 1. ... Qh4 2. g3 Qh3 3. Qf3 Rh6 4.
Qg2 Qxg2+ 5. Kxg2 Bh3+ 6. Kg1 Bxf1
7. Rxf1 fxg3 8. hxg3
10-> 24.57 1.49 1. ... Qh4 2. g3 Qh3 3. Qf3 Rh6 4.
Qg2 Qxg2+ 5. Kxg2 Bh3+ 6. Kg1 Bxf1
7. Rxf1 fxg3 8. hxg3
11 43.46 1.61 1. ... Qh4 2. g3 Qh3 3. Qf3 Bg4 4.
Qg2 Qh5 5. f3 Bh3 6. Qd2 Bxf1 7. Rxf1
fxg3 8. cxb5 axb5 9. Nxb5 gxh2 10.
Qxh2
11-> 47.00 1.61 1. ... Qh4 2. g3 Qh3 3. Qf3 Bg4 4.
Qg2 Qh5 5. f3 Bh3 6. Qd2 Bxf1 7. Rxf1
fxg3 8. cxb5 axb5 9. Nxb5 gxh2 10.
Qxh2
12 1:32 1.89 1. ... Qh4 2. g3 Qh3 3. Qf3 Bg4 4.
Qg2 Qh5 5. f3 Bh3 6. Qe2 Bxf1 7. Rxf1
Rxg3 8. cxb5
(2) 12-> 2:28 1.89 1. ... Qh4 2. g3 Qh3 3. Qf3 Bg4 4.
Qg2 Qh5 5. f3 Bh3 6. Qe2 Bxf1 7. Rxf1
Rxg3 8. cxb5
==========================================================================
Crafty SE 17.16 analysis after 15. ...Rc8 16.f3 or 16. g3 seem to offer
stronger resistance
[D] 2rqkb2/5p1p/p1npb1r1/1p1Np3/4Pp2/N2B4/PPP2PPP/R2Q1R1K w - -
White(1): go
clearing hash tables
time surplus 0.00 time limit 100:00 (100:00)
nss depth time score variation (1)
2 0.00 -1.32 1. Kg1 Bh3 2. g3 Bxf1 3. Bxf1 fxg3
4. hxg3
2 0.00 ++ 1. Be2!!
2 0.00 0.19 1. Be2 Qg5 2. Bf3 Bxd5 3. Qxd5
2-> 0.02 0.19 1. Be2 Qg5 2. Bf3 Bxd5 3. Qxd5
3 0.02 0.08 1. Be2 Qg5 2. Bf3 Bg7
3 0.03 0.11 1. Qh5 b4 2. Nc4 Bxd5 3. exd5
(2) 3-> 0.05 0.15 1. Re1 Qg5 2. Qf3 Bg4
4 0.06 0.04 1. Re1 Qg5 2. Bf1 Bg4 3. Qd3
4 0.08 0.09 1. Be2 Qg5 2. Rg1 Nd4 3. Bh5
(2) 4-> 0.10 0.09 1. Be2 Qg5 2. Rg1 Nd4 3. Bh5
5 0.11 0.02 1. Be2 Qg5 2. Rg1 Bxd5 3. Qxd5 Bg7
(4) 5-> 0.24 0.02 1. Be2 Qg5 2. Rg1 Bxd5 3. Qxd5 Bg7
(3) 6 0.30 -0.19 1. Be2 Qg5 2. Bf3 Nd4 3. Re1 Bxd5 4.
exd5
(2) 6 0.49 -0.12 1. c4 Qg5 2. Rg1 Qh4 3. Rf1 Rh6 4.
h3 Bxd5 5. exd5
6-> 0.78 -0.12 1. c4 Qg5 2. Rg1 Qh4 3. Rf1 Rh6 4.
h3 Bxd5 5. exd5
7 0.97 -0.07 1. c4 Qg5 2. Rg1 Qh4 3. Rf1 b4 4. g3
fxg3 5. fxg3
(3) 7-> 1.67 -0.07 1. c4 Qg5 2. Rg1 Qh4 3. Rf1 b4 4. g3
fxg3 5. fxg3
8 4.41 -- 1. c4
(2) 8 5.27 -0.69 1. c4 Qh4 2. cxb5 Rh6 3. Nf6+ Kd8 4.
h3 f3 5. bxc6 fxg2+ 6. Kxg2 Bxh3+ 7.
Kg1 Bxf1
8 9.19 -0.30 1. Qd2 Qh4 2. f3 Bg7 3. Kg1 Kf8 4.
Rae1 Kg8 5. Be2
8 11.31 -0.21 1. Re1 Qh4 2. Kg1 Nd4 3. c3 Qh3 4.
g3 Bxd5 5. exd5
(3) 8-> 12.94 -0.21 1. Re1 Qh4 2. Kg1 Nd4 3. c3 Qh3 4.
g3 Bxd5 5. exd5
9 13.92 -- 1. Re1
(2) 9 16.77 -1.24 1. Re1 Qh4 2. Kg1 Nd4 3. Be2 Bh3 4.
Bf1 f3 5. Ne3 Qxe4
9 17.13 ++ 1. Qd2!!
9 37.08 -0.35 1. g3 fxg3 2. fxg3 Nd4 3. c3 Bg4 4.
Qd2 Bf3+ 5. Kg1 Bh6 6. Qf2
9 47.50 -0.31 1. f3 Qh4 2. Qe1 Qg5 3. Qf2 Be7 4.
Rae1 Nd4 5. Kg1 Bh3
(2) 9-> 50.02 -0.31 1. f3 Qh4 2. Qe1 Qg5 3. Qf2 Be7 4.
Rae1 Nd4 5. Kg1 Bh3
10 1:08 -0.26 1. f3 Qg5 2. Qd2 Rh6 3. Kg1 Qh4 4.
h3 Rg6 5. Nb6 Rb8 6. Nd5 Bxd5 7. exd5
10 1:15 2/36* 1. g3
===========================================================================
Force analysis on 16. c4?
White(1): search c4
White(1): go
time surplus 0.00 time limit 100:00 (100:00)
nss depth time score variation (1)
5 0.00 -0.32 1. c4 Qg5 2. g3 fxg3 <HT>
5-> 0.00 -0.32 1. c4 Qg5 2. g3 fxg3 <HT>
6 0.00 -0.32 1. c4 Qg5 2. g3 fxg3 <HT>
6-> 0.00 -0.32 1. c4 Qg5 2. g3 fxg3 <HT>
7 0.02 -0.32 1. c4 Qg5 2. g3 fxg3 <HT>
7-> 0.02 -0.32 1. c4 Qg5 2. g3 fxg3 <HT>
8 0.95 -- 1. c4
8 1.05 -0.69 1. c4 Qh4 2. cxb5 Rh6 3. Nf6+ Kd8 4.
h3 f3 5. bxc6 fxg2+ 6. Kxg2 Bxh3+ 7.
Kg1 Bxf1
8-> 1.05 -0.69 1. c4 Qh4 2. cxb5 Rh6 3. Nf6+ Kd8 4.
h3 f3 5. bxc6 fxg2+ 6. Kxg2 Bxh3+ 7.
Kg1 Bxf1
9 3.03 -- 1. c4
9 10.80 -1.55 1. c4 Qh4 2. g3 Qh3 3. Qf3 Rh6 4. Qg2
Qxg2+ 5. Kxg2 Bh3+ 6. Kg1 Bxf1 7. Rxf1
9-> 10.80 -1.55 1. c4 Qh4 2. g3 Qh3 3. Qf3 Rh6 4. Qg2
Qxg2+ 5. Kxg2 Bh3+ 6. Kg1 Bxf1 7. Rxf1
10 14.49 -1.54 1. c4 Qh4 2. g3 Qh3 3. Qf3 Rh6 4. Qg2
Qxg2+ 5. Kxg2 Bh3+ 6. Kg1 Bxf1 7. Rxf1
b4
10-> 14.49 -1.54 1. c4 Qh4 2. g3 Qh3 3. Qf3 Rh6 4. Qg2
Qxg2+ 5. Kxg2 Bh3+ 6. Kg1 Bxf1 7. Rxf1
b4
11 23.28 -1.49 1. c4 Qh4 2. g3 Qh3 3. Qf3 Rh6 4. Qg2
Qxg2+ 5. Kxg2 Bh3+ 6. Kg1 Bxf1 7. Rxf1
fxg3 8. hxg3
11-> 23.28 -1.49 1. c4 Qh4 2. g3 Qh3 3. Qf3 Rh6 4. Qg2
Qxg2+ 5. Kxg2 Bh3+ 6. Kg1 Bxf1 7. Rxf1
fxg3 8. hxg3
12 39.97 -- 1. c4
12 2:46 -2.00 1. c4 Qh4 2. g3 Qh3 3. Qf3 Bg4 4. Qg2
Qh5 5. Nb6 Bf3 6. Nxc8 fxg3 7. fxg3
Bxg2+ 8. Kxg2
12-> 2:46 -2.00 1. c4 Qh4 2. g3 Qh3 3. Qf3 Bg4 4. Qg2
Qh5 5. Nb6 Bf3 6. Nxc8 fxg3 7. fxg3
Bxg2+ 8. Kxg2
===========================================================================
so after only 2 minutes on a micro search, maybe 1M nps, Crafty SE 17.16 sees
16. c4 is not looking so well ...the DB prototype. seeing 3-5M nps did not see
this coming?
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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