Author: Dave Gomboc
Date: 00:01:27 08/30/02
Go up one level in this thread
On August 29, 2002 at 22:25:50, Mike Byrne wrote:
>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?
Not once they got the machine restarted, no.
Dave
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