Author: Robert Hyatt
Date: 12:47:39 09/09/04
Go up one level in this thread
On September 09, 2004 at 15:19:57, José Antônio Fabiano Mendes wrote:
> GM Tony Miles vs Deep Thought, 1989
> [D]r4rk1/ppB2pp1/2nb3p/8/2B5/2N2P2/PP1n1P1P/2KR3R b
> Source ==> http://www.chesscafe.com/dvoretsky/dvoretsky.htm
>
>Now Black, it appears, must choose between 14...Nxc4 15.Bxd6 Nxd6 16.Rxd6, or
>14...Bxc7 15.Kxd2.In either case, he stands better; but his opponent, who has
>been able to maintain the material balance, has hopes of saving himself.
>
>On the other hand, several pieces are still en prise, so they’re “desperadoes,”
>capable of anything. Black found a completely unexpected blow, guaranteeing him
>a healthy extra pawn.
>
>14...Bd6xh2!! 15.Bc7xh2
>
>15.Rxd2 Bxc7 could hardly be called better. And one more “desperado” – 15.Bxf7+
>Rxf7 16.Bxh2 – doesn’t help: after 16...Nxf3, White is a pawn down again.
>
>15...Nd2xc4 16.Rd1-d7 b7-b6
>
>And Black eventually converted the extra pawn.
>
>Oh – and I nearly forgot to tell you who was Black. It was the computer, Deep
>Thought (the predecessor to Deep Blue, which beat Garry Kasparov in a match).
>You can understand that, for a computer, with no human habits or prejudices to
>shake off, finding a move like 14...Bxh2!! would not be difficult. I hope, after
>reading this piece, that making similar imaginative decisions will become easier
>for you, as well.
The problem here is that this is a completely trivial move for a computer to
find. It might have been surprising back then, considering the very slow PC
hardware that was around, but Crafty finds this instantly today, marking it as
"easy" for most any program...
7-> 0.03 -0.93 1. ... Bxc7 2. Kxd2 Bb6 3. Kc1 Na5
4. Bb5 Bxf2
8 0.06 -0.76 1. ... Bxc7 2. Kxd2 Bb6 3. Rhf1 Rfe8
4. Bd5 Rad8 5. Kc1
8 0.09 -0.88 1. ... Bxh2 2. Rxd2 Bxc7 3. Nd5 Ba5
4. Rdd1 Rfe8 5. Kb1
8-> 0.09 -0.88 1. ... Bxh2 2. Rxd2 Bxc7 3. Nd5 Ba5
4. Rdd1 Rfe8 5. Kb1 (s=2)
9 0.13 -1.16 1. ... Bxh2 2. Rxd2 Bxc7 3. Nd5 Rac8
4. Kb1 Rfe8 5. Rg1 Bd6
9-> 0.17 -1.16 1. ... Bxh2 2. Rxd2 Bxc7 3. Nd5 Rac8
4. Kb1 Rfe8 5. Rg1 Bd6 (s=2)
10 0.23 -1.01 1. ... Bxh2 2. Rxd2 Bxc7 3. Nd5 Rac8
4. Kb1 Ba5 5. Rdd1 Rfe8 6. Rh5
10-> 0.37 -1.01 1. ... Bxh2 2. Rxd2 Bxc7 3. Nd5 Rac8
4. Kb1 Ba5 5. Rdd1 Rfe8 6. Rh5 (s=2)
11 0.74 -1.25 1. ... Bxh2 2. Rxh2 Nxc4 3. Nd5 Rac8
4. Kb1 Rfe8 5. Rh4 N4e5 6. Rf4 Ng6
11-> 0.89 -1.25 1. ... Bxh2 2. Rxh2 Nxc4 3. Nd5 Rac8
4. Kb1 Rfe8 5. Rh4 N4e5 6. Rf4 Ng6
12 1.58 -1.10 1. ... Bxh2 2. Rxh2 Nxc4 3. Rh4 N4e5
4. Rf4 Rfe8 5. Nd5 Ng6 6. Re4 Rxe4
7. fxe4 Rc8 <HT>
12-> 2.90 -1.10 1. ... Bxh2 2. Rxh2 Nxc4 3. Rh4 N4e5
4. Rf4 Rfe8 5. Nd5 Ng6 6. Re4 Rxe4
7. fxe4 Rc8 <HT> (s=2)
13 5.19 -1.27 1. ... Bxh2 2. Rxh2 Nxc4 3. Rh4 N4e5
4. Rf4 Rac8 5. Nd5 Ng6 6. Re4 Nce5
7. f4 Nf3
13-> 7.25 -1.27 1. ... Bxh2 2. Rxh2 Nxc4 3. Rh4 N4e5
4. Rf4 Rac8 5. Nd5 Ng6 6. Re4 Nce5
7. f4 Nf3 (s=2)
14 10.05 -1.21 1. ... Bxh2 2. Rxh2 Nxc4 3. Rh4 N4e5
4. Rf4 Rac8 5. Nd5 Ng6 6. Re4 Rfe8
7. Kb1 Rxe4 8. fxe4 Nce5
14-> 14.32 -1.21 1. ... Bxh2 2. Rxh2 Nxc4 3. Rh4 N4e5
4. Rf4 Rac8 5. Nd5 Ng6 6. Re4 Rfe8
7. Kb1 Rxe4 8. fxe4 Nce5 (s=2)
15 32.09 -1.35 1. ... Bxh2 2. Rxh2 Nxc4 3. Rh4 N4e5
4. Rf4 Rac8 5. Nd5 Ng6 6. Re4 Rfe8
7. Kb1 Rxe4 8. fxe4 Nb4 9. Rc1 Nxd5
10. exd5
15-> 38.54 -1.35 1. ... Bxh2 2. Rxh2 Nxc4 3. Rh4 N4e5
4. Rf4 Rac8 5. Nd5 Ng6 6. Re4 Rfe8
7. Kb1 Rxe4 8. fxe4 Nb4 9. Rc1 Nxd5
10. exd5
16 1:00 -1.24 1. ... Bxh2 2. Rxd2 Bxc7 3. Rd7 Rac8
4. Bd5 Ne5 5. Re7 Rfe8 6. Rxe8+ Rxe8
7. Bxb7 Nd3+ 8. Kc2 Nxf2 9. Rh5 Bf4
10. Nd5 Re2+ 11. Kb3
16-> 1:31 -1.24 1. ... Bxh2 2. Rxd2 Bxc7 3. Rd7 Rac8
4. Bd5 Ne5 5. Re7 Rfe8 6. Rxe8+ Rxe8
7. Bxb7 Nd3+ 8. Kc2 Nxf2 9. Rh5 Bf4
10. Nd5 Re2+ 11. Kb3 (s=2)
>
>===============================================================================
>
>[Site "American Open Exhibi"]
>[Date "1989.??.??"]
>[White "Miles"]
>[Black "COMP Deep Thought"]
>[Result "0-1"]
>
>1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. Nc3 e5 5. Nf3 exd4 6. Qxd4 Bd6 7. Bxc4 O-O
>8. Bg5 Nc6 9. Qd2 h6 10. Bh4 Bg4 11. O-O-O Bxf3 12. gxf3 Nxe4 13. Bxd8 Nxd2
>14. Bxc7 Bxh2 15. Bxh2 Nxc4 16. Rd7 b6 17. f4 Rad8 18. Rhd1 Rfe8 19. b3 Rxd7 20.
>Rxd7 Re1+ 21. Nd1 N4a5 22. Kd2 Rh1 23. Bg3 h5 24. f5 h4 25. Bf4 Nb4
>26. a3 Nbc6 27. Rd3 Nd4 28. b4 Nac6 29. f6 gxf6 30. Nc3 Ne6 31. Nd5 Kg7
>32. Bd6 Ng5 33. Ke2 h3 34. Rd1 Rxd1 35. Kxd1 Ne5 36. Ne3 h2 37. Nf5+ Kg6
>38. Ng3 Ne4 0-1
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.