Author: Robert Hyatt
Date: 05:17:07 11/13/98
Go up one level in this thread
On November 13, 1998 at 01:33:00, Lawrence S. Tamarkin wrote:
>Sorry, I forgot to post the full game here in my privious post...
>
>
>
>Sagalchik,G - Zamora,J []
>USAT East,Parsippany, 1995
>
>1.d4 Nf6 2.c4 c6 3.Nc3 d5 4.e3 e6 5.Nf3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 Bb7
>9.0-0 b4 10.Ne4 c5 11.Nxf6+ gxf6 12.e4 cxd4 13.Nxd4 Bc5 14.Be3 Qb6 15.Bb5 Rd8
>16.Nxe6 fxe6 17.Bxd7+ Ke7 18.Qg4 Bxe3 19.Qg7+ Kd6 20.Rad1+ Bd4 21.Rd2 Kc7
>22.Be8+ Kb8 23.Qxh8 Bc6 24.Qxh7 Bxe8 25.Rc1 e5 26.h4 Qb7 27.Qf5 Qf7 28.h5 Bd7
>29.Qf3 Rg8 30.Rxd4 exd4 31.Qf4+ Ka8 32.Rc7 Qxh5 33.Rxd7 Qd1+ 34.Kh2 Qh5+ 35.Kg1
>Qd1+ 36.Kh2 Qh5+ 37.Kg1 ½-½
>
>
>
>Subject: Interesting position solved only by Junior5 and Exchess2.45!
>
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>Posted by Lawrence S. Tamarkin on November 13, 1998 at 01:19:29:
>
>
>I found the following interesting positon from the game, Saglchik-Zamora USAT
>East, Parippany 1995, while studying the Chess Assistant program, 'Encyclopedia
>Of Middlegames'. (A really fantastic tutor program).
>
>3rk2r/pb1n1p1p/1q2pp2/1Bb5/1p1NP3/4B3/PP3PPP/R2Q1RK1 w k - 0 1 (16.Nxe6)
>
>
>All engines in Junior were set to 'adopt all hashtables', at the 10 minute
>level, on my Acer, 200MhZ, 32m ram machine, for what it is worth.
>
>1. Junior5 finds 16.Nxe6 after 19 seconds
>2. Fritz5 (16 bit), 16.Qd3 is executed after 25 seconds.
>3. Crafty 15.19, 16.Qd3, after 35 seconds.
>4. Exchess 2.45, 16.Nxe6 after 25 seconds.
>5. Rebel 10, 16.Qd3, after 14 seconds (set at 13 meg Hash tables, 10 minute
> game.
>6. CM6000, 16.Qd3, almost immeidately! And this from the program that finds
> Mate in 14 in the Shirov-Krasenkov position!
>
>Incidently, 'Encyclopedia Of Middlegames', gives the variation, 16.Nxe6 fxe6
>17.Bxd7+ Ke7 18.Bxc5 Qxc5 19.Qg4 Qe5(?)20.Qg7+ Kd6 21.Rfd1+ Kc7 22.Be8!, as
>winning. But Junior5 also found the amazing variation, (after, 16.Nxe6 fxe6
>17.Bxd7+ Ke7 18.Bxc5 Qxc5 19.Qg4 Kxd7 20.Qg7+ Qe7! 21.Rfd1 Bd5!, and Black is
>alright! - I think:)
>
>Also, I found by perusing the contents of the Rebel Million Base, that the
>actual game continued this way; 16.Nxe6 fxe6 17.Bxd7 Ke7 18.Qg4 (Sagalchick
>decides against 18.Bxc5!?)...Bxe3 19.Qg7+ Kd6 20.Rad1+ Bd4 21.Rd2 Kc7 22.Be8!
>Ke8! 23.Qxh8 Bc6 24.Qxh7 Bxe8, and Black later drew. All in all, a really
>facinating game with plenty of complications. And this game is only in Million
>Base, as far as I know?
>
>
>mrslug - the ikompetent chess software addict!
Here's what I get with the "current" crafty version 16.1, on my ALR machine:
time surplus 0.00 time limit 166:39 (166:39)
depth time score variation (1)
starting thread 1
starting thread 2
starting thread 3
1 0.01 1.11 1. Qd3
1-> 0.04 1.11 1. Qd3
2 0.04 -- 1. Qd3
2 0.04 0.72 1. Qd3 O-O
2-> 0.07 0.72 1. Qd3 O-O
3 0.13 0.65 1. Qd3 O-O 2. Nf3
3 0.17 ++ 1. Nxe6!!
3 0.18 1.42 1. Nxe6 Qxe6 2. Bxc5 Qxe4
3-> 0.19 1.42 1. Nxe6 Qxe6 2. Bxc5 Qxe4
4 0.20 1.42 1. Nxe6 Qxe6 2. Bxc5 Qxe4
4-> 0.29 1.42 1. Nxe6 Qxe6 2. Bxc5 Qxe4
5 0.37 1.59 1. Nxe6 Qxe6 2. Bxc5 Qxe4 3. Re1
5-> 0.56 1.59 1. Nxe6 Qxe6 2. Bxc5 Qxe4 3. Re1
6 0.64 -- 1. Nxe6
6 0.67 0.71 1. Nxe6 fxe6 2. Bxd7+ Ke7 3. Bxc5+
Qxc5 4. Rc1 Qe5 5. f4 Qxb2
6-> 1.46 0.71 1. Nxe6 fxe6 2. Bxd7+ Ke7 3. Bxc5+
Qxc5 4. Rc1 Qe5 5. f4 Qxb2
7 1.54 -- 1. Nxe6
7 1.63 -0.25 1. Nxe6 fxe6 2. Bxd7+ Ke7 3. Bxc5+
Qxc5 4. Rc1 Qb6 5. e5 Rxd7 6. exf6+
7 4.27 ++ 1. Qd3!!
7 7.56 0.60 1. Qd3 Qd6 2. Rfd1 Bb6 3. Rac1 O-O
4. Nxe6 Qxe6 5. Bxd7 Bxe3 6. fxe3 Bxe4
7. Bxe6 Bxd3
7-> 9.85 0.60 1. Qd3 Qd6 2. Rfd1 Bb6 3. Rac1 O-O
4. Nxe6 Qxe6 5. Bxd7 Bxe3 6. fxe3 Bxe4
7. Bxe6 Bxd3
8 17.17 0.54 1. Qd3 a6 2. Ba4 Qd6 3. Rfd1 e5 4.
Nf3 Qxd3 <HT>
8-> 26.69 0.54 1. Qd3 a6 2. Ba4 Qd6 3. Rfd1 e5 4.
Nf3 Qxd3 <HT>
9 34.39 0.54 1. Qd3 a6 2. Ba4 Qd6 3. Rfd1 e5 4.
Nf3 Qxd3 5. Rxd3 Bxe3 6. Rxe3
9 51.90 ++ 1. Nxe6!!
9 1:00 1.26 1. Nxe6 fxe6 2. Bxd7+ Ke7 3. Bxc5+
Qxc5 4. Qg4 Kxd7 5. Rad1+ Ke8 6. Qg7
Rf8 7. Rxd8+ Kxd8 8. Qxb7
9-> 1:03 1.26 1. Nxe6 fxe6 2. Bxd7+ Ke7 3. Bxc5+
Qxc5 4. Qg4 Kxd7 5. Rad1+ Ke8 6. Qg7
Rf8 7. Rxd8+ Kxd8 8. Qxb7
So crafty finds it quickly, then changes, then back to Ne6 after 51 seconds.
Bob
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