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Subject: How people could detect if a game was cooked?

Author: Rolf Tueschen

Date: 04:59:42 09/15/02


From the Macheide XP tuning games of Thorsten I found the following game. NB
that I did _not_ select the game. It was the first I played. Now I will take a
closer look.

The game [read the article in Computerschachwelt]:

Shredder 6 - XP Machëide x2cou_51
40 Moves in 120 min; 20 Moves in 60 min auto232 match, 400mhz (3), 13.09.2002

1.d4 book 0s 1...Nf6 1:27m 2.c4 book 0s 2...e6 5s 3.Nc3 book 0s 3...Bb4 2s 4.e3
book 0s 4...0-0 3s 5.Bd3 book 0s 5...d5 3s 6.cxd5 book 0s 6...exd5 2s 7.Nge2
book 0s 7...Re8 2s 8.0-0 book 0s 8...Bd6 3s 9.f3 book 0s 9...c5 2s 10.Qe1 book
0s 10...Nc6 3s 11.Qh4 book 0s 11...Be7 4s 12.dxc5 -0.15/13 10:06m 12...Bxc5
5:30m 13.Nd4 -0.15/13 0s 13...Bd7 3:37m (Ne5) 14.Nxd5 -0.03/13 9:32m 14...Nxd5
43s 15.Qxh7+ -0.01/13 3:47m 15...Kf8 6s 16.Qh8+ -0.37/13 7:09m 16...Ke7 4s
17.Qxg7 -1.08/12 5:04m 17...Rg8 8:11m 18.Qh7 -1.64/12 0s 18...Nxd4 15:04m
19.exd4 -1.73/13 0s 19...Bxd4+ 2:25m 20.Kh1 -1.73/13 0s 20...Be6 5:47m 21.Re1
-1.88/11 5:58m 21...Kd6 5s (Qb6) 22.Qe4 -1.70/11 6:51m 22...Qf6 4s 23.Rf1
-3.51/9 12:55m 23...Rxg2 4:02m 24.Kxg2 -9.03/11 7:48m 24...Rg8+ 4s 0-1

Now my questions:

1. Could someone tell me where exactly the books end?
2. Also could someone explain why Rebel played his book moves with different
times?
3. As a general question, does someone know if besides book cooking there can be
operator or tester tuning and if yes please with an example?
4. In my eyes we have a book cooking in the example above. Shredder ends with
Qh4, is that right?
5. The cook is Be7, right?
6. Look at the position after 13...Bd7. Could I give you this position to be
examined with your favorite progs? Who plays Nxd5? I already checked that FRITZ
7 does not play Nxd5. It's clear that Black gets a tempo with Rg8 and then can
take on d4.
7. Could someone explain how K-safety could be involved in this special game?
Black takes he risk of a wandering K to d6 and White is "safe" behind his pawns.
Why Shredder, the multi-time Wch cannot see that the open g-file brings storm
for his K?

Without exact answers to y questions I can't decide what is going on in the
game. But to quote a sentence by Ed Schroder in yesterday's CTF, as you know Ed
has retired from computerchess programming, I can smell a rat in this game.
Someone looks as if perfectly pre-arranged. Who can find the evidence?

Rolf Tueschen



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