Author: Ed Schröder
Date: 20:00:58 08/12/98
Go up one level in this thread
>Posted by Francesco Di Tolla on August 12, 1998 at 00:49:28: >This is the point! >May be I'm wrong, so I would apologize from now already for starting the >thread, but what do you get from the followin sentence from the commentary > (by Jeroen Noomen) on game 7 of the match Rebel-Anand after 1.d4 d5 2.c4 Nc6: >"I chose this opening because I wanted an unbalanced >game for Rebel, relying on the surprise value. Playing a Queen's Indian >or a Queen's gambit instead, was probably exactly Anand was hoping for. >He knows too much about this opening, so lets play unorthodox!" >and at move 3 >"A small success: Anand avoids the main theoretical lines, starting with >3 cxd5, 3 Nc3 or 3 Nf3." >Am I misunderstanding it? Hi Franz, Yes you misunderstand, let me explain.... In Man versus Machine games (like Rebel-Anand or the former Aegon tournament) it is *not* allowed that the operator may influence the game in any way. What Jeroen is talking about (and what is allowed) that you can load another "opening book" BEFORE the game starts. Of course it is not allowed to switch opening books during the game by the operator. An example, say you want to open with 1.e4 because you have lost the previous game with 1.d4 then simply load another opening book which has 1.e4 set to active and the rest of the moves on "non-active". In this way in his preparation for the match Jeroen had made 5 opening books for the Rebel white repertoire and 5 for the black repertoire. A good example was the Tschigorin defence in game-7 (1.d4 d5 2.c4 Nc6) In this opening book (loaded before Anand played 1.d4) the only reply to 1.d4 for black is 1..d5 just hoping Anand would play 2.c4 and so he did. Then the only active move was 2..Nc6 and so we had the Tschigorin defence which we considered good for Rebel. So that's the way it goes in human versus computer events to escape from human preparations against Rebel. Since Rebel's opening book is generally available Rebel is an easy victim for opening preparation. To participate in human versus computer events you simply must have *another* opening repertoire if you want to have a good result. Hope this explains a little, feel free to ask if something is unclear yet. - Ed - >regards >Franz
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