Author: Randolph S. Baker
Date: 09:33:23 10/17/97
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On October 17, 1997 at 11:51:58, Robert Hyatt wrote: >On October 17, 1997 at 04:50:54, Christophe Theron wrote: > >> >>On October 17, 1997 at 03:59:32, Ed Schröder wrote: >> >>>What I noticed is that on a simple P90 Rebel9 wins games on ply depth >>>because of the new faster search. For Rebel this is a surprising new >>>development wouldn't you say so? >> >>Yes, I do. >> >> >>>Then on faster >>>machines the opponent program sees more and therefore is able to avoid >>>mistakes better resulting in a better score. >> >>Something we discussed earlier: tactics vanish when programs can go deep >>enough (and you know that so well). It used to be in favour of Rebel... >>Times are changing... >> > >wait a minute here. tactics *never* vanish. Check out some of the >Korrespondence Kup games. There were *huge* tactical battles in some >of the games, that searching to 10 plies would lose instantly. The >programs "might" make fewer tactical mistakes at deeper depths, but >they do make them. Find some tactical positions and run 'em thru at >8, 9, 10, 11, 12, 13, 14, 15 plies (if you can reach that depth) and >watch what it suddenly sees a ply or two deeper. This is not uncommon >at all... > I submit that positional knowledge can more than compensate for tactics in many situations. Otherwise, Kasparov would lose every game to DB, which can see far further tactically (on the average, though I expect some would take issue with that statement). Tactics would seem to be less important in the absence of positional weaknesses. If you don't make moves that create exploitable weaknesses, then tactics don't help as much. (Shields up! 8-) Incidentally, this reminds me of a subplot of one Star Trek TNG episode. What if Kasparov had deliberately played to draw every game from the beginning against DB instead of attempting to win? (Then again, it may be that Black is generally willing to settle for draws anyway, going for wins as White, so this may not be a meaningful question) Randy
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