Author: Gerd Isenberg
Date: 05:34:35 09/21/02
Go up one level in this thread
On September 21, 2002 at 07:32:16, Tony Werten wrote: >On September 21, 2002 at 06:03:22, Gerd Isenberg wrote: > >>On September 21, 2002 at 05:15:37, Tony Werten wrote: >> >>>On September 21, 2002 at 05:14:20, Tony Werten wrote: >>> >>>>On September 21, 2002 at 05:11:37, Tony Werten wrote: >>>> >>>>>On September 20, 2002 at 18:25:20, Dann Corbit wrote: >>>>> >>>>>>On September 20, 2002 at 18:03:55, Tony Werten wrote: >>>>>> >>>>>>>On September 20, 2002 at 05:15:45, Gian-Carlo Pascutto wrote: >>>>>>> >>>>>>>>[D]2b1q3/p7/1p1p2kb/nPpN3p/P1P1P2P/6P1/5R1K/5Q2 w - - 0 1 >>>>>>>> >>>>>>>>Isn't Rf6+ an alternate solution to e5? >>>>>>> >>>>>>>I think it is. I spoke with several other programmer about this position. Most >>>>>>>seem to play Rf6. Both seem to be good ( +1.5 ) >>>>>> >>>>>>It looks to me like a simple transposition. >>>>>>The programs that play Rf6 will play e5 in a few plies, and end up at the same >>>>>>position. >>>>> >>>>>Could be. I'm not sure though. It would explain why most programs choose Rf6 >>>>>since this gets an extension in most programs and e5 appears to be loosing a >>>>>pawn. Later they get the same score so e5 will never replace Rf6. >>>>> >>>>>BTW Are there any programs that solve this one ? ( Don't mean matesolvers ) >>>>> >>>> >>> >>>[D]rnb1k1nr/p2p1ppp/3B4/1p1N1N1P/4P1P1/3P1Q2/PqP5/R4Kb1 w kq - 0 1 >>> >>>> >>>>>Tony >> >>Aha, BT2630 Position 27 and 28 (from Anderssen-Kieseritzky 1851, "die >>Unsterbliche"). >> >>IsiChess (XP2.1) has no clue of e5 in 15 miutes. It wants to play Qd1 (after 10 >>seconds) with -0.22 after 1:49 and +0.01 after 6 minutes. >>PV: 1.Qd1 Na6 2.Kxg1 g6 3.Rb1 Qxa2 4.Ra1 Qb2 5.Ba3 Qxa3 5.Rxa3 gxf5 >> >>After 17:53 Rae1! with 21++ hmmm... > >XiniX wants to play Re1 as well. What does your 21++ mean ? Failhigh with +21 >pawns ? oups, failhigh with 21 centi pawns. Gerd > >Tony > >> >>Cheers, >>Gerd
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