Author: Dirk Frickenschmidt
Date: 13:59:28 09/17/98
Go up one level in this thread
On September 17, 1998 at 09:35:40, Robert Hyatt wrote: Hi Bob, thanks for answering. Looks like your Crafty parallel processing job is doing very nice. Probably was some work to make it run smoothly and become that fast... ? Kind regards from Dirk >On September 17, 1998 at 06:12:56, Dirk Frickenschmidt wrote: > >>Here's one of the test positions where I was surprised about Junior5's tactical >>strength. >> >>Fritz5 blundered this position standing well but accepting an exchange sacrifice >>leading to a black mate attack. And Fritz normally does *very* well in finding >>mate threats. Other programs like Mchess 7.1 and Rebel9 also have problems with >>this positions, as is mentioned below. I guess this could count for most >>programs - with the possible exception of de Konings programs guessed again, >>perhaps also some Kittinger prg - , so please test and show me I was wrong... >>;-) >> >>Junior5 had the best time of soving this problem by far from the four programs I >>tested so far. >> >>Fritz5 - Golubev,M [E98] >>Sparkassen open rapid bad tactical move >>[DF] >> >>1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 0-0 6.Be2 e5 7.0-0 Nc6 8.d5 Ne7 9.Ne1 >>c5 10.dxc6 bxc6 11.b4 d5 12.Bg5 d4 13.Bxf6 Bxf6 14.Na4 Bg7 15.Nc5 h5 16.f4 exf4 >>17.Ned3 h4 18.Rxf4 a5 19.b5 cxb5 20.cxb5 a4 21.Rb1 Bh6 22.Rf1 Be3+ 23.Kh1 f5 >>24.Bf3 fxe4 25.Bxe4 Nf5 26.Bxa8?? [This is the Fritz5 blunder losing the game. >>Mchess 7.1 sees problems in ply 8 after about 5' and begins dropping from +5.02 >>down to +2.10, considering g4 as alternative and finally switching to ot after >>about 15'. Rebel9 smells "something" after 1'17, dropping from +6.23 to 4.09 in >>ply 9, but needs ply 11 and about 20' to evaluate even less with +0.63, still >>not finding another move within 30'.} [But Junior5 sees the mess already after >>1'51 on 200MMX-32Mb Hash and switches to 26.g4 with a white winning position] >>26...Ng3+ 27.hxg3 hxg3 28.Rxf8+ Qxf8 29.Bd5+ Kh8 30.Qh5+ 0-1 >> >>Kind regards >>from Dirk >> >> >>P.S. I was not able to continue my Junior5 tournament testgames for some days >>for a - perhaps from your view - funny reason: >>My parents in law visit us for some days and the second computer, being used for >>non-chess purposes (my two sons playing and one of them beginning to program) >>during the day, is in the room where they sleep. >>Of course their healthy sleep, undisturbed by computer cooler sounds, is *much* >>more important to me than any game of chess ever will be! :-) >> >>So I ask for your understanding and will continue the tournament with the first >>game against Fritz5 next night probably. > > >Here's what I get on my 4 processor P6/200 machine: > >Crafty v15.20 (4 cpus) > > depth time score variation (1) > 1 0.01 5.88 26. Bxa8 > 1-> 0.02 5.88 26. Bxa8 > 2 0.03 5.50 26. Bxa8 a3 > 2-> 0.05 5.50 26. Bxa8 a3 > 3 0.05 ++ 26. Bxa8!! > 3 0.06 6.57 26. Bxa8 Qf6 27. Qxa4 > 3-> 0.07 6.57 26. Bxa8 Qf6 27. Qxa4 > 4 0.12 6.43 26. Bxa8 Qd6 27. Qxa4 Qb6 > 4-> 0.13 6.43 26. Bxa8 Qd6 27. Qxa4 Qb6 > 5 0.22 6.43 26. Bxa8 a3 27. Qb3+ Rf7 28. Qxa3 Qb6 > 5-> 0.26 6.43 26. Bxa8 a3 27. Qb3+ Rf7 28. Qxa3 Qb6 > 6 0.67 -- 26. Bxa8 > 6 0.75 5.72 26. Bxa8 Ng3+ 27. hxg3 Rxf1+ 28. Qxf1 > hxg3 29. Nf4 Bf5 30. Qc4+ Kh8 31. Rb4 > Qxa8 32. Rxa4 > 6-> 1.08 5.72 26. Bxa8 Ng3+ 27. hxg3 Rxf1+ 28. Qxf1 > hxg3 29. Nf4 Bf5 30. Qc4+ Kh8 31. Rb4 > Qxa8 32. Rxa4 > 7 1.65 5.59 26. Bxa8 Ng3+ 27. hxg3 hxg3 28. Rxf8+ > Qxf8 29. Bd5+ Kh7 30. Bf3 Qh6+ 31. > Bh5 Bf5 32. Nxa4 Bxd3 33. Qxd3 Qxh5 > 7-> 5.03 5.59 26. Bxa8 Ng3+ 27. hxg3 hxg3 28. Rxf8+ > Qxf8 29. Bd5+ Kh7 30. Bf3 Qh6+ 31. > Bh5 Bf5 32. Nxa4 Bxd3 33. Qxd3 Qxh5 > 8 7.47 5.66 26. Bxa8 Ng3+ 27. hxg3 hxg3 28. Rxf8+ > Qxf8 29. Bd5+ Kh8 30. Bf3 Qh6+ 31. > Bh5 Qg5 32. Bg4 Bxg4 33. Qxa4 > 8-> 13.10 5.66 26. Bxa8 Ng3+ 27. hxg3 hxg3 28. Rxf8+ > Qxf8 29. Bd5+ Kh8 30. Bf3 Qh6+ 31. > Bh5 Qg5 32. Bg4 Bxg4 33. Qxa4 > 9 16.03 -- 26. Bxa8 > 9 24.29 2.05 26. Bxa8 Ng3+ 27. hxg3 hxg3 28. Rxf8+ > Qxf8 29. Bd5+ Kh8 30. Bf3 Qh6+ 31. > Bh5 Qg5 32. Nf4 Qxf4 33. Bg4 Bxg4 34. > Qxa4 > 9 32.44 2.29 26. Ne5 Ra7 27. Nxg6 Rf6 28. Ne5 Qd6 > 29. b6 Rg7 30. Ncd3 > 9 37.19 ++ 26. b6!! > 9 45.28 3.25 26. b6 Rb8 27. b7 Bd7 28. Na6 Qa5 29. > Nxb8 Rxb8 30. Rb2 Qc3 > 9-> 1:12 3.25 26. b6 Rb8 27. b7 Bd7 28. Na6 Qa5 29. > Nxb8 Rxb8 30. Rb2 Qc3 > 10 1:47 -- 26. b6 > 10 2:09 2.54 26. b6 Rf7 27. Rf3 Rb8 28. b7 Ng3+ > 29. hxg3 Bg4 30. Qxa4 hxg3 31. Rxg3 > Qh4+ 32. Rh3 Bxh3 33. gxh3 Qxh3 > 10 2:26 ++ 26. g4!! > 10 2:42 3.44 26. g4 hxg3 27. Bxa8 gxh2 28. Rf3 Qd6 > 29. Qc2 Be6 30. Nxe6 Rxa8 > >Bob
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