Author: blass uri
Date: 11:40:20 03/19/99
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On March 18, 1999 at 02:46:31, blass uri wrote: > >On March 17, 1999 at 14:58:22, Dann Corbit wrote: > >>These two were found quickly by Crafty: >>6k1/1p3pp1/p6p/P7/5q1P/1PPPpB1r/8/R2Q1K2 b - - acd 7; acn 1520065; acs 10; ce >>32756; pv Rh1+ Ke2 Rh2+ Kf1 Qxh4 Qc2 Rf2+ Ke1 Rd2+ Kf1 Qf2#; >>7r/b4pk1/p7/np1Q4/2p5/2P4P/PP3PP1/4R1K1 w - - acd 9; acn 61279017; acs 337; ce >>32756; pv Re7 Kh6 Qxf7 Bxf2+ Kxf2 Rf8 Qxf8+ Kg5 Rg7+ Kh4 Qh8#; >> >>The others were not discovered, although all have a positive ce of 551 to 1692. >>I have not tried any other tools against them yet. >> >>I would be very interested to see the other solutions. How far out are the >>mates? >> >>You are a very gifted problem solver/composer. Have you ever entered those >>problem contests? > >I entered a problem contest in Israel when the target was to compose long >studies with a known kind of final positions. > >in one of the cases the target was to compose a problem when white does mate >with only king and one minor piece(knight, bishop or pawn) and I composed the >mate in 17.5 as a result. > >These problems were not composed by me >They are part of the ssdf games >The evaluation of Fritz5.32 show more than 5.5 pawns advantage and I am sure >Fritz5.32 is winning and the question is only to find mates. > >Junior5.3 show mate in 10 in the first position after looking 57466 Knodes >(8 minutes and 35 seconds) > >main line >1.g4 g5 2.Rxb5 e5 3.Rxe5 a3 4.bxa3 d3 5.Rxg5 Rc8 6.Rg7 Rc2+ 7.Ke3 Re2+ >8.Kd4 Re4+ 9.Kxe4 d2 10.Rg8# > >position 2:Rh1 is mate in 6(Junior5.3 191Knodes at depth 9) > >position 3:Rh3 is mate in 7(Junior5.3 26911Knodes at depth 15 after 2 minutes >and 49 seconds) > >position 4:Qf4+ is mate in 8(Junior5.3 47102Knodes at depth 16 after 5 minutes) > >position 5:Junior5.3 sees dxe3+ as mate in at most 11 moves after 29 minutes and >25 seconds(394201 knodes) >I think that chessmaster saw shorter mate but I am not sure >1...dxe3+ 2.Ke2 Qf4 3.d4 Qxg4+ 4.Kd3 e2+ 5.Kc4 exd1Q 6.Rxd1 Qxd1 7.c3 Qd3+ 8.Kd5 >Qb5+ 9.Ke4 Qe2+ 10.Kd5 Rxc3 with mate next move. > >position 6:Junior5.3 saw after more than an hour that Be3+ is mate in 12 > >Uri position 7:Junior5.3 needed close to 3 hours (1,869,066 Knodes) to see that Bxf4 is mate in 13 Uri
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