Author: leonid
Date: 06:57:56 10/22/03
Go up one level in this thread
On October 22, 2003 at 08:35:16, Vincent Lejeune wrote: >On October 22, 2003 at 07:31:35, leonid wrote: > >>Hi, >> >>Try to sove this mate that is very conventional: >> >>[D] 2R1r1qk/1P2nPp1/r1PBNb1p/1p2Q3/3pb2N/2pn3B/6PP/5RK1 w - - >> >>Please indicate Your result. > >CM 9000 SKR+ SS=16 ; Barton 2800+ > >Time Depth Score Positions Moves >0:00 1/4 20.12 9661 1.fxg8=Q+ Nxg8 2.Qxe4 Bxh4 3.Qxh4 > Rb6 4.Rxe8 >0:00 1/5 Mate08 98653 1.fxg8=Q+ Rxg8 2.Rxg8+ Nxg8 3.Qxe4 > Nf4 4.Nxf4 g6 5.Nhxg6+ Kg7 6.Ne6+ > Kh7 7.Ngf8+ Kh8 8.Qh7# >0:00 1/6 Mate08 162214 1.fxg8=Q+ Rxg8 2.Rxg8+ Nxg8 3.Qxe4 > Nf4 4.Nxf4 g6 5.Nhxg6+ Kg7 6.Ne6+ > Kh7 7.Ngf8+ Kh8 8.Qh7# >0:01 1/7 Mate08 352103 1.fxg8=Q+ Rxg8 2.Rxg8+ Nxg8 3.Qxe4 > Nf4 4.Nxf4 g6 5.Nhxg6+ Kg7 6.Ne6+ > Kh7 7.Ngf8+ Kh8 8.Qh7# >0:02 1/7 Mate07 580174 1.fxe8=Q Nxe5 2.Bxe7 Bh7 3.Bxf6 > Nf3+ 4.gxf3 Qxe8 5.Rxe8+ Bg8 6.Bxg7+ > Kh7 7.Bf5# >0:03 1/8 Mate07 769914 1.fxe8=Q Nxe5 2.Bxe7 Bh7 3.Bxf6 > Nf3+ 4.gxf3 Qxe8 5.Rxe8+ Bg8 6.Bxg7+ > Kh7 7.Bf5# >0:05 1/9 Mate07 1606639 1.fxe8=Q Nxe5 2.Bxe7 Bh7 3.Bxf6 > Nf3+ 4.gxf3 Qxe8 5.Rxe8+ Bg8 6.Bxg7+ > Kh7 7.Bf5# >0:13 1/10 Mate07 3801801 1.fxe8=Q Nxe5 2.Bxe7 Bh7 3.Bxf6 > Nf3+ 4.gxf3 Qxe8 5.Rxe8+ Bg8 6.Bxg7+ > Kh7 7.Bf5# Above position is for sure mate in 7, since mine went on it 6 moves by brute force. >>Actually, initially my intention was to put "solid state" mate. But thinking >>that some people will find it scary, I dropped it. It is still possible that >>Your program will happily accept it and solve in no time. >> >>[D] QnKn4/PPbQ4/rNqN4/kqnR4/rqqP4/BPqQ4/BRbN4/qQqq4 w - - >> >>Leonid. > >Time Depth Score Positions Moves >0:00 1/3 -6.84 69537 1.Nbxc4+ Q5xc4 2.N6xc4+ Qbxc4 3.b4+ > Rxb4 4.Nxc4+ Qxc4 5.Bxc4 Qxd7+ > 6.Rxd7 Bxd3 7.Rxb4 >0:01 1/4 -9.81 325565 1.Nbxc4+ Q4xc4 2.b4+ Rxb4 3.N2xc4+ > Ka4 4.Nxb5 Bd6+ 5.Qc7 Qg4+ 6.Rf5 > Qxf5+ 7.Qxf5 Bxf5+ 8.Qxf5 Bxc7 > 9.Nxc3+ Qxc3 >0:02 1/4 -6.33 558543 1.N2xc4+ Q5xc4 2.Nbxc4+ Qbxc4 3.b4+ > Rxb4 4.Nxc4+ Qxc4 5.Bxc4 Bxd3 6.axb8=Q > Qxd7+ 7.Rxd7 Qaxb1 8.Bxb4+ Ka4 >0:09 1/5 -5.93 2090811 1.N2xc4+ Q5xc4 2.Nbxc4+ Qbxc4 3.b4+ > Rxb4 4.Nxc4+ Qxc4 5.axb8=Q Qxd7+ > 6.Rxd7 Qcxd3 7.Qxa1 Qxa1 8.Bxb4+ > Ka4 9.Qxc7 Qxb2 >0:22 1/6 Mate11 5140494 1.N2xc4+ Q5xc4 2.Nbxc4+ Qbxc4 3.b4+ > Rxb4 4.Nxc4+ Qxc4 5.Bxb4+ Qxb4 > 6.Qb5+ Qcxb5 7.Qxb5+ Kxb5 8.Rxb4+ > Kc6 9.axb8=N+ Bxb8 10.Qxa6+ Nxa6 > 11.Rb6# >0:29 1/7 Mate11 6740203 1.N2xc4+ Q5xc4 2.Nbxc4+ Qbxc4 3.b4+ > Rxb4 4.Nxc4+ Qxc4 5.Bxb4+ Qxb4 > 6.Qb5+ Qcxb5 7.Qxb5+ Kxb5 8.Rxb4+ > Kc6 9.axb8=N+ Bxb8 10.Qxa6+ Nxa6 > 11.Rb6# >0:53 1/8 Mate11 12508177 1.N2xc4+ Q5xc4 2.Nbxc4+ Qbxc4 3.b4+ > Rxb4 4.Nxc4+ Qxc4 5.Bxb4+ Qxb4 > 6.Qb5+ Qcxb5 7.Qxb5+ Kxb5 8.Rxb4+ > Kc6 9.axb8=N+ Bxb8 10.Qxa6+ Nxa6 > 11.Rb6# >2:03 1/9 Mate11 29681191 1.N2xc4+ Q5xc4 2.Nbxc4+ Qbxc4 3.b4+ > Rxb4 4.Nxc4+ Qxc4 5.Bxb4+ Qxb4 > 6.Qb5+ Qcxb5 7.Qxb5+ Kxb5 8.Rxb4+ > Kc6 9.axb8=N+ Bxb8 10.Qxa6+ Nxa6 > 11.Rb6# >5:40 1/10 Mate11 84077125 1.N2xc4+ Q5xc4 2.Nbxc4+ Qbxc4 3.b4+ > Rxb4 4.Nxc4+ Qxc4 5.Bxb4+ Qxb4 > 6.Qb5+ Qcxb5 7.Qxb5+ Kxb5 8.Rxb4+ > Kc6 9.axb8=N+ Bxb8 10.Qxa6+ Nxa6 > 11.Rb6# Your result confirm that last position is, probably, mate in 11. Mine solved it in 11 by selective and went by brute force only 9 moves deep. Still ten moves are not verified. Leonid.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.