Author: Manfred Rosenboom
Date: 12:56:31 10/22/03
Go up one level in this thread
On October 22, 2003 at 15:50:50, Darren Rushton wrote: [D] Bq1B1K2/3PpN2/P3Pp2/P1p2P2/2Pk1b1R/1p6/pN1P1P2/QR6 w - - 0 1 > >'If I could take one diagram to a desert island, it would be this one.' > >Leonid Yarosh - Mate in 4 >1st Prize Shakhmatyi v SSSR 1983 > >Here are the main variations of the solution recapitulated: > >1.a7! >1...axb1=Q 2.axb8=Q Qxb2(!) 3.Qxb3 Qc3 4.Qxc3 mate > Qe4(!) 3.Qxf4 Qxf4 4.Rxf4 mate >1...axb1=R(!) 2.axb8=R! Rxb2(!)3.Rxb3 Kxc4 4.Qa4 mate > 2.axb8=Q? Rxb2! 3.Qxb3 stalemate >1...axb1=B(!) 2.axb8=B! Be4(!) 3.Bxf4 B- 4.Be3(5) mate > 2.axb8=Q? Be4! 3.Qxf4 stalemate >1...axb1=N(!) 2.axb8=N! Nxd2(!) 3.Qc1! Ne4 4.Nc6 mate > 2.axb8=Q? Nxd2! 3.Qxf4+ Kc3 4.?? > 3.Rxf4+ Ne4 4.?? > 3.Qc1 Ne4 4.?? > >What do Fritz and friends make of this one? > >Regards, > >Daz Yace Paderborn UCI 146 MB (AMD 1.8 GHz): D1 00:00 22.06 Rh4xf4 Qb8xf4 D1 00:00 24.14 Rb1e1 D2+ 00:00 25.98 Rb1e1 Qb8b4 Rh4xf4 D2+ 00:00 27.43 Rb1e1 Qb8a7 Rh4xf4 D2 00:00 30.42 Rb1e1 Qb8xd8 Nf7xd8 D3- 00:00 30.02 Rb1e1 Qb8xd8 Kf8g7 D3- 00:00 26.53 Rb1e1 D3- 00:00 21.53 Rb1e1 Qb8xd8 Kf8g7 D3 00:00 0.00 Rb1e1 Qb8xd8 Kf8g7 Qd8g8 Kg7xg8 D3+ 00:00 0.01 Rh4xf4 Qb8xf4 a6a7 a2xb1Q D3 00:00 28.33 Rh4xf4 Qb8xf4 Bd8xe7 Qf4b8 d7d8Q Qb8xd8 Be7xd8 D4+ 00:00 28.79 Rh4xf4 Qb8xf4 Bd8xe7 Qf4g3 f2xg3 a2xb1R d7d8Q D4+ 00:00 30.00 Rh4xf4 Qb8xf4 Bd8xe7 Qf4e4 Ba8xe4 Kd4xe4 D4+ 00:00 35.27 Rh4xf4 Qb8xf4 Bd8xe7 Qf4c7 Be7xf6 Qc7e5 Nf7xe5 D4 00:00 M5 Rh4xf4 Qb8xf4 Bd8xe7 Qf4b8 d7d8Q Qb8xd8 Be7xd8 a2xb1Q Bd8xf6 D5 00:00 M5 Rh4xf4 Qb8xf4 Bd8xe7 Qf4b8 d7d8Q Qb8xd8 Be7xd8 a2xb1Q Bd8xf6 D6 00:00 M5 Rh4xf4 Qb8xf4 Bd8xe7 Qf4b8 d7d8Q Qb8xd8 Be7xd8 a2xb1Q Bd8xf6 D7 00:00 M5 Rh4xf4 Qb8xf4 Bd8xe7 Qf4b8 d7d8Q Qb8xd8 Be7xd8 a2xb1Q Bd8xf6 D7 00:00 M4 a6a7 a2xb1Q a7xb8Q Qb1xb2 Qb8xb3 Qb2xa1 Rh4xf4 D8 00:00 M4 a6a7 a2xb1Q a7xb8Q Qb1xb2 Qb8xb3 Qb2xa1 Rh4xf4 D9 00:00 M4 a6a7 a2xb1Q a7xb8Q Qb1xb2 Qb8xb3 Qb2xa1 Rh4xf4 D10 00:00 M4 a6a7 a2xb1Q a7xb8Q Qb1xb2 Qb8xb3 Qb2xa1 Rh4xf4 D11 00:01 M4 a6a7 a2xb1Q a7xb8Q Qb1xb2 Qb8xb3 Qb2xa1 Rh4xf4
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