Author: Uri Blass
Date: 16:24:57 10/22/03
Go up one level in this thread
On October 22, 2003 at 16:05:35, Kelly Fergason wrote: >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 > > > > >New game >Bq1B1K2/3PpN2/P3Pp2/P1p2P2/2Pk1b1R/1p6/pN1P1P2/QR6 w - - 0 1 > >Analysis by Junior 8: > >1.Qxa2 bxa2 2.Re1 Bxd2 > +- (16.23) Depth: 3 00:00:00 >1.Rbh1 Qb4 2.Rxf4# > +- (26.91) Depth: 3 00:00:00 >1.Nd1+ Kd3 2.Qc3+ Ke2 3.Bf3+ Kf1 4.Rxb3 > +- (27.06) Depth: 3 00:00:00 2kN >1.Nd1+! > +- (27.36) Depth: 6 00:00:00 9kN >1.Nd1+ Kxc4 2.Qc3+ Kb5 3.Qxb3+ Kxa6 4.Bb7+ Qxb7 5.Qxb7# > +- (#5) Depth: 6 00:00:00 96kN >1.Re1 Qe5 2.Nxe5 fxe5 3.Re4# > +- (#3) Depth: 6 00:00:00 106kN >1.Re1 Qe5 2.Nxe5 fxe5 3.Re4# > +- (#3) Depth: 6 00:00:00 109kN > >(Fergason, 1.5Ghz, 512Mb, 192Mb hash, 22.10.2003) Re1 Qxd8+ with draw by stalemate. Uri
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