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Subject: The Babson Task

Author: Darren Rushton

Date: 12:50:50 10/22/03

[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

Re: The Babson Task Angrim 11:05:31 10/23/03
... and the source is ... GuyHaworth 15:16:59 10/22/03
Re: The Babson Task Vincent Lejeune 15:01:20 10/22/03
Babson Task: some more stuff Olaf Jenkner 14:49:42 10/22/03
Re: The Babson Task Kelly Fergason 13:05:35 10/22/03
- Re: The Babson Task Uri Blass 16:24:57 10/22/03
Re: The Babson Task Manfred Rosenboom 12:56:31 10/22/03

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