[Retros] Christmas puzzle Tim Krabbe

[Joost de Heer]

Joost de Heer schreef:

> http://www.xs4all.nl/~timkr/chess2/diary.htm

> 

> 369. 24 December 2007: Christmas puzzle from Kuwait

> 

> Bader al-Hajiri, the Wizard from Kuwait, proposes this Christmas puzzle.

> 

> 8/8/8/8/8/3P2P1/PPPRPP1P/kSBQSR (16+1)

> +---+---+---+---+---+---+---+---+

> |   | . |   | . |   | . |   | . |

> +---+---+---+---+---+---+---+---+

> | . |   | . |   | . |   | . |   |

> +---+---+---+---+---+---+---+---+

> |   | . |   | . |   | . |   | . |

> +---+---+---+---+---+---+---+---+

> | . |   | . |   | . |   | . |   |

> +---+---+---+---+---+---+---+---+

> |   | . |   | . |   | . |   | . |

> +---+---+---+---+---+---+---+---+

> | . |   | . | P | . |   | P |   |

> +---+---+---+---+---+---+---+---+

> | P | P | P | R | P | P |   | P |

> +---+---+---+---+---+---+---+---+

> |*K | S | B | Q | K | B | S | R |

> +---+---+---+---+---+---+---+---+

> Proof game?

> Bader al-Hajiri

> Original, 2007

> 

> The position is legal, so a proof game can be constructed.

> 

> I'm offering a little prize for the shortest one, or a few prizes if 

> more really good solutions come in at timkr, address xs4all.nl, before 

> or on 4 January.


The result of this competition is posted on Tim Krabbé's website, see 
the URL at the beginning.

On this page also a new consecutive check record by Unto Heinonen: 49 
consecutive checks in a position with promoted pieces.

Joost