[Retros] Xmas retro thingy

[Francois Labelle]

Cooked according to my computer: there are 2 diagrams with 29 pieces, 
and no diagram with fewer pieces.

     Francois

On 12/16/2012 07:57 AM, Eric Angelini wrote:

> Hello RetroFans,

> here is a little retro I've just

> composed for your Xmas -- hope

> it's not cooked (or old hat)!

> Best,

> É.

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

> |   | n |   | |   |   |   |   |

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

> | p | p | p | p | p | p | p | p |

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

> |   | |   |   |   |   |   |   |

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

> | |   |   |   |   |   |   |   |

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

> | |   |   |   |   |   |   |   |

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

> |   |   |   |   |   |   | N | |

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

> | P | P | P | P | P | P | P | P |

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

> |   |   |   | |   |   |   |   |

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

> White has just played 7: 0-0

> Add to the diagram the least number

> of pieces to make it legal.

>

>

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