[Retros] Add pieces

[Kevin Begley]

What about problems with two solutions?
For example:

fen: b7/8/2K5/8/8/2k5/8/B7
add a unit?   2 solutions

Best,
Kevin


On Sat, Mar 12, 2011 at 2:00 AM, Thierry LE GLEUHER
<t.legleuher at hotmail.fr>wrote:


>  Dear retro friends

>

> There is my contribution to the table

>

> Thierry LE GLEUHER

> B5bn/5PrR/5prN/6pk/7p/5P2/PPPPPP2/KR1Q2N1

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

> | B | . |   | . |   | . |*B |*N |

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

> | . |   | . |   | . | P |*R | R |

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

> |   | . |   | . |   |*P |*R | N |

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

> | . |   | . |   | . |   |*P |*K |

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

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

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

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

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

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

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

> | K | R | . | Q | . |   | N |   |

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

> (15+8)

> Add pieces ?

>

> solution :

> +bPs a3, b3, c3, d3 and e3

>

> retro : 1.Nh3-g1 a4-a3 2.Qh1-d1 a5-a4 3.Rg1-b1 a6-a5 4.Bb7-a8 a7-a6

> 5.Bc8-b7 b4-b3 6.Kb1-a1 b5-b4 7.Kc1-b1 b6-b5 8.Kd1-c1 c4-c3 9.Ke1-d1 c5-c4

> 10.Kf1-e1 c6-c5 11.Kg2-f1 c7-c6 12.Ra1-g1 d4-d3 13.Qd1-h1 d5-d4 14.Kf1-g2

> d6-d5 15.Ke1-f1 e4-e3 16.Ng1-h3 e5-e4 17.Bh3-c8 d7-d6 18.Bf1-h3 e6-e5

> 19.g2×Qf3

> The bPe can't retract until e7 !

>

> Thierry

>

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