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Chess Problem 1997h1a101

BDSPeter Fayers & BDS

The Problemist Supplement, 1997

8/1B6/8/b7/2s5/8/3S4/k6K

H#3
Circé Exchange

1.Bxd2[+wSa5] Sxc4[+bSa5] 2.Sxb7[+wBa5] Sxd2[+bBc4] 3.Ba2 Bc3#

Before a mate can be constructed, both bishops have to change their square-colours.


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