Problème
N°23
1.Db8? (2.Df8/e8/d6+/e5+), 1…Cc7!
1.Dg3? (2.Dd6+/e5+/ g6+/g7/e1+), 1…Rd7!
1.Db7? (2.Dc6+/d5+/e4+/g7/Fg4+), 1…Rf5!
1.Df3! (2.Df8/e2+/e4+/d5+/c6+)
1…Cc7 2.Dc6+ Rf5 3.Dg6#, 2…Re7 3.Dd6#
1…Rd7 2.Dc6+ Rxc6 3.Fe8#, 2…Rd8 3.De8#, 2…Re7 3.Dd6#
1…Re7 2.Df8+ Rxf8 3.Fd6#, 2…Rd7 3.De8#, 2…Re6 3.Fg4#