Unpinning and selfpinning with three pin-mates 1.Ra6 Threat 2.Ra5+ and 3.Qa6# 1...Qd4 [ 1...Qc4 2.e8N+ Kb5 3.Nxc7# ] 2.e8Q+ Qd6 [ 2...Kd5 3.Qee4# ] 3.Qee3# *
This problem is a very impressive mixture of cross checks, pins and unpinning moves. 1.Qe2 Rxd4+ [ 1...Bxd5+ 2.Kf4+ Be4 3.d5# ] 2.Kf3+ Re4 [ 2...Kxd5 3.Qa2# ] 3.Nf4# *
1.Qa3 Threat 2.Qf3# [ 1.Qa5? Threat 2.Qf5# 1...Bc5! ( 1...Ke4? 2.Qe5# ; 1...Kg4? 2.Be6# ; 1...Bxh4? 2.Be2# ) ] 1...Ke4 [ 1...Kg4 2.Be2# ; 1...Bxh4 2.Be6# ; 1...Bxb4 2.Qf3# ] 2.Qe3# *
1...Ng6 2.f8Q Ne5 3.d8N# *
1.f8R Nf7 2.d8B Nd6# *
Generated with ChessBase 8.0