From Problem Chess Art
Here are the problems once again – with the diagram engines switched on (fan button):
Solutions
No.20: 1.Bg8! c2 2.Rf7 Ka2 3.Ra7#
No.21: The basic attack 1.Ne3? [threat: 2.Nf5#,Rg4#] is refuted by 1…Bd7! as well as 1.Ne7? [threat: 2.Nf5#, Ng6#] by 1…Bc2! So: 1.Rg2! [2.Ng6+ Kh5/Kh3 3.Ndf4#] 1…Bc2 2.Ne3 Bf5 3.N×f5# as well as 1…Be8 2.Ne7 Bg6 3.Ne×g6#.
No.4: 1.Qc6! 1… a6 2.Rxa6#; 1…a5 2.Ra6#; 1…a7xb6 2.Qa4#; 1…b7xc6 2.Rb8#; 1…c7xb6 2.Qxc8#; 1…Bxd7 2.Qxb7#.
No.27: 1.Kb2! a1Q+ 2.Rxa1 h1Q 3.Qxh1#
No.31: 1.Ra2! b3xa2 2.Bxa2 Kxg6 3.Bb1#
No.38: 1.Rg6! Kh7 2.Rg5 Kh6 3.Rg4 Kh5 4.Kg3#
No.52: 1.Qd5+! Kg1 2.Qh1+ Kxh1 3.Kf2 N any 4.Ng3#
No.46: 1.Bh4! Rd1 2.Bg3 Rc1 3.Bf4 Rc2 4.Bg5 Rc8 5.Bd2+ Rc3 6.Bxc3# or 4…B any 5.Bd8+ Rc7 6.Bxc7#
Here is a link to Werner Keym’s eBook Chess Problem Art
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