The idea of change of the defence in a logical combination. A good defense of a piece is prevented or replaced with a bad defense of another piece.
Keller, Michael
2 WCCT, 1981-83
1st place
FIDE Album 1983-85
mate in 3 moves
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Blog about chess problems
The idea of change of the defence in a logical combination. A good defense of a piece is prevented or replaced with a bad defense of another piece.
Keller, Michael
2 WCCT, 1981-83
1st place
FIDE Album 1983-85
mate in 3 moves