Repetition in different variations of an identical mate (or stalemate) pattern, but shifted, reflected or rotated on a chessboard. The term may have a broader meaning including an identical maneuver, idea, combination, etc.
Chameleon echo – an echo in which a mated king stands on the square of the opposite color.
Tura, Waldemar
E. Iwanow-75
Rozmaitosci Szachowe 2008
1st-2nd Prize
helpmate in 3 moves
b) Nf8->g5
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