Puzzle 109637:
Puzzle 109637:
Efim Geller (2490) - Alexander G Beliavsky (2585)
Sochi Chigorin Memorial Sochi (15), 1986 Geller - Beliavsky, Sochi 1986
Sochi Chigorin Memorial Sochi (15), 1986 Geller - Beliavsky, Sochi 1986