Puzzle 8540:
Puzzle 8540:
V. Onoprienko (2295) - S. Kostin (2210)
Russian Cup 8th Leg Smolensk RUS (5), 1997.06.18 Onoprienko - Kostin, Smolensk 1997
Russian Cup 8th Leg Smolensk RUS (5), 1997.06.18 Onoprienko - Kostin, Smolensk 1997