Puzzle 227318:
Puzzle 227318:
V. Berlinsky (2347) - Sergei Tiviakov (2617)
36th Olympiad Calvia ESP (1), 2004.10.16 Berlinsky - Tiviakov, Calvia 2004
36th Olympiad Calvia ESP (1), 2004.10.16 Berlinsky - Tiviakov, Calvia 2004