Puzzle 22021:
Puzzle 22021:
Alexei Shirov (2706) - Veselin Topalov (2733)
FIDE WCh KO Moscow RUS, 2001.12.05 Shirov - Topalov, Moscow 2001
FIDE WCh KO Moscow RUS, 2001.12.05 Shirov - Topalov, Moscow 2001
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