問題 69023:
問題 69023:
Simon Alapin - Mikhail Chigorin
Monte Carlo+ Monte Carlo (6), 1901 Simon Alapin - Mikhail Chigorin
Monte Carlo+ Monte Carlo (6), 1901
Monte Carlo+ Monte Carlo (6), 1901 Simon Alapin - Mikhail Chigorin
Monte Carlo+ Monte Carlo (6), 1901