N Pavlov-Pianov vs Ilyin-Zhenevsky, 1920 (D43) Queen's Gambit Declined Semi-Slav, 46 moves, 1/2-1/2 F Duz-Khotimirsky vs A Kubbel, 1923 (A45) Queen's Pawn Game, 28 moves, 1/2-1/2 Levenfish vs F Bohatirchuk, 1923 (D02) Queen's Pawn Game, 55 moves, 1/2-1/2 Bogoljubov vs V Sozin, 1924  (C33) King's Gambit Accepted, 62 moves, 1/2-1/2 Levenfish vs N Zubarev, 1925  (E11) Bogo-Indian Defense, 46 moves, 1/2-1/2 S von Freymann vs F Bohatirchuk, 1927 (E11) Bogo-Indian Defense, 36 moves, 1/2-1/2 N Pavlov-Pianov vs A Polyak, 1929 (D27) Queen's Gambit Accepted, Classical, 40 moves, 1/2-1/2 A Budo vs I Kan, 1931 (E11) Bogo-Indian Defense, 48 moves, 1/2-1/2 Alatortsev vs B Verlinsky, 1931 (D31) Queen's Gambit Declined, 57 moves, 1/2-1/2 Savon vs A Novopashin, 1962 (D27) Queen's Gambit Accepted, Classical, 105 moves, 1/2-1/2 10 games