H K Mattison's great win over Alekhine H Mattison vs Alekhine, 1931  (C46) Three Knights, 42 moves, 1-0 Mattison on fire: beating Rubinstein H Mattison vs Rubinstein, 1931  (C29) Vienna Gambit, 52 moves, 1-0 Find 30. ... Rxf5!! and beat Alekhine Alekhine vs S Erdelyi, 1931  (B40) Sicilian, 42 moves, 1-0 Last Rubinstein's win gave Poland pretty chances for a title Kashdan vs Rubinstein, 1931  (D61) Queen's Gambit Declined, Orthodox, Rubinstein Attack, 34 moves, 0-1 Rubinstein's complex winning strategy Rubinstein vs Bogoljubov, 1931  (D10) Queen's Gambit Declined Slav, 49 moves, 1-0 Mating Attack Sultan Khan vs H Mattison, 1931  (A46) Queen's Pawn Game, 22 moves, 1-0 Winning strategy Sultan Khan vs Flohr, 1931  (E90) King's Indian, 31 moves, 1-0 Tactical attack J Rejfir vs Noteboom, 1931  (D47) Queen's Gambit Declined Semi-Slav, 37 moves, 1-0 16.Rxd7! K Richter vs A Vajda, 1931  (C13) French, 26 moves, 1-0 9 games