J L Hammer vs Nakamura, 2013  (D31) Queen's Gambit Declined, 33 moves, 0-1 Slav Botvinnik vs S Belavenets, 1934  (D49) Queen's Gambit Declined Semi-Slav, Meran, 25 moves, 1-0 A Ramirez Alvarez vs A Shetty, 2013  (D15) Queen's Gambit Declined Slav, 37 moves, 1-0 A Ramirez Alvarez vs V Laznicka, 2013 (D15) Queen's Gambit Declined Slav, 50 moves, 0-1 4 games