Polugaevsky vs Yudasin, 1993 (D31) Queen's Gambit Declined, 14 moves, 1/2-1/2 Euwe vs Tartakower, 1920 (D51) Queen's Gambit Declined, 36 moves, 1/2-1/2 W J Muhring vs G A Thomas, 1946  (D50) Queen's Gambit Declined, 30 moves, 1-0 Marshall vs Capablanca, 1909  (D50) Queen's Gambit Declined, 36 moves, 1/2-1/2 Smejkal vs B Malich, 1972 (D67) Queen's Gambit Declined, Orthodox Defense, Bd3 line, 30 moves, 1/2-1/2 Marshall vs H E Atkins, 1902  (D50) Queen's Gambit Declined, 36 moves, 0-1 K Treybal vs M Feigin, 1930 (D30) Queen's Gambit Declined, 49 moves, 0-1 Speelman vs Andersson, 1984 (D37) Queen's Gambit Declined, 50 moves, 1/2-1/2 8 games