S Prudnikova vs A Stefanova, 1995 (D10) Queen's Gambit Declined Slav, 51 moves, 1/2-1/2 J Szekely vs Breyer, 1913  (D10) Queen's Gambit Declined Slav, 26 moves, 0-1 J Mieses vs Breyer, 1913  (D10) Queen's Gambit Declined Slav, 25 moves, 0-1 3 games