d5 move of white W Schlage vs E Post, 1922 (D46) Queen's Gambit Declined Semi-Slav, 44 moves, 1/2-1/2 sicilian smith morra gambit 4... e6 Chandler vs Timman, 1982  (B21) Sicilian, 2.f4 and 2.d4, 41 moves, 0-1 2 games