Gruenfeld pins the queen (begin at move 23) H Wolf vs Gruenfeld, 1922  (B03) Alekhine's Defense, 50 moves, 0-1 36... black to move. Find the Skewer or pin Carlsen vs I Cheparinov, 2005  (A46) Queen's Pawn Game, 41 moves, 0-1 36. ? White to move. Set up for a fork & double check Tseitlin vs E Dizdarevic, 1999  (B13) Caro-Kann, Exchange, 37 moves, 1-0 Pin as offense and counter pin as defense 35...? V Makogonov vs V Chekhover, 1937  (E32) Nimzo-Indian, Classical, 37 moves, 0-1 28. ? Remove the defender to win material Svidler vs Kramnik, 2005  (C42) Petrov Defense, 48 moves, 1-0 37... ? Black finds a pin Kotov vs Botvinnik, 1939  (E33) Nimzo-Indian, Classical, 38 moves, 0-1 27. ? White to find a winning pin Pachman vs G Gunnarsson, 1967  (A16) English, 27 moves, 1-0 35. ...? Exploit the overworked piece A Farahat vs Aronian, 2005  (C67) Ruy Lopez, 51 moves, 0-1 34...? black to gain material with the threat of a skewer R Adamson vs J Becerra Rivero, 2004  (B67) Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7, 34 moves, 0-1 19. ? Remove the defender Krasenkow vs Sveshnikov, 1992  (D45) Queen's Gambit Declined Semi-Slav, 23 moves, 1-0 60...? set up the fork for a won endgame T H Tylor vs Sultan Khan, 1933  (C46) Three Knights, 60 moves, 0-1 A creative way to remove the defender Chigorin vs Pillsbury, 1895  (C49) Four Knights, 26 moves, 0-1 29. ... ? Remove the Defender Bickenbach vs Keres, 1943 (C46) Three Knights, 30 moves, 0-1 29. ... ? Double Attack / Revealed Attack J Robertson vs Blackburne, 1867  (C27) Vienna Game, 29 moves, 0-1 14 games