GAME 1 - Control of open file & better development. Alekhine vs Yates, 1922   (D63) Queen's Gambit Declined, Orthodox Defense, 38 moves, 1-0 GAME 2 - Black's command of the center! Chigorin vs Zukertort, 1883  (C67) Ruy Lopez, 29 moves, 0-1 GAME 3 - QGD - All pawn moves loosen a position. Tarrasch vs Von Scheve, 1894   (D37) Queen's Gambit Declined, 30 moves, 1-0 GAME 4 - WHT capitalizes on the space advantage Tarrasch vs Schlechter, 1894  (C66) Ruy Lopez, 40 moves, 1-0 GAME 5 - Space & development trump material adv. F Batik vs E Dyckhoff, 1930  (D34) Queen's Gambit Declined, Tarrasch, 29 moves, 0-1 GAME 6 - BLK - Center control - superior endgame Breyer vs Tarrasch, 1920  (D05) Queen's Pawn Game, 46 moves, 0-1 GAME 7 - Loosened pawns and Bishops in endgame! Tarrasch vs Pillsbury, 1898  (C67) Ruy Lopez, 41 moves, 1-0 GAME 8 - Moving the King pawns fatal for White Alekhine vs Yates, 1923  (E62) King's Indian, Fianchetto, 50 moves, 0-1 GAME 9 - White develops the Queen first. L Steiner vs Flohr, 1933  (B10) Caro-Kann, 53 moves, 0-1 GAME 10 - *Euwe develops the first piece on move 6 - BEST GAME H Kleefstra vs Euwe, 1933  (A09) Reti Opening, 29 moves, 0-1 GAME 11 - Excellent K-side attack by Black results im mate Spielmann vs P Johner, 1908  (C28) Vienna Game, 30 moves, 0-1 GAME 12 - Black exploits weakening of K-pawns again. Spielmann vs Tarrasch, 1912  (C80) Ruy Lopez, Open, 41 moves, 0-1 Vachier-Lagrave vs Mamedyarov, 2019  (C53) Giuoco Piano, 24 moves, 1/2-1/2 13 games