Round 1 Pachman vs Tal, 1963  (E82) King's Indian, Samisch, double Fianchetto Variation, 40 moves, 1/2-1/2 Round 2 Tal vs E Jimenez Zerquera, 1963  (C45) Scotch Game, 49 moves, 1-0 Round 3 Barcza vs Tal, 1963  (A07) King's Indian Attack, 45 moves, 0-1 Round 4 O'Kelly vs Tal, 1963 (B48) Sicilian, Taimanov Variation, 44 moves, 1/2-1/2 Round 5 Tal vs F J Perez, 1963 (B43) Sicilian, Kan, 5.Nc3, 30 moves, 1-0 Round 6 B De Greiff vs Tal, 1963  (E91) King's Indian, 51 moves, 0-1 Round 7 Tal vs P Trifunovic, 1963  (C32) King's Gambit Declined, Falkbeer Counter Gambit, 26 moves, 0-1 Round 8 Korchnoi vs Tal, 1963 (D47) Queen's Gambit Declined Semi-Slav, 38 moves, 1/2-1/2 Round 9 Tal vs Robatsch, 1963  (C94) Ruy Lopez, Closed, Breyer Defense, 41 moves, 1-0 Round 10 Ivkov vs Tal, 1963  (E66) King's Indian, Fianchetto, Yugoslav Panno, 42 moves, 1-0 Round 11 Tal vs R G Wade, 1963  (B47) Sicilian, Taimanov (Bastrikov) Variation, 36 moves, 1-0 Round 12 Geller vs Tal, 1963  (C84) Ruy Lopez, Closed, 87 moves, 0-1 Round 13 Tal vs Letelier, 1963  (C75) Ruy Lopez, Modern Steinitz Defense, 28 moves, 1-0 Round 14 I Calero vs Tal, 1963  (A64) Benoni, Fianchetto, 11...Re8, 72 moves, 1-0 Round 15 Tal vs Uhlmann, 1963  (A00) Uncommon Opening, 53 moves, 1-0 Round 16 G Garcia vs Tal, 1963  (A61) Benoni, 41 moves, 0-1 Round 17 Tal vs Bobotsov, 1963  (B94) Sicilian, Najdorf, 42 moves, 1-0 Round 18 E Cobo Arteaga vs Tal, 1963 (E60) King's Indian Defense, 39 moves, 1/2-1/2 Round 19 Tal vs K Darga, 1963  (C43) Petrov, Modern Attack, 48 moves, 1-0 Round 20 R Ortega vs Tal, 1963  (B56) Sicilian, 23 moves, 0-1 Round 21 Tal vs J Broderman, 1963  (B15) Caro-Kann, 21 moves, 1-0 21 games