round one E Gereben vs K Langeweg, 1963 (A43) Old Benoni, 54 moves, 0-1 A Matanovic vs O'Kelly, 1963 (B47) Sicilian, Taimanov (Bastrikov) Variation, 41 moves, 1-0 Parma vs B Milic, 1963 (C93) Ruy Lopez, Closed, Smyslov Defense, 52 moves, 1-0 Pilnik vs Pirc, 1963 (B30) Sicilian, 35 moves, 1-0 Robatsch vs Bronstein, 1963  (B06) Robatsch, 41 moves, 1/2-1/2 Stahlberg vs Averbakh, 1963  (A04) Reti Opening, 25 moves, 1-0 P Trifunovic vs Ivkov, 1963 (C64) Ruy Lopez, Classical, 31 moves, 1/2-1/2 T van Scheltinga vs J H Donner, 1963 (A04) Reti Opening, 29 moves, 1/2-1/2 C van den Berg vs H L Tan, 1963 (B43) Sicilian, Kan, 5.Nc3, 23 moves, 1-0 round two Averbakh vs Parma, 1963 (A00) Uncommon Opening, 28 moves, 1/2-1/2 Bronstein vs T van Scheltinga, 1963 (C97) Ruy Lopez, Closed, Chigorin, 28 moves, 1-0 J H Donner vs A Matanovic, 1963 (E27) Nimzo-Indian, Samisch Variation, 44 moves, 1-0 Ivkov vs E Gereben, 1963 (C84) Ruy Lopez, Closed, 72 moves, 1-0 K Langeweg vs Stahlberg, 1963 (A10) English, 17 moves, 0-1 O'Kelly vs Pilnik, 1963 (E84) King's Indian, Samisch, Panno Main line, 57 moves, 1-0 Pirc vs P Trifunovic, 1963 (A04) Reti Opening, 16 moves, 1/2-1/2 H L Tan vs B Milic, 1963 (A76) Benoni, Classical, 9...Re8, 51 moves, 1-0 C van den Berg vs Robatsch, 1963 (A61) Benoni, 41 moves, 1/2-1/2 round three E Gereben vs Pirc, 1963 (A41) Queen's Pawn Game (with ...d6), 49 moves, 1/2-1/2 A Matanovic vs Bronstein, 1963 (B97) Sicilian, Najdorf, 36 moves, 1/2-1/2 B Milic vs Averbakh, 1963 (B07) Pirc, 60 moves, 0-1 Parma vs K Langeweg, 1963 (B46) Sicilian, Taimanov Variation, 41 moves, 1-0 Pilnik vs J H Donner, 1963 (A57) Benko Gambit, 72 moves, 0-1 Robatsch vs H L Tan, 1963 (C73) Ruy Lopez, Modern Steinitz Defense, 66 moves, 0-1 Stahlberg vs Ivkov, 1963 (A49) King's Indian, Fianchetto without c4, 47 moves, 1/2-1/2 P Trifunovic vs O'Kelly, 1963 (E15) Queen's Indian, 41 moves, 1/2-1/2 T van Scheltinga vs C van den Berg, 1963 (A04) Reti Opening, 40 moves, 0-1 round four Bronstein vs Pilnik, 1963  (E71) King's Indian, Makagonov System (5.h3), 75 moves, 0-1 J H Donner vs P Trifunovic, 1963 (D43) Queen's Gambit Declined Semi-Slav, 23 moves, 1/2-1/2 Ivkov vs Parma, 1963 (E27) Nimzo-Indian, Samisch Variation, 15 moves, 1/2-1/2 K Langeweg vs B Milic, 1963 (A10) English, 34 moves, 0-1 O'Kelly vs E Gereben, 1963 (E87) King's Indian, Samisch, Orthodox, 46 moves, 1-0 Pirc vs Stahlberg, 1963 (A38) English, Symmetrical, 35 moves, 1/2-1/2 Robatsch vs T van Scheltinga, 1963  (B27) Sicilian, 32 moves, 1-0 H L Tan vs Averbakh, 1963  (E11) Bogo-Indian Defense, 56 moves, 1-0 C van den Berg vs A Matanovic, 1963 (B92) Sicilian, Najdorf, Opocensky Variation, 37 moves, 0-1 round five Averbakh vs K Langeweg, 1963 (A54) Old Indian, Ukrainian Variation, 4.Nf3, 36 moves, 1-0 E Gereben vs J H Donner, 1963 (E42) Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein), 33 moves, 0-1 A Matanovic vs Robatsch, 1963 (B06) Robatsch, 25 moves, 1/2-1/2 B Milic vs Ivkov, 1963 (B06) Robatsch, 42 moves, 1/2-1/2 Parma vs Pirc, 1963 (B32) Sicilian, 30 moves, 1-0 Pilnik vs C van den Berg, 1963 (E13) Queen's Indian, 4.Nc3, Main line, 41 moves, 1/2-1/2 Stahlberg vs O'Kelly, 1963 (E21) Nimzo-Indian, Three Knights, 19 moves, 1/2-1/2 P Trifunovic vs Bronstein, 1963 (A46) Queen's Pawn Game, 19 moves, 1/2-1/2 T van Scheltinga vs H L Tan, 1963 (A57) Benko Gambit, 22 moves, 1/2-1/2 round six Bronstein vs E Gereben, 1963  (C84) Ruy Lopez, Closed, 61 moves, 1-0 J H Donner vs Stahlberg, 1963  (C14) French, Classical, 40 moves, 1-0 Ivkov vs Averbakh, 1963 (D91) Grunfeld, 5.Bg5, 17 moves, 1/2-1/2 O'Kelly vs Parma, 1963 (D32) Queen's Gambit Declined, Tarrasch, 16 moves, 1/2-1/2 Pirc vs B Milic, 1963 (B06) Robatsch, 29 moves, 1/2-1/2 Robatsch vs Pilnik, 1963 (B43) Sicilian, Kan, 5.Nc3, 36 moves, 1-0 H L Tan vs K Langeweg, 1963 (A46) Queen's Pawn Game, 27 moves, 1/2-1/2 T van Scheltinga vs A Matanovic, 1963 (E38) Nimzo-Indian, Classical, 4...c5, 59 moves, 0-1 C van den Berg vs P Trifunovic, 1963 (C67) Ruy Lopez, 57 moves, 1/2-1/2 round seven Averbakh vs Pirc, 1963 (B08) Pirc, Classical, 70 moves, 1/2-1/2 E Gereben vs C van den Berg, 1963 (A07) King's Indian Attack, 36 moves, 0-1 K Langeweg vs Ivkov, 1963 (A10) English, 12 moves, 1/2-1/2 A Matanovic vs H L Tan, 1963 (B06) Robatsch, 22 moves, 1-0 B Milic vs O'Kelly, 1963 (B92) Sicilian, Najdorf, Opocensky Variation, 43 moves, 1/2-1/2 Parma vs J H Donner, 1963  (B17) Caro-Kann, Steinitz Variation, 25 moves, 1-0 Pilnik vs T van Scheltinga, 1963  (B40) Sicilian, 54 moves, 1-0 Stahlberg vs Bronstein, 1963 (A49) King's Indian, Fianchetto without c4, 36 moves, 1/2-1/2 P Trifunovic vs Robatsch, 1963 (A04) Reti Opening, 28 moves, 1/2-1/2 round eight Bronstein vs Parma, 1963 (E55) Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation, 20 moves, 1/2-1/2 J H Donner vs B Milic, 1963 (E64) King's Indian, Fianchetto, Yugoslav System, 18 moves, 1/2-1/2 A Matanovic vs Pilnik, 1963 (C98) Ruy Lopez, Closed, Chigorin, 40 moves, 1/2-1/2 O'Kelly vs Averbakh, 1963 (E19) Queen's Indian, Old Main line, 9.Qxc3, 31 moves, 1/2-1/2 Pirc vs K Langeweg, 1963 (A04) Reti Opening, 25 moves, 0-1 Robatsch vs E Gereben, 1963 (C85) Ruy Lopez, Exchange Variation Doubly Deferred (DERLD), 64 moves, 1-0 H L Tan vs Ivkov, 1963 (A90) Dutch, 41 moves, 0-1 T van Scheltinga vs P Trifunovic, 1963 (E50) Nimzo-Indian, 4.e3 O-O 5.Nf3, without ...d5, 41 moves, 1-0 C van den Berg vs Stahlberg, 1963 (B68) Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 9...Be7, 23 moves, 1/2-1/2 round nine Averbakh vs J H Donner, 1963  (D37) Queen's Gambit Declined, 41 moves, 1-0 E Gereben vs T van Scheltinga, 1963 (D45) Queen's Gambit Declined Semi-Slav, 68 moves, 0-1 Ivkov vs Pirc, 1963 (A41) Queen's Pawn Game (with ...d6), 19 moves, 1-0 K Langeweg vs O'Kelly, 1963 (E66) King's Indian, Fianchetto, Yugoslav Panno, 47 moves, 1-0 B Milic vs Bronstein, 1963  (A04) Reti Opening, 38 moves, 0-1 Parma vs C van den Berg, 1963  (B82) Sicilian, Scheveningen, 21 moves, 1-0 Pilnik vs H L Tan, 1963 (B43) Sicilian, Kan, 5.Nc3, 48 moves, 1/2-1/2 Stahlberg vs Robatsch, 1963 (B06) Robatsch, 70 moves, 1/2-1/2 P Trifunovic vs A Matanovic, 1963 (E60) King's Indian Defense, 18 moves, 1/2-1/2 round ten Bronstein vs Averbakh, 1963 (B65) Sicilian, Richter-Rauzer Attack, 7...Be7 Defense, 9...Nxd4, 23 moves, 1/2-1/2 J H Donner vs K Langeweg, 1963 (A61) Benoni, 42 moves, 1-0 A Matanovic vs E Gereben, 1963 (C98) Ruy Lopez, Closed, Chigorin, 43 moves, 1/2-1/2 O'Kelly vs Ivkov, 1963 (E88) King's Indian, Samisch, Orthodox, 7.d5 c6, 28 moves, 0-1 Pilnik vs P Trifunovic, 1963 (A07) King's Indian Attack, 16 moves, 1/2-1/2 Robatsch vs Parma, 1963 (B70) Sicilian, Dragon Variation, 42 moves, 0-1 H L Tan vs Pirc, 1963  (B09) Pirc, Austrian Attack, 20 moves, 1-0 T van Scheltinga vs Stahlberg, 1963 (A06) Reti Opening, 47 moves, 1/2-1/2 C van den Berg vs B Milic, 1963 (E93) King's Indian, Petrosian System, 63 moves, 1/2-1/2 round eleven Averbakh vs C van den Berg, 1963 (E12) Queen's Indian, 56 moves, 0-1 E Gereben vs Pilnik, 1963 (E73) King's Indian, 35 moves, 0-1 Ivkov vs J H Donner, 1963 (B06) Robatsch, 31 moves, 1/2-1/2 K Langeweg vs Bronstein, 1963  (A13) English, 30 moves, 0-1 B Milic vs Robatsch, 1963 (B06) Robatsch, 40 moves, 1-0 Parma vs T van Scheltinga, 1963 (C97) Ruy Lopez, Closed, Chigorin, 28 moves, 1/2-1/2 Pirc vs O'Kelly, 1963 (A49) King's Indian, Fianchetto without c4, 48 moves, 1/2-1/2 Stahlberg vs A Matanovic, 1963 (D05) Queen's Pawn Game, 17 moves, 1/2-1/2 P Trifunovic vs H L Tan, 1963 (A48) King's Indian, 21 moves, 1/2-1/2 round twelve Bronstein vs Ivkov, 1963 (C84) Ruy Lopez, Closed, 20 moves, 1/2-1/2 J H Donner vs Pirc, 1963 (A42) Modern Defense, Averbakh System, 35 moves, 1-0 A Matanovic vs Parma, 1963 (B18) Caro-Kann, Classical, 31 moves, 1/2-1/2 Pilnik vs Stahlberg, 1963 (C11) French, 42 moves, 1-0 Robatsch vs Averbakh, 1963 (B73) Sicilian, Dragon, Classical, 41 moves, 1/2-1/2 H L Tan vs O'Kelly, 1963 (C85) Ruy Lopez, Exchange Variation Doubly Deferred (DERLD), 28 moves, 1/2-1/2 P Trifunovic vs E Gereben, 1963 (A31) English, Symmetrical, Benoni Formation, 39 moves, 1/2-1/2 T van Scheltinga vs B Milic, 1963 (A44) Old Benoni Defense, 50 moves, 1-0 C van den Berg vs K Langeweg, 1963 (B46) Sicilian, Taimanov Variation, 23 moves, 1-0 round thirteen Averbakh vs T van Scheltinga, 1963 (D38) Queen's Gambit Declined, Ragozin Variation, 46 moves, 1/2-1/2 E Gereben vs H L Tan, 1963 (A57) Benko Gambit, 41 moves, 1-0 Ivkov vs C van den Berg, 1963 (C93) Ruy Lopez, Closed, Smyslov Defense, 42 moves, 1-0 K Langeweg vs Robatsch, 1963 (A07) King's Indian Attack, 35 moves, 1/2-1/2 B Milic vs A Matanovic, 1963 (B95) Sicilian, Najdorf, 6...e6, 28 moves, 1/2-1/2 O'Kelly vs J H Donner, 1963 (D55) Queen's Gambit Declined, 38 moves, 0-1 Parma vs Pilnik, 1963 (C81) Ruy Lopez, Open, Howell Attack, 44 moves, 0-1 Pirc vs Bronstein, 1963 (A00) Uncommon Opening, 52 moves, 0-1 Stahlberg vs P Trifunovic, 1963 (D14) Queen's Gambit Declined Slav, Exchange Variation, 12 moves, 1/2-1/2 round fourteen Bronstein vs O'Kelly, 1963  (A07) King's Indian Attack, 30 moves, 1-0 E Gereben vs Stahlberg, 1963 (A80) Dutch, 62 moves, 0-1 A Matanovic vs Averbakh, 1963 (C96) Ruy Lopez, Closed, 26 moves, 1/2-1/2 Pilnik vs B Milic, 1963  (B77) Sicilian, Dragon, Yugoslav Attack, 35 moves, 1-0 Robatsch vs Ivkov, 1963 (A07) King's Indian Attack, 43 moves, 1/2-1/2 H L Tan vs J H Donner, 1963 (B52) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 35 moves, 0-1 P Trifunovic vs Parma, 1963  (B76) Sicilian, Dragon, Yugoslav Attack, 27 moves, 1/2-1/2 T van Scheltinga vs K Langeweg, 1963 (A62) Benoni, Fianchetto Variation, 34 moves, 0-1 C van den Berg vs Pirc, 1963 (A41) Queen's Pawn Game (with ...d6), 34 moves, 1/2-1/2 round fifteen Averbakh vs Pilnik, 1963 (A56) Benoni Defense, 60 moves, 1-0 J H Donner vs Bronstein, 1963 (D25) Queen's Gambit Accepted, 16 moves, 1/2-1/2 Ivkov vs T van Scheltinga, 1963 (B90) Sicilian, Najdorf, 59 moves, 1-0 K Langeweg vs A Matanovic, 1963 (A17) English, 41 moves, 1/2-1/2 B Milic vs P Trifunovic, 1963 (C43) Petrov, Modern Attack, 43 moves, 1/2-1/2 O'Kelly vs C van den Berg, 1963 (E20) Nimzo-Indian, 33 moves, 1-0 Parma vs E Gereben, 1963 (B94) Sicilian, Najdorf, 41 moves, 1/2-1/2 Pirc vs Robatsch, 1963 (A05) Reti Opening, 22 moves, 1/2-1/2 Stahlberg vs H L Tan, 1963 (E17) Queen's Indian, 31 moves, 1-0 round sixteen E Gereben vs B Milic, 1963 (A48) King's Indian, 40 moves, 1/2-1/2 A Matanovic vs Ivkov, 1963 (C18) French, Winawer, 22 moves, 1/2-1/2 Pilnik vs K Langeweg, 1963 (B47) Sicilian, Taimanov (Bastrikov) Variation, 25 moves, 1-0 Robatsch vs O'Kelly, 1963 (C89) Ruy Lopez, Marshall, 24 moves, 1/2-1/2 Stahlberg vs Parma, 1963 (A04) Reti Opening, 14 moves, 1/2-1/2 H L Tan vs Bronstein, 1963 (B32) Sicilian, 49 moves, 1/2-1/2 P Trifunovic vs Averbakh, 1963 (D30) Queen's Gambit Declined, 21 moves, 1/2-1/2 T van Scheltinga vs Pirc, 1963 (A41) Queen's Pawn Game (with ...d6), 36 moves, 1/2-1/2 C van den Berg vs J H Donner, 1963  (C07) French, Tarrasch, 29 moves, 0-1 round seventeen Averbakh vs E Gereben, 1963 (A57) Benko Gambit, 45 moves, 1-0 Bronstein vs C van den Berg, 1963  (A46) Queen's Pawn Game, 33 moves, 1-0 J H Donner vs Robatsch, 1963 (B06) Robatsch, 32 moves, 1/2-1/2 Ivkov vs Pilnik, 1963 (A56) Benoni Defense, 35 moves, 0-1 K Langeweg vs P Trifunovic, 1963 (A70) Benoni, Classical with 7.Nf3, 14 moves, 1/2-1/2 B Milic vs Stahlberg, 1963 (B63) Sicilian, Richter-Rauzer Attack, 40 moves, 1-0 O'Kelly vs T van Scheltinga, 1963 (C84) Ruy Lopez, Closed, 26 moves, 1/2-1/2 Parma vs H L Tan, 1963 (B43) Sicilian, Kan, 5.Nc3, 49 moves, 1/2-1/2 Pirc vs A Matanovic, 1963 (A00) Uncommon Opening, 30 moves, 1/2-1/2 153 games