Round one: 3 June M Cuellar Gacharna vs Uhlmann, 1973  (A22) English, 26 moves, 0-1 G Estevez Morales vs Karpov, 1973  (D58) Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst, 55 moves, 0-1 Gligoric vs R Byrne, 1973 (E61) King's Indian, 20 moves, 1/2-1/2 Huebner vs Taimanov, 1973 (A00) Uncommon Opening, 21 moves, 1/2-1/2 I Radulov vs Quinteros, 1973 (B43) Sicilian, Kan, 5.Nc3, 48 moves, 1-0 J Rukavina vs Larsen, 1973  (A10) English, 28 moves, 0-1 Smejkal vs Tal, 1973 (E62) King's Indian, Fianchetto, 32 moves, 1/2-1/2 E Torre vs G Kuzmin, 1973 (B08) Pirc, Classical, 57 moves, 1/2-1/2 V Tukmakov vs Korchnoi, 1973  (E04) Catalan, Open, 5.Nf3, 38 moves, 0-1 Round two: 4 June R Byrne vs J Rukavina, 1973  (C95) Ruy Lopez, Closed, Breyer, 33 moves, 1-0 Karpov vs Huebner, 1973  (B42) Sicilian, Kan, 41 moves, 1/2-1/2 Korchnoi vs M Cuellar Gacharna, 1973  (D58) Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst, 33 moves, 1-0 G Kuzmin vs G Estevez Morales, 1973 (E59) Nimzo-Indian, 4.e3, Main line, 51 moves, 1-0 Larsen vs I Radulov, 1973  (A15) English, 26 moves, 1-0 Quinteros vs Smejkal, 1973  (A04) Reti Opening, 40 moves, 1-0 Taimanov vs V Tukmakov, 1973 (A34) English, Symmetrical, 25 moves, 1/2-1/2 Tal vs E Torre, 1973  (A15) English, 67 moves, 0-1 Uhlmann vs Gligoric, 1973 (E73) King's Indian, 61 moves, 1/2-1/2 Round three: 5 June M Cuellar Gacharna vs Gligoric, 1973  (E68) King's Indian, Fianchetto, Classical Variation, 8.e4, 70 moves, 0-1 G Estevez Morales vs Tal, 1973  (B84) Sicilian, Scheveningen, 37 moves, 1-0 Huebner vs G Kuzmin, 1973 (C84) Ruy Lopez, Closed, 24 moves, 1/2-1/2 Korchnoi vs Taimanov, 1973  (A22) English, 52 moves, 1-0 I Radulov vs R Byrne, 1973 (C07) French, Tarrasch, 29 moves, 0-1 J Rukavina vs Uhlmann, 1973 (A26) English, 41 moves, 1/2-1/2 Smejkal vs Larsen, 1973  (A95) Dutch, Stonewall, 40 moves, 0-1 E Torre vs Quinteros, 1973  (B92) Sicilian, Najdorf, Opocensky Variation, 24 moves, 1/2-1/2 V Tukmakov vs Karpov, 1973  (C95) Ruy Lopez, Closed, Breyer, 33 moves, 0-1 Round four: 7 June R Byrne vs Smejkal, 1973 (C78) Ruy Lopez, 41 moves, 1/2-1/2 Gligoric vs J Rukavina, 1973 (D25) Queen's Gambit Accepted, 28 moves, 1/2-1/2 Karpov vs Korchnoi, 1973  (B08) Pirc, Classical, 18 moves, 1/2-1/2 G Kuzmin vs V Tukmakov, 1973 (B45) Sicilian, Taimanov, 41 moves, 1-0 Larsen vs E Torre, 1973  (A10) English, 96 moves, 1/2-1/2 Quinteros vs G Estevez Morales, 1973 (A15) English, 44 moves, 1/2-1/2 Taimanov vs M Cuellar Gacharna, 1973  (D67) Queen's Gambit Declined, Orthodox Defense, Bd3 line, 58 moves, 1/2-1/2 Tal vs Huebner, 1973  (B43) Sicilian, Kan, 5.Nc3, 34 moves, 0-1 Uhlmann vs I Radulov, 1973 (A30) English, Symmetrical, 42 moves, 0-1 Round five: 8 June G Estevez Morales vs Larsen, 1973  (B44) Sicilian, 25 moves, 0-1 Huebner vs Quinteros, 1973 (B91) Sicilian, Najdorf, Zagreb (Fianchetto) Variation, 42 moves, 1/2-1/2 Korchnoi vs G Kuzmin, 1973 (A15) English, 34 moves, 1/2-1/2 I Radulov vs Gligoric, 1973  (C49) Four Knights, 12 moves, 1/2-1/2 J Rukavina vs M Cuellar Gacharna, 1973 (A07) King's Indian Attack, 50 moves, 1/2-1/2 Smejkal vs Uhlmann, 1973  (D82) Grunfeld, 4.Bf4, 41 moves, 1-0 Taimanov vs Karpov, 1973  (E46) Nimzo-Indian, 40 moves, 1/2-1/2 E Torre vs R Byrne, 1973  (A00) Uncommon Opening, 41 moves, 0-1 V Tukmakov vs Tal, 1973 (B93) Sicilian, Najdorf, 6.f4, 41 moves, 0-1 Round six: 9 June R Byrne vs G Estevez Morales, 1973 (B81) Sicilian, Scheveningen, Keres Attack, 22 moves, 1-0 M Cuellar Gacharna vs Karpov, 1973  (A31) English, Symmetrical, Benoni Formation, 56 moves, 0-1 Gligoric vs Smejkal, 1973  (D86) Grunfeld, Exchange, 43 moves, 0-1 G Kuzmin vs Taimanov, 1973 (D16) Queen's Gambit Declined Slav, 34 moves, 1/2-1/2 Larsen vs Huebner, 1973  (E90) King's Indian, 49 moves, 1-0 Quinteros vs V Tukmakov, 1973  (E63) King's Indian, Fianchetto, Panno Variation, 42 moves, 1-0 J Rukavina vs I Radulov, 1973 (A33) English, Symmetrical, 42 moves, 1/2-1/2 Tal vs Korchnoi, 1973  (A15) English, 56 moves, 0-1 Uhlmann vs E Torre, 1973  (A30) English, Symmetrical, 42 moves, 1/2-1/2 Round seven: 12 June G Estevez Morales vs Uhlmann, 1973 (A15) English, 34 moves, 1/2-1/2 Huebner vs R Byrne, 1973 (A36) English, 26 moves, 1/2-1/2 Karpov vs G Kuzmin, 1973  (C09) French, Tarrasch, Open Variation, Main line, 39 moves, 1-0 Korchnoi vs Quinteros, 1973  (A58) Benko Gambit, 27 moves, 1-0 I Radulov vs M Cuellar Gacharna, 1973  (B52) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 27 moves, 1-0 Smejkal vs J Rukavina, 1973  (C41) Philidor Defense, 47 moves, 1-0 Taimanov vs Tal, 1973  (A04) Reti Opening, 12 moves, 1/2-1/2 E Torre vs Gligoric, 1973 (C44) King's Pawn Game, 37 moves, 0-1 V Tukmakov vs Larsen, 1973 (C75) Ruy Lopez, Modern Steinitz Defense, 66 moves, 1/2-1/2 Round eight: 13 June R Byrne vs V Tukmakov, 1973  (C95) Ruy Lopez, Closed, Breyer, 41 moves, 1-0 M Cuellar Gacharna vs G Kuzmin, 1973  (A22) English, 29 moves, 1/2-1/2 Gligoric vs G Estevez Morales, 1973  (E46) Nimzo-Indian, 37 moves, 1-0 Larsen vs Korchnoi, 1973  (A20) English, 43 moves, 0-1 Quinteros vs Taimanov, 1973 (A07) King's Indian Attack, 40 moves, 1/2-1/2 I Radulov vs Smejkal, 1973 (B52) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 56 moves, 0-1 J Rukavina vs E Torre, 1973 (E60) King's Indian Defense, 88 moves, 1/2-1/2 Tal vs Karpov, 1973  (C95) Ruy Lopez, Closed, Breyer, 47 moves, 1/2-1/2 Uhlmann vs Huebner, 1973 (A17) English, 74 moves, 1/2-1/2 Round nine: 14 June G Estevez Morales vs J Rukavina, 1973 (B06) Robatsch, 35 moves, 0-1 Huebner vs Gligoric, 1973 (E81) King's Indian, Samisch, 41 moves, 1-0 Karpov vs Quinteros, 1973  (B97) Sicilian, Najdorf, 37 moves, 1-0 Korchnoi vs R Byrne, 1973  (E97) King's Indian, 29 moves, 1-0 G Kuzmin vs Tal, 1973  (A56) Benoni Defense, 63 moves, 1-0 Smejkal vs M Cuellar Gacharna, 1973  (E08) Catalan, Closed, 42 moves, 1-0 Taimanov vs Larsen, 1973  (E15) Queen's Indian, 47 moves, 1/2-1/2 E Torre vs I Radulov, 1973  (B52) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 30 moves, 0-1 V Tukmakov vs Uhlmann, 1973 (D99) Grunfeld Defense, Smyslov, 43 moves, 1/2-1/2 Round ten: 16 June R Byrne vs Taimanov, 1973  (B46) Sicilian, Taimanov Variation, 41 moves, 1-0 M Cuellar Gacharna vs Tal, 1973  (E91) King's Indian, 79 moves, 0-1 Gligoric vs V Tukmakov, 1973 (D86) Grunfeld, Exchange, 41 moves, 0-1 Larsen vs Karpov, 1973 (A36) English, 21 moves, 1/2-1/2 Quinteros vs G Kuzmin, 1973 (A07) King's Indian Attack, 55 moves, 1/2-1/2 I Radulov vs G Estevez Morales, 1973 (B73) Sicilian, Dragon, Classical, 41 moves, 1-0 J Rukavina vs Huebner, 1973 (E62) King's Indian, Fianchetto, 30 moves, 1/2-1/2 Smejkal vs E Torre, 1973  (E62) King's Indian, Fianchetto, 32 moves, 1-0 Uhlmann vs Korchnoi, 1973 (A29) English, Four Knights, Kingside Fianchetto, 27 moves, 1/2-1/2 Round eleven: 17 June G Estevez Morales vs Smejkal, 1973  (D87) Grunfeld, Exchange, 36 moves, 0-1 Huebner vs I Radulov, 1973 (D37) Queen's Gambit Declined, 33 moves, 1-0 Karpov vs R Byrne, 1973  (B92) Sicilian, Najdorf, Opocensky Variation, 21 moves, 1/2-1/2 Korchnoi vs Gligoric, 1973 (E97) King's Indian, 41 moves, 1/2-1/2 G Kuzmin vs Larsen, 1973 (B30) Sicilian, 52 moves, 0-1 Taimanov vs Uhlmann, 1973 (D94) Grunfeld, 62 moves, 1/2-1/2 Tal vs Quinteros, 1973 (B93) Sicilian, Najdorf, 6.f4, 57 moves, 1-0 E Torre vs M Cuellar Gacharna, 1973  (B89) Sicilian, 74 moves, 1-0 V Tukmakov vs J Rukavina, 1973  (C94) Ruy Lopez, Closed, Breyer Defense, 51 moves, 1-0 Round twelve: 19 June R Byrne vs G Kuzmin, 1973 (C93) Ruy Lopez, Closed, Smyslov Defense, 37 moves, 1/2-1/2 M Cuellar Gacharna vs Quinteros, 1973 (A43) Old Benoni, 50 moves, 0-1 Gligoric vs Taimanov, 1973  (A77) Benoni, Classical, 9...Re8, 10.Nd2, 46 moves, 1/2-1/2 Larsen vs Tal, 1973  (A37) English, Symmetrical, 35 moves, 0-1 I Radulov vs V Tukmakov, 1973 (B81) Sicilian, Scheveningen, Keres Attack, 40 moves, 1/2-1/2 J Rukavina vs Korchnoi, 1973  (D47) Queen's Gambit Declined Semi-Slav, 39 moves, 1-0 Smejkal vs Huebner, 1973  (E66) King's Indian, Fianchetto, Yugoslav Panno, 52 moves, 0-1 E Torre vs G Estevez Morales, 1973  (B31) Sicilian, Rossolimo Variation, 41 moves, 1-0 Uhlmann vs Karpov, 1973  (D42) Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3, 45 moves, 0-1 Round thirteen: 21 June G Estevez Morales vs M Cuellar Gacharna, 1973 (B53) Sicilian, 43 moves, 1-0 Huebner vs E Torre, 1973 (A64) Benoni, Fianchetto, 11...Re8, 50 moves, 1-0 Karpov vs Gligoric, 1973  (C95) Ruy Lopez, Closed, Breyer, 63 moves, 1-0 Korchnoi vs I Radulov, 1973 (D26) Queen's Gambit Accepted, 36 moves, 1-0 G Kuzmin vs Uhlmann, 1973  (C09) French, Tarrasch, Open Variation, Main line, 44 moves, 1-0 Quinteros vs Larsen, 1973  (E62) King's Indian, Fianchetto, 37 moves, 1-0 Taimanov vs J Rukavina, 1973 (D31) Queen's Gambit Declined, 41 moves, 1-0 Tal vs R Byrne, 1973  (B97) Sicilian, Najdorf, 43 moves, 1/2-1/2 V Tukmakov vs Smejkal, 1973 (D98) Grunfeld, Russian, 82 moves, 0-1 Round fourteen: 22 June R Byrne vs Quinteros, 1973 (B42) Sicilian, Kan, 41 moves, 1-0 M Cuellar Gacharna vs Larsen, 1973  (A50) Queen's Pawn Game, 68 moves, 0-1 G Estevez Morales vs Huebner, 1973 (C04) French, Tarrasch, Guimard Main line, 40 moves, 1-0 Gligoric vs G Kuzmin, 1973 (E54) Nimzo-Indian, 4.e3, Gligoric System, 42 moves, 1-0 I Radulov vs Taimanov, 1973 (A04) Reti Opening, 56 moves, 0-1 J Rukavina vs Karpov, 1973  (A17) English, 49 moves, 0-1 Smejkal vs Korchnoi, 1973 (A29) English, Four Knights, Kingside Fianchetto, 20 moves, 1/2-1/2 E Torre vs V Tukmakov, 1973  (B40) Sicilian, 38 moves, 1-0 Uhlmann vs Tal, 1973 (A21) English, 19 moves, 1/2-1/2 Round fifteen: 23 June Huebner vs M Cuellar Gacharna, 1973  (E62) King's Indian, Fianchetto, 54 moves, 1-0 Karpov vs I Radulov, 1973  (A21) English, 39 moves, 1/2-1/2 Korchnoi vs E Torre, 1973 (A75) Benoni, Classical with ...a6 and 10...Bg4, 43 moves, 1-0 G Kuzmin vs J Rukavina, 1973  (C95) Ruy Lopez, Closed, Breyer, 41 moves, 1-0 Larsen vs R Byrne, 1973 (E80) King's Indian, Samisch Variation, 31 moves, 0-1 Quinteros vs Uhlmann, 1973 (A48) King's Indian, 59 moves, 0-1 Taimanov vs Smejkal, 1973  (E66) King's Indian, Fianchetto, Yugoslav Panno, 47 moves, 0-1 Tal vs Gligoric, 1973 (C95) Ruy Lopez, Closed, Breyer, 42 moves, 1-0 V Tukmakov vs G Estevez Morales, 1973 (B36) Sicilian, Accelerated Fianchetto, 73 moves, 1/2-1/2 Round sixteen: 25 June M Cuellar Gacharna vs R Byrne, 1973  (A05) Reti Opening, 54 moves, 0-1 G Estevez Morales vs Korchnoi, 1973 (C07) French, Tarrasch, 39 moves, 0-1 Gligoric vs Quinteros, 1973 (A56) Benoni Defense, 59 moves, 1/2-1/2 Huebner vs V Tukmakov, 1973 (D79) Neo-Grunfeld, 6.O-O, Main line, 46 moves, 1/2-1/2 I Radulov vs G Kuzmin, 1973 (C47) Four Knights, 10 moves, 1/2-1/2 J Rukavina vs Tal, 1973  (A05) Reti Opening, 41 moves, 1-0 Smejkal vs Karpov, 1973  (B46) Sicilian, Taimanov Variation, 72 moves, 0-1 E Torre vs Taimanov, 1973  (A04) Reti Opening, 53 moves, 1/2-1/2 Uhlmann vs Larsen, 1973  (A10) English, 38 moves, 0-1 Round seventeen: 27 June R Byrne vs Uhlmann, 1973 (C09) French, Tarrasch, Open Variation, Main line, 13 moves, 1/2-1/2 Karpov vs E Torre, 1973  (B04) Alekhine's Defense, Modern, 24 moves, 1-0 Korchnoi vs Huebner, 1973  (A16) English, 38 moves, 1-0 G Kuzmin vs Smejkal, 1973  (C48) Four Knights, 9 moves, 1/2-1/2 Larsen vs Gligoric, 1973  (E70) King's Indian, 28 moves, 0-1 Quinteros vs J Rukavina, 1973 (A49) King's Indian, Fianchetto without c4, 47 moves, 1/2-1/2 Taimanov vs G Estevez Morales, 1973 (E21) Nimzo-Indian, Three Knights, 47 moves, 1-0 Tal vs I Radulov, 1973 (B61) Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2, 41 moves, 1-0 V Tukmakov vs M Cuellar Gacharna, 1973  (B69) Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 11.Bxf6, 29 moves, 1-0