Portisch vs K Honfi, 1956  (D32) Queen's Gambit Declined, Tarrasch, 27 moves, 1-0 Portisch vs J Kozma, 1957  (E62) King's Indian, Fianchetto, 40 moves, 1-0 Portisch vs Forintos, 1958  (D15) Queen's Gambit Declined Slav, 39 moves, 1-0 Portisch vs Bobotsov, 1958 (A56) Benoni Defense, 41 moves, 1-0 Lengyel vs Portisch, 1958 (A13) English, 45 moves, 0-1 Szabo vs Portisch, 1959  (E29) Nimzo-Indian, Samisch, 42 moves, 0-1 A Dueckstein vs Portisch, 1959 (B43) Sicilian, Kan, 5.Nc3, 41 moves, 0-1 Portisch vs S Dittmann, 1959 (E93) King's Indian, Petrosian System, 41 moves, 1-0 J H Donner vs Portisch, 1960  (E55) Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation, 29 moves, 0-1 J Pogats vs Portisch, 1961  (B18) Caro-Kann, Classical, 39 moves, 0-1 Portisch vs Tal, 1961  (C05) French, Tarrasch, 35 moves, 1-0 Portisch vs Szabo, 1961 (E67) King's Indian, Fianchetto, 44 moves, 1-0 Yanofsky vs Portisch, 1962  (B43) Sicilian, Kan, 5.Nc3, 62 moves, 0-1 Portisch vs Uhlmann, 1962  (A87) Dutch, Leningrad, Main Variation, 37 moves, 1-0 Portisch vs Shamkovich, 1963  (E45) Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation, 33 moves, 1-0 Portisch vs S Hamann, 1963  (E48) Nimzo-Indian, 4.e3 O-O 5.Bd3 d5, 39 moves, 1-0 Portisch vs Larsen, 1963 (E46) Nimzo-Indian, 31 moves, 1-0 K Darga vs Portisch, 1964  (A14) English, 62 moves, 0-1 T van Scheltinga vs Portisch, 1964 (E50) Nimzo-Indian, 4.e3 O-O 5.Nf3, without ...d5, 27 moves, 0-1 K Honfi vs Portisch, 1964 (C02) French, Advance, 27 moves, 0-1 Portisch vs Gligoric, 1964 (E69) King's Indian, Fianchetto, Classical Main line, 38 moves, 1-0 Portisch vs Eliskases, 1964  (D37) Queen's Gambit Declined, 32 moves, 1-0 Portisch vs Bagirov, 1965  (B14) Caro-Kann, Panov-Botvinnik Attack, 24 moves, 1-0 A Matanovic vs Portisch, 1965  (B83) Sicilian, 39 moves, 0-1 Petrosian vs Portisch, 1965  (D27) Queen's Gambit Accepted, Classical, 38 moves, 0-1 Portisch vs Gheorghiu, 1965  (D11) Queen's Gambit Declined Slav, 19 moves, 1-0 L Liptay vs Portisch, 1965 (E14) Queen's Indian, 40 moves, 0-1 Portisch vs J H Donner, 1966  (A33) English, Symmetrical, 19 moves, 1-0 Portisch vs Petrosian, 1966  (E63) King's Indian, Fianchetto, Panno Variation, 32 moves, 1-0 Portisch vs Matulovic, 1967 (A33) English, Symmetrical, 55 moves, 1-0 Portisch vs Spassky, 1967  (E45) Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation, 40 moves, 1-0 Keres vs Portisch, 1967  (C93) Ruy Lopez, Closed, Smyslov Defense, 90 moves, 0-1 Portisch vs Petrosian, 1967  (D10) Queen's Gambit Declined Slav, 24 moves, 1-0 Portisch vs Larsen, 1967  (A41) Queen's Pawn Game (with ...d6), 43 moves, 1-0 N Padevsky vs Portisch, 1968 (C75) Ruy Lopez, Modern Steinitz Defense, 42 moves, 0-1 Portisch vs A Matanovic, 1968  (A14) English, 38 moves, 1-0 Hort vs Portisch, 1968 (C69) Ruy Lopez, Exchange, Gligoric Variation, 32 moves, 0-1 J H Donner vs Portisch, 1968 (E75) King's Indian, Averbakh, Main line, 37 moves, 0-1 Portisch vs Larsen, 1968 (B39) Sicilian, Accelerated Fianchetto, Breyer Variation, 39 moves, 1-0 Portisch vs E Haag, 1969 (E54) Nimzo-Indian, 4.e3, Gligoric System, 44 moves, 1-0 Portisch vs Keres, 1969  (D02) Queen's Pawn Game, 40 moves, 1-0 Portisch vs I Radulov, 1969  (A10) English, 35 moves, 1-0 Portisch vs Bronstein, 1969  (D06) Queen's Gambit Declined, 20 moves, 1-0 Gheorghiu vs Portisch, 1969  (C33) King's Gambit Accepted, 36 moves, 0-1 Portisch vs K Langeweg, 1969 (E54) Nimzo-Indian, 4.e3, Gligoric System, 24 moves, 1-0 Westerinen vs Portisch, 1969 (C94) Ruy Lopez, Closed, Breyer Defense, 50 moves, 0-1 Portisch vs M Kaderi, 1970 (A15) English, 36 moves, 1-0 Larsen vs Portisch, 1970  (A01) Nimzovich-Larsen Attack, 22 moves, 0-1 R Naranja vs Portisch, 1970  (D86) Grunfeld, Exchange, 16 moves, 0-1 Bobotsov vs Portisch, 1970 (A28) English, 41 moves, 0-1 Portisch vs Gligoric, 1970 (A33) English, Symmetrical, 41 moves, 1-0 Portisch vs A Matanovic, 1971 (A14) English, 39 moves, 1-0 R Hartoch vs Portisch, 1971 (A22) English, 38 moves, 0-1 Portisch vs Browne, 1971  (E54) Nimzo-Indian, 4.e3, Gligoric System, 39 moves, 1-0 P Dely vs Portisch, 1971 (C92) Ruy Lopez, Closed, 41 moves, 0-1 Portisch vs Sax, 1971  (E60) King's Indian Defense, 27 moves, 1-0 Portisch vs Larsen, 1971  (A17) English, 43 moves, 1-0 S Tatai vs Portisch, 1972  (C72) Ruy Lopez, Modern Steinitz Defense, 5.O-O, 32 moves, 0-1 Ljubojevic vs Portisch, 1972 (B87) Sicilian, Fischer-Sozin with ...a6 and ...b5, 40 moves, 0-1 Portisch vs Smyslov, 1972  (A04) Reti Opening, 41 moves, 1-0 Portisch vs A Menvielle Laccourreye, 1972  (A10) English, 22 moves, 1-0 Andersson vs Portisch, 1972 (C69) Ruy Lopez, Exchange, Gligoric Variation, 36 moves, 0-1 Portisch vs Larsen, 1972  (E56) Nimzo-Indian, 4.e3, Main line with 7...Nc6, 47 moves, 1-0 J H Donner vs Portisch, 1972  (E41) Nimzo-Indian, 22 moves, 0-1 Portisch vs Bobotsov, 1972  (E41) Nimzo-Indian, 25 moves, 1-0 Portisch vs Larsen, 1972  (A40) Queen's Pawn Game, 35 moves, 1-0 Portisch vs Karpov, 1972  (E55) Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation, 26 moves, 1-0 J Barle vs Portisch, 1973  (C05) French, Tarrasch, 24 moves, 0-1 Portisch vs W Schmidt, 1973 (D78) Neo-Grunfeld, 6.O-O c6, 48 moves, 1-0 Portisch vs Reshevsky, 1973  (B36) Sicilian, Accelerated Fianchetto, 28 moves, 1-0 Portisch vs Keres, 1973  (A17) English, 39 moves, 1-0 Polugaevsky vs Portisch, 1973  (D60) Queen's Gambit Declined, Orthodox Defense, 53 moves, 0-1 Portisch vs Polugaevsky, 1973  (D47) Queen's Gambit Declined Semi-Slav, 49 moves, 1-0 Portisch vs Petrosian, 1974  (D63) Queen's Gambit Declined, Orthodox Defense, 33 moves, 1-0 Portisch vs I Radulov, 1974  (D26) Queen's Gambit Accepted, 24 moves, 1-0 Portisch vs H Pfleger, 1974  (B39) Sicilian, Accelerated Fianchetto, Breyer Variation, 33 moves, 1-0 Quinteros vs Portisch, 1974  (D78) Neo-Grunfeld, 6.O-O c6, 38 moves, 0-1 Portisch vs Gheorghiu, 1974  (D99) Grunfeld Defense, Smyslov, 33 moves, 1-0 Hort vs Portisch, 1975  (E10) Queen's Pawn Game, 86 moves, 0-1 Portisch vs J H Donner, 1975  (E88) King's Indian, Samisch, Orthodox, 7.d5 c6, 26 moves, 1-0 Portisch vs P Dely, 1975  (A25) English, 23 moves, 1-0 I Bilek vs Portisch, 1975 (A20) English, 40 moves, 0-1 J Pinter vs Portisch, 1975  (C69) Ruy Lopez, Exchange, Gligoric Variation, 53 moves, 0-1 J Barle vs Portisch, 1975  (C25) Vienna, 27 moves, 0-1 Portisch vs Gligoric, 1975  (E88) King's Indian, Samisch, Orthodox, 7.d5 c6, 34 moves, 1-0 Portisch vs J Pinter, 1975  (E83) King's Indian, Samisch, 21 moves, 1-0 J Flesch vs Portisch, 1975 (A34) English, Symmetrical, 44 moves, 0-1 Portisch vs Larsen, 1976 (A17) English, 37 moves, 1-0 Csom vs Portisch, 1976  (A06) Reti Opening, 26 moves, 0-1 K Rogoff vs Portisch, 1976  (A29) English, Four Knights, Kingside Fianchetto, 33 moves, 0-1 Out of book J Bellon Lopez vs Portisch, 1976 (B44) Sicilian, 33 moves, 0-1 Out of book Portisch vs Tal, 1964  (A04) Reti Opening, 39 moves, 1/2-1/2 Browne vs Portisch, 1975 (C72) Ruy Lopez, Modern Steinitz Defense, 5.O-O, 41 moves, 0-1 F Braga vs Portisch, 1982  (B22) Sicilian, Alapin, 35 moves, 0-1 Out of book Suba vs Portisch, 1984  (A33) English, Symmetrical, 20 moves, 0-1 Out of book Portisch vs Timman, 1984 (E14) Queen's Indian, 50 moves, 1-0 Portisch vs Timman, 1985  (E14) Queen's Indian, 42 moves, 1-0 Portisch vs de Firmian, 1990  (E14) Queen's Indian, 30 moves, 1-0 Portisch vs Onischuk, 1996 (E14) Queen's Indian, 40 moves, 1-0 Portisch vs Larsen, 1999  (E14) Queen's Indian, 26 moves, 1-0 Out of book Karpov vs Portisch, 1982  (C42) Petrov Defense, 32 moves, 0-1 101 games