Round One M Gerusel vs Ulf Andersson, 1973 (E39) Nimzo-Indian, Classical, Pirc Variation, 43 moves, 0-1 D Marovic vs Keres, 1973 (D34) Queen's Gambit Declined, Tarrasch, 32 moves, 1/2-1/2 V Ciocaltea vs H Kestler, 1973 (B53) Sicilian, 25 moves, 1/2-1/2 H Westerinen vs J Dueball, 1973 (A00) Uncommon Opening, 50 moves, 0-1 A Suess vs Hecht, 1973 (C16) French, Winawer, 59 moves, 1/2-1/2 E Paoli vs L Popov, 1973 (B02) Alekhine's Defense, 39 moves, 0-1 Parma vs Kunsztowicz, 1973 (B69) Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 11.Bxf6, 33 moves, 0-1 Spassky vs Keene, 1973  (E83) King's Indian, Samisch, 23 moves, 1-0 Round Two Ulf Andersson vs L Popov, 1973 (B40) Sicilian, 16 moves, 1/2-1/2 M Gerusel vs V Ciocaltea, 1973 (A81) Dutch, 25 moves, 1/2-1/2 Kunsztowicz vs A Suess, 1973 (E11) Bogo-Indian Defense, 20 moves, 1/2-1/2 J Dueball vs D Marovic, 1973 (B77) Sicilian, Dragon, Yugoslav Attack, 23 moves, 1-0 Keres vs Parma, 1973 (A56) Benoni Defense, 23 moves, 1/2-1/2 Hecht vs Spassky, 1973 (B31) Sicilian, Rossolimo Variation, 69 moves, 1-0 Keene vs E Paoli, 1973  (A05) Reti Opening, 47 moves, 1-0 H Kestler vs H Westerinen, 1973 (A16) English, 34 moves, 0-1 Round Three Spassky vs Kunsztowicz, 1973 (B31) Sicilian, Rossolimo Variation, 29 moves, 1/2-1/2 A Suss vs Keres, 1973 (C73) Ruy Lopez, Modern Steinitz Defense, 72 moves, 0-1 H Westerinen vs M Gerusel, 1973 (B42) Sicilian, Kan, 32 moves, 1-0 L Popov vs Keene, 1973 (A50) Queen's Pawn Game, 17 moves, 1/2-1/2 Parma vs J Dueball, 1973 (B56) Sicilian, 18 moves, 1/2-1/2 E Paoli vs Hecht, 1973 (C06) French, Tarrasch, 38 moves, 0-1 D Marovic vs H Kestler, 1973 (E62) King's Indian, Fianchetto, 42 moves, 1-0 V Ciocaltea vs Ulf Andersson, 1973 (C16) French, Winawer, 17 moves, 1/2-1/2 Round Four Kunsztowicz vs E Paoli, 1973 (D43) Queen's Gambit Declined Semi-Slav, 66 moves, 1-0 J Dueball vs A Suess, 1973 (B61) Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2, 34 moves, 1/2-1/2 Ulf Andersson vs Keene, 1973 (B08) Pirc, Classical, 31 moves, 1/2-1/2 V Ciocaltea vs H Westerinen, 1973  (B05) Alekhine's Defense, Modern, 50 moves, 1/2-1/2 Hecht vs L Popov, 1973 (B43) Sicilian, Kan, 5.Nc3, 39 moves, 1-0 Keres vs Spassky, 1973 (C95) Ruy Lopez, Closed, Breyer, 31 moves, 1/2-1/2 H Kestler vs Parma, 1973 (A14) English, 40 moves, 0-1 M Gerusel vs D Marovic, 1973 (E71) King's Indian, Makagonov System (5.h3), 24 moves, 1/2-1/2 Round Five Parma vs M Gerusel, 1973 (B42) Sicilian, Kan, 16 moves, 1/2-1/2 Spassky vs J Dueball, 1973 (D89) Grunfeld, 30 moves, 1/2-1/2 D Marovic vs V Ciocaltea, 1973 (E63) King's Indian, Fianchetto, Panno Variation, 46 moves, 1-0 E Paoli vs Keres, 1973 (C45) Scotch Game, 28 moves, 0-1 L Popov vs Kunsztowicz, 1973 (E89) King's Indian, Samisch, Orthodox Main line, 33 moves, 1-0 Keene vs Hecht, 1973 (A04) Reti Opening, 24 moves, 1/2-1/2 A Suess vs H Kestler, 1973 (B60) Sicilian, Richter-Rauzer, 33 moves, 0-1 H Westerinen vs Ulf Andersson, 1973  (B47) Sicilian, Taimanov (Bastrikov) Variation, 56 moves, 0-1 Round Six J Dueball vs E Paoli, 1973 (B36) Sicilian, Accelerated Fianchetto, 57 moves, 1/2-1/2 H Westerinen vs D Marovic, 1973 (C18) French, Winawer, 49 moves, 0-1 M Gerusel vs A Suess, 1973 (A15) English, 52 moves, 0-1 Keres vs L Popov, 1973  (B43) Sicilian, Kan, 5.Nc3, 38 moves, 0-1 H Kestler vs Spassky, 1973  (B68) Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 9...Be7, 26 moves, 0-1 Kunsztowicz vs Keene, 1973   (A50) Queen's Pawn Game, 39 moves, 0-1 Ulf Andersson vs Hecht, 1973 (B39) Sicilian, Accelerated Fianchetto, Breyer Variation, 19 moves, 1/2-1/2 V Ciocaltea vs Parma, 1973 (E19) Queen's Indian, Old Main line, 9.Qxc3, 26 moves, 1/2-1/2 Round Seven D Marovic vs Ulf Andersson, 1973  (A30) English, Symmetrical, 14 moves, 1/2-1/2 E Paoli vs H Kestler, 1973 (B57) Sicilian, 42 moves, 0-1 Parma vs H Westerinen, 1973 (C72) Ruy Lopez, Modern Steinitz Defense, 5.O-O, 63 moves, 1/2-1/2 Hecht vs Kunsztowicz, 1973 (B31) Sicilian, Rossolimo Variation, 35 moves, 0-1 Keene vs Keres, 1973  (A07) King's Indian Attack, 98 moves, 1/2-1/2 Spassky vs M Gerusel, 1973 (B42) Sicilian, Kan, 42 moves, 1-0 A Suess vs V Ciocaltea, 1973 (B15) Caro-Kann, 43 moves, 1/2-1/2 L Popov vs J Dueball, 1973 (E73) King's Indian, 22 moves, 1/2-1/2 Round Eight J Dueball vs Keene, 1973  (E32) Nimzo-Indian, Classical, 33 moves, 1/2-1/2 M Gerusel vs E Paoli, 1973 (D43) Queen's Gambit Declined Semi-Slav, 38 moves, 1-0 Keres vs Hecht, 1973 (C05) French, Tarrasch, 27 moves, 1/2-1/2 H Kestler vs L Popov, 1973 (E66) King's Indian, Fianchetto, Yugoslav Panno, 36 moves, 1/2-1/2 D Marovic vs Parma, 1973 (A33) English, Symmetrical, 17 moves, 1/2-1/2 H Westerinen vs A Suess, 1973 (A07) King's Indian Attack, 24 moves, 1-0 Ulf Andersson vs Kunsztowicz, 1973 (A15) English, 74 moves, 1-0 V Ciocaltea vs Spassky, 1973 (C95) Ruy Lopez, Closed, Breyer, 25 moves, 1/2-1/2 Round Nine Kunsztowicz vs Keres, 1973 (E31) Nimzo-Indian, Leningrad, Main line, 47 moves, 1/2-1/2 Hecht vs J Dueball, 1973 (B36) Sicilian, Accelerated Fianchetto, 73 moves, 1-0 Keene vs H Kestler, 1973 (E63) King's Indian, Fianchetto, Panno Variation, 38 moves, 1/2-1/2 E Paoli vs V Ciocaltea, 1973 (B56) Sicilian, 68 moves, 0-1 Parma vs Ulf Andersson, 1973 (B15) Caro-Kann, 15 moves, 1/2-1/2 L Popov vs M Gerusel, 1973 (A58) Benko Gambit, 52 moves, 1-0 Spassky vs H Westerinen, 1973 (C73) Ruy Lopez, Modern Steinitz Defense, 33 moves, 1-0 A Suess vs D Marovic, 1973 (B02) Alekhine's Defense, 47 moves, 0-1 Round Ten Parma vs A Suess, 1973 (B71) Sicilian, Dragon, Levenfish Variation, 26 moves, 1/2-1/2 Ulf Andersson vs Keres, 1973 (A04) Reti Opening, 15 moves, 1/2-1/2 V Ciocaltea vs L Popov, 1973 (D68) Queen's Gambit Declined, Orthodox Defense, Classical, 16 moves, 1/2-1/2 J Dueball vs Kunsztowicz, 1973 (A03) Bird's Opening, 18 moves, 1/2-1/2 M Gerusel vs Keene, 1973 (E72) King's Indian, 27 moves, 1/2-1/2 H Kestler vs Hecht, 1973 (A29) English, Four Knights, Kingside Fianchetto, 25 moves, 1/2-1/2 D Marovic vs Spassky, 1973  (D17) Queen's Gambit Declined Slav, 18 moves, 1/2-1/2 H Westerinen vs E Paoli, 1973 (C43) Petrov, Modern Attack, 52 moves, 0-1 Round Eleven Spassky vs Parma, 1973 (B36) Sicilian, Accelerated Fianchetto, 22 moves, 1/2-1/2 Keene vs V Ciocaltea, 1973 (A87) Dutch, Leningrad, Main Variation, 49 moves, 1/2-1/2 Keres vs J Dueball, 1973 (E60) King's Indian Defense, 35 moves, 1/2-1/2 Kunsztowicz vs H Kestler, 1973 (B09) Pirc, Austrian Attack, 37 moves, 0-1 E Paoli vs D Marovic, 1973 (C03) French, Tarrasch, 33 moves, 1-0 L Popov vs H Westerinen, 1973 (E83) King's Indian, Samisch, 28 moves, 1/2-1/2 Hecht vs M Gerusel, 1973 (A04) Reti Opening, 42 moves, 1-0 A Suess vs Ulf Andersson, 1973 (B47) Sicilian, Taimanov (Bastrikov) Variation, 25 moves, 1/2-1/2 Round Twelve V Ciocaltea vs Hecht, 1973 (B04) Alekhine's Defense, Modern, 25 moves, 1/2-1/2 M Gerusel vs Kunsztowicz, 1973 (E60) King's Indian Defense, 25 moves, 1/2-1/2 H Kestler vs Keres, 1973 (A07) King's Indian Attack, 35 moves, 0-1 D Marovic vs L Popov, 1973 (A56) Benoni Defense, 19 moves, 1/2-1/2 Parma vs E Paoli, 1973 (C43) Petrov, Modern Attack, 16 moves, 1/2-1/2 Ulf Andersson vs J Dueball, 1973 (A15) English, 23 moves, 1/2-1/2 A Suess vs Spassky, 1973  (B90) Sicilian, Najdorf, 38 moves, 0-1 H Westerinen vs Keene, 1973 (A04) Reti Opening, 48 moves, 0-1 Round Thirteen L Popov vs Parma, 1973 (E17) Queen's Indian, 20 moves, 1/2-1/2 Kunsztowicz vs V Ciocaltea, 1973 (E75) King's Indian, Averbakh, Main line, 24 moves, 1/2-1/2 E Paoli vs A Suess, 1973 (B23) Sicilian, Closed, 17 moves, 1/2-1/2 J Dueball vs H Kestler, 1973 (A00) Uncommon Opening, 15 moves, 1/2-1/2 Spassky vs Ulf Andersson, 1973 (C16) French, Winawer, 26 moves, 1/2-1/2 Keene vs D Marovic, 1973 (E68) King's Indian, Fianchetto, Classical Variation, 8.e4, 15 moves, 1/2-1/2 Keres vs M Gerusel, 1973 (B46) Sicilian, Taimanov Variation, 39 moves, 1/2-1/2 Hecht vs H Westerinen, 1973 (A04) Reti Opening, 32 moves, 1/2-1/2 Round Fourteen M Gerusel vs J Dueball, 1973 (A79) Benoni, Classical, 11.f3, 44 moves, 1/2-1/2 V Ciocaltea vs Keres, 1973 (C72) Ruy Lopez, Modern Steinitz Defense, 5.O-O, 14 moves, 1/2-1/2 H Westerinen vs Kunsztowicz, 1973 (B58) Sicilian, 32 moves, 0-1 Ulf Andersson vs H Kestler, 1973 (A16) English, 23 moves, 1/2-1/2 D Marovic vs Hecht, 1973 (A17) English, 39 moves, 1/2-1/2 Parma vs Keene, 1973 (B09) Pirc, Austrian Attack, 44 moves, 1-0 Spassky vs E Paoli, 1973 (D43) Queen's Gambit Declined Semi-Slav, 41 moves, 1/2-1/2 A Suess vs L Popov, 1973 (B43) Sicilian, Kan, 5.Nc3, 17 moves, 1/2-1/2 Round Fifteen E Paoli vs Ulf Andersson, 1973  (B49) Sicilian, Taimanov Variation, 40 moves, 0-1 Hecht vs Parma, 1973 (B31) Sicilian, Rossolimo Variation, 13 moves, 1/2-1/2 Keene vs A Suess, 1973 (A07) King's Indian Attack, 19 moves, 1-0 Keres vs H Westerinen, 1973 (C87) Ruy Lopez, 49 moves, 1/2-1/2 H Kestler vs M Gerusel, 1973 (D55) Queen's Gambit Declined, 26 moves, 1/2-1/2 Kunsztowicz vs D Marovic, 1973 (D18) Queen's Gambit Declined Slav, Dutch, 39 moves, 0-1 J Dueball vs V Ciocaltea, 1973 (B15) Caro-Kann, 8 moves, 1/2-1/2 L Popov vs Spassky, 1973 (D37) Queen's Gambit Declined, 19 moves, 1/2-1/2