Round 1 (Sunday, March 29) Korchnoi vs A Bisguier, 1981 (D11) Queen's Gambit Declined Slav, 45 moves, 1-0 Round 1 (Sunday, March 29) Seirawan vs I Ivanov, 1981 (D61) Queen's Gambit Declined, Orthodox, Rubinstein Attack, 68 moves, 1/2-1/2 Round 1 (Sunday, March 29) J L Watson vs Sosonko, 1981 (A29) English, Four Knights, Kingside Fianchetto, 18 moves, 1/2-1/2 Round 1 (Sunday, March 29) Gligoric vs D Gurevich, 1981 (A57) Benko Gambit, 43 moves, 1-0 Round 1 (Sunday, March 29) B M Kogan vs A Yusupov, 1981 (A46) Queen's Pawn Game, 26 moves, 1/2-1/2 Round 1 (Sunday, March 29) D J Strauss vs L Christiansen, 1981 (A04) Reti Opening, 28 moves, 0-1 Round 1 (Sunday, March 29) M Wilder vs J Tarjan, 1981  (E12) Queen's Indian, 47 moves, 0-1 Round 1 (Sunday, March 29) H Pfleger vs de Firmian, 1981 (A30) English, Symmetrical, 66 moves, 1/2-1/2 Round 1 (Sunday, March 29) K Burger vs B Ivanovic, 1981 (A04) Reti Opening, 39 moves, 1-0 Round 1 (Sunday, March 29) R Henley vs B Larsen, 1981  (E11) Bogo-Indian Defense, 48 moves, 0-1 Round 1 (Sunday, March 29) D H Campora vs K Shirazi, 1981  (B69) Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 11.Bxf6, 59 moves, 1/2-1/2 Round 1 (Sunday, March 29) Alburt vs G Sigurjonsson, 1981 (A29) English, Four Knights, Kingside Fianchetto, 61 moves, 1-0 Round 1 (Sunday, March 29) Romanishin vs Fedorowicz, 1981  (A07) King's Indian Attack, 54 moves, 1-0 Round 1 (Sunday, March 29) Kudrin vs Ivkov, 1981  (C55) Two Knights Defense, 36 moves, 1-0 Round 1 (Sunday, March 29) V Frias Pablaza vs H Ree, 1981 (B83) Sicilian, 51 moves, 1/2-1/2 Round 1 (Sunday, March 29) Lombardy vs V Zaltsman, 1981  (B31) Sicilian, Rossolimo Variation, 45 moves, 1-0 Round 1 (Sunday, March 29) Shamkovich vs Hjartarson, 1981  (B90) Sicilian, Najdorf, 23 moves, 1-0 Round 1 (Sunday, March 29) J Grefe vs Y Gruenfeld, 1981 (B22) Sicilian, Alapin, 43 moves, 1-0 Round 1 (Sunday, March 29) L Gutman vs J Whitehead, 1981 (E27) Nimzo-Indian, Samisch Variation, 73 moves, 0-1 Round 1 (Sunday, March 29) Benjamin vs A Lein, 1981 (B70) Sicilian, Dragon Variation, 39 moves, 0-1 Round 1 (Sunday, March 29) A Soltis vs W J Donaldson, 1981 (B23) Sicilian, Closed, 43 moves, 0-1 Round 1 (Sunday, March 29) I Wells vs P Biyiasas, 1981  (C69) Ruy Lopez, Exchange, Gligoric Variation, 51 moves, 0-1 Round 1 (Sunday, March 29) V Liberzon vs R Sulman, 1981 (C03) French, Tarrasch, 29 moves, 1-0 Round 1 (Sunday, March 29) N Davies vs Benko, 1981 (C65) Ruy Lopez, Berlin Defense, 62 moves, 0-1 Round 1 (Sunday, March 29) V McCambridge vs I A Dahlberg, 1981 (A07) King's Indian Attack, 19 moves, 0-1 Round 1 (Sunday, March 29) P Youngworth vs J Arnason, 1981 (A64) Benoni, Fianchetto, 11...Re8, 50 moves, 0-1 Round 1 (Sunday, March 29) Reshevsky vs J Bradford, 1981 (A31) English, Symmetrical, Benoni Formation, 77 moves, 1-0 Round 1 (Sunday, March 29) A Kuligowski vs M Brooks, 1981 (E80) King's Indian, Samisch Variation, 46 moves, 0-1 Round 1 (Sunday, March 29) J Peters vs D Root, 1981 (C05) French, Tarrasch, 45 moves, 1/2-1/2 Round 1 (Sunday, March 29) Dzindzichashvili vs J Hebert, 1981 (E60) King's Indian Defense, 35 moves, 0-1 Round 2 (Monday, March 30) I A Dahlberg vs Korchnoi, 1981  (E11) Bogo-Indian Defense, 22 moves, 0-1 Round 2 (Monday, March 30) de Firmian vs Seirawan, 1981 (B18) Caro-Kann, Classical, 38 moves, 0-1 Round 2 (Monday, March 30) Sosonko vs B M Kogan, 1981 (D15) Queen's Gambit Declined Slav, 35 moves, 1-0 Round 2 (Monday, March 30) J Hebert vs Gligoric, 1981 (A00) Uncommon Opening, 46 moves, 1/2-1/2 Round 2 (Monday, March 30) A Yusupov vs V Frias Pablaza, 1981 (E16) Queen's Indian, 51 moves, 1-0 Round 2 (Monday, March 30) L Christiansen vs J Grefe, 1981  (A70) Benoni, Classical with 7.Nf3, 38 moves, 1-0 Round 2 (Monday, March 30) J Tarjan vs Kudrin, 1981  (C92) Ruy Lopez, Closed, 101 moves, 1/2-1/2 Round 2 (Monday, March 30) I Ivanov vs H Pfleger, 1981 (B07) Pirc, 23 moves, 0-1 Round 2 (Monday, March 30) B Ivanovic vs Benjamin, 1981 (B17) Caro-Kann, Steinitz Variation, 32 moves, 1-0 Round 2 (Monday, March 30) R Sulman vs R Henley, 1981  (B07) Pirc, 46 moves, 0-1 Round 2 (Monday, March 30) D Root vs D H Campora, 1981 (D04) Queen's Pawn Game, 55 moves, 1-0 Round 2 (Monday, March 30) P Biyiasas vs Alburt, 1981 (A04) Reti Opening, 34 moves, 1-0 Round 2 (Monday, March 30) J Arnason vs Romanishin, 1981 (B46) Sicilian, Taimanov Variation, 33 moves, 0-1 Round 2 (Monday, March 30) Ivkov vs M Wilder, 1981 (A57) Benko Gambit, 31 moves, 1/2-1/2 Round 2 (Monday, March 30) B Larsen vs V Liberzon, 1981 (A21) English, 29 moves, 1-0 Round 2 (Monday, March 30) K Shirazi vs J Peters, 1981 (B15) Caro-Kann, 30 moves, 1-0 Round 2 (Monday, March 30) H Ree vs J L Watson, 1981 (E84) King's Indian, Samisch, Panno Main line, 24 moves, 1-0 Round 2 (Monday, March 30) W J Donaldson vs Lombardy, 1981 (A15) English, 18 moves, 1/2-1/2 Round 2 (Monday, March 30) M Brooks vs Shamkovich, 1981  (B81) Sicilian, Scheveningen, Keres Attack, 41 moves, 1/2-1/2 Round 2 (Monday, March 30) Y Gruenfeld vs D J Strauss, 1981 (B01) Scandinavian, 47 moves, 1-0 Round 2 (Monday, March 30) J Bradford vs L Gutman, 1981 (D74) Neo-Grunfeld, 6.cd Nxd5, 7.O-O, 38 moves, 1/2-1/2 Round 2 (Monday, March 30) G Sigurjonsson vs I Wells, 1981 (A07) King's Indian Attack, 35 moves, 1-0 Round 2 (Monday, March 30) A Lein vs K Burger, 1981 (E12) Queen's Indian, 20 moves, 1/2-1/2 Round 2 (Monday, March 30) Fedorowicz vs V McCambridge, 1981 (B90) Sicilian, Najdorf, 32 moves, 1/2-1/2 Round 2 (Monday, March 30) V Zaltsman vs A Soltis, 1981 (E62) King's Indian, Fianchetto, 36 moves, 0-1 Round 2 (Monday, March 30) Hjartarson vs A Kuligowski, 1981  (A13) English, 44 moves, 1-0 Round 2 (Monday, March 30) Benko vs J Thinnsen, 1981 (B10) Caro-Kann, 44 moves, 1-0 Round 2 (Monday, March 30) A Bisguier vs N Davies, 1981  (D02) Queen's Pawn Game, 45 moves, 0-1 Round 2 (Monday, March 30) J Whitehead vs Reshevsky, 1981 (C50) Giuoco Piano, 15 moves, 1/2-1/2 Round 2 (Monday, March 30) D Gurevich vs Dzindzichashvili, 1981 (E41) Nimzo-Indian, 42 moves, 1-0 Round 3 (Tuesday, March 31) Korchnoi vs J Tarjan, 1981  (E12) Queen's Indian, 30 moves, 1-0 Round 3 (Tuesday, March 31) Seirawan vs P Biyiasas, 1981  (A48) King's Indian, 52 moves, 1-0 Round 3 (Tuesday, March 31) Reshevsky vs Sosonko, 1981 (E12) Queen's Indian, 27 moves, 1/2-1/2 Round 3 (Tuesday, March 31) Gligoric vs W J Donaldson, 1981 (D19) Queen's Gambit Declined Slav, Dutch, 23 moves, 1/2-1/2 Round 3 (Tuesday, March 31) Kudrin vs A Yusupov, 1981 (B33) Sicilian, 20 moves, 1/2-1/2 Round 3 (Tuesday, March 31) L Christiansen vs B Larsen, 1981  (E16) Queen's Indian, 107 moves, 1/2-1/2 Round 3 (Tuesday, March 31) H Pfleger vs D Root, 1981  (A10) English, 43 moves, 1-0 Round 3 (Tuesday, March 31) J Grefe vs B Ivanovic, 1981 (B20) Sicilian, 28 moves, 0-1 Round 3 (Tuesday, March 31) R Henley vs P Youngworth, 1981 (E94) King's Indian, Orthodox, 31 moves, 1-0 Round 3 (Tuesday, March 31) D H Campora vs M Wilder, 1981 (B16) Caro-Kann, Bronstein-Larsen Variation, 40 moves, 1/2-1/2 Round 3 (Tuesday, March 31) Alburt vs J Whitehead, 1981  (E04) Catalan, Open, 5.Nf3, 52 moves, 1-0 Round 3 (Tuesday, March 31) Romanishin vs Benko, 1981 (B23) Sicilian, Closed, 42 moves, 1/2-1/2 Round 3 (Tuesday, March 31) Shamkovich vs K Shirazi, 1981  (E97) King's Indian, 35 moves, 0-1 Round 3 (Tuesday, March 31) K Burger vs H Ree, 1981 (E90) King's Indian, 24 moves, 0-1 Round 3 (Tuesday, March 31) Lombardy vs J Hebert, 1981 (E10) Queen's Pawn Game, 26 moves, 1-0 Round 3 (Tuesday, March 31) B M Kogan vs Ivkov, 1981 (A49) King's Indian, Fianchetto without c4, 54 moves, 1/2-1/2 Round 3 (Tuesday, March 31) G Sigurjonsson vs Y Gruenfeld, 1981 (A05) Reti Opening, 62 moves, 1/2-1/2 Round 3 (Tuesday, March 31) L Gutman vs de Firmian, 1981  (A30) English, Symmetrical, 33 moves, 1-0 Round 3 (Tuesday, March 31) M Brooks vs A Lein, 1981 (B15) Caro-Kann, 44 moves, 0-1 Round 3 (Tuesday, March 31) J Peters vs I Ivanov, 1981 (B56) Sicilian, 31 moves, 0-1 Round 3 (Tuesday, March 31) V Frias Pablaza vs Fedorowicz, 1981 (B58) Sicilian, 58 moves, 1/2-1/2 Round 3 (Tuesday, March 31) A Soltis vs D Gurevich, 1981  (B89) Sicilian, 22 moves, 1-0 Round 3 (Tuesday, March 31) V Liberzon vs Hjartarson, 1981 (B93) Sicilian, Najdorf, 6.f4, 31 moves, 1-0 Round 3 (Tuesday, March 31) V McCambridge vs Dzindzichashvili, 1981 (E15) Queen's Indian, 37 moves, 1/2-1/2 Round 3 (Tuesday, March 31) Benjamin vs A Bisguier, 1981 (A00) Uncommon Opening, 25 moves, 0-1 Round 3 (Tuesday, March 31) J Thinnsen vs J Arnason, 1981 (A34) English, Symmetrical, 60 moves, 0-1 Round 3 (Tuesday, March 31) I Wells vs V Zaltsman, 1981 (B67) Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7, 62 moves, 0-1 Round 3 (Tuesday, March 31) N Davies vs I A Dahlberg, 1981 (C15) French, Winawer, 31 moves, 0-1 Round 3 (Tuesday, March 31) A Kuligowski vs D J Strauss, 1981  (A11) English, Caro-Kann Defensive System, 69 moves, 1/2-1/2 Round 3 (Tuesday, March 31) J L Watson vs J Bradford, 1981 (A13) English, 45 moves, 1/2-1/2 Round 4 (Wednesday, April 1) B Larsen vs Korchnoi, 1981  (B83) Sicilian, 60 moves, 1/2-1/2 Round 4 (Wednesday, April 1) A Lein vs Seirawan, 1981 (A46) Queen's Pawn Game, 36 moves, 1/2-1/2 Round 4 (Wednesday, April 1) Sosonko vs I A Dahlberg, 1981 (E08) Catalan, Closed, 19 moves, 1/2-1/2 Round 4 (Wednesday, April 1) P Biyiasas vs Gligoric, 1981 (A07) King's Indian Attack, 43 moves, 0-1 Round 4 (Wednesday, April 1) A Yusupov vs R Henley, 1981  (D07) Queen's Gambit Declined, Chigorin Defense, 90 moves, 1/2-1/2 Round 4 (Wednesday, April 1) Benko vs L Christiansen, 1981 (B30) Sicilian, 27 moves, 1/2-1/2 Round 4 (Wednesday, April 1) J Tarjan vs V Liberzon, 1981 (D58) Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst, 45 moves, 1/2-1/2 Round 4 (Wednesday, April 1) H Pfleger vs Romanishin, 1981 (A49) King's Indian, Fianchetto without c4, 38 moves, 1/2-1/2 Round 4 (Wednesday, April 1) B Ivanovic vs Kudrin, 1981 (B76) Sicilian, Dragon, Yugoslav Attack, 54 moves, 1/2-1/2 Round 4 (Wednesday, April 1) Hjartarson vs D H Campora, 1981 (D50) Queen's Gambit Declined, 48 moves, 1/2-1/2 Round 4 (Wednesday, April 1) K Shirazi vs Alburt, 1981  (B02) Alekhine's Defense, 22 moves, 1-0 Round 4 (Wednesday, April 1) M Wilder vs P Youngworth, 1981 (E12) Queen's Indian, 35 moves, 1/2-1/2 Round 4 (Wednesday, April 1) H Ree vs Lombardy, 1981 (D22) Queen's Gambit Accepted, 13 moves, 1/2-1/2 Round 4 (Wednesday, April 1) J Hebert vs Shamkovich, 1981 (B44) Sicilian, 45 moves, 0-1 Round 4 (Wednesday, April 1) J Bradford vs B M Kogan, 1981 (A04) Reti Opening, 68 moves, 1/2-1/2 Round 4 (Wednesday, April 1) Y Gruenfeld vs K Burger, 1981 (A45) Queen's Pawn Game, 39 moves, 1/2-1/2 Round 4 (Wednesday, April 1) D Root vs L Gutman, 1981 (D77) Neo-Grunfeld, 6.O-O, 46 moves, 0-1 Round 4 (Wednesday, April 1) J Whitehead vs G Sigurjonsson, 1981 (A14) English, 16 moves, 1/2-1/2 Round 4 (Wednesday, April 1) I Ivanov vs M Brooks, 1981 (E92) King's Indian, 39 moves, 1-0 Round 4 (Wednesday, April 1) W J Donaldson vs Reshevsky, 1981 (A04) Reti Opening, 16 moves, 1/2-1/2 Round 4 (Wednesday, April 1) Fedorowicz vs N Davies, 1981 (B16) Caro-Kann, Bronstein-Larsen Variation, 40 moves, 1-0 Round 4 (Wednesday, April 1) J Arnason vs A Soltis, 1981  (B06) Robatsch, 37 moves, 1/2-1/2 Round 4 (Wednesday, April 1) Ivkov vs J Grefe, 1981  (A73) Benoni, Classical, 9.O-O, 74 moves, 1/2-1/2 Round 4 (Wednesday, April 1) D Gurevich vs V McCambridge, 1981 (E42) Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein), 42 moves, 0-1 Round 4 (Wednesday, April 1) A Bisguier vs V Frias Pablaza, 1981 (D02) Queen's Pawn Game, 35 moves, 1/2-1/2 Round 4 (Wednesday, April 1) V Zaltsman vs J Thinnsen, 1981 (E44) Nimzo-Indian, Fischer Variation, 5.Ne2, 63 moves, 1-0 Round 4 (Wednesday, April 1) de Firmian vs Benjamin, 1981 (B16) Caro-Kann, Bronstein-Larsen Variation, 34 moves, 1/2-1/2 Round 4 (Wednesday, April 1) Dzindzichashvili vs A Kuligowski, 1981 (D02) Queen's Pawn Game, 24 moves, 1/2-1/2 Round 4 (Wednesday, April 1) R Sulman vs J L Watson, 1981 (C05) French, Tarrasch, 27 moves, 0-1 Round 4 (Wednesday, April 1) D J Strauss vs J Peters, 1981 (A17) English, 59 moves, 1-0 Round 5 (Friday, April 2) Korchnoi vs K Shirazi, 1981  (A43) Old Benoni, 37 moves, 1-0 Round 5 (Friday, April 2) Seirawan vs H Pfleger, 1981 (A10) English, 51 moves, 1-0 Round 5 (Friday, April 2) R Henley vs Sosonko, 1981 (E12) Queen's Indian, 39 moves, 1/2-1/2 Round 5 (Friday, April 2) Gligoric vs A Lein, 1981 (E42) Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein), 52 moves, 1/2-1/2 Round 5 (Friday, April 2) V Liberzon vs A Yusupov, 1981 (A64) Benoni, Fianchetto, 11...Re8, 47 moves, 0-1 Round 5 (Friday, April 2) L Christiansen vs H Ree, 1981 (D43) Queen's Gambit Declined Semi-Slav, 78 moves, 1-0 Round 5 (Friday, April 2) J L Watson vs J Tarjan, 1981 (A13) English, 22 moves, 1/2-1/2 Round 5 (Friday, April 2) L Gutman vs B Ivanovic, 1981 (A04) Reti Opening, 46 moves, 0-1 Round 5 (Friday, April 2) D H Campora vs J Hebert, 1981 (C02) French, Advance, 56 moves, 1-0 Round 5 (Friday, April 2) Alburt vs Fedorowicz, 1981  (A29) English, Four Knights, Kingside Fianchetto, 45 moves, 0-1 Round 5 (Friday, April 2) Romanishin vs B Larsen, 1981 (A06) Reti Opening, 30 moves, 1/2-1/2 Round 5 (Friday, April 2) V Frias Pablaza vs M Wilder, 1981 (B15) Caro-Kann, 43 moves, 0-1 Round 5 (Friday, April 2) A Soltis vs Kudrin, 1981 (B33) Sicilian, 41 moves, 1-0 Round 5 (Friday, April 2) Lombardy vs Benko, 1981 (D57) Queen's Gambit Declined, Lasker Defense, 28 moves, 1/2-1/2 Round 5 (Friday, April 2) Shamkovich vs J Arnason, 1981 (B90) Sicilian, Najdorf, 58 moves, 1-0 Round 5 (Friday, April 2) B M Kogan vs D Root, 1981 (E80) King's Indian, Samisch Variation, 47 moves, 1/2-1/2 Round 5 (Friday, April 2) V Zaltsman vs Y Gruenfeld, 1981 (A77) Benoni, Classical, 9...Re8, 10.Nd2, 45 moves, 1/2-1/2 Round 5 (Friday, April 2) V McCambridge vs G Sigurjonsson, 1981 (B99) Sicilian, Najdorf, 7...Be7 Main line, 37 moves, 1-0 Round 5 (Friday, April 2) Reshevsky vs I Ivanov, 1981 (A36) English, 47 moves, 1/2-1/2 Round 5 (Friday, April 2) I A Dahlberg vs W J Donaldson, 1981 (A30) English, Symmetrical, 29 moves, 1/2-1/2 Round 5 (Friday, April 2) K Burger vs P Biyiasas, 1981 (E67) King's Indian, Fianchetto, 62 moves, 1-0 Round 5 (Friday, April 2) Ivkov vs J Whitehead, 1981 (E12) Queen's Indian, 53 moves, 1-0 Round 5 (Friday, April 2) Hjartarson vs A Bisguier, 1981 (C67) Ruy Lopez, 17 moves, 1/2-1/2 Round 5 (Friday, April 2) J Grefe vs J Bradford, 1981 (C18) French, Winawer, 21 moves, 1/2-1/2 Round 5 (Friday, April 2) M Brooks vs D J Strauss, 1981 (C18) French, Winawer, 41 moves, 1-0 Round 5 (Friday, April 2) P Youngworth vs Dzindzichashvili, 1981 (E41) Nimzo-Indian, 59 moves, 0-1 Round 5 (Friday, April 2) A Kuligowski vs I Wells, 1981 (E12) Queen's Indian, 69 moves, 0-1 Round 5 (Friday, April 2) J Thinnsen vs de Firmian, 1981 (A30) English, Symmetrical, 38 moves, 0-1 Round 5 (Friday, April 2) N Davies vs D Gurevich, 1981  (B07) Pirc, 97 moves, 1/2-1/2 Round 5 (Friday, April 2) J Peters vs R Sulman, 1981  (C60) Ruy Lopez, 14 moves, 1-0 Makeup game (Friday, April 3?) J Thinnsen vs I Wells, 1981  (E17) Queen's Indian, 96 moves, 1/2-1/2 Round 6 (Sunday, April 5) L Christiansen vs Korchnoi, 1981 (A07) King's Indian Attack, 35 moves, 1/2-1/2 Round 6 (Sunday, April 5) B Larsen vs Seirawan, 1981  (B18) Caro-Kann, Classical, 64 moves, 1/2-1/2 Round 6 (Sunday, April 5) Sosonko vs I Ivanov, 1981 (E15) Queen's Indian, 39 moves, 1-0 Round 6 (Sunday, April 5) K Shirazi vs Gligoric, 1981 (D32) Queen's Gambit Declined, Tarrasch, 44 moves, 1/2-1/2 Round 6 (Sunday, April 5) A Yusupov vs A Soltis, 1981  (A42) Modern Defense, Averbakh System, 28 moves, 1-0 Round 6 (Sunday, April 5) J Tarjan vs L Gutman, 1981  (B81) Sicilian, Scheveningen, Keres Attack, 22 moves, 1-0 Round 6 (Sunday, April 5) W J Donaldson vs H Pfleger, 1981 (B08) Pirc, Classical, 34 moves, 1/2-1/2 Round 6 (Sunday, April 5) B Ivanovic vs Romanishin, 1981 (B46) Sicilian, Taimanov Variation, 53 moves, 1/2-1/2 Round 6 (Sunday, April 5) H Ree vs R Henley, 1981  (D22) Queen's Gambit Accepted, 33 moves, 1-0 Round 6 (Sunday, April 5) Kudrin vs D H Campora, 1981 (C09) French, Tarrasch, Open Variation, Main line, 61 moves, 1/2-1/2 Round 6 (Sunday, April 5) de Firmian vs Alburt, 1981  (B05) Alekhine's Defense, Modern, 68 moves, 0-1 Round 6 (Sunday, April 5) M Wilder vs V Liberzon, 1981  (A80) Dutch, 32 moves, 1-0 Round 6 (Sunday, April 5) A Lein vs Lombardy, 1981  (E10) Queen's Pawn Game, 37 moves, 1-0 Round 6 (Sunday, April 5) Benko vs Shamkovich, 1981 (A34) English, Symmetrical, 15 moves, 1/2-1/2 Round 6 (Sunday, April 5) J Whitehead vs B M Kogan, 1981  (B40) Sicilian, 35 moves, 0-1 Round 6 (Sunday, April 5) Y Gruenfeld vs J L Watson, 1981 (C05) French, Tarrasch, 37 moves, 1-0 Round 6 (Sunday, April 5) G Sigurjonsson vs D Root, 1981 (A05) Reti Opening, 39 moves, 1-0 Round 6 (Sunday, April 5) Fedorowicz vs Reshevsky, 1981  (C91) Ruy Lopez, Closed, 45 moves, 1-0 Round 6 (Sunday, April 5) I A Dahlberg vs K Burger, 1981 (A19) English, Mikenas-Carls, Sicilian Variation, 27 moves, 1-0 Round 6 (Sunday, April 5) P Biyiasas vs Hjartarson, 1981 (A07) King's Indian Attack, 42 moves, 1/2-1/2 Round 6 (Sunday, April 5) V McCambridge vs Ivkov, 1981 (E15) Queen's Indian, 39 moves, 1/2-1/2 Round 6 (Sunday, April 5) A Bisguier vs J Grefe, 1981 (A04) Reti Opening, 39 moves, 1-0 Round 6 (Sunday, April 5) J Arnason vs V Zaltsman, 1981 (B62) Sicilian, Richter-Rauzer, 47 moves, 1/2-1/2 Round 6 (Sunday, April 5) Dzindzichashvili vs M Brooks, 1981  (E67) King's Indian, Fianchetto, 63 moves, 0-1 Round 6 (Sunday, April 5) I Wells vs Benjamin, 1981 (B13) Caro-Kann, Exchange, 33 moves, 0-1 Round 6 (Sunday, April 5) D Gurevich vs P Youngworth, 1981 (B12) Caro-Kann Defense, 34 moves, 1/2-1/2 Round 6 (Sunday, April 5) D J Strauss vs V Frias Pablaza, 1981 (D46) Queen's Gambit Declined Semi-Slav, 24 moves, 0-1 Round 6 (Sunday, April 5) J Bradford vs J Peters, 1981 (E12) Queen's Indian, 66 moves, 1/2-1/2 Round 6 (Sunday, April 5) J Hebert vs N Davies, 1981 (B10) Caro-Kann, 32 moves, 0-1 Round 6 (Sunday, April 5) R Sulman vs J Thinnsen, 1981  (B23) Sicilian, Closed, 45 moves, 1/2-1/2 Round 7 (Monday, April 6) Korchnoi vs A Yusupov, 1981  (D12) Queen's Gambit Declined Slav, 40 moves, 1-0 Round 7 (Monday, April 6) Seirawan vs L Christiansen, 1981 (D37) Queen's Gambit Declined, 44 moves, 1-0 Round 7 (Monday, April 6) Fedorowicz vs Sosonko, 1981 (B76) Sicilian, Dragon, Yugoslav Attack, 33 moves, 0-1 Round 7 (Monday, April 6) Gligoric vs I A Dahlberg, 1981  (D48) Queen's Gambit Declined Semi-Slav, Meran, 37 moves, 1-0 Round 7 (Monday, April 6) A Soltis vs J Tarjan, 1981 (B90) Sicilian, Najdorf, 63 moves, 0-1 Round 7 (Monday, April 6) H Pfleger vs V McCambridge, 1981  (D58) Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst, 33 moves, 1-0 Round 7 (Monday, April 6) K Shirazi vs B Ivanovic, 1981 (A44) Old Benoni Defense, 48 moves, 1-0 Round 7 (Monday, April 6) R Henley vs Kudrin, 1981 (E12) Queen's Indian, 47 moves, 1-0 Round 7 (Monday, April 6) D H Campora vs V Zaltsman, 1981 (B67) Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7, 81 moves, 1-0 Round 7 (Monday, April 6) Alburt vs W J Donaldson, 1981 (D11) Queen's Gambit Declined Slav, 42 moves, 1-0 Round 7 (Monday, April 6) Romanishin vs A Lein, 1981 (E15) Queen's Indian, 41 moves, 1-0 Round 7 (Monday, April 6) Lombardy vs M Wilder, 1981  (A57) Benko Gambit, 44 moves, 1-0 Round 7 (Monday, April 6) Benko vs B Larsen, 1981 (E08) Catalan, Closed, 47 moves, 0-1 Round 7 (Monday, April 6) Shamkovich vs H Ree, 1981 (C05) French, Tarrasch, 48 moves, 1/2-1/2 Round 7 (Monday, April 6) Reshevsky vs B M Kogan, 1981 (A75) Benoni, Classical with ...a6 and 10...Bg4, 57 moves, 1/2-1/2 Round 7 (Monday, April 6) M Brooks vs Y Gruenfeld, 1981 (A07) King's Indian Attack, 36 moves, 0-1 Round 7 (Monday, April 6) L Gutman vs N Davies, 1981 (A41) Queen's Pawn Game (with ...d6), 26 moves, 1-0 Round 7 (Monday, April 6) Ivkov vs G Sigurjonsson, 1981 (E12) Queen's Indian, 29 moves, 1/2-1/2 Round 7 (Monday, April 6) I Ivanov vs J Arnason, 1981 (A65) Benoni, 6.e4, 44 moves, 1-0 Round 7 (Monday, April 6) K Burger vs A Bisguier, 1981 (D43) Queen's Gambit Declined Semi-Slav, 42 moves, 1-0 Round 7 (Monday, April 6) Benjamin vs P Biyiasas, 1981 (E97) King's Indian, 40 moves, 0-1 Round 7 (Monday, April 6) V Liberzon vs J Bradford, 1981 (C05) French, Tarrasch, 45 moves, 1-0 Round 7 (Monday, April 6) J L Watson vs Hjartarson, 1981 (A37) English, Symmetrical, 23 moves, 0-1 Round 7 (Monday, April 6) J Grefe vs Dzindzichashvili, 1981 (B07) Pirc, 9 moves, 1/2-1/2 Round 7 (Monday, April 6) J Peters vs J Whitehead, 1981 (B70) Sicilian, Dragon Variation, 52 moves, 1-0 Round 7 (Monday, April 6) P Youngworth vs de Firmian, 1981  (A62) Benoni, Fianchetto Variation, 37 moves, 0-1 Round 7 (Monday, April 6) V Frias Pablaza vs A Kuligowski, 1981 (E67) King's Indian, Fianchetto, 28 moves, 1/2-1/2 Round 7 (Monday, April 6) D Root vs D Gurevich, 1981 (B20) Sicilian, 54 moves, 1/2-1/2 Round 7 (Monday, April 6) J Thinnsen vs D J Strauss, 1981  (B59) Sicilian, Boleslavsky Variation, 7.Nb3, 13 moves, 0-1 Round 7 (Monday, April 6) I Wells vs R Sulman, 1981 (C05) French, Tarrasch, 43 moves, 1-0 Round 8 (Tuesday, April 7) Seirawan vs Korchnoi, 1981  (D55) Queen's Gambit Declined, 44 moves, 1/2-1/2 Round 8 (Tuesday, April 7) Sosonko vs Romanishin, 1981 (D97) Grunfeld, Russian, 70 moves, 1-0 Round 8 (Tuesday, April 7) B Larsen vs Gligoric, 1981  (C28) Vienna Game, 76 moves, 0-1 Round 8 (Tuesday, April 7) A Yusupov vs K Shirazi, 1981 (D20) Queen's Gambit Accepted, 74 moves, 1-0 Round 8 (Tuesday, April 7) A Lein vs L Christiansen, 1981  (E11) Bogo-Indian Defense, 56 moves, 0-1 Round 8 (Tuesday, April 7) J Tarjan vs Shamkovich, 1981 (D94) Grunfeld, 35 moves, 1-0 Round 8 (Tuesday, April 7) H Ree vs H Pfleger, 1981 (D37) Queen's Gambit Declined, 25 moves, 1/2-1/2 Round 8 (Tuesday, April 7) B Ivanovic vs Fedorowicz, 1981 (B57) Sicilian, 60 moves, 1-0 Round 8 (Tuesday, April 7) I A Dahlberg vs R Henley, 1981  (A15) English, 41 moves, 0-1 Round 8 (Tuesday, April 7) K Burger vs D H Campora, 1981 (D43) Queen's Gambit Declined Semi-Slav, 38 moves, 0-1 Round 8 (Tuesday, April 7) I Ivanov vs Alburt, 1981  (B02) Alekhine's Defense, 54 moves, 0-1 Round 8 (Tuesday, April 7) P Biyiasas vs M Wilder, 1981 (B52) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 45 moves, 0-1 Round 8 (Tuesday, April 7) Kudrin vs J Peters, 1981 (B91) Sicilian, Najdorf, Zagreb (Fianchetto) Variation, 45 moves, 1-0 Round 8 (Tuesday, April 7) Y Gruenfeld vs Lombardy, 1981 (B42) Sicilian, Kan, 54 moves, 1/2-1/2 Round 8 (Tuesday, April 7) B M Kogan vs A Soltis, 1981 (A49) King's Indian, Fianchetto without c4, 78 moves, 1-0 Round 8 (Tuesday, April 7) V McCambridge vs L Gutman, 1981 (B42) Sicilian, Kan, 46 moves, 0-1 Round 8 (Tuesday, April 7) G Sigurjonsson vs Reshevsky, 1981 (A04) Reti Opening, 47 moves, 1-0 Round 8 (Tuesday, April 7) W J Donaldson vs V Liberzon, 1981 (B45) Sicilian, Taimanov, 25 moves, 1/2-1/2 Round 8 (Tuesday, April 7) Hjartarson vs Ivkov, 1981 (D37) Queen's Gambit Declined, 63 moves, 1/2-1/2 Round 8 (Tuesday, April 7) V Zaltsman vs Benko, 1981  (E60) King's Indian Defense, 70 moves, 1-0 Round 8 (Tuesday, April 7) A Bisguier vs de Firmian, 1981 (A04) Reti Opening, 45 moves, 1-0 Round 8 (Tuesday, April 7) J Arnason vs M Brooks, 1981 (B92) Sicilian, Najdorf, Opocensky Variation, 38 moves, 1-0 Round 8 (Tuesday, April 7) J Grefe vs I Wells, 1981 (A07) King's Indian Attack, 29 moves, 1-0 Round 8 (Tuesday, April 7) D J Strauss vs Benjamin, 1981 (A30) English, Symmetrical, 47 moves, 0-1 Round 8 (Tuesday, April 7) R Sulman vs P Youngworth, 1981 (A07) King's Indian Attack, 41 moves, 0-1 Round 8 (Tuesday, April 7) J Bradford vs A Kuligowski, 1981 (E12) Queen's Indian, 97 moves, 1/2-1/2 Round 8 (Tuesday, April 7) D Root vs J L Watson, 1981  (B40) Sicilian, 23 moves, 0-1 Round 8 (Tuesday, April 7) Dzindzichashvili vs V Frias Pablaza, 1981 (B80) Sicilian, Scheveningen, 19 moves, 1/2-1/2 Round 8 (Tuesday, April 7) D Gurevich vs J Hebert, 1981 (B86) Sicilian, Fischer-Sozin Attack, 19 moves, 1/2-1/2 Round 8 (Tuesday, April 7) N Davies vs J Thinnsen, 1981  (B31) Sicilian, Rossolimo Variation, 16 moves, 1-0 Round 9 (Wednesday, April 8) Korchnoi vs Sosonko, 1981 (D38) Queen's Gambit Declined, Ragozin Variation, 14 moves, 1/2-1/2 Round 9 (Wednesday, April 8) Gligoric vs Seirawan, 1981 (E41) Nimzo-Indian, 13 moves, 1/2-1/2 Round 9 (Wednesday, April 8) L Christiansen vs A Yusupov, 1981 (A06) Reti Opening, 14 moves, 1/2-1/2 Round 9 (Wednesday, April 8) Romanishin vs J Tarjan, 1981 (E15) Queen's Indian, 52 moves, 1/2-1/2 Round 9 (Wednesday, April 8) H Pfleger vs K Shirazi, 1981  (A16) English, 46 moves, 1-0 Round 9 (Wednesday, April 8) Lombardy vs B Ivanovic, 1981 (A41) Queen's Pawn Game (with ...d6), 60 moves, 0-1 Round 9 (Wednesday, April 8) R Henley vs Y Gruenfeld, 1981  (A77) Benoni, Classical, 9...Re8, 10.Nd2, 20 moves, 1-0 Round 9 (Wednesday, April 8) D H Campora vs B Larsen, 1981  (B18) Caro-Kann, Classical, 43 moves, 1-0 Round 9 (Wednesday, April 8) Alburt vs H Ree, 1981 (A77) Benoni, Classical, 9...Re8, 10.Nd2, 31 moves, 1-0 Round 9 (Wednesday, April 8) M Wilder vs A Lein, 1981  (A46) Queen's Pawn Game, 27 moves, 1-0 Round 9 (Wednesday, April 8) Kudrin vs I A Dahlberg, 1981 (B88) Sicilian, Fischer-Sozin Attack, 35 moves, 1-0 Round 9 (Wednesday, April 8) L Gutman vs B M Kogan, 1981  (A07) King's Indian Attack, 70 moves, 1/2-1/2 Round 9 (Wednesday, April 8) Shamkovich vs G Sigurjonsson, 1981 (E63) King's Indian, Fianchetto, Panno Variation, 18 moves, 1/2-1/2 Round 9 (Wednesday, April 8) Benko vs I Ivanov, 1981 (D35) Queen's Gambit Declined, 14 moves, 1/2-1/2 Round 9 (Wednesday, April 8) W J Donaldson vs J Arnason, 1981 (A34) English, Symmetrical, 6 moves, 1/2-1/2 Round 9 (Wednesday, April 8) Fedorowicz vs Hjartarson, 1981 (A15) English, 8 moves, 1/2-1/2 Round 9 (Wednesday, April 8) Reshevsky vs K Burger, 1981 (E47) Nimzo-Indian, 4.e3 O-O 5.Bd3, 29 moves, 1/2-1/2 Round 9 (Wednesday, April 8) V Frias Pablaza vs P Biyiasas, 1981 (C72) Ruy Lopez, Modern Steinitz Defense, 5.O-O, 47 moves, 0-1 Round 9 (Wednesday, April 8) A Soltis vs N Davies, 1981 (A07) King's Indian Attack, 42 moves, 1-0 Round 9 (Wednesday, April 8) Ivkov vs A Bisguier, 1981 (E15) Queen's Indian, 26 moves, 1/2-1/2 Round 9 (Wednesday, April 8) V Liberzon vs V Zaltsman, 1981 (B67) Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7, 45 moves, 1/2-1/2 Round 9 (Wednesday, April 8) J L Watson vs V McCambridge, 1981 (A37) English, Symmetrical, 34 moves, 0-1 Round 9 (Wednesday, April 8) Benjamin vs J Grefe, 1981 (A07) King's Indian Attack, 12 moves, 1/2-1/2 Round 9 (Wednesday, April 8) J Peters vs M Brooks, 1981 (B50) Sicilian, 39 moves, 1/2-1/2 Round 9 (Wednesday, April 8) J Whitehead vs J Thinnsen, 1981  (A07) King's Indian Attack, 22 moves, 1-0 Round 9 (Wednesday, April 8) P Youngworth vs I Wells, 1981 (E43) Nimzo-Indian, Fischer Variation, 63 moves, 1-0 Round 9 (Wednesday, April 8) A Kuligowski vs D Gurevich, 1981 (A70) Benoni, Classical with 7.Nf3, 48 moves, 1-0 Round 9 (Wednesday, April 8) de Firmian vs Dzindzichashvili, 1981 (B43) Sicilian, Kan, 5.Nc3, 15 moves, 1/2-1/2 Round 9 (Wednesday, April 8) J Hebert vs J Bradford, 1981 (A57) Benko Gambit, 31 moves, 1/2-1/2 Round 9 (Wednesday, April 8) D J Strauss vs R Sulman, 1981 (A17) English, 39 moves, 1/2-1/2 271 games