IBM

  Amsterdam 1971
Date Players Type Elo Average Games Rounds
Jul, 1971 16 Tourn 2514 120 15

  Name ELO Points
  GM Smyslov, Vassily 2620 10.0
  GM Portisch, Lajos 2630 9.0
  Keres, Paul 2615 9.0
  GM Browne, Walter S 2500 9.0
  GM Gligoric, Svetozar 2600 8.5
  GM Ivkov, Borislav 2560 8.5
  GM Ree, Hans 2430 8.5
  Evans, Larry Melvyn 2550 8.0
  GM Uhlmann, Wolfgang 2570 7.5
  Hartoch, Robert G 2400 7.5
  Donner, Jan Hein 2500 7.0
  GM Adorjan, Andras 2465 7.0
  GM Timman, Jan H 2445 6.5
  Bobotsov, Milko G 2485 5.5
  IM Langeweg, Kick 2425 5.5
  Scholl, Eddie C 2430 3.0


IBM Games

White Black Result Round Date Opening View
Adorjan, A Bobotsov, M 1-0 1 1971 B44 Sicilian defence  
Browne, W Hartoch, R 1-0 1 1971 B46 Sicilian, Taimanov variation  
Donner, J Scholl, E 0-1 1 1971 D88 Gruenfeld, Spassky variation, main line, 10...cd, 11.cd  
Evans, L Ivkov, B ½-½ 1 1971 E11 Bogo-Indian defence  
Gligoric, S Smyslov, V 0-1 1 1971 D07 Queen's Gambit Declined, Chigorin defence  
Langeweg, K Portisch, L 1-0 1 1971 D90 Gruenfeld, Three knights variation  
Ree, H Keres, P ½-½ 1 1971 C68 Ruy Lopez, exchange variation  
Uhlmann, W Timman, J 1-0 1 1971 D90 Gruenfeld, Three knights variation  
Bobotsov, M Langeweg, K 1-0 2 1971 E13 Queen's Indian, 4.Nc3, main line  
Browne, W Evans, L 0-1 2 1971 D86 Gruenfeld, exchange, classical variation  
Hartoch, R Smyslov, V 0-1 2 1971 A48 King's Indian, East Indian defence  
Ivkov, B Adorjan, A ½-½ 2 1971 B36 Sicilian, accelerated fianchetto, Maroczy bind  
Keres, P Uhlmann, W ½-½ 2 1971 C08 French, Tarrasch, open, 4.ed ed  
Portisch, L Donner, J 1-0 2 1971 A33 English, symmetrical variation  
Scholl, E Ree, H 0-1 2 1971 B57 Sicilian, Sozin, not Scheveningen  
Timman, J Gligoric, S 0-1 2 1971 C69 Ruy Lopez, exchange variation, 5.O-O  
Adorjan, A Browne, W 0-1 3 1971 B50 Sicilian  
Donner, J Bobotsov, M ½-½ 3 1971 E43 Nimzo-Indian, Fischer variation  
Evans, L Hartoch, R 0-1 3 1971 B44 Sicilian defence  
Gligoric, S Keres, P ½-½ 3 1971 E19 Queen's Indian, old main line, 9.Qxc3  
Langeweg, K Ivkov, B 0-1 3 1971 A48 King's Indian, East Indian defence  
Ree, H Portisch, L ½-½ 3 1971 A36 English, symmetrical variation  
Smyslov, V Timman, J 1-0 3 1971 B08 Pirc, classical (two knights) system  
Uhlmann, W Scholl, E ½-½ 3 1971 A34 English, symmetrical variation  
Bobotsov, M Ree, H ½-½ 4 1971 D15 Queen's Gambit Declined Slav, 4.Nc3  
Browne, W Langeweg, K ½-½ 4 1971 B80 Sicilian, Scheveningen variation  
Evans, L Adorjan, A 1-0 4 1971 B21 Sicilian, Grand Prix attack  
Hartoch, R Timman, J 1-0 4 1971 A46 Queen's pawn game  
Ivkov, B Donner, J ½-½ 4 1971 E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)  
Keres, P Smyslov, V ½-½ 4 1971 B15 Caro-Kann defence  
Portisch, L Uhlmann, W 1-0 4 1971 A16 English opening  
Scholl, E Gligoric, S ½-½ 4 1971 C93 Ruy Lopez, closed, Smyslov defence  
Adorjan, A Hartoch, R ½-½ 5 1971 B09 Pirc, Austrian attack  
Donner, J Browne, W ½-½ 5 1971 A58 Benko gambit accepted  
Gligoric, S Portisch, L 1-0 5 1971 D80 Gruenfeld defence  
Langeweg, K Evans, L ½-½ 5 1971 E99 King's Indian, orthodox, Aronin-Taimanov, main line  
Ree, H Ivkov, B ½-½ 5 1971 C15 French, Winawer (Nimzovich) variation  
Smyslov, V Scholl, E ½-½ 5 1971 D78 Neo-Gruenfeld, 6.O-O c6  
Timman, J Keres, P 0-1 5 1971 E50 Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d5  
Uhlmann, W Bobotsov, M 1-0 5 1971 E11 Bogo-Indian defence  
Adorjan, A Langeweg, K ½-½ 6 1971 B44 Sicilian defence  
Bobotsov, M Gligoric, S ½-½ 6 1971 E88 King's Indian, Saemisch, orthodox, 7.d5 c6  
Browne, W Ree, H ½-½ 6 1971 C92 Ruy Lopez, closed, 9.h3  
Evans, L Donner, J 0-1 6 1971 B10 Caro-Kann defence  
Hartoch, R Keres, P 1-0 6 1971 A57 Benko gambit  
Ivkov, B Uhlmann, W ½-½ 6 1971 A11 English, Caro-Kann defensive system  
Portisch, L Smyslov, V ½-½ 6 1971 E56 Nimzo-Indian, 4.e3, main line with 7...Nc6  
Scholl, E Timman, J 0-1 6 1971 C49 Four knights, double Ruy Lopez  
Donner, J Adorjan, A ½-½ 7 1971 D87 Gruenfeld, exchange, Spassky variation  
Gligoric, S Ivkov, B ½-½ 7 1971 E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)  
Keres, P Scholl, E ½-½ 7 1971 C94 Ruy Lopez, closed, Breyer defence  
Langeweg, K Hartoch, R 1-0 7 1971 A16 English opening  
Ree, H Evans, L ½-½ 7 1971 A79 Benoni, classical, 11.f3  
Smyslov, V Bobotsov, M ½-½ 7 1971 A37 English, symmetrical variation  
Timman, J Portisch, L ½-½ 7 1971 A15 English, 1...Nf6 (Anglo-Indian defense)  
Uhlmann, W Browne, W ½-½ 7 1971 B36 Sicilian, accelerated fianchetto, Maroczy bind  
Adorjan, A Ree, H ½-½ 8 1971 B80 Sicilian, Scheveningen variation  
Bobotsov, M Timman, J 0-1 8 1971 E81 King's Indian, Saemisch, 5...O-O  
Browne, W Gligoric, S 1-0 8 1971 C93 Ruy Lopez, closed, Smyslov defence  
Evans, L Uhlmann, W 1-0 8 1971 E81 King's Indian, Saemisch, 5...O-O  
Hartoch, R Scholl, E 1-0 8 1971 A34 English, symmetrical variation  
Ivkov, B Smyslov, V ½-½ 8 1971 C93 Ruy Lopez, closed, Smyslov defence  
Langeweg, K Donner, J 0-1 8 1971 E99 King's Indian, orthodox, Aronin-Taimanov, main line  
Portisch, L Keres, P ½-½ 8 1971 E15 Queen's Indian, 4.g3  
Donner, J Hartoch, R ½-½ 9 1971 A79 Benoni, classical, 11.f3  
Gligoric, S Evans, L ½-½ 9 1971 E97 King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)  
Keres, P Bobotsov, M 1-0 9 1971 A79 Benoni, classical, 11.f3  
Ree, H Langeweg, K 1-0 9 1971 E32 Nimzo-Indian, classical variation  
Scholl, E Portisch, L 0-1 9 1971 B92 Sicilian, Najdorf, Opovcensky variation  
Smyslov, V Browne, W ½-½ 9 1971 B36 Sicilian, accelerated fianchetto, Maroczy bind  
Timman, J Ivkov, B 1-0 9 1971 C16 French, Winawer, advance variation  
Uhlmann, W Adorjan, A 0-1 9 1971 E74 King's Indian, Averbakh, 6...c5  
Adorjan, A Gligoric, S ½-½ 10 1971 B50 Sicilian  
Bobotsov, M Scholl, E 1-0 10 1971 D94 Gruenfeld, 5.e3  
Browne, W Timman, J 1-0 10 1971 B09 Pirc, Austrian attack  
Donner, J Ree, H ½-½ 10 1971 D90 Gruenfeld, Three knights variation  
Evans, L Smyslov, V ½-½ 10 1971 B10 Caro-Kann defence  
Hartoch, R Portisch, L 0-1 10 1971 A25 English, Sicilian reversed  
Ivkov, B Keres, P ½-½ 10 1971 C75 Ruy Lopez, modern Steinitz defence  
Langeweg, K Uhlmann, W ½-½ 10 1971 D90 Gruenfeld, Three knights variation  
Gligoric, S Langeweg, K 1-0 11 1971 D80 Gruenfeld defence  
Keres, P Browne, W ½-½ 11 1971 D94 Gruenfeld, 5.e3  
Portisch, L Bobotsov, M 1-0 11 1971 D37 Queen's Gambit Declined, 4.Nf3  
Ree, H Hartoch, R 0-1 11 1971 E62 King's Indian, fianchetto variation  
Scholl, E Ivkov, B 0-1 11 1971 B92 Sicilian, Najdorf, Opovcensky variation  
Smyslov, V Adorjan, A 1-0 11 1971 A05 Reti opening  
Timman, J Evans, L 1-0 11 1971 B50 Sicilian  
Uhlmann, W Donner, J 1-0 11 1971 E74 King's Indian, Averbakh, 6...c5  
Adorjan, A Timman, J 0-1 12 1971 B05 Alekhine's defence, modern variation, 4...Bg4  
Browne, W Scholl, E 1-0 12 1971 C94 Ruy Lopez, closed, Breyer defence  
Donner, J Gligoric, S ½-½ 12 1971 E74 King's Indian, Averbakh, 6...c5  
Evans, L Keres, P ½-½ 12 1971 A23 English, Bremen system, Keres variation  
Hartoch, R Bobotsov, M ½-½ 12 1971 B36 Sicilian, accelerated fianchetto, Maroczy bind  
Ivkov, B Portisch, L ½-½ 12 1971 E19 Queen's Indian, old main line, 9.Qxc3  
Langeweg, K Smyslov, V 0-1 12 1971 A15 English, 1...Nf6 (Anglo-Indian defense)  
Ree, H Uhlmann, W ½-½ 12 1971 A42 Modern defence, Averbakh system  
Bobotsov, M Ivkov, B ½-½ 13 1971 A42 Modern defence, Averbakh system  
Gligoric, S Ree, H ½-½ 13 1971 A75 Benoni, classical with ...a6 and 10...Bg4  
Keres, P Adorjan, A 1-0 13 1971 A40 Queen's pawn  
Portisch, L Browne, W 1-0 13 1971 E56 Nimzo-Indian, 4.e3, main line with 7...Nc6  
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