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IBM

  Amsterdam 1970
Date Players Type Elo Average Games Rounds
Jul, 1970 16 Tourn 120 15

  Name ELO Points
  GM Spassky, Boris V 11.5
  Polugaevsky, Lev 11.5
  GM Uhlmann, Wolfgang 10.5
  Geller, Efim 10.0
  GM Gligoric, Svetozar 8.5
  GM Hort, Vlastimil 8.5
  Tringov, Georgi P 7.5
  Janosevic, Dragoljub 7.5
  GM Ciric, Dragoljub M 7.0
  Donner, Jan Hein 6.5
  Scholl, Eddie C 6.0
  Hartoch, Robert G 5.5
  GM Csom, Istvan 5.5
  GM Ree, Hans 5.0
  IM Langeweg, Kick 5.0
  Jongsma, Alexander 4.0

IBM Games

Download games
White Black Result Round Date Opening View
Ciric, D Ree, H ½-½ 1 1970 C96 Ruy Lopez, closed (8...Na5)  
Donner, J Jongsma, A ½-½ 1 1970 D44 Queen's Gambit Declined semi-Slav, 5.Bg5 dc  
Geller, E Hort, V ½-½ 1 1970 B07 Pirc defence  
Hartoch, R Polugaevsky, L ½-½ 1 1970 A12 English, Caro-Kann defensive system  
Janosevic, D Uhlmann, W ½-½ 1 1970 C09 French, Tarrasch, open variation, main line  
Langeweg, K Csom, I ½-½ 1 1970 A31 English, symmetrical, Benoni formation  
Spassky, B Gligoric, S ½-½ 1 1970 C93 Ruy Lopez, closed, Smyslov defence  
Tringov, G Scholl, E ½-½ 1 1970 C98 Ruy Lopez, closed, Chigorin, 12...Nc6  
Ciric, D Janosevic, D ½-½ 2 1970 B47 Sicilian, Taimanov (Bastrikov) variation  
Csom, I Hartoch, R ½-½ 2 1970 B22 Sicilian, Alapin's variation (2.c3)  
Gligoric, S Langeweg, K 1-0 2 1970 E94 King's Indian, orthodox variation  
Jongsma, A Spassky, B 0-1 2 1970 B80 Sicilian, Scheveningen variation  
Polugaevsky, L Geller, E 1-0 2 1970 E94 King's Indian, orthodox variation  
Ree, H Hort, V ½-½ 2 1970 B07 Pirc defence  
Scholl, E Donner, J 1-0 2 1970 B99 Sicilian, Najdorf, 7...Be7 main line  
Uhlmann, W Tringov, G 1-0 2 1970 D34 Queen's Gambit Declined, Tarrasch, Prague variation, 7...Be7  
Donner, J Uhlmann, W ½-½ 3 1970 D79 Neo-Gruenfeld, 6.O-O, main line  
Geller, E Csom, I 1-0 3 1970 B07 Pirc defence  
Hartoch, R Gligoric, S ½-½ 3 1970 E94 King's Indian, orthodox variation  
Hort, V Polugaevsky, L ½-½ 3 1970 E18 Queen's Indian, old main line, 7.Nc3  
Janosevic, D Ree, H 1-0 3 1970 C96 Ruy Lopez, closed (8...Na5)  
Langeweg, K Jongsma, A ½-½ 3 1970 A43 Old Benoni defence  
Spassky, B Scholl, E ½-½ 3 1970 C98 Ruy Lopez, closed, Chigorin, 12...Nc6  
Tringov, G Ciric, D ½-½ 3 1970 C85 Ruy Lopez, Exchange variation doubly deferred (DERLD)  
Ciric, D Donner, J ½-½ 4 1970 C93 Ruy Lopez, closed, Smyslov defence  
Csom, I Hort, V ½-½ 4 1970 B19 Caro-Kann, classical, 7...Nd7  
Gligoric, S Geller, E ½-½ 4 1970 E92 King's Indian, classical variation  
Janosevic, D Tringov, G 0-1 4 1970 E82 King's Indian, Saemisch, double fianchetto variation  
Jongsma, A Hartoch, R ½-½ 4 1970 A35 English, symmetrical variation  
Ree, H Polugaevsky, L 0-1 4 1970 A24 English, Bremen system with ...g6  
Scholl, E Langeweg, K 0-1 4 1970 B57 Sicilian, Sozin, not Scheveningen  
Uhlmann, W Spassky, B ½-½ 4 1970 D26 Queen's Gambit Accepted, 4...e6  
Donner, J Janosevic, D ½-½ 5 1970 A79 Benoni, classical, 11.f3  
Geller, E Jongsma, A 1-0 5 1970 A44 Old Benoni defence  
Hartoch, R Scholl, E ½-½ 5 1970 E74 King's Indian, Averbakh, 6...c5  
Hort, V Gligoric, S 0-1 5 1970 E82 King's Indian, Saemisch, double fianchetto variation  
Langeweg, K Uhlmann, W 0-1 5 1970 D74 Neo-Gruenfeld, 6.cd Nxd5, 7.O-O  
Polugaevsky, L Csom, I ½-½ 5 1970 D35 Queen's Gambit Declined, 3...Nf6  
Spassky, B Ciric, D 1-0 5 1970 E17 Queen's Indian, 5.Bg2 Be7  
Tringov, G Ree, H ½-½ 5 1970 C41 Philidor's defence  
Ciric, D Langeweg, K 1-0 6 1970 B57 Sicilian, Sozin, not Scheveningen  
Gligoric, S Polugaevsky, L 0-1 6 1970 E56 Nimzo-Indian, 4.e3, main line with 7...Nc6  
Janosevic, D Spassky, B 0-1 6 1970 B82 Sicilian, Scheveningen, 6.f4  
Jongsma, A Hort, V 0-1 6 1970 A27 English, three knights system  
Ree, H Csom, I 1-0 6 1970 A21 English opening  
Scholl, E Geller, E ½-½ 6 1970 C88 Ruy Lopez, closed  
Tringov, G Donner, J ½-½ 6 1970 B99 Sicilian, Najdorf, 7...Be7 main line  
Uhlmann, W Hartoch, R 1-0 6 1970 E90 King's Indian, 5.Nf3  
Csom, I Gligoric, S ½-½ 7 1970 A11 English, Caro-Kann defensive system  
Donner, J Ree, H 1-0 7 1970 E52 Nimzo-Indian, 4.e3, main line with ...b6  
Geller, E Uhlmann, W 0-1 7 1970 C09 French, Tarrasch, open variation, main line  
Hartoch, R Ciric, D ½-½ 7 1970 E04 Catalan, open, 5.Nf3  
Hort, V Scholl, E ½-½ 7 1970 D80 Gruenfeld defence  
Langeweg, K Janosevic, D ½-½ 7 1970 A79 Benoni, classical, 11.f3  
Polugaevsky, L Jongsma, A 1-0 7 1970 A23 English, Bremen system, Keres variation  
Spassky, B Tringov, G ½-½ 7 1970 E82 King's Indian, Saemisch, double fianchetto variation  
Ciric, D Geller, E 0-1 8 1970 C88 Ruy Lopez, closed  
Donner, J Spassky, B 0-1 8 1970 D26 Queen's Gambit Accepted, 4...e6  
Janosevic, D Hartoch, R 1-0 8 1970 B46 Sicilian, Taimanov variation  
Jongsma, A Csom, I ½-½ 8 1970 A48 King's Indian, East Indian defence  
Ree, H Gligoric, S 0-1 8 1970 B82 Sicilian, Scheveningen, 6.f4  
Scholl, E Polugaevsky, L 0-1 8 1970 B88 Sicilian, Sozin, Leonhardt variation  
Tringov, G Langeweg, K ½-½ 8 1970 B57 Sicilian, Sozin, not Scheveningen  
Uhlmann, W Hort, V ½-½ 8 1970 D22 Queen's Gambit Accepted, Alekhine defence  
Csom, I Scholl, E 1-0 9 1970 C44 King's pawn game  
Geller, E Janosevic, D 1-0 9 1970 D36 Queen's Gambit Declined, exchange, positional line, 6.Qc2  
Gligoric, S Jongsma, A ½-½ 9 1970 A50 Queen's pawn game  
Hartoch, R Tringov, G ½-½ 9 1970 A14 English, Neo-Catalan declined  
Hort, V Ciric, D 1-0 9 1970 B14 Caro-Kann, Panov-Botvinnik attack, 5...e6  
Langeweg, K Donner, J 0-1 9 1970 A12 English, Caro-Kann defensive system  
Polugaevsky, L Uhlmann, W 1-0 9 1970 E75 King's Indian, Averbakh, main line  
Spassky, B Ree, H 1-0 9 1970 B07 Pirc defence  
Ciric, D Polugaevsky, L ½-½ 10 1970 B87 Sicilian, Sozin with ...a6 and ...b5  
Donner, J Hartoch, R ½-½ 10 1970 E74 King's Indian, Averbakh, 6...c5  
Janosevic, D Hort, V ½-½ 10 1970 B83 Sicilian, Scheveningen, 6.Be2  
Ree, H Jongsma, A ½-½ 10 1970 A54 Old Indian, Ukrainian variation  
Scholl, E Gligoric, S ½-½ 10 1970 B84 Sicilian, Scheveningen (Paulsen), classical variation  
Spassky, B Langeweg, K 1-0 10 1970 E83 King's Indian, Saemisch, 6...Nc6  
Tringov, G Geller, E ½-½ 10 1970 C94 Ruy Lopez, closed, Breyer defence  
Uhlmann, W Csom, I 1-0 10 1970 D63 Queen's Gambit Declined, Orthodox defence, 7.Rc1  
Csom, I Ciric, D ½-½ 11 1970 D14 Queen's Gambit Declined Slav, exchange variation, 6.Bf4 Bf5  
Geller, E Donner, J ½-½ 11 1970 B92 Sicilian, Najdorf, Opovcensky variation  
Gligoric, S Uhlmann, W 0-1 11 1970 D86 Gruenfeld, exchange, classical variation  
Hartoch, R Spassky, B 0-1 11 1970 A25 English, Sicilian reversed  
Hort, V Tringov, G ½-½ 11 1970 D40 Queen's Gambit Declined, Semi-Tarrasch defence  
Jongsma, A Scholl, E ½-½ 11 1970 E90 King's Indian, 5.Nf3  
Langeweg, K Ree, H ½-½ 11 1970 E66 King's Indian, fianchetto, Yugoslav Panno  
Polugaevsky, L Janosevic, D 1-0 11 1970 D52 Queen's Gambit Declined  
Ciric, D Gligoric, S ½-½ 12 1970 C93 Ruy Lopez, closed, Smyslov defence  
Donner, J Hort, V 0-1 12 1970 D80 Gruenfeld defence  
Janosevic, D Csom, I 1-0 12 1970 B61 Sicilian, Richter-Rauzer, Larsen variation, 7.Qd2  
Langeweg, K Hartoch, R ½-½ 12 1970 B08 Pirc, classical (two knights) system  
Ree, H Scholl, E ½-½ 12 1970 A39 English, symmetrical, main line with d4  
Spassky, B Geller, E ½-½ 12 1970 C92 Ruy Lopez, closed, 9.h3  
Tringov, G Polugaevsky, L ½-½ 12 1970 B50 Sicilian  
Uhlmann, W Jongsma, A 1-0 12 1970 A54 Old Indian, Ukrainian variation  
Csom, I Tringov, G ½-½ 13 1970 A36 English, symmetrical variation  
Geller, E Langeweg, K 1-0 13 1970 E66 King's Indian, fianchetto, Yugoslav Panno  
Gligoric, S Janosevic, D 1-0 13 1970 A79 Benoni, classical, 11.f3  
Hartoch, R Ree, H ½-½ 13 1970 E75 King's Indian, Averbakh, main line