IBM

  Amsterdam 1974
Date Players Type Elo Average Games Rounds
1974 16 Tourn 2511 120 15

  Name ELO Points
  GM Tukmakov, Vladimir B 2570 10.0
  GM Jansa, Vlastimil 2535 10.0
  GM Ivkov, Borislav 2530 10.0
  GM Ribli, Zoltan 2525 9.0
  GM Ree, Hans 2425 8.5
  Geller, Efim 2610 8.0
  GM Velimirovic, Dragoljub 2530 8.0
  GM Csom, Istvan 2540 7.5
  IM Langeweg, Kick 2390 7.5
  GM Planinec, Albin 2545 7.0
  GM Timman, Jan H 2540 6.5
  Lombardy, William James 2520 6.5
  GM Sosonko, Gennadi 2450 6.5
  Donner, Jan Hein 2495 5.5
  GM Knaak, Rainer 2515 5.0
  IM Kaplan, Julio P 2460 4.5

IBM Games

White Black Result Round Date Opening View
Ivkov, B Knaak, R 1-0 1 1974 B00 King's pawn opening  
Jansa, V Csom, I ½-½ 1 1974 B31 Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)  
Langeweg, K Geller, E ½-½ 1 1974 E97 King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)  
Planinec, A Donner, J ½-½ 1 1974 B08 Pirc, classical (two knights) system  
Ree, H Lombardy, W 1-0 1 1974 D48 Queen's Gambit Declined semi-Slav, Meran, 8...a6  
Timman, J Kaplan, J ½-½ 1 1974 E56 Nimzo-Indian, 4.e3, main line with 7...Nc6  
Tukmakov, V Sosonko, G 1-0 1 1974 B78 Sicilian, dragon, Yugoslav attack, 10.O-O-O  
Velimirovic, D Ribli, Z 0-1 1 1974 B44 Sicilian defence  
Csom, I Planinec, A 0-1 2 1974 A89 Dutch, Leningrad, main variation with Nc6  
Donner, J Velimirovic, D ½-½ 2 1974 A76 Benoni, classical, 9...Re8  
Geller, E Ivkov, B ½-½ 2 1974 B78 Sicilian, dragon, Yugoslav attack, 10.O-O-O  
Kaplan, J Jansa, V 0-1 2 1974 B46 Sicilian, Taimanov variation  
Knaak, R Timman, J 0-1 2 1974 E44 Nimzo-Indian, Fischer variation, 5.Ne2  
Ribli, Z Ree, H ½-½ 2 1974 A49 King's Indian, fianchetto without c4  
Sosonko, G Lombardy, W ½-½ 2 1974 E04 Catalan, open, 5.Nf3  
Tukmakov, V Langeweg, K 1-0 2 1974 B83 Sicilian, Scheveningen, 6.Be2  
Ivkov, B Tukmakov, V ½-½ 3 1974 A16 English opening  
Jansa, V Knaak, R 1-0 3 1974 C79 Ruy Lopez, Steinitz defence deferred (Russian defence)  
Langeweg, K Sosonko, G ½-½ 3 1974 E51 Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5  
Lombardy, W Ribli, Z ½-½ 3 1974 E60 King's Indian defence  
Planinec, A Kaplan, J ½-½ 3 1974 B78 Sicilian, dragon, Yugoslav attack, 10.O-O-O  
Ree, H Donner, J 1-0 3 1974 B09 Pirc, Austrian attack  
Timman, J Geller, E ½-½ 3 1974 C93 Ruy Lopez, closed, Smyslov defence  
Velimirovic, D Csom, I 1-0 3 1974 B89 Sicilian, Sozin, 7.Be3  
Csom, I Ree, H 1-0 4 1974 D78 Neo-Gruenfeld, 6.O-O c6  
Donner, J Lombardy, W ½-½ 4 1974 D86 Gruenfeld, exchange, classical variation  
Geller, E Jansa, V ½-½ 4 1974 C89 Ruy Lopez, Marshall counter-attack  
Kaplan, J Velimirovic, D 0-1 4 1974 B52 Sicilian, Canal-Sokolsky attack, 3...Bd7  
Knaak, R Planinec, A 1-0 4 1974 A50 Queen's pawn game  
Langeweg, K Ivkov, B ½-½ 4 1974 D34 Queen's Gambit Declined, Tarrasch, Prague variation, 7...Be7  
Sosonko, G Ribli, Z ½-½ 4 1974 D97 Gruenfeld, Russian variation with e4  
Tukmakov, V Timman, J ½-½ 4 1974 B08 Pirc, classical (two knights) system  
Ivkov, B Sosonko, G 1-0 5 1974 A09 Reti opening  
Jansa, V Tukmakov, V ½-½ 5 1974 B52 Sicilian, Canal-Sokolsky attack, 3...Bd7  
Lombardy, W Csom, I ½-½ 5 1974 D36 Queen's Gambit Declined, exchange, positional line, 6.Qc2  
Planinec, A Geller, E ½-½ 5 1974 A07 Reti, King's Indian attack (Barcza system)  
Ree, H Kaplan, J 1-0 5 1974 A73 Benoni, classical, 9.O-O  
Ribli, Z Donner, J ½-½ 5 1974 A11 English, Caro-Kann defensive system  
Timman, J Langeweg, K 0-1 5 1974 B71 Sicilian, dragon, Levenfish variation  
Velimirovic, D Knaak, R 1-0 5 1974 C68 Ruy Lopez, exchange variation  
Csom, I Ribli, Z ½-½ 6 1974 E18 Queen's Indian, old main line, 7.Nc3  
Geller, E Velimirovic, D ½-½ 6 1974 A35 English, symmetrical variation  
Ivkov, B Timman, J 1-0 6 1974 B03 Alekhine's defence  
Kaplan, J Lombardy, W 0-1 6 1974 B68 Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be7  
Knaak, R Ree, H 0-1 6 1974 D14 Queen's Gambit Declined Slav, exchange variation, 6.Bf4 Bf5  
Langeweg, K Jansa, V 0-1 6 1974 A88 Dutch, Leningrad, main variation with c6  
Sosonko, G Donner, J 1-0 6 1974 E04 Catalan, open, 5.Nf3  
Tukmakov, V Planinec, A 1-0 6 1974 C41 Philidor's defence  
Donner, J Csom, I 0-1 7 1974 E41 Nimzo-Indian, 4.e3 c5  
Jansa, V Ivkov, B ½-½ 7 1974 B50 Sicilian  
Lombardy, W Knaak, R 0-1 7 1974 A30 English, symmetrical variation  
Planinec, A Langeweg, K ½-½ 7 1974 B89 Sicilian, Sozin, 7.Be3  
Ree, H Geller, E ½-½ 7 1974 D35 Queen's Gambit Declined, 3...Nf6  
Ribli, Z Kaplan, J ½-½ 7 1974 A39 English, symmetrical, main line with d4  
Timman, J Sosonko, G ½-½ 7 1974 D34 Queen's Gambit Declined, Tarrasch, Prague variation, 7...Be7  
Velimirovic, D Tukmakov, V 0-1 7 1974 B87 Sicilian, Sozin with ...a6 and ...b5  
Geller, E Lombardy, W 1-0 8 1974 B83 Sicilian, Scheveningen, 6.Be2  
Ivkov, B Planinec, A ½-½ 8 1974 C41 Philidor's defence  
Kaplan, J Donner, J ½-½ 8 1974 E68 King's Indian, fianchetto, classical variation, 8.e4  
Knaak, R Ribli, Z ½-½ 8 1974 D87 Gruenfeld, exchange, Spassky variation  
Langeweg, K Velimirovic, D 1-0 8 1974 B38 Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3  
Sosonko, G Csom, I ½-½ 8 1974 E07 Catalan, closed, 6...Nbd7  
Timman, J Jansa, V 1-0 8 1974 A16 English opening  
Tukmakov, V Ree, H ½-½ 8 1974 B81 Sicilian, Scheveningen, Keres attack  
Csom, I Kaplan, J ½-½ 9 1974 A41 Queen's Pawn  
Donner, J Knaak, R 1-0 9 1974 E59 Nimzo-Indian, 4.e3, main line  
Jansa, V Sosonko, G 1-0 9 1974 A36 English, symmetrical variation  
Lombardy, W Tukmakov, V ½-½ 9 1974 A16 English opening  
Planinec, A Timman, J 1-0 9 1974 C19 French, Winawer, advance, 6...Ne7  
Ree, H Langeweg, K 1-0 9 1974 B51 Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack  
Ribli, Z Geller, E ½-½ 9 1974 A15 English, 1...Nf6 (Anglo-Indian defense)  
Velimirovic, D Ivkov, B ½-½ 9 1974 B07 Pirc defence  
Geller, E Donner, J ½-½ 10 1974 B07 Pirc defence  
Ivkov, B Ree, H 1-0 10 1974 A12 English, Caro-Kann defensive system  
Jansa, V Planinec, A 1-0 10 1974 B84 Sicilian, Scheveningen (Paulsen), classical variation  
Knaak, R Csom, I ½-½ 10 1974 E41 Nimzo-Indian, 4.e3 c5  
Langeweg, K Lombardy, W ½-½ 10 1974 A88 Dutch, Leningrad, main variation with c6  
Sosonko, G Kaplan, J ½-½ 10 1974 E94 King's Indian, orthodox variation  
Timman, J Velimirovic, D 1-0 10 1974 A30 English, symmetrical variation  
Tukmakov, V Ribli, Z ½-½ 10 1974 B85 Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6  
Csom, I Geller, E ½-½ 11 1974 E68 King's Indian, fianchetto, classical variation, 8.e4  
Donner, J Tukmakov, V 0-1 11 1974 E62 King's Indian, fianchetto variation  
Kaplan, J Knaak, R 0-1 11 1974 C73 Ruy Lopez, modern Steinitz defence, Richter variation  
Lombardy, W Ivkov, B 0-1 11 1974 D00 Queen's pawn game  
Planinec, A Sosonko, G ½-½ 11 1974 A08 Reti, King's Indian attack  
Ree, H Timman, J ½-½ 11 1974 A30 English, symmetrical variation  
Ribli, Z Langeweg, K 1-0 11 1974 A14 English, Neo-Catalan declined  
Velimirovic, D Jansa, V 0-1 11 1974 B46 Sicilian, Taimanov variation  
Geller, E Kaplan, J ½-½ 12 1974 C67 Ruy Lopez, Berlin defence, open variation  
Ivkov, B Ribli, Z ½-½ 12 1974 D91 Gruenfeld, 5.Bg5  
Jansa, V Ree, H 0-1 12 1974 B20 Sicilian defence  
Langeweg, K Donner, J ½-½ 12 1974 A35 English, symmetrical variation  
Planinec, A Velimirovic, D ½-½ 12 1974 B30 Sicilian defence  
Sosonko, G Knaak, R 1-0 12 1974 A57 Benko gambit  
Timman, J Lombardy, W 0-1 12 1974 C63 Ruy Lopez, Schliemann defence  
Tukmakov, V Csom, I ½-½ 12 1974 B66 Sicilian, Richter-Rauzer, Rauzer attack, 7...a6  
Csom, I Langeweg, K ½-½ 13 1974 A00 Polish (Sokolsky) opening  
Donner, J Ivkov, B ½-½ 13 1974 E74 King's Indian, Averbakh, 6...c5  
Kaplan, J Tukmakov, V ½-½ 13 1974 B83 Sicilian, Scheveningen, 6.Be2  
Knaak, R Geller, E 1-0 13 1974 E88 King's Indian, Saemisch, orthodox, 7.d5 c6  
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