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IBM

  Amsterdam 1961
Date Players Type Elo Average Games Rounds
1961 12 Tourn 66 11

IBM Games

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White Black Result Round Date Opening View
De Rooi, P Kuijpers, F 1-0 1 1961 B31 Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)  
Enevoldsen, J Wade, R ½-½ 1 1961 B56 Sicilian  
Johner, H Crabbendam, H ½-½ 1 1961 E90 King's Indian, 5.Nf3  
Langeweg, K Bernstein, O 1-0 1 1961 A38 English, symmetrical variation  
Van den Berg, C Donner, J ½-½ 1 1961 B42 Sicilian, Kan, 5.Bd3  
Wolthuis, W Tan Hong Ghee, ½-½ 1 1961 E43 Nimzo-Indian, Fischer variation  
Bernstein, O Crabbendam, H ½-½ 2 1961 B29 Sicilian, Nimzovich-Rubinstein variation  
Donner, J Wolthuis, W 1-0 2 1961 D36 Queen's Gambit Declined, exchange, positional line, 6.Qc2  
Kuijpers, F Johner, H 0-1 2 1961 E60 King's Indian defence  
Langeweg, K Enevoldsen, J 1-0 2 1961 D32 Queen's Gambit Declined, Tarrasch defence  
Tan Hong Ghee, De Rooi, P 1-0 2 1961 B32 Sicilian defence  
Wade, R Van den Berg, C ½-½ 2 1961 E25 Nimzo-Indian, Saemisch variation  
Crabbendam, H Kuijpers, F 0-1 3 1961 B76 Sicilian, dragon, Yugoslav attack, 7...O-O  
De Rooi, P Donner, J 0-1 3 1961 B42 Sicilian, Kan, 5.Bd3  
Enevoldsen, J Bernstein, O 1-0 3 1961 E91 King's Indian, 6.Be2  
Johner, H Tan Hong Ghee, ½-½ 3 1961 E43 Nimzo-Indian, Fischer variation  
Van den Berg, C Langeweg, K 0-1 3 1961 B96 Sicilian, Najdorf, 7.f4  
Wolthuis, W Wade, R 0-1 3 1961 E11 Bogo-Indian defence  
Bernstein, O Kuijpers, F 0-1 4 1961 B73 Sicilian, dragon, classical, 8.O-O  
Donner, J Johner, H 1-0 4 1961 A56 Benoni defence  
Enevoldsen, J Van den Berg, C 1-0 4 1961 A05 Reti opening  
Langeweg, K Wolthuis, W 1-0 4 1961 D17 Queen's Gambit Declined Slav, Czech defence  
Tan Hong Ghee, Crabbendam, H 0-1 4 1961 A05 Reti opening  
Wade, R De Rooi, P 1-0 4 1961 E77 King's Indian, Four pawns attack, 6.Be2  
Crabbendam, H Donner, J ½-½ 5 1961 B41 Sicilian, Kan variation  
De Rooi, P Langeweg, K 0-1 5 1961 B25 Sicilian, closed  
Johner, H Wade, R 0-1 5 1961 C92 Ruy Lopez, closed, 9.h3  
Kuijpers, F Tan Hong Ghee, 1-0 5 1961 E24 Nimzo-Indian, Saemisch variation  
Van den Berg, C Bernstein, O 1-0 5 1961 A49 King's Indian, fianchetto without c4  
Wolthuis, W Enevoldsen, J ½-½ 5 1961 E91 King's Indian, 6.Be2  
Bernstein, O Tan Hong Ghee, ½-½ 6 1961 B43 Sicilian, Kan, 5.Nc3  
Donner, J Kuijpers, F 1-0 6 1961 E31 Nimzo-Indian, Leningrad, main line  
Enevoldsen, J De Rooi, P 1-0 6 1961 E69 King's Indian, fianchetto, classical main line  
Langeweg, K Johner, H 1-0 6 1961 A26 English, closed system  
Van den Berg, C Wolthuis, W ½-½ 6 1961 C79 Ruy Lopez, Steinitz defence deferred (Russian defence)  
Wade, R Crabbendam, H ½-½ 6 1961 E01 Catalan, closed  
Crabbendam, H Langeweg, K 0-1 7 1961 B44 Sicilian defence  
De Rooi, P Van den Berg, C 1-0 7 1961 B40 Sicilian defence  
Johner, H Enevoldsen, J 0-1 7 1961 C87 Ruy Lopez, closed, Averbach variation  
Kuijpers, F Wade, R 0-1 7 1961 A37 English, symmetrical variation  
Tan Hong Ghee, Donner, J 1-0 7 1961 E61 King's Indian defence, 3.Nc3  
Wolthuis, W Bernstein, O 1-0 7 1961 D56 Queen's Gambit Declined, Lasker defence  
Bernstein, O Donner, J 0-1 8 1961 B43 Sicilian, Kan, 5.Nc3  
Enevoldsen, J Crabbendam, H ½-½ 8 1961 A09 Reti opening  
Langeweg, K Kuijpers, F 1-0 8 1961 D36 Queen's Gambit Declined, exchange, positional line, 6.Qc2  
Van den Berg, C Johner, H 0-1 8 1961 E68 King's Indian, fianchetto, classical variation, 8.e4  
Wade, R Tan Hong Ghee, 0-1 8 1961 E21 Nimzo-Indian, three knights variation  
Wolthuis, W De Rooi, P ½-½ 8 1961 E76 King's Indian, Four pawns attack  
Crabbendam, H Van den Berg, C 0-1 9 1961 E56 Nimzo-Indian, 4.e3, main line with 7...Nc6  
De Rooi, P Bernstein, O 1-0 9 1961 E90 King's Indian, 5.Nf3  
Donner, J Wade, R 1-0 9 1961 D35 Queen's Gambit Declined, 3...Nf6  
Johner, H Wolthuis, W 0-1 9 1961 D18 Queen's Gambit Declined Slav, Dutch variation  
Kuijpers, F Enevoldsen, J 1-0 9 1961 E24 Nimzo-Indian, Saemisch variation  
Tan Hong Ghee, Langeweg, K 1-0 9 1961 E33 Nimzo-Indian, classical, 4...Nc6  
Bernstein, O Wade, R 0-1 10 1961 C56 Two knights defence  
De Rooi, P Johner, H 0-1 10 1961 E94 King's Indian, orthodox variation  
Enevoldsen, J Tan Hong Ghee, 1-0 10 1961 E43 Nimzo-Indian, Fischer variation  
Langeweg, K Donner, J 0-1 10 1961 A22 English opening  
Van den Berg, C Kuijpers, F 1-0 10 1961 B69 Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf6  
Wolthuis, W Crabbendam, H 0-1 10 1961 A50 Queen's pawn game  
Crabbendam, H De Rooi, P 0-1 11 1961 B32 Sicilian defence  
Donner, J Enevoldsen, J ½-½ 11 1961 A61 Benoni defence  
Johner, H Bernstein, O 1-0 11 1961 D53 Queen's Gambit Declined, 4.Bg5 Be7  
Kuijpers, F Wolthuis, W 1-0 11 1961 A11 English, Caro-Kann defensive system  
Tan Hong Ghee, Van den Berg, C ½-½ 11 1961 B44 Sicilian defence  
Wade, R Langeweg, K 0-1 11 1961 A53 Old Indian defence