IBM

  Amsterdam 1965
Date Players Type Elo Average Games Rounds
1965 10 Tourn 45 9

  Name ELO Points
  Donner, Jan Hein 6.5
  GM Parma, Bruno 6.0
  Szabo, Laszlo 5.5
  Trifunovic, Petar 5.0
  IM Karaklajic, Nikola 4.5
  Filip, Miroslav 4.0
  Zuidema, Coenraad 3.5
  IM Bouwmeester, Hans 3.5
  Barendregt, Johan Teunis 3.5
  IM Langeweg, Kick 3.0

IBM Games

White Black Result Round Date Opening View
Bouwmeester, H Szabo, L 0-1 1 1965 A43 Old Benoni defence  
Filip, M Karaklajic, N ½-½ 1 1965 D38 Queen's Gambit Declined, Ragozin variation  
Langeweg, K Donner, J 0-1 1 1965 D10 Queen's Gambit Declined Slav defence  
Parma, B Barendregt, J ½-½ 1 1965 C41 Philidor's defence  
Zuidema, C Trifunovic, P ½-½ 1 1965 B05 Alekhine's defence, modern variation, 4...Bg4  
Barendregt, J Langeweg, K ½-½ 2 1965 C66 Ruy Lopez, Berlin defence, 4.O-O, d6  
Donner, J Bouwmeester, H 1-0 2 1965 E25 Nimzo-Indian, Saemisch variation  
Szabo, L Filip, M ½-½ 2 1965 C98 Ruy Lopez, closed, Chigorin, 12...Nc6  
Trifunovic, P Karaklajic, N 1-0 2 1965 D06 Queen's Gambit  
Zuidema, C Parma, B ½-½ 2 1965 B35 Sicilian, accelerated fianchetto, modern variation with Bc4  
Bouwmeester, H Barendregt, J 1-0 3 1965 C41 Philidor's defence  
Filip, M Donner, J ½-½ 3 1965 D36 Queen's Gambit Declined, exchange, positional line, 6.Qc2  
Karaklajic, N Szabo, L ½-½ 3 1965 B40 Sicilian defence  
Langeweg, K Zuidema, C 1-0 3 1965 D75 Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3  
Parma, B Trifunovic, P 1-0 3 1965 C43 Petrov, modern (Steinitz) attack  
Barendregt, J Filip, M ½-½ 4 1965 B40 Sicilian defence  
Donner, J Karaklajic, N 1-0 4 1965 E55 Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation  
Parma, B Langeweg, K 1-0 4 1965 C93 Ruy Lopez, closed, Smyslov defence  
Trifunovic, P Szabo, L ½-½ 4 1965 D32 Queen's Gambit Declined, Tarrasch defence  
Zuidema, C Bouwmeester, H ½-½ 4 1965 B17 Caro-Kann, Steinitz variation  
Bouwmeester, H Parma, B ½-½ 5 1965 B09 Pirc, Austrian attack  
Filip, M Zuidema, C ½-½ 5 1965 D55 Queen's Gambit Declined, 6.Nf3  
Karaklajic, N Barendregt, J 0-1 5 1965 B07 Pirc defence  
Langeweg, K Trifunovic, P 0-1 5 1965 D30 Queen's gambit declined  
Szabo, L Donner, J ½-½ 5 1965 E31 Nimzo-Indian, Leningrad, main line  
Barendregt, J Szabo, L ½-½ 6 1965 B31 Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)  
Langeweg, K Bouwmeester, H ½-½ 6 1965 D27 Queen's Gambit Accepted, classical, 6...a6  
Parma, B Filip, M 1-0 6 1965 C72 Ruy Lopez, modern Steinitz defence, 5.O-O  
Trifunovic, P Donner, J ½-½ 6 1965 D41 Queen's Gambit Declined, Semi-Tarrasch, 5.cd  
Zuidema, C Karaklajic, N 0-1 6 1965 B01 Scandinavian (centre counter) defence  
Bouwmeester, H Trifunovic, P ½-½ 7 1965 D13 Queen's Gambit Declined Slav, exchange variation  
Donner, J Barendregt, J 1-0 7 1965 A53 Old Indian defence  
Filip, M Langeweg, K ½-½ 7 1965 E92 King's Indian, classical variation  
Karaklajic, N Parma, B ½-½ 7 1965 E59 Nimzo-Indian, 4.e3, main line  
Szabo, L Zuidema, C 1-0 7 1965 E28 Nimzo-Indian, Saemisch variation  
Bouwmeester, H Filip, M ½-½ 8 1965 B17 Caro-Kann, Steinitz variation  
Langeweg, K Karaklajic, N 0-1 8 1965 A13 English opening  
Parma, B Szabo, L ½-½ 8 1965 B42 Sicilian, Kan, 5.Bd3  
Trifunovic, P Barendregt, J ½-½ 8 1965 B39 Sicilian, accelerated fianchetto, Breyer variation  
Zuidema, C Donner, J ½-½ 8 1965 B16 Caro-Kann, Bronstein-Larsen variation  
Barendregt, J Zuidema, C 0-1 9 1965 C68 Ruy Lopez, exchange variation  
Donner, J Parma, B ½-½ 9 1965 E58 Nimzo-Indian, 4.e3, main line with 8...Bxc3  
Filip, M Trifunovic, P ½-½ 9 1965 B17 Caro-Kann, Steinitz variation  
Karaklajic, N Bouwmeester, H 1-0 9 1965 C50 King's pawn game  
Szabo, L Langeweg, K ½-½ 9 1965 E70 King's Indian, 4.e4