Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● f2→e3, e3→d4 ● f7→g6, h7→g6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● e5 (2v0) ● e4 (2v0), ● g4 (2v0), ● f5 (2v0)
Cases faibles
Centre ● d4 (3v0), ● e5 (2v0) ● d5 (2v0), ● e4 (2v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 1)
Bf1 ● Bf1 Non développé (mob. 5)
Bc8 ● Bc8 Non développé (mob. 5)
Bf8 ● Bf8 Non développé (mob. 2)
Paire de fous ● Oui ● Oui
Non développées 5 (● b1, ● c1, ● f1, ● a1, ● h1) 5 (● b8, ● c8, ● f8, ● a8, ● h8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Au centre ● Au centre
Droits de roque O-O / O-O-O O-O / O-O-O
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre fermé
Ruptures ● c2-c4, ● e3-e4 ● …e7-e5

D04e — Colle: 3…g6

1.d4 d5 2.Nf3 Nf6 3.e3 g6 *   ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bK
bB
bR
bP
bP
bP
bP
bP
bP
bN
bP
bP
Case forte (2v0)
wPPion central
wPPion central
wN
wP
wP
wP
wP
wP
wP
wR
wN
wB
wQ
wK
wBFou actif — mobilité 5
wR
abcdefgh
Plans. c4 (Frapper le centre adverse — 37 % des parties) ; Bd3 (Fou actif (mobilité 8), Développer f1 — 34 % des parties) ; Be2 (Fou actif (mobilité 5), Développer f1 — 10 % des parties) ; Nbd2 (Développer b1 — 8 % des parties) ; b3 (Préparer le fianchetto — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wB
wK
wQ
wB
wN
wR
wP
wP
wP
wP
wP
wP
wN
wP
Case forte (2v0)
Avant-poste C (accessible)
wP
Case forte (2v0)
bP
bP
bN
bP
bP
bP
bP
bP
bP
bR
bB
bK
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Plans. ...Bg7 (Fianchetto, fou sur la grande diagonale — 80 % des parties) ; ...c6 (Renforcer le centre — 14 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1931 Bled – Round 1 – Colle, Edgar – 0-1 – Bogoljubow, Efim – G74
1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. Nbd2 Bg7 5. Bd3 c5 6. c3 O-O 7. O-O Nc6 8. dxc5 Nd7 9. Nb3 a5 10. a4 Nde5
1931 DSB-27.Kongress – Round ? – Engels, Ludwig – 0-1 – Bogoljubow, Efim – G12
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 c5 6. c3 O-O 7. O-O Nc6 8. Qe2 Nd7 9. Bc2 b6 10. b3 a5
1931 DSB-27.Kongress – Round ? – Richter, Kurt P – 1/2-1/2 – Roedl, Ludwig – G6
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 Nc6 6. c3 O-O 7. O-O e5 8. Nxe5 Nxe5 9. dxe5 Ng4 10. Nf3 Nxe5
1936 Munich ol (Men) – Round 18 – Ojanen, Kaarle S – 1/2-1/2 – Larsson, Ernst – G39
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. c4 e6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Nbd7 8. Qe2 c5 9. cxd5 exd5 10. Rd1 Qe7
1937 Kemeri – Round ? – Apscheneek, Fricis – 0-1 – Petrov, Vladimir S. – G152
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Bg7 7. O-O O-O 8. b3 b6 9. Bb2 e5 10. dxe5 Ng4
1937 Kemeri LAT – Round 12 – Apscheneek, Fricis – 0-1 – Petrov, Vladimirs – G7
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 c5 5. c3 Nbd7 6. Nbd2 Bg7 7. O-O O-O 8. b3 b6 9. Bb2 e5 10. dxe5 Ng4
1937 Stockholm ol – Round 10 – Petersen, Johannes – 1-0 – Havasi, Kornel – G54
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. Re1 b6 7. Nbd2 Bb7 8. Nf1 Nbd7 9. Ng3 c5 10. c3 Qc7
1938 Trade Unions – Round 12 – Levitas, B – 0-1 – Zagoriansky, Evgeny – G92
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 O-O 6. O-O Nbd7 7. c3 c5 8. Qe2 Qc7 9. Re1 Re8 10. e4 e5
1940 New York ch-USA – Round 10 – Denker, Arnold S – 1/2-1/2 – Kupchik, Abraham – G55
1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. c4 Bg7 5. cxd5 Nxd5 6. e4 Nf6 7. Nc3 O-O 8. Bc4 c6 9. a4 Ne8 10. O-O Bg4
1941 Buenos Aires Circulo – Round 9 – Guimard, Carlos E – 1/2-1/2 – Puiggros, Guillermo – G31
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. c4 Bg7 5. cxd5 O-O 6. Bc4 Nxd5 7. O-O Nc6 8. Bb3 a5 9. Nc3 Be6 10. Nb5 Ncb4
1945 Vina del Mar – Round 8 – Cristia, Jose Maria – 1-0 – Letelier Martner, Rene – G26
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 c5 6. c3 Nbd7 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 cxd4
1946 Buenos Aires – Round 1 – Skalicka, Karel – 0-1 – Feigin, Movsa – G10
1. Nf3 d5 2. d4 Nf6 3. e3 g6 4. Bd3 Nbd7 5. Nbd2 Bg7 6. h3 c5 7. b3 cxd4 8. exd4 Nh5 9. Bb2 Nf4 10. O-O O-O
1946 JUG Ch – Round 6 – Kostic, Boris – 0-1 – Bidev, Pavle – G19
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 O-O 6. O-O Bf5 7. Qe2 Bxd3 8. Qxd3 Nbd7 9. e4 dxe4 10. Nxe4 Nd5
1946 POL Ch – Round 13 – Byrtek, Emanuel – 1-0 – Tarnowski, Alfred – G74
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. b3 O-O 6. Nbd2 c5 7. Ne5 b6 8. O-O Ba6 9. Qe2 Bxd3 10. Qxd3 Ne8
1947 Hilversum zt – Round 5 – O'Sullivan, Bartholomew – 0-1 – Pachman, Ludek – G29
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 c5 6. c3 Nbd7 7. O-O O-O 8. e4 dxe4 9. Nxe4 cxd4 10. cxd4 Nxe4
1947 Yugoslavia Ch – Round 12 – Kulzinski, Nikolaj – 1/2-1/2 – Pirc, Vasja – G58
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Ne4 8. Ne5 Nc6 9. Nd2 cxd4 10. Nxc6 bxc6
1949 BUL Ch – Round 10 – Ganchev, Vladimir – 1/2-1/2 – Bobotsov, Milko G – G50
1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. Bd3 Bg7 5. b3 O-O 6. Bb2 b6 7. O-O Bb7 8. Nbd2 Nbd7 9. Qe2 Ne4 10. Ne5 Nxe5
1949 URS Ch, semi final – Round 8 – Duz-Khotimirsky, Fedor Ivanovich – 0-1 – Aratovsky, Nikolay – G61
1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. Bd3 Bg7 5. Nbd2 O-O 6. O-O Nbd7 7. b3 e5 8. dxe5 Ng4 9. Rb1 Ndxe5 10. Be2 c6
1950 Bled – Round 1 – Puc, Stojan – 0-1 – Stoltz, Gösta – G14
1. Nf3 d5 2. d4 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Bd3 c5 7. O-O Nfd7 8. c4 dxc4 9. bxc4 Nc6 10. Qe2 cxd4
1950 Bled – Round 5 – Puc, Stojan – 1-0 – Vidmar Milan – G30
1. d4 d5 2. e3 Nf6 3. Nf3 g6 4. b3 Bg7 5. Bb2 O-O 6. Bd3 c5 7. O-O Nbd7 8. Nbd2 b6 9. Qe2 Bb7 10. Rfd1 Qc7
1950 It Beverwijk NED – Round 2 – Henneberke, Frans – 1/2-1/2 – Cortlever, Nico – G4
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Nbd2 Bg7 5. c3 Nbd7 6. Be2 O-O 7. O-O c6 8. Qc2 Qc7 9. c4 e5 10. cxd5 Nxd5
1950 Venice – Round 1 – Stalda, Giuseppe – 1/2-1/2 – Nestler, Daniel – G5
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. O-O O-O 6. Nbd2 Nc6 7. c3 e5 8. Nxe5 Nxe5 9. dxe5 Ng4 10. Nf3 c6
1951 Mar del Plata zt – Round 15 – Bauza, Lorenzo – 0-1 – Marini, Liam – G147
1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Nbd2 c5 7. Bd3 Nfd7 8. O-O Nc6 9. Bb5 cxd4 10. exd4 Qb6
1951 Schlechter Memorial – Round ? – Nestler, Vincenzo – 1/2-1/2 – Vidmar, Milan Jr – G12
1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. Bd3 c5 5. c3 Bg7 6. Nbd2 Nbd7 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6
1951 Sopot – Round 6 – Balcarek, Wiktor – 0-1 – Szilagyi, Gyorgy Laszlo – G31
1. d4 d5 2. e3 Nf6 3. Nf3 g6 4. Bd3 Bg7 5. Nbd2 O-O 6. Ne5 Nfd7 7. f4 f6 8. Nxd7 Nxd7 9. O-O e5 10. c3 c6
1951 USA-op52 – Round 9 – Sandrin, Albert – 0-1 – Evans, Larry M – G19
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 c5 6. c3 Qc7 7. O-O Nbd7 8. e4 cxd4 9. cxd4 dxe4 10. Nxe4 Nxe4
1952 Buenos Aires – Round 14 – Benko, Francisco – 1/2-1/2 – Garcia Vera, Romeo – G71
1. Nf3 d5 2. d4 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 c5 6. c3 Nbd7 7. O-O O-O 8. Re1 Qc7 9. e4 cxd4 10. cxd4 dxe4
1952 Helsinki olm – Round 1 – Pedersen, Ebbe – 0-1 – Cobo Arteaga, Eldis – G94
1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. Bd3 Bg7 5. Nbd2 O-O 6. O-O Bf5 7. Qe2 Nbd7 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Bxe4
1952 Helsinki olm – Round 1 – Staahlberg, Gideon – 0-1 – Book, Eero – G95
1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. Bd3 Bg7 5. Nbd2 O-O 6. O-O Nbd7 7. c3 e5 8. dxe5 Ng4 9. Bc2 Ndxe5 10. h3 Nxf3+
1952 ITA-ch15 – Round 8 – Primavera, Giuseppe – 1/2-1/2 – Matteucci, Guido – G39
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. O-O Nbd7 6. c4 c6 7. Nc3 O-O 8. Qc2 Qc7 9. e4 dxc4 10. Bxc4 Nb6
1952 Rio de Janeiro – Round 14 – Engels, Ludwig – 0-1 – Rossetto, Hector – G79
1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. c4 Bg7 5. cxd5 O-O 6. Bc4 Nxd5 7. O-O Nb6 8. Bb3 Na6 9. a4 c5 10. a5 Nd7
1952 URS ch sf – Round 4 – Ragozin, Viacheslav – 1-0 – Nikitin, Aleksander S – G23
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. O-O O-O 6. Nbd2 Bf5 7. Bxf5 gxf5 8. b3 Ne4 9. Bb2 c5 10. c4 Nc6
1953 FRA Ch 28th – Round 4 – Hugot, Claude – 1-0 – Bergraser, Volf – G9
1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. Bd3 c5 5. b3 Nc6 6. Bb2 Bg4 7. h3 Bxf3 8. Qxf3 cxd4 9. exd4 Qa5+ 10. Nc3 Nxd4
1955 Buenos Aires CA – Round 17 – Guimard, Carlos E – 1/2-1/2 – Alvarez Martin, Pedro – G120
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. O-O c5 6. Nbd2 Nbd7 7. b3 O-O 8. Bb2 b6 9. Qe2 Bb7 10. Rfd1 Rc8
1955 Hoogovens – Round 5 – Bergsma, Klaas – 1/2-1/2 – Abalde Perez, Fernando Jose – G27
1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. c4 Bg7 5. cxd5 O-O 6. Be2 Nxd5 7. O-O c6 8. e4 Nb6 9. Be3 Bg4 10. Nbd2 f5
1956 Alekhine Memorial – Round 1 – Sliwa, Bogdan – 0-1 – Stahlberg, Gideon – G29
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 O-O 6. O-O c5 7. c3 Nbd7 8. Qe2 Qc7 9. e4 dxe4 10. Nxe4 Nxe4
1957 CSR-ITA Prague CZE – Round 1 – Nestler, Vincenzo – 1/2-1/2 – Herink, Miroslav – G1
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 O-O 6. O-O Bf5 7. Bxf5 gxf5 8. c4 Nc6 9. b3 a5 10. Bb2 Ne4
1958 Sofia – Round 10 – Tsvetkov, Alexandar K – 1/2-1/2 – Szilagyi, Gyorgy Laszlo – G50
1. Nf3 d5 2. d4 Nf6 3. e3 g6 4. Be2 Bg7 5. b3 O-O 6. Bb2 c6 7. O-O Bg4 8. Nbd2 Nbd7 9. c4 Qc7 10. Rc1 Rad8
1958 Sofia – Round 8 – Tsvetkov, Alexandar K – 1/2-1/2 – Radovici, Corvin – G43
1. Nf3 d5 2. d4 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 a5 7. O-O Ne4 8. c4 c6 9. Nc3 Nxc3 10. Bxc3 Nd7
1958 Torneo de las Americas 1st – Round 9 – Davila, Edmundo – 0-1 – Bisguier, Arthur B – G47
1. Nf3 d5 2. d4 Nf6 3. e3 g6 4. Bd3 c5 5. c3 b6 6. Nbd2 Bg7 7. O-O O-O 8. dxc5 bxc5 9. e4 e6 10. c4 Ba6
1959 Quick Practice – Round ? – Swallow, Richard G – 0-1 – Collins, Richard Arnold – G9
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. c4 Bg4 5. Nc3 Bg7 6. cxd5 Nxd5 7. Ne2 O-O 8. b4 Nxb4 9. Ba3 N8c6 10. Qb3 a5
1959 Reggio Emilia ITA – Round 6 – Romani, Elio – 1/2-1/2 – Lilloni, Luciano – G10
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. O-O O-O 6. b3 Nbd7 7. Bb2 e5 8. dxe5 Ng4 9. Nc3 Ndxe5 10. Be2 c6
1959 York ch-BCF – Round 11 – Curtis, Donald A – 0-1 – Wallis, Philip N – G123
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Nbd2 Bg7 5. c3 Bf5 6. Qb3 Qc8 7. c4 c6 8. Ne5 O-O 9. Be2 Nbd7 10. Ndf3 Nxe5
1960 Buenos Aires – Round 6 – Rossetto, Hector – 1-0 – Korchnoi, Viktor – G67
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. O-O O-O 6. Nbd2 c5 7. c3 Nfd7 8. Qe2 Nc6 9. h3 Re8 10. Bb5 a6
1963 POL Ch 20th – Round 12 – Manasterski, Lutoslaw – 1-0 – Plater, Kazimierz – G72
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. O-O O-O 6. Nbd2 Nbd7 7. c3 c6 8. e4 dxe4 9. Nxe4 Qc7 10. Re1 Nxe4
1964 Corr EU M – Round ? – Bhnk, J – 1/2-1/2 – Schrancz, Istvan – G3
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Nbd2 Bg7 5. Be2 O-O 6. O-O b6 7. c4 dxc4 8. Bxc4 Bb7 9. Re1 Nc6 10. a3 Ne8
Erevan ch-URS 1975 – Round 1 – Gulko, Boris – 1-0 – Geller, Efim P – G17
1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. c4 Bg7 5. cxd5 Nxd5 6. Be2 c5 7. e4 Nb6 8. d5 O-O 9. a4 f5 10. Nbd2 fxe4

D04e — Colle (1931)
1.d4 d5 2.Nf3 Nf6 3.e3 g6
Les coups candidats
4.c4 — 37.1% (1413 parties)
Ambassadeurs : Brousek, Jiri (7x), Rossetto, Hector (4x), Shengelia, David (4x), Koltanowski, George (3x), Tischbierek, Raj (3x), Diener, Reinhard (3x), Sternheimer, Erhard (3x), Nittel, Christian (3x)
4.Bd3 — 33.8% (1285 parties)
Ambassadeurs : Nestler, Vincenzo (3x), Richard, Philippe (3x), Papp, Jozsef (3x), Bindu, Saritha K. (3x), Banoci, Jaroslav (2x), Pasztor, Lorant (2x), Sattoraliyev, Salohiddin (2x), Cox, John J (2x)
4.Be2 — 9.5% (362 parties)
Ambassadeurs : Jensen, Ib (5x), Kovacevic, Vlatko (4x), Dobos, Otto (4x), Camara, Helder (2x), Waterwiese, Gregor (2x), Goertz, Hans (2x), Lakat, Gyula (2x), Zallio, Luciano de Souza (2x)
4.Nbd2 — 8.0% (305 parties)
Ambassadeurs : Rey, Manny (5x), Sanner, Zdzislaw (4x), Schneider, Karl (3x), Smith, Douglas Royston (3x), Bosbach, Jens (2x), Barsov, Alexei (2x), Oker, Bertil (2x), Batsiashvili, Nino (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.c4 4.Bd3 4.Be2 4.Nbd2
<1800 446 31% 37% 11% 7%
1800-2200 1748 35% 36% 9% 8%
2200-2600 825 49% 21% 11% 10%
2600+ 7 86% 14%
Évolution par décennie (% des parties)
Décennie N parties 4.c4 4.Bd3 4.Be2 4.Nbd2
1950s 56 50% 30% 2% 7%
1960s 42 55% 24% 17%
1970s 38 39% 39% 11%
1980s 89 44% 29% 13% 6%
1990s 593 32% 42% 8% 7%
2000s 1260 36% 35% 9% 8%
2010s 1404 39% 32% 10% 8%
2020s 322 38% 23% 14% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.c4 39% 38% -0.4%
4.Bd3 32% 23% ▼ -8.8%
4.Be2 10% 14% ▲ +3.8%
4.Nbd2 8% 8% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie
Parties historiques
4.c4 — 37.1% (1413 parties)
1951 — Simonson, Albert vs Evans, Larry — 0-1 — New York, NY USA
1951 — Urseanu, Veniamin vs Samarian, Sergiu — 0-1 — Bucharest ROU
1952 — Engels, Ludwig vs Rossetto, Hector — 0-1 — Rio de Janeiro BRA
1952 — Eliskases, Erich vs Quesada, Americo — 1/2-1/2 — Havana CUB
1952 — Gonzalez, Juan Carlos vs Sigurdsson, Gudjon — 1-0 — Helsinki olm
4.Bd3 — 33.8% (1285 parties)
1950 — Stalda, Giuseppe vs Nestler, Daniel — 1/2-1/2 — Venice ITA
1951 — Nestler, Vincenzo vs Vidmar, Milan Jr — 1/2-1/2 — Schlechter mem
1951 — Sandrin, Albert vs Evans, Larry — 0-1 — Forth Worth
1951 — Balcarek, Wiktor vs Szilagyi, Gyorgy Laszlo — 0-1 — Sopot
1952 — Pedersen, Eigil vs Cobo Arteaga, Eldis — 0-1 — Helsinki olm
4.Be2 — 9.5% (362 parties)
1958 — Tsvetkov, Aleksandar vs Szilagyi, Gabor — 1/2-1/2 — Sofia BUL
1974 — Camara, Helder vs Schwab, Francisco Carlos Coelho — 1-0 — Rio de Janeiro BRA
1974 — Camara, Helder vs Trois, Francisco R.T. — 1-0 — ?
1975 — Silva Morales, Marco A. vs Gutierrez Herrera, Jose Antonio — 1-0 — Bogota COL
1975 — Miesowicz, Adam vs Bernard, Ryszard — 0-1 — Augustow Tch-POL
4.Nbd2 — 8.0% (305 parties)
1950 — Henneberke, Frans vs Cortlever, Nico — 1/2-1/2 — It Beverwijk NED
1953 — Borochow, Harry vs Ralston, Henry — 1-0 — San Luis Obispo, CA
1959 — Curtis, Donald vs Wallis, Philip N — 0-1 — York ch-BCF
1959 — Hultgren, Neil vs Barrett, Gordon — 0-1 — City Terrace, CA
1961 — Franklin, Michael J vs Ansell, Jeffrey — 1-0 — Aberystwyth

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