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

abcdefgh

Atouts. Les Blancs s'appuient sur la case forte e5 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nbd2 (Développer Nb1) ; Bd2 (Développer Bc1) ; Bd3 (Développer Bf1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes e4, g4 et f5, un avant-poste en e4 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...Bd6 (Développer Bf8) ; ...e6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

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-c3, ● e3-e4	● …e7-e6, ● …e7-e5

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:

1.d4 d5 2.Nf3 Nf6 3.e3 g6

Eval: [+0.37]

Les coups candidats

4.c4 — 37.3% (1396 parties)

Ambassadeurs : Guimard, Carlos E (7x), Bourgoin, Claude (7x), Brousek, Jiri (7x), Koltanowski, George (6x), Wuensch, Ulrich (6x), Sambuev, Bator (6x), Bogdanovich, Grigory (5x), Bartsch, Christian (5x)

4.Bd3 — 34.2% (1279 parties)

Ambassadeurs : Allegranti, Luca (4x), Finegold, Benjamin (3x), Ahumuza Treasure Calton (3x), Richard, Philippe (3x), Opara, Carl F (3x), Papp, Jozsef (3x), Dobos, Otto (3x), Cristia, Jose Maria (2x)

4.Be2 — 9.4% (350 parties)

Ambassadeurs : Jensen, Ib (5x), Dobos, Otto (4x), Winter, Malcolm J (4x), Kovacevic, Vlatko (3x), Pham, Le Thao Nguyen (3x), Le, Phu Nguyen Thao (3x), Gyomber, Tamas (3x), Waterwiese, Gregor (2x)

4.Nbd2 — 7.9% (294 parties)

Ambassadeurs : Rey, Manny (6x), Smith, Douglas Royston (4x), Sanner, Zdzislaw (4x), Paniga, Danilo (4x), Ankitha Goud Palle (3x), Pasta, Pietro (3x), Koellner, Ruben Gideon (3x), Danner, Georg (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	253	36%	35%	8%	9%
1800-2200	1562	34%	37%	10%	8%
2200-2600	853	49%	22%	11%	9%
2600+	7	86%	—	14%	—

Évolution par décennie (% des parties)

Décennie	N parties	4.c4	4.Bd3	4.Be2	4.Nbd2
1900s	1	100%	—	—	—
1920s	8	75%	—	25%	—
1930s	21	43%	48%	5%	5%
1940s	25	36%	56%	—	—
1950s	56	50%	30%	2%	7%
1960s	42	55%	24%	—	17%
1970s	38	39%	39%	11%	—
1980s	90	44%	29%	13%	6%
1990s	588	31%	43%	9%	6%
2000s	1256	36%	35%	9%	8%
2010s	1396	39%	32%	10%	8%
2020s	218	40%	23%	14%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.c4	39%	40%	▲ +1.8%
4.Bd3	32%	23%	▼ -9.2%
4.Be2	10%	14%	▲ +3.9%
4.Nbd2	8%	7%	▼ -1.0%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie

Parties historiques

4.c4 — 37.3% (1396 parties)

1907 — Van Vliet, Lodewijk vs John Wade Wec-Nyin — 1/2-1/2 — Ostende II
1920 — Erichsen, Axel Martinius vs Aalheim, T. — 1/2-1/2 — Goteborg SWE
1922 — Kruger, Paul vs Hilse, Wilhelm H — 1/2-1/2 — Bad Oeynhausen GER
1923 — Brinckmann, Alfred vs Wegemund, Otto — 0-1 — ?
1923 — Brinckmann, Alfred vs Wegemund, Hubert — 0-1 — Frankfurt GER

4.Bd3 — 34.2% (1279 parties)

1930 — Voellmy, Erwin vs Frey, Thierry — 1-0 — Lausanne SUI
1930 — Muhlstein, Pavel vs Flohr, Salo — 0-1 — Karlovy Vary
1931 — Richter, Kurt P vs Roedl, Ludwig — 1/2-1/2 — Swinemuende GER
1931 — Engels, Ludwig vs Bogoljubow, Efim — 0-1 — Swinemuende
1936 — Ivanissevich, P. vs Abata Molina, Santiago Andres — 1/2-1/2 — Argentina

4.Be2 — 9.4% (350 parties)

1921 — Brekke, Jacok E vs Nimzowitsch, Aron — 0-1 — Kristiania
1921 — Brekke, Asmund vs Nimzowitsch, Aaron — 0-1 — Oslo NOR
1937 — Petersen, Johannes vs Havasi, Kornel — 1-0 — Stockholm SWE
1958 — Tsvetkov, Alexandar K vs Szilagyi, Gyorgy Laszlo — 1/2-1/2 — Sofia BUL
1974 — Camara, Helder vs Schwab, Francisco Carlos Coelho — 1-0 — Rio de Janeiro BRA

4.Nbd2 — 7.9% (294 parties)

1931 — Colle, Edgar vs Bogoljubow, Efim — 0-1 — Bled SLO
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 A vs Wallis, Philip N — 0-1 — York ch-BCF
1959 — Hultgren, Neil vs Barrett, Gordon — 0-1 — City Terrace, CA

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