C49f — Four Knights: Double Bishops, 6.d3 Bxc3

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Bxc3 * ○ 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 les cases fortes c4 et g5, un avant-poste en c4, un fou actif en b5 et la paire de fous.

Côté adverse. Le fou enfermé en c8 et une pièce en prise (le fou en c3).

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes b4 et d4, un avant-poste en d4, un fou actif en c3 et la paire de fous.

Côté adverse. Le fou enfermé en c1 et un mauvais fou en b5.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...d6 (Libérer Bc8) ; ...Bg4 (Clouer Nf3) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, d3→e4	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c4 (2v0), ● g5 (2v0)	● b4 (2v0), ● d4 (3v1)
Cases faibles	—	—
Centre	—	● d4 (3v1), ● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb5	● Bb5 Actif (mob. 4)
Bc3		● Bc3 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	2 (c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● d3-d4	● …d7-d6, ● …d7-d5

Partie
1902 DSB-13.Kongress – Round 15 – Cohn, Wilhelm – 0-1 – Atkins, Henry Ernest – G70 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 Ne7 9. Nh4 c6 10. Bc4 d5
1903 It (Men) Monte Carlo MNC – Round 25 – Rubinstein, Akiba – 1/2-1/2 – Teichmann, Richard – G119 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bxc6 bxc6 9. h3 h6 10. Rb1 Be6
1905 Barmen-B – Round 1 – Kopa, Ignacy – 0-1 – Forgacs, Leo – G8 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bxc6 bxc6 9. h3 Ne8 10. d4 Ba6
1906 It (Men) Nuerenberg GER – Round 2 – Janowski, Dawid – 1-0 – Leonhardt, Paul – G5 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Rb1 Ne7 9. Re1 c6 10. Bc4 b5
1907 Karlsbad – Round 1 – Maroczy, Geza – 1-0 – Salwe, George – G144 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 Ne7 9. Nh4 Ng6 10. Nxg6 hxg6
1907 Karlsbad – Round 1 – Nimzowitsch, Aron – 1/2-1/2 – Salwe, Georg H S – G92 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 Ne7 9. Nh4 Be6 10. f4 Ng6
1907 Oostende – Round 2 – Janowski, Dawid – 0-1 – Schlechter, Carl – G8 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Ne1 d5 9. Qe2 Bd7 10. Rb1 a6
1907 Ostende II – Round 22 – Znosko-Borovsky, Eugene – 1/2-1/2 – Forgacs, Laszlo – G269 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bxc6 bxc6 9. Be3 Bg4 10. Qe2 Qc8
1908 DSB-16.Kongress – Round 2 – Spielmann, Rudolf – 1-0 – Johner, Paul – G12 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 Ne7 9. Re1 c6 10. Bc4 Ng6
1910 Hamburg Hauptturnier-A – Round ? – Gladig – 0-1 – De Meyer, Alexander – G16 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 Ne7 9. Bg5 Ne8 10. d4 f6
1912 Temesvary – Round 1 – Merenyi, Lajos – 1/2-1/2 – Asztalos, Lajos – G42 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 Ne7 9. Bg5 Ng6 10. Nh4 h6
1921 Vienna – Round 8 – Krejcik, Jiri – 1/2-1/2 – Gruenfeld, Ernst – G20 1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bxc6 bxc6 9. Bg5 h6 10. Bh4 Kh7
1925 Moscow – Round 1 – Bogoljubow, Efim – 1-0 – Gruenfeld, Ernst – G108 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 h6 9. Re1 a6 10. Ba4 Bd7
1931 Bled – Round 1 – Maroczy, Geza – 1/2-1/2 – Asztalos, Lajos – G110 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 Qe7 8. Bxc6 bxc6 9. Re1 d6 10. h3 Be6
1932 Bad Sliac – Round 1 – Canal, Esteban – 1-0 – Engel, Jan – G75 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 Ne7 9. Re1 c6 10. Bc4 b5
1932 Bad Sliac – Round 1 – Canal, Esteban – 1-0 – Treybal, Karel – G73 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 Ne7 9. Re1 Ng6 10. d4 c5
1933 Jakarta sim – Round ? – Frahm, EDG. – 1/2-1/2 – Alekhine, Alexander – G11 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bxc6 bxc6 9. Bg5 h6 10. Bxf6 Qxf6
1933 Moravska Ostrava – Round ? – Canal, Esteban – 1/2-1/2 – Gruenfeld, Ernst – G48 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 Ne7 9. Re1 c6 10. Bc4 Ng6
1936 Zandvoort – Round 11 – Maroczy, Geza – 1/2-1/2 – Gruenfeld, Ernst – G67 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bxc6 bxc6 9. h3 h6 10. Be3 Be6
1936 Zandvoort – Round 7 – Maroczy, Geza – 1/2-1/2 – Spielmann, Rudolf – G49 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bxc6 bxc6 9. h3 h6 10. Rb1 Be6
1938 Ljubljana – Round 15 – Vidmar, Milan Jr – 1/2-1/2 – Preinfalk, Anton – G102 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bxc6 bxc6 9. Bg5 Bg4 10. h3 Bh5
1938 Trade Unions – Round 1 – Rovner, Dmitry – 1/2-1/2 – Kamyshov, Mikhail – G17 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 Ne7 9. Re1 c6 10. Bc4 Ng6
1938 Trade Unions – Round 17 – Lisitsin, Georgy – 1-0 – Lilienthal, Andor – G139 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 Ne7 9. Re1 Ng6 10. d4 Qe7
1939 Buenos Aires ol prel-D – Round 2 – Czerniak, Moshe – 0-1 – Keres, Paul – G4 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 Qe7 8. Re1 d6 9. Bxc6 bxc6 10. d4 Nd7
1946 Hastings4647 – Round 7 – Alexander, Conol Hugh – 1-0 – Abrahams, Gerald – G31 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 Qe7 8. Re1 d6 9. d4 Bg4 10. h3 Bh5
1946 Ostrawa ch CZE – Round 10 – Rohacek, Ivan – 1/2-1/2 – Pachman, Ludek – G16 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bxc6 bxc6 9. Qe2 Bg4 10. h3 Bxf3
1947 Chigorin Memorial – Round 1 – Kholmov, Ratmir D – 1/2-1/2 – Smyslov, Vladimir – G67 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Nd2 Ne7 9. d4 c5 10. Bd3 Ng6
1947 Parnu – Round ? – Renter, Raul – 0-1 – Bronstein, David I – G81 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 Qe7 8. Bxc6 bxc6 9. Bg5 h6 10. Bh4 d6
1948 Hastings Premier 1947/48 23rd – Round 8 – Alexander, Conol Hugh – 0-1 – Thomas, George Alan – G12 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 Qe7 8. Re1 a6 9. Ba4 d6 10. d4 Bg4
1950 Candidats Tournament – Round 3 – Lilienthal, Andor – 1/2-1/2 – Flohr, Salo – G14 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bxc6 bxc6 9. Bg5 h6 10. Bxf6 Qxf6
1956 Moscow olm fin-B – Round 11 – Skold, Kristian – 1/2-1/2 – Noradounghian, Georges – G127 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 Qe7 9. Qe2 Ne8 10. d4 f6
1957 URS Ch, semi final – Round 14 – Chistiakov, Alexander – 0-1 – Nezhmetdinov, Rashid – G131 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 Qe7 8. Re1 d6 9. d4 Bg4 10. d5 Nb8
FIDE World Cup 2025 – Round R2 Classical 1 – A.R. Saleh Salem – 1/2-1/2 – Abhimanyu Mishra – G265 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5 7. Rc1 O-O 8. cxd5 Nbd7 9. f3 Nxc5 10. e4 b5
World Blitz 2015 – Round 8.1 – Andreikin, Dmitry – 0-1 – Carlsen, Magnus – G465 1. Nc3 Nf6 2. e4 e5 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 Ne7 9. Re1 a6 10. Bc4 b5
World Blitz 2017 – Round 6.40 – Miton, Kamil – 0-1 – Nguyen, Ngoc Truong Son – G319 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Nd2 Ne7 9. f4 exf4 10. Rxf4 Ng6
World Blitz 2018 – Round 3.49 – Sokolin, Leonid – 0-1 – Bindrich, Falko – G181 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. h3 h6 9. Bxc6 bxc6 10. Re1 c5

C49f — Double Bishops

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Bxc3

Eval: [+0.27]

Les coups candidats

7.bxc3 — 99.7% (1623 parties)

Ambassadeurs : Janowski, Dawid (12x), Naiditsch, Arkadij (11x), Shuvalova, Polina (10x), Maroczy, Geza (9x), Vidmar, Milan Sr (9x), Nitin, S. (9x), Teichmann, Richard (8x), Lilienthal, Andor (8x)

7.Bxc6 — 0.2% (4 parties)

Ambassadeurs : Bernardez Rodriguez Jaume (2x), Von Bardeleben, Curt (1x), White, Max (1x), Revoledo C (1x), Oshiro Daniel (1x), Zhunussov, Nurlan (1x), Lysyj, Igor (1x)

7.Bg5 — 0.1% (1 parties)

Ambassadeurs : Henrich, Joern (1x), Yena, Michael (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.bxc3	7.Bxc6	7.Bg5
<1800	28	100%	—	—
1800-2200	313	100%	0%	—
2200-2600	798	100%	—	—
2600+	72	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7.bxc3	7.Bxc6	7.Bg5
1870s	1	100%	—	—
1880s	3	67%	33%	—
1890s	23	100%	—	—
1900s	67	100%	—	—
1910s	32	100%	—	—
1920s	33	100%	—	—
1930s	30	100%	—	—
1940s	46	100%	—	—
1950s	43	100%	—	—
1960s	20	100%	—	—
1970s	19	100%	—	—
1980s	45	100%	—	—
1990s	206	100%	—	—
2000s	284	99%	1%	0%
2010s	547	100%	—	—
2020s	229	100%	0%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.bxc3	100%	100%	-0.4%
7.Bxc6	0%	0%	+0.4%
7.Bg5	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 4 parties
Botvinnik, Mikhail — 4 parties
Lasker, Emanuel — 3 parties
Smyslov, Vladimir — 2 parties
Carlsen, Magnus — 2 parties
Hou, Yifan — 2 parties
Karpov, Anatoly — 1 partie

Parties historiques

7.bxc3 — 99.7% (1623 parties)

1879 — Adolf, Feraydo vs Englisch, Berthold — 0-1 — Leipzig GER
1883 — Mason, James vs Winawer, Szymon — 1-0 — London ENG
1885 — Schallopp, Emil vs Schottlaender, Arnold — 1-0 — Hamburg GER
1891 — Hodges, Albert vs Baird, John — 1-0 — New York, NY USA
1891 — Walbrodt, Carl vs Schallopp, Emil — 1/2-1/2 — Berlin GER

7.Bxc6 — 0.2% (4 parties)

1888 — Von Bardeleben, Curt vs White, Max — 1-0 — Bradford/ Yorkshire
2000 — Revoledo C vs Oshiro Daniel — 0-1 — Lima PER
2001 — Bernardez Rodriguez Jaume vs Bernardez Rodriguez Jaume — 0-1 — S Sebastiao do Paraiso
2023 — Zhunussov, Nurlan vs Lysyj, Igor — 0-1 — Astana KAZ

7.Bg5 — 0.1% (1 parties)

2004 — Henrich, Joern vs Yena, Michael — 0-1 — Oberbernhards

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