C49e — Four Knights: Double Bishops, 6.d3

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Atouts. Les Blancs s'appuient sur les cases fortes c4, d5 et g5, un avant-poste en c4, un fou actif en b5 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

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

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Atouts. Les Noirs s'appuient sur la case forte d4, un avant-poste en d4, un fou actif en b4 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), ● d5 (2v1), ● g5 (2v0)	● d4 (2v1)
Cases faibles	—	—
Centre	● d5 (2v1), ● e4 (2v1)	● d4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb5	● Bb5 Actif (mob. 4)
Bb4		● Bb4 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
1908 Prague – Round 2 – Maroczy, Geza – 1/2-1/2 – Rabinovich, Abram – G29 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Nd4 7. Ba4 d6 8. Nxd4 exd4 9. Ne2 d5 10. e5 Ng4
1909 BCF Ch 6th – Round 4 – Atkins, Henry Ernest – 1-0 – Holmes, Harry – G19 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Bg5 Bxc3 8. bxc3 Nd8 9. d4 Ne6 10. Bxf6 gxf6
1910 DSB-17.Kongress – Round 17 – Yates, Frederic D – 0-1 – Marshall Viele, Fabrizio Aaron – G109 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d5 7. exd5 Nxd5 8. Bg5 Be7 9. Bxc6 bxc6 10. Bxe7 Qxe7
1911 Karlsbad – Round 1 – Cohn, Erich – 1/2-1/2 – Marshall Viele, Fabrizio Aaron – G231 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d5 7. Bxc6 bxc6 8. Nxe5 Bxc3 9. bxc3 dxe4 10. Ba3 Re8
1911 Karlsbad – Round 1 – Cohn, Erich – 1/2-1/2 – Perlis, Julius – G216 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Nd4 7. Bc4 c6 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nxf3+
1911 Karlsbad – Round 1 – Leonhardt, Paul – 1/2-1/2 – Suechting, Hugo – G223 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Re8 7. Bg5 a6 8. Ba4 b5 9. Bb3 Be7 10. a4 b4
1911 Karlsbad – Round 1 – Perlis, Julius – 1-0 – Alekhine, Alexander – G161 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 Nd4 7. Nxd4 exd4 8. Ne2 c6 9. Ba4 d5 10. e5 Ng4
1911 New York USA – Round 13 – Kreymbourg, A. – 1/2-1/2 – Marshall Viele, Fabrizio Aaron – G23 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d5 7. Bxc6 bxc6 8. Nxe5 Bxc3 9. bxc3 dxe4 10. d4 Nd5
1911 San Sebastian – Round 10 – Tarrasch, Siegbert – 1/2-1/2 – Marshall Viele, Fabrizio Aaron – G63 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d5 7. Bxc6 bxc6 8. Nxe5 Bxc3 9. bxc3 dxe4 10. Ba3 Re8
1911 San Sebastian – Round 15 – Tarrasch, Siegbert – 0-1 – Důras, Oldřich – G95 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Nd4 7. Bc4 c6 8. Nxd4 exd4 9. Ne2 Bc5 10. Bg5 h6
1912 Bad Pistyan – Round 10 – Sterk, Karoly – 1-0 – Marshall Viele, Fabrizio Aaron – G41 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d5 7. Nxd5 Nxd5 8. exd5 Qxd5 9. Bc4 Qd6 10. c3 Bc5
1912 DSB-18.Kongress – Round 12 – Cohn, Erich – 0-1 – Marshall Viele, Fabrizio Aaron – G95 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d5 7. Bg5 Bxc3 8. bxc3 dxe4 9. Bxc6 bxc6 10. Nxe5 Qd6
1912 DSB-18.Kongress – Round 8 – Barasz, Zsigmond – 1/2-1/2 – Marshall Viele, Fabrizio Aaron – G64 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d5 7. Bxc6 bxc6 8. Nxe5 Bxc3 9. bxc3 dxe4 10. d4 Nd5
1912 It (Men) Bad Pistyan CZE – Round 1 – Salwe, Georg – 1/2-1/2 – Marshall Viele, Fabrizio Aaron – G6 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d5 7. Bxc6 bxc6 8. Nxe5 Bxc3 9. bxc3 dxe4 10. d4 Nd5
1912 It (Men) San Sebastian ESP – Round 8 – Spielmann, Rudolf – 0-1 – Marshall, Frank – G19 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d5 7. exd5 Nxd5 8. Bg5 Be7 9. Nxd5 Bxg5 10. Nxg5 Qxg5
1913 Havana – Round 1 – Kupchik, Abraham – 1/2-1/2 – Marshall Viele, Fabrizio Aaron – G47 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d5 7. exd5 Nxd5 8. Bg5 Be7 9. Bxe7 Ndxe7 10. h3 a6
1915 New York USA – Round 8 – Bernstein, Jan – 0-1 – Marshall Viele, Fabrizio Aaron – G11 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d5 7. exd5 Nxd5 8. Nxd5 Qxd5 9. Bxc6 bxc6 10. Qe2 Re8
1923 USA-09.Kongress – Round 13 – Hodges, Albert – 1/2-1/2 – Marshall, Frank – G22 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d5 7. Nxd5 Nxd5 8. exd5 Qxd5 9. Bxc6 bxc6 10. Qe2 Re8
1924 Gyor – Round 1 – Exner, Gyozo – 0-1 – Vajda, Arpad – G53 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Nd4 7. Nxd4 exd4 8. Ne2 c6 9. Ba4 d5 10. f3 dxe4
1924 Gyor – Round 1 – Exner, Gyozo – 1/2-1/2 – Asztalos, Lajos – G54 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Bg5 Bxc3 8. bxc3 h6 9. Bc1 d6 10. Re1 Nd8
1924 Gyor – Round 1 – Gruber, Sebastian – 0-1 – Asztalos, Lajos – G51 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Ne2 d5 8. Ng3 dxe4 9. dxe4 Bg4 10. Bxc6 bxc6
1929 Karlsbad – Round 1 – Maroczy, Geza – 1-0 – Marshall Viele, Fabrizio Aaron – G134 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Nd4 7. Nxd4 exd4 8. Ne2 d5 9. exd5 Qxd5 10. Bc4 Qd8
1937 Stockholm ol – Round 14 – Apscheneek, Fricis – 1-0 – Fine, Reuben – G80 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Bg5 Bxc3 8. bxc3 Nd8 9. d4 d6 10. d5 h6
1939 Buenos Aires ARG – Round 1 – Tautvaisas, Povilas – 0-1 – Pleci, Isaias – G3 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Nd4 7. Bc4 d6 8. Nxd4 exd4 9. Ne2 c5 10. Bg5 h6
1946 Nottingham ch-BCF – Round 4 – Milner Barry, Philip – 0-1 – Abrahams, Gerald – G37 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Ne2 d5 8. c3 Bd6 9. Ng3 dxe4 10. dxe4 h6
1954 Prague zt Prague CZE – Round 6 – Lundin, Erik – 0-1 – Sliwa, Bogdan – G24 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Ne7 7. Ne2 c6 8. Ba4 Ng6 9. c3 Be7 10. Ng3 d5
1957 Przepiorka Memorial – Round 13 – Fichtl, Jiri – 1/2-1/2 – Sliwa, Bogdan – G83 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Ne7 7. Bc4 Ng6 8. Bg5 Bxc3 9. bxc3 h6 10. Bd2 c6

C49e — Double Bishops

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

Eval: [+0.18]

Les coups candidats

6…d6 — 71.0% (4779 parties) →

Ambassadeurs : Jovanovic, Bratislav M (53x), Janowski, Dawid (36x), Maroczy, Geza (27x), Capablanca, Jose (26x), Tarrasch, Siegbert (23x), Teichmann, Richard (22x), Schlechter, Carl (20x), Rubinstein, Akiba (18x)

6…Bxc3 — 24.2% (1629 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)

6…Nd4 — 1.5% (98 parties)

Ambassadeurs : Zukertort, Johannes (3x), MacKenzie, George H (2x), Perlis, Julius (2x), Kostic, Boris (2x), Capablanca, Jose (2x), Maroczy, Geza (2x), Lehmann David (2x), Kuge, Tom (2x)

6…Re8 — 1.1% (73 parties)

Ambassadeurs : Tosic, Miroslav (4x), Bird, Henry (2x), Bogousslavsky, Quentin (2x), Bier, Max (1x), Minckwitz, Johannes (1x), White, Max (1x), Winawer, Szymon (1x), Maróczy, Géza (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…d6	6…Bxc3	6…Nd4	6…Re8
<1800	153	76%	18%	2%	1%
1800-2200	1585	76%	20%	2%	1%
2200-2600	2755	69%	29%	1%	1%
2600+	184	60%	39%	—	1%

Évolution par décennie (% des parties)

Décennie	N parties	6…d6	6…Bxc3	6…Nd4	6…Re8
1870s	2	—	50%	—	50%
1880s	34	79%	9%	9%	3%
1890s	78	65%	29%	—	4%
1900s	239	69%	28%	2%	—
1910s	218	73%	15%	4%	0%
1920s	154	75%	21%	2%	—
1930s	78	55%	38%	3%	—
1940s	86	43%	53%	—	—
1950s	93	49%	46%	—	—
1960s	77	70%	26%	4%	—
1970s	84	76%	23%	—	1%
1980s	170	71%	26%	2%	—
1990s	1082	75%	19%	1%	2%
2000s	1565	76%	18%	2%	1%
2010s	2209	71%	25%	1%	1%
2020s	558	55%	41%	1%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…d6	71%	55%	▼ -15.9%
6…Bxc3	25%	41%	▲ +16.2%
6…Nd4	1%	1%	▼ -0.6%
6…Re8	1%	2%	+0.4%

Joueurs célèbres

Champions du monde dans cette position

Lasker, Emanuel — 10 parties
Euwe, Max — 10 parties
Alekhine, Alexander — 9 parties
Botvinnik, Mikhail — 6 parties
Smyslov, Vladimir — 6 parties
Anand, Viswanathan — 5 parties
Karpov, Anatoly — 4 parties
Hou, Yifan — 3 parties
Carlsen, Magnus — 3 parties
Steinitz, Wilhelm — 2 parties
Tal, Mikhail — 2 parties
Karpov, Aleksandr — 2 parties
Ju, Wenjun — 1 partie

Parties historiques

6…d6 — 71.0% (4779 parties)

1880 — Bier, Max vs Riemann, Fritz — 1/2-1/2 — Braunschweig
1881 — Clerc, Albert vs Chamier, Edward — 0-1 — Paris FRA
1882 — Paulsen, Louis vs Hruby, Vincenz — 1/2-1/2 — Vienna AUT
1882 — Mason, James vs Zukertort, Johannes — 1/2-1/2 — Vienna AUT
1882 — White, Max vs Zukertort, Johannes — 1-0 — Vienna AUT

6…Bxc3 — 24.2% (1629 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
1888 — Von Bardeleben, Curt vs White, Max — 1-0 — Bradford/ Yorkshire
1891 — Hodges, Albert vs Baird, John — 1-0 — New York, NY USA

6…Nd4 — 1.5% (98 parties)

1886 — MacKenzie, George H vs Zukertort, Johannes — 1-0 — London ENG
1887 — MacKenzie, George H vs Zukertort, Johannes — 1/2-1/2 — DSB-05.Kongress
1887 — McKenzie, George vs Zukertort, Johannes — 1/2-1/2 — Frankfurt GER
1906 — Schrader, Edward F vs Stacy, FN. — 0-1 — Chicago, IL USA
1908 — Maroczy, Geza vs Rabinovich, Abram — 1/2-1/2 — Prague CZE

6…Re8 — 1.1% (73 parties)

1879 — Bier, Max vs Minckwitz, Johannes — 0-1 — Leipzig GER
1882 — White, Max vs Winawer, Szymon — 0-1 — Vienna AUT
1893 — Walbrodt, Carl vs Varain, Ernst — 1-0 — Kiel GER
1899 — Maróczy, Géza vs Bird, Henry — 1-0 — London ENG
1899 — Maroczy, Geza vs Bird, Henry — 1-0 — London ENG

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