C49m — Four Knights: Symmetrical, 7.Bg5 Bxc3 8.bxc3 h6
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Bxc3 8.bxc3 h6 * ○ 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 c4, des fous actifs en b5 et g5, la paire de fous et la colonne semi-ouverte b.
Côté adverse. Le fou enfermé en c8.
En contrepartie. Le pion isolé a2.
Plans. h3 (Empêcher ...Bg4) ; c3 (Préparer d4) ; Tour sur colonne b.
Côté adverse. Le fou enfermé en c8.
En contrepartie. Le pion isolé a2.
Plans. h3 (Empêcher ...Bg4) ; c3 (Préparer d4) ; Tour sur colonne b.
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Atouts. Les Noirs s'appuient sur la case forte g4.
Côté adverse. Le pion isolé a2 et un mauvais fou en b5.
En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).
Plans. ...Bg4 (Développer Bc8, clouer Nf3) ; ...d5 (Rupture).
Côté adverse. Le pion isolé a2 et un mauvais fou en b5.
En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).
Plans. ...Bg4 (Développer Bc8, clouer Nf3) ; ...d5 (Rupture).
Avantages
Faiblesses adverses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | ● c2, ● c3 | — |
| Pions isolés | ● a2 | — |
| Arriérés | — | — |
| Chaînes | ● c2→d3, d3→e4 | ● d6→e5, c7→d6, g7→h6 |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● c4 (2v0) | ● g4 (2v0) |
| Cases faibles | — | — |
| Centre | — | ● e5 (2v1) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs | |
| Semi-ouvertes | ● b | — |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bb5 | ● Bb5 Actif (mob. 4) | |
| Bg5 | ● Bg5 Actif (mob. 7) | |
| Bc8 | ● Bc8 Non développé (mob. 5) | |
| Paire de fous | ● Oui | Non |
| Non développées | 1 (a1) | 2 (c8, a8) |
Sécurité du roi
| ♔ Blancs | ♚ Noirs | |
| Statut | ● Roqué | ● Roqué |
| Droits de roque | — | — |
Thèmes
| ♔ Blancs | ♚ Noirs | |
| Phase | Ouverture | |
| Centre | fermé | |
| Ruptures | ● c3-c4, ● d3-d4 | ● …d6-d5 |
| Partie |
|---|
| 1901 Monte Carlo Monte Carlo MNC – Round 13 – Janowski, Dawid – 1/2-1/2 – Marco, Georg – G24 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Kh7 10. Qd2 Bg4 |
| 1902 DSB-13.Kongress – Round 15 – Levin Astorga, Nicolas Daniel – 1/2-1/2 – Gunsberg, Isidor – G69 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bg5 h6 9. Bxf6 Qxf6 10. Bxc6 bxc6 |
| 1907 BCF Ch 4th – Round 2 – Shoosmith, Hector W – 1-0 – Mackenzie, Arthur J – G6 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. h3 Nd8 |
| 1907 Ostende – Round 3 – Schlechter, Carl – 1-0 – Marshall Viele, Fabrizio Aaron – G33 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bg5 h6 9. Bh4 Qe7 10. Re1 Bg4 |
| 1910 DSB-17.Kongress – Round 4 – Yates, Frederic D – 1/2-1/2 – Speijer, Abraham – G22 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bg5 h6 9. Bh4 g5 10. Nxg5 Nxe4 |
| 1911 New York USA – Round 5 – Chajes, Oscar – 1-0 – Baird, David – G12 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 a6 10. Bxc6 bxc6 |
| 1913 Scheveningen – Round ? – Lasker, Edward – 0-1 – Janowski, Dawid – G59 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. Qd2 Nd8 |
| 1913 St Petersburg – Round 1 – Znosko-Borovsky, Eugene – 1/2-1/2 – Důras, Oldřich – G10 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Kh8 10. Re1 g5 |
| 1914 St Petersburg prel – Round ? – Capablanca, Jose – 1/2-1/2 – Lasker, Emanuel – G26 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Bg4 10. h3 Bxf3 |
| 1916 New York Rice prel – Round 3 – Perkins, Frank Kendall – 0-1 – Chajes, Oscar – G7 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. Re1 Nd8 |
| 1920 Amsterdam – Round 1 – Euwe, Max – 0-1 – Baay, Jacob – G10 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Bg4 10. h3 Bd7 |
| 1920 Amsterdam – Round 1 – Euwe, Max – 1/2-1/2 – Speijer, Abraham – G11 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Bg4 10. h3 Bxf3 |
| 1920 Gothenburg – Round 2 – Tarrasch, Siegbert – 1/2-1/2 – Kostic, Barbara – G10 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. Re1 Nd8 |
| 1920 It (Men) Berlin GER – Round 9 – Tarrasch, Siegbert – 1-0 – Spielmann, Rudolf – G15 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. Qd2 Nd8 |
| 1921 Hastings 2122 Premier 2nd – Round 7 – Yates, Frederic D – 0-1 – Scott, Roland Henry – G13 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. Re1 Bg4 |
| 1922 Bad Pistyan Breyer Memorial-A – Round 9 – Wolf Heinrich – 1-0 – Treybal, Karel – G28 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Bg4 10. h3 Bd7 |
| 1924 Hastings Premier Section 1 /25 5th – Round 6 – Maroczy, Geza – 1-0 – Dewing, Leslie Charles Gwyn – G22 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bg5 h6 9. Bh4 Kh8 10. Re1 Rg8 |
| 1924 Weston – Round 7 – Bolland, P. – 1/2-1/2 – Euwe, Max – G18 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Kh8 10. Re1 Rg8 |
| 1924 Weston – Round 7 – Drewitt, John Arthur – 0-1 – Thomas, George Alan – G17 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. Rb1 Kh8 |
| 1925 Baden-Baden – Round 1 – Te Kolste, Jan Willem – 1/2-1/2 – Rosselli del Turco, Stefano – G97 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Kh8 10. Re1 Qe7 |
| 1925 Baden-Baden – Round 1 – Te Kolste, Jan Willem – 1/2-1/2 – Thomas, George Alan – G98 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Kh8 10. Re1 Qe7 |
| 1926 Bardejov – Round 12 – Asztalos, Lajos – 1/2-1/2 – Kostic, Boris – G60 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Kh8 10. Re1 g5 |
| 1926 Ghent – Round 3 – Janowski, Dawid – 1/2-1/2 – Thomas, George Alan – G11 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Kh8 10. Qd2 Bg4 |
| 1928 It BSG Berlin GER – Round 3 – Stoltz, Gosta – 1-0 – Schlage, Willi – G12 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. Re1 Nd8 |
| 1929 Karlsbad – Round 1 – Treybal, Karel – 1/2-1/2 – Thomas, George Alan – G133 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bg5 h6 9. Bh4 Kh8 10. d4 Qe7 |
| 1938 URS Ch, semi final – Round 1 – Tolush, Alexander – 1/2-1/2 – Kasparian, Genrikh – G60 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Ne7 10. Bxf6 gxf6 |
| 1942 Duras 60 Memorial – Round 6 – Podgorny, Jiri – 0-1 – Alekhine, Alexander – G26 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bg5 h6 9. Bh4 Qe7 10. Re1 Nd8 |
| 1946 Pittsburgh Open – Round 1 – Bisguier, Arthur B – 1-0 – Evans, Larry M – G96 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 a6 10. Ba4 Qe7 |
| 1948 Karlovy Vary – Round 16 – Podgorny, Jiri – 0-1 – Richter, Edgar – G156 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bc1 Ne7 10. Re1 c6 |
| 1948 Karlovy Vary – Round 19 – Opocensky, Karel – 0-1 – Stulik, Vlastimil – G184 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bg5 h6 9. Bxf6 Qxf6 10. Bxc6 bxc6 |
| 1949 Oldenburg – Round 12 – Rautenberg, Wilhelm – 0-1 – Enevoldsen, Jens – G50 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. d4 exd4 |
| 1949 URS Ch, semi final – Round 1 – Khasin, Abram – 0-1 – Liublinsky, Victor – G83 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bc1 Ne7 10. Re1 Bd7 |
| 1950 Moskou ch-URS – Round 1 – Sokolsky, Alexey – 1-0 – Alatortsev, Vladimir N. – G104 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 a6 10. Ba4 Qe7 |
| 1950 URS-ch18 – Round ? – Sokolsky, Alexey – 1-0 – Alatortsev, Vladimir N. – G10 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 a6 10. Ba4 Qe7 |
| 1951 Hastings5152 – Round 4 – Barden, Leonard – 1/2-1/2 – Aabel Thomas Eapen – G18 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bg5 h6 9. Bh4 Qe7 10. Re1 Bg4 |
| 1951 San Rafael – Round ? – Toran Albero, Roman – 1/2-1/2 – Letelier Martner, Rene – G52 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. Nd2 Nd8 |
| 1955 Zagreb – Round 10 – Trifunovic, Petar – 1/2-1/2 – Matanovic, Aleksandar – 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. Bg5 h6 9. Bh4 Nb8 10. d4 Qe7 |
| 1961 Moskou – Round 1 – Spassky, Boris V. – 1/2-1/2 – Smyslov, Vladimir – G84 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bg5 h6 9. Bh4 a6 10. Bc4 Bg4 |
| 1962 Lasker Memorial – Round 13 – Minev, Nikolay N – 1/2-1/2 – Udovcic, Mijo – G24 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. Re1 a6 |
| 1962 Varna olm – Round 4 – Myagmarsuren, Lkhamsuren – 1/2-1/2 – Minev, Nikolay N – G131 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. h3 Na5 |
| 1968 Hungary – Round 1 – Szekely, Mihaly – 1-0 – Polgar, Istvan – G122 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. d3 d6 6. O-O O-O 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Nb8 10. d4 Qe7 |
| 1969 YUG Ch 24th – Round 11 – Bertok, Mario Jr. – 1/2-1/2 – Parma, Bruno – G36 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. Bxc6 bxc6 |
| 43. Olympiad 2018 – Round 11.11 – Popovic, Dusan – 0-1 – Radjabov, Teimour – G702 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bg5 h6 9. Bh4 Qe7 10. Re1 a6 |
| FIDE World Cup 2025 – Round R1 Classical 1 – Tin Jingyao – 1/2-1/2 – Lashkin Jegor – G55 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5 |
| Linares 1992 – Round 4 – Speelman, Jon S – 1/2-1/2 – Karpov, Anatoly – G10 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Qe7 10. Re1 Nd8 |
| Reykjavik ISL, 22th Open 2006 – Round 8 – Svidler, Peter – 1/2-1/2 – Svidler, Peter – G20 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Bg5 h6 9. Bh4 Kh8 10. Nd2 g5 |
| TCh-RUS 2008 – Round 7 – Andreikin, Dmitry – 1/2-1/2 – Zvjaginsev, Vadim – G193 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Bd7 10. Qd2 a6 |
| Thessaloniki olm 1988 – Round 14 – Campora, Daniel H. – 0-1 – Anand, Viswanathan – G132 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Bd7 10. d4 Qe7 |
-
- C40-C49 1. e4 e5 2. Nf3 King's knight opening, C49 - 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 - Four Knights [+0.11], C49m - 5.O-O O-O 6.d3 d6 7.Bg5 Bxc3 8.bxc3 h6 - Symmetrical [+0.27], SÉRIE C
1902 DSB-13.Kongress – Round 15 – Levin Astorga, Nicolas Daniel – 1/2-1/2 – Gunsberg, Isidor – G69
- Lire la suite













Alekhine, Alexander — 2 parties
Anand, Viswanathan — 2 parties
Lasker, Emanuel — 1 partie
Tal, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Karpov, Aleksandr — 1 partie
1891 — Hodges, Albert vs Baird, John — 1-0 — New York, NY USA
1891 — Von Bardeleben, Curt vs Von Scheve, Theodor — 1-0 — Berlin GER
1898 — Janowski, Dawid vs Tarrasch, Siegbert — 1-0 — Vienna AUT
1898 — Janowski, Dawid vs Tarrasch, Siegbert — 1-0 — Vienna AUT
1913 — Opocensky, Karel vs Balogh, Janos — 0-1 — Debrecen HUN
1927 — Post, Erhard vs Nyholm, Gustav — 0-1 — Stockholm SWE
1931 — Koshnitsky, Gregory vs Goldstein, Maurice Edwards — 1/2-1/2 — Melbourne AUS
1946 — Troianescu, Octav vs Tsvetkov, Alexandar K — 0-1 — ?
1948 — Opocensky, Karel vs Stulik, Vlastimil — 0-1 — Karlovy Vary
1971 — Cook, Roger S. vs Vassilaropoulos, Nicholas — 1-0 — Adelaide AUS
1990 — Kofidis, Andreas vs Zahilas, Loukas N. — 1/2-1/2 — ?
1992 — Rossmann, Andreas vs Van Bentum, Horst — 1/2-1/2 — Oberliga Nord N9192
1986 — Canda, Danilo vs Sieiro Gonzalez, Luis — 1/2-1/2 — Havana CUB
1990 — Alfonso Jimenez, Pedro Alberto vs Haines, Duncan — 1/2-1/2 — ESP
1995 — Briggs, Philip J vs Bouchaud, Vincent — 1-0 — Hastings Masters
1995 — Briggs, Philip J vs Bouchaud, Vincent — 1-0 — Hastings ENG