C49h — Four Knights: Symmetrical, Maroczy System

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Ne2 * ● Trait aux Noirs

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 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

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes g4 et c5, 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. ...Bg4 (Développer Bc8, 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	● d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c4 (2v0), ● g5 (2v0)	● g4 (2v0), ● c5 (2v0)
Cases faibles	● d4	—
Centre	—	● e5 (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. 5)
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	● c2-c3, ● d3-d4	● …d6-d5

Partie
1900 Paris – Round 3 – Assiga Simon Didier – 0-1 – Showalter, Jackson – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bb4 5. d3 d6 6. O-O O-O 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 Ng6 10. Bg5 h6
1904 Cambridge Springs – Round 5 – Schlechter, Carl – 1-0 – Napier, William – G24 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Ba5 9. Ng3 Bb6 10. h3 Nh5
1904 Cambridge Springs – Round 6 – Delmar, Eugene – 0-1 – Showalter, Jackson – G31 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 Ng6 10. h3 c6
1905 It (Men) Barmen GER – Round 13 – Kostic, Boris – 1/2-1/2 – Forgacs, Leo – G145 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bc5 8. c3 Bb6 9. Ng3 Ne7 10. Bg5 Ng6
1905 It (Men) Barmen GER – Round 9 – Kostic, Boris – 1-0 – Morrison, John – G101 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bc5 9. Bxc6 bxc6 10. Ng3 Nh5
1905 Ostende – Round 6 – Janowsky, D. – 0-1 – D Marco, Gianni – G21 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 c6 9. Ba4 Ng6 10. d4 h6
1905 Scheveningen – Round 1 – Leussen, Benjamin – 1-0 – Důras, Oldřich – G18 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Ba5 9. Ng3 Bb6 10. h3 Bd7
1905 Scheveningen – Round 6 – Leussen, Benjamin – 1-0 – Důras, Oldřich – G22 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Ba5 9. Ng3 Bb6 10. h3 Bd7
1907 Berlin Jubilee – Round 8 – Teichmann, Richard – 1/2-1/2 – Leonhardt, Paul – G36 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 c6 10. Ba4 Ng6
1907 Brno Morava – Round 6.4 – Treybal, Frantisek – 1/2-1/2 – Prokes, Ladislav – G11 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 Ng6 10. d4 Bb6
1907 Brno Morava – Round 8.3 – Treybal, Frantisek – 1/2-1/2 – Treybal, Karel – G14 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Ba5 9. Ng3 Nh5 10. h3 Nxg3
1907 It (Men) San Sebastian ESP – Round 9 – Maroczy, Geza – 1/2-1/2 – Důras, Oldřich – G22 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 Bd7 9. Bxd7 Qxd7 10. c3 Ba5
1907 Karlsbad – Round 1 – Maroczy, Geza – 1-0 – Důras, Oldřich – G148 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Nh5 8. c3 Ba5 9. Ng3 Nf4 10. Bxc6 bxc6
1907 Karlsbad – Round 1 – Maroczy, Geza – 1/2-1/2 – Vidmar Milan – G142 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 Ng6 9. c3 Ba5 10. h3 c6
1907 Karlsbad – Round 1 – Nimzowitsch, Aron – 1/2-1/2 – Maroczy, Geza – G85 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 c6 9. Ba4 Ng6 10. h3 d5
1907 Karlsbad – Round 1 – Wolf Heinrich – 1/2-1/2 – Maroczy, Geza – G140 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 c6 10. Ba4 Ng6
1907 Ostende – Round 1 – Janowski, Dawid – 1/2-1/2 – Tarrasch, Siegbert – G13 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 Ng6 9. c3 Ba5 10. d4 c6
1907 Ostende II – Round 10 – Nimzowitsch, Aron – 1-0 – Cohn, Wilhelm – G126 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bc5 9. Ng3 Nh5 10. Nf5 Qf6
1907 Ostende II – Round 15 – Salwe, Georg – 1-0 – Mortimer, James – G183 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 c6 9. Ba4 Ng6 10. c3 Ba5
1907 Ostende II – Round 23 – Nimzowitsch, Aron – 1-0 – Schories, Georg – G276 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bc5 9. Ng3 Nh5 10. Nf5 Bxf5
1907 Ostende II – Round 26 – Salwe, Georg – 1/2-1/2 – Důras, Oldřich – G313 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Nh5 8. c3 Ba5 9. Ng3 Nf4 10. d4 Qf6
1908 Lodz mt – Round 1 – Salwe, George – 1/2-1/2 – Marshall Viele, Fabrizio Aaron – G2 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. Bxc6 bxc6 9. Ne1 d5 10. f3 Bc5+
1908 Lodz mt – Round 2 – Rubinstein, Akiba – 1-0 – Marshall Viele, Fabrizio Aaron – G3 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. Be3 Nh5 9. Bxc6 bxc6 10. Ne1 d5
1908 Prague – Round 10 – Maroczy, Geza – 1/2-1/2 – Teichmann, Richard – G89 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 Ng6 9. c3 Ba5 10. d4 c6
1908 Prague – Round 13 – Teichmann, Richard – 1/2-1/2 – Schlechter, Carl – G110 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 c6 10. Ba4 Ng6
1908 Prague – Round 16 – Schlechter, Carl – 0-1 – Marshall, Frank – G129 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bxf3 9. gxf3 Bc5 10. Ng3 Qc8
1908 Prague – Round 17 – Teichmann, Richard – 1/2-1/2 – Marshall, Frank – G136 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bxf3 9. gxf3 Bc5 10. Bxc6 bxc6
1908 Prague – Round 4 – Maroczy, Geza – 0-1 – Leonhardt, Paul – G45 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 c6 9. Ba4 Ng6 10. c3 Ba5
1908 Prague – Round 7 – Kvicala, Jan – 1/2-1/2 – Schlechter, Carl – G69 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 Ng6 10. d4 exd4
1908 Vienna – Round 1 – Maroczy, Geza – 1-0 – Swiderski, Radoslaw – G22 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Qe7 8. c3 Bc5 9. Ng3 Ne8 10. h3 h6
1908 Vienna – Round 1 – Maroczy, Geza – 1-0 – Swiderski, Rudolf – G21 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Qe7 8. c3 Bc5 9. Ng3 Ne8 10. h3 h6
1908 Vienna – Round 15 – Teichmann, Richard – 1-0 – Von Bardeleben, Curt – G151 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 c6 10. Ba4 Ng6
1908 Vienna – Round 18 – Schlechter, Carl – 1/2-1/2 – Důras, Oldřich – G181 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 c6 10. Ba4 Ng6
1909 It (Men) St Petersburg RUS – Round 10 – Teichmann, Richard – 1/2-1/2 – Rubinstein, Akiba – G32 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 Ng6 10. d4 c6
1909 St Petersburg – Round 1 – Teichmann, Richard – 1-0 – Burn, Allan – G79 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 c6 10. Ba4 Ng6
1909 St Petersburg – Round 1 – Znosko-Borovsky, Eugene – 1/2-1/2 – Teichmann, Richard – G74 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 Ng6 10. d4 c6
1911 San Sebastian – Round 5 – Maroczy, Geza – 0-1 – Leonhardt, Paul – G30 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 c6 9. Ba4 Ng6 10. c3 Ba5
1912 DSB-18.Kongress – Round 11 – Teichmann, Richard – 1-0 – Breyer, Gyula – G84 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bxf3 9. gxf3 Bc5 10. Bxc6 bxc6
1913 Scheveningen – Round ? – Janowski, Dawid – 0-1 – Yates, Frederic D – G58 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 c6 9. Ba4 Ng6 10. d4 Be6
1913 Scheveningen – Round ? – Te Kolste, Jan Willem – 1-0 – Lasker, Edward – G60 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Ba5 9. Bxc6 bxc6 10. Ng3 Bb6
1913 Scheveningen – Round 3 – Janowski, Dawid – 1-0 – Geus, Klaas – G18 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bc5 8. Ng3 Ne7 9. d4 exd4 10. Nxd4 Bg4
1913 Scheveningen – Round 9 – Janowski, Dawid – 1-0 – Loman, Rudolf – G26 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 Ng6 9. d4 c6 10. Ba4 Bg4
1920 Berlin2 – Round 1 – Bodenstein, P. – 0-1 – Saemisch, Friedrich – G16 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 c6 9. Ba4 Ba5 10. Bg5 Ne8
1920 Stockholm – Round 11 – Nimzowitsch, Aron – 1-0 – Olson, Anton – G14 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bc5 9. Bxc6 bxc6 10. Ng3 Nh5
1921 Bad Aussee m – Round 1 – Maroczy, Geza – 1/2-1/2 – Euwe, Max – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 c6 9. Ba4 Ng6 10. c3 Ba5
1922 Bad Pistyan Breyer Memorial-A – Round 19 – Euwe, Max – 0-1 – Bogoljubow, Efim – G61 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bc5 9. Ng3 Nh5 10. Nf5 Bb6
1922 Londen – Round 3 – Maroczy, Geza – 0-1 – Bogoljubow, Efim – G13 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bc5 8. c3 Bb6 9. Ng3 Kh8 10. Be3 Ng4
1923 Karlsbad – Round ? – Wolf Heinrich – 0-1 – Yates, Frederic D – G151 1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bc5 8. c3 Bb6 9. Ng3 h6 10. Kh1 Ne7
1923 Karlsbad – Round 1 – Maroczy, Geza – 1/2-1/2 – Rubinstein, Akiba – G89 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 c6 9. Ba4 Ng6 10. c3 Ba5
1923 Karlsbad – Round 1 – Wolf, Hans-Josef – 0-1 – Yates, Frederic D – G66 1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bc5 8. c3 Bb6 9. Ng3 h6 10. Kh1 Ne7
1924 Weston – Round 4 – Znosko-Borovsky, Eugene – 1-0 – Bolland, Benno – G11 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 c6 9. Ba4 Nd7 10. c3 Ba5
1926 Lake Hopatcong – Round 1 – Maroczy, Geza – 1/2-1/2 – Kupchik, Abraham – G5 1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Bc5 9. d4 exd4 10. cxd4 Bb6
1926 Lake Hopatcong – Round 9 – Maroczy, Geza – 1/2-1/2 – Kupchik, Abraham – G19 1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Bc5 9. d4 exd4 10. cxd4 Bb6
1929 Ramsgate schev – Round 3 – Maroczy, Geza – 1-0 – Tylor, Theodore Henry – G13 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bc5 9. Be3 Bb6 10. Kh1 Ne7
1929 Ramsgate schev – Round 5 – Maroczy, Geza – 1-0 – Yates, Frederic D – G8 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 c6 9. Ba4 Ng6 10. c3 Ba5
1930 Hamburg olm – Round 1 – Maroczy, Geza – 1-0 – Gilfer, Eggert – G49 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 c6 10. Ba4 Ng6
1930 Scarborough – Round 7 – Maroczy, Geza – 1-0 – Yates, Frederic D – G39 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 Ng6 10. d4 Qe7
1932 Bad Sliac – Round 1 – Canal, Esteban – 1-0 – Bogoljubow, Efim – G72 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bc5 8. c3 Bb6 9. Ng3 Ne7 10. Bg5 c6
1932 Bad Sliac – Round 1 – Maroczy, Geza – 1/2-1/2 – Canal, Esteban – G69 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 c6 10. Ba4 Ng6
1933 Folkestone olm – Round 12 – Treybal, Karel – 1-0 – Le Page, Gaetan – G28 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bc5 9. Be3 Bb6 10. Ng3 Ne7
1934 Trebitsch mem17 – Round 10 – Fischer, Felix – 0-1 – Becker, Albert – G20 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bc5 9. Ng3 Nh5 10. Nxh5 Bxh5
1938 GBR Ch 31st – Round 3 – Tylor, Theodore Henry – 1-0 – Thomas, George Alan – G9 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 a6 8. Bxc6 bxc6 9. Ng3 Ne8 10. d4 Bg4
1938 Trade Unions – Round 4 – Panov, Vasily – 1-0 – Lilienthal, Andor – G42 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bc5 9. Ng3 Nh5 10. Kh1 Nxg3+
1948 Venice – Round 1 – Canal, Esteban – 1-0 – Euwe, Max – G74 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bc5 9. Ng3 Nh5 10. Nf5 Bb6
1949 Leningrad – Round 7 – Shamaev, Leonid – 1-0 – Levenfish, Grigory – G57 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bc5 9. Ng3 Nh5 10. Nxh5 Bxh5
1950 Moskou ch-URS – Round ? – Averbakh, Yuri L – 0-1 – Keres, Paul – G150 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 c6 10. Ba4 Ng6
1954 Amsterdam olm – Round 1 – Lundin, Erik – 0-1 – Smyslov, Vladimir – G138 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bd7 8. c3 Bc5 9. Bg5 h6 10. Bh4 Kh8
1959 Budapest-Leningrad m – Round 4.7 – Honfi, Karoly – 1/2-1/2 – Byvshev, Vasily – G17 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bxf3 9. gxf3 Bc5 10. d4 Bb6
1960 ITA-HUN – Round 1 – Honfi, K. – 1-0 – Baldanello, M. – G13 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Bg4 8. c3 Bxf3 9. gxf3 Bc5 10. Bxc6 bxc6
1963 GDR Ch Aschersleben GER – Round 2 – Liebert, Heinz – 0-1 – Starck, Bodo – G12 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 c6 10. Ba4 Ng6
20. European Teams 2015 – Round 5.1 – Safarli, Elmir – 1/2-1/2 – Jakovenko, Dmitry – G194 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 c6 10. Ba4 Ng6
42. Olympiad 2016 – Round 3.19 – Blomqvist, Erik – 0-1 – Kovalenko, Igor – G195 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 c6 10. Ba4 Ng6
Saint Louis Rapid 2019 – Round 4.5 – Yu, Yangyi – 1-0 – Mamedyarov, Shakhriyar – G20 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 Ng6 10. d4 c6
Vugar Gashimov Mem 2015 – Round 8.4 – Anand, Viswanathan – 1-0 – Mamedyarov, Shakhriyar – G38 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Ba5 9. Ng3 Ng6 10. d4 Bb6
World Blitz 2015 – Round 5.10 – Andreikin, Dmitry – 1/2-1/2 – Kravtsiv, Martyn – G278 1. Nc3 Nf6 2. e4 e5 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. c3 Bc5 9. Ng3 Ng6 10. d4 Bb6
World Blitz 2018 – Round 15.46 – Vokhidov, Shamsiddin – 0-1 – Yu, Yangyi – G906 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 Ne7 8. Ng3 a6 9. Bc4 Ng6 10. c3 Ba5
World Blitz 2018 – Round 7.8 – Andreikin, Dmitry – 1-0 – Postny, Evgeny – G449 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 h6 8. c3 Ba5 9. Ng3 Ne7 10. d4 Ng6

C49h — Symmetrical Maroczy System

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Ne2

Eval: [+0.25]

Les coups candidats

7…Ne7 — 63.5% (516 parties)

Ambassadeurs : Jovanovic, Bratislav M (20x), Maroczy, Geza (15x), Podlesnik, Bogdan (12x), Vehi Bach, Victor Manuel (8x), Campora, Daniel H. (8x), Teichmann, Richard (7x), Schlechter, Carl (6x), Naiditsch, Arkadij (6x)

7…Bg4 — 18.0% (146 parties)

Ambassadeurs : Marshall, Frank (5x), Marshall Viele, Fabrizio Aaron (5x), Rubinstein, Akiba (4x), Schlechter, Carl (3x), Nimzowitsch, Aron (3x), Podlesnik, Bogdan (3x), Caro, Horatio (2x), Teichmann, Richard (2x)

7…Bc5 — 6.3% (51 parties)

Ambassadeurs : Jovanovic, Bratislav M (4x), Janowski, Dawid (3x), Klewe, Wolfgang (3x), Yates, Frederic D (2x), Bogoljubow, Efim (2x), Boehnisch, Manfred (2x), Stertenbrink, Guenter (2x), Geyler, Stefan, Dr. (2x)

7…h6 — 4.2% (34 parties)

Ambassadeurs : Curdo, John (2x), Sugonyak, Dmitry Sergeevich (2x), Monnisha G K (2x), Muzychuk, Anna (2x), Schischke, Reinhard (1x), Kaeser, Udo, Dr. (1x), Wu, Wenjin (1x), Nguyen, Anh Dung (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…Ne7	7…Bg4	7…Bc5	7…h6
<1800	20	40%	20%	15%	15%
1800-2200	183	58%	15%	10%	3%
2200-2600	391	69%	17%	2%	6%
2600+	37	89%	3%	3%	3%

Évolution par décennie (% des parties)

Décennie	N parties	7…Ne7	7…Bg4	7…Bc5	7…h6
1880s	1	100%	—	—	—
1890s	14	57%	21%	21%	—
1900s	66	62%	27%	2%	—
1910s	16	69%	19%	12%	—
1920s	14	57%	21%	21%	—
1930s	12	58%	25%	8%	—
1940s	3	33%	67%	—	—
1950s	6	33%	50%	—	—
1960s	3	67%	33%	—	—
1970s	14	71%	—	21%	—
1980s	27	44%	41%	11%	4%
1990s	70	53%	30%	1%	3%
2000s	101	60%	22%	5%	4%
2010s	362	66%	10%	8%	6%
2020s	103	75%	18%	—	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…Ne7	66%	75%	▲ +9.0%
7…Bg4	10%	18%	▲ +8.2%
7…Bc5	8%	0%	▼ -8.0%
7…h6	6%	5%	▼ -1.2%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 4 parties
Lasker, Emanuel — 2 parties
Alekhine, Alexander — 1 partie
Smyslov, Vladimir — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

7…Ne7 — 63.5% (516 parties)

1888 — Charlick Henry vs Crane, William — 1-0 — Melbourne AUS
1892 — Lasker, Emanuel vs Mason Morgan Zephania — 0-1 — Philadelphia, PA USA
1893 — Lasker, Emanuel vs Mordecai Morgan — 0-1 — Franklin CC, Philadelphia, PA USA
1896 — Schlechter, Carl vs Pillsbury, Harry — 1/2-1/2 — Budapest HUN
1896 — Schlechter, Carl vs Pillsbury, Harry — 1/2-1/2 — Budapest HUN

7…Bg4 — 18.0% (146 parties)

1893 — Gossip, George vs Taubenhaus, Jean — 0-1 — New York, NY USA
1897 — Schlechter, Carl vs Caro, Horatio — 1/2-1/2 — Berlin GER
1897 — Zinkl, Adolf vs Caro, Horatio — 1/2-1/2 — Berlin GER
1904 — Schlechter, Carl vs Napier, William — 1-0 — Cambridge
1905 — Leussen, Benjamin vs Důras, Oldřich — 1-0 — Scheveningen NED

7…Bc5 — 6.3% (51 parties)

1897 — Walbrodt vs Janowski, Arkadiusz — 1-0 — Berlin GER
1897 — Walbrodt, Carl vs Janowski, Dawid — 1-0 — Berlin GER
1897 — Schlechter, Carl vs Janowski, Dawid — 1/2-1/2 — Berlin GER
1905 — Kostic, Boris vs Forgacs, Leo — 1/2-1/2 — Barmen GER
1910 — Brach, Julius vs Trcala, Stefan — 1-0 — Brno /4match/

7…h6 — 4.2% (34 parties)

1987 — Schischke, Reinhard vs Kaeser, Udo, Dr. — 1/2-1/2 — Heiden
1996 — Wu, Wenjin vs Nguyen, Anh Dung — 1/2-1/2 — Macau ch-Asia jrb
1999 — Polizoti, Geoffrey vs Friedel, Joshua — 0-1 — Watertown. MA
2000 — Curdo, John vs Sherman, David E — 1/2-1/2 — Philadelphia, PA USA
2002 — Curdo, John vs Terrie, Henry — 1/2-1/2 — Chicopee

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