C42 — C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2

● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8, le roi resté au centre et une pièce en prise (le cavalier en e4).

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) ; d3 (Libérer 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 c5 et g5 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) ; ...Be7 (Développer Bf8) ; ...c6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● c5 (2v0), ● g5 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0), ● e4 (1v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● e	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Clouages	—	● knight e4
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	semi-ouvert
Ruptures	● c2-c3, ● d2-d3	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …f7-f6, ● …f7-f5

Partie
1908 DSB-16.Kongress – Round 9 – Treybal, Karel – 1/2-1/2 – Marshall Viele, Fabrizio Aaron – G53 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 h6 9. Bd2 Nc6 10. Ne4 d5
1912 San Sebastian – Round 20 – Důras, Oldřich – 0-1 – Marshall, Frank – G48 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. d4 d5 9. Nc3 c6 10. Ne5 Nbd7
1915 New York – Round 12 – Kupchik, Boris – 0-1 – Marshall Viele, Fabrizio Aaron – G18 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 h6 9. Bh4 g5 10. Bg3 Bg7
1915 Triberg – Round 7 – Bogoljubow, Efim – 1/2-1/2 – Selezniev, Alexey – G21 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 c6 9. Ne4 Be7 10. Bf4 d5
1916 Nordisk Turnering-B – Round 2 – Rask, Bertil – 0-1 – Berndtsson, Karl – G2 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nbd7 9. O-O-O O-O-O 10. d4 h6
1918 It (Men) New York USA – Round 1 – Morrison, John – 1/2-1/2 – Chajes, Oscar – G9 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nc6 9. O-O-O O-O-O 10. d4 d5
1919 Hastings – Round 10 – Thomas, George Alan – 1/2-1/2 – Kostic, Boris – G30 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nc6 9. d4 d5 10. Bxf6 gxf6
1921 Brno Morava – Round 1 – Treybal, Karel – 1/2-1/2 – Prochazka, Hubert – G3 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Bg4 8. Qxe7+ Bxe7 9. Nd4 a6 10. h3 Bd7
1924 Paris f-B – Round 5 – Oskam, Gerard – 1/2-1/2 – Skalicka, Karel – G24 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. d4 Nbd7 9. Nc3 h6 10. Be3 Nb6
1925 Baden-Baden – Round 1 – Mieses, Jacques – 1/2-1/2 – Marshall, Frank – G99 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 h6 9. Bxf6 Qxf6 10. d4 Be7
1925 DSB-24. Kongress Hauptturnier A – Round 1.4 – Von Holzhausen, Walther – 1-0 – Orbach Wilhelm – G1 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 h6 9. Bh4 Nc6 10. O-O-O g5
1928 Berlin Cafe Koenig – Round 9 – Von Holzhausen, Walther – 1-0 – Richter, Kurt P – G43 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nbd7 9. d4 h6 10. Bh4 g5
1930 Liege – Round 8 – Soultanbeieff, Victor – 1-0 – Marshall Viele, Fabrizio Aaron – G43 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 h6 9. Bxf6 Qxf6 10. g3 d5
1932 Berlin GER – Round 6 – Koch, Berthold – 1-0 – Von Hennig, Heinrich – G10 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 c6 9. O-O-O h6 10. Bf4 Na6
1932 Hastings3233 – Round 3 – Steiner, Laszlo – 1-0 – Alexander Ronald Cheng – G15 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Nc6 8. Bxf6 gxf6 9. Nc3 Be6 10. d4 d5
1932 Hastings3233 – Round 9 – Steiner, Lajos – 1-0 – Jackson, Edward Mackenzie – G44 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. d4 Nbd7 9. Nc3 h6 10. Bh4 g5
1933 GER Ch 1st – Round 10 – Richter, Kurt P – 0-1 – Von Holzhausen, Walther – G33 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Bg4 8. Nc3 Nbd7 9. O-O-O Qxe2 10. Bxe2 h6
1935 Buenos Aires – Round 5 – Vinuesa, Juan – 1-0 – Pleci, Isaias – G58 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. d4 Nc6 8. Nc3 Bg4 9. Be3 O-O-O 10. O-O-O d5
1935 Tatatovaros – Round 2 – Steiner, Endre – 1-0 – Kluger, Gyula – G12 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Nc6 8. Nc3 Be6 9. Ne4 d5 10. Nxf6+ gxf6
1936 Moscow – Round 1 – Chistiakov, Alexander – 1-0 – Yudovich, Mikhail M – G26 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Nc6 8. Nc3 Qxe2+ 9. Bxe2 Be7 10. O-O-O h6
1938 URS Ch, semi final – Round 1 – Chistiakov, Alexander – 1-0 – Shamaev, Leonid – G47 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Bg4 8. Nc3 Nbd7 9. O-O-O O-O-O 10. Qd2 Nb6
1940 GER Ch 07th – Round 6 – Kieninger, Georg – 1/2-1/2 – Kohler, Anton – G5 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nc6 9. O-O-O O-O-O 10. d4 d5
1940 GER Ch 7th – Round 8 – Kieninger, Georg – 1-0 – Ahues, Carl – G12 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nc6 9. d4 d5 10. O-O-O O-O-O
1942 Ventnor City – Round 2 – Pinkus, Albert – 1-0 – Chauvenet, Louis – G8 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nc6 9. d4 d5 10. O-O-O O-O-O
1943 Olomouc sim – Round ? – Alekhine, Alexander – 0-1 – Draisaitl – G6 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nc6 9. d4 d5 10. O-O-O h6
1945 Novi Sad – Round 15 – Neikirkh, Oleg – 1/2-1/2 – Kostic, Boris – G152 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nc6 9. d4 d5 10. O-O-O O-O-O
1948 Buenos Aires/La Plata it – Round 1 – Rossetto, Hector – 1/2-1/2 – Acebey Michel, Veroska – G25 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Nc6 8. Nc3 Be6 9. d4 d5 10. O-O-O O-O-O
1948 GER Ch – Round 3 – Kieninger, Georg – 1-0 – Schuster, Theodor – G7 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nc6 9. d4 d5 10. O-O-O O-O-O
1950 ITA Ch – Round 6 – Ceccato, Vittorio – 1/2-1/2 – Porreca, Giorgio – G5 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 Be7 9. O-O Nc6 10. Re1 a6
1951 World chJ U20 1st – Round 3.7 – Harris, Peter A – 1-0 – Olafsson, Fridrik – G9 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 c6 9. Nd4 Nbd7 10. Nxe6 fxe6
1956 Moscow olm fin-B – Round 4 – Noradounghian, Georges – 1/2-1/2 – Kinzel, Anton – G42 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Bg4 8. Bxf6 gxf6 9. Qxe7+ Bxe7 10. Be2 Nc6
1959 Corr Wch3 – Round 1 – Balogh, Janos – 1-0 – Garner, Edward – G14 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 c6 9. O-O-O h6 10. Bd2 Na6
1961 Montevideo – Round 2 – Silva Nazzari, Roberto – 1-0 – Hounie Fleurquin, Carlos – G17 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 h6 9. Bxf6 gxf6 10. d4 d5
1963 Split ol women – Round 15 – Zvorykina, Kira Alekseyevna – 1/2-1/2 – Nowarra, Waltraud – G55 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Nc6 8. Bg5 Qxe2+ 9. Bxe2 Be7 10. O-O-O Be6
1963 WchT U26 10th – Round 2.2 – Csom, Istvan – 1-0 – Radulov, Ivan – G18 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nc6 9. O-O-O O-O-O 10. d4 d5
1964 Zagreb – Round 7 – Bertok, Mario Jr. – 1/2-1/2 – Fuderer, Andrija – G39 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 c6 8. Bg5 Qxe2+ 9. Bxe2 Be7 10. O-O d5
1964 Zuerich-J Zurich SUI – Round ? – Janata, Michael – 1/2-1/2 – Markus, Marcel – G29 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 Be7 9. Bg5 Bd7 10. h3 Nc6
1965 Rio de Janeiro – Round 1 – Rocha, Antonio – 1/2-1/2 – Toth, Peter – G14 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Bd7 8. Bg5 Qxe2+ 9. Bxe2 Be7 10. O-O-O h6
1965 SWE Ch – Round 14 – Nilsson, Arvid – 1/2-1/2 – Horberg, Bengt-Eric – G48 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 Be7 9. O-O O-O 10. Bd2 Nc6
1966 Moscow Tch-SU – Round 1 – Spassky, Boris Vasily – 1/2-1/2 – Stein, Leonid – G21 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. Nc3 Nxc3 7. dxc3 Qxe2+ 8. Bxe2 Nc6 9. Bg5 Be7 10. Bxe7 Kxe7
1966 Oberhausen ol women – Round 1 – Radzikowska, Krystyna – 1/2-1/2 – Rinder, Elfriede – G5 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Bg4 8. Be3 Nc6 9. O-O-O O-O-O 10. h3 Be6
1967 HUN Ch – Round 8 – Haag, Ervin – 1/2-1/2 – Dely, Peter – G25 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Bg4 8. Be3 Nc6 9. h3 Bxf3 10. Qxf3 d5
1967 October Revolution 50 – Round ? – Tringov, Georgi P – 1/2-1/2 – Suetin, Alexey S – G117 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. Nc3 Nxc3 7. dxc3 Qxe2+ 8. Bxe2 Nc6 9. Bf4 Bf5 10. O-O-O O-O-O
1967 Palma de Majorca ESP – Round ? – Damjanovic, Mato – 1/2-1/2 – Lehmann, Heinz – G24 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Nc6 8. Bg5 Bd7 9. Qxe7+ Bxe7 10. h3 h6
1967 Palma de Mallorca – Round 10 – Damjanovic, Marko – 1/2-1/2 – Lehmann, Heinz – G73 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Nc6 8. Bg5 Bd7 9. Qxe7+ Bxe7 10. h3 h6 1/2-1/2
1967 URS Team Ch – Round 1 – Lutikov, Anatoly S – 1/2-1/2 – Suetin, Alexey S – G41 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. Nc3 Nxc3 7. dxc3 Qxe2+ 8. Bxe2 Be7 9. Bg5 Bxg5 10. Nxg5 O-O
1968 Alma Ata ch-URS – Round 2 – Zaitsev, Igor A – 1/2-1/2 – Kholmov, Ratmir D – G41 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 Bd7 9. Bg5 Be7 10. O-O-O Nc6
1968 Kecskemet – Round 1 – Dely, Peter – 1/2-1/2 – Hennings, Artur – G29 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 Be7 9. Bg5 Nbd7 10. O-O-O b6
1968 Lugano ol (Men) – Round ? – Dunkelblum, Arthur – 1/2-1/2 – Kinzel, Anton – G103 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Qxe7+ Bxe7 8. Be2 Nc6 9. h3 O-O 10. O-O Re8
1968 Toth Memorial – Round 14 – Dely, Peter – 1/2-1/2 – Hennings, Artur – G55 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 Be7 9. Bg5 Nbd7 10. O-O-O h6
1969 Athens zt – Round 7 – Forintos, Gyozo V – 1/2-1/2 – Csom, Istvan – G37 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. Nc3 Nf6 7. d3 c6 8. Qxe7+ Bxe7 9. Be2 Na6 10. Bf4 O-O
1969 Tallinn it – Round 13 – Haag, Ervin – 1/2-1/2 – Damjanovic, Mato – G56 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Nc6 8. Bg5 Qxe2+ 9. Bxe2 Be7 10. O-O Be6
80. Tata Steel GpA 2018 – Round 1.1 – Carlsen, Magnus – 1/2-1/2 – Caruana, Fabiano – G1 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 g6 9. Nd4 a6 10. Bf4 Bg7
European Club Cup 2015 – Round 6.2 – Harikrishna, Pentala – 1/2-1/2 – Giri, Anish – G110 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 g6 9. O-O Bg7 10. Nd4 Bg4
FIDE Candidates 2018 – Round 4.4 – Kramnik, Vladimir – 0-1 – Caruana, Fabiano – G16 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. Nc3 Nxc3 7. dxc3 Qxe2+ 8. Bxe2 Nc6 9. Be3 Be7 10. O-O-O O-O
FIDE Candidates 2018 – Round 8.1 – So, Wesley – 1/2-1/2 – Caruana, Fabiano – G29 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 g6 9. Bg5 Bg7 10. O-O-O O-O
FIDE Grand Swiss 2025 – Round 8 – Hovhannisyan Robert – 1/2-1/2 – Samunenkov Ihor – G449 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. Nc3 Nxc3 7. dxc3 Qxe2+ 8. Bxe2 Nc6 9. Be3 Be7 10. Nd4 Bd7
FIDE World Blitz Championship 2025 – Round 7 – Paravyan David – 1/2-1/2 – Duda Jan-Krzysztof – G132 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bd2 Nc6 8. Qxe7+ Bxe7 9. g3 Bd7 10. Bg2 O-O-O
FIDE World Blitz Championship 2025 – Round 7 – Vachier-Lagrave Maxime – 1-0 – Gukesh D – G133 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. a4 Nf6 5. Nc3 g6 6. O-O Bg7 7. Re1 O-O 8. a5 a6 9. Bf1 b5 10. axb6 Qxb6
Lindores Abbey Tal Memorial 2021 – Round 4.37 – Melia, Salome – 0-1 – Kuzubov, Yuriy – G197 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. d4 Bg4 8. Qxe7+ Bxe7 9. Be2 c5 10. Nc3 Nc6
Manila Interzonal 1990 – Round 6 – Huebner, Robert – 1/2-1/2 – Seirawan, Yasser – G109 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. Nc3 Nxc3 7. dxc3 Qxe2+ 8. Bxe2 Nc6 9. Bf4 Be7 10. O-O-O Bg4
World Blitz 2018 – Round 3.37 – Vishnu Prasanna, Vrasanna. V – 1/2-1/2 – Gelfand, Boris – G168 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Be3 g6 8. Nc3 Bg7 9. O-O-O O-O 10. h3 Nc6
World Blitz 2022 – Round 8.34 – Aditya Tari – 0-1 – Paravyan, David – G416 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. g3 Nc6 7. Bg2 Bg4 8. O-O O-O-O 9. Re1 Re8 10. d3 Nc5
XXIII SuperGM 2006 – Round 7 – Vallejo Pons, Francisco – 1/2-1/2 – Ivanchuk, Vasyl – G28 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 Be7 9. O-O O-O 10. Nd4 Nbd7
Yerevan ol (Men) 1996 – Round 9 – Ivanovic, Bozidar – 1/2-1/2 – Jussupow, Artur – G131 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 c6 9. O-O Na6 10. Re1 Nc7

C42n — Russian Game: Cozio/Lasker

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2

Eval: [+0.16]

Les coups candidats

5…Qe7 — 98.9% (5798 parties)

Ambassadeurs : Knezevic, Milorad (36x), Ilincic, Zlatko (35x), Gaujens, Artis (35x), Kholmov, Ratmir D (25x), Popchev, Milko (22x), Rozentalis, Eduardas (21x), Georgiev, Krum (19x), Radulov, Ivan (18x)

5…d5 — 0.5% (29 parties)

Ambassadeurs : Werten, Tony (1x), Knops, Liliana (1x), Fallas Matthews, Dave William (1x), Wiebe, Jacob (1x), Garl Ariane (1x), Schaaf, Hagen (1x), Garcia Liliana (1x), Paredes Garcia, Jaime (1x)

5…Bf5 — 0.3% (19 parties)

Ambassadeurs : Schiller, Wilfried (1x), Kasper, Randy (1x), Rawson, Amy (1x), Cunningham, Don (1x), Lowke, Kathrin (1x), Walker, Maria (1x), Behm, Simon (1x), Heyer, Johann (1x)

5…Be7 — 0.2% (10 parties)

Ambassadeurs : Constantinou, Constantinos (1x), Sheehan, R. (1x), Leclaire, Arnaud (1x), Marchandise, Charles (1x), Kochs, Peter (1x), Conrads Harald (1x), Muris, Saskia (1x), Van Zutphen, Amy (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…Qe7	5…d5	5…Bf5	5…Be7
<1800	214	99%	0%	1%	—
1800-2200	1389	100%	—	—	0%
2200-2600	2300	100%	—	—	—
2600+	126	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5…Qe7	5…d5	5…Bf5	5…Be7
1850s	2	100%	—	—	—
1880s	1	100%	—	—	—
1890s	4	100%	—	—	—
1900s	3	100%	—	—	—
1910s	23	100%	—	—	—
1920s	19	100%	—	—	—
1930s	40	100%	—	—	—
1940s	35	100%	—	—	—
1950s	42	100%	—	—	—
1960s	130	100%	—	—	—
1970s	180	100%	—	—	—
1980s	358	100%	0%	—	—
1990s	1139	99%	0%	1%	0%
2000s	2010	98%	1%	0%	0%
2010s	1468	99%	0%	0%	0%
2020s	406	99%	0%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…Qe7	99%	99%	+0.1%
5…d5	0%	0%	+0.0%
5…Bf5	0%	0%	-0.3%
5…Be7	0%	0%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 8 parties
Karpov, Aleksandr — 7 parties
Karpov, Anatoly — 7 parties
Euwe, Max — 4 parties
Alekhine, Alexander — 4 parties
Lasker, Emanuel — 3 parties
Kramnik, Vladimir — 3 parties
Tal, Mikhail — 2 parties
Botvinnik, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Anand, Viswanathan — 1 partie
Ju, Wenjun — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

5…Qe7 — 98.9% (5798 parties)

1850 — Morphy, Paul vs Loewenthal, Johann — 1/2-1/2 — New Orleans, LA USA
1850 — Morphy, Paul vs Loewenthal, Johann — 1-0 — New Orleans, LA USA
1883 — Hartshorne, RB. vs Schieffelin, Henry H — 1-0 — New York, NY USA
1895 — Lasker, Emanuel vs Pillsbury, Harry — 1/2-1/2 — St Petersburg RUS
1895 — D Marco, Gianni vs Schlechter, Carl — 1/2-1/2 — Hastings ENG

5…d5 — 0.5% (29 parties)

1980 — Werten, Tony vs Knops, Liliana — 1-0 — HMC
1994 — Fallas Matthews, Dave William vs Wiebe, Jacob — 1-0 — corr CompuServe
1995 — Garl Ariane vs Schaaf, Hagen — 0-1 — Osterode
1997 — Garcia Liliana vs Paredes Garcia, Jaime — 1-0 — Asturias
1999 — Cochrane Tom vs Caminer Alex — 1-0 — Canberra AUS

5…Bf5 — 0.3% (19 parties)

1993 — Oates, Matthew vs Elfers, G — 1-0 — London,Canada
1996 — Schiller, Wilfried vs Kasper, Randy — 1-0 — Corr compuserve
1996 — Behm, Simon vs Heyer, Johann — 1-0 — Berlin GER
1997 — Kochs, Peter vs Jurgeit, Sven — 1-0 — Essen GER
1998 — Lowke, Kathrin vs Walker, Maria — 0-1 — Sebnitz

5…Be7 — 0.2% (10 parties)

1995 — Constantinou, Constantinos vs Sheehan, R. — 1/2-1/2 — Australia ch girls
1995 — Muris, Saskia vs Van Zutphen, Amy — 1-0 — Hengelo NED
1998 — Leclaire, Arnaud vs Marchandise, Charles — 1-0 — Herlies FRA
1998 — Kochs, Peter vs Conrads Harald — 0-1 — KnockOut-Tournament
2000 — Ponti, Martina vs Spanu, Giacomo — 1-0 — Cagliari ITA

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