C78g — Spanish: 5.O-O b5 6.Bb3 Be7

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.d4 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte d5….

Atouts. Les Blancs s'appuient sur les cases fortes d5 et g5, un fou actif en b3 et la paire de fous.

Côté adverse. Le fou enfermé en c8 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. Nbd2 (Développer Nb1) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte b4.

Atouts. Les Noirs s'appuient sur la case forte b4, un fou actif en e7 et la paire de fous.

Côté adverse. Le fou enfermé en c1 et une pièce en prise (le pion en e4).

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Na5 (Attaquer Bb3) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● a6→b5
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1), ● g5 (2v0)	● b4 (2v0)
Cases faibles	● d4	● e5
Centre	● d5 (2v1), ● e5 (2v1)	● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb3	● Bb3 Actif (mob. 5)
Be7		● Be7 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	3 (● c8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre !
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c2-c3, ● d4-d5	● …d7-d6, ● …d7-d5

Partie
19. European Teams 2013 – Round 1.5 – McShane, Luke J – 1/2-1/2 – Tazbir, Marcin – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. Nbd2 Bg4 10. h3 Bh5
1900 Paris FRA – Round 3 – D Marco, Gianni – 1-0 – Brody, Miklos – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 O-O 8. Nxe5 Bb7 9. f3 Na5 10. c3 c5
1902 DSB-13.Kongress Hauptturnier A – Round 4 – Edelheim, Albert – 1-0 – Brody, Miklos – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ne4 9. Bd5 Nc5 10. Nxd4 Bb7
1907 Oostende – Round 1 – Tarrasch, Siegbert – 1-0 – Burn, Amos – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. a4 Bg4 9. c3 O-O 10. Qd3 Qd7
1909 All-Russian – Round 2 – Izbinsky, Stefan – 1-0 – Romanovsky, Pjotr – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 Nxe4 8. dxe5 O-O 9. Bf4 Bb7 10. Bd5 Nc5
1912 BCF Ch 9th – Round 4 – Michell, Reginald – 1-0 – Crakanthorp, Spencer – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 3. ... a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 d6 8. c3 Bg4 9. Be3 O-O 10. Nbd2 Na5
1913 New York Rice – Round ? – Capablanca, Jose – 1-0 – Chajes, Oscar – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. Be3 O-O 10. Nbd2 Na5
1927 Moskou ch-URS – Round 18 – Romanovsky, Pjotr – 1-0 – Freiman, Sergey Nikolaevich – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ne4 9. Nxd4 Nxd4 10. Qxd4 Bb7
1931 GBR Ch 24th – Round 5 – Sergeant, Edward – 1-0 – Sultan Khan, Mir – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 Nxd4 8. Nxd4 exd4 9. e5 O-O 10. exf6 Bxf6
1936 Muenchen ol – Round 6 – Richter, Kurt – 1-0 – Christoffersen, HC. – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 O-O 8. Nxe5 Nxe4 9. Nxf7 Rxf7 10. Bxf7+ Kxf7
1936 Munich ol (Men) – Round 6 – Richter, Kurt P – 1-0 – Bodstrup Christoffersen, Jens Emil – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 O-O 8. Nxe5 Nxe4 9. Nxf7 Rxf7 10. Bxf7+ Kxf7
1938 Bad Harzburg – Round 1 – Caceres Richter, Dylan – 0-1 – Pirc, Vasja – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 d6 8. c3 Bg4 9. Be3 O-O 10. h3 Bxf3
1944 Mar del Plata – Round 1 – Liebstein, Arturo – 0-1 – Flores Alvarez, Rodrigo – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ng8 9. Bd5 Rb8 10. Nbd2 Nb4
1944 Mar del Plata – Round 1 – Liebstein, Arturo – 0-1 – Rossetto, Hector – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ne4 9. c3 d3 10. Bd5 Nc5
1946 Nt Regensburg GER – Round 6 – Zemgalis, Elmars – 1-0 – Herzog, Franz – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. Be3 Na5 10. dxe5 Bxf3
1947 Leningrad ch-URS – Round 17 – Bronstein, David I – 1/2-1/2 – Ufimtsev, Anatoly – G154 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. d5 Nb8 10. Qe2 Nbd7
1949 Moskou ch-URS – Round 1 – Sokolsky, Alexey – 1/2-1/2 – Mikenas, Vladas – G128 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. Be3 O-O 10. h3 Bh5
1950 Schiavno Zdroj – Round 1 – Foltys, Jan – 1-0 – Pytlakowski, A. – G106 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 d6 8. c3 Na5 9. dxe5 dxe5 10. Qxd8+ Bxd8
1952 Corr – Round ? – Koch, Berthold – 1-0 – Boutteville, Cesar – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ne4 9. Bd5 Nc5 10. Nxd4 O-O
1952 ITA-AUT m – Round 1.4 – Kopetzky, Karl – 1-0 – Giustolisi, Alberto – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 d6 8. c3 Bg4 9. Be3 O-O 10. h3 Bh5
1954 Liberation – Round 17 – Matanovic, Aleksandar – 1-0 – Nievergelt, Erwin – G34 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ne4 9. Bd5 Nc5 10. Nxd4 Bb7
1954 Stockholm – Round 2 – Keres, Paul – 1-0 – Stoltz, Gösta – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 Nxe4 8. dxe5 Nc5 9. Bd5 Bb7 10. Nc3 O-O
1954 Zonal – Round 4 – Lokvenc, Josef – 1/2-1/2 – Burstein, S – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 Nxe4 8. Nxe5 O-O 9. Bd5 Nf6 10. Bxc6 dxc6
1955 Hamburg – Round 1 – Beni, Alfred – 1/2-1/2 – Teschner, Rudolf – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. dxe5 dxe5 9. Qxd8+ Bxd8 10. a4 Rb8
1955 Hamburg – Round 1 – Teschner, Rudolf – 1/2-1/2 – Bialas, Wolfram – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. Be3 O-O 10. h3 Bh5
1955 Hoechst ch-GER – Round 1 – Niephaus, Walter – 1/2-1/2 – Bialas, Wojciech – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. dxe5 dxe5 9. Qxd8+ Bxd8 10. Be3 Be7
1955 Moskou ch-URS – Round ? – Korchnoi, Viktor – 1/2-1/2 – Mikenas, Vladas – G171 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. h3 Bxf3 10. gxf3 Qd7
1955 URS Team Ch sf – Round ? – Gipslis, Aivars – 0-1 – Kholmov, Ratmir D – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. dxe5 dxe5 9. Bd5 Nxd5 10. exd5 Nb4
1956 Budapest – Round 1 – Dely, Peter – 0-1 – Szily, Jozsef – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. h3 Nd7 10. Qe2 Na5
1957 Sofia zt – Round 1 – Karaklajic, Nikola – 1-0 – Niemela, Ilmari Aarne – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5
1958 GBR Ch 45th – Round 3.12 – Sergeant, Edward – 1/2-1/2 – Gibbs, Peter Campbell – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qe2 Bc5
1958 Munich olm prel – Round 1 – Pachman, Ludek – 1-0 – Lagha, Khelil – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. a4 Bg4 10. h3 Bxf3
1958 Portoroz Interzonal – Round 19 – Gligoric, Svetozar – 1-0 – Rossetto, Hector – G180 1. e4 Nc6 2. Nf3 e5 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. h3 Bxf3 10. Qxf3 exd4
1959 Berlin Ch – Round 2 – Darga, Klaus – 1-0 – Redlich, Olaf – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. h3 Bxf3 10. Qxf3 exd4
1959 GDR Ch Leipzig GER – Round 3 – Franz, Joachim – 1-0 – Badestein, Hartmut, Prof. Dr. – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. h3 Bb7 10. Qe2 Qc8
1959 Lodz ch POL – Round 7 – Witkowski, Stefan – 1/2-1/2 – Tarnowski, Alfred – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. h3 Bxf3 10. Qxf3 exd4
1959 Riga – Round 1 – Pietzsch, Wolfgang – 0-1 – Niemela, Ilmari Aarne – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. Be3 O-O 10. Nbd2 Na5
1959 Riga – Round 1 – Pietzsch, Wolfgang – 0-1 – Teschner, Rudolf – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. Be3 O-O 10. Nbd2 d5
1960 Hamburg WGER-USSR – Round 3 – Geller, Efim P – 1/2-1/2 – Darga, Klaus – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. Nbd2 Bg4 10. h3 Bh5
1960 Olympiad prel I – Round 7 – Padevsky, Nikola – 1/2-1/2 – Fenech Farrugia, Joseph – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. a4 O-O 10. d5 Na5
1961 GBR Ch 48th – Round 11.7 – Cafferty, Bernard – 1/2-1/2 – Springgay, David George – G90 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ne4 9. Bd5 Nc5 10. Nxd4 Bb7
1961 Palanga Baltic Ch – Round ? – Klavins, Janis – 1-0 – Ludolph, Jaan – G51 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. Be3 O-O 10. h3 Bh5
1961 Zevenaar – Round 1 – Milic, Bozidar – 1/2-1/2 – Rellstab, Ludwig – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. d5 Na5 10. Bc2 O-O
1962 Asztalos Memorial 5th – Round 7 – Robatsch, Karl – 0-1 – Honfi, Karoly – G53 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qf3 O-O
1962 Moscow – Round 1 – Vasiukov, Evgeni – 1/2-1/2 – Dely, Peter – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. Be3 O-O 10. Nbd2 d5
1962 URS Team Ch – Round 1 – Shamkovich, Leonid – 1-0 – Ludolf, Samuel Bottura – G98 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. h3 Bh5 10. d5 Na5
1962 Varna olm – Round 3 – Acevedo Ortega, Rodrigo Andres – 1-0 – Domnitz, Zadok – G144 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 d6 8. c3 Bg4 9. Be3 O-O 10. h3 Bxf3
1962 Wch women – Round 7 – Bikova, E. – 0-1 – Gaprindashvili, Nona – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. dxe5 dxe5 9. Qe2 Bg4 10. c3 O-O
1963 CSR Ch – Round 5 – Vesely, Jiri – 0-1 – Novak, Zbynek – G42 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. h3 Bh5 10. Be3 Na5
1963 OWL Ch – Round 11 – Groenegress, Wilfried – 1-0 – Detert, Heinz – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. h3 Nd7 10. a4 Na5
1963 Zenica ch YUG – Round 6 – Velimirovic, Dragoljub – 1/2-1/2 – Janosevic, Dragoljub – G29 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. h3 Bh5 10. Qd3 exd4
1964 Budapest HUN – Round 1 – Barczay, Laszlo – 0-1 – Besztercsenyi, Tibor – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. h3 Bh5 10. Re1 O-O
1964 Harrachov – Round 4 – Kupka, Slavoj – 1-0 – Voboril, Pavel – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. Be3 O-O 10. h3 Bh5
1965 Hastings ch-BCF – Round 7 – Aabel Thomas Eapen – 0-1 – Toothill, Andrew – G79 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 d6 8. dxe5 dxe5 9. Nc3 Bg4 10. Qxd8+ Rxd8
1965 Hungary – Round 1 – Ozsvath, Andras – 1/2-1/2 – Kovacs, Laszlo M – G96 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. Nbd2 Nd7
1965 ISR Ch – Round 12 – Persitz, Raaphi – 1-0 – Domnitz, Zadok – G49 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 d6 8. c3 Bg4 9. h3 Bxf3 10. Qxf3 exd4
1965 ISR Ch – Round 8 – Persitz, Raaphi – 1/2-1/2 – Carmel, Ephraim – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 b5 7. Bb3 d6 8. c3 O-O 9. a4 Bd7 10. Re1 h6
1965 POL Ch 22th – Round 7 – Grabczewski, Romuald – 1-0 – Manasterski, Lutoslaw – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ne4 9. Bd5 Nc5 10. Nxd4 Bb7
1965 Rubinstein Memorial – Round 2 – Dely, Peter – 1-0 – Acevedo Ortega, Rodrigo Andres – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. h3 exd4 10. cxd4 Na5
1965 WchT U26 12. fin-B – Round 3 – Westerinen, Heikki M.J. – 0-1 – Holaszek, Hans – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. h3 h6 10. Nh4 Na5
1966 Havana CUB – Round 2 – Olivera, Alfredo – 1-0 – Jimenez Rojas, Hector – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ne4 9. Bd5 Nc5 10. Nxd4 Bb7
1966 Havana CUB – Round 4 – Zwaig, Arne – 1-0 – Martinez, Gustavo – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. h3 Bxf3 10. Qxf3 exd4
1966 Hungary – Round 1 – Dely, Peter – 1-0 – Sapi, Laszlo – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. h3 h6 10. Qe2 Re8
1967 Germany – Round 1 – Schmid, Leo – 1-0 – Darga, Klaus – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. h3 h6 10. Be3 Re8
1967 Hoogovens-B – Round 2 – Westerinen, Heikki M.J. – 1/2-1/2 – Bredewout, Henk – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. h3 Bh5 10. Be3 O-O
1967 October Revolution 50 – Round 1 – Westerinen, Heikki M.J. – 1/2-1/2 – Kholmov, Ratmir D – G57 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. h3 Nd7 10. a4 Bb7
1967 Stary Smokovec – Round 11 – Grabczewski, Romuald – 1-0 – Krylov, Pavel – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. h3 Bxf3 10. Qxf3 exd4
1968 Cordoba op-2 Centro de la Republica – Round 4 – Redolfi, Argentino Rodolfo – 1-0 – Miana, Elias – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. h3 Bd7 10. Re1 Rc8
1968 WchT U26 15. fin-B – Round 5.2 – Levy, David N L – 0-1 – Sirkia, Mauri O. – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. dxe5 dxe5 9. Qe2 Bg4 10. c3 O-O
1971 Hoogovens – Round 1 – Zuidema, Coen – 0-1 – Danov, Kiril – G168 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 Nxe4 8. dxe5 O-O 9. Bd5 Nc5 10. Nd4 Bb7
43. Olympiad 2018 – Round 5.33 – Kasimdzhanov, Rustam – 1-0 – Al-Zendani, Zendan – G336 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. Nbd2 Bg4 10. h3 Bh5
Munchen 1993 – Round 6 – Hjartarson, Johann – 1/2-1/2 – Adams, Michael – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. Nbd2 Re8 10. a3 Bf8
World Blitz 2016 – Round 14.6 – Grischuk, Alexander – 1-0 – Nepomniachtchi, Ian – G578 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 exd4 8. e5 Ne4 9. Bd5 Nc5 10. Nxd4 Bb7

C78g —

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.d4

Eval: [+0.43]

Les coups candidats

7…d6 — 75.9% (1363 parties)

Ambassadeurs : Wiesinger, Johann (13x), Sanner, Zdzislaw (11x), Zakharov, Oleg (9x), Wharrier, Jonathon A (9x), Dely, Peter (6x), Darga, Klaus (6x), Telepnev, Igor Viktorovich (6x), Gudzovaty, Yury Vasilievich (6x)

7…exd4 — 13.7% (246 parties)

Ambassadeurs : Brody, Miklos (2x), Liebstein, Arturo (2x), Cafferty, Bernard (2x), Ivanenko Bogdan (2x), Zafar, Saeed-Uz (2x), Boll, Peter (2x), Hecht, Hans-Joachim (2x), Vaculik, Martin (2x)

7…Nxe4 — 4.7% (84 parties)

Ambassadeurs : Vollmer, Steve (3x), German, Sergio (2x), Cwirin, Leandro (2x), Burridge, Raymond John (2x), Judd, Max (1x), Delmar, Eugene (1x), Schlechter, Carl (1x), Ruff Otto, Uriel Elias (1x)

7…Nxd4 — 3.6% (64 parties)

Ambassadeurs : Inyakin, Gennady (2x), Jelecevic, Ivo (2x), Sergeant, Edward (1x), Sultan Khan, Mir (1x), Orr, E. (1x), Schreier, Georg (1x), Richter, Kurt P (1x), Gerhardt, W (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…d6	7…exd4	7…Nxe4	7…Nxd4
<1800	71	73%	11%	7%	6%
1800-2200	655	74%	14%	5%	5%
2200-2600	547	84%	8%	4%	2%
2600+	5	80%	20%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7…d6	7…exd4	7…Nxe4	7…Nxd4
1860s	1	100%	—	—	—
1880s	2	50%	—	50%	—
1890s	3	100%	—	—	—
1900s	10	40%	30%	20%	—
1910s	8	75%	—	—	12%
1920s	7	43%	43%	—	14%
1930s	9	44%	—	11%	22%
1940s	16	81%	12%	6%	—
1950s	51	84%	10%	4%	2%
1960s	108	80%	16%	1%	3%
1970s	81	72%	15%	7%	2%
1980s	71	70%	21%	6%	1%
1990s	188	68%	21%	6%	4%
2000s	394	69%	18%	6%	5%
2010s	676	81%	10%	4%	4%
2020s	171	84%	9%	4%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…d6	81%	84%	▲ +2.4%
7…exd4	10%	9%	-0.3%
7…Nxe4	4%	4%	-0.5%
7…Nxd4	4%	1%	▼ -3.3%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 3 parties
Alekhine, Alexander — 2 parties
Anand, Viswanathan — 2 parties
Euwe, Max — 1 partie
Karpov, Aleksandr — 1 partie

Parties historiques

7…d6 — 75.9% (1363 parties)

1866 — Thorold, Edmund vs Owen, John — 0-1 — Redcar
1889 — Burille, Constant Ferdinand vs Baird, John — 1/2-1/2 — New York, NY USA
1890 — Fleissig, Bernhard vs Englisch, Berthold — 1-0 — Vienna AUT
1897 — D Marco, Gianni vs Englisch, Berthold — 1/2-1/2 — Berlin GER
1897 — Suechting, Hugo vs Englisch, Berthold — 1/2-1/2 — Berlin GER

7…exd4 — 13.7% (246 parties)

1901 — Lundberg F vs Schlichtkrull, CE. — 1/2-1/2 — Goteborg SWE
1902 — Edelheim, Albert vs Brody, Miklos — 1-0 — Hannover GER
1902 — Hauke, Adolf vs Brody, Miklos — 1-0 — Hannover GER
1923 — Treybal, Karel vs Kocman, S — 1-0 — sim Brno
1927 — Orr, A vs McMahon, P J — 1/2-1/2 — Belfast IRL

7…Nxe4 — 4.7% (84 parties)

1889 — Judd, Max vs Delmar, Eugene — 0-1 — New York, NY USA
1901 — Schlechter, Carl vs Ruff Otto, Uriel Elias — 1-0 — sim. Praha
1909 — Izbinsky, Stefan vs Romanovsky, Pjotr — 1-0 — St Petersburg RUS
1935 — Richter, Kurt P vs Woog, Friedrich — 1-0 — Swinemuende
1948 — Szily, Jozsef vs Richter, Erich — 1-0 — Spindleruv Mlyn

7…Nxd4 — 3.6% (64 parties)

1913 — Blanco Estera, Rafael vs Kupchik, Abraham — 1-0 — Havana CUB
1928 — Orr, E. vs Schreier, Georg — 1-0 — Los Angeles, CA USA
1931 — Sergeant, Edward vs Sultan Khan, Mir — 1-0 — Worcester
1935 — Richter, Kurt P vs Gerhardt, W — 1-0 — Nt Berlin GER
1959 — Mascaro March, Pedro vs Bonnin Sanchez, Francisco — 1-0 — Binissalem

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