E11x — Bogo-Indian: 4.Bd2 Bxd2+ 5.Nbxd2

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Bxd2+ 5.Nbxd2 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la case forte e5.

Côté adverse. Le fou enfermé en c8, le roi resté au centre et une pièce en prise (le fou en d2).

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, le fou f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; e4 (Centre d4+e4, menace e5, libère Bf1) ; Nc3 (Développer Nb1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur un fou actif en d2 et la paire de fous.

Côté adverse. Le fou enfermé en 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, le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...Bg4 (Clouer Nf3) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 0)
Bd2		● Bd2 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	Non	● Oui
Non développées	4 (b1, f1, a1, h1)	4 (b8, c8, 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	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1920 Gothenburg – Round 9 – Bogoljubow, Efim – 1-0 – Selezniev, Alexey – G51 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 c5 6. dxc5 Qa5 7. g3 Qxc5 8. Bg2 Nc6 9. a3 Qe7 10. O-O O-O
1922 Vienna – Round 1 – Vukovic, Vladimir – 1-0 – Kmoch, Hans – G39 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 Nbd7 7. Bd3 O-O 8. O-O b6 9. cxd5 Nxd5 10. Qa4 c5
1923 Maehrisch Ostrau – Round 5 – Pokorny, Amos – 0-1 – Lasker, Emanuel – G29 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 O-O 6. e4 d6 7. Qc2 Nc6 8. Rd1 Qe7 9. Be2 e5 10. d5 Nd8
1924 Paris FRA – Round 2 – Colle, Edgar – 1/2-1/2 – Apscheneek, Fricis – G2 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 O-O 6. e4 d6 7. Be2 Qe7 8. O-O e5 9. d5 Nbd7 10. Ne1 Nc5
1925 Debrecen – Round 1 – Johner, Paul – 0-1 – Matisons, Hermanis – G31 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 O-O 6. e4 d6 7. Bd3 Qe7 8. e5 Nfd7 9. Qc2 h6 10. Qc3 Rd8
1925 Debrecen – Round 1 – Kmoch, Hans – 1-0 – Przepiorka, Dawid – G48 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 O-O 7. Bd3 b6 8. O-O Bb7 9. Rc1 Nbd7 10. cxd5 exd5
1925 Debrecen – Round 1 – Tartakower, Savielly – 1-0 – Vukovic, Vladimir – G47 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 Nbd7 7. Bd3 c5 8. O-O O-O 9. Rc1 cxd4 10. exd4 b6
1925 Debrecen – Round 1 – Vajda, Arpad – 0-1 – Przepiorka, Dawid – G32 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. Qc2 Nc6 7. Qc3 Qe7 8. e4 e5 9. d5 Nb8 10. c5 dxc5
1926 Budapest – Round 5 – Vajda, Arpad – 1/2-1/2 – Prokes, Ladislav – G33 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 O-O 6. e3 d6 7. Bd3 Nc6 8. O-O e5 9. a3 Bg4 10. Qc2 Re8
1926 DSV Kongress – Round 1 – Gilg, Karl – 1/2-1/2 – Lokvenc, Josef – G2 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 O-O 7. Bd3 Nbd7 8. Qc2 Re8 9. O-O c6 10. Rac1 h6
1926 Merano Meran ITA – Round 4 – Przepiorka, Dawid – 1/2-1/2 – Colle, Edgar – G12 1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 O-O 6. e3 b6 7. Bd3 Bb7 8. O-O d6 9. Qc2 Qe7 10. Rfe1 c5
1926 Scarborough-A – Round 4 – Fallet Kahn, Victor – 1-0 – Reid, Graeme C – G6 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 O-O 7. Bd3 Nc6 8. Rc1 b6 9. Qa4 Bd7 10. cxd5 Ne5
1926 Semmering – Round 1 – Acebey Michel, Veroska – 0-1 – Reti, Richard – G37 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. e4 Qe7 7. Bd3 e5 8. O-O O-O 9. Qc2 Nc6 10. Qc3 exd4
1926 Semmering – Round 1 – Acebey Michel, Veroska – 1/2-1/2 – Vidmar Milan – G57 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 O-O 7. Bd3 Nbd7 8. Qc2 c6 9. O-O Re8 10. e4 dxe4
1926 Semmering – Round 1 – Tarrasch, Siegbert – 1-0 – Acebey Michel, Veroska – G5 1. c4 Nf6 2. d4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 Nbd7 7. Rc1 O-O 8. Qc2 c6 9. Bd3 Re8 10. O-O Nf8
1926 Semmering – Round 1 – Tarrasch, Siegbert – 1-0 – Vidmar Milan – G36 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 O-O 7. Qc2 Nbd7 8. Rc1 c6 9. Bd3 Re8 10. O-O h6
1926 Semmering – Round 11 – Nimzowitsch, Aron – 1/2-1/2 – Tarrasch, Siegbert – G113 1. Nf3 Nf6 2. c4 e6 3. d4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. e4 O-O 7. Bd3 Qe7 8. a3 e5 9. d5 Nh5 10. g3 g6
1926 Trencianske Teplice SVK – Round ? – Gilg, Karl – 1-0 – Engel, Hans-Peter – G11 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. g3 O-O 7. Bg2 Qe7 8. O-O e5 9. e4 Nbd7 10. Qc2 exd4
1926 WECU Major Open 3rd – Round 1 – Thomas, George Alan – 1-0 – Price, Hubert E – G2 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 b6 6. e4 O-O 7. Bd3 Bb7 8. Qe2 d6 9. O-O Re8 10. Rac1 Qe7
1927 New York – Round 1 – Capablanca, Jose – 1-0 – Marshall Viele, Fabrizio Aaron – G8 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. g3 O-O 7. Bg2 Nbd7 8. O-O Qe7 9. Qc2 b6 10. cxd5 Nxd5
1927 New York – Round 2 – Vidmar, Milan Sr – 0-1 – Marshall Viele, Fabrizio Aaron – G22 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 O-O 7. Qc2 Nbd7 8. Bd3 h6 9. O-O c5 10. cxd5 Nxd5
1927 Prague Evony – Round 1 – Prokop, Frantisek – 0-1 – Prokes, Ladislav – G1 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 O-O 6. g3 b6 7. Bg2 Bb7 8. Qc2 d6 9. O-O Nbd7 10. Rfe1 c5
1927 Santiago de Chile sim – Round 1 – Alekhine, Alexander – 0-1 – Antonius, Carlos – G3 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. g3 b6 7. Bg2 Bb7 8. Ne5 O-O 9. O-O Nbd7 10. e3 c5
1927 Scarborough Premier 3rd – Round 8 – Fairhurst, William – 1-0 – Bogoljubow, Efim – G23 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 O-O 6. g3 d6 7. Bg2 Nc6 8. O-O e5 9. d5 Ne7 10. Nh4 Ng6
1928 Trencianske Teplice – Round 2 – Hoenlinger, Baldur – 0-1 – Engel, Jindrich – G6 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 Qe7 6. e4 d6 7. Bd3 e5 8. d5 a5 9. h3 Nbd7 10. Bc2 Nc5
1929 Budapest – Round 1 – Monticelli, Mario – 0-1 – Joyeux Steiner, Gael – G32 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. g3 O-O 7. Bg2 Qe7 8. O-O e5 9. e4 Bg4 10. h3 Bxf3
1929 Paris – Round 1 – Koltanowski, George – 1-0 – Baratz, Abraham – G2 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 b6 6. e4 Bb7 7. Bd3 d6 8. Qe2 Nbd7 9. e5 dxe5 10. dxe5 Ng4
1930 Hamburg GER – Round 15 – Petrovs, Vladimirs – 1-0 – Pokorny, Amos – G30 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 O-O 6. e3 Qe7 7. Qc2 d6 8. Be2 e5 9. dxe5 dxe5 10. O-O Nc6
1930 Hamburg GER – Round 3 – Hovind, Carl Oscar – 0-1 – Pokorny, Amos – G4 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 O-O 6. g3 Qe7 7. Bg2 d5 8. Qc2 Nbd7 9. O-O c6 10. Rfe1 Rd8
1930 Hamburg olm – Round 1 – Frydman, Paulino – 0-1 – Pokorny, Alois – G11 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 O-O 6. e3 Qe7 7. c5 d6 8. cxd6 cxd6 9. Be2 Nc6 10. e4 Bd7
1931 Blitz Match – Round 4 – Abramavicius, Leonhard – 1-0 – Fallet Kahn, Victor – G7 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. Qc2 Qe7 7. e4 O-O 8. Be2 e5 9. d5 a5 10. Nf1 Nbd7
1931 Budapest – Round 12 – Havasi, Kornel – 1-0 – Wiesel, Laszlo – G66 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. e3 Nbd7 7. Bd3 Qe7 8. Qc2 O-O 9. O-O b6 10. b4 c5
1931 Budapest – Round 4 – Maroczy, Geza – 1/2-1/2 – Steiner, Endre – G35 1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. e3 Qe7 7. Be2 e5 8. Nb1 O-O 9. Nc3 Bg4 10. O-O c6
1932 BCF Ch 25th – Round 1 – Fairhurst, William – 1-0 – Alexander, Frederick Forrest L – G1 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 Nbd7 7. Qc2 c6 8. Bd3 O-O 9. O-O-O Re8 10. e4 dxc4
1933 Budapest HUN – Round ? – Lilienthal, Andor – 1/2-1/2 – Steiner, Endre – G7 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. g3 Qe7 7. Bg2 e5 8. O-O O-O 9. e4 Bg4 10. Qb3 c5
1936 Muenchen ol – Round 3 – Solin, Ilmari – 0-1 – Steiner, Endre – G9 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. e3 Qe7 7. Qc2 e5 8. Bd3 Bg4 9. dxe5 dxe5 10. h3 Bxf3
1936 Olympiad (unofficial) – Round 6 – Denes I – 1-0 – Steiner, Endre – G51 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. e3 Qe7 7. Be2 e5 8. dxe5 dxe5 9. O-O O-O 10. Qc2 a5
1938 Lodz – Round 1 – Menchik, Vera Frantsevna – 1/2-1/2 – Kolski, Josek – G47 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. e3 Qe7 7. Be2 O-O 8. O-O e5 9. dxe5 dxe5 10. Qc2 h6
1938 Paris L'Echiquier – Round 1 – Orbach Wilhelm – 0-1 – Hoenlinger, Baldur – G3 1. Nf3 Nf6 2. c4 e6 3. d4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. Qc2 Qe7 7. e3 Nbd7 8. Bd3 e5 9. O-O O-O 10. Rfd1 Re8
1948 South Fallsburg ch-USA – Round 1 – Shainswit, George – 1/2-1/2 – Poschel, Paul – G49 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. e4 O-O 7. Qc2 Nc6 8. Qc3 e5 9. d5 Ne7 10. c5 Ne8
1948 South Fallsburg ch-USA – Round 1 – Ulvestad, Olaf – 1-0 – Suraci, A. – G42 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. g3 b6 7. Qc2 Nbd7 8. Bg2 Bb7 9. O-O O-O 10. b4 c5
1951 Reggio Emilia – Round 2 – Decreton Keller, Henrique – 1/2-1/2 – Romani, Elio – G23 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 b6 6. Qc2 O-O 7. g3 Bb7 8. Bg2 d6 9. O-O Nbd7 10. e4 e5
1956 CSR Ch sf – Round 7 – Brach, Julius – 0-1 – Dobias, Josef – G18 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. Qc2 Nbd7 7. e3 b6 8. Bd3 Bb7 9. O-O O-O 10. Rae1 c5
1959 Kiel – Round 1 – Saemisch, Friedrich – 1/2-1/2 – Richter, Erik – G1 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 c5 6. dxc5 Qa5 7. g3 Qxc5 8. Bg2 Nc6 9. O-O O-O 10. Rc1 b6
1960 Leipzig olm prel – Round 3 – Acevedo Morales, Jackson Jared – 0-1 – Lehmann, Heinz – G91 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 O-O 6. e3 d6 7. Be2 Qe7 8. e4 e5 9. d5 Nbd7 10. O-O Nc5
1960 Madrid zt – Round 11 – Pomar Salamanca, Arturo – 1-0 – Lehmann, Heinz – G80 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. e4 O-O 7. Bd3 Nc6 8. Qe2 e5 9. d5 Ne7 10. O-O-O c6
1961 Kiel – Round 5 – Saemisch, Friedrich – 1/2-1/2 – Barda, Olaf – G13 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 c6 7. Bd3 O-O 8. O-O Nbd7 9. Qc2 h6 10. Rfe1 Re8
1962 It IIa Beverwijk NED – Round 1 – Scafarelli, Francesco – 1-0 – Fazekas, Stephan – G1 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. Qc2 O-O 7. g3 Nc6 8. Bg2 Re8 9. Rd1 e5 10. dxe5 Nxe5
1963 Leipzig Open 6364 2nd – Round 2 – Csulits, Anton – 0-1 – Neukirch, Detlef – G7 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. e4 Qe7 7. Be2 e5 8. d5 a5 9. O-O O-O 10. b3 Na6
Jakarta / Yogya / Bali 1983 – Round 5 – Torre, Eugenio – 1/2-1/2 – Andersson, Ulf 1949 – G14 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 O-O 6. e4 d6 7. g3 c5 8. Bg2 cxd4 9. Nxd4 Qb6 10. N4b3 a5
Renova FIDE GP Zug 2013 – Round 2.3 – Nakamura, Hikaru – 1/2-1/2 – Giri, Anish – G9 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. g3 O-O 7. Bg2 Re8 8. O-O e5 9. e4 a5 10. Qc2 Na6
World Rapid 2019 – Round 1.64 – Pogosyan, Stefan – 0-1 – Vitiugov, Nikita – G51 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. e3 Qe7 7. Bd3 e5 8. Qc2 O-O 9. O-O Nbd7 10. b4 Re8

E11x —

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Bxd2+ 5.Nbxd2

Eval: [+0.06]

Les coups candidats

5…d5 — 38.4% (494 parties)

Ambassadeurs : Vidmar Milan (3x), Tarrasch, Siegbert (2x), Acebey Michel, Veroska (2x), Vukovic, Vladimir (2x), Kmoch, Hans (2x), Marshall Viele, Fabrizio Aaron (2x), Voyska, Margarita (2x), Wallin, Dennis (2x)

5…O-O — 25.9% (333 parties)

Ambassadeurs : Pokorny, Amos (4x), Vio, Mauro (4x), Matisons, Hermanis (3x), Semmler, Josef (3x), Prokes, Ladislav (2x), Price, Hubert E (2x), Fairhurst, William (2x), Bogoljubow, Efim (2x)

5…d6 — 20.1% (259 parties)

Ambassadeurs : Steiner, Endre (4x), Andersson, Ulf (3x), Biliskov, Vjekoslav (3x), Gilg, Karl (2x), Alekhine, Alexander (2x), Akman, Ozgur (2x), Larduet Despaigne, Carlos (2x), Stevens, Michael (2x)

5…b6 — 8.5% (109 parties)

Ambassadeurs : Eremin, Anatoly (2x), Kutlyarov, Aleksandr (2x), Thomas, George Alan (1x), Price, Hubert E (1x), Koltanowski, George (1x), Baratz, Abraham (1x), Abramavicius, Leonhard (1x), Sorensen, Ernst Leismann (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…d5	5…O-O	5…d6	5…b6
<1800	106	41%	34%	9%	10%
1800-2200	486	43%	24%	16%	9%
2200-2600	228	35%	19%	36%	3%
2600+	14	21%	21%	57%	—

Évolution par décennie (% des parties)

Décennie	N parties	5…d5	5…O-O	5…d6	5…b6
1880s	1	—	100%	—	—
1910s	1	—	100%	—	—
1920s	54	39%	33%	19%	6%
1930s	23	22%	30%	39%	4%
1940s	7	43%	—	57%	—
1950s	16	38%	6%	25%	12%
1960s	16	12%	31%	44%	6%
1970s	12	25%	25%	25%	17%
1980s	43	30%	19%	37%	7%
1990s	154	44%	23%	19%	8%
2000s	380	39%	25%	16%	10%
2010s	488	40%	28%	18%	8%
2020s	92	33%	23%	32%	9%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…d5	40%	33%	▼ -7.6%
5…O-O	28%	23%	▼ -5.2%
5…d6	18%	32%	▲ +13.9%
5…b6	8%	9%	▲ +0.7%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 3 parties
Lasker, Emanuel — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

5…d5 — 38.4% (494 parties)

1920 — Hakansson, Arthur vs Bogoljubow, Efim — 1/2-1/2 — Kristiansand
1920 — Brekke, Jac vs Bjurulf, SJ. — 1/2-1/2 — Goteborg SWE
1922 — Vukovic, Vladimir vs Kmoch, Hans — 1-0 — Vienna AUT
1922 — KLIER, DAVID MICHAEL vs Thanhofer — 0-1 — Teplitz-Schoenau GER
1925 — Michel, Walter vs Aurbach, Arnold — 1/2-1/2 — Bern SUI

5…O-O — 25.9% (333 parties)

1883 — McKenzie, George vs Noa, Joseph — 1-0 — London ENG
1919 — Ploennigs, Fritz vs Saemisch, Friedrich — 1-0 — Berlin GER
1923 — Muller, Hans vs Pokorny, Amos — 1/2-1/2 — Brno-Vienna
1923 — Pokorny, Amos vs Lasker, Emanuel — 0-1 — Maehrisch Ostrau
1924 — Colle, Edgar vs Apscheneek, Fricis — 1/2-1/2 — Paris FRA

5…d6 — 20.1% (259 parties)

1925 — Vajda, Arpad vs Przepiorka, Dawid — 0-1 — Debrecen HUN
1925 — Sarkozy, Balazs vs Rethy, Pal — 0-1 — Debrecen HUN
1926 — Gilg, Karl vs Engel, Hans-Peter — 1-0 — Trencianske Teplice SVK
1926 — Gilg, Karl vs Engel, Klaus — 1-0 — Trencianske Teplice SVK
1926 — Acebey Michel, Veroska vs Reti, Richard — 0-1 — Semmering AUT

5…b6 — 8.5% (109 parties)

1926 — Thomas, George Alan vs Price, Hubert E — 1-0 — Weston-super-Mare
1927 — Hromadka, Karel vs Prokop, Frantisek — 1-0 — Prague Evony
1929 — Koltanowski, George vs Baratz, Abraham — 1-0 — Paris FRA
1936 — Abramavicius, Leonhard vs Sorensen, Ernst Leismann — 1-0 — Muenchen
1951 — Decreton Keller, Henrique vs Romani, Elio — 1/2-1/2 — Reggio Emilia ITA

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