B72j — Sicilian: Dragon, Classical, Amsterdam Variation

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.Qd2 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), les cases fortes d4, b5 et d5, un fou actif en e2, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en g7 et c8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes g4 et e5, un avant-poste en e5, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Le roi resté au centre.

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) ; ...d5 (Rupture) ; ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1), ● b5 (3v0), ● d5 (2v1)	● g4 (2v1), ● e5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (2v1)	● e5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Actif (mob. 9)
Be3	● Be3 Ok (mob. 3)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (● a1, ● h1)	3 (● 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	● e4-e5, ● f2-f3	● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1903 Monte Carlo – Round 22 – Teichmann, Richard – 0-1 – Pillsbury, Harry – G42 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 d6 7. Be3 Bg7 8. Qd2 O-O 9. Nxc6 bxc6 10. Bh6 Rb8
1904 BCF Ch 1st – Round 10 – Michell, Reginald – 1-0 – Mackenzie, Arthur J – G35 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Be2 Nf6 8. Qd2 O-O 9. Rd1 Bd7 10. Nxc6 bxc6
1905 It (Men) Barmen GER – Round 1 – Capablanca, Jose – 1/2-1/2 – Kopa, Ignacy – G34 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 d6 8. Qd2 Bd7 9. O-O O-O 10. Rad1 Nxd4
1911 New York – Round 4 – Smith, Murray – 0-1 – Chajes, Oscar – G10 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Bd7 9. f3 a6 10. O-O O-O
1920 Berlijn – Round 7 – Mieses, Jacques – 1-0 – Breyer, Guy – G19 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Be2 d6 8. Qd2 Ng4 9. Bxg4 Bxg4 10. f3 Bd7
1920 Gothenburg-B – Round 4 – Larsson, Anders 1955 – 0-1 – John, Walter – G26 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be2 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Qd2 O-O 9. f3 a6 10. g4 Nxd4
1922 NED Team Ch 2122 – Round 4.1 – Elshout Visser, J. – 0-1 – Marchand, Max – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Bxg4 Bxg4 10. f3 Bd7
1927 Scarborough Premier 3rd – Round 6 – Bogoljubow, Efim – 0-1 – Yates, Frederic D – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Bd7 9. f3 Qc8 10. g4 h5
1929 Ramsgate schev – Round 2 – Tylor, Theodore Henry – 1/2-1/2 – Menchik, Vera Frantsevna – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Nxc6 bxc6 10. Bxg4 Bxg4
1930 Hamburg GER – Round 8 – Van den Bosch, Johannes – 1-0 – Rahm Ilmari – G14 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Bxg4 Bxg4 10. f3 Bd7
1931 Prague CSR – Round 16 – Van den Bosch, Johannes – 1-0 – Thomas, George Alan – G50 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Bxg4 Bxg4 10. f3 Bd7
1933 Leningrad – Round 1 – Bohatyrchuk, Fedir Parfenovych – 1-0 – Botvinnik, Mikhail – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Bxg4 Bxg4 10. Nd5 O-O
1933 Leningrad ch-URS – Round 15 – Bohatyrchuk, Fedir Parfenovych – 1-0 – Botvinnik, Mikhail – G56 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Bxg4 Bxg4 10. Nd5 O-O
1934 Leningrad ch-URS – Round 1 – Bohatyrchuk, Fedir Parfenovych – 1-0 – Ilyin Zhenevsky, Alexander – G107 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Bxg4 Bxg4 10. Nd5 Rc8
1934 Mar del Plata – Round 7 – Hounie Fleurquin, Carlos – 0-1 – Schwartzman, Alejandro – G38 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Qa5 9. h3 Nxe4 10. Nxc6 Qxc3
1935 Leningrad – Round 1 – Bohatyrchuk, Fedir Parfenovych – 1-0 – Ilyin Zhenevsky, Alexander – G5 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Bxg4 Bxg4 10. Nd5 Rc8
1935 Moscow – Round 3 – Kan, Ilya A – 1/2-1/2 – Chekhover, Vitaly – G17 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Bd7 9. O-O O-O 10. Rad1 Rc8
1936 It (Men) Amsterdam NED – Round 1 – Van den Bosch, Johannes – 0-1 – Euwe, Max – G9 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Be2 Nf6 8. Qd2 O-O 9. h4 d5 10. Nxc6 bxc6
1937 Margate – Round 4 – Tylor, Theodore Henry – 1/2-1/2 – Foltys, Jan – G16 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 O-O 9. Rd1 d5 10. Nxc6 bxc6
1937 Moskou Ch – Round ? – Naglis, Boris – 0-1 – Kotov, Alexander. – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 Ng4 9. Bxg4 Bxg4 10. Nd5 Rc8
1937 Prague – Round 3 – Foltys, Jan – 1/2-1/2 – Gilg, Karl – G14 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 Ng4 9. Bxg4 Bxg4 10. f3 Bd7
1939 AUS Ch – Round 10.1 – Goldstein, Maurice Edwards – 1/2-1/2 – Koshnitsky, Gregory – G5 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 Ng4 9. Bxg4 Bxg4 10. f3 Bd7
1939 Buenos Aires Circulo – Round 1 – Najdorf, Miguel – 0-1 – Luckis, Marcos – G30 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. d4 cxd4 5. Nxd4 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 O-O 9. h3 d5 10. Nxc6 bxc6
1939 Buenos Aires ol f-A – Round 13 – De Groot, Adriaan – 0-1 – Pelikán, Jiří – G256 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 O-O 9. f3 d5 10. Nxd5 Nxd5
1939 Buenos Aires ol f-A – Round 5 – Lundin, Erik – 1-0 – Najdorf, Miguel – G96 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Bxg4 Bxg4 10. O-O O-O
1939 Buenos Aires ol prel-A – Round 6 – Dulanto Rodriguez, Alessandro Augusto – 1/2-1/2 – Trompowsky, Octavio – G21 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 O-O 9. h3 Bd7 10. O-O a6
1939 olm Buenos Aires – Round ? – Lundin, Erik – 1-0 – Najdorf, Miguel – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Bxg4 Bxg4 10. O-O O-O
1940 New York ch-USA – Round 11 – Adams, Weaver – 0-1 – Polland David – G62 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 Ng4 9. Bxg4 Bxg4 10. f3 Be6
1940 New York ch-USA – Round 7 – Adams, Weaver – 1-0 – Bernstein, Sidney – G34 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Bxg4 Bxg4 10. f3 Be6
1940 URS-sf – Round 1 – Gerstenfeld, Eduard – 1-0 – Dubinin, Peter – G38 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 Bd7 9. f3 a6 10. Nd5 Nxd5
1940 Ventnor City – Round 9 – Adams, Weaver – 1-0 – Morris, Hazel – G32 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 d5 9. Bb5 Bd7 10. exd5 Ne5
1941 Buenos Aires Circulo – Round 8 – Acebey Michel, Veroska – 1/2-1/2 – Puiggros, Guillermo – G28 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Bxg4 Bxg4 10. O-O O-O
1942 Mar del Plata – Round 5 – Michel, Pascal – 1-0 – Canepa, Jose – G45 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Bd7 9. O-O O-O 10. Rad1 a6
1942 Mar del Plata – Round 7 – Pilnik, Herman – 1-0 – Luckis, Marcos – G61 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Bxg4 Bxg4 10. f4 Be6
1943 Madrid – Round 8 – Brinckmann, Alfred – 1/2-1/2 – Medina-Garcia, Antonio – G28 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 O-O 9. f3 d5 10. exd5 Nxd5
1944 La Plata Jockey Club – Round 15 – Sanguinetti, Renato – 1/2-1/2 – Iliesco, Juan – G72 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 O-O 9. Rd1 Bd7 10. O-O a6
1944 La Plata Jockey Club – Round 9 – Pilnik, Herman – 1/2-1/2 – Pelikan, Jorge – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 Bd7 9. Rd1 O-O 10. O-O Rc8
1944 Mar del Plata – Round 10 – Michel, Pascal – 1/2-1/2 – Pelikan, Jan – G81 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 Bd7 9. O-O O-O 10. Rad1 a6
1944 Mar del Plata – Round 5 – Pilnik, Herman – 1-0 – Luckis, Marcos – G49 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 O-O 9. Rd1 Ng4 10. Bxg4 Bxg4
1944 Mar del Plata – Round 8 – Pilnik, Herman – 1/2-1/2 – Pelikan, Jan – G70 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 Bd7 9. O-O O-O 10. f4 Rc8
1945 Prague Prague CZE – Round 10 – Opocensky, Karel – 0-1 – Richter, Emil – G18 1. d4 c5 2. e4 cxd4 3. Nf3 d6 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 Ng4 9. Bxg4 Bxg4 10. f3 Bd7
1945 URS-sf – Round 7 – Baturinsky, Victor – 1-0 – Aronin, Lev – G28 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 O-O 9. Nb3 Be6 10. O-O d5
1947 Nt – Round 8 – Malitzki – 1-0 – Ernst, Wilhelm – G23 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 O-O 9. f4 d5 10. e5 Nd7
1947 Sverdlovsk – Round 1 – Grechkin, Dmitry M – 0-1 – Saigin, Vladimir – G9 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 O-O 9. Nb3 Ng4 10. Bf4 a5
1951 Marianske Lazne zt – Round 1 – Foltys, Jan – 1/2-1/2 – Stoltz, Gabriel – G57 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Ng4 9. Bxg4 Bxg4 10. O-O O-O
1952 Helsinki olm – Round 1 – Pilnik, Herman – 0-1 – Kottnauer, Cenek – G191 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 O-O 9. Rd1 Bd7 10. O-O Rc8
1952 Paignton Premier 2nd – Round 4 – Barden, Leonard – 1-0 – Tylor, Theodore Henry – G10 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. Be2 Nf6 8. Qd2 Nxd4 9. Bxd4 O-O 10. O-O Be6
1956 Moscow olm fin-B – Round 2 – Skold, Kristian – 0-1 – Fred, Aatos – G19 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 g6 7. Be2 Bg7 8. Qd2 O-O 9. f3 d5 10. Nxc6 bxc6
1961 IBM – Round 3 – Crabbendam, Hans – 0-1 – Cuijpers, Frans Andre – G18 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 O-O 9. f3 d5 10. Nxc6 bxc6
1962 Bucharest – Round 11 – Radovici, Corvin – 1-0 – Georgescu, Vasile-Maxim – G57 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Qd2 Ng4 9. Bxg4 Bxg4 10. f4 Qd7
1962 Varna olm – Round 8 – Ridameya Tatche, Jose Miguel – 1/2-1/2 – Garcia Rodriguez, Raimundo – G361 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 O-O 9. f3 d5 10. Nxc6 bxc6
1964 IBM-B – Round 5 – Crabbendam, Hans – 1/2-1/2 – Wade, Robert G – G13 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 O-O 9. Rd1 d5 10. O-O Nxd4
1967 Montreal m – Round 1 – Streit, Howard – 0-1 – Brodie, Hugh – G1 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 Nf6 6. Be2 g6 7. Be3 Bg7 8. Qd2 O-O 9. Bh6 Bxh6 10. Qxh6 Nxd4
Bugojno 1982 – Round 1 – Larsen, Bent – 1-0 – Kavalek, Lubomir – G41 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 d6 6. Be3 Bg7 7. Be2 Nf6 8. Qd2 O-O 9. Rd1 Bd7 10. O-O Rc8

B72j — Dragon Classical Amsterdam Variation

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.Qd2

Eval: [+0.17]

Les coups candidats

8…O-O — 62.6% (1146 parties)

Ambassadeurs : Lintchevski, Daniil (8x), Ljuboschiz, Alexander (6x), Bragesjö, Tomas (5x), Van den Bosch, Johannes (4x), Glek, Igor (4x), Shevchenko, Kirill (3x), Fedorchuk, Sergey A. (3x), Luckis, Marcos (2x)

8…Ng4 — 18.6% (341 parties)

Ambassadeurs : Bohatyrchuk, Fedir Parfenovych (4x), Ilyin Zhenevsky, Alexander (3x), Van den Bosch, Johannes (3x), Pijpers, Arthur (3x), Marchand, Max (2x), Adams, Weaver (2x), Lundin, Erik (2x), Najdorf, Miguel (2x)

8…Bd7 — 10.4% (190 parties)

Ambassadeurs : Pilnik, Herman (3x), Vrhovnik, Damir (3x), Lasker, Emanuel (2x), Pelikan, Jan (2x), Michel, Pascal (2x), Garcia Balado, Leon (2x), Rybakov, Sergey (2x), Robert Short (1x)

8…a6 — 3.3% (61 parties)

Ambassadeurs : De Paoli, Emilio (1x), Platt, Jerome (1x), Michel, Pascal (1x), Montenegro Vilches, Agustin Alejandro (1x), Krizsan-Bilek, Gyulane (1x), Blagojevic, Katarina (1x), Medina-Garcia, Antonio (1x), Perez Perez, Francisco Jose (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…O-O	8…Ng4	8…Bd7	8…a6
<1800	95	56%	17%	14%	4%
1800-2200	717	61%	18%	12%	3%
2200-2600	345	77%	17%	5%	1%
2600+	13	62%	31%	8%	—

Évolution par décennie (% des parties)

Décennie	N parties	8…O-O	8…Ng4	8…Bd7	8…a6
1880s	4	—	—	25%	—
1890s	4	50%	—	50%	—
1900s	8	62%	—	38%	—
1910s	5	40%	20%	40%	—
1920s	11	9%	55%	27%	—
1930s	44	41%	52%	5%	—
1940s	34	56%	15%	21%	6%
1950s	27	52%	37%	4%	4%
1960s	37	70%	24%	—	3%
1970s	30	57%	27%	13%	3%
1980s	55	65%	13%	7%	5%
1990s	321	68%	12%	10%	5%
2000s	560	63%	16%	12%	4%
2010s	583	63%	19%	10%	2%
2020s	109	62%	29%	6%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…O-O	63%	62%	▼ -0.6%
8…Ng4	19%	29%	▲ +10.0%
8…Bd7	10%	6%	▼ -4.3%
8…a6	2%	2%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Lasker, Emanuel — 2 parties
Smyslov, Vladimir — 2 parties
Botvinnik, Mikhail — 2 parties
Euwe, Max — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

8…O-O — 62.6% (1146 parties)

1890 — Englisch, Berthold vs White, Max — 1/2-1/2 — Vienna AUT
1897 — Zinkl, Adolf vs Schlechter, Carl — 0-1 — Berlin GER
1900 — Passmore, S. vs Ward, Wesley — 0-1 — London ENG
1903 — Teichmann, Richard vs Pillsbury, Harry — 0-1 — Monte Carlo MNC
1904 — Michell, Reginald vs Mackenzie, Arthur J — 1-0 — Hastings ENG

8…Ng4 — 18.6% (341 parties)

1918 — Weenink, Henri vs Marchand, Max — 0-1 — Amsterdam NED
1920 — Mieses, Jacques vs Breyer, Guy — 1-0 — Berlin GER
1922 — Elshout Visser, J. vs Marchand, Max — 0-1 — NED
1922 — Wallace, Albert E N vs Watson, Charles — 0-1 — Melbourne AUS
1924 — Muffang, Andre vs Gibaud, Amedee — 0-1 — Strasbourg FRA

8…Bd7 — 10.4% (190 parties)

1887 — Fritz, Alexander vs McKenzie, George — 1-0 — Frankfurt GER
1892 — Lasker, Emanuel vs Robert Short — 1-0 — Baltimore, MD USA
1892 — De Visser, William vs Lasker, Emanuel — 0-1 — New York, NY USA
1905 — Capablanca, Jose vs Kopa, Ignacy — 1/2-1/2 — Barmen GER
1905 — Neumann, Augustin vs Wolf Heinrich — 0-1 — Vienna Vienna AUT

8…a6 — 3.3% (61 parties)

1943 — Michel, Pascal vs Montenegro Vilches, Agustin Alejandro — 1-0 — La Plata
1949 — De Paoli, Emilio vs Platt, Jerome — 0-1 — Trencianske Teplice SVK
1958 — Medina-Garcia, Antonio vs Perez Perez, Francisco Jose — 1-0 — Bogota COL
1966 — Krizsan-Bilek, Gyulane vs Blagojevic, Katarina — 1/2-1/2 — Oberhausen
1974 — Cardoso, Ruth vs Podrazhanskaya, Olga — 0-1 — Medellin COL

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