E59i — Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.Bb5

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 10.Bxc4 Qc7 11.Bb5 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Jeu au centre (rupture c3-c4).

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), un fou actif en b5, la paire de fous et la colonne semi-ouverte b.

Côté adverse. Le fou enfermé en c8 et une pièce en prise (le pion en c5).

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1) et le pion isolé a3.

Plans. Bd2 (Développer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte d5.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), la case forte d5, un avant-poste en d5 et la colonne semi-ouverte d.

Côté adverse. Le pion isolé a3 et le fou enfermé en c1.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)) ; ...c4 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	● a3	—
Arriérés	—	—
Chaînes	● f2→e3, c3→d4, e3→d4	● f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● d5 (2v0)
Cases faibles	—	● e5
Centre	● d4 (4v2)	● d5 (2v0), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bb5	● Bb5 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	Non
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	semi-ouvert
Ruptures	● c3-c4, ● d4-d5, ● e3-e4	● …c5-c4, ● …e6-e5

Partie
1954 HUN Ch 10th – Round ? – Szabo, Laszlo – 1-0 – Pogats, Jozsef Jr. – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1954 Olympiad final B – Round 10 – Cuellar Gacharna, Miguel – 1-0 – Vesterinen, Jorma – G61 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1955 Budapest – Round 1 – Szabo, Ladislav – 1-0 – Pogats, Jozsef Jr. – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1955 Buenos Aires CA – Round 16 – Szabo, Laszlo – 1/2-1/2 – Gligorić, Svetozar – G113 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1955 Prague tm Prague CZE – Round 3 – Kluger, Gyula – 1-0 – Arlamowski, Edward – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1955 URS Ch sf Moscow RUS – Round 1 – Lein, Anatoly – 1-0 – Tolush, Alexander V – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1956 Alekhine Memorial – Round 1 – Szabo, Ladislav – 1/2-1/2 – Padevsky, Nikola – G19 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 O-O 7. O-O d5 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1956 CSR Ch – Round 8 – Ujtelky, Maximilian – 1/2-1/2 – Kozma, Julius – G72 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1957 URS Ch, semi final – Round 19 – Furman, Slavomir – 1/2-1/2 – Reshko, Aron – G172 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1958 Munich olm fin-A – Round 7 – Gligorić, Svetozar – 1-0 – Unzicker, Wolfgang – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1958 Munich olm fin-B – Round 8 – Ojanen, Kaarle S – 0-1 – Euwe, Max – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 d5 6. Bd3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1958 Munich olm prel – Round 2 – Johannsson, Ingi R – 1-0 – Safvat, Yousof – G34 1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. d4 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1958 Munich olm prel – Round 3 – Pachman, Ludek – 1-0 – Sterner, Olof – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1958 Munich olm prel – Round 4 – Gligorić, Svetozar – 1-0 – Andersen, Borge – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1958 Portoroz Interzonal – Round 15 – Petrosian, Tigran V – 1/2-1/2 – Averbakh, Yuri L – G139 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1958 Portoroz Interzonal – Round 20 – Bronstein, David I – 1/2-1/2 – Filip, Marius Liviu – G188 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1958 Sarajevo Sarajevo BIH – Round ? – Sokolov, Vladimir – 1-0 – Lokvenc, Josef – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1958 URS Ch sf – Round ? – Geller, Efim P – 1-0 – Osnos, Viatcheslav – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1958 Yugoslavia – Round 3 – Geller, Efim P – 1-0 – Matanovic, Aleksandar – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1959 Belgrade – Round 1 – Vukovic, Sava – 1/2-1/2 – Jovanic R – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1959 BUL Ch Sofia BUL – Round 4 – Radev, Nikolai – 1/2-1/2 – Padevsky, Nikola – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1959 Dresden – Round 2 – Geller, Efim P – 1-0 – Padevsky, Nikola – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1959 Hoogovens – Round ? – Donner, Jan-Hein – 1/2-1/2 – Van Scheltinga, Theo – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1959 Kragujevac ch14-YUG – Round ? – Gligoric, Svetozar – 1/2-1/2 – Sokolov, Vladimir – G110 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1959 Kragujevac ch14-YUG – Round 1 – Gligorić, Svetozar – 1/2-1/2 – Matanovic, Aleksandar – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1959 Mar del Plata – Round ? – De Souza Mendes, Joao – 1-0 – Shocron, Ruben – G92 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 d5 7. O-O O-O 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1959 Mar del Plata – Round ? – Ivkov, Borislav – 1-0 – Wexler, Bernardo – G91 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1959 Mar del Plata – Round 1 – Letelier Martner, Rene – 1-0 – Redolfi, Argentino Rodolfo – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1959 Marianske Lazne – Round 8 – Polugaevsky, Lev – 1-0 – Blatny, Frantisek – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 d5 6. Bd3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1959 Santiago – Round 2 – Ivkov, Borislav – 1/2-1/2 – Jauregui, Carlos – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1960 Buenos Aires ch-ARG – Round 6 – Goldenberg, Edgardo – 1-0 – Behrensen, Jorge – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1960 Leipzig olm fin-A – Round 2 – Ujtelky, Maximilian – 1-0 – Kramer, Haije – G22 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1960 Leningrad ch-URS – Round 3 – Geller, Efim P – 1/2-1/2 – Averbakh, Yuri L – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1960 Leningrad tt – Round 7 – Sokolov, Vladimir – 1/2-1/2 – Kolarov, Atanas S. – G90 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Bxc3 10. bxc3 Qc7
1961 Oberhausen etc – Round 3 – Niephaus, Walter – 1/2-1/2 – Pogats, Jozsef Jr. – G85 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1961 ROM Ch – Round 12 – Radovici, Corvin – 1/2-1/2 – Gheorghiu, Florin – G75 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1961 ROM Ch – Round 7 – Radovici, Corvin – 1/2-1/2 – Szabo, Iuliu inactive – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 O-O 7. a3 Bxc3+ 8. bxc3 d5 9. O-O dxc4 10. Bxc4 Qc7
1962 Mar del Plata – Round 6 – Sanguineti, Raúl Carlos – 1-0 – Bielicki, Carlos – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1962 Spartak Ch – Round 3 – Zhukhovitsky, Samuel – 1/2-1/2 – Kondratiev, Pavel E – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1962 URS Team Ch – Round 1 – Zilber, Israel – 1-0 – Roizman, Michael – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 d5 6. Bd3 Nc6 7. O-O O-O 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1964 Amsterdam Interzonal – Round 22 – Reshevsky, Samuel – 1-0 – Porath, Yosef – G223 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 d5 6. Bd3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1964 Reykjavik – Round 12 – Johannsson, Ingi R – 1/2-1/2 – Kristinsson, Jon – G69 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1964 Tel Aviv olm fin-A – Round 10 – Portisch, Lajos – 1-0 – Andersen, Baltser – G212 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Bxc3 10. bxc3 Qc7
1964 Tel Aviv olm prel – Round 1 – Portisch, Lajos – 1-0 – Porath, Yosef – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1965 Buenos Aires Ch – Round 12 – Garcia, Horacio Pedro – 0-1 – Palermo, Vicente – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 Nc6 7. O-O O-O 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1965 HUN-ch21 – Round 1 – Farago, Ivan – 0-1 – Dely, Peter – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1965 Hungary – Round 1 – Farago, Ivan – 1-0 – Pogats, Jozsef Jr. – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1965 Mar del Plata – Round 4 – Bolbochan, J. – 1/2-1/2 – Behrensen, Joern – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 Nc6 7. O-O d5 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1965 Pardubice – Round 15 – Smejkal, Jakub – 1/2-1/2 – Pithart, Frantisek – G92 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1966 Mar del Plata 27th – Round 4 – Acosta Garcia, Rafael Isaac – 1-0 – Rossetto, Hector – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 dxc4 7. Bxc4 c5 8. O-O Nc6 9. a3 Bxc3 10. bxc3 Qc7
1966 Rio Hondo zt – Round 2 – Luckis, Marcos – 0-1 – Alvarez del Monte, Jose – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1968 ROM Ch – Round 5 – Urzica, Aurel – 1/2-1/2 – Szabo, Iuliu inactive – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 Nc6 6. Bd3 d5 7. O-O O-O 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1973 Leningrad Interzonal – Round 2 – Kuzmin, Gennadi – 1-0 – Estevez Garcia, Gonzalo – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
Candidats qf3 1980 – Round 4 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris V. – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
World Blitz 2017 – Round 12.45 – Kuzubov, Yuriy – 1/2-1/2 – Sanal, Vahap – G640 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 O-O 7. O-O d5 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7

E59i — Main Line

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 10.Bxc4 Qc7 11.Bb5

Eval: [+0.19]

Les coups candidats

11…a6 — 38.7% (132 parties)

Ambassadeurs : Szabo, Iuliu inactive (3x), Sokolov, Vladimir (3x), Tiviakov, Sergei (3x), Ujtelky, Maximilian (2x), Porath, Yosef (2x), Radovici, Corvin (2x), Ivkov, Borislav (2x), Gheorghiu, Florin (2x)

11…Bd7 — 22.6% (77 parties)

Ambassadeurs : Geller, Efim P. (3x), Balashov, Yuri (3x), Padevsky, Nikola (2x), Matanovic, Aleksandar (2x), Zilber, Israel (2x), Hoi, Carsten (2x), Lerner, Konstantin Z (2x), Zaichik, Gennadi (2x)

11…Rd8 — 22.0% (75 parties)

Ambassadeurs : Gligorić, Svetozar (2x), Radev Iordanov, Nikolay (2x), Hesselbarth, Karlheinz, Dr. (2x), Da Silva, Flavio Arnaldo Braga (2x), Boyd, Frank (1x), Lodge, David Wilfred (1x), Matanovic, Aleksandar (1x), Garcia, Horacio Pedro (1x)

11…b6 — 14.4% (49 parties)

Ambassadeurs : Donner, Jan-Hein (3x), Schweber, Samuel (3x), Johannsson, Ingi R (2x), Safvat, Yousof (2x), Cuellar Gacharna, Miguel (2x), Pogats, Jozsef Jr. (2x), Gligorić, Svetozar (2x), Huss, Andreas (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11…a6	11…Bd7	11…Rd8	11…b6
<1800	4	75%	—	—	25%
1800-2200	51	59%	8%	18%	14%
2200-2600	123	37%	24%	22%	15%
2600+	7	71%	—	—	29%

Évolution par décennie (% des parties)

Décennie	N parties	11…a6	11…Bd7	11…Rd8	11…b6
1950s	40	38%	25%	12%	25%
1960s	46	33%	17%	30%	13%
1970s	47	15%	45%	23%	15%
1980s	27	30%	41%	22%	7%
1990s	52	46%	17%	17%	15%
2000s	65	49%	17%	25%	8%
2010s	59	47%	12%	22%	17%
2020s	5	60%	—	20%	20%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11…a6	47%	60%	▲ +12.5%
11…Bd7	12%	0%	▼ -11.9%
11…Rd8	22%	20%	▼ -2.0%
11…b6	17%	20%	▲ +3.1%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 1 partie

Parties historiques

11…a6 — 38.7% (132 parties)

1955 — Lein, Anatoly vs Tolush, Alexander V — 1-0 — URS-ch sf Moscow RUS
1956 — Ujtelky, Maximilian vs Kozma, Julius — 1/2-1/2 — Podebrady CZE
1957 — Furman, Slavomir vs Reshko, Aron — 1/2-1/2 — Kiev UKR
1958 — Petrosian, Tigran V. vs Averbakh, Yuri L — 1/2-1/2 — Portoroz SLO
1958 — Bronstein, David I vs Ezzat Philip, Maxim — 1/2-1/2 — Portoroz SLO

11…Bd7 — 22.6% (77 parties)

1955 — Bilek, Istvan vs Kluger, Gyula — 0-1 — Szeged HUN
1956 — Szabo, Ladislav vs Padevsky, Nikola — 1/2-1/2 — Moscow RUS
1958 — Ojanen, Kaarle S vs Euwe, Max — 0-1 — Munchen olm
1958 — Geller, Efim P. vs Matanovic, Aleksandar — 1-0 — Yugoslavia
1958 — Geller, Efim P. vs Matanovic, Aleksandar — 1-0 — Zagreb tt

11…Rd8 — 22.0% (75 parties)

1955 — Szabo, Laszlo vs Gligorić, Svetozar — 1/2-1/2 — Buenos Aires ARG
1958 — Keres, Paul vs Bronstein, David I — 1/2-1/2 — Vilnius LTU
1959 — Gligorić, Svetozar vs Matanovic, Aleksandar — 1/2-1/2 — Kragujevac ch14-YUG
1959 — Radev Iordanov, Nikolay vs Gray, Denis — 1-0 — Budapest HUN
1959 — O'Kelly de Galway, Alberic vs Secchi, Eduardo — 1-0 — ICCF

11…b6 — 14.4% (49 parties)

1954 — Cuellar Gacharna, Miguel vs Vesterinen, Jorma — 1-0 — Amsterdam NED
1954 — Szabo, Laszlo vs Pogats, Jozsef Jr. — 1-0 — Budapest HUN
1955 — Szabo, Ladislav vs Pogats, Jozsef Jr. — 1-0 — Budapest HUN
1955 — Kluger, Gyula vs Arlamowski, Edward — 1-0 — Prague tm Prague CZE
1958 — Johannsson, Ingi R vs Safvat, Yousof — 1-0 — Munich GER

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