E59m — Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.Bd3 e5 12.Qc2

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.Bd3 e5 12.Qc2 * ● Trait aux Noirs

Ouverture — Tension centrale

♔ 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 d3, 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 g4.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), la case forte g4 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. ...Bg4 (Développer Bc8, clouer Nf3) ; ...c4 (Rupture) ; ...e4 (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	—
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● g4 (2v0)
Cases faibles	—	● e5
Centre	—	● d5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bd3	● Bd3 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 5)
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	tension
Ruptures	● c3-c4, ● d4-d5, ● e3-e4	● …c5-c4, ● …e5-e4

Partie
1942 Kuibyshev – Round 7 – Alatortsev, Vladimir N. – 1/2-1/2 – Lilienthal, Andor – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. e3 c5 6. a3 Bxc3+ 7. bxc3 O-O 8. Nf3 Nc6 9. Bd3 Qc7 10. O-O dxc4
1952 Budapest – Round 3 – Szabo, Ladislav – 1/2-1/2 – O'Kelly de Galway, Alberic – 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
1952 USSR – Round 1 – Bronstein, David I – 1/2-1/2 – Botvinnik, Mikhail – G6 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
1953 Candidats Tournament – Round 26 – Averbakh, Yuri L – 1-0 – Euwe, Max – G168 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
1953 Hastings5354 – Round 5 – Tolush, Alexander V – 0-1 – O'Kelly de Galway, Alberic – G22 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
1953 Hastings5354 – Round 9 – O'Kelly, Albéric de Galway – 1-0 – Matanovic, Aleksandar – G41 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
1953 Zagreb – Round 15 – Nikolac, Juraj – 1/2-1/2 – Matanovic, Aleksandar – G114 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
1953 Zagreb – Round 9 – Nikolac, Juraj – 1/2-1/2 – Janosevic, Dragoljub – G77 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
1954 Amsterdam olm – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Euwe, Max – G51 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 Amsterdam olm – Round 1 – Bronstein, David I – 1-0 – Horberg, Bengt-Eric – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 O-O 8. Nf3 d5 9. O-O dxc4 10. Bxc4 Qc7
1954 Amsterdam olm – Round 1 – Neikirkh, Oleg – 0-1 – Andersen, Borge – 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
1954 Belgrade – Round 10 – Gligorić, Svetozar – 1-0 – Janosevic, Dragoljub – G87 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
1954 Belgrade – Round 4 – Gligorić, Svetozar – 1-0 – Nedeljkovic, Srecko M – G46 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
1954 Budapest tt Budapest HUN – Round ? – Szily, Jozsef – 1/2-1/2 – Pogats, Jozsef Jr. – G14 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1954 Kiev ch-URS – Round 1 – Averbakh, Yuri L – 1/2-1/2 – Flohr, Salo – G9 1. c4 Nf6 2. d4 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
1954 Kiev ch-URS – Round 1 – Flohr, Salo – 1/2-1/2 – Taimanov, Mark E – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Nc6 7. O-O d5 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1954 Kiev ch-URS – Round 1 – Ilivitsky, Georgy A – 1/2-1/2 – Lilienthal, Andor – G53 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
1954 Kiev ch-URS – Round 1 – Lilienthal, Andor – 1/2-1/2 – Ragozin, Viacheslav – G50 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
1954 Leningrad master – Round ? – Geller, Efim P – 1/2-1/2 – Rovner, Dmitry – 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
1954 Liberation – Round 12 – Rabar, Braslav – 0-1 – Janosevic, Dragoljub – G23 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
1954 Montevideo – Round 9 – Najdorf, Miguel – 1-0 – Salas Romo, Julio – G77 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
1954 Olympiad final A – Round 1 – Panno, Oscar – 1/2-1/2 – Gligorić, Svetozar – G25 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
1954 Prague zt Prague CZE – Round 6 – Szabo, Laszlo – 1/2-1/2 – Kluger, Gyula – G20 1. c4 e6 2. Nc3 Nf6 3. d4 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 American Continental – Round 15 – Idigoras Guisasola, Gregorio – 0-1 – Sanguineti, Raúl Carlos – G9 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
1955 Budapest – Round ? – Jenei, Ferenc – 1/2-1/2 – Pogats, Jozsef Jr. – G92 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. e3 c5 6. Bd3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1955 Budapest – Round ? – Negyesy, Gyorgy – 1-0 – Kluger, Gyula – G100 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1955 CSR Ch – Round 10 – Kozma, Julius – 1-0 – Vesely, Jiri – G76 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
1955 CSR Ch – Round 16 – Alster, Ladislav – 1/2-1/2 – Urbanec, Karel – G123 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Bxc3 10. bxc3 Qc7
1955 CSR Ch Army – Round 1 – Alster, Ladislav – 1/2-1/2 – Kuehn von Burgsdorff, Johannes – G1 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1955 Gothenburg Interzonal – Round 14 – Pachman, Ludek – 1/2-1/2 – Rabar, Bakhtyar Hamasaleh – G127 1. c4 Nf6 2. d4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. e3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1955 Gothenburg Interzonal – Round 4 – Unzicker, Wolfgang – 1/2-1/2 – Rabar, Bakhtyar Hamasaleh – G30 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
1955 Hastings5556 – Round 7 – Taimanov, Mark E – 1-0 – Darga, Klaus – G30 1. c4 Nf6 2. Nc3 e6 3. d4 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 JUG Ch – Round 3 – Vospernik, Zdravko – 1/2-1/2 – Janosevic, Dragoljub – G4 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
1955 Moscow Ch – Round 1 – Ravinsky, Grigory – 1-0 – Khasin, Abram – G2 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
1955 Moskou ch-URS – Round 1 – Furman, Slavomir – 0-1 – Antoshin, Vladimir S – G47 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 Moskou ch-URS – Round 1 – Furman, Slavomir – 1-0 – Spassky, Boris V. – G46 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
1955 Moskou ch-URS – Round 11 – Furman, Slavomir – 1-0 – Kotov Lundqvist, Alex – G129 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
1955 USSR – Round 14.9 – Furman, Semyon – 1-0 – Rovner, Dmitry – G17 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 Zagreb – Round 16 – O'Kelly, Albéric de Galway – 1-0 – Rabar, Braslav – G158 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
1956 Candidats Tournament – Round 16 – Geller, Efim P – 1/2-1/2 – Spassky, Boris Vasily – G75 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
1956 Dresden – Round 11 – Dittmann, Sieghart – 0-1 – Padevsky, Nikola – G70 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 Dresden – Round 9 – Dittmann, Sieghart – 1-0 – Sterner, Olof – G57 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
1956 Montreal Ch – Round 12 – Bedrikovski, V. – 0-1 – Zalys, Ignas – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. e3 d5 6. Nf3 Nc6 7. a3 Bxc3+ 8. bxc3 O-O 9. Be2 dxc4 10. Bxc4 Qc7
1956 Moscow olm fin-A – Round 8 – Troianescu, Octav – 1/2-1/2 – Darga, Klaus – G129 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
1956 Moscow olm fin-A – Round 9 – Padevsky, Nikola – 1/2-1/2 – Unzicker, Wolfgang – G146 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
1956 Moscow olm fin-B – Round 5 – Rantanen, Martti – 1/2-1/2 – Noradounghian, Georges – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 d5 6. Bd3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1956 Moscow olm fin-B – Round 8 – Thorbergsson, Freysteinn – 1-0 – Catozzi, Henry – G89 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
1956 Moscow olm prel – Round 2 – Barda, Olaf – 0-1 – Keller, Dieter – G38 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
1956 New York Rosenwald – Round ? – Bisguier, Arthur B – 1-0 – Turner, Abe J – G16 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 New York Rosenwald5556 – Round 1 – Bisguier, Arthur B – 1/2-1/2 – Lombardy, William J – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 Nc6 7. O-O dxc4 8. Bxc4 O-O 9. a3 Bxc3 10. bxc3 Qc7
1956 POL-CSR Warsaw POL – Round 2 – Ujtelky, Maximilian – 1/2-1/2 – Gadalinski, Jan – G8 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1956 Yugoslavia – Round 9 – Gligorić, Svetozar – 1-0 – Djaja, Dragutin – 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
1957 Dallas – Round ? – Gligoric, Svetozar – 1-0 – Evans, Larry M – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 c5 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1957 Dublin zt – Round 1 – Gligorić, Svetozar – 1-0 – Catozzi, Henry – G3 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
1957 Leningrad – Round 1 – Geller, Efim P – 0-1 – Matanovic, Aleksandar – G9 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
1957 Sombor – Round 8 – Gligorić, Svetozar – 1-0 – Janosevic, Dragoljub – G85 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
1957 USA Ch Open 58th – Round 10 – Bisguier, Arthur B – 1-0 – Smith, Kenneth – G70 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
1958 Buenos Aires V – Round 13 – Palermo, Vicente – 0-1 – Shocron, Ruben – G54 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1958 Munich olm fin-B – Round 4 – Thorbergsson, Freysteinn – 1/2-1/2 – Enevoldsen, Jens – G29 1. c4 Nf6 2. d4 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
1959 Lima – Round 13 – Pinzon, Felipe – 1/2-1/2 – Quinones Carrillo, Oscar – G67 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
1959 Wch U20 prel-C – Round 7 – Velasco Aragones, Enrique – 0-1 – Bielicki, Carlos – G15 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 1 – Incutto, Carlos – 1/2-1/2 – Alvarez De Espejo Montiel, Miguel – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 d5 6. Bd3 Nc6 7. a3 Bxc3+ 8. bxc3 O-O 9. O-O Qc7 10. Qc2 dxc4
1960 Corr Golden Knights – Round ? – Schoene, Andy – 1/2-1/2 – Zalys, Ignas – G4 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 Leipzig olm fin-A – Round 3 – Wexler, Bernardo – 1-0 – Haygarth, Michael J – G46 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 Qc7 10. Qc2 dxc4
1960 Leipzig olm prel – Round 9 – Schweber, Samuel – 1/2-1/2 – Janetschek, Karl – G306 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 d5 7. O-O dxc4 8. Bxc4 O-O 9. a3 Bxc3 10. bxc3 Qc7
1961 Baden-Vienna – Round 1 – O'Kelly de Galway, Alberic – 1-0 – Stockl, Cameron – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Nc6 7. O-O d5 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1962 It IIb – Round 4 – Rellstab, Ludwig – 1/2-1/2 – Kramer, Haije – G7 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
1964 Reykjavik – Round 3 – Gligorić, Svetozar – 1-0 – Palmason, Gudmundur – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 Nc6 7. O-O d5 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7
1966 Rio Hondo zt – Round 8 – Mecking, Henrique – 1-0 – Alvarez del Monte, Jose – G15 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
1968 Malaga ESP – Round 1 – Visier Segovia, Fernando – 1-0 – Medina-Garcia, Antonio – G1 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
1968 Reggio Emilia – Round 6 – Trincardi, Tullio – 1/2-1/2 – Damjanovic, Mato – G9 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

E59m — 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.Bd3 e5 12.Qc2

Les coups candidats

12…Re8 — 74.9% (690 parties) →

Ambassadeurs : Donner, Jan-Hein (10x), Gligorić, Svetozar (6x), Bouwmeester, Hans (5x), Portisch, Lajos (5x), Spassky, Boris V. (5x), Spassky, Boris Vasily (5x), Sosonko, Gennadi (5x), Peralta, Fernando (5x)

12…Bg4 — 10.4% (96 parties)

Ambassadeurs : Taimanov, Mark (3x), Spassky, Boris Vasily (3x), Furman, Slavomir (3x), Flohr, Salo (2x), Darga, Klaus (2x), Lilienthal, Andor (2x), Jorgensen, Vagn Rauhe (2x), Spassky, Boris V. (2x)

12…Rd8 — 6.7% (62 parties)

Ambassadeurs : Gligorić, Svetozar (5x), Janosevic, Dragoljub (4x), Matanovic, Aleksandar (3x), Rabar, Bakhtyar Hamasaleh (2x), Unzicker, Wolfgang (2x), Rabar, Braslav (2x), Dittmann, Sieghart (2x), Padevsky, Nikola (2x)

12…Qe7 — 5.3% (49 parties)

Ambassadeurs : Mierzejewski, Stanislaw (2x), Botvinnik, Mikhail (2x), Bisguier, Arthur B (2x), Kapic, Ibrahim (2x), Euwe, Max (2x), Neikirkh, Oleg (2x), Zbins (1x), Zemgalis, Elmars (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12…Re8	12…Bg4	12…Rd8	12…Qe7
<1800	18	94%	—	6%	—
1800-2200	156	81%	11%	3%	3%
2200-2600	274	80%	10%	6%	1%
2600+	17	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	12…Re8	12…Bg4	12…Rd8	12…Qe7
1940s	2	—	—	—	100%
1950s	132	36%	27%	21%	12%
1960s	96	70%	8%	4%	12%
1970s	99	87%	3%	1%	8%
1980s	82	91%	2%	1%	4%
1990s	144	81%	11%	5%	1%
2000s	193	81%	9%	6%	2%
2010s	153	82%	10%	5%	2%
2020s	20	80%	—	10%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12…Re8	82%	80%	▼ -2.4%
12…Bg4	10%	0%	▼ -9.8%
12…Rd8	5%	10%	▲ +5.4%
12…Qe7	2%	0%	▼ -2.0%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 5 parties
Botvinnik, Mikhail — 2 parties
Karpov, Aleksandr — 1 partie
Kasparov, Garry — 1 partie

Parties historiques

12…Re8 — 74.9% (690 parties)

1953 — Bronstein, David I vs Euwe, Max — 1/2-1/2 — Zurich SUI
1954 — Porath, Yosef vs Staahlberg, Gideon — 1/2-1/2 — Amsterdam NED
1954 — Kazic, Bozidar vs Majstorovic, Ljubinko — 1/2-1/2 — ?
1955 — Kazic, Bozidar vs Szily, Jozsef — 1-0 — CCOL3 prel corr
1955 — Vladimirov, Boris T vs Lisitsin, Georgy — 0-1 — URS-ch sf Moscow RUS

12…Bg4 — 10.4% (96 parties)

1954 — Szabo, Laszlo vs Kluger, Gyula — 1/2-1/2 — Prague zt Prague CZE
1954 — Averbakh, Yuri L vs Flohr, Salo — 1/2-1/2 — Kiev ch-URS
1954 — Lilienthal, Andor vs Ragozin, Viacheslav — 1/2-1/2 — Kiev ch-URS
1954 — Flohr, Salo vs Taimanov, Mark — 1/2-1/2 — Kiev ch-URS
1954 — Ilivitsky, Georgy A vs Lilienthal, Andor — 1/2-1/2 — Kiev ch-URS

12…Rd8 — 6.7% (62 parties)

1952 — Szabo, Ladislav vs O'Kelly de Galway, Alberic — 1/2-1/2 — Budapest HUN
1953 — Tolush, Alexander V vs O'Kelly de Galway, Alberic — 0-1 — Hastings ENG
1953 — O'Kelly, Albéric de Galway vs Matanovic, Aleksandar — 1-0 — Hastings ENG
1953 — Nikolac, Juraj vs Matanovic, Aleksandar — 1/2-1/2 — Zagreb CRO
1953 — Moiseev, Oleg vs Stoeckl, Ernst — 1-0 — Vienna AUT

12…Qe7 — 5.3% (49 parties)

1942 — Alatortsev, Vladimir N. vs Lilienthal, Andor — 1/2-1/2 — Kuibyshev
1949 — Zbins vs Zemgalis, Elmars — 1/2-1/2 — Esslington
1952 — Bronstein, David I vs Botvinnik, Mikhail — 1/2-1/2 — Gagra/Voronovo
1953 — Nikolac, Juraj vs Janosevic, Dragoljub — 1/2-1/2 — Zagreb CRO
1953 — Averbakh, Yuri L vs Euwe, Max — 1-0 — Zurich SUI