E58c — Nimzo-Indian: Main Line, 9.bxc3 b6

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 b6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte e5.

Atouts. Les Blancs s'appuient sur la case forte e5, un fou actif en d3, la paire de fous et la colonne semi-ouverte b.

Côté adverse. Le fou enfermé en c8.

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 e4.

Atouts. Les Noirs s'appuient sur la case forte e4 et un avant-poste en e4.

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, ...Bg4, ...Bf5)) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	● c3, ● c4	—
Pions isolés	● a3	—
Arriérés	—	—
Chaînes	● f2→e3, c3→d4, e3→d4	● b6→c5, e6→d5, a7→b6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (3v2), ● e5 (2v1)	● d5 (3v1), ● e4 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	—

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bd3	● Bd3 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 3)
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	fermé
Ruptures	● e3-e4	● …e6-e5

Partie
1911 San Sebastian – Round 8 – Burn, Amos – 1-0 – Bernstein, Olivia – G46 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nf6 5. e3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. Qc2 cxd4
1929 Karlsbad – Round 1 – Johner, Paul – 0-1 – Matisons, Hermanis – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d5 6. e3 c5 7. Bd3 Nc6 8. Nf3 O-O 9. O-O b6 10. cxd5 exd5
1932 Berlin Ch – Round 6 – Rellstab, Ludwig – 1/2-1/2 – Saemisch, Friedrich – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 c5 6. Bd3 Nc6 7. O-O O-O 8. a3 Bxc3 9. bxc3 b6 10. Bb2 Na5
1935 Warsaw ol – Round 1 – Nielsen, Julius – 0-1 – Muller, Hans – G4 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 b6 10. Bb2 cxd4
1936 Dresden – Round 4 – Stahlberg, Gideon – 1-0 – Saemisch, Friedrich – 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 b6 10. cxd5 exd5
1937 Kemeri – Round 1 – Landau, Salo – 0-1 – Keres, Paul Petrovich – G45 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 b6 10. Ne5 Nxe5
1938 AVRO – Round 1 – Alekhine, Alexander – 1/2-1/2 – Keres, Paul – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. a4 cxd4
1939 Amsterdam m ch-NED – Round 1 – Landau, Salo – 1/2-1/2 – Euwe, Max – G1 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 b6 10. cxd5 exd5
1941 Leningrad/Moscow – Round 3 – Lilienthal, Andor – 1/2-1/2 – Keres, Paul – G20 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 b6 10. cxd5 exd5
1947 GBR Ch 34th – Round 10 – Blow, Ronald – 1/2-1/2 – Broadbent, Reginald – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. Nf3 Nc6 9. O-O b6 10. Bb2 Bb7
1948 Nijmegen – Round 4 – Henneberke, Frans – 1-0 – Baay, Jacob – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 c5 6. a3 Bxc3+ 7. bxc3 O-O 8. Bd3 Nc6 9. O-O b6 10. cxd5 exd5
1951 YUG Ch 6th – Round 3 – Simonovic, Borko – 0-1 – Matanovic, Aleksandar – G12 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 b6 10. Bb2 Ba6
1952 GBR Ch U18 – Round 8 – Sanderson, Peter Darrell – 1/2-1/2 – Cafferty, Bernard – G8 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 d5 7. O-O O-O 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1952 Helsinki olm – Round 1 – Byrne, Ray – 1-0 – Skold, Kent-Ake – G51 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 b6 10. cxd5 exd5
1952 Moscow Ch – Round 1 – Lilienthal, Andor – 1-0 – Averbakh, Yuri L – G3 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 b6 10. cxd5 exd5
1952 URS Ch sf – Round ? – Taimanov, Mark E – 1/2-1/2 – Bondarevsky, Igor – G8 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 b6 10. cxd5 exd5
1953 Buenos Aires m – Round 10 – Najdorf, Miguel – 1-0 – Reshevsky, Samuel – G5 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 b6 10. cxd5 exd5
1953 Candidats Tournament – Round 11 – Euwe, Max – 0-1 – Averbakh, Yuri L – G68 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 b6 10. cxd5 exd5
1953 Candidats Tournament – Round 12 – Keres, Paul Petrovich – 0-1 – Averbakh, Yuri L – G74 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 b6 10. Ne5 Bb7
1953 Candidats Tournament – Round 15 – Smyslov, Vladimir – 1/2-1/2 – Petrosian, Tigran A. – G92 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 b6 10. cxd5 exd5
1953 Candidats Tournament – Round 2 – Reshevsky, Samuel – 1/2-1/2 – Petrosian, Tigran V – 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 b6 10. cxd5 exd5
1953 Candidats Tournament – Round 20 – Taimanov, Mark E – 1-0 – Petrosian, Tigran V – G130 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 b6 10. cxd5 exd5
1953 GER Ch 15th – Round 3 – Niephaus, Walter – 1/2-1/2 – Koch, Berthold – G6 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. a4 Qc7
1953 Zagreb – Round 8 – Janosevic, Dragoljub – 1-0 – Puc, Stojan – G71 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 b6 10. cxd5 exd5
1954 Belgrade – Round 2 – Rabar, Braslav – 1/2-1/2 – Petrosian, Tigran A. – G36 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 b6 10. cxd5 exd5
1954 Mar del Plata – Round 13 – Najdorf, Miguel – 1-0 – Wexler, Bernardo – G99 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 b6 10. cxd5 exd5
1954 Mar del Plata zt Mar – Round 13 – Najdorf, Miguel – 1-0 – Wexler, Bernardo – G8 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 b6 10. cxd5 exd5
1955 Argentina – Round 15 – Reinhardt, Heinrich – 0-1 – Corte, Cesar J – G105 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 b6 10. cxd5 exd5
1955 Gothenburg Interzonal – Round 1 – Geller, Efim P – 1-0 – Sliwa, Bogdan – G4 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 b6 10. cxd5 exd5
1955 Gothenburg Interzonal – Round 3 – Bronstein, David I – 1-0 – Sliwa, Bogdan – G21 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1955 Gothenburg Interzonal – Round 5 – Rabar, Bakhtyar Hamasaleh – 0-1 – Sliwa, Bogdan – G44 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 b6 10. cxd5 exd5
1955 Hoogovens – Round 4 – Kramer, Haije – 1-0 – Bergsma, Alois – 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 b6 10. cxd5 exd5
1955 Long Beach US Open – Round 9 – Steinmeyer, Robert – 0-1 – Zalys, Ignas – G7 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 b6 10. a4 Qc7
1955 Moscow Ch – Round 14 – Shcherbakov, Vitaly – 0-1 – Simagin, Vladimir – G83 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 O-O 8. Nf3 d5 9. O-O b6 10. cxd5 exd5
1955 Novi Sad – Round 11 – Vospernik, Zdravko – 1/2-1/2 – Djurasevic, Bozidar – G87 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 b6 10. cxd5 exd5
1955 Poland ch13 – Round 4 – Luczynowicz, Waclaw – 1/2-1/2 – Pytlakowski, Andrzej – G12 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 b6 10. cxd5 exd5
1956 Moscow olm prel – Round 8 – Niemela, Ilmari Aarne – 1-0 – Venkataramanan, T.S. – G248 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 b6 10. cxd5 exd5
1956 Moskou olm – Round 1 – Thorbergsson, Freysteinn – 1/2-1/2 – Venkataramanan, T.S. – G28 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 b6 10. cxd5 exd5
1957 It Gotha GER – Round 9 – Golz, Werner – 0-1 – Sliwa, Bogdan – 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 b6 10. cxd5 exd5
1957 Reykjavik – Round 7.2 – Berthold, Andreas – 1-0 – Yepez, Olavo – G46 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 b6 10. Bb2 Qc7
1957 Reykjavik ol stud tt – Round 3.1 – Diaz Munos, Nestor Mauricio – 1-0 – Olafsson, Fridrik – G18 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 b6 10. Qc2 Ba6
1957 URS Ch, semi final – Round 1 – Taimanov, Mark E – 1-0 – Bagirov, Vladimir – G30 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 b6 10. cxd5 exd5
1957 Warchau ch POL – Round 7 – Galewicz, Marek – 1/2-1/2 – Sliwa, Bogdan – G34 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 b6 10. Ne5 Nxe5
1958 Argentina – Round 12 – Emma, Jaime – 1-0 – Espinosa Flores, Rafael Emilio – G94 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 b6 10. cxd5 exd5
1958 Argentina – Round 8 – Garcia Vera, Romeo – 0-1 – Espinosa Flores, Rafael Emilio – G62 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 b6 10. cxd5 exd5
1958 Haifa/Tel Aviv – Round 1 – Szabo, Laszlo – 1/2-1/2 – Persitz, Raaphi – G1 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1959 Tbilisi ch-URS – Round 6 – Kortchnoi, V. – 1-0 – Gurgenidze, B. – G46 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 b6 10. cxd5 exd5
1960 Balatonfured – Round 2 – Damjanovic, Mato – 1-0 – Sliwa, Bogdan – G5 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 b6 10. cxd5 exd5
1960 Buenos Aires ch-ARG – Round 9 – Schweber, Samuel – 1-0 – Espinosa Flores, Rafael Emilio – G63 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 b6 10. cxd5 exd5
1960 Leipzig olm fin-B – Round 1 – Lindblom, Per – 1-0 – Persitz, Raaphi – G7 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 b6 10. cxd5 exd5
1960 Leipzig olm prel – Round 3 – Najdorf, Miguel – 1/2-1/2 – Sliwa, Bogdan – G78 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1960 Ljubljana – Round 5 – Vukovic, Maksimilijan – 1/2-1/2 – Puc, Stojan – G45 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 b6 10. cxd5 exd5
1960 UKR Ch sf – Round 12 – Kurass, Iskir – 1/2-1/2 – Nikolaevsky, Yuri V – 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 b6 10. cxd5 exd5
1960 UKR Ch sf – Round 14 – Kostiuchenko, Alexander – 1/2-1/2 – Nikolaevsky, Yuri V – G86 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 b6 10. cxd5 exd5
1961 Buenos Aires CA – Round 5 – Cruz, Raul C. – 1-0 – Espinosa Flores, Rafael Emilio – G12 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 b6 10. cxd5 exd5
1961 Buenos Aires CA – Round 7 – Goldenberg, Edgardo – 0-1 – Espinosa Flores, Rafael Emilio – G16 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 b6 10. cxd5 exd5
1961 Buenos Aires Villa – Round 1 – Cruz, Raul C. – 1/2-1/2 – Espinosa Flores, Rafael Emilio – G5 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 b6 10. cxd5 exd5
1961 Kiel – Round 1 – Schneider, Werner – 1-0 – Saemisch, Friedrich – G1 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 d5 6. Bd3 Nc6 7. O-O O-O 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1961 Marianske Lazne zt – Round 1 – Niemela, Ilmari Aarne – 0-1 – Sliwa, Bogdan – G7 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 b6 10. Ne5 Nxe5
1962 GDR Ch Gera GER – Round 17 – Bertholdt, Dieter – 1-0 – Fuchs, Reinhart – G25 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 b6 10. cxd5 exd5
1962 Mar del Plata Latin – Round 1 – Luckis, Marcos – 0-1 – Colon Cortegoso, Marta – G1 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 b6 10. cxd5 exd5
1962 Varna olm – Round 2 – Raisa, Unto – 1/2-1/2 – Sliwa, Bogdan – G80 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1962 Varna olm – Round 4 – Soos, Bela – 1-0 – Abdel Mohsen Ammar, Mohamed – G163 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 b6 10. cxd5 exd5
1966 Palma de Mallorca – Round 7 – Portisch, Lajos – 0-1 – Pomar Salamanca, Arturo – G41 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 b6 10. cxd5 exd5
1967 Hoogovens – Round 1 – Gligorić, Svetozar – 1-0 – Pomar Salamanca, Arturo – G2 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 b6 10. cxd5 exd5
1968 Hastings6869 – Round 5 – Gligorić, Svetozar – 1-0 – Persitz, Raaphi – G23 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 b6 10. cxd5 exd5
1969 YUG Ch 24th – Round 5 – Stupica, Janez – 0-1 – Cvetkovic, Srdjan – G16 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 b6 10. cxd5 exd5

E58c — 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 b6

Les coups candidats

10.cxd5 — 77.5% (656 parties)

Ambassadeurs : Popov, Vladimir Valentinovich (19x), Bernal Varela, Nelson (11x), Mroczek, Jacek (10x), Sliwa, Bogdan (7x), Espinosa Flores, Rafael Emilio (7x), Najdorf, Miguel (6x), Palladino, Mario (6x), Szabo, Vilmos (6x)

10.Bb2 — 5.9% (50 parties)

Ambassadeurs : Cvetkovic, Srdjan (2x), Rellstab, Ludwig (1x), Saemisch, Friedrich (1x), Lilienthal, Georg (1x), Gauffin, Adrian (1x), Nielsen, Julius (1x), Muller, Hans (1x), De Araujo Pires, C (1x)

10.Re1 — 4.5% (38 parties)

Ambassadeurs : Reede, Arvo (2x), Wharrier, Jonathon A (2x), Popov, Vladimir Valentinovich (2x), Davydov, Andrej (2x), Van Bommel, Ton (2x), Griffiths, Peter C (1x), Levens, David G (1x), Oppedal, David (1x)

10.a4 — 3.8% (32 parties)

Ambassadeurs : Alekhine, Alexander (1x), Keres, Paul (1x), Vlagsma, Chris (1x), Simonovic, Borko (1x), Nathans, PJ. (1x), Paulakos, G. (1x), Niephaus, Walter (1x), Koch, Berthold (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.cxd5	10.Bb2	10.Re1	10.a4
<1800	26	69%	8%	15%	—
1800-2200	355	74%	6%	6%	3%
2200-2600	235	84%	6%	4%	3%
2600+	2	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10.cxd5	10.Bb2	10.Re1	10.a4
1900s	1	—	—	—	—
1910s	1	—	—	—	—
1920s	1	100%	—	—	—
1930s	8	38%	38%	—	12%
1940s	11	55%	18%	—	9%
1950s	56	82%	5%	—	4%
1960s	33	88%	—	3%	6%
1970s	14	71%	14%	7%	7%
1980s	15	80%	7%	7%	7%
1990s	49	63%	12%	—	8%
2000s	179	75%	4%	2%	4%
2010s	437	82%	4%	7%	2%
2020s	41	56%	22%	5%	12%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.cxd5	82%	56%	▼ -26.3%
10.Bb2	4%	22%	▲ +18.3%
10.Re1	7%	5%	▼ -1.8%
10.a4	2%	12%	▲ +10.6%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 4 parties
Euwe, Max — 2 parties
Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie

Parties historiques

10.cxd5 — 77.5% (656 parties)

1929 — Johner, Paul vs Matisons, Hermanis — 0-1 — Carlsbad CZE
1936 — Stahlberg, Gideon vs Saemisch, Friedrich — 1-0 — Dresden GER
1939 — Kuzminykh, Evgeny vs Ilyin Zhenevsky, Alexander — 1/2-1/2 — Leningrad RUS
1939 — Landau, Salo vs Euwe, Max — 1/2-1/2 — Amsterdam m ch-NED
1941 — Lilienthal, Andor vs Keres, Paul — 1/2-1/2 — Leningrad RUS

10.Bb2 — 5.9% (50 parties)

1932 — Rellstab, Ludwig vs Saemisch, Friedrich — 1/2-1/2 — Berlin GER
1935 — Nielsen, Julius vs Muller, Hans — 0-1 — Warsaw POL
1937 — Lilienthal, Georg vs Gauffin, Adrian — 1-0 — Stockholm SWE
1941 — De Araujo Pires, C vs Alekhine, Alexander — 1/2-1/2 — Lisbon Handicap
1947 — Blow, Ronald vs Broadbent, Reginald — 1/2-1/2 — Harrogate

10.Re1 — 4.5% (38 parties)

1964 — Griffiths, Peter C vs Levens, David G — 1/2-1/2 — ?
1971 — Oppedal, David vs Roach, R. — 1-0 — ?
1980 — Bills, William vs Warner Ted — 1/2-1/2 — Seattle, WA USA
2006 — Semcesen, Daniel vs Boros, Denes — 1/2-1/2 — Copenhagen DEN
2007 — Glinz, Adolfo Gustavo vs Magallanes, Fabricio Iván — 1/2-1/2 — ICCF

10.a4 — 3.8% (32 parties)

1938 — Alekhine, Alexander vs Keres, Paul — 1/2-1/2 — Nederland
1949 — Vlagsma, Chris vs Simonovic, Borko — 0-1 — Belgrade SRB
1953 — Niephaus, Walter vs Koch, Berthold — 1/2-1/2 — Leipzig GER
1955 — Steinmeyer, Robert vs Zalys, Ignas — 0-1 — Long Beach US Open
1966 — Freeman, Michael A vs Suwandhio, Eddy — 1/2-1/2 — Havana CUB

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