D41s — QGD: Semi-Tarrasch, 6.e3 Nc6 7.Bc4

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bc4 cxd4 8.exd4 Be7 9.O-O O-O * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5….

Atouts. Les Blancs s'appuient sur les cases fortes b5, e5 et g5, un fou actif en c4, la paire de fous et la colonne semi-ouverte e.

Côté adverse. Le fou enfermé en c8.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1) et le pion isolé d4.

Plans. Be3 (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 la case forte b4, un avant-poste en d5, un fou actif en e7, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Le pion isolé d4 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)) ; ...Na5 (Attaquer Bc4) ; ...e5 (Rupture) ; ...f6 (Rupture) ; ...f5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	● d4	—
Arriérés	—	—
Chaînes	—	● f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● e5 (2v1), ● g5 (2v1)	● b4 (3v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● e4 (1v0), ● e5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● c	● c
Semi-ouvertes	● e	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc4	● Bc4 Actif (mob. 6)
Be7		● Be7 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
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	—	● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1941 Prague m – Round 8 – Opocensky, Karel – 1-0 – Foltys, Jan – G7 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 Nf6
1943 Sverdlovsk – Round 14 – Botvinnik, Mikhail – 1/2-1/2 – Makogonov, Vladimir – G53 1. e4 c6 2. c4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bc4 Nc6 9. O-O O-O 10. Re1 a6
1944 Moskou ch-URS – Round 1 – Botvinnik, Mikhail – 1-0 – Ravinsky, Grigory – G105 1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Be7 7. Bc4 Nc6 8. O-O cxd4 9. exd4 O-O 10. Be3 a6
1949 Trencianske-Teplice – Round 2 – Szily, Jozsef – 1-0 – Rohacek, Ivan – G26 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 Bf6
1952 Saltsjobaden Interzonal – Round 4 – Gligorić, Svetozar – 1/2-1/2 – Szabo, Laszlo – G34 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Bxd5 exd5
1954 Prague zt – Round 12 – Stahlberg, Gideon – 1-0 – Sliwa, Bogdan – G63 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 Bf6
1956 Alekhine Memorial – Round 1 – Uhlmann, Wolfgang – 1/2-1/2 – Szabo, Ladislav – G28 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Qe2 Nb6
1956 Hastings5657 – Round 3 – Olafsson, Fridrik – 1/2-1/2 – Clarke, Peter H – G11 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 Bf6
1957 Przepiorka Memorial – Round 1 – Gromek, Jozef – 0-1 – Orbaan, Constant – G1 1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 Nf6
1957 Sofia zt Sofia BUL – Round 1 – Neikirkh, Oleg – 1-0 – Sliwa, Bogdan – G8 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 b6
1958 Munich olm prel – Round 5 – Bobotsov, Milko G – 1-0 – Prameshuber, Alexander – G36 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 c5 5. d4 Nc6 6. cxd5 Nxd5 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Qe2 Qa5
1959 BUL Ch Sofia BUL – Round 14 – Bobotsov, Milko G – 1/2-1/2 – Kostov, Petko – G43 1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. e3 c5 5. d4 Nc6 6. cxd5 Nxd5 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Bxd5 exd5
1959 HUN Ch Budapest HUN – Round 16 – Kluger, Gyula – 1/2-1/2 – Pogats, Jozsef Jr. – G64 1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Bxd5 exd5
1959 Krakow – Round 1 – Kozma, Julius – 1-0 – Orbaan, Constant – G2 1. d4 e6 2. Nf3 d5 3. c4 Nf6 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 Nf6
1959 New York ch-USA – Round 11 – Reshevsky, Samuel – 1/2-1/2 – Fischer, Raphael – G61 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3 c5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 a6
1960 CSR Ch – Round 4 – Opocensky, Karel – 1-0 – Kozma, Julius – G29 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Qe2 Nxc3
1960 Leningrad tt – Round 13 – Tan Hoang Liong – 1-0 – Zinn, Lothar – G181 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bc4 Nc6 9. O-O O-O 10. Re1 b6
1960 Madrid zt – Round 7 – Pachman, Ludek – 1-0 – Giustolisi, Alberto – G49 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 Be7 8. O-O cxd4 9. exd4 O-O 10. Re1 b6
1960 Nimzowitsch Memorial – Round ? – Ståhlberg, Gideon – 1-0 – Orbaan, Constant – G25 1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Bb3 Nxc3
1961 Bled – Round 1 – Pachman, Ludek – 1/2-1/2 – Bisguier, Arthur B – G6 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 a6
1961 CAN Ch – Round 2 – Kalotay, Andrew – 1-0 – Macskasy, Elod – G5 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bc4 O-O 9. O-O Nc6 10. Bxd5 exd5
1962 CSR Ch – Round 8 – Marsalek, Josef – 1/2-1/2 – Trmal, Jaroslav – G67 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bc4 O-O 9. O-O Nc6 10. a3 Nxc3
1962 Erevan ch-URS – Round 1 – Spassky, B. – 0-1 – Kortchnoi, V. – G47 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 a6
1962 Moscow – Round 1 – Lilienthal, Andor – 1/2-1/2 – Dely, Peter – G12 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. a3 Nxc3
1962 URS-ch30 – Round 13 – Spassky, Boris Vasily – 0-1 – Korchnoi, Viktor – G2 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 a6
1963 Capablanca Memorial – Round 11 – Cobo Arteaga, Eldis – 1/2-1/2 – O'Kelly, Albéric de Galway – G99 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Be7 7. Bc4 O-O 8. O-O cxd4 9. exd4 Nc6 10. Bd3 Bf6
1963 Capablanca Memorial – Round 12 – Robatsch, Karl – 1/2-1/2 – Trifunovic, Petar – G107 1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Bxd5 exd5
1963 Capablanca Memorial – Round 2 – Perez Perez, Francisco Jose – 1/2-1/2 – Pachman, Ludek – G16 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. a3 Nxc3
1963 Memorial J.Capablanca – Round 13 – Darga, Klaus – 1/2-1/2 – O'Kelly, Albéric de Galway – G6 1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Be7 7. Bc4 cxd4 8. exd4 Nc6 9. O-O O-O 10. Bxd5 exd5
1964 Kiev ch-URS – Round 1 – Osnos, Viatcheslav – 1/2-1/2 – Krogius, Nikolai V – G45 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. cxd5 Nxd5 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. a3 a6
1965 Budapest HUN – Round 15 – Osnos, Viatcheslav – 1/2-1/2 – Krogius, Nikolai V – G37 1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 a6
1965 Zagreb – Round 12 – Antoshin, Vladimir S – 1-0 – Bisguier, Arthur B – G121 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3 c5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. a3 Nxc3
1966 Rio Hondo zt – Round 2 – Schweber, Samuel – 0-1 – Emma, Jaime – G11 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. a3 Nxc3
1966 Tbilisi ch-URS – Round 1 – Stein, Leon Rico – 1-0 – Krogius, Nikolai V – G1 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 Nxd5 5. Nf3 c5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 a6
1966 URS Team Ch – Round 1 – Tal, Mikhail – 1/2-1/2 – Petrosian, Tigran A. – G55 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bc4 Nc6 9. O-O O-O 10. Re1 Bf6
1967 URS Team Ch – Round 1 – Petrosian, Tigran A. – 1/2-1/2 – Liberzon, Vladimir M – G2 1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. e3 e6 5. d4 d5 6. cxd5 Nxd5 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 a6
1968 CSR Team Ch Harrachov – Round 7 – Herink, Miroslav – 1/2-1/2 – Jansa, Vlastimil – G25 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Qe2 Nxc3
1968 Glasgow Invitation 7th – Round 3 – Littleton, Michael F – 0-1 – Golombek, Harry – G5 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bc4 O-O 9. O-O Nc6 10. a3 Bf6
1969 Budapest – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Portisch, Lajos – G2 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 a6
1969 ISL Ch Reykjavik ISL – Round 2 – Sigurjonsson, Gudmundur – 1-0 – Thorbergsson, Freysteinn – G2 1. e4 d5 2. exd5 Nf6 3. c4 c6 4. Nc3 cxd5 5. cxd5 Nxd5 6. Bc4 e6 7. Nf3 Be7 8. O-O O-O 9. d4 Nc6 10. Re1 b6
1969 Liberation – Round 8 – Polugaevsky, Lev – 1/2-1/2 – Lengyel, Agnes – G36 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. a3 a6
1969 Raach zt – Round 5 – Uhlmann, Wolfgang – 1/2-1/2 – Portisch, Lajos – G52 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 a6
1969 Skopje Skopje MKD – Round ? – Uhlmann, Wolfgang – 0-1 – Sofrevski, Jovan – G4 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. a3 a6
1970 IBM – Round 11 – Hamann, Slawomir – 1-0 – Timman, Jan H – G56 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Nc3 Nc6 6. cxd5 Nxd5 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. a3 Nxc3
1972 Skopje ol (Men) fin-A – Round 14 – Petrosian, Tigran V. – 1/2-1/2 – Garcia Rodriguez, Raimundo – G25 1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 e6 6. d4 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 a6
1972 Skopje ol (Men) fin-A – Round 9 – Malich, Burkhard, Dr. – 1-0 – Ornstein, Axel – G28 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. cxd5 Nxd5 7. Bc4 Be7 8. O-O cxd4 9. exd4 O-O 10. Re1 Ncb4
2. Norway Chess 2014 – Round 6.1 – Aronian, Levon – 1/2-1/2 – Giri, Anish – G20 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 e6 6. d4 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 Bf6
Amber-rapid 7th 1998 – Round 3 – Van Wely, Loek – 1-0 – Piket, Jeroen – G10 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. cxd5 Nxd5 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 Bf6
PCA Qualifiers 1993 – Round 2 – Korchnoi, Viktor – 1/2-1/2 – Oll, Lembit – G19 1. c4 c6 2. e4 d5 3. exd5 Nf6 4. Nc3 cxd5 5. cxd5 Nxd5 6. Nf3 e6 7. Bc4 Nc6 8. O-O Be7 9. d4 O-O 10. Re1 Bf6
PCA Qualifiers 1993 – Round 3 – Serper, Grigory – 1/2-1/2 – Kaidanov, Gregory – G38 1. c4 c6 2. e4 d5 3. exd5 Nf6 4. Nc3 cxd5 5. cxd5 Nxd5 6. Nf3 e6 7. Bc4 Be7 8. O-O Nc6 9. d4 O-O 10. Re1 Bf6
Skopje ol (Men) fin-A 1972 – Round 14 – Petrosian, Tigran V – 1/2-1/2 – Garcia Rodriguez, Raimundo – G45 1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 e6 6. d4 Nc6 7. Bc4 cxd4 8. exd4 Be7 9. O-O O-O 10. Re1 a6
World Blitz 2015 – Round 8.28 – Zvjaginsev, Vadim – 1/2-1/2 – Ponomariov, Ruslan – G483 1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 e6 7. Bc4 Nc6 8. O-O Be7 9. d4 O-O 10. Re1 a6
World Rapid 2016 – Round 13.16 – Tomashevsky, Evgeny – 1/2-1/2 – Howell, David W L – G484 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e3 e6 6. Bc4 Be7 7. O-O O-O 8. d4 cxd4 9. exd4 Nc6 10. Re1 Bf6

D41s — Semi-Tarrasch

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bc4 cxd4 8.exd4 Be7 9.O-O O-O

Les coups candidats

10.Re1 — 77.6% (813 parties)

Ambassadeurs : Pachman, Ludek (13x), Farago, Ivan (11x), Korneev, Oleg (11x), Tal, Mikhail (7x), Meduna, Eduard (6x), Palo, Davor (5x), Botvinnik, Mikhail (4x), Portisch, Lajos (4x)

10.a3 — 10.6% (111 parties)

Ambassadeurs : Uhlmann, Wolfgang (3x), Timman, Jan H (3x), Finster, Michael (2x), Polugaevsky, Lev (1x), Lengyel, Agnes (1x), Schweber, Samuel (1x), Emma, Jaime (1x), Antoshin, Vladimir S (1x)

10.Bxd5 — 2.5% (26 parties)

Ambassadeurs : Bobotsov, Milko G (1x), Kostov, Petko (1x), Kluger, Gyula (1x), Pogats, Jozsef Jr. (1x), Robatsch, Karl (1x), Trifunovic, Petar (1x), Gligorić, Svetozar (1x), Szabo, Laszlo (1x)

10.Qe2 — 2.5% (26 parties)

Ambassadeurs : Bobotsov, Milko G (1x), Prameshuber, Alexander (1x), Uhlmann, Wolfgang (1x), Szabo, Ladislav (1x), Opocensky, Karel (1x), Kozma, Julius (1x), Suteu, Mircea (1x), Neamtu, Serban-Constantin (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Re1	10.a3	10.Bxd5	10.Qe2
<1800	13	77%	—	8%	8%
1800-2200	221	67%	14%	2%	2%
2200-2600	543	84%	9%	2%	2%
2600+	30	97%	—	—	3%

Évolution par décennie (% des parties)

Décennie	N parties	10.Re1	10.a3	10.Bxd5	10.Qe2
1930s	1	100%	—	—	—
1940s	8	88%	—	—	—
1950s	22	77%	—	14%	9%
1960s	64	69%	16%	5%	6%
1970s	65	80%	12%	5%	—
1980s	86	86%	8%	1%	2%
1990s	168	76%	11%	2%	4%
2000s	323	80%	9%	3%	—
2010s	250	73%	14%	2%	4%
2020s	61	77%	5%	—	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Re1	73%	77%	▲ +3.8%
10.a3	14%	5%	▼ -9.5%
10.Bxd5	2%	0%	▼ -1.6%
10.Qe2	4%	5%	▲ +1.3%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 8 parties
Botvinnik, Mikhail — 5 parties
Anand, Viswanathan — 4 parties
Alekhine, Alexander — 1 partie
Kasparov, Garry — 1 partie
Karpov, Anatoly — 1 partie
Karpov, Aleksandr — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

10.Re1 — 77.6% (813 parties)

1938 — Botvinnik, Mikhail vs Alekhine, Alexander — 1-0 — Netherlands AVRO
1941 — Opocensky, Karel vs Foltys, Jan — 1-0 — Prague CZE
1943 — Botvinnik, Mikhail vs Makogonov, Vladimir — 1/2-1/2 — Sverdlovsk
1943 — Botvinnik, Mikhail vs Makogonov, Vladimir — 1/2-1/2 — URS
1946 — Liublinsky, Victor vs Kamyshov, Mikhail — 1-0 — Moscow RUS

10.a3 — 10.6% (111 parties)

1962 — Lilienthal, Andor vs Dely, Peter — 1/2-1/2 — Moscow RUS
1962 — Marsalek, Josef vs Trmal, Jaroslav — 1/2-1/2 — Jablonec
1963 — Perez Perez, Francisco Jose vs Pachman, Ludek — 1/2-1/2 — Havana CUB
1964 — Osnos, Viatcheslav vs Krogius, Nikolai V — 1/2-1/2 — Kiev ch-URS
1965 — Antoshin, Vladimir S vs Bisguier, Arthur B — 1-0 — Zagreb CRO

10.Bxd5 — 2.5% (26 parties)

1952 — Gligorić, Svetozar vs Szabo, Laszlo — 1/2-1/2 — Saltsjobaden SWE
1959 — Bobotsov, Milko G vs Kostov, Petko — 1/2-1/2 — BUL-ch Sofia BUL
1959 — Kluger, Gyula vs Pogats, Jozsef Jr. — 1/2-1/2 — HUN-ch Budapest HUN
1961 — Kalotay, Andrew vs Macskasy, Elod — 1-0 — Brockville
1963 — Robatsch, Karl vs Trifunovic, Petar — 1/2-1/2 — Havana CUB

10.Qe2 — 2.5% (26 parties)

1956 — Uhlmann, Wolfgang vs Szabo, Ladislav — 1/2-1/2 — Moscow RUS
1958 — Bobotsov, Milko G vs Prameshuber, Alexander — 1-0 — Munich olm prel
1960 — Opocensky, Karel vs Kozma, Julius — 1-0 — Ostrava CZE
1960 — Drimer, Dolfi vs Radulescu, Mihai — 1/2-1/2 — Bucharest ROU
1963 — Suteu, Mircea vs Neamtu, Serban-Constantin — 1-0 — Bucharest ROU

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