A78a — Benoni: Classical, Main Line, 10.Nd2 Na6

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes c4 et b5, un fou actif en e2, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Le fou enfermé en c8.

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

Plans. Bg5 (Clouer Nf6) ; Tour sur colonne c.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), les cases fortes b4, g4 et e5, un avant-poste en e5, la paire de fous et la colonne semi-ouverte e.

Côté adverse. Le fou enfermé en c1.

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

Plans. ...Bf5 (Développer Bc8) ; ...c4 (Rupture) ; Tour sur colonne e.

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● e4→d5	● d6→c5, f7→g6, h7→g6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c4 (2v0), ● b5 (2v0)	● b4 (2v0), ● g4 (2v1), ● e5 (2v0)
Cases faibles	● e4	● d5
Centre	● d5 (2v1)	● d4 (1v0), ● e5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Be2	● Be2 Actif (mob. 7)
Bg7		● Bg7 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 5)
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	fermé
Ruptures	● e4-e5, ● f2-f3	● …c5-c4

Partie
1954 URS-chTJ Coop – Round ? – Kholmov, Ratmir D – 0-1 – Sardarov, Edward – G17 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1955 HUN Ch 11th – Round ? – Portisch, Lajos – 1-0 – Dely, Peter – G4 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8 10. Nd2 Na6
1955 Hungary Ch – Round 1 – Portisch, Lajos – 1-0 – Dely, Peter – G15 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1955 USSR – Round 1 – Lilienthal, Andor – 1-0 – Scherbakov, Aleksandr – G8 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1956 Moscow – Round 1 – Chimenez – 1/2-1/2 – Thorbergsson, Freysteinn – G3 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1957 It – Round 1 – Golz, Werner – 0-1 – Malich, Burkhard, Dr. – G1 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Na6
1957 Moskou ch-URS – Round 1 – Gurgenidze, Bukhuti – 0-1 – Tal, Mikhail – G5 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1958 Toronto Ch – Round 9 – Anderson, Frank Ross – 1-0 – Draxl, Rudolph – G8 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Na6
1958 YUG Ch 13th – Round 1 – Vukcevich, Milan – 1/2-1/2 – Bogdanovic, Rajko – G3 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1959 Candidats Tournament – Round 23 – Gligorić, Svetozar – 0-1 – Tal, Mikhail – G87 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1959 Hastings5960 – Round 6 – Burger, Hein – 0-1 – Bobotsov, Milko G – G26 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 O-O 9. Nd2 Re8 10. O-O Na6
1959 Madrid – Round 5 – Toran Albero, Roman – 1/2-1/2 – Perez Perez, Francisco Jose – G23 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Bg7 8. e4 O-O 9. Be2 Re8 10. O-O Na6
1959 New York ch-USA – Round 11 – Bisguier, Arthur B – 1-0 – Sherwin, James T – G59 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1960 Budapest zt – Round 11 – Ahman Ernst – 1-0 – Popov, Luben – G60 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Na6
1960 Hoogovens – Round ? – Donner, Jan-Hein – 1/2-1/2 – Toran Albero, Roman – G26 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1960 Leipzig olm prel – Round 1 – Munoz Parraguez, Cesar – 0-1 – Perez Perez, Francisco Jose – G8 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1960 Leipzig olm prel – Round 2 – Garces, Napoleon – 0-1 – Rossolimo, Nicolas – G49 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1960 Madrid zt – Round 11 – Donner, Jan-Hein – 1-0 – Giustolisi, Alberto – G79 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1960 OWL Ch – Round 6 – Oestreich, Reinhard – 1/2-1/2 – Fuchs, Werner – G10 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Na6
1960 Sofia ch BUL – Round 7 – Dimitrov, Krastjo – 1-0 – Bobotsov, Milko G – G7 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Na6
1962 Mar del Plata Latin – Round 13 – Luckis, Marcos – 1-0 – Estrada Degrandi, Walter – G16 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Be2 e6 7. Nf3 exd5 8. cxd5 O-O 9. O-O Re8 10. Nd2 Na6
1962 Paris 6263 – Round ? – Scherbakoff, Georges – 0-1 – Thiellement, Andre – G10 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 e6 7. Nf3 exd5 8. cxd5 O-O 9. O-O Re8 10. Nd2 Na6
1962 Sarajevo – Round 8 – Rejfir, Josef – 0-1 – Portisch, Lajos – G44 1. c4 Nf6 2. d4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Na6
1962 URS-ch30 – Round ? – Zaitsev, Alexander – 1/2-1/2 – Suetin, Alexey S – G9 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. Nd2 Na6
1962 URS-ch30 sf – Round 4 – Bagirov, Vladimir – 1/2-1/2 – Khodos, German – G3 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6
1963 Asztalos Memorial – Round 11 – Lokvenc, Josef – 0-1 – Tal, Mikhail – G29 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Na6
1963 Clare Benedict Cup 10th – Round ? – Albareda, Miguel – 1/2-1/2 – Littlewood, John E – G3 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. e4 d6 7. Be2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Na6
1963 New York ch-USA – Round 4 – Steinmeyer, Robert – 0-1 – Evans, Larry – G19 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1963 UKR Ch – Round 4 – Kots, Yuri I – 1/2-1/2 – Platonov, Igor V – G23 1. c4 e6 2. d4 Nf6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Nd2 O-O 9. Be2 Re8 10. O-O Na6
1963 USSR ch-06 6364 – Round ? – Zaitsev, Alexander – 1-0 – Altshuler, Roman Zinovievich – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. Nd2 Na6
1963 YMCA – Round 6 – Panno, Oscar – 1-0 – Reinhardt, Enrique – G10 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1964 ARG Ch – Round 14 – Burgalat, Francisco J – 0-1 – Schweber, Samuel – G62 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6
1964 ARG Ch – Round 8 – Burgalat, Francisco J – 0-1 – Eliskases, Erich – G36 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6
1964 BRA Ch – Round 1 – Alves, Francisco H B Severino – 1-0 – Moennich, Marcos – G1 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Nd2 Re8 10. Be2 Na6
1964 Buenos Aires – Round 9 – Rubinetti, Jorge – 0-1 – Garcia Rodriguez, Raimundo – G80 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6
1964 Sarajevo 7th – Round 9 – Gufeld, Eduard – 1/2-1/2 – Gojak, Ilija – G12 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. Nf3 exd5 9. cxd5 Re8 10. Nd2 Na6
1964 Tel Aviv olm fin-A – Round 2 – Vranesic, Zvonko – 1-0 – Stein, Leon Rico – G28 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6
1964 Tel Aviv olm prel – Round 6 – Westerinen, Heikki M.J. – 1/2-1/2 – Tringov, Georgi P – G215 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6
1965 Bognor Regis-A – Round 1 – Parr, Frank – 1-0 – Denman, Brian – G7 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1965 Capablanca Memorial – Round 19 – Kholmov, Ratmir D – 1-0 – Perez Perez, Francisco Jose – G191 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1965 Hungary – Round 1 – Forintos, Gyozo V – 1-0 – Navarovszky, Laszlo – G57 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. cxd5 Re8 10. Nd2 Na6
1965 Sarajevo – Round 1 – Malich, Burkhard, Dr. – 1/2-1/2 – Tringov, Georgi P – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. cxd5 Re8 10. Nd2 Na6
1966 La Habana olm fin-A – Round 10 – Andersen, Baltser – 0-1 – Matulovic, Milan – G182 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6
1966 La Habana olm fin-A – Round 2 – Polugaevsky, Lev – 1/2-1/2 – Evans, Larry M – G24 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 e6 7. Nf3 exd5 8. cxd5 O-O 9. O-O Re8 10. Nd2 Na6
1966 La Habana olm fin-B – Round 2 – Boutteville, Cesar – 1/2-1/2 – Boey, Jin Huey – G30 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. Nd2 Na6
1966 Parcetic Memorial 2nd – Round 9 – Karaklajic, Nikola – 0-1 – Masic, Ljubomir – G38 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6
1966 Tbilisi – Round 1 – Balcerowski, Witold – 0-1 – Pietzsch, Wolfgang – G4 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1967 DEN Ch – Round 7 – Kolbak, Jens – 0-1 – Andersen, Borge – G25 1. d4 c5 2. d5 Nf6 3. c4 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Na6
1967 Harrachov – Round 1.2 – Segal, Alexandru Sorin – 1/2-1/2 – Verber Lugo, Ricardo – G121 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. cxd5 Re8 10. Nd2 Na6
1967 ROM Ch – Round 15 – Segal, Alexandru Sorin – 0-1 – Soos, Bela – G101 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. f4 O-O 9. Nf3 Re8 10. Nd2 Na6
1967 Skopje – Round 3 – Soos, Balint – 0-1 – Matulovic, Milan – G25 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6
1967 URS-ch35 – Round 1 – Siniavsky, Alexande – 0-1 – Kholmov, Ratmir D – G29 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Na6
1967 Venice – Round 1 – Zinser, Sylvain – 0-1 – Lopez Masis, Kenard Evans – G3 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Na6 10. Nd2 Nc7
1967 Venice Venice ITA – Round 12 – Zinser, Sylvain – 0-1 – Evans, Larry M – G36 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6
1968 Cardenas/Matanzas/Santa Clara – Round 3 – Jimenez Zerquera, Eleazar – 1-0 – Perez Perez, Francisco Jose – G17 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. Nd2 Na6
1968 Monte Carlo – Round 12 – Zinser, Sylvain – 0-1 – Gheorghiu, Florin – G73 1. c4 g6 2. Nc3 Bg7 3. d4 c5 4. d5 d6 5. e4 Nf6 6. Nf3 O-O 7. Be2 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6
1968 Varna – Round 1 – Padevsky, Nikola – 1-0 – Peev, Peicho – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. Nd2 Na6
1969 Reggio Emilia 6970 12th – Round ? – Kozma, Julius – 1/2-1/2 – Klein, Manfred – G4 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. Nf3 Nf6 6. e4 O-O 7. Be2 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6
1969 WchT U26 qual-A – Round 3.1 – Segal, Alexandru Sorin – 1-0 – Kazilaris, Nikolaos – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. cxd5 Re8 10. Nd2 Na6
1969 Yugoslavia – Round 1 – Karaklajic, Nikola – 0-1 – Boskovic, Malina – G9 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Na6
41. Olympiad Open 2014 – Round 8.21 – Kostenko, Petr – 1/2-1/2 – Mchedlishvili, Mikheil – G564 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 c5 6. d5 e6 7. Nc3 exd5 8. cxd5 d6 9. O-O Re8 10. Nd2 Na6
GCT Blitz Paris 2017 – Round 10.5 – Nakamura, Hikaru – 0-1 – Vachier-Lagrave, Maxime – G50 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 c5 6. d5 e6 7. O-O d6 8. Nc3 exd5 9. cxd5 Na6 10. Nd2 Re8
GCT Rapid Paris 2018 – Round 4.3 – Grischuk, Alexander – 1-0 – Vachier-Lagrave, Maxime – G18 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 c5 6. d5 e6 7. Nc3 exd5 8. cxd5 d6 9. Nd2 Re8 10. O-O Na6
GCT Rapid YourNextMove 2018 – Round 2.4 – Caruana, Fabiano – 1/2-1/2 – Vachier-Lagrave, Maxime – G9 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 c5 6. d5 d6 7. Nc3 e6 8. O-O exd5 9. cxd5 Na6 10. Nd2 Re8

A78a — Classical Main Line

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6

Eval: [+0.58]

Les coups candidats

11.f3 — 64.5% (1094 parties) →

Ambassadeurs : Donner, Jan-Hein (10x), Matulovic, Milan (9x), Janosevic, Dragoljub (9x), ? (9x), Gligoric, Svetozar (7x), Vranesic, Zvonko (7x), Balcerowski, Witold (6x), Filipowicz, Andrzej (6x)

11.Re1 — 14.2% (241 parties) →

Ambassadeurs : Burmakin, Vladimir (4x), Perez Perez, Francisco Jose (3x), Lilienthal, Andor (3x), Hertneck, Gerald (3x), Simacek, Pavel (3x), Tal, Mikhail (2x), Toran Albero, Roman (2x), Donner, Jan-Hein (2x)

11.f4 — 7.0% (119 parties) →

Ambassadeurs : Evans, Larry (3x), Schuermans, Robert (3x), Portisch, Lajos (2x), Matulovic, Milan (2x), Malich, Burkhard, Dr. (2x), Tringov, Georgi P (2x), Bobotsov, Milko G (2x), Karaklajic, Nikola (2x)

11.Kh1 — 5.4% (91 parties) →

Ambassadeurs : Polugaevsky, Lev (3x), Tisdall, Jonathan D (3x), Enklaar, Bert (2x), Portisch, Lajos (2x), Agzamov, Georgy (2x), Szieberth, Adam (2x), Martin Gonzalez, Angel (2x), Debashis, Das (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11.f3	11.Re1	11.f4	11.Kh1
<1800	12	58%	8%	8%	8%
1800-2200	344	62%	13%	9%	3%
2200-2600	774	63%	17%	4%	7%
2600+	27	56%	15%	4%	26%

Évolution par décennie (% des parties)

Décennie	N parties	11.f3	11.Re1	11.f4	11.Kh1
1950s	26	15%	42%	23%	—
1960s	145	64%	10%	16%	1%
1970s	222	77%	4%	3%	10%
1980s	273	74%	7%	5%	8%
1990s	232	64%	13%	9%	5%
2000s	367	64%	16%	7%	3%
2010s	319	55%	22%	6%	6%
2020s	113	59%	24%	4%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11.f3	55%	59%	▲ +4.1%
11.Re1	22%	24%	▲ +2.0%
11.f4	6%	4%	▼ -2.4%
11.Kh1	6%	3%	▼ -3.6%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 8 parties
Kramnik, Vladimir — 2 parties
Carlsen, Magnus — 1 partie

Parties historiques

11.f3 — 64.5% (1094 parties)

1955 — Birbrager, Isaak vs Tal, Mikhail — 1/2-1/2 — Voroshilovgrad
1959 — Niphauz vs Bialas, Adrian — 0-1 — BRD ch
1959 — Furman, Slavomir vs Tal, Mikhail — 1/2-1/2 — Tbilisi ch-URS
1959 — Niephaus, Walter vs Bialas, Wolfram — 0-1 — FRG-ch Nuerenberg GER
1960 — Krjukov, Aleksey vs Koblencs, Alexander — 1-0 — corr ch-SU

11.Re1 — 14.2% (241 parties)

1955 — Lilienthal, Andor vs Scherbakov, Aleksandr — 1-0 — USSR
1955 — Lilienthal, Andor vs Sherbakov, Vitaly — 1-0 — Moscow RUS
1957 — Gurgenidze, Bukhuti vs Tal, Mikhail — 0-1 — Moskou ch-URS
1958 — Gurgenidze, Aleksandra vs Al Tal, Ammar — 0-1 — USSR
1958 — Anderson, Frank Ross vs Draxl, Rudolph — 1-0 — Toronto CAN

11.f4 — 7.0% (119 parties)

1955 — Portisch, Lajos vs Dely, Peter — 1-0 — Hungary ch
1956 — Chimenez vs Thorbergsson, Freysteinn — 1/2-1/2 — Moscow RUS
1957 — Golz, Werner vs Malich, Burkhard, Dr. — 0-1 — Gotha GER
1958 — Vukcevich, Milan vs Bogdanovic, Rajko — 1/2-1/2 — Sarajevo BIH
1959 — Burger, Hein vs Bobotsov, Milko G — 0-1 — Hastings ENG

11.Kh1 — 5.4% (91 parties)

1967 — Ufimtsev, Anatoly vs Tal, Michael — 0-1 — Moscow RUS
1970 — Beliavsky, Alexander G vs Holt Busk, Isabella — 1-0 — Groningen ch-EU jr
1970 — Gligorić, Svetozar vs Matulovic, Milan — 1-0 — Palma de Majorca ESP
1971 — Tatai, Igor vs Primavera, Roberto — 1-0 — Rome ITA
1971 — Diaconescu, Paul vs Clement, Paul — 1-0 — Coppa Latina1

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