A63a — Benoni: Fianchetto, 9…Nbd7

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O Nbd7 * ○ 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 f4….

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes f4 et g5, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Les fous enfermés en g7 et c8.

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

Plans. Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte e5.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), la case forte e5, la paire de fous et la colonne semi-ouverte e.

Côté adverse. Les fous enfermés en c1 et g2.

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

Plans. ...c4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● d6→c5, f7→g6, h7→g6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● g5 (2v0)	● e5 (2v1)
Cases faibles	—	● d5
Centre	● d4 (2v1), ● d5 (2v1)	● e5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
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	● e2-e3	● …c5-c4

Partie
1927 New York – Round 11 – Capablanca, Jose – 1/2-1/2 – Marshall Viele, Fabrizio Aaron – G50 1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. c4 d6 5. Nc3 exd5 6. cxd5 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Re8 10. Nd2 Nbd7
1940 URS-sf – Round 1 – Zhukhovitsky, Samuel – 1-0 – Alatortsev, Vladimir N. – G12 1. d4 e6 2. Nf3 Nf6 3. c4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 a6 7. a4 g6 8. g3 Bg7 9. Bg2 O-O 10. O-O Nbd7
1953 Candidats Tournament – Round 4 – Gligorić, Svetozar – 1/2-1/2 – Petrosian, Tigran V – G19 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Nbd7 8. g3 Bg7 9. Bg2 O-O 10. O-O Qe7
1954 Amsterdam olm – Round 1 – Donner, Jan-Hein – 0-1 – Filip, Miroslav – G5 1. c4 Nf6 2. d4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nf3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7
1954 Hastings5455 – Round 7 – Donner, Jan-Hein – 0-1 – Keres, Paul – G28 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. Nd2 a6
1954 Hastings5455 – Round 9 – Donner, Jan-Hein – 0-1 – Pachman, Ludek – G34 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. Nd2 Re8
1954 Kiev ch-URS – Round 1 – Lilienthal, Andor – 1-0 – Suetin, Alexey S – G45 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Nbd7 8. g3 Bg7 9. Bg2 O-O 10. O-O Qe7
1954 Leningrad master – Round ? – Antoshin, Vladimir S – 0-1 – Veltmander, Iogannes – G7 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. Bf4 Qe7
1954 Olympiad final A – Round 10 – Smyslov, Vladimir – 1/2-1/2 – Pachman, Ludek – G101 1. c4 Nf6 2. d4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7
1955 Argentina – Round 9 – Eliskases, Erich – 0-1 – Wexler, Bernardo – G63 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Nd2 Nbd7 9. Bg2 O-O 10. O-O a6
1955 Gothenburg Interzonal – Round 21 – Donner, Jan-Hein – 0-1 – Petrosian, Tigran V – G198 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Nbd7 8. g3 Bg7 9. Bg2 O-O 10. O-O Qe7
1955 Gothenburg Interzonal – Round 21 – Sliwa, Bogdan – 1/2-1/2 – Spassky, Boris Vasily – G197 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Nbd7 10. a4 Ne8
1955 Hoechst ch-GER – Round 1 – Stachowitz, Rolf – 1-0 – Wolk, Sigmund – G18 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. Nd2 Ne8
1955 Hoogovens – Round 7 – Donner, H. – 1/2-1/2 – Milic, Bozidar – G33 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Nbd7
1955 Long Beach US-open – Round 1 – Rossolimo, Nicolas – 1-0 – Fries, Thomas – G1 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. Bf4 Qe7
1955 Long Beach US-open – Round 5 – Turner, Abe J – 0-1 – Saidy, Anthony – G5 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7
1955 Mar del Plata – Round 1 – Wexler, Bernardo – 0-1 – Pachman, Ludek – G1 1. c4 Nf6 2. d4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7
1956 Mar del Plata – Round 16 – Toth, Vaclav – 1/2-1/2 – Redolfi, Argentino Rodolfo – G82 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. h3 Qe7
1956 Mar del Plata – Round 2 – Olivera, Alfredo – 1/2-1/2 – Maderna, Carlos – G17 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7
1956 Marianske Lazne/Praha – Round 5 – Ståhlberg, Gideon – 1-0 – Jezek, Jaroslav – G31 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 O-O 9. Nd2 Nbd7 10. O-O a6
1956 Moscow olm prel – Round 7 – Fairhurst, William – 0-1 – Czerniak, Magdalena – G216 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Nbd7
1956 New York Rosenwald5556 – Round 1 – Horowitz, Albert Israel – 0-1 – Reshevsky, Samuel – G11 1. d4 Nf6 2. c4 c5 3. d5 e6 4. g3 exd5 5. cxd5 d6 6. Bg2 g6 7. Nf3 Bg7 8. O-O O-O 9. Nc3 a6 10. a4 Nbd7
1956 Olympiad Moscow RUS – Round 11 – Teschner, Rudolf – 1/2-1/2 – Jezek, Jaroslav – G35 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7
1957 CSR Ch – Round 18 – Olexa, Vilem – 0-1 – Kozma, Julius – G75 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nf3 Bg7 8. Bg2 O-O 9. O-O Nbd7 10. Bf4 Ne8
1957 Mar del Plata – Round 11 – Rubio Aguado, Fernando – 0-1 – Lombardy, William J – G99 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Nbd7 10. Nd2 Ne8
1957 WchT U26 04th – Round 6.2 – Palmason, Gudmundur – 1/2-1/2 – Haggqvist, Bjorn Karl – G73 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Nbd7 8. g3 Bg7 9. Bg2 O-O 10. O-O a6
1958 Mar del Plata – Round 5 – Olivera, Alfredo – 0-1 – Letelier Martner, Rene – G37 1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 a6 9. a4 O-O 10. O-O Nbd7
1958 Munich olm prel – Round 3 – Hoerberg – 0-1 – Kozma, Julius – G21 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Bg2 g6 7. Nf3 Bg7 8. O-O O-O 9. Nc3 Re8 10. Nd2 Nbd7
1958 UKR Ch – Round 11 – Gorenstein, Rafail Yakovlevich – 1/2-1/2 – Platonov, Igor V – G50 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Nbd7 10. Nd2 Ne8
1958 URS Ch sf – Round ? – Peterson, Andrejs – 1-0 – Byvshev, Vasily – G27 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. h3 a6
1958 Yugoslavia – Round 3 – Milic, Borislav – 0-1 – Polugaevsky, Lev – G10 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 g6 6. Nf3 Bg7 7. g3 d6 8. Bg2 O-O 9. O-O Re8 10. Nd2 Nbd7
1959 Buenos Aires VC – Round 6 – Kamenicki, S. – 0-1 – Garcia Rodriguez, Raimundo – G26 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nf3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nc3 O-O 9. O-O a6 10. a4 Nbd7
1959 New York ch-USA – Round 1 – Bernstein, Sidney – 0-1 – Reshevsky, Samuel – G1 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7
1959 URS Team Ch – Round ? – Barenboim, Grigory – 0-1 – Keres, Paul – G108 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c5 5. d5 e6 6. Nc3 exd5 7. cxd5 d6 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7
1960 CSR Ch – Round 4 – Olexa, Vilem – 1-0 – Vesely, Jiri – G30 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Bg2 g6 7. Nf3 Bg7 8. O-O O-O 9. Nc3 a6 10. a4 Nbd7
1960 GBR Ch 47th – Round 4.5 – Abrahams, Gerald – 1/2-1/2 – Hindle, Owen Mark – G35 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Bg2 g6 7. Nf3 Bg7 8. O-O O-O 9. Nc3 a6 10. a4 Nbd7
1960 Leipzig olm fin-A – Round 2 – Bouwmeester, Hans – 1-0 – Kozma, Julius – G27 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Nbd7
1960 Mar del Plata – Round 9 – Marini, Luis – 1/2-1/2 – Incutto, Carlos – G75 1. c4 e6 2. Nc3 Nf6 3. d4 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. Nd2 a6 10. a4 Nbd7
1961 Belgrade-Sofia m – Round 1 – Minev, Nikolay N – 0-1 – Matulovic, Milan – G2 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7
1961 CSR Ch – Round 15 – Altschul, Milos – 0-1 – Acosta Fabian, Janna Paloma – G139 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7
1961 Hoogovens – Round 1 – Uhlmann, Wolfgang – 0-1 – Larsen, Benjamin Holsko – G13 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Bg2 g6 7. Nf3 Bg7 8. Nc3 O-O 9. Nd2 Nbd7 10. O-O Re8
1961 Rostov – Round 1 – Drozd, Ryszard – 0-1 – Hodos, German – G2 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. g3 d6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7
1961 Rostov on Don – Round 1 – Drozd, Ryszard – 0-1 – Khodos, German – G2 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. g3 d6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7
1962 Argentina – Round 1 – Scanavino, Eduardo – 1/2-1/2 – Incutto, Carlos – G6 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nc3 O-O 9. O-O Nbd7 10. Nd2 a6
1962 Capablanca Memorial – Round 13 – Perez Castillo, Francisco Julian – 1-0 – Haro Garcia, Gilberto – G127 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7
1962 Hastings6263 – Round 2 – Marovic, Drazen – 1/2-1/2 – Littlewood, John E – G9 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. Nf3 Bg7 7. g3 O-O 8. Bg2 d6 9. O-O a6 10. a4 Nbd7
1963 Club Argentino – Round 6 – Sanguinetti, Raul – 1/2-1/2 – Scanavino, Eduardo – G27 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 c5 6. d5 d6 7. Nf3 e6 8. O-O exd5 9. cxd5 a6 10. a4 Nbd7
1963 Enschede zt – Round 13 – Mazzoni, Guido – 0-1 – Filip, Marius Liviu – G63 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7
1963 Sweden – Round 10 – Lundin, Erik – 1-0 – Bergman Olsson, Eleonora – G17 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. O-O c5 7. d5 a6 8. Nc3 e6 9. a4 exd5 10. cxd5 Nbd7
1963 YUG Ch 19th – Round 11 – Jovanic R – 1-0 – Velimirovic, Dragoljub – G36 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. Nf3 O-O 6. g3 d6 7. Bg2 e6 8. O-O exd5 9. cxd5 a6 10. a4 Nbd7
1963 Zenica ch YUG – Round 11 – Marovic, Drazen – 1-0 – Bertok, Mario Jr. – G58 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c5 7. d5 a6 8. a4 e6 9. O-O exd5 10. cxd5 Nbd7
1963 Zenica ch YUG – Round 15 – Marovic, Drazen – 1/2-1/2 – Udovcic, Mijo – G81 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 c5 7. d5 a6 8. a4 e6 9. O-O exd5 10. cxd5 Nbd7
1963 Zenica ch YUG – Round 16 – Udovcic, Mijo – 1/2-1/2 – Velimirovic, Dragoljub – G88 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 d6 7. Nf3 e6 8. O-O exd5 9. cxd5 a6 10. a4 Nbd7
1964 ARG Ch – Round 4 – Behrensen, Jorge – 1/2-1/2 – Najdorf, Miguel – G13 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7
1964 BRA Ch – Round 11 – Mello, Jose Benicio – 0-1 – Alves, Francisco H B Severino – G38 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7
1964 Budapest ch-HUN – Round 1 – Kapu, Jeno – 0-1 – Hajtun, Jozsef – G45 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7
1964 Tel Aviv olm prel – Round 5 – Bjornsson, Tomas Sr – 1-0 – Garcia Rodriguez, Raimundo – G171 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. g3 Bg7 6. Bg2 O-O 7. Nf3 e6 8. O-O exd5 9. cxd5 Nbd7 10. Qc2 a6
1965 Belgrade – Round 7 – Flesch, János – 1-0 – Velimirovic, Dragoljub – G42 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 d6 7. Nf3 e6 8. O-O exd5 9. cxd5 Nbd7 10. Bf4 Ne8
1965 Buenos Aires ch-ARG – Round 18 – Bielicki, Carlos – 1/2-1/2 – Acosta Garcia, Rafael Isaac – G112 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 d6 7. Nf3 e6 8. O-O exd5 9. cxd5 Nbd7 10. Nd2 Ne8
1965 Hoogovens – Round 8 – Portisch, Lajos – 1/2-1/2 – Ivkov, Borislav – G63 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c5 7. d5 e6 8. O-O exd5 9. cxd5 Nbd7 10. Nd2 Ne8
1967 Yugoslavia – Round 1 – Marovic, Drazen – 1-0 – Cebalo, Miso – G4 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. Nf3 Bg7 7. g3 O-O 8. Bg2 d6 9. O-O a6 10. a4 Nbd7
1968 Buenos Aires – Round 4 – Najdorf, Miguel – 1-0 – Garcia Rodriguez, Raimundo – G33 1. d4 Nf6 2. c4 g6 3. g3 c5 4. d5 Bg7 5. Nc3 O-O 6. Bg2 d6 7. Nf3 e6 8. O-O exd5 9. cxd5 Nbd7 10. Nd2 Ne8
1968 JUG-23ch – Round 12 – Vukic, Aleksandar – 1/2-1/2 – Janosevic, Dragoljub – G8 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. Nf3 Bg7 6. g3 O-O 7. Bg2 e6 8. O-O exd5 9. cxd5 a6 10. a4 Nbd7
1969 YUG Ch 24th – Round 1 – Vukic, Milan – 0-1 – Nicevski, Risto – G2 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7
1970 Vinkovci – Round 1 – Quinteros, Miguel Angel – 0-1 – Velimirovic, Dragoljub – G126 1. Nf3 Nf6 2. c4 g6 3. d4 c5 4. d5 Bg7 5. Nc3 O-O 6. g3 d6 7. Bg2 e6 8. O-O exd5 9. cxd5 Nbd7 10. Nd2 a6
1971 Hoogovens – Round 3 – Lengyel, Laszlo – 1/2-1/2 – Korchnoi, Viktor – G84 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7
3. ACP World Rapid Cup 2009 – Round 1.1 – Moiseenko, Alexander – 1-0 – Bacrot, Etienne – G3 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 d6 5. g3 exd5 6. cxd5 g6 7. Bg2 Bg7 8. Nc3 O-O 9. O-O Nbd7 10. h3 a6
34. ECC Open 2018 – Round 2.11 – Edouard, Romain – 1/2-1/2 – Ivanisevic, Ivan – G43 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. Nf3 O-O 6. g3 e6 7. Bg2 exd5 8. cxd5 d6 9. O-O Nbd7 10. Re1 Ng4
4. FIDE GP 2009 – Round 12 – Grischuk, Alexander – 1-0 – Bacrot, Etienne – G57 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Nbd7 10. h3 a6
43. Olympiad 2018 – Round 10.20 – Leitao, Rafael – 1/2-1/2 – Papaioannou, Ioannis CS – G650 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Nbd7 10. Re1 Ng4
Amber-rapid 5th 1996 – Round 4 – Ljubojevic, Ljubomir – 0-1 – Polgar, Judit – G15 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c5 5. d5 O-O 6. Nc3 e6 7. Nf3 exd5 8. cxd5 d6 9. O-O Nbd7 10. Bf4 Qe7
FIDE GP 2010 – Round 10 – Wang, Yue(SH) – 1/2-1/2 – Alekseev, Evgeny – G60 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. Bf4 Qe7
TCh-RUS 2008 – Round 1 – Avrukh, Boris – 1-0 – Navara, David – G11 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. a4 b6
TCh-RUS 2008 – Round 7 – Iljushin, Alexei – 1/2-1/2 – Navara, David – G178 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. Bf4 Qe7
World Cup 1989 – Round 1 – Vaganian, Rafael A – 0-1 – Sax, Gyula – G15 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. h3 a6

A63a — Fianchetto

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O Nbd7

Eval: [+0.56]

Les coups candidats

10.Bf4 — 37.6% (322 parties)

Ambassadeurs : Alekseev, Evgeny (8x), Nikolic, Predrag (5x), Kachiani-Gersinska, Ketino (4x), Hort, Vlastimil (4x), Grigoryan, Avetik (4x), Krüger, Hilmar (4x), Hausner, Ivan (3x), Langeweg, Kick (3x)

10.Nd2 — 27.3% (234 parties) →

Ambassadeurs : Velimirovic, Dragoljub (9x), De Firmian, Nick (7x), Ilincic, Zlatko (7x), Reefschlaeger, Helmut, Dr. (4x), Nikolic, Predrag (4x), Quinteros, Miguel A. (3x), Celedon Ivan (3x), Golichenko, Ilija (3x)

10.a4 — 13.8% (118 parties)

Ambassadeurs : Alekseev, Evgeny (9x), Rawlings, Alan J C (4x), Kubicki, Tadeusz (4x), Grigoryan, Avetik (4x), Caruana, Fabiano (3x), Martin Gonzalez, Angel (3x), Oren, Itamar (3x), Avrukh, Boris (2x)

10.h3 — 11.9% (102 parties)

Ambassadeurs : Gheorghiu, Florin (2x), Abramovic, Bosko (2x), Khalifman, Alexander (2x), Bacrot, Etienne (2x), Kubicki, Tadeusz (2x), Mason, Ian J (2x), Toth, Vaclav (1x), Redolfi, Argentino Rodolfo (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Bf4	10.Nd2	10.a4	10.h3
<1800	11	36%	27%	—	9%
1800-2200	159	41%	19%	18%	14%
2200-2600	495	43%	22%	14%	12%
2600+	48	42%	12%	23%	15%

Évolution par décennie (% des parties)

Décennie	N parties	10.Bf4	10.Nd2	10.a4	10.h3
1950s	14	21%	57%	7%	14%
1960s	15	20%	73%	—	—
1970s	47	13%	66%	—	11%
1980s	110	20%	45%	3%	12%
1990s	95	32%	42%	5%	8%
2000s	154	36%	32%	9%	14%
2010s	355	45%	10%	26%	14%
2020s	67	67%	15%	6%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Bf4	45%	67%	▲ +22.7%
10.Nd2	10%	15%	▲ +4.8%
10.a4	26%	6%	▼ -19.7%
10.h3	14%	6%	▼ -7.8%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 2 parties
Tal, Mikhail — 2 parties

Parties historiques

10.Bf4 — 37.6% (322 parties)

1954 — Antoshin, Vladimir S vs Veltmander, Iogannes — 0-1 — Leningrad RUS
1955 — Rossolimo, Nicolas vs Fries, Thomas — 1-0 — Long Beach, CA USA
1957 — Olexa, Vilem vs Kozma, Julius — 0-1 — Prague CZE
1960 — Trmal, Jaroslav vs Blom Seppo — 1-0 — Leningrad RUS
1965 — Flesch, János vs Velimirovic, Dragoljub — 1-0 — Belgrade SRB

10.Nd2 — 27.3% (234 parties)

1954 — Donner, Jan-Hein vs Pachman, Ludek — 0-1 — Hastings ENG
1954 — Donner, Jan-Hein vs Keres, Paul — 0-1 — Hastings ENG
1955 — Stachowitz, Rolf vs Wolk, Sigmund — 1-0 — Hoechst ch-GER
1957 — Rubio Aguado, Fernando vs Lombardy, William J — 0-1 — Mar del Plata ARG
1957 — Kozma, Julius vs Haeggqvist, Bjoern — 1-0 — Reykjavik ISL

10.a4 — 13.8% (118 parties)

1955 — Sliwa, Bogdan vs Spassky, Boris Vasily — 1/2-1/2 — Goteborg SWE
1984 — Todorovic, Goran M vs Abramovic, Bosko — 0-1 — Bor
1987 — Foulon, Greta vs Seret, Henri — 0-1 — Brasschaat
1989 — Savchenko, Stanislav vs Gurevich, Vladimir — 1/2-1/2 — Kherson UKR
1990 — Stempin, Andrzej vs Psakhis, Lev — 1-0 — Paris FRA

10.h3 — 11.9% (102 parties)

1956 — Toth, Vaclav vs Redolfi, Argentino Rodolfo — 1/2-1/2 — Mar del Plata ARG
1958 — Peterson, Andrejs vs Byvshev, Vasily — 1-0 — Tashkent UZB
1970 — Lengyel, Laszlo vs Dueball, Juergen — 1/2-1/2 — Bad Pyrmont GER
1975 — Balinas, Rosendo C vs Chen, De — 1-0 — Shanghai CHN
1977 — Birnboim, Nathan vs Pritchett, Craig W — 1-0 — Piccadilly Hotel London

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