D77f — Neo-Gruenfeld, 6.O-O dxc4 7.Na3

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O dxc4 7.Na3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ 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 f4, e5 et g5, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Les fous enfermés en g7 et c8 et une pièce en prise (le pion en c4).

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

Plans. Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4) ; 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 (4 contre 2), les cases fortes g4, d5 et f5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en c1 et g2.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...c6 (Rupture) ; ...c5 (Rupture) ; ...e6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c7
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● f7→g6, h7→g6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 4v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v0), ● g5 (2v0)	● g4 (2v0), ● d5 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (2v0)	● d5 (2v0), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	3 (b8, c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …e7-e6, ● …e7-e5

Partie
1935 Lodz IT – Round 8 – Tartakower, Savielly – 1/2-1/2 – Opocensky, Karel – G12 1. d4 Nf6 2. g3 g6 3. Bg2 d5 4. Nf3 Bg7 5. O-O O-O 6. c4 dxc4 7. Na3 Bf5 8. Ne5 Qc8 9. Naxc4 Ng4 10. Qb3 Nc6
1946 Pittsburgh Open – Round 1 – Evans Lianda – 0-1 – Kramer, Hanspeter – G46 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 dxc4 7. Na3 c6 8. Nxc4 Bf5 9. Nh4 Be4 10. b3 Bxg2
1948 Belgrade ch-YUG – Round 11 – Puc, Stojan – 1-0 – Bozic, Aleksandar – G11 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4 7. Na3 c5 8. dxc5 Na6 9. c6 bxc6 10. Nxc4 Nd5
1948 Budapest – Round 11 – Barcza, Gedeon – 1/2-1/2 – Foltys, Jan – G64 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 Na6
1948 Budapest HUN – Round 1 – Fuster, Geza – 1-0 – Wood, Baruch – G3 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Bg7 6. Na3 O-O 7. O-O Nbd7 8. Nxc4 c5 9. Qc2 cxd4 10. Rd1 e5
1948 Mar del Plata – Round 14 – Denker, Arnold S – 0-1 – Szabo, Ladislav – G115 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d5 5. Bg2 O-O 6. O-O dxc4 7. Na3 c6 8. Nxc4 Be6 9. Qc2 h6 10. Rd1 Nbd7
1948 Saltsjobaden Interzonal – Round 17 – Lundin, Erik – 1/2-1/2 – Steiner, Lajos – G156 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 dxc4 6. Na3 O-O 7. O-O c5 8. Nxc4 cxd4 9. Nxd4 Nbd7 10. Nb5 Ng4
1948 US Open – Round 12 – Evans, Larry M – 0-1 – Kramer, George – G63 1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. c4 dxc4 5. Bg2 Bg7 6. O-O O-O 7. Na3 Nbd7 8. Nxc4 c6 9. b3 Nb6 10. Nce5 Nfd7
1950 Schiavno Zdroj – Round 1 – Barcza, Gedeon – 1-0 – Troianescu, Octav – G126 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c6 8. Nxc4 Be6 9. Qc2 Na6 10. a3 h6
1950 Schiavno Zdroj – Round 1 – Barcza, Gedeon – 1/2-1/2 – Kottnauer, Cenek – G125 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c6 8. Nxc4 Be6 9. b3 Qc8 10. Ba3 Re8
1951 Ljubljana ch YUG – Round 10 – Vidmar, Milan Jr – 1/2-1/2 – Bertok, Mario Jr. – G16 1. Nf3 Nf6 2. g3 g6 3. Bg2 d5 4. O-O Bg7 5. d4 O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nb5 cxb2 10. Bxb2 Nc6
1951 YUG Ch 7th – Round 7 – Janosevic, Dragoljub – 1/2-1/2 – Milic, Borislav – G60 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. c4 dxc4 7. Na3 c6 8. Nxc4 Na6 9. Nfe5 Nd7 10. f4 Nxe5
1952 Budapest – Round 2 – Kottnauer, Cenek – 1-0 – Szabo, Ladislav – G21 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. d4 dxc4 7. Na3 c6 8. Nxc4 Be6 9. b3 Bd5 10. Ba3 Na6
1952 ITA-ch15 – Round 9 – Porreca, Giorgio – 1/2-1/2 – Castaldi, Vincenzo – G44 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nf3 O-O 6. O-O dxc4 7. Na3 c5 8. Nxc4 cxd4 9. Nxd4 Nbd7 10. Nb5 a6
1954 Liberation – Round 14 – Barcza, Gedeon – 1/2-1/2 – Joppen, Ernst – G30 1. g3 d5 2. Nf3 Nf6 3. Bg2 g6 4. c4 Bg7 5. O-O O-O 6. d4 dxc4 7. Na3 c5 8. dxc5 Ne4 9. Nxc4 Nxc5 10. Be3 Nba6
1954 Olympiad final A – Round 1 – Neikirkh, Oleg – 1/2-1/2 – Donner, Jan-Hein – G90 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 Nfd7 8. Nxc4 Nb6 9. Nce5 N8d7 10. Nd3 Nf6
1954 URS Ch, semi final – Round 1 – Moiseev, Oleg – 1-0 – Lilienthal, Andor – G30 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d5 6. O-O dxc4 7. Na3 c5 8. Nxc4 Be6 9. Ne3 Nc6 10. dxc5 Qa5
1955 Manhattan CC Ch 5556 – Round 6 – Feuerstein, Arthur – 1/2-1/2 – Reiter, Alexander – G29 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 dxc4 7. Na3 c5 8. e3 Nc6 9. Nxc4 cxd4 10. exd4 Be6
1955 Mar del Plata – Round 15 – Dodero, Emilio – 1/2-1/2 – Gligorić, Svetozar – G106 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4 7. Na3 Nbd7 8. Nxc4 Nb6 9. Nce5 c6 10. e3 Bf5
1958 Munich olm fin-B – Round 9 – Bilek, Istvan – 1-0 – Koskinen, Heikki – G20 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 dxc4 7. Na3 c5 8. Nxc4 Na6 9. b3 Ne4 10. Bb2 b5
1958 UKR Ch – Round 6 – Zamikhovsky, Abram – 1/2-1/2 – Sakharov, Yuri N – G27 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 dxc4 7. Na3 c6 8. Nxc4 Be6 9. Qd3 Na6 10. Ng5 Bxc4
1959 Argentina – Round 14 – Espinosa Flores, Rafael Emilio – 1-0 – Marini, Luis – G75 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d5 5. Bg2 O-O 6. O-O dxc4 7. Na3 c5 8. Nxc4 Nc6 9. dxc5 Be6 10. Nfe5 Nd5
1959 Asztalos Memorial – Round 13 – Dely, Peter – 1-0 – Honfi, Karoly – G62 1. g3 g6 2. Bg2 Bg7 3. d4 d5 4. Nf3 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1960 FRG Ch U20 – Round 11 – Haeussler Peter – 0-1 – Pfleger, Helmut, Dr. – G10 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 d5 5. O-O O-O 6. c4 dxc4 7. Na3 c6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 Nbd7
1960 FRG Ch U20 – Round 5 – Haakert, Juergen – 0-1 – Pfleger, Helmut, Dr. – G4 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 dxc4 7. Na3 c6 8. Nxc4 Be6 9. Nce5 Bd5 10. Be3 Nbd7
1962 It Bamberg GER – Round 4 – Clemens, Christian, Dr. – 1-0 – Pfleger, Helmut, Dr. – G20 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 dxc4 7. Na3 c6 8. Nxc4 Be6 9. Qc2 Bf5 10. Qb3 Qc8
1962 Stockholm Interzonal – Round 7 – Barcza, Gedeon – 1-0 – Pomar, S.A. – G66 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 dxc4 7. Na3 Nbd7 8. Nxc4 Nb6 9. Nce5 Ng4 10. Nd3 Bf5
1963 Amsterdam – Round 8 – Bertok, Mario Jr. – 1/2-1/2 – Lehmann, Heinz – G38 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 O-O 5. O-O d5 6. c4 dxc4 7. Na3 c5 8. dxc5 Nfd7 9. Nxc4 Nxc5 10. Be3 Nba6
1963 FRG Ch – Round 1 – Clemens, Christian, Dr. – 1-0 – Lohse, Steffen – G2 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 Nbd7 8. Nxc4 Nb6 9. Na5 c6 10. Re1 Ne4
1963 FRG Ch – Round 12 – Bialas, Wolfram – 0-1 – Pfleger, Helmut, Dr. – G34 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1964 Budapest ch-HUN – Round 1 – Flesch, Jean-benoit – 1-0 – Sallay, Roland – G12 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. d4 dxc4 7. Na3 c5 8. dxc5 Qxd1 9. Rxd1 Nfd7 10. Nxc4 Nxc5
1964 Hoogovens Beverwijk NED – Round 1 – Lengyel, Laszlo – 1-0 – Zuidema, Coen – G43 1. g3 d5 2. Nf3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 Na6 9. c6 c3 10. Nd4 Nd5
1964 Hoogovens-B – Round 4 – Sandor, Balazs – 1-0 – Gibbs, Peter Campbell – G18 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 dxc4 7. Na3 c5 8. Nxc4 Na6 9. b3 Bf5 10. Bb2 Be4
1965 Hamburg etc – Round 3 – Bilek, Istvan – 1-0 – Van den Berg, Cees – G40 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. Nxc4 Be6 9. Ne3 Nc6 10. dxc5 Qxd1
1965 Novi Sad – Round 2 – Puc, Stojan – 1/2-1/2 – Leban Espinoza, Gilberto – G26 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4 7. Na3 c5 8. Nxc4 Na6 9. dxc5 Nxc5 10. Be3 Nce4
1966 Den Haag zt – Round 13 – Garcia Aruca, Francisco Fernando – 0-1 – Pfleger, Helmut, Dr. – G73 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. c4 dxc4 7. Na3 c6 8. Nxc4 Be6 9. Nce5 Bd5 10. Bf4 Nbd7
1966 Zonal – Round 13 – Garcia Orus, Francisco – 0-1 – Pfleger, Helmut, Dr. – G12 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. c4 dxc4 7. Na3 c6 8. Nxc4 Be6 9. Nce5 Bd5 10. Bf4 Nbd7
1968 Clare Benedict Cup 15th – Round 4 – Bouwmeester, Hans – 1/2-1/2 – Glauser, Hansruediger – G21 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 dxc4 7. Na3 Nbd7 8. Nxc4 Nb6 9. Nce5 Nfd7 10. Nd3 Nb8
8. London Classic 2016 – Round 5.4 – Aronian, Levon – 1/2-1/2 – Giri, Anish – G24 1. g3 d5 2. Nf3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. Nxc4 Be6 9. b3 Nc6 10. Bb2 cxd4
80. Tata Steel GpA 2018 – Round 1.3 – Kramnik, Vladimir – 1-0 – Wei, Yi – G3 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5
FIDE Candidates 2018 – Round 6.2 – Ding, Liren – 1/2-1/2 – Karjakin, Sergey – G22 1. Nf3 d5 2. g3 g6 3. d4 Bg7 4. Bg2 Nf6 5. c4 dxc4 6. O-O O-O 7. Na3 c5 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5
FIDE Grand Swiss 2025 – Round 7 – Kollars Dmitrij – 1-0 – Wagner Dennis – G399 1. d4 Nf6 2. Nf3 d5 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. Nxc4 Be6 9. Nfe5 Nc6 10. dxc5 Nxe5
FIDE World Cup 2017 – Round 2.3 – So, Wesley – 1/2-1/2 – Bluebaum, Matthias – G269 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5
FIDE World Cup 2019 – Round 1.1 – Berkes, Ferenc – 1/2-1/2 – Jumabayev, Rinat – G12 1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. c4 dxc4 6. O-O O-O 7. Na3 c5 8. dxc5 Na6 9. c6 Nb4 10. Ne5 Nxc6
FIDE World Cup 2025 – Round R1 Classical 1 – Brkic Ante – 1/2-1/2 – Oro Faustino – G58 1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Bd3 Bxd3 5. cxd3 Nbd7 6. Qb3 Nb6 7. Nc3 e6 8. e4 Be7 9. O-O O-O 10. Be3 a5
FIDE World Cup 2025 – Round R3 Classical 2 – Shant Sargsyan – 1/2-1/2 – Yilmaz Mustafa – G500 1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bf5 5. Nh4 Bd7 6. Nf3 Bg7 7. e4 O-O 8. Be2 e5 9. dxe5 dxe5 10. Nxe5 Nxe4
GCT Rapid YourNextMove 2016 – Round 5.5 – Kramnik, Vladimir – 1/2-1/2 – Giri, Anish – G25 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nd4 Nfd7 10. bxc3 Nxc5
Global Chess League 2023 – Round 3.6 – Esipenko, Andrey – 1-0 – Sadhwani, Raunak – G39 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5
Levitov Chess Week Rapid 2023 – Round 15.4 – Svidler, Peter – 1-0 – Kramnik, Vladimir – G74 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5
Lindores Abbey Tal Memorial 2021 – Round 9.22 – Adly, Ahmed – 1-0 – Ter-Sahakyan, Samvel – G396 1. Nf3 d5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Qb3 Na6 10. Qxc3 Ne4
Palma De Mallorca GP 2017 – Round 7.5 – Ding, Liren – 1/2-1/2 – Giri, Anish – G59 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5
Riga FIDE Grand Prix 2019 – Round 1.8 – Giri, Anish – 1/2-1/2 – Karjakin, Sergey – G36 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5
Saint Louis Blitz 2019 – Round 8.2 – Rapport, Richard – 1/2-1/2 – Ding, Liren – G37 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5
Saint Louis Blitz 2024 - Round 12 - So Wesley - 1/2-1/2 - Firouzja Alireza - G56 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 dxc4 6. Na3 O-O 7. O-O c5 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5
Saint Louis Rapid 2018 – Round 4.1 – Nakamura, Hikaru – 1/2-1/2 – Caruana, Fabiano – G16 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. Nxc4 Be6 9. Nce5 cxd4 10. Qxd4 Qxd4
Saint Louis Rapid 2019 – Round 1.4 – Karjakin, Sergey – 1/2-1/2 – Caruana, Fabiano – G4 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5
World Blitz 2019 – Round 20.24 – Dreev, Aleksey – 1-0 – Safarli, Elmir – G1341 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4 7. Na3 a5 8. Nxc4 Be6 9. Nce5 Bd5 10. Re1 a4
World Blitz 2021 – Round 7.7 – Amin, Bassem – 1/2-1/2 – Nepomniachtchi, Ian – G440 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5
World Blitz 2023 – Round 5.10 – Bai, Jinshi – 1-0 – Ponomariov, Ruslan – G259 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 9. Nb5 Na6 10. Nxc3 Nxc5
World Rapid 2019 – Round 1.46 – Afanasiev, Nikita – 1/2-1/2 – Chigaev, Maksim – G40 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 dxc4 7. Na3 c5 8. Nxc4 Be6 9. Nfe5 cxd4 10. Bxb7 Nbd7
World Rapid 2019 – Round 14.51 – Adly, Ahmed – 1-0 – Narayanan, Sri Shiva Kumar – G921 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. Nxc4 Na6 9. dxc5 Nxc5 10. Be3 Nce4
World Rapid 2021 – Round 11.4 – Nakamura, Hikaru – 1-0 – Hovhannisyan, Razmik – G653 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 dxc4 6. O-O O-O 7. Na3 c5 8. Nxc4 Be6 9. Nce5 Nbd7 10. Ng5 cxd4
World Rapid 2021 – Round 12.61 – Mikhalevski, Victor – 0-1 – Oparin, Grigoriy – G728 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. c4 dxc4 7. Na3 a5 8. Nxc4 a4 9. Bf4 Be6 10. Nfe5 Bd5

D77f — Neo-Gruenfeld

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O dxc4 7.Na3

Eval: [+0.26]

Les coups candidats

7…c3 — 48.7% (2166 parties) →

Ambassadeurs : Nikolic, Predrag (16x), Kasparov, Garry (12x), Drasko, Milan (12x), Stupak, Kacper (10x), Gutman, Lev (9x), Cosma, Elena-Luminita (9x), Cvitan, Ognjen (8x), Sorri, Kari Juhani (7x)

7…Nc6 — 28.4% (1260 parties) →

Ambassadeurs : Pribyl, Josef (15x), Banas, Jan (12x), Gheorghiu, Florin (10x), Panno, Oscar (10x), Ftacnik, Lubomir (8x), Gutman, Lev (7x), Csom, Istvan (6x), Barcza, Gedeon (5x)

7…c5 — 7.5% (334 parties)

Ambassadeurs : Karjakin, Sergey (6x), Sadhwani, Raunak (5x), Ding, Liren (4x), Aadvika Giri (4x), Svane, Rasmus (4x), Blomqvist, Erik 2006 (3x), Dardha, Daniel (3x), Amin Barzegar, Babak (3x)

7…Na6 — 5.0% (224 parties) →

Ambassadeurs : Shishkin, Vadim (6x), Smejkal, Jan (5x), Nikolic, Predrag (5x), Ftacnik, Lubomir (5x), Jansa, Vlastimil (5x), Kurajica, Bojan (4x), Ye, Jiangchuan (4x), Kalod, Radek (4x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…c3	7…Nc6	7…c5	7…Na6
<1800	38	29%	34%	8%	—
1800-2200	917	48%	24%	8%	3%
2200-2600	2793	52%	30%	6%	6%
2600+	188	43%	13%	34%	7%

Évolution par décennie (% des parties)

Décennie	N parties	7…c3	7…Nc6	7…c5	7…Na6
1920s	2	—	—	50%	—
1930s	2	50%	—	—	—
1940s	18	17%	17%	17%	11%
1950s	62	8%	48%	15%	11%
1960s	74	11%	46%	12%	5%
1970s	146	25%	51%	3%	6%
1980s	261	60%	19%	3%	9%
1990s	676	48%	27%	2%	12%
2000s	1054	43%	39%	5%	4%
2010s	1601	58%	24%	7%	3%
2020s	548	47%	16%	23%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…c3	58%	47%	▼ -10.4%
7…Nc6	24%	16%	▼ -8.2%
7…c5	7%	23%	▲ +16.0%
7…Na6	3%	3%	+0.1%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 10 parties
Karpov, Anatoly — 8 parties
Kramnik, Vladimir — 6 parties
Ding, Liren — 5 parties
Smyslov, Vladimir — 4 parties
Gukesh D — 3 parties
Karpov, Aleksandr — 2 parties
Ju, Wenjun — 2 parties
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

7…c3 — 48.7% (2166 parties)

1939 — Horowitz, Binyamin vs Green Marwa — 1-0 — USA-ch New York, NY USA
1940 — Barcza, Gedeon vs Vidmar, Milan Sr — 1/2-1/2 — Budapest HUN
1940 — Barcza, Gedeon vs Vidmar, Milan Sr — 1/2-1/2 — Budapest HUN
1949 — Ahues, Carl vs Schmid, Pablo — 1/2-1/2 — Bad Pyrmont GER
1950 — Szabados, Eugenio vs Reshevsky, Samuel — 1/2-1/2 — Amsterdam NED

7…Nc6 — 28.4% (1260 parties)

1948 — Benko, Pal vs Canal, Esteban — 1/2-1/2 — Bad Gastein
1949 — Rellstab, Ludwig vs Heinicke, Herbert — 1-0 — Oldenburg GER
1949 — Mueller, Hans vs Sajtar, Jaroslav — 1/2-1/2 — CZE-AUT Prague CZE
1950 — Agustsson, Gudmundur vs Kinnmark, Olof — 1/2-1/2 — Reykjavik ISL
1951 — Nuernberg, Friedrich vs Heinicke, Herbert — 0-1 — Augsburg GER

7…c5 — 7.5% (334 parties)

1924 — Pahl, Kurt vs Wegemund, Otto — 1/2-1/2 — Eisenach
1948 — Puc, Stojan vs Bozic, Aleksandar — 1-0 — Belgrade ch-YUG
1948 — Lundin, Erik vs Steiner, Lajos — 1/2-1/2 — Saltsjobaden SWE
1948 — Lundin, Erik vs Steiner, Lajos — 1/2-1/2 — Stockholm SWE
1950 — Krogh Nielsen, Hans vs Heinkinheimo, John — 1-0 — Dubrovnik CRO

7…Na6 — 5.0% (224 parties)

1948 — Szabo, Laszlo vs Yanofsky, Daniel Abraham — 1/2-1/2 — Saltsjobaden SWE
1948 — Szabo, Laszlo vs Yanofsky, Daniel Abraham — 1/2-1/2 — Stockholm SWE
1950 — Pirc, Vasja vs O'Kelly, Albéric de Galway — 0-1 — Bled SLO
1951 — Vidmar, Milan Jr vs Rabar, Braslav — 1/2-1/2 — Ljubljana ch YUG
1951 — Toran Albero, Roman vs Pilnik, Herman — 1/2-1/2 — Madrid ESP

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