Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● f7→g6, h7→g6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes
Cases faibles
Centre ● d5 (1v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Bf1 ● Bf1 Non développé (mob. 0)
Bg7 ● Bg7 Actif (mob. 7)
Bc8 ● Bc8 Non développé (mob. 0)
Paire de fous ● Oui ● Oui
Non développées 5 (● b1, ● c1, ● f1, ● a1, ● h1) 5 (● b8, ● g8, ● c8, ● a8, ● h8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Au centre ● Au centre
Droits de roque O-O / O-O-O O-O / O-O-O
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre mobile
Ruptures ● …d7-d5

A10f — English: 1…g6

1.c4 g6 2.Nf3 Bg7 *   ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bK
bN
bR
bP
bP
bP
bP
bP
bP
bB
bP
bP
wP
wN
wP
wP
wP
wP
wP
wP
wP
wR
wN
wB
wQ
wK
wB
wR
abcdefgh
Plans. d4 (Occuper le centre — 43 % des parties) ; Nc3 (Développer b1 — 32 % des parties) ; g3 (Préparer le fianchetto — 18 % des parties) ; e4 (Occuper le centre — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wB
wK
wQ
wB
wN
wR
wP
wP
wP
wP
wP
wP
wP
wN
wP
bP
bP
bBFou actif — mobilité 7
bP
bP
bP
bP
bP
bP
bR
bN
bK
bQ
bB
bN
bR
hgfedcba
Plans. ...d6 (Libérer Bc8 — 36 % des parties) ; ...Nf6 (Développer g8 — 32 % des parties) ; ...c5 (Frapper le centre adverse — 20 % des parties) ; ...e5 (Occuper le centre — 8 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1956 CSR Ch – Round 19 – Pithart, Frantisek – 0-1 – Ujtelky, Maximilian – G181
1. Nf3 g6 2. c4 Bg7 3. Nc3 e5 4. d4 exd4 5. Nxd4 Nc6 6. e3 Nge7 7. Be2 O-O 8. O-O Re8 9. Nf3 d6 10. Bd2 b6
1956 URS Ch sf – Round ? – Shamkovich, Leonid – 0-1 – Aronson, Lev – G7
1. c4 g6 2. Nf3 Bg7 3. g3 d6 4. Bg2 f5 5. Nc3 Nf6 6. O-O O-O 7. Rb1 e5 8. d3 Re8 9. b4 h6 10. Ne1 Nc6
1957 HUN-JUG m – Round ? – Sandor, Bela – 1/2-1/2 – Fuderer, Andrija – G17
1. Nf3 g6 2. c4 Bg7 3. Nc3 e5 4. g3 Ne7 5. Bg2 O-O 6. O-O Nbc6 7. Rb1 b6 8. b4 Bb7 9. Ne1 Qc8 10. Nd5 Nxd5
1959 Kragujevac ch14-YUG – Round 1 – Sofrevski, Jovan – 1/2-1/2 – Lukic, Arsenije – G11
1. c4 g6 2. Nf3 Bg7 3. Nc3 d6 4. g3 e5 5. d4 exd4 6. Nxd4 Nc6 7. Nxc6 bxc6 8. Bg2 Ne7 9. O-O O-O 10. Bg5 Bd7
1959 York ch-BCF – Round 1 – Golombek, Harry – 1-0 – Beaty, JH. – G4
1. c4 g6 2. Nf3 Bg7 3. g3 e5 4. Bg2 d6 5. Nc3 f5 6. d3 Nf6 7. O-O O-O 8. Bd2 Nc6 9. Qc1 Nh5 10. Nd5 Be6
1961 Katowice ch18-POL – Round 16 – Borowski, Natan – 0-1 – Doda, Zbigniew – G96
1. Nf3 g6 2. c4 Bg7 3. g3 f5 4. d3 Nf6 5. Bg2 d6 6. Nc3 e5 7. Rb1 a5 8. b3 Nc6 9. Bb2 O-O 10. e3 h6
1963 Budapest HUN – Round 1 – Laszlo, Szollosi sr – 0-1 – Szabo, Laszlo – G1
1. c4 g6 2. Nf3 Bg7 3. g3 e5 4. Nc3 d6 5. d3 f5 6. Bg2 Nf6 7. Bg5 h6 8. Bd2 g5 9. Qc2 Nc6 10. e3 O-O
1963 CAN Ch – Round 2 – Hirsch, Robert – 1/2-1/2 – Suttles, Duncan – G5
1. Nf3 g6 2. c4 Bg7 3. Nc3 d6 4. g3 Nh6 5. Bg2 O-O 6. d3 Nc6 7. O-O e5 8. Rb1 Ne7 9. b4 f5 10. Qb3 Nf7
1963 World Championship 25th – Round 7 – Petrosian, Tigran V – 1-0 – Botvinnik, Mikhail – G7
1. c4 g6 2. Nf3 Bg7 3. Nc3 e5 4. g3 Ne7 5. Bg2 O-O 6. d4 exd4 7. Nxd4 Nbc6 8. Nxc6 Nxc6 9. O-O d6 10. Bd2 Bg4
1965 Zagreb – Round 1 – Udovcic, Mijo – 0-1 – Petrosian, Tigran A. – G5
1. c4 g6 2. Nf3 Bg7 3. g3 e5 4. Nc3 Nc6 5. Bg2 Nge7 6. O-O O-O 7. d3 Nd4 8. Nxd4 exd4 9. Ne4 h6 10. b4 d5
1965 Zagreb – Round 8 – Udovcic, Mijo – 0-1 – Petrosian, Tigran V – G81
1. c4 g6 2. Nf3 Bg7 3. g3 e5 4. Nc3 Nc6 5. Bg2 Nge7 6. O-O O-O 7. d3 Nd4 8. Nxd4 exd4 9. Ne4 h6 10. b4 d5
1966 US Open – Round 8 – Koelsche, Giles A – 0-1 – Macskasy, Elod – G52
1. Nf3 g6 2. c4 Bg7 3. g3 d6 4. Nc3 e5 5. Bg2 Nc6 6. O-O Nge7 7. d3 O-O 8. e4 h6 9. Be3 f5 10. Qd2 g5
1967 Skopje – Round 8 – Danov, Kiril – 0-1 – Fischer, Robert J – G67
1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6 6. e3 Nf6 7. Be2 O-O 8. O-O Nxd4 9. Qxd4 d6 10. Qd2 Be6
1967 Szczecin ch POL – Round 12 – Gromek, Jozef – 0-1 – Bednarski, Jacek B – G57
1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. e3 Nf6 5. d4 O-O 6. Be2 cxd4 7. Nxd4 Nc6 8. Bf3 Ne5 9. Be2 d6 10. h3 Bd7
1968 Kecskemet Kecskemet HUN – Round 1 – Hernandez Stein, Dario Eduardo – 1-0 – Honfi, K. – G9
1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6 6. Nc2 d6 7. e4 f5 8. exf5 Bxf5 9. Ne3 Nh6 10. g3 O-O
1968 Lugano ol (Men) fin-B – Round 13 – Freeman, Matthew Herbert – 0-1 – Acevedo Ortega, Rodrigo Andres – G46
1. Nf3 g6 2. c4 Bg7 3. g3 e5 4. Nc3 Nc6 5. Bg2 Nge7 6. O-O O-O 7. Rb1 d6 8. b4 f5 9. Qb3 e4 10. Ng5 h6
1968 Lugano ol (Men) qual-E – Round 1 – Hobson, Ronald – 0-1 – Hecht, Hans-Joachim – G3
1. c4 g6 2. Nf3 Bg7 3. Nc3 c5 4. e4 Nc6 5. Be2 d6 6. d3 e6 7. O-O Nge7 8. Be3 Nd4 9. Bxd4 cxd4 10. Nb5 Qb6
1968 Toth Memorial – Round 9 – Barcza, Gedeon – 1/2-1/2 – Stein, Leonid – G36
1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. e3 Nf6 5. Be2 O-O 6. O-O d5 7. d4 cxd4 8. exd4 Nc6 9. Be3 Bg4 10. Ne5 Bxe2
1968 WchT U26 15. qual-B – Round 2.1 – Pfleger, Helmut, Dr. – 1-0 – Arnaudov, Petar – G4
1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6 6. e3 Nf6 7. Nb3 O-O 8. Be2 d6 9. O-O Bf5 10. f3 Rc8
1969 Raach zt – Round ? – Jakobsen, Ole – 1-0 – Ivkov, Borislav – G202
1. Nf3 g6 2. c4 Bg7 3. Nc3 e5 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Be3 Be6 8. b3 f6 9. h3 Nd7 10. g4 h5
1969 Raach zt – Round 1 – Jakobsen, Ole – 0-1 – Hartoch, Robert G – G30
1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. e3 Nf6 5. d4 O-O 6. Be2 cxd4 7. exd4 d5 8. Ne5 Nc6 9. Nxc6 bxc6 10. c5 e5
1969 URS Ch sf – Round 1 – Furman Oman, Anze – 1-0 – Nezhmetdinov, Rashid – G3
1. Nf3 g6 2. c4 Bg7 3. Nc3 Nf6 4. g3 c6 5. e4 O-O 6. Bg2 d6 7. O-O Bg4 8. h3 Bxf3 9. Bxf3 e5 10. Bg2 Nbd7
1969 WchT U26 fin-A 16th – Round 7.1 – Plachetka, Jan – 0-1 – Huebner, Robert – G44
1. c4 g6 2. Nf3 Bg7 3. Nc3 c5 4. e3 Nf6 5. d4 O-O 6. dxc5 Na6 7. Be2 Nxc5 8. O-O b6 9. Nd4 Bb7 10. b4 Nce4
1973 Leningrad Interzonal – Round 4 – Larsen, Bent – 1/2-1/2 – Torre, Eugenio – G19
1. c4 g6 2. Nf3 Bg7 3. Nc3 e5 4. d4 exd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. O-O d6 10. Bg5 f6
34. ECC Open 2018 – Round 1.6 – Rathlev, Jakob – 0-1 – Vocaturo, Daniele – G31
1. Nf3 g6 2. c4 Bg7 3. Nc3 d6 4. g3 e5 5. Bg2 f5 6. d3 Nf6 7. O-O O-O 8. Bd2 h6 9. b4 g5 10. Qb3 Kh8
42. Olympiad 2016 – Round 8.25 – Makoto, Rodwell – 0-1 – Kasimdzhanov, Rustam – G575
1. Nf3 g6 2. c4 Bg7 3. g3 e6 4. Bg2 d5 5. d4 Ne7 6. O-O O-O 7. Nbd2 Nbc6 8. e3 a5 9. b3 e5 10. Nxe5 Nxe5
FIDE World Cup 2017 – Round 1.1 – Hjartarson, Johann – 0-1 – Navara, David – G5
1. c4 g6 2. Nf3 Bg7 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6 6. Nc2 Bxc3+ 7. bxc3 Nf6 8. f3 Qa5 9. Qd2 d6 10. e4 Be6
FIDE World Rapid 2014 – Round 1.11 – Savchenko, Boris – 0-1 – Nepomniachtchi, Ian – G2
1. Nf3 g6 2. c4 Bg7 3. Nc3 f5 4. e4 fxe4 5. Nxe4 Nf6 6. Nxf6+ exf6 7. Qe2+ Kf7 8. d4 Re8 9. Be3 d5 10. O-O-O Nc6
Interpolis 1993 – Round 2 – Vaganian, Rafael A – 1-0 – Speelman, Jon S – G108
1. Nf3 g6 2. c4 Bg7 3. Nc3 d6 4. g3 e5 5. Bg2 Ne7 6. O-O O-O 7. d3 h6 8. Rb1 c6 9. b4 d5 10. cxd5 cxd5
Moscow 1975 – Round 1 – Vaganian, Rafael A – 1/2-1/2 – Petrosian, Tigran V – G6
1. c4 g6 2. Nf3 Bg7 3. e4 e5 4. d4 d6 5. Bg5 f6 6. Be3 Nh6 7. h3 Nf7 8. Nc3 Nd7 9. Qc2 c6 10. Be2 O-O
World Blitz 2015 – Round 13.31 – Bologan, Victor – 0-1 – Nepomniachtchi, Ian – G805
1. Nf3 g6 2. c4 Bg7 3. g3 e5 4. d3 c6 5. Bg2 d5 6. cxd5 cxd5 7. O-O Ne7 8. e4 O-O 9. Nc3 d4 10. Ne2 Nbc6
World Blitz 2015 – Round 7.44 – Bindrich, Falko – 0-1 – Malakhov, Valentyn – G438
1. Nf3 g6 2. c4 Bg7 3. g3 e6 4. Bg2 d5 5. O-O Ne7 6. d4 O-O 7. Nbd2 Nbc6 8. cxd5 exd5 9. e3 Bf5 10. b3 Qd7
World Blitz 2019 – Round 14.40 – Grachev, Boris – 1-0 – Kazhgaleyev, Murtas – G950
1. Nf3 g6 2. c4 Bg7 3. g3 e5 4. d3 d6 5. Bg2 f5 6. Nc3 h6 7. O-O Nf6 8. Rb1 O-O 9. b4 Nc6 10. b5 Ne7

A10f — English (1956)
1.c4 g6 2.Nf3 Bg7
Les coups candidats
3.Nc3 — 37.9% (4289 parties)
Ambassadeurs : Valdes Romero, Leonardo (13x), Prie, Eric (9x), Sunye Neto, Jaime (9x), Andersson, Ulf (9x), Gufeld, Eduard (8x), Cafferty, Bernard (8x), Timman, Jan H (7x), Schwartzman, Gabriel (7x)
Ambassadeurs : Vukic, Milan (50x), Pogorelov, Ruslan (39x), Smejkal, Jan (37x), Schmidt, Wlodzimierz (34x), Keene, Raymond D (28x), Schmidt, Waldemar (20x), Liebert, Heinz (20x), Adamski, Jan (20x)
3.g3 — 20.2% (2292 parties)
Ambassadeurs : Hernando Garcia, Antonio (18x), Feustel, Bernd (13x), Stoeckl, Stephan (12x), Oswald, Hans-Joachim (8x), Stoer, Andreas (8x), Pribyl, Josef (7x), Trauth, Michael, Dr. (7x), Raab, Peter (7x)
3.e4 — 6.5% (733 parties)
Ambassadeurs : Ragozin, Evgeni (13x), Lalit Babu M R (13x), Marosi, Gyorgy (8x), Szuhanek, Ranko (8x), Bang, Andreas (6x), Spielmann, Alain (6x), Jackelen, Thomas (5x), Siclari, Giovanni (5x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.Nc3 3.d4 3.g3 3.e4
<1800 387 35% 31% 30% 2%
1800-2200 3887 42% 28% 25% 4%
2200-2600 5883 36% 39% 16% 8%
2600+ 121 21% 45% 21% 13%
Évolution par décennie (% des parties)
Décennie N parties 3.Nc3 3.d4 3.g3 3.e4
1950s 22 41% 27% 18% 5%
1960s 149 46% 33% 20%
1970s 698 30% 52% 12% 5%
1980s 662 38% 42% 14% 6%
1990s 2331 40% 35% 19% 5%
2000s 3075 36% 34% 20% 9%
2010s 3552 39% 31% 23% 6%
2020s 837 40% 31% 24% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.Nc3 39% 40% ▲ +1.5%
3.d4 31% 31% -0.1%
3.g3 23% 24% ▲ +1.0%
3.e4 6% 4% ▼ -2.1%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 5 parties
Botvinnik, Mikhail — 4 parties
Carlsen, Magnus — 3 parties
Karpov, Anatoly — 2 parties
Kasparov, Garry — 1 partie
Smyslov, Vladimir — 1 partie
Ding, Liren — 1 partie
Parties historiques
3.Nc3 — 37.9% (4289 parties)
1956 — Parak, Frantisek vs Ujtelky, Maximilian — 0-1 — Podebrady CZE
1957 — Dunkelblum, Arthur vs Durão, Joaquim Manuel — 1-0 — Dublin zt
1957 — Sandor, Bela vs Fuderer, Andrija — 1/2-1/2 — Budapest HUN
1958 — Rosenberg, Arie vs Wade, Robert G — 1/2-1/2 — Haifa/Tel Aviv
1958 — Perez - Huet Oliver, Jaime Javier vs Panno, Oscar — 1/2-1/2 — Bogota COL
3.d4 — 34.5% (3912 parties)
1953 — Hantke, Rolf vs Deppe, Georg — 1-0 — Soest NED
1953 — Geller, Adam vs Hazard, Charly — 0-1 — Hollywood, CA
1955 — Stahlberg, Gideon vs Fuderer, Andrija — 0-1 — Goteborg izt
1958 — Kots, Yuri I vs Gurgenidze, Bukhuti — 1/2-1/2 — Rostov on Don
1958 — Katalymov, Boris vs Gufeld, Eduard — 1/2-1/2 — Tashkent UZB
3.g3 — 20.2% (2292 parties)
1954 — Cruz, Walter vs Panno, Oscar — 1/2-1/2 — Mar del Plata ARG
1956 — Pogrebissky, Iosif vs Shianovsky, Vladislav I — 0-1 — Kiev UKR
1956 — Shamkovich, Leonid vs Aronson, Lev — 0-1 — Kharkov UKR
1959 — Golombek, Harry vs Abdellahi Ahmed Beyatt — 1-0 — York ch-BCF
1961 — Borowski, Natan vs Doda, Zbigniew — 0-1 — Katowice ch18-POL
3.e4 — 6.5% (733 parties)
1956 — Andrade Andrade, Mathias Benjamin vs Robatsch, Karl — 0-1 — Moskou olm
1970 — Adamski, Jan vs Adorjan, Andras — 0-1 — Polanica Zdroj POL
1972 — Ivkov, Borislav vs Timman, Jan H — 1-0 — Wijk aan Zee NED
1973 — Kholmov, Ratmir D vs Spiridonov, Nikolay — 0-1 — ?
1973 — Kholmov, Ratmir D vs Spiridonov, Nikola — 0-1 — Sochi RUS

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