A10f — English: 1…g6

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

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : paire de fous.
Faiblesses adverses : Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, libère Bf1
● Nc3 — Développer Nb1
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : Bg7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, 5 pièces non développées (B8, G8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Nf6 — Développer Ng8
● ...Bg4 — Clouer Nf3

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A10f —

1.c4 g6 2.Nf3 Bg7

Eval: [+0.29]

Les coups candidats

3.Nc3 — 37.7% (4171 parties)

Ambassadeurs : Jansa, Vlastimil (15x), Kosny, Marek (13x), Valdes Romero, Leonardo (12x), Marchio, Enrico, Dr. (11x), Prie, Eric (9x), Schwartzman, Gabriel (9x), Sunye Neto, Jaime (9x), Andersson, Ulf (9x)

3.d4 — 34.9% (3858 parties) →

Ambassadeurs : Pogorelov, Ruslan (44x), Vukic, Milan (40x), Schmidt, Waldemar (38x), Keene, Raymond D (26x), Smejkal, Jan (26x), Adamski, Jan (25x), Liebert, Heinz (20x), Badea, Bela (17x)

3.g3 — 20.0% (2217 parties)

Ambassadeurs : Hernando Garcia, Antonio (17x), Stoeckl, Stephan (12x), Feustel, Bernd (11x), Oswald, Hans-Joachim (9x), Stoer, Andreas (8x), Trauth, Michael, Dr. (8x), Raab, Peter (8x), Demeter, Peter (7x)

3.e4 — 6.5% (720 parties)

Ambassadeurs : Ragozin, Evgeni (13x), Lalit Babu M R (13x), Marosi, Gyorgy (8x), Szuhanek, Ranko (8x), Bang, Andreas (6x), Vukanovic, Sasa (6x), Nyback, Tomi (6x), Spielmann, Alain (6x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3.Nc3	3.d4	3.g3	3.e4
<1800	169	38%	31%	29%	1%
1800-2200	3359	42%	27%	26%	4%
2200-2600	5889	36%	39%	16%	9%
2600+	152	22%	45%	20%	13%

Évolution par décennie (% des parties)

Décennie	N parties	3.Nc3	3.d4	3.g3	3.e4
1880s	1	—	100%	—	—
1920s	3	—	67%	33%	—
1950s	22	41%	27%	18%	5%
1960s	149	46%	34%	20%	—
1970s	698	30%	52%	12%	4%
1980s	656	39%	41%	14%	6%
1990s	2321	40%	35%	19%	6%
2000s	3065	36%	34%	20%	9%
2010s	3508	39%	31%	23%	6%
2020s	643	38%	34%	23%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3.Nc3	39%	38%	▼ -0.8%
3.d4	31%	34%	▲ +2.9%
3.g3	23%	23%	-0.1%
3.e4	6%	4%	▼ -1.8%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 5 parties
Tal, Mikhail — 5 parties
Carlsen, Magnus — 3 parties
Smyslov, Vladimir — 2 parties
Kasparov, Garry — 1 partie
Karpov, Aleksandr — 1 partie
Karpov, Anatoly — 1 partie
Ding, Liren — 1 partie

Parties historiques

3.Nc3 — 37.7% (4171 parties)

1956 — Pithart, Frantisek vs Ujtelky, Maximilian — 0-1 — Podebrady CZE
1957 — Dunkelblum, Arthur vs Durão, Joaquim Manuel — 1-0 — Dublin IRL
1957 — Sandor, Bela vs Fuderer, Andrija — 1/2-1/2 — Budapest HUN
1958 — Argiles Perez, Jaime vs Panno, Oscar — 1/2-1/2 — Bogota COL
1958 — Madeira de Ley, Manuel vs Gadia, Olicio — 0-1 — Rio de Janeiro BRA

3.d4 — 34.9% (3858 parties)

1889 — Burille, Constant Ferdinand vs Blackburne, Joseph — 0-1 — New York, NY USA
1925 — Seitz, Jakob Adolf vs Steiner, Laszlo — 1-0 — Debrecen HUN
1927 — Roesch, Eugene J vs Whitaker, Norman — 0-1 — Kalamazoo
1953 — Hantke Rolf vs Deppe, Georg — 1-0 — Soest NED
1953 — Gandarias Geller, Marcos vs Hazard, Charly — 0-1 — Hollywood, CA

3.g3 — 20.0% (2217 parties)

1925 — Herzog, Franz vs Kraemer, Adolf — 0-1 — Braunau
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 Beaty, JH. — 1-0 — York ch-BCF

3.e4 — 6.5% (720 parties)

1956 — Mueffang, A vs Robatsch, Karl — 0-1 — ol Moscow RUS 04
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, Nikola — 0-1 — Sochi RUS
1973 — Poch, Cesar G. vs Campos Lopez, Mario — 1-0 — Buenos Aires ARG

	♔ 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	semi-ouvert
Ruptures	● c4-c5, ● d2-d3, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

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

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