A25c — English: Closed

1.c4 e5 2.Nc3 Nc6 3.g3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte b5, case forte d5, paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, libère Bf1
● Nf3 — Développer Ng1
● d3 — Libérer Bc1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte b4, case forte d4, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nf6 — Développer Ng8
● ...Be7 — Développer Bf8
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A25c — Closed

1.c4 e5 2.Nc3 Nc6 3.g3

Eval: [+0.23]

Les coups candidats

3…g6 — 46.2% (9842 parties) →

Ambassadeurs : Miezis, Normunds (37x), Hort, Vlastimil (31x), Cvetkovic, Srdjan (31x), Browne, Walter Shawn (26x), Jussupow, Artur (26x), Suba, Mihai (23x), Löschnauer, Rüdiger (22x), Taimanov, Mark (21x)

3…f5 — 17.9% (3813 parties) →

Ambassadeurs : Lyell, Mark (19x), Kurajica, Bojan (14x), Pech, Jaroslav Jr (12x), Moody, David W (11x), Starr, Nava (8x), Hauge, Lars Oskar (8x), Mitkov, Nikola (7x), Miezis, Normunds (7x)

3…Nf6 — 14.8% (3164 parties) →

Ambassadeurs : Vetter, Udo (26x), Thys, Hugo (7x), Moody, David W (6x), Markova, Stanislava (6x), Repka, Christopher (6x), Miezis, Normunds (6x), Moran, Richard C. (6x), Grabher, Heinz (5x)

3…Bc5 — 9.4% (2008 parties)

Ambassadeurs : Miezis, Normunds (12x), Fedorchuk, Sergey A. (11x), Hjorth, Jesper (11x), Kantans, Toms (10x), Vallejo Pons, Francisco (9x), Damljanovic, Branko (9x), Contin, Daniel (7x), Movsesian, Sergei (7x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3…g6	3…f5	3…Nf6	3…Bc5
<1800	775	26%	22%	26%	12%
1800-2200	8111	42%	22%	16%	9%
2200-2600	7156	54%	16%	10%	10%
2600+	212	64%	8%	4%	19%

Évolution par décennie (% des parties)

Décennie	N parties	3…g6	3…f5	3…Nf6	3…Bc5
1880s	1	—	100%	—	—
1900s	3	—	—	100%	—
1910s	2	50%	—	50%	—
1920s	25	40%	12%	24%	8%
1930s	77	57%	10%	21%	5%
1940s	51	53%	14%	12%	6%
1950s	131	53%	19%	11%	2%
1960s	397	65%	14%	3%	3%
1970s	653	66%	13%	6%	2%
1980s	1244	66%	14%	7%	1%
1990s	3942	57%	15%	12%	4%
2000s	5872	46%	18%	17%	7%
2010s	7626	37%	20%	17%	15%
2020s	1291	33%	22%	13%	21%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3…g6	37%	33%	▼ -4.6%
3…f5	20%	22%	▲ +2.1%
3…Nf6	17%	13%	▼ -3.9%
3…Bc5	15%	21%	▲ +5.4%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 10 parties
Karpov, Anatoly — 10 parties
Botvinnik, Mikhail — 8 parties
Kasparov, Garry — 7 parties
Karpov, Aleksandr — 7 parties
Anand, Viswanathan — 6 parties
Gukesh D — 6 parties
Tal, Mikhail — 4 parties
Euwe, Max — 3 parties
Lasker, Emanuel — 3 parties
Alekhine, Alexander — 2 parties
Kramnik, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Carlsen, Magnus — 2 parties
Steinitz, Wilhelm — 1 partie
Fischer, Robert James — 1 partie
Ding, Liren — 1 partie

Parties historiques

3…g6 — 46.2% (9842 parties)

1912 — Carls, Carl vs Spielmann, Rudolf — 1-0 — Breslau GER
1922 — Antze, Oskar vs Gomez Gruber, Maria Gabriela — 1-0 — Bad Oeynhausen GER
1922 — Alekhine, Alexander vs Tarrasch, Siegbert — 1-0 — Vienna AUT
1922 — Steinitz, Wilhelm vs Lasker, Emanuel — 1/2-1/2 — New York, NY USA
1923 — Colle, Edgar vs Mieses, Jacques — 1-0 — Hastings ENG

3…f5 — 17.9% (3813 parties)

1889 — Bird, Henry vs Martinez, Dion M — 0-1 — New York, NY USA
1920 — De Koning Fok vs Lasker, Emanuel — 1/2-1/2 — Amsterdam NED
1921 — Carls, Carl vs John Wade Wec-Nyin — 0-1 — Hamburg GER
1922 — Hilse, Wilhelm H vs Post, Erhard — 0-1 — Bad Oeynhausen GER
1931 — Kirillov, Vladimir vs Alatortsev, Vladimir N. — 1/2-1/2 — Moskou ch-URS

3…Nf6 — 14.8% (3164 parties)

1901 — Blackburne, Joseph vs Marshall, Frank — 1-0 — Monte Carlo MNC
1905 — Levitsky, Stepan vs Cigorin, Michael Ivanovic — 0-1 — St Petersburg RUS
1905 — Mieses, Jacques vs Chigorin, Mikhail — 0-1 — Barmen GER
1912 — Carls, Carl vs Barasz, Zsigmond — 1/2-1/2 — Breslau GER
1920 — John, Walter vs Berndtsson, Karl — 1/2-1/2 — Goteborg SWE

3…Bc5 — 9.4% (2008 parties)

1920 — Aalheim, T. vs Bjurulf, SJ. — 1-0 — Goteborg SWE
1925 — Nimzowitsch, Aron vs Alekhine, Alexander — 0-1 — Baden-Baden GER
1934 — Koshnitsky, Gregory vs Purdy, Cecil J S — 1-0 — Sydney AUS
1937 — Ozols, Karlis vs Cuero Reid, Maximo Javier — 1-0 — Stockholm SWE
1937 — Ozols, Karlis vs Peter Reid — 1-0 — Stockholm ol

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	—
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	5 (g1, c1, f1, a1, h1)	5 (g8, c8, f8, 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, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e5-e4, ● …f7-f6, ● …f7-f5

Partie
11. Tal Mem Rapid 2018 – Round 1.2 – Svidler, Peter – 1/2-1/2 – Nepomniachtchi, Ian – G2 1. c4 e5 2. g3 Nc6 3. Nc3 Bb4 4. Bg2 Nge7 5. Nd5 Bc5 6. Nf3 O-O 7. O-O d6 8. e3 a6 9. b3 Bg4 10. h3 Bh5
19. European Teams 2013 – Round 2.13 – Grant, Jonathan I M – 1/2-1/2 – Indjic, Aleksandar – G66 1. c4 e5 2. g3 Nc6 3. Nc3 Bc5 4. Bg2 d6 5. Nf3 a6 6. d3 Ba7 7. Bd2 Bf5 8. O-O Qd7 9. Nd5 Nge7 10. Bc3 h5
1923 Scheveningen – Round 3 – Speijer, Abraham – 1-0 – Znosko-Borovsky, Eugene – G34 1. c4 e5 2. Nc3 Nc6 3. g3 a6 4. Bg2 Bc5 5. d3 d6 6. Nf3 h6 7. Ne4 Ba7 8. Be3 Nge7 9. Bxa7 Nxa7 10. Nc3 Nac6
1925 Baden-Baden – Round 1 – Nimzowitsch, Aron – 0-1 – Alekhine, Alexander – G10 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 Nge7 6. a3 a5 7. Nge2 O-O 8. d4 Bb6 9. O-O Bd7 10. b3 Qc8
1937 Stockholm – Round 1 – Ozols, Karlis – 1-0 – Cuero Reid, Maximo Javier – G1 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 Nf6 6. Nge2 Be6 7. Nd5 Nb4 8. Nxb4 Bxb4 9. Qa4+ 1-0
1947 Vienna SCHLECHTER-mem – Round 1 – Kottnauer, Cenek – 1-0 – Lokvenc, Josef – G1 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 Bf5 6. d3 Nf6 7. Nge2 Qd7 8. d4 Bb6 9. d5 Ne7 10. h3 h6
1948 South Fallsburg ch-USA – Round 1 – Poschel, Paul – 1/2-1/2 – Platz, Joseph – G3 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 Nb4 6. d3 Bf5 7. e4 Be6 8. Nge2 Qd7 9. O-O Bh3 10. d4 exd4
1952 Helsinki olm – Round 1 – Golombek, Harry – 1-0 – Planas Garcia, Francisco – G2 1. c4 e5 2. Nc3 Nc6 3. g3 b6 4. Bg2 Bb7 5. Nh3 Na5 6. Bxb7 Nxb7 7. f4 exf4 8. Nxf4 Nf6 9. e4 h6 10. O-O Be7
1952 Toronto Ch – Round 4 – Sarosy, Zoltan L – 1-0 – Avery, Peter – G7 1. c4 e5 2. Nc3 Nc6 3. g3 b6 4. Bg2 Bb7 5. Nf3 d6 6. O-O f5 7. d4 e4 8. Ng5 Qf6 9. Nd5 Qd8 10. Ne6 Qd7
1954 Hungary Ch – Round 1 – Koberl, Ferenc – 1-0 – Tapaszto Binet, Laszlo – G2 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 Bf5 6. d3 Nge7 7. Nge2 Qd7 8. h3 h5 9. a3 Bb6 10. b4 a5
1959 DEN Ch – Round 3 – Larsen, Bent Ravn – 1-0 – Haahr, Thorkild – G11 1. c4 e5 2. Nc3 Nc6 3. g3 Be7 4. Bg2 d6 5. d3 f5 6. f4 exf4 7. gxf4 Nf6 8. Nf3 O-O 9. O-O Kh8 10. Bd2 Be6
1963 Bath ch-BCF – Round 4 – Cafferty, Bernard – 1-0 – Firth, Malcolm – G35 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Nf3 Be7 5. d4 exd4 6. Nxd4 Nxd4 7. Qxd4 Nf6 8. Bg2 c6 9. O-O O-O 10. b3 Qb6
1964 Hoogovens-B – Round 1 – Kramer, Haije – 1/2-1/2 – Bergsma, KM. – G1 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 Nge7 6. Nge2 O-O 7. O-O a6 8. a3 Bf5 9. d4 Ba7 10. d5 Na5
1969 Spartak Ch – Round 1 – Petrosian, Arshak B – 1-0 – Katalymov, Boris – G2 1. c4 e5 2. Nc3 Nc6 3. g3 h5 4. Nf3 Be7 5. d4 exd4 6. Nxd4 h4 7. g4 Bf6 8. e3 Nge7 9. Bg2 h3 10. Be4 Ne5
3. Norway Chess 2015 – Round 9.4 – Aronian, Levon – 0-1 – Nakamura, Hikaru – G43 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 a6 6. Nge2 Ba7 7. a3 h5 8. d4 h4 9. b4 Nge7 10. c5 Bf5
4. Final Masters 2011 – Round 2 – Ivanchuk, Vasyl – 1-0 – Vallejo Pons, Francisco – G3 1. c4 e5 2. g3 Nc6 3. Nc3 Bc5 4. e3 d6 5. Bg2 a6 6. d3 Ba7 7. Rb1 Bf5 8. b4 Qc8 9. h3 Nge7 10. Nge2 O-O
4. Final Masters 2011 – Round 5 – Nakamura, Hikaru – 1-0 – Vallejo Pons, Francisco – G10 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 a6 5. e3 d6 6. Nge2 Nge7 7. b3 Ba7 8. Bb2 Rb8 9. d3 Bf5 10. Qd2 Qd7
FIDE World Blitz Championship 2014 – Round 19.8 – Aronian, Levon – 1-0 – Polgar, Judit – G189 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 Nge7 5. e3 a6 6. Nge2 d6 7. O-O O-O 8. b3 Ba7 9. h3 Be6 10. d4 exd4
FIDE World Cup 2015 – Round 3.6 – Nepomniachtchi, Ian – 1-0 – Nakamura, Hikaru – G364 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 a6 6. Nge2 Nge7 7. a3 h5 8. h3 Ba7 9. b4 h4 10. g4 f5
GCT Blitz YourNextMove 2017 – Round 1.5 – Ivanchuk, Vasyl – 0-1 – Nepomniachtchi, Ian – G5 1. c4 e5 2. g3 Nc6 3. Nc3 Bb4 4. Nd5 Bc5 5. Bg2 Nge7 6. e3 O-O 7. Ne2 Nxd5 8. cxd5 Ne7 9. O-O d6 10. d4 exd4
World Blitz 2015 – Round 3.79 – Teske, Henrik – 1-0 – Fedorchuk, Sergey A. – G205 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 a6 5. e3 d6 6. Nge2 h5 7. d4 Ba7 8. Bxc6+ bxc6 9. dxe5 h4 10. exd6 cxd6
World Blitz 2015 – Round 5.78 – Petursson, Margeir – 1-0 – Fedorchuk, Sergey A. – G335 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 a6 6. Nge2 Ba7 7. Rb1 h5 8. h4 Nf6 9. b4 Be6 10. Nd5 Rb8
World Blitz 2017 – Round 5.33 – Howell, David W L – 1/2-1/2 – Ponomariov, Ruslan – G258 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 a6 5. e3 d6 6. Nf3 Nf6 7. O-O O-O 8. h3 Ba7 9. d4 h6 10. dxe5 dxe5
World Blitz 2018 – Round 11.33 – Popov, Valerij – 1-0 – Khismatullin, Denis – G653 1. c4 e5 2. g3 Nc6 3. Nc3 Bc5 4. Bg2 d6 5. e3 a6 6. Nge2 Ba7 7. d4 h5 8. b4 h4 9. Bb2 exd4 10. exd4 Nf6
World Blitz 2018 – Round 14.68 – Drygalov, Andrey – 0-1 – Khismatullin, Denis – G861 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 h5 6. h4 a6 7. Nge2 Ba7 8. d4 Nf6 9. O-O O-O 10. dxe5 Nxe5
World Blitz 2019 – Round 10.35 – Guseinov, Gadir – 0-1 – Nihal Sarin – G682 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 a6 5. e3 d6 6. Nge2 Ba7 7. O-O h5 8. d4 h4 9. c5 hxg3 10. hxg3 Nge7
World Rapid 2019 – Round 1.13 – Duda, Jacob – 1-0 – Vavulin, Maxim – G6 1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 Nge7 5. e3 d6 6. Nge2 Bf5 7. a3 a5 8. O-O Qd7 9. d4 Bb6 10. Nd5 Nxd5

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