A25f — English: Closed

1.c4 e5 2.Nc3 Nc6 3.e3 Nf6 * ○ Trait aux Blancs

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, arriéré d2, 5 pièces non développées (G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● d3 — Libérer Bc1
● Bd3 — Développer Bf1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte b4, paire de fous.
Faiblesses adverses : arriéré d2, Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 4 pièces non développées (C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Be7 — Développer Bf8
● ...d5 — Rupture
● ...e4 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A25f — Closed

1.c4 e5 2.Nc3 Nc6 3.e3 Nf6

Eval: [-0.10]

Les coups candidats

4.Nf3 — 38.3% (582 parties) →

Ambassadeurs : Suba, Mihai (7x), Jung, Reiner (6x), Zhak, Boris (5x), Rodgaard, John (5x), Sodomski, Andrzej (5x), Rakhmanov, Aleksandr (5x), Adamski, Jan (4x), Miles, Anthony J (4x)

4.a3 — 24.1% (367 parties)

Ambassadeurs : Malakhatko, Vadim (20x), Kostanjsek, Zorko (6x), Dgebuadze, Alexandre (5x), Safari Nejad, Reza (5x), Cvek, Robert (5x), Milov, Vadim (4x), Korchnoi, Viktor (3x), Badea, Bela (3x)

4.d4 — 15.7% (239 parties)

Ambassadeurs : Al Kaoury, Mahdi (7x), Drobyshevsky, Vasily Vasilievich (4x), Rakhmanov, Aleksandr (3x), ? (2x), Mottershead, Richard (2x), Biro, Karol (2x), Rodriguez Matas, Enrique (2x), Al Ayash, Rawad (2x)

4.d3 — 5.0% (76 parties)

Ambassadeurs : Timofeev, Artyom (10x), Pinzon, Jairo David (3x), Moehring, Guenther (2x), Westerman, Marco (2x), Becerra, Andres Mauricio (2x), Bilek, Istvan (1x), Borloy, Karoly (1x), Rios Fo., Hilton Carlos da Silva (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.Nf3	4.a3	4.d4	4.d3
<1800	73	18%	22%	27%	10%
1800-2200	402	41%	17%	21%	4%
2200-2600	625	45%	34%	6%	4%
2600+	61	21%	38%	5%	8%

Évolution par décennie (% des parties)

Décennie	N parties	4.Nf3	4.a3	4.d4	4.d3
1850s	2	—	—	50%	—
1870s	3	100%	—	—	—
1880s	2	100%	—	—	—
1900s	6	33%	—	50%	—
1920s	2	50%	—	—	—
1930s	5	60%	—	40%	—
1940s	2	50%	—	—	—
1950s	2	50%	—	—	50%
1960s	6	67%	33%	—	—
1970s	35	66%	9%	14%	3%
1980s	72	68%	18%	1%	4%
1990s	211	29%	23%	20%	6%
2000s	344	30%	22%	22%	6%
2010s	633	38%	29%	15%	5%
2020s	195	45%	22%	9%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.Nf3	38%	45%	▲ +6.7%
4.a3	29%	22%	▼ -6.5%
4.d4	15%	9%	▼ -5.3%
4.d3	5%	4%	▼ -1.5%

Joueurs célèbres

Champions du monde dans cette position

Carlsen, Magnus — 4 parties
Kasparov, Garry — 3 parties
Steinitz, Wilhelm — 1 partie
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
Gukesh D — 1 partie

Parties historiques

4.Nf3 — 38.3% (582 parties)

1873 — Steinitz, Wilhelm vs Adolf, Feraydo — 1-0 — Vienna AUT
1875 — Owen, John vs Burn, Amos — 0-1 — Liverpool
1877 — Paulsen, Louis vs Englisch, Berthold — 1-0 — Leipzig GER
1880 — Zukertort, Johannes vs Rosenthal, Samuel — 1-0 — London ENG
1883 — McKenzie, George vs Rosenthal, Samuel — 1/2-1/2 — London ENG

4.a3 — 24.1% (367 parties)

1962 — Veizaj, Mendim vs Navabi, Abdolhossein — 1-0 — Varna BUL
1966 — Overweg, Danny vs Timman, Jan H — 1-0 — Delft ch-NED jr
1975 — Lebredo Zaragoitia, Gerardo vs Diaz, Joaquin, Dr. — 1/2-1/2 — Cienfuegos City CUB
1975 — Andersen, Borge vs Iskov, Gert — 0-1 — Copenhagen DEN
1976 — Castro Celorio, Ashley Krisstel vs Wozney, Tom — 0-1 — Cleveland-Miami Phn

4.d4 — 15.7% (239 parties)

1854 — Brien, Robert vs Janssens, Franciscus G — 1/2-1/2 — London ENG
1904 — Swiderski, Radoslaw vs Suechting, Hugo — 0-1 — Coburg
1905 — Von Bardeleben, C. vs Suchting, H. — 1-0 — Barmen GER
1908 — Fluss, G. vs ? — 1-0 — Budapest HUN
1932 — Elstner, Rudolf vs Koch, Berthold — 0-1 — Berlin GER

4.d3 — 5.0% (76 parties)

1958 — Bilek, Istvan vs Borloy, Karoly — 1-0 — Budapest HUN
1979 — Moehring, Guenther vs Zaitsev, Igor A — 0-1 — Sochi RUS
1984 — Moskalenko, Viktor vs Vainerman, Igor — 1/2-1/2 — Kharkov UKR
1987 — Rios Fo., Hilton Carlos da Silva vs Rosa, Carlos Roberto de Jesus — 1/2-1/2 — Rio de Janeiro BRA
1987 — Moehring, Guenther vs Strzelecki, Krzysztof — 1/2-1/2 — Olomouc CZE

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● d2	—
Chaînes	● d2→e3, f2→e3	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v1)	● b4 (2v0)
Cases faibles	—	—
Centre	● d5 (2v1)	● d4 (2v1), ● 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)	4 (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, ● e3-e4, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e5-e4

Partie
1902 DSB-13.Kongress Hauptturnier A – Round 1 – Neumann, Augustin – 0-1 – John, Walter – G1 1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. b3 d5 5. cxd5 Nxd5 6. Bb5 Nxc3 7. Bxc6+ bxc6 8. dxc3 Qxd1+ 9. Kxd1 Bf5 10. Ke1 a5
1904 DSB-14.Kongress – Round 4 – Swiderski, Radoslaw – 0-1 – Suechting, Hugo – G16 1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. d4 exd4 5. exd4 d5 6. Bg5 Be7 7. Nf3 dxc4 8. Bxc4 O-O 9. h3 h6 10. Be3 Bd6
1921 BCF Ch 14th – Round 2 – Jacobs, Herbert Levi – 0-1 – Yates, Fred Dewhirst – G1 1. e3 e5 2. c4 Nc6 3. Nc3 Nf6 4. Nge2 d5 5. cxd5 Nb4 6. d4 Bf5 7. Qa4+ c6 8. dxc6 bxc6 9. Ng3 Bc2 10. b3 exd4
1932 Berlin Ch – Round 9 – Elstner, Rudolf – 0-1 – Koch, Berthold – G24 1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. d4 exd4 5. exd4 Bb4 6. Nf3 d5 7. Be2 dxc4 8. O-O O-O 9. Bg5 Bg4 10. Bxc4 Be7
1958 HUN Ch 13th – Round 12 – Bilek, Istvan – 1-0 – Borloy, Karoly – G98 1. c4 Nc6 2. Nc3 e5 3. e3 Nf6 4. d3 d5 5. cxd5 Nxd5 6. Nf3 Bb4 7. Bd2 O-O 8. Qc2 Re8 9. Be2 Nb6 10. a3 Bf8
40. Olympiad Open 2012 – Round 1.10 – Short, Nigel D – 1-0 – Simonet, Marc – G6 1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. a3 g6 5. d4 Bg7 6. Be2 exd4 7. exd4 d5 8. cxd5 Nxd5 9. Nf3 h6 10. Qb3 Nce7
82. Tata Steel GpA 2020 – Round 1.1 – Carlsen, Magnus – 1/2-1/2 – Giri, Anish – G1 1. c4 Nf6 2. Nc3 e5 3. e3 Nc6 4. Qb3 g6 5. Nf3 Bg7 6. d4 exd4 7. exd4 O-O 8. Be2 d6 9. O-O Re8 10. h3 Ne4
Amber-rapid 13th 2004 – Round 5 – Morozevich, Alexander – 0-1 – Gelfand, Boris – G12 1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. a3 g6 5. b4 Bg7 6. Bb2 O-O 7. Nge2 d6 8. Nd5 Ne7 9. Nxf6+ Bxf6 10. Nc3 Bg7
Amber-rapid 3rd 1994 – Round 9 – Korchnoi, Viktor – 1-0 – Seirawan, Yasser – G48 1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. d3 d5 5. cxd5 Nxd5 6. a3 Be7 7. Qc2 O-O 8. Nf3 Be6 9. Be2 Qd7 10. Ne4 f6
Candidats Tournament 1985 – Round 15 – Korchnoi, Viktor – 1/2-1/2 – Chernin, Alexander – G90 1. c4 Nf6 2. Nc3 e5 3. e3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. Qc2 Nxc3 7. dxc3 Bd6 8. e4 Be6 9. Nf3 f6 10. Be3 Qe7
FIDE World Cup 2025 – Round R2 Classical 1 – Karthik Venkataraman – 1/2-1/2 – Aravindh Chithambaram VR. – G235 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Nf3 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 O-O 8. e3 Bf5 9. Qb3 Bxc3+ 10. Qxc3 g5
FIDE World Rapid Championship 2025 – Round 12 – Abdusattorov Nodirbek – 1/2-1/2 – Samuel Sevian – G228 1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. Qb3 Bc5 5. Nf3 d6 6. d3 O-O 7. Be2 a6 8. O-O Ba7 9. a3 Re8 10. Qc2 Ne7
GCT Blitz Croatia 2021 – Round 7.4 – Kasparov, Garry – 0-1 – Giri, Anish – G34 1. c4 Nf6 2. Nc3 e5 3. e3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. Qc2 Nxc3 7. bxc3 Qd6 8. Bd3 Be6 9. Rb1 O-O-O 10. Be2 g5
GCT Blitz YourNextMove 2017 – Round 12.3 – Carlsen, Magnus – 1-0 – Vachier-Lagrave, Maxime – G58 1. c4 e5 2. e3 Nf6 3. Nc3 Nc6 4. g4 Bb4 5. g5 Bxc3 6. bxc3 Ng8 7. d4 Qxg5 8. d5 Nd8 9. d6 c6 10. Nf3 Qf5
Madrid 1993 – Round 8 – Rivas Pastor, Manuel – 0-1 – Anand, Viswanathan – G33 1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. a3 g6 5. b4 Bg7 6. Bb2 O-O 7. d3 d5 8. cxd5 Nxd5 9. Nge2 Nb6 10. g3 Bf5
SportAccord Blitz Men 2012 – Round 4.3 – Morozevich, Alexander – 0-1 – Karjakin, Sergey – G25 1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. a3 g6 5. d3 Bg7 6. Nf3 O-O 7. Be2 d5 8. cxd5 Nxd5 9. Bd2 a5 10. O-O Be6
Superbet Classic 2021 – Round 7.5 – Lupulescu, Constantin – 1/2-1/2 – Deac, Bogdan-Daniel – G33 1. c4 Nf6 2. Nc3 e5 3. e3 Nc6 4. a3 g6 5. d4 exd4 6. exd4 d5 7. Bg5 Be7 8. Nf3 O-O 9. Be2 Be6 10. cxd5 Bxd5
Tata Steel , Wijk aan Zee 2013 – Round 3.2 – Turov, Maxim – 0-1 – Naiditsch, Arkadij – G4 1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. Qc2 Nxc3 7. Qxc3 Bd6 8. b4 O-O 9. Bb2 a6 10. Nf3 Qe7
Turin ol (Men) 37th 2006 – Round 7 – Harikrishna, Pentala – 0-1 – Karjakin, Sergey – G86 1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. Qc2 Nxc3 7. bxc3 Bd6 8. d4 O-O 9. Bb2 Qe7 10. Nf3 b6
World Blitz 2018 – Round 16.53 – Rakhmanov, Aleksandr – 1/2-1/2 – Frolyanov, Dmitry – G971 1. c4 Nf6 2. Nc3 e5 3. e3 Nc6 4. d4 Bb4 5. Ne2 exd4 6. exd4 O-O 7. a3 Bxc3+ 8. Nxc3 d5 9. cxd5 Nxd5 10. Be2 Be6
World Blitz 2018 – Round 3.6 – Indjic, Aleksandar – 0-1 – Karjakin, Sergey – G188 1. c4 Nf6 2. Nc3 e5 3. e3 Nc6 4. g4 h6 5. Bg2 d6 6. h3 g6 7. Nge2 Bg7 8. d4 O-O 9. O-O Re8 10. d5 Nb8
World Blitz 2019 – Round 16.44 – Timofeev, Artyom – 1-0 – Jumabayev, Rinat – G1088 1. c4 e5 2. e3 Nf6 3. Nc3 Nc6 4. d3 d5 5. cxd5 Nxd5 6. Nf3 Be7 7. Be2 O-O 8. O-O Be6 9. a3 a5 10. Bd2 Nb6
World Rapid 2019 – Round 11.57 – Makarian, Rudik – 0-1 – Paravyan, David – G733 1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. Qc2 Nxc3 7. Qxc3 Bd6 8. d3 O-O 9. Nf3 Qf6 10. Be2 Qg6
XX SuperGM 2003 – Round 10 – Vallejo Pons, Francisco – 1/2-1/2 – Kramnik, Vladimir – G28 1. c4 Nf6 2. Nc3 e5 3. e3 Nc6 4. a3 g6 5. d4 exd4 6. exd4 Bg7 7. Nf3 d5 8. Bg5 h6 9. Qe2+ Kf8 10. Be3 Kg8

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