C26a — Vienna: 2…Nf6

1.e4 e5 2.Nc3 Nf6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Atouts. Les Blancs s'appuient sur les cases fortes b5 et d5 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g1, les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nf3 (Développer Ng1) ; d3 (Libérer Bc1) ; Bd3 (Développer Bf1) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...Be7 (Développer Bf8) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v1)	—
Cases faibles	—	—
Centre	● d5 (2v1)	● d4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 5)
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 (b8, 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	fermé
Ruptures	● d2-d3, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5

Partie
1957 Danmarksmesterskabet – Round 6 – Haahr, Thorkild – 1/2-1/2 – Norman Hansen, Holger – G21 1. e4 e5 2. Nc3 Nf6 3. Be2 d5 4. exd5 Nxd5 5. Nf3 Nc6 6. O-O Be7 7. Re1 O-O 8. d4 Nxc3 9. bxc3 e4 10. Nd2 f5
1960 Ch - Campbell High S – Round 10 – Sangiacomo, J. – 0-1 – Blackstone, John – G10 1. e4 e5 2. Nc3 Nf6 3. Bb5 a6 4. Bc4 b5 5. Bxb5 axb5 6. Nxb5 Bb7 7. Qe2 Bxe4 8. Qc4 Nc6 9. Ne2 Bxg2 10. Rg1 Bd5
1963 Odense – Round 10 – Haahr, Thorkild – 1/2-1/2 – Brinck-Claussen, Bjorn – G37 1. e4 e5 2. Nc3 Nf6 3. Be2 Nc6 4. d3 d5 5. exd5 Nxd5 6. Bd2 Nxc3 7. Bxc3 Bb4 8. Bxb4 Nxb4 9. Nf3 Qd6 10. O-O O-O
2026 Tata Steel India Rapid - Round 8.4 - So, Wesley - 0-1 - Nihal Sarin - G39 1. e4 1... e5 2. Nc3 2... Nf6 3. d4 3... exd4 4. Qxd4 4... Nc6 5. Qd3 5... Bc5 6. Qg3 6... O-O 7. Bh6 7... Nh5 8. Qf3 8... Qh4 9. Be3?! 9... Ne5 10. Qe2 10... Nf4
FIDE Grand Swiss 2025 – Round 6 – Amin Bassem – 1-0 – Suyarov Mukhammadzokhid – G340 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bb4 6. Bd2 O-O 7. O-O-O d6 8. Qg3 Nh5 9. Qe3 Nf6 10. Qg3 Nh5
FIDE World Blitz Championship 2025 – Round 14 – Caruana Fabiano – 1-0 – Alexander Grischuk – G262 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. a4 Bd7 10. Re1 a6
FIDE World Blitz Championship 2025 – Round 15 – S.L. Narayanan – 1-0 – Movahed M. Kasra – G299 1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. c4 Bg7 5. cxd5 Nxd5 6. e4 Nb6 7. Nb3 O-O 8. Be2 a5 9. O-O a4 10. Nc5 N8d7
FIDE World Cup 2019 – Round 2.7 – Najer, Evgeniy – 0-1 – Giri, Anish – G293 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bb4 6. Ne2 O-O 7. a3 Be7 8. Bf4 d6 9. O-O-O Be6 10. Kb1 a6
Lindores Abbey Tal Memorial 2021 – Round 1.11 – Durarbayli, Vasif – 1-0 – Xiong, Jeffery – G3 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bb4 6. Bd2 O-O 7. O-O-O Re8 8. Nge2 d5 9. exd5 Ne5 10. Qd4 a5
Lindores Abbey Tal Memorial 2021 – Round 6.28 – Durarbayli, Vasif – 0-1 – Cheparinov, Ivan – G275 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 d5 6. Bg5 dxe4 7. Qxd8+ Nxd8 8. Bxf6 gxf6 9. Nxe4 Be7 10. O-O-O Be6
Saint Louis Rapid 2021 – Round 3.4 – Mamedyarov, Shakhriyar – 0-1 – Le, Quang Liem – G14 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bc5 6. Bf4 O-O 7. f3 d5 8. O-O-O d4 9. Nb1 Be6 10. a3 Qe7
Superbet Chess Classic Romania 2025 – Round 6 – Caruana Fabiano – 1/2-1/2 – Deac Bogdan-Daniel – G29 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qa4 Bc5 6. Nf3 d6 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bd7 10. O-O-O O-O
World Blitz 2019 – Round 11.5 – Ponkratov, Pavel – 0-1 – Matlakov, Maxim – G757 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qc4 Bb4 6. Bd2 O-O 7. O-O-O d6 8. f3 Re8 9. Qe2 a5 10. a3 Ne5
World Blitz 2021 – Round 21.51 – Bellahcene, Bilel – 1/2-1/2 – Howell, David W L – G1243 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bb4 6. Bd2 O-O 7. O-O-O d6 8. f3 Be6 9. Kb1 Re8 10. g4 d5
World Blitz 2023 – Round 14.33 – Orozbaev, Eldiyar – 0-1 – Dardha, Daniel – G808 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bb4 6. Bd2 O-O 7. O-O-O Re8 8. Nge2 d6 9. Bg5 h6 10. Bxf6 Qxf6
World Blitz 2023 – Round 3.23 – Amar, Elham – 1/2-1/2 – Pichot, Alan – G164 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bc5 6. Qg3 O-O 7. Be3 Bxe3 8. Qxe3 d5 9. O-O-O d4 10. Qf4 Qd6
World Rapid 2019 – Round 11.17 – Ponkratov, Pavel – 1-0 – Tregubov, Pavel V. – G694 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qc4 Bb4 6. Bd2 d6 7. O-O-O O-O 8. f3 a5 9. a3 Bc5 10. g4 Be6
World Rapid 2021 – Round 11.71 – Bellahcene, Bilel – 1-0 – Nguyen, Thai Dai Van – G678 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 d5 6. Bf4 dxe4 7. Qxd8+ Nxd8 8. Bxc7 Ne6 9. Be5 Ng4 10. Bg3 f5
World Rapid 2021 – Round 7.62 – Bellahcene, Bilel – 0-1 – Aditya Tari – G434 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bb4 6. Bd2 O-O 7. O-O-O Re8 8. f3 d6 9. a3 Bc5 10. Bg5 h6

C26a —

1.e4 e5 2.Nc3 Nf6

Eval: [+0.03]

Les coups candidats

3.f4 — 30.0% (12048 parties) →

Ambassadeurs : Brodie, Hugh (76x), Spielmann, Rudolf (48x), Steinitz, Wilhelm (43x), Hector, Jonny (43x), Kapfenstein, Armin (40x), ? (39x), Hromadka, Karel (35x), Blackburne, Joseph (29x)

3.Bc4 — 27.5% (11076 parties) →

Ambassadeurs : Mieses, Jacques (60x), Alekhine, Alexander (52x), Adams, Weaver (32x), Barry Bertomeu, Enrique (30x), Wibe, Terje (30x), Srebrnic, Vojko (29x), Zednik, Martin (28x), Van Daatselaar, Jan Bart (25x)

3.Nf3 — 19.6% (7892 parties) →

Ambassadeurs : Jovanovic, Bratislav M (106x), Simmelink, Joop Theo (30x), Charpentier, Denis (28x), keiserpaul (26x), Hector, Jonny (21x), Janev, Evgeni (16x), Tartakower, Savielly (14x), Philippy Marco (14x)

3.g3 — 18.9% (7599 parties) →

Ambassadeurs : Sazon, Adam (53x), Krivec, Jana (46x), Milde, Lars (42x), Finkel, Alexander (34x), Mamedov, Rauf (28x), Mieses, Jacques (24x), Lu, Shanglei (24x), Rahls, Peter (24x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3.f4	3.Bc4	3.Nf3	3.g3
<1800	1990	32%	31%	22%	12%
1800-2200	14164	32%	28%	18%	18%
2200-2600	9573	21%	26%	18%	31%
2600+	364	14%	19%	9%	49%

Évolution par décennie (% des parties)

Décennie	N parties	3.f4	3.Bc4	3.Nf3	3.g3
1840s	4	—	100%	—	—
1850s	9	78%	11%	11%	—
1860s	19	79%	21%	—	—
1870s	21	100%	—	—	—
1880s	130	71%	3%	12%	13%
1890s	225	49%	17%	12%	20%
1900s	365	39%	39%	15%	7%
1910s	261	54%	33%	9%	4%
1920s	320	53%	31%	14%	1%
1930s	155	55%	28%	16%	1%
1940s	196	37%	46%	15%	1%
1950s	264	45%	40%	12%	1%
1960s	578	31%	37%	12%	19%
1970s	1023	35%	26%	12%	25%
1980s	1757	35%	22%	11%	28%
1990s	7424	31%	26%	21%	19%
2000s	12328	31%	28%	22%	15%
2010s	11661	25%	28%	22%	22%
2020s	3468	28%	25%	14%	20%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3.f4	25%	28%	▲ +3.6%
3.Bc4	28%	25%	▼ -2.6%
3.Nf3	22%	14%	▼ -7.2%
3.g3	22%	20%	▼ -2.3%

Joueurs célèbres

Champions du monde dans cette position

Steinitz, Wilhelm — 10 parties
Lasker, Emanuel — 10 parties
Alekhine, Alexander — 10 parties
Euwe, Max — 10 parties
Smyslov, Vladimir — 10 parties
Hou, Yifan — 10 parties
Kramnik, Vladimir — 9 parties
Ding, Liren — 6 parties
Anand, Viswanathan — 5 parties
Karpov, Anatoly — 4 parties
Carlsen, Magnus — 4 parties
Ju, Wenjun — 3 parties
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 2 parties
Karpov, Aleksandr — 2 parties
Fischer, Robert James — 1 partie

Parties historiques

3.f4 — 30.0% (12048 parties)

1851 — Von Jaenisch, C. vs Staunton, H. — 0-1 — London ENG
1856 — Lange, Max vs Von Alvensleben, Wol — 1-0 — Schonebeck
1856 — Loewenthal, Johann vs Barnes, Thomas — 0-1 — London m2 London ENG
1856 — Loewenthal, Johann vs Staunton, J. — 0-1 — London London ENG
1858 — Guretsky Cornitz, B vs Erenpreiss, Pauls — 1/2-1/2 — cr.

3.Bc4 — 27.5% (11076 parties)

1846 — Hamppe, Carl vs Loewenthal, Johann — 0-1 — Germany m
1846 — Hamppe, Carl vs Loewenthal, Johann — 0-1 — Germany m
1849 — Hamppe, Carl vs Loewenthal, Johann — 0-1 — Vienna AUT
1849 — Hamppe, Carl vs Falkbeer, Ernest — 0-1 — Vienna AUT
1858 — Falkbeer, Ernest vs Lowenthal, Johann — 1-0 — Birmingham ENG

3.Nf3 — 19.6% (7892 parties)

1857 — Paulsen, Louis vs Raphael, Benjamin — 1/2-1/2 — New York, NY USA
1882 — Winawer, Szymon vs Blackburne, Joseph — 0-1 — Vienna Vienna AUT
1883 — Rosenthal, Samuel vs Skipworth, Arthur — 1-0 — London ENG
1886 — Pollock, Alwyn vs Burn, Allan — 1-0 — London ENG
1887 — Fritz, Alexander vs Taubenhaus, Jean — 0-1 — Frankfurt GER

3.g3 — 18.9% (7599 parties)

1887 — Burn, Allan vs Rynd — 0-1 — Liverpool
1887 — Mieses, Jacques vs Von Scheve, Theodor — 0-1 — Berlin GER
1887 — Hoffer, Leopold vs Zukertort, Johannes — 1-0 — London ENG
1887 — Gottschall, Hermann vs Fritz, Alexander — 1-0 — Frankfurt GER
1887 — Burn, Amos vs Skipworth, Arthur — 1-0 — match

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C26a — Vienna: 2…Nf6

♔ Point de vue Blancs

♚ Point de vue Noirs

1957 Danmarksmesterskabet – Round 6 – Haahr, Thorkild – 1/2-1/2 – Norman Hansen, Holger – G21

1960 Ch – Campbell High S – Round 10 – Sangiacomo, J. – 0-1 – Blackstone, John – G10

1963 Odense – Round 10 – Haahr, Thorkild – 1/2-1/2 – Brinck-Claussen, Bjorn – G37

2026 Tata Steel India Rapid – Round 8.4 – So, Wesley – 0-1 – Nihal Sarin – G39

FIDE Grand Swiss 2025 – Round 6 – Amin Bassem – 1-0 – Suyarov Mukhammadzokhid – G340

FIDE World Blitz Championship 2025 – Round 14 – Caruana Fabiano – 1-0 – Alexander Grischuk – G262

FIDE World Blitz Championship 2025 – Round 15 – S.L. Narayanan – 1-0 – Movahed M. Kasra – G299

FIDE World Cup 2019 – Round 2.7 – Najer, Evgeniy – 0-1 – Giri, Anish – G293

Lindores Abbey Tal Memorial 2021 – Round 1.11 – Durarbayli, Vasif – 1-0 – Xiong, Jeffery – G3

Lindores Abbey Tal Memorial 2021 – Round 6.28 – Durarbayli, Vasif – 0-1 – Cheparinov, Ivan – G275

Saint Louis Rapid 2021 – Round 3.4 – Mamedyarov, Shakhriyar – 0-1 – Le, Quang Liem – G14

Superbet Chess Classic Romania 2025 – Round 6 – Caruana Fabiano – 1/2-1/2 – Deac Bogdan-Daniel – G29