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-d4, ● f2-f4 ● …d7-d5

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
bR
bN
bB
bQ
bK
bB
bR
bP
bP
bP
bP
bP
bP
bP
bN
Case forte (2v0)
Case forte (2v1)
bP
wPPion central
wN
wP
wP
wP
wP
wP
wP
wP
wR
wB
wQ
wK
wBFou actif — mobilité 5
wN
wR
abcdefgh
Plans. f4 (Attaque à l'aile roi — 29 % des parties) ; Bc4 (Fou actif (mobilité 9), Développer f1 — 27 % des parties) ; Nf3 (Développer g1 — 20 % des parties) ; g3 (Préparer le fianchetto — 19 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wN
wB
wK
wQ
wB
wR
wP
wP
wP
wP
wP
wP
wP
wN
wP
bP
bN
bP
bP
bP
bP
bP
bP
bP
bR
bBFou actif — mobilité 5
bK
bQ
bB
bN
bR
hgfedcba
Plans. ...Nc6 (Développer b8 — 31 % des parties) ; ...d5 (Occuper le centre — 29 % des parties) ; ...Bc5 (Fou actif (mobilité 9), Développer f8 — 14 % des parties) ; ...d6 (Libérer Bc8 — 7 % des parties) ; ...Nxe4 (Cavalier centralisé en e4 — 6 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
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 13 – Amar Elham – 1-0 – Giri Anish – G260
1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bb4 6. Ne2 O-O 7. Bg5 h6 8. Bh4 Be7 9. f4 d6 10. O-O-O Nb4
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 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 — Falkbeer Variation (1957)
1.e4 e5 2.Nc3 Nf6
Les coups candidats
Ambassadeurs : Brodie, Hugh (76x), Hector, Jonny (42x), Kapfenstein, Armin (36x), Mallahi, Amir (24x), Morales Pecino, Benito (21x), ? (18x), Antal, Gergely (17x), Jilemnicka, Jana (16x)
Ambassadeurs : Barry Dickson (33x), Wibe, Terje (28x), Van Daatselaar, Jan Bart (27x), Zednik, Martin (25x), Buchnicek, Petr (22x), Czudek, Bohuslav (22x), Lanzani, Paolo (22x), Robertshaw, Andrew M Dr (21x)
Ambassadeurs : Jovanovic, Bratislav M (107x), Simmelink, Joop Theo (30x), Charpentier, Denis (26x), Hector, Jonny (21x), keiserpaul (20x), Janev, Evgeni (19x), Lemmers, Oscar (16x), Rogulj, Branko (14x)
Ambassadeurs : Krivec, Jana (41x), Milde, Lars (39x), Finkel, Alexander (33x), Mamedov, Rauf (29x), Sazon, Adam (27x), Lu, Shanglei (26x), Rahls, Peter (24x), Popchev, Milko (23x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.f4 3.Bc4 3.Nf3 3.g3
<1800 4104 34% 29% 20% 13%
1800-2200 16463 32% 28% 18% 19%
2200-2600 9093 21% 25% 18% 31%
2600+ 334 10% 20% 10% 49%
Évolution par décennie (% des parties)
Décennie N parties 3.f4 3.Bc4 3.Nf3 3.g3
1950s 265 45% 40% 12% 1%
1960s 575 31% 36% 12% 18%
1970s 1023 36% 26% 12% 25%
1980s 1775 35% 22% 11% 28%
1990s 7433 31% 26% 21% 19%
2000s 12353 31% 28% 22% 15%
2010s 11737 25% 28% 22% 22%
2020s 4772 28% 25% 15% 19%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.f4 25% 28% ▲ +3.2%
3.Bc4 28% 25% ▼ -2.7%
3.Nf3 22% 15% ▼ -6.6%
3.g3 22% 19% ▼ -3.1%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 10 parties
Hou, Yifan — 10 parties
Anand, Viswanathan — 7 parties
Ding, Liren — 6 parties
Karpov, Anatoly — 5 parties
Carlsen, Magnus — 4 parties
Ju, Wenjun — 4 parties
Tal, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie
Fischer, Robert James — 1 partie
Gukesh D — 1 partie
Parties historiques
3.f4 — 29.1% (11607 parties)
1950 — Moura, Jairo De Souza vs Pomar Salamanca, Arturo — 1-0 — Estoril
1950 — Taimanov, Mark vs Keres, Paul Petrovich — 1/2-1/2 — Szcawno Zdroj
1950 — Lastovicka, Jiri vs Hromada, Vaclav — 0-1 — Chocen
1950 — Kieninger, Georg vs Unzicker, Ferdinand, Dr. — 1/2-1/2 — Bad Pyrmont GER
1950 — Taimanov, Alexander vs Keres, Paul Petrovich — 1/2-1/2 — Szczawno Zdroj
3.Bc4 — 27.3% (10911 parties)
1950 — Metzger, Albert vs Grob, Henry — 1-0 — corr SE_60_10/148
1950 — Adams, Weaver vs Aabel Thomas Eapen — 0-1 — Hastings ENG
1950 — Adams, Weaver vs Quillen, Paul — 1-0 — Los Angeles, CA USA
1950 — Barrs, Lawrence vs Henriksen, Gust — 1-0 — Edmonton CAN
1950 — Adams, Weaver vs Unzicker, Ferdinand, Dr. — 0-1 — Hastings ENG
3.Nf3 — 19.8% (7916 parties)
1951 — Kahn, Richard A vs Baraza Harrison — 1-0 — Correspondence
1951 — Kieninger, Georg vs Teschner, Rudolf — 1/2-1/2 — Augsburg GER
1951 — Guimard, Carlos E vs Martin M Pereira — 1/2-1/2 — Mar del Plata ARG
1951 — Mueller, Paul vs Castiglioni, Ferruccio — 1/2-1/2 — Venice ITA
1952 — Kasparian, Genrikh vs Korchnoi, Viktor — 0-1 — Moskou ch-URS
3.g3 — 19.4% (7734 parties)
1951 — Puc, Stojan vs Akash Langer — 1/2-1/2 — Sarajevo BIH
1955 — Kviatkovsky, Sergey vs Bobekov, Radko — 1/2-1/2 — Sofia BUL
1956 — Crabbendam, Hans vs Donk, Merlijn — 1-0 — Hoogovens-B Beverwijk NED
1961 — Smyslov, Vasily vs Kots, Yuri I — 1/2-1/2 — Baku ch-URS
1961 — Smyslov, Vladimir vs Polugaevsky, Lev — 1-0 — Baku ch-URS

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