Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (3v0), ● f5 (2v0)	● b4 (2v0), ● d4 (3v0)
Cases faibles	—	—
Centre	● d5 (3v0), ● e4 (2v0)	● d4 (3v0), ● e5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bc4	● Bc4 Actif (mob. 9)
Bc5		● Bc5 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (● g1, ● c1, ● a1, ● h1)	4 (● 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	fermé
Ruptures	● d2-d4, ● f2-f4	● …d7-d5, ● …f7-f5

C25l — Vienna: 2…Nc6 3.Bc4 Bc5 4.Qg4

1.e4 e5 2.Nc3 Nc6 3.Bc4 Bc5 4.Qg4 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nd5 (Cavalier centralisé en d5 — 39 % des parties) ; Qf3 (Centraliser la dame — 32 % des parties) ; Qg3 (Dame très active (15 cases) — 26 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Qf6 (Centraliser la dame, Prépare O-O-O — 41 % des parties) ; ...g6 (39 % des parties) ; ...Kf8 (15 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1900 Paris – Round 16 – Mieses, Jacques – 0-1 – Marshall Viele, Fabrizio Aaron – G104 1. e4 e5 2. Nc3 Bc5 3. Bc4 Nc6 4. Qg4 Bf8 5. Qg3 Nf6 6. Nf3 Nh5 7. Qg5 Qxg5 8. Nxg5 f6 9. Nf7 Na5 10. Nxh8 Nxc4
1900 Paris FRA – Round 7.2 – Mieses, Jacques – 1-0 – Mortimer, James – G10 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 g6 5. Qg3 d6 6. d3 Be6 7. Bg5 Qd7 8. Bxe6 fxe6 9. Na4 Bb4+ 10. Nc3 Nd4
1902 DSB-13.Kongress – Round 13 – Mieses, Jacques – 1-0 – Cohn, Wilhelm – G59 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 g6 5. Qg3 d6 6. Nf3 h6 7. d3 Nf6 8. Qh4 Ng4 9. Qxd8+ Nxd8 10. Nd5 Ne6
1902 It (Men) Monte Carlo MNC – Round 1 – Marchand, Max – 1-0 – Mortimer, James – G3 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 g6 5. Qg3 d6 6. d3 Nd4 7. Bb3 Be6 8. Bg5 Qd7 9. O-O-O Bxb3 10. axb3 f6
1908 Prague – Round 4 – Spielmann, Rudolf – 0-1 – Salwe, Georg H S – G44 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 g6 5. Qg3 d6 6. Nf3 Be6 7. Bxe6 fxe6 8. d3 Qf6 9. Bg5 Qf7 10. O-O h6
1909 BCF Ch 6th – Round 7 – Blake, Joseph – 1-0 – Wainwright snr, George Edward – G28 1. e4 e5 2. Nc3 Bc5 3. Bc4 Nc6 4. Qg4 Kf8 5. Qg3 d6 6. d3 Nf6 7. Nge2 Nd4 8. Nxd4 Bxd4 9. Ne2 Bb6 10. Bg5 h6
1921 Brno Morava – Round 3 – Hromadka, Karel – 1-0 – Prochazka, Hubert – G7 1. e4 e5 2. Nc3 Bc5 3. Bc4 Nc6 4. Qg4 Qf6 5. Nd5 Qxf2+ 6. Kd1 Kf8 7. Nh3 d6 8. Nxf2 Bxg4+ 9. Nxg4 Na5 10. Bb3 c6
1922 Vienna – Round 1 – Spielmann, Rudolf – 0-1 – Tarrasch, Siegbert – G56 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 g6 5. Qg3 d6 6. d3 Nd4 7. Bb3 Be6 8. Bg5 Qd7 9. O-O-O Bxb3 10. axb3 f6
1932 Pasadena – Round 3 – Harry Borochow – 1-0 – Reshevsky, Samuel – G26 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 g6 5. Qf3 Nf6 6. Nge2 d6 7. d3 h6 8. Be3 Bb6 9. h3 Na5 10. Bb5+ Kf8
1939 Buenos Aires ol prel-A – Round 1 – Milner Barry, Philip – 1-0 – Opsahl, Haakon – G4 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 g6 5. Qg3 d6 6. Nge2 Be6 7. Bb3 Bxb3 8. axb3 a6 9. d3 Nd4 10. Nxd4 Bxd4
1950 Schiavno Zdroj – Round 1 – Gawlikowski, Stanislaw – 0-1 – Tarnowski, Alfred – G91 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 Kf8 5. Qg3 d6 6. Nh3 Nd4 7. O-O c6 8. Kh1 b5 9. Bb3 a5 10. a4 b4
1951 Hastings5152 – Round 9 – Barden, Leonard – 1/2-1/2 – Donner, Jan-Hein – G39 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 g6 5. Qg3 Nf6 6. Nge2 O-O 7. d3 Kg7 8. Bg5 Be7 9. h4 h6 10. Bd2 d6
1958 GBR Ch 45th – Round 5.13 – Thomas Andrew – 1-0 – Dickson, George – G32 1. e4 e5 2. Bc4 Nc6 3. Nc3 Bc5 4. Qg4 d5 5. Qxg7 Qf6 6. Qxf6 Nxf6 7. Nxd5 Nxe4 8. Nf3 Bxf2+ 9. Ke2 Nd4+ 10. Nxd4 Bxd4
1959 Candidates Tournament women – Round 1 – Gresser, Gisela Kahn – 1/2-1/2 – Eretova, Kveta – G5 1. e4 e5 2. Bc4 Nc6 3. Nc3 Bc5 4. Qg4 g6 5. Qf3 Nf6 6. Nge2 d6 7. Nd5 Nxd5 8. Bxd5 Qe7 9. d3 Be6 10. Bxc6+ bxc6
1964 Moscow Ch – Round 1 – Estrin, Yakov – 1/2-1/2 – Ravinsky, Grigory – G2 1. e4 e5 2. Bc4 Nc6 3. Nc3 Bc5 4. Qg4 g6 5. Qf3 Nf6 6. Nge2 d6 7. d3 Bg4 8. Qg3 Bxe2 9. Nxe2 Nh5 10. Qg4 Na5
1965 Pardubice – Round 15 – Hora, Vratislav – 1/2-1/2 – Novak, Ervin – G98 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 g6 5. Qg3 d6 6. Nge2 Be6 7. Bxe6 fxe6 8. Na4 Bb6 9. Nxb6 axb6 10. O-O Nf6
1966 Churchill Memorial Open 14th – Round 9 – Hart, Terance William – 1-0 – Abrahams, Gerald – G20 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 Kf8 5. Qg3 Nd4 6. Bb3 Nxb3 7. axb3 Nf6 8. d3 h6 9. Nge2 c6 10. Be3 Qe7
1966 Santa Monica – Round 9 – Larsen, Benjamin Holsko – 1-0 – Portisch, Lajos – G41 1. e4 e5 2. Bc4 Bc5 3. Nc3 Nc6 4. Qg4 g6 5. Qf3 Nf6 6. Nge2 d6 7. d3 Bg4 8. Qg3 h6 9. f4 Qe7 10. Nd5 Nxd5
World Blitz 2019 – Round 13.3 – Nakamura, Hikaru – 1-0 – Yu, Yangyi – G874 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 g6 5. Qf3 Nf6 6. Nge2 d6 7. d3 Bg4 8. Qg3 Be6 9. Bg5 h6 10. Qh4 hxg5

C25l — Vienna (1900)

1.e4 e5 2.Nc3 Nc6 3.Bc4 Bc5 4.Qg4

Les coups candidats

4…g6 — 46.9% (420 parties)

Ambassadeurs : Kulhanek, Tomas (6x), Brodie, Hugh (3x), Laznicka, Viktor (3x), Valesova, Sarka (3x), Portisch, Lajos (2x), De Coverly, Roger D (2x), Scheerer, Helmut (2x), Khasanova, Flyura (2x)

4…Qf6 — 29.6% (265 parties)

Ambassadeurs : Reichel, Matti (7x), Livwin Lisbin (4x), Brodie, Hugh (3x), Leisebein, Peter (3x), Fiebig, G. (3x), Antoszkiewicz, Gerhard (3x), Glasscoe, Alan (2x), Knorr, B. (2x)

4…Kf8 — 13.2% (118 parties)

Ambassadeurs : Brodie, Hugh (2x), Ravisekhar, Raja (2x), Hennings, Artur (1x), Korchnoi, Viktor (1x), Grombacher (1x), Karklins, Andrew (1x), Hart, William (1x), Abad Calderon, Abraham (1x)

4…Bf8 — 4.9% (44 parties)

Ambassadeurs : Bzowski, Blazej (1x), Milanovic, Vojislav (1x), Hausmann, Ilka (1x), Lutzka, Holger (1x), Berkvens, Joost (1x), Goossen, Gerard (1x), Nugent, Arthur P (1x), Zarembsky, Ilya S (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…g6	4…Qf6	4…Kf8	4…Bf8
<1800	115	48%	32%	10%	3%
1800-2200	441	49%	26%	14%	7%
2200-2600	129	60%	9%	22%	5%
2600+	3	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	4…g6	4…Qf6	4…Kf8	4…Bf8
1950s	5	60%	—	20%	—
1960s	12	33%	33%	33%	—
1970s	15	60%	27%	7%	—
1980s	46	35%	43%	17%	2%
1990s	180	41%	41%	13%	4%
2000s	295	48%	28%	12%	5%
2010s	206	54%	21%	10%	8%
2020s	136	46%	26%	17%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…g6	54%	46%	▼ -8.3%
4…Qf6	21%	26%	▲ +4.4%
4…Kf8	10%	17%	▲ +6.7%
4…Bf8	8%	3%	▼ -5.3%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 1 partie

Parties historiques

4…g6 — 46.9% (420 parties)

1951 — Barden, Leonard vs Donner, Jan-Hein — 1/2-1/2 — Hastings ENG
1958 — Santasiere, Anthony vs Bernstein, Sidney — 1/2-1/2 — New York, NY USA
1959 — Gresser, Gisela Kahn vs Eretova, Kveta — 1/2-1/2 — Plovdiv BUL
1964 — Estrin, Yakov vs Ravinsky, Grigory — 1/2-1/2 — Moscow RUS
1965 — Larsen, Bent vs Portisch, Lajos — 1-0 — Santa Monica, CA USA

4…Qf6 — 29.6% (265 parties)

1967 — Cibulka, Vladimir vs Kabat, Emil — 1-0 — Stary Smokovec SVK
1968 — Henkell, Karsten vs Ungnad, Rainer — 1-0 — Saarbruecken
1969 — Brodie, Hugh vs Germain, Jean-Francois — 1-0 — Montreal ACCO
1969 — Brodie, Hugh vs Kaminski, Serge — 1-0 — Waterloo Intercoll.
1972 — Brodie, Hugh vs Klarner, William R. — 1-0 — Toronto Open

4…Kf8 — 13.2% (118 parties)

1950 — Gawliczek, Andreas vs Tarnowski, Alfred — 0-1 — Schiavno Zdroj
1965 — Grombacher vs Karklins, Andrew — 1-0 — UN Open
1966 — Hart, William vs Abad Calderon, Abraham — 1-0 — Bognor Regis
1969 — Hennings, Artur vs Korchnoi, Viktor — 1/2-1/2 — Sarajevo, BIH YUG
1969 — Tautvaisas, Povilas vs Karklins, Erik — 1-0 — Chicago, IL USA

4…Bf8 — 4.9% (44 parties)

1989 — Bzowski, Blazej vs Milanovic, Vojislav — 0-1 — Novi Sad SRB
1991 — De Kleuver, Esther vs Serdijn, Adinda — 1-0 — Dieren ch-NLD wmn
1993 — Nugent, Arthur P vs Zarembsky, Ilya S — 0-1 — Boylston CC ch B
1994 — Achatz, Georg vs Gergen, Harald — 1/2-1/2 — Bayern
1995 — Hausmann, Ilka vs Lutzka, Holger — 1-0 — GER-chJT Leipzig GER

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