C26f — Vienna: Smyslov, 3…Bc5 4.Bg2 d6

1.e4 e5 2.Nc3 Nf6 3.g3 Bc5 4.Bg2 d6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nge2 (Développer g1 — 48 % des parties) ; Na4 (19 % des parties) ; h3 (Empêcher ...Bg4 — 15 % des parties) ; Nf3 (Développer g1 — 10 % des parties) ; d3 (Solidifier le centre — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nc6 (Développer b8 — 54 % des parties) ; ...Bg4 (Fou actif (mobilité 9), Développer c8 — 8 % des parties) ; ...O-O (Mettre le roi en sécurité, connecter les tours — 8 % des parties) ; ...Be6 (Fou actif (mobilité 9), Développer c8 — 7 % des parties) ; ...a6 (Préparer expansion aile dame — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1)	● d4 (2v0), ● g4 (2v1)
Cases faibles	—	—
Centre	● d5 (2v1), ● e4 (2v1)	● d4 (2v0), ● e5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Ok (mob. 3)
Bc5		● Bc5 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● g1, ● c1, ● a1, ● h1)	4 (● b8, ● 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	● …d6-d5

Partie
1902 Hannover blind sim – Round 1.10 – Pillsbury, Harry – 1/2-1/2 – Forgacs, Leo – G2 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. d3 Nc6 6. Na4 Bb4+ 7. c3 Bc5 8. Nxc5 dxc5 9. Be3 Qd6 10. Ne2 Be6
1908 It (Men) Duesseldorf GER – Round 8 – Mieses, Jacques – 0-1 – Treybal, Karel – G9 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. Na4 Nc6 6. d3 Bg4 7. Qd2 a6 8. Nxc5 dxc5 9. b3 Qd4 10. Rb1 O-O-O
1908 Vienna – Round 7 – Mieses, Jacques – 1/2-1/2 – Spielmann, Rudolf – G72 1. e4 e5 2. Nc3 Bc5 3. g3 Nf6 4. Bg2 d6 5. Na4 Bb6 6. Ne2 Nc6 7. O-O Bg4 8. Nxb6 Bxe2 9. Qxe2 axb6 10. d3 Qd7
1909 St Petersburg – Round 1 – Cohn, Erich – 1/2-1/2 – Burn, Allan – G44 1. e4 e5 2. Nc3 Bc5 3. g3 Nf6 4. Bg2 d6 5. Na4 Nc6 6. Ne2 Be6 7. d3 Qe7 8. O-O d5 9. Nxc5 Qxc5 10. Be3 Qd6
1961 Baku ch-URS – Round 15 – Smyslov, Vladimir – 1/2-1/2 – Kots, Yuri I – G143 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. Nge2 Nc6 6. O-O h5 7. d3 h4 8. Bg5 Bg4 9. Qd2 hxg3 10. Nxg3 Qd7
1963 Leningrad ch-URS – Round 1 – Averbakh, Yuri L – 1/2-1/2 – Spassky, Boris Vasily – G100 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. Nf3 Nc6 6. d3 Bg4 7. Na4 Nd7 8. h3 Bh5 9. c3 Bxf2+ 10. Kxf2 b5
1964 BRA Ch – Round 3 – De Souza Mendes, Joao – 0-1 – Holzmann Licurgo – G11 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. Nf3 Nc6 6. d3 h6 7. Be3 Bb6 8. Qd2 Be6 9. O-O Qd7 10. a3 Bh3
1964 Buenos Aires Ch – Round ? – Carballo Madrigal, Fabian – 1-0 – Palermo, Vicente – G53 1. e4 e5 2. Nc3 Bc5 3. g3 Nf6 4. Bg2 d6 5. h3 Nc6 6. Na4 Be6 7. Nxc5 dxc5 8. Ne2 g5 9. b3 Qe7 10. d3 Rg8
1964 Tel Aviv olm prel – Round 7 – Benko, Pal – 1-0 – Balfour Ribeiro, Joaquin – G268 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. Na4 Bb6 6. Nxb6 axb6 7. Ne2 Nc6 8. d4 O-O 9. O-O exd4 10. Nxd4 Nxd4
1965 Bognor Regis-A – Round 1 – Milner Barry, Philip – 0-1 – Hartston, William R – G17 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. Nf3 Nc6 6. d3 Be6 7. Na4 Qe7 8. O-O O-O-O 9. c3 d5 10. b4 dxe4
1966 URS Team Ch – Round ? – Gufeld, Eduard – 1/2-1/2 – Rozhdestvensky, Vladimir – G37 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. Nge2 a6 6. O-O Nc6 7. d3 Be6 8. Nd5 Bxd5 9. exd5 Ne7 10. d4 exd4
SportAccord Blitz 2014 – Round 7.8 – Mamedyarov, Shakhriyar – 1-0 – Harikrishna, Pentala – G56 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. Nge2 a6 6. d3 Nc6 7. O-O h5 8. Bg5 Be6 9. Nd5 h4 10. gxh4 Bxd5
World Blitz 2009 – Round 24 – Polgar, Judit – 1-0 – Ivanchuk, Vasyl – G247 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. Nge2 Nc6 6. O-O a6 7. d3 h6 8. a3 O-O 9. Be3 Bxe3 10. fxe3 Bg4
World Blitz 2016 – Round 16.40 – Atabayev, Yusup – 1-0 – Anton Guijarro, David – G652 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. h3 O-O 6. Nge2 c6 7. O-O Re8 8. d4 Bb6 9. Be3 Nbd7 10. g4 h6
World Blitz 2016 – Round 5.22 – Mamedov, Rauf – 1-0 – Inarkiev, Ernesto – G192 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. h3 a6 6. d3 Nc6 7. Nge2 O-O 8. O-O b5 9. a3 Rb8 10. Kh2 a5
World Rapid 2021 – Round 5.50 – Wieczorek, Oskar – 0-1 – Theodorou, Nikolas – G298 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. Nge2 Nc6 6. Na4 a5 7. Nxc5 dxc5 8. O-O Qd6 9. d3 h6 10. h3 b6

C26f — Smyslov (1902)

1.e4 e5 2.Nc3 Nf6 3.g3 Bc5 4.Bg2 d6

Les coups candidats

5.Nge2 — 47.9% (355 parties)

Ambassadeurs : Korostenski, Frank (4x), Sax, Gyula (2x), Weiss, Augustin (2x), Nunn, John D M (2x), Ristoja, Thomas W. (2x), Schlachetka, Werner (2x), Burnett, Andrew (2x), Gashimov, Vugar (2x)

5.Na4 — 19.2% (142 parties)

Ambassadeurs : Moody, David W (2x), Panopoulos, Nikolaos (2x), Nielsen, Tage (2x), Watson, William N (2x), Van Leeuwen, Etienne (2x), Benko, Pal (1x), Ribeiro, Joao (1x), Dahlin, Jolanta (1x)

5.h3 — 15.1% (112 parties)

Ambassadeurs : Trabert, Bettina (3x), Bak, Istvan (1x), Troianescu, Octav (1x), Carballo, F1. (1x), Palermo, Vicente (1x), Lengyel, Laszlo (1x), Eberth, Zoltan Bela (1x), Fauth, Dietmar, Dr. (1x)

5.Nf3 — 10.1% (75 parties)

Ambassadeurs : Prandstetter, Eduard (2x), Jekel, Pim (2x), Milner Barry, Philip (1x), Hartston, William R (1x), Stoliar, Efim Samoilovich (1x), Chernikov, P (1x), Averbakh, Yuri L (1x), Spassky, Boris Vasily (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Nge2	5.Na4	5.h3	5.Nf3
<1800	70	51%	16%	17%	7%
1800-2200	329	48%	20%	17%	8%
2200-2600	171	47%	21%	11%	11%
2600+	6	83%	—	17%	—

Évolution par décennie (% des parties)

Décennie	N parties	5.Nge2	5.Na4	5.h3	5.Nf3
1960s	11	27%	9%	18%	36%
1970s	30	57%	10%	3%	20%
1980s	52	44%	31%	4%	17%
1990s	190	46%	19%	13%	12%
2000s	203	50%	17%	16%	9%
2010s	193	51%	18%	19%	6%
2020s	62	42%	24%	21%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Nge2	51%	42%	▼ -8.8%
5.Na4	18%	24%	▲ +6.1%
5.h3	19%	21%	▲ +2.3%
5.Nf3	6%	5%	▼ -0.9%

Parties historiques

5.Nge2 — 47.9% (355 parties)

1961 — Smyslov, Vasily vs Kots, Yuri I — 1/2-1/2 — Baku ch-URS
1965 — Schoeneberg, Manfred vs Broman, Hannu — 1-0 — Barcelona ESP
1966 — Gufeld, Eduard vs Rozhdestvensky, Vladimir — 1/2-1/2 — URS
1970 — Jakobsen, Ole vs Hamilton, Douglas G — 1/2-1/2 — Siegen olm
1970 — Xynogalas vs Makropoulos, Georgios — 1/2-1/2 — Athens GRE

5.Na4 — 19.2% (142 parties)

1964 — Benko, Pal vs Ribeiro, Joao — 1-0 — Tel Aviv olm
1973 — Weiss, Augustin vs Lukacs, Peter — 1/2-1/2 — Decin CZE
1978 — Dahlin, Jolanta vs Khadilkar, Rohini — 1/2-1/2 — Buenos Aires ARG
1978 — Arapovic, Vitomir vs Nunn, John D M — 0-1 — Lublin POL
1982 — Hahn, David vs Moody, David W — 0-1 — Saginaw, Mich.

5.h3 — 15.1% (112 parties)

1964 — Carballo, F1. vs Palermo, Vicente — 1-0 — Buenos Aires ARG
1968 — Bak, Istvan vs Troianescu, Octav — 1-0 — Bucharest ROU
1978 — Stentebjerg-Hansen, Per vs Wiedenkeller, Michael — 1-0 — dkch-jr Ribe
1986 — Lengyel, Laszlo vs Eberth, Zoltan Bela — 1-0 — Eger
1989 — Fauth, Dietmar, Dr. vs Haist, Wolfgang — 1/2-1/2 — BL2-S

5.Nf3 — 10.1% (75 parties)

1963 — Averbakh, Yuri L vs Spassky, Boris Vasily — 1/2-1/2 — Leningrad ch-URS
1964 — Stoliar, Efim Samoilovich vs Chernikov, P — 1-0 — URS club ch
1964 — De Souza Mendes, Joao vs Holzmann, Licurgo — 0-1 — Brasilia BRA
1965 — Milner Barry, Philip vs Hartston, William R — 0-1 — Bognor Regis
1970 — Roebuck, Ian vs Abiolla James — 1/2-1/2 — Weymouth

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