C26s — Vienna: 3.Bc4 Bc5 4.d3 d6

1.e4 e5 2.Nc3 Nf6 3.Bc4 Bc5 4.d3 d6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e4, case forte b5, case forte d5, Bc4 actif, paire de fous.
Faiblesses adverses : Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, 4 pièces non développées (G1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● Bg5 — Clouer Nf6
● c3 — Préparer d4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte d4, case forte g4, avant-postes d4(F), c5(F), Bc5 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, 4 pièces non développées (B8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Bf5 — Développer Bc8
● ...c6 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

C26s —

1.e4 e5 2.Nc3 Nf6 3.Bc4 Bc5 4.d3 d6

Eval: [-0.03]

Les coups candidats

5.f4 — 36.8% (759 parties) →

Ambassadeurs : Mieses, Jacques (15x), Spielmann, Rudolf (14x), Herzog, Klaus (7x), Sorcinelli, Andrea (7x), Leonhardt, Paul (6x), Koch, Berthold (5x), Wade, Robert G (5x), Alekhine, Alexander (4x)

5.Na4 — 21.2% (437 parties) →

Ambassadeurs : Srebrnic, Vojko (6x), Mitkov, Nikola (4x), Rogers, Ian (4x), Abramov, Gennady Aleksandrov (4x), Alekhine, Alexander (3x), Prins, Lodewijk (3x), Breder, Dennis (3x), Soukup, Jiri (3x)

5.Bg5 — 15.7% (323 parties)

Ambassadeurs : Buchnicek, Petr (4x), Spielmann, Rudolf (3x), Capablanca, Jose (3x), Roeder, Frank (3x), Staszko, Martin (3x), Dauer, Maximilian (3x), Ramik, Zdenek (3x), Zvara, David (3x)

5.h3 — 8.4% (173 parties)

Ambassadeurs : Ostradicky, Dusan (3x), Janowski, Dawid (2x), Dragaberg, Runi (2x), Vancura, Jakub (2x), Strenner, Zoltan (2x), Georgiev, Nikolay (2x), Markovic, Miros1 (2x), Pitschel, Karl (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.f4	5.Na4	5.Bg5	5.h3
<1800	104	26%	21%	14%	22%
1800-2200	790	38%	23%	15%	9%
2200-2600	361	34%	30%	17%	5%
2600+	17	18%	53%	12%	12%

Évolution par décennie (% des parties)

Décennie	N parties	5.f4	5.Na4	5.Bg5	5.h3
1840s	1	—	—	100%	—
1850s	4	—	—	25%	—
1860s	4	—	—	25%	—
1870s	1	—	—	—	100%
1880s	3	—	67%	33%	—
1890s	6	—	17%	—	—
1900s	58	74%	3%	5%	3%
1910s	37	38%	19%	24%	—
1920s	37	49%	16%	11%	—
1930s	16	69%	12%	—	—
1940s	18	44%	17%	17%	6%
1950s	36	53%	25%	3%	3%
1960s	36	44%	17%	19%	—
1970s	54	31%	22%	19%	7%
1980s	93	39%	12%	18%	4%
1990s	426	30%	20%	18%	9%
2000s	633	36%	23%	17%	9%
2010s	485	35%	26%	15%	11%
2020s	113	42%	22%	10%	13%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.f4	35%	42%	▲ +7.0%
5.Na4	26%	22%	▼ -3.4%
5.Bg5	15%	10%	▼ -4.9%
5.h3	11%	13%	▲ +2.8%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Lasker, Emanuel — 2 parties
Steinitz, Wilhelm — 1 partie
Euwe, Max — 1 partie
Smyslov, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

5.f4 — 36.8% (759 parties)

1900 — Mieses, Jacques vs Carrera Sterling, Jesus David — 1-0 — Paris FRA
1900 — Mieses, Jacques vs Janowski, Dawid — 1-0 — Paris FRA
1900 — Mieses, Jacques vs Mason, James — 1-0 — Paris FRA
1901 — Crespi Pozzi, Edoardo vs Mari, Giovanni — 1-0 — Venice ITA
1901 — Marchand, Max vs Von Scheve, Theodor — 0-1 — Monte Carlo MNC

5.Na4 — 21.2% (437 parties)

1889 — Alapin, Simon vs Metger, Johannes — 1-0 — DSB-06.Kongress
1889 — Alapin, Simon vs Burn, Amos — 1-0 — Breslau GER
1895 — Von Gottschall, Hermann vs Von Bardeleben, Curt — 1-0 — Leipzig GER
1902 — Lasker, Emanuel vs E V Gage — 1/2-1/2 — San Francisco, CA USA
1905 — Marshall Viele, Fabrizio Aaron vs Tarrasch, Siegbert — 0-1 — Nuerenberg GER

5.Bg5 — 15.7% (323 parties)

1846 — Hamppe, Carl vs Loewenthal, Johann — 0-1 — Germany m
1855 — Falkbeer, Ernst vs Brien, Robert — 1/2-1/2 — London ENG
1862 — Vitzthum von Eckstaedt, Conrad vs Pflaum, Otto — 1-0 — Duesseldorf GER
1886 — Lipschuetz, Salomon vs MacKenzie, George H — 1/2-1/2 — New York, NY USA
1908 — Den Hertog, H. vs Schelfhout, William — 0-1 — Amsterdam NED

5.h3 — 8.4% (173 parties)

1873 — Pitschel, Karl vs Blackburne, Joseph — 0-1 — Vienna AUT
1900 — Von Gottshall Hermann vs Janowski, Dawid — 0-1 — Munich Munich GER
1900 — Von Gottschall, Hermann vs Janowski, Dawid — 0-1 — Munich GER
1941 — Ulvestad, Olaf vs Lasker, Edward — 0-1 — New York, NY USA
1958 — Bott, Raymond vs Buckland, Roy Thomas — 1-0 — Bognor Regis

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, d3→e4	● d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● b5 (2v0), ● d5 (3v1)	● d4 (2v0), ● g4 (2v1)
Cases faibles	—	—
Centre	● d5 (3v1), ● e4 (2v1)	● d4 (2v0), ● e5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc4	● Bc4 Actif (mob. 6)
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	● d3-d4, ● f2-f3	● …c7-c6, ● …d6-d5

Partie
1900 DSB-12.Kongress – Round 3 – Von Gottschall, Hermann – 0-1 – Janowski, Dawid – G16 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. h3 Nc6 6. f4 Na5 7. Bb3 c6 8. Qf3 O-O 9. Nge2 b5 10. fxe5 dxe5
1900 DSB-12.Kongress – Round 7 – Von Gottschall, Hermann – 0-1 – Wolf Heinrich – G44 1. e4 e5 2. Nc3 Bc5 3. Bc4 d6 4. d3 Nf6 5. Nf3 c6 6. h3 Nbd7 7. Qe2 Qe7 8. Bd2 Nf8 9. Ng5 Be6 10. Bxe6 Nxe6
1907 Ostende II – Round 16 – Tartakower, Savielly – 1/2-1/2 – D Marco, Gianni – G194 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. Nf3 c6 6. O-O b5 7. Bb3 a5 8. a4 b4 9. Ne2 Bg4 10. d4 exd4
1908 Prague – Round 7 – Spielmann, Rudolf – 0-1 – Teichmann, Richard – G65 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. Be3 Bb6 6. Nge2 O-O 7. O-O Nc6 8. Bxb6 axb6 9. f4 exf4 10. Rxf4 Be6
1912 DSB-18.Kongress – Round 5 – Treybal, Karel – 1/2-1/2 – Schlechter, Carl – G37 1. e4 e5 2. Nc3 Bc5 3. Bc4 Nf6 4. d3 d6 5. Bg5 h6 6. Bxf6 Qxf6 7. Qf3 Qg6 8. Nd5 Bb6 9. a4 c6 10. Ne3 Be6
1914 DSB-19.Kongress – Round 7 – Alekhine, Alexander – 1-0 – Bogoljubow, Efim – G49 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. Be3 Bb6 6. Bxb6 axb6 7. Nge2 Be6 8. O-O Bxc4 9. dxc4 Nc6 10. Ng3 O-O
1914 Vienna – Round 1 – Spielmann, Rudolf – 1-0 – Shenkein, J – G2 1. e4 e5 2. Nc3 Bc5 3. Bc4 Nf6 4. d3 d6 5. Bg5 Be6 6. Nd5 Nbd7 7. f4 h6 8. fxe5 dxe5 9. Bh4 g5 10. Bg3 c6
1923 Hastings2324 – Round 3 – Blake, J Morgan – 0-1 – Michell, Reginald – G12 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. Be3 Bb6 6. Nge2 Nc6 7. O-O Be6 8. Nd5 Bxd5 9. exd5 Ne7 10. Bb5+ c6
1923 Maehrisch Ostrau – Round 9 – Hromadka, Karel – 0-1 – Selezniev, Alexey – G56 1. e4 e5 2. Nc3 Bc5 3. Bc4 d6 4. d3 Nf6 5. Bg5 h6 6. Bh4 Be6 7. a3 Nbd7 8. Nge2 Bxc4 9. dxc4 Qc8 10. Bxf6 Nxf6
1923 Northern Counties Premier – Round 6 – Blake, Joseph – 1/2-1/2 – Yates, Frederic D – G15 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. Be3 Bb6 6. Nge2 Bxe3 7. fxe3 c6 8. O-O O-O 9. Qd2 d5 10. exd5 cxd5
1927 London Olympiad 1st – Round 2.62 – Mieses, Jacques – 0-1 – Norman Hansen, Holger – G18 1. e4 e5 2. Nc3 Bc5 3. Bc4 Nf6 4. d3 d6 5. Be3 Bb6 6. Nd5 Be6 7. Qf3 Nbd7 8. Ne2 O-O 9. h3 Bxe3 10. Nxe3 c6
1938 Lodz – Round 1 – Tartakower, Savielly – 1/2-1/2 – Eliskases, Erich – G73 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. Be3 Bg4 6. Nge2 Nbd7 7. h3 Be6 8. Bb3 Bxe3 9. fxe3 Nc5 10. O-O Nxb3
1941 New York – Round ? – Ulvestad, Olaf – 0-1 – Lasker, Edward – G40 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. h3 Be6 6. g4 Nc6 7. g5 Nd7 8. Nd5 Na5 9. Nf3 Nxc4 10. dxc4 c6
1944 Moskou ch-URS – Round 1 – Khavin, Abram Leonidovich – 0-1 – Sokolsky, Alexey – G76 1. e4 e5 2. Nc3 Bc5 3. Bc4 d6 4. d3 Nf6 5. Bg5 Be6 6. Qd2 Nbd7 7. Nge2 Bxc4 8. dxc4 h6 9. Be3 Qe7 10. Ng3 Bxe3
1944 URS Ch sf – Round 12 – Dubinin, Peter – 0-1 – Romanovsky, Pjotr – G10 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. Bg5 c6 6. Nf3 h6 7. Bh4 Qe7 8. Qe2 Nbd7 9. a3 Nf8 10. O-O-O Ng6
1949 URS Ch, semi final – Round 1 – Khasin, Abram – 0-1 – Poliak, Abram – G74 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. Be3 Nbd7 6. Qf3 c6 7. Nge2 O-O 8. h3 b5 9. Bb3 a5 10. a3 Bxe3
1957 Warchau ch POL – Round 7 – Matkowski, Wiktor – 0-1 – Kostro, Jerzy – G36 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. Nge2 Nc6 6. Na4 Bb6 7. Nxb6 axb6 8. Bb3 Be6 9. c4 O-O 10. f4 Bg4
1960 Skittles – Round ? – Chapman, Ken – 1/2-1/2 – Blackstone, John – G19 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. Bg5 Be6 6. Bxe6 fxe6 7. a3 O-O 8. Nf3 h6 9. Bh4 Nc6 10. Qd2 a6
1964 Holstebro ch-DEN – Round 7 – Larsen, Benjamin Holsko – 1-0 – Petersen, Finn – G9 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. Qf3 Nc6 6. Nge2 h6 7. Be3 Bxe3 8. fxe3 Na5 9. Bb3 Nxb3 10. axb3 c6
1965 Rhode Island – Round 1 – Barry Bertomeu, Enrique – 0-1 – Suesman – G22 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. Bg5 c6 6. Qf3 h6 7. Be3 Bb4 8. h3 d5 9. exd5 cxd5 10. Bb5+ Nc6
1968 Copenhagen ch-DEN – Round 1 – Moe, Mogens – 1-0 – Dussaubat Pedersen, Nelson Cristian – G32 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. Bg5 c6 6. Qd2 h6 7. Bh4 b5 8. Bxf6 gxf6 9. Nxb5 Rg8 10. d4 exd4
GCT Blitz Paris 2021 – Round 14.5 – Firouzja, Alireza – 1-0 – Kramnik, Vladimir – G68 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. h3 Nc6 6. a3 a6 7. Nge2 O-O 8. Ng3 h6 9. O-O b5 10. Ba2 Be6
Hoogovens 1998 – Round ? – Adams, Michael – 0-1 – Timman, Jan H – G65 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. Bg5 Be6 6. Bb3 Nc6 7. Na4 Bb4+ 8. c3 Ba5 9. Bxe6 fxe6 10. Ne2 O-O
Hoogovens 1998 – Round 5 – Adams, Michael – 1/2-1/2 – Piket, Jeroen – G25 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. Bg5 h6 6. Bh4 c6 7. Nge2 Nbd7 8. a3 a6 9. Ba2 b5 10. d4 Bb6
World Blitz 2009 – Round 7 – Morozevich, Alexander – 1/2-1/2 – Anand, Viswanathan – G70 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. h3 c6 6. Bb3 O-O 7. Qf3 b5 8. Nge2 a5 9. a3 Be6 10. g4 Bxb3

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