B73c — Sicilian: Dragon, Classical, 9.f4

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.f4 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte d4….

Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), les cases fortes d4, b5 et d5, un fou actif en e2, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en g7 et c8.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte g4.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), la case forte g4, la paire de fous et la colonne semi-ouverte c.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...d5 (Rupture) ; ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Actif (mob. 7)
Be3	● Be3 Ok (mob. 3)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	1 (● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e4-e5, ● f4-f5	● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1903 It – Round 2 – Loman, Rudolf – 1/2-1/2 – Leussen, Benjamin – G1 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. O-O O-O 9. f4 Bd7 10. Nb3 a5
1933 Leningrad ch-URS – Round 1 – Riumin, Nikolai – 0-1 – Chekhover, Vitaly – G35 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. f4 O-O 9. O-O Bd7 10. h3 Rc8
1933 Mnichovo ch CZE – Round 10 – Treybal, Karel – 0-1 – Flohr, Salo – G14 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. O-O O-O 9. f4 Qb6 10. Qd3 Qc7
1935 Warsaw olm – Round 10 – Szabo, Ladislav – 1-0 – Gygli, Fritz – G37 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. O-O O-O 9. f4 a6 10. Nb3 Be6
1936 Muenchen ol – Round 4 – Poulsen, Christian – 0-1 – Weil, Wolfgang – G9 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. O-O O-O 9. f4 Qb6 10. Qd3 Ng4
1938 Bad Elster – Round 2 – Ahues, Carl – 1/2-1/2 – Rellstab, Ludwig – G8 1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 g6 7. Be3 Bg7 8. O-O O-O 9. f4 Qb6 10. e5 dxe5
1939 Buenos Aires ol f-A – Round 11 – Tautvaisas, Povilas – 0-1 – Ekenberg, Bengt – G212 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O Nc6 8. Be3 O-O 9. f4 Qb6 10. Qd3 Ng4
1941 Montevideo – Round 2 – Engels, Ludwig – 1-0 – Canepa, Jose – G6 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. O-O Bg7 8. Be3 O-O 9. f4 Bd7 10. Qd2 a6
1947 Moscow – Round 1 – Magergut, Alexander Zinovievich – 0-1 – Aronin, Lev – G20 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Nc6 7. Be2 Bg7 8. O-O O-O 9. f4 Qb6 10. e5 dxe5
1949 Leningrad – Round 1 – Ufimtsev, Anatoly – 1/2-1/2 – Tarasov, Vitaly – G16 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 O-O 8. O-O Nc6 9. f4 Ng4 10. Nxc6 Nxe3
1949 URS Ch, semi final – Round 16 – Nezhmetdinov, Rashid – 0-1 – Pogrebissky, Iosif – G116 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. f4 Qb6 10. e5 dxe5
1950 Hungary – Round 1 – Honfi, Gyorgy – 1-0 – Kluger, Gyula – G54 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. O-O O-O 9. f4 Ng4 10. Bxg4 Bxd4
1951 Hungary Ch – Round 1 – Gecsei, Istvan – 0-1 – Szilagyi, Gyorgy Laszlo – G65 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. O-O O-O 9. f4 Qb6 10. Ncb5 Nxe4
1951 New York ch-USA – Round 1 – Horowitz, Albert Israel – 0-1 – Reshevsky, Samuel – G4 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 O-O 8. O-O Nc6 9. f4 Qb6 10. Qd3 Ng4
1951 USA-op 52nd – Round 11 – Martin, Raymond – 1-0 – Vollmar, Rainer – G16 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. O-O O-O 9. f4 Qb6 10. e5 dxe5
1951 USA-op52 – Round 6 – Martin, Raymond – 1-0 – Donovan, Jeremiah – G14 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 O-O 8. O-O Nc6 9. f4 Qb6 10. e5 dxe5
1952 GBR-ch39 – Round 1 – Tranmer, Eileen Betsy – 0-1 – Aitken, James – G1 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. O-O O-O 9. f4 Bd7 10. Nb3 a5
1953 Wch U20 fin-A – Round 3 – Reichel, Ewald – 0-1 – Ivkov, Borislav – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 g6 7. Be3 Bg7 8. O-O O-O 9. f4 Qb6 10. Rb1 Nxe4
1954 URS Team Ch – Round 7 – Grechkin, Dmitry M – 0-1 – Shcherbakov, Vitaly – G118 1. e4 c5 2. Nf3 d6 3. Be2 Nf6 4. Nc3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. O-O O-O 8. Be3 Nc6 9. f4 Qb6 10. e5 dxe5
1955 Marshall CC Ch 5556 – Round 8 – Donovan, Jeremiah – 0-1 – Mednis, Edmar J – G22 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be3 Bg7 8. Be2 O-O 9. O-O Qb6 10. Qd3 Ng4
1958 GDR Ch Schkopau GER – Round 12 – Zinn, Lothar – 1-0 – Dorawa, Bernhard – G73 1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Be3 Nf6 8. Be2 O-O 9. O-O Bd7 10. Kh1 Nxd4
1959 Buenos Aires – Round 6 – Caterine Visconti, Ismael David – 1/2-1/2 – Bazan, Osvaldo – G25 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. O-O O-O 9. f4 Qb6 10. e5 dxe5
1959 OWL Ch – Round 3 – Stoppkotte, Gerhard – 1/2-1/2 – Groenegress, Wilfried – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. O-O O-O 9. f4 Qb6 10. Na4 Qc7
1959 Wch U20 prel-C – Round 5 – Hoen, Ragnar Harald – 0-1 – Bielicki, Carlos – G11 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Be2 c5 6. Nf3 cxd4 7. Nxd4 O-O 8. Be3 Nc6 9. O-O Qb6 10. Qd3 Ng4
1959 York ch-BCF – Round 2.7 – Curtis, Donald A – 0-1 – Barden, Leonard – G36 1. d4 Nf6 2. Nf3 g6 3. Nc3 c5 4. e4 cxd4 5. Nxd4 d6 6. Be3 Bg7 7. Be2 O-O 8. O-O Nc6 9. f4 Qb6 10. Rf3 Nxe4
1960 GBR Ch 47th – Round 11.9 – Fazekas, Stephan – 1/2-1/2 – Newman, Richard Hilary – G98 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be2 Bg7 8. Be3 O-O 9. O-O Bd7 10. Nb3 Rc8
1961 City CC Open – Round ? – Mushey – 0-1 – Jursevskis Miervaldis – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nf6 8. O-O O-O 9. f4 Bd7 10. Qd2 a6
1963 Enschede zt – Round 1 – Boey, Jin Huey – 0-1 – Pomar Salamanca, Arturo – G20 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. O-O Bg7 8. Be3 O-O 9. f4 Qb6 10. Na4 Qa5
1965 EU Ch U20 Niemeyer 3rd – Round 7 – De Haseth Pieters Lourens – 1/2-1/2 – Kolbak, Jens – G3 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 O-O 8. O-O Nc6 9. f4 Bd7 10. Nb3 Rc8
1965 Rhode Island – Round 1 – Barry Bertomeu, Enrique – 1-0 – Okerholm – G4 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Nc3 Nf6 8. Be2 O-O 9. O-O a6 10. h3 d5
1965 WchT U26 12. prel – Round 3 – Bouaziz, Slim – 0-1 – Levy, David N L – G25 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. f4 Qb6 10. Qd2 Nxe4
1966 WchTJ U26 fin-A – Round 2 – Mestrovic, Zvonimir – 1/2-1/2 – Hartston, William R – G6 1. d4 Nf6 2. Nc3 c5 3. Nf3 cxd4 4. Nxd4 g6 5. e4 d6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. f4 Qb6 10. Qd3 Ng4
1967 It II – Round 1 – Szily, Jozsef – 1/2-1/2 – Ostojic, Predrag – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. O-O O-O 9. f4 Qb6 10. Qd3 Qxb2
1967 SWE Ch 27th – Round 9 – Olsson, Ake – 0-1 – Skold, Kristian – G11 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Be2 O-O 8. f4 d6 9. O-O Bd7 10. Nb3 a5
1967 Zierikzee ch-NED – Round 10 – Cuijpers, Frans Andre – 1/2-1/2 – Van Scheltinga, Theo – G51 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. f4 Bd7 10. Qd2 Nxd4
1968 Cardenas/Matanzas/Santa Clara – Round 5 – Mendivil Salinas, Ismael – 1/2-1/2 – Alvarez del Monte, Jose – G26 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. Be2 Nf6 8. O-O O-O 9. f4 Qb6 10. Qd3 Ng4
43. Olympiad 2018 – Round 1.12 – Al Kaoury, Mahdi – 0-1 – Tiviakov, Sergei – G13 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. f4 Qb6 10. Qd2 Nxe4

B73c — Dragon Classical

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.f4

Eval: [-0.09]

Les coups candidats

9…Qb6 — 44.7% (821 parties)

Ambassadeurs : Podlesnik, Bogdan (18x), Grosar, Kiti (13x), Grosar, Aljosa (7x), Popov, Vladimir Valentinovich (6x), Fieberg, Samuel (5x), Cedikova, Katerina (4x), Jazbinsek, Sebastjan (4x), Gayson, Peter M (4x)

9…Bd7 — 30.3% (557 parties)

Ambassadeurs : Podlesnik, Bogdan (13x), Petrov, Marian (4x), Wastney, Scott (4x), Grosar, Aljosa (3x), Grosar, Kiti (3x), Hendriks, Tobias (3x), Fieberg, Samuel (3x), Landau, Salo (2x)

9…a6 — 7.8% (143 parties)

Ambassadeurs : Alekhine, Alexander (3x), Luong, Nhat Linh (2x), Ambicho Ponce, Angel Gabriel (1x), Lasker, Emanuel (1x), Euwe, Max (1x), Samelius, C. (1x), Szabo, Ladislav (1x), Gygli, Fritz (1x)

9…Ng4 — 3.1% (56 parties)

Ambassadeurs : Grosar, Kiti (2x), Dordzhieva, Nadezhda (2x), Ovchinnikova, Julia (2x), Lasker, E. (1x), Golmayo Zupide, Celso (1x), Cortlever, Nico (1x), Wijnans, Arthur (1x), Ufimtsev, Anatoly (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Qb6	9…Bd7	9…a6	9…Ng4
<1800	100	49%	24%	8%	2%
1800-2200	663	41%	33%	9%	3%
2200-2600	334	57%	30%	4%	1%
2600+	5	60%	40%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Qb6	9…Bd7	9…a6	9…Ng4
1880s	3	—	33%	—	—
1890s	4	—	25%	25%	25%
1900s	6	—	83%	—	—
1910s	2	—	—	—	—
1920s	10	20%	40%	20%	10%
1930s	18	67%	22%	11%	—
1940s	25	48%	16%	16%	12%
1950s	36	67%	14%	3%	6%
1960s	36	33%	28%	11%	6%
1970s	40	60%	18%	12%	—
1980s	88	51%	28%	6%	1%
1990s	467	43%	28%	8%	4%
2000s	574	44%	32%	8%	2%
2010s	451	45%	32%	7%	2%
2020s	76	45%	39%	7%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Qb6	45%	45%	-0.1%
9…Bd7	32%	39%	▲ +7.3%
9…a6	7%	7%	▼ -0.5%
9…Ng4	2%	5%	▲ +2.8%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 5 parties
Euwe, Max — 4 parties
Lasker, Emanuel — 1 partie

Parties historiques

9…Qb6 — 44.7% (821 parties)

1924 — Lazard, Frederic vs Kohn, Stanislav — 0-1 — Paris FRA
1928 — Olland, Adolf George vs Euwe, Max — 0-1 — NED
1930 — Ahues, Carl vs Richter, Kurt P — 1/2-1/2 — Berlin GER
1933 — Rometti, Nicola Barbatto vs Frentz, Robert — 0-1 — Sarreguemines
1933 — Treybal, Karel vs Flohr, Salo — 0-1 — Mnichovo Hradiste

9…Bd7 — 30.3% (557 parties)

1885 — MacKenzie, George H vs Bird, Henry — 1/2-1/2 — Hereford
1894 — Physick, Thomas vs Wayte, William — 1-0 — ?
1903 — Loman, Rudolf vs Leussen, Benjamin — 1/2-1/2 — Hilversum NED
1905 — Kopa, Ignacy vs Hakansson, Arthur — 1-0 — Barmen GER
1905 — Jacobs, CS. vs Sawyer, Joseph — 0-1 — Montreal CAN

9…a6 — 7.8% (143 parties)

1893 — Ambicho Ponce, Angel Gabriel vs Lasker, Emanuel — 0-1 — Havana CUB
1927 — Perez Wertheim, Rodolfo vs Reti, Richard — 0-1 — The Hague NED
1929 — Cintron, Rafael L vs Turover, Isador — 0-1 — Bradley Beach
1935 — Szabo, Ladislav vs Gygli, Fritz — 1-0 — Warsaw POL
1939 — Platz, Joseph vs Eckstrom — 1-0 — New York, NY USA

9…Ng4 — 3.1% (56 parties)

1893 — Lasker, E. vs Golmayo Zupide, Celso — 1-0 — Havana CUB
1924 — Gudju, Ion ROM2 vs Kohn, Stanislaw POL3 — 1-0 — Paris FRA
1940 — Cortlever, Nico vs Wijnans, Arthur — 1-0 — Beverwijk NED
1946 — Sojka, Emil vs Grynfeld, Izaak — 1-0 — Sopot
1949 — Ufimtsev, Anatoly vs Tarasov, Vitaly — 1/2-1/2 — Leningrad RUS

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