Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Actif (mob. 7)
Be3	● Be3 Actif (mob. 5)
Bg7		● Bg7 Ok (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	● h1	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● e4-e5	● …d6-d5

B73d — Sicilian: Dragon, Classical, 9.Kh1

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.Kh1 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plan principal. Attaque sur l'aile roi (f4 dans 39 % des parties).

Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile dame (3 contre 2), un contrôle dominant de d4, b5 et d5, des fous actifs en e2 et e3 et la colonne semi-ouverte d.

Plans. f4 (Attaque à l'aile roi — 39 % des parties) ; Nxc6 (Menace d8 — 8 % des parties) ; Nb3 (6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Exploiter l'avant-poste e5.

Atouts. Les Noirs s'appuient sur un contrôle dominant de g4 et e5, un avant-poste en e5 et la colonne semi-ouverte c.

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

Plans. ...Bd7 (Fou actif (mobilité 6), Développer c8 — 42 % des parties) ; ...d5 (Occuper le centre — 30 % des parties) ; ...Nxd4 (Cavalier centralisé en d4 — 11 % des parties) ; ...a6 (Préparer expansion aile dame — 10 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1928 BCF Ch 21st – Round 11 – Heath, Christopher Barclay – 0-1 – Winter, William – G23 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. Kh1 d5 10. Nxd5 Nxe4
1928 BCF Ch 21st – Round 3 – Thomas, George Alan – 1/2-1/2 – Buerger, Victor – G7 1. e4 c5 2. Nf3 Nc6 3. Be2 Nf6 4. Nc3 g6 5. d4 cxd4 6. Nxd4 d6 7. O-O Bg7 8. Be3 O-O 9. Kh1 d5 10. exd5 Nb4
1928 Vienna – Round 13 – Glass, Eduard – 0-1 – Kmoch, Hans – G75 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. Kh1 d5 10. exd5 Nb4
1931 Argentina – Round 12 – Rebizzo, Cayetano – 1-0 – Holtey, Guillermo – G42 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. Kh1 d5 10. exd5 Nxd5
1931 Nice – Round 9 – Vajda, Arpad – 1/2-1/2 – Duchamp, Marcel – G23 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. Kh1 d5 10. Nxc6 bxc6
1931 Praag olm – Round 11 – Ayllon Soler, Pablo – 0-1 – Gilg, Karl – G48 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. Kh1 a6 10. a4 Qc7
1931 Prague ol Prague CZE – Round 18 – Vajda, Arpad – 1/2-1/2 – Kmoch, Hans – G65 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. Kh1 d5 10. exd5 Nxd5
1933 Buenos Aires – Round 1 – Rebizzo, Cayetano – 1-0 – Piazzini, Luis – 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. Kh1 Bd7 10. f4 Rc8
1935 Tatatovaros – Round 8 – Gereben, Erno – 1/2-1/2 – Szabo, Laszlo – G42 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. Kh1 Bd7 10. f4 a6
1938 Argentina – Round 20 – Benko, Francisco – 1/2-1/2 – Abata Molina, Santiago Andres – G88 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. Kh1 a6 10. a4 Qc7
1941 Krakow/Warsaw – Round 11 – Mross, Paul – 1-0 – Carls, Carl – G11 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. Kh1 d5 10. exd5 Nxd5
1946 Groningen – Round 4 – Christoffel, Martin – 0-1 – Stoltz, Gabriel – G23 1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. O-O Bg7 8. Be3 O-O 9. Kh1 Bd7 10. Nb3 Be6
1946 Pittsburgh Open – Round 1 – Levin Astorga, Nicolas Daniel – 1-0 – Evans Lianda – G54 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. Kh1 a6 10. f4 Na5
1948 Budapest – Round 2 – Tomovic, Vasilje – 1/2-1/2 – Gereben, Erno – G14 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. Kh1 d5 10. exd5 Nxd5
1950 CSR-BUL Prague CZE – Round 2 – Bobotsov, Milko G – 1-0 – Alster, Ladislav – G10 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. Kh1 d5 10. Nxc6 bxc6
1951 Mar del Plata zt – Round 10 – Pinzon Solis, Felipe – 0-1 – Eliskases, Erich – G99 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. Kh1 Bd7 10. f4 a6
1951 Mar del Plata zt – Round 12 – Sumar, Julio – 0-1 – Eliskases, Erich – G119 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. Kh1 Bd7 10. f4 a6
1951 Mar del Plata zt – Round 19 – Liebstein, Arturo – 0-1 – Eliskases, Erich – G187 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. Kh1 Bd7 10. Nb3 a5
1957 FRG Ch U20 – Round 12 – Pfleger, Helmut, Dr. – 1/2-1/2 – Drygas, Hilmar, Prof. Dr. – G13 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. Kh1 d5 10. exd5 Nxd5
1957 Mar del Plata – Round 12 – Rossetto, Hector – 1/2-1/2 – Panno, Oscar – G107 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Be2 O-O 8. O-O d6 9. Kh1 Be6 10. f4 Qd7
1957 WchT U26 04th – Round 11.2 – Munhu, Suren – 1/2-1/2 – Palmason, Gudmundur – G142 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. Kh1 Bd7 10. h3 Qc8
1960 Reggio Emilia 6061 03rd – Round 4 – Siveri, Armando – 1/2-1/2 – Cuderman, Vinko – G13 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. Kh1 d5 10. exd5 Nxd5
1961 Mar del Plata KIM – Round ? – Puiggros, Guillermo – 1/2-1/2 – Bielicki, Carlos – G25 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. Kh1 d5 10. exd5 Nxd5
1961 Mar del Plata KIM – Round 1 – Braut Grane, Joan – 1/2-1/2 – Bielicki, Carlos – G16 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. Kh1 a6 10. f4 Bd7
1968 Cardenas/Matanzas/Santa Clara – Round 11 – Mendivil Salinas, Ismael – 0-1 – Yepez, Olavo – G54 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. Kh1 a6 10. f4 Qc7
Munich Intel Express blitz '5 1994 – Round 1 – Kramnik, Vladimir – 1-0 – Cvitan, Ognjen – G8 1. e4 c5 2. Nc3 d6 3. Nge2 Nc6 4. d4 cxd4 5. Nxd4 g6 6. Be3 Bg7 7. Be2 Nf6 8. O-O O-O 9. Kh1 Bd7 10. f4 Rc8
World Blitz 2021 – Round 14.22 – Harikrishna, Pentala – 1/2-1/2 – Mamedov, Rauf – G820 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Be2 O-O 8. O-O d6 9. Kh1 Bd7 10. f4 Rc8

B73d — Dragon, Classical (1928)

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.Kh1

Les coups candidats

9…Bd7 — 46.0% (768 parties)

Ambassadeurs : Zhang, Lanlin (5x), Eliskases, Erich (4x), Barua, Dibyendu (3x), Kupreichik, Viktor D (3x), Kolesar, Milan (3x), Cote-Lalumiere, Tristan (3x), Liebstein, Arturo (2x), Bjerke, Silje (2x)

9…d5 — 23.3% (390 parties)

Ambassadeurs : Erwich, Marc (5x), Kindermann, Stefan (3x), Barua, Dibyendu (2x), Berube, Richard (2x), Mayer, Istvan (2x), Rigo, Janos (2x), Velickovic, Zoran (2x), Tan, Kevin (2x)

9…a6 — 12.6% (211 parties)

Ambassadeurs : Ruxton, Keith (2x), Jeske, Kirsten (2x), Farrancha, Hector (2x), MacKinnon, Keith (2x), Siemms, Ross E (1x), Joyner, Lionel (1x), Corominas, F. (1x), Tan, Lian Ann (1x)

9…Nxd4 — 9.8% (164 parties)

Ambassadeurs : Becker, Michael (2x), Hergott, Deen (2x), Berry, Jonathan (1x), Balmer, Charles (1x), Szabo, Stefan (1x), Milev, Zdravko (1x), Forteza Valls, Jose Maria (1x), Gorbea Yoller, Pablo (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Bd7	9…d5	9…a6	9…Nxd4
<1800	160	46%	19%	16%	7%
1800-2200	870	49%	19%	14%	10%
2200-2600	319	42%	35%	7%	12%
2600+	3	67%	33%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Bd7	9…d5	9…a6	9…Nxd4
1950s	16	44%	19%	19%	6%
1960s	20	20%	30%	30%	10%
1970s	20	45%	25%	5%	15%
1980s	74	38%	39%	4%	11%
1990s	436	41%	32%	8%	12%
2000s	604	46%	20%	16%	10%
2010s	432	53%	17%	14%	7%
2020s	69	51%	25%	9%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Bd7	53%	51%	▼ -2.7%
9…d5	17%	25%	▲ +8.0%
9…a6	14%	9%	▼ -5.0%
9…Nxd4	7%	6%	▼ -1.6%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

9…Bd7 — 46.0% (768 parties)

1951 — Sumar, Julio vs Eliskases, Erich — 0-1 — Mar del Plata ARG
1951 — Liebstein, Arturo vs Eliskases, Erich — 0-1 — Mar del Plata ARG
1951 — Liebstein, Arturo vs Eliskases, Erich — 0-1 — Mar del Plata zt Mar
1951 — Pinzon Solis, Felipe vs Eliskases, Erich — 0-1 — Mar del Plata ARG
1957 — Munhu, Suren vs Palmason, Gudmundur — 1/2-1/2 — Reykjavik ISL

9…d5 — 23.3% (390 parties)

1950 — Bobotsov, Milko G vs Alster, Ladislav — 1-0 — CSR-BUL Prague CZE
1955 — Ofstad, Per vs Navarovszky, Laszlo — 1/2-1/2 — Lyon FRA
1957 — Pfleger, Helmut, Dr. vs Drygas, Hilmar, Prof. Dr. — 1/2-1/2 — Berlin GER
1960 — Siveri, Armando vs Cuderman, Vinko — 1/2-1/2 — Reggio Emilia ITA
1961 — Puiggros, Guillermo vs Bielicki, Carlos — 1/2-1/2 — Mar del Plata ARG

9…a6 — 12.6% (211 parties)

1951 — Siemms, Ross E vs Joyner, Lionel — 1-0 — Montreal CAN
1957 — Braun, Alexander vs Scrimgeour — 1-0 — London ENG
1959 — Blackstone, John vs Arockia Benett Dawson — 1/2-1/2 — Omaha, NE
1961 — Gai, Sebastiano vs Rosino, Antonio — 0-1 — Imperia ITA
1961 — Grane, Eleuterio vs Bielicki, Carlos — 1/2-1/2 — Mar del Plata ARG

9…Nxd4 — 9.8% (164 parties)

1953 — Szabo, Stefan vs Milev, Zdravko — 1/2-1/2 — Bucharest ROU
1967 — Forteza Valls, Jose Maria vs Gorbea Yoller, Pablo — 1-0 — Palma de Majorca ESP
1969 — Berry, Jonathan vs Balmer, Charles — 1-0 — Richmond
1973 — Christensen, Svend-Erik vs Jensen, Allan Astrup — 1/2-1/2 — Brondby
1974 — Striebich, Rudolf vs Thomann, Johannes — 0-1 — FRG-ch Menden

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