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 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, des fous actifs en e2 et e3, 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 e5.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes g4 et e5, un avant-poste en e5, 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), ● 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 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	● h1	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e4-e5, ● f2-f3	● …d6-d5, ● …e7-e6, ● …e7-e5

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

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

Eval: [-0.15]

Les coups candidats

9…Bd7 — 45.4% (768 parties)

Ambassadeurs : Eliskases, Erich (4x), Bors, Sandor (4x), Barua, Dibyendu (3x), Kupreichik, Viktor D (3x), Proehl, Holger (3x), Bjerke, Silje (3x), Kolesar, Milan (3x), Pillsbury, Harry (2x)

9…d5 — 23.8% (403 parties)

Ambassadeurs : Erwich, Marc (5x), Inkiov, Ventzislav (5x), Kindermann, Stefan (3x), Alvarez, Roberto Gabriel (3x), Kmoch, Hans (2x), Vajda, Arpad (2x), Barua, Dibyendu (2x), Pulkkinen, Kari (2x)

9…a6 — 13.0% (219 parties)

Ambassadeurs : Spanjaard, Eduard (2x), Ruxton, Keith (2x), Lomond Gerald (2x), Mayo, Alvah (2x), Farrancha, Hector (2x), MacKinnon, Keith (2x), Huang, Renjie (2x), Szijjarto Szabo, B. (1x)

9…Nxd4 — 9.6% (162 parties)

Ambassadeurs : Eick, Michael (2x), Becker, Michael (2x), Hergott, Deen (2x), Ponceleusz, Bronislaw (2x), Slaby, Jerzy (2x), Berry, Jonathan (1x), Balmer, Charles (1x), Szabo, Stefan (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	87	52%	16%	17%	3%
1800-2200	759	48%	20%	14%	9%
2200-2600	342	43%	34%	8%	11%
2600+	3	67%	33%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Bd7	9…d5	9…a6	9…Nxd4
1890s	1	100%	—	—	—
1900s	1	100%	—	—	—
1920s	4	—	75%	25%	—
1930s	22	32%	32%	27%	—
1940s	13	15%	62%	23%	—
1950s	15	47%	20%	13%	7%
1960s	20	20%	30%	30%	10%
1970s	20	45%	25%	5%	15%
1980s	74	38%	39%	4%	11%
1990s	433	41%	32%	9%	12%
2000s	602	45%	20%	16%	10%
2010s	430	53%	17%	14%	7%
2020s	56	48%	27%	9%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Bd7	53%	48%	▼ -5.3%
9…d5	17%	27%	▲ +10.3%
9…a6	14%	9%	▼ -4.8%
9…Nxd4	7%	4%	▼ -3.9%

Joueurs célèbres

Champions du monde dans cette position

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

Parties historiques

9…Bd7 — 45.4% (768 parties)

1893 — Agnivesh Albin vs Pillsbury, Harry — 1-0 — New York, NY USA
1903 — Griffith De Leon, Meidelys Danielle vs Pillsbury, Harry — 1/2-1/2 — ?
1930 — Lacerda Guimaraes, Jose vs De Souza Mendes, Joao — 0-1 — Rio de Janeiro BRA
1932 — List, Paul vs Moritz, Bruno — 1/2-1/2 — Swinemunde
1933 — Rebizzo, Cayetano vs Piazzini, Luis — 1-0 — Buenos Aires ARG

9…d5 — 23.8% (403 parties)

1928 — Thomas, George Alan vs Buerger, Victor — 1/2-1/2 — Tenby
1928 — Glass, Eduard vs Kmoch, Hans — 0-1 — Vienna AUT
1928 — Heath, Christopher Barclay vs Winter, William — 0-1 — Tenby
1930 — Krogius, Ragnar vs Feigin, Movsa — 1-0 — Hamburg GER
1930 — Te Kolste, Jan Willem vs Spanjaard, Eduard — 1-0 — The Hague NED

9…a6 — 13.0% (219 parties)

1928 — Piccardt, CH. vs Spanjaard, Eduard — 1-0 — NED
1931 — Ayllon Soler, Pablo vs Gilg, Karl — 0-1 — Praag olm
1933 — Van Foreest, Dirk vs Spanjaard, Eduard — 0-1 — NED
1937 — Yanofsky, Daniel Abraham vs Rauch, Joseph Lyon — 1/2-1/2 — Quebec CAN
1938 — Benko, Francisco vs Abata Molina, Santiago Andres — 1/2-1/2 — Argentina

9…Nxd4 — 9.6% (162 parties)

1953 — Szabo, Stefan vs Milev, Alexandr — 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, Elian — 0-1 — FRG-ch Menden

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