B77a — Sicilian: Dragon, Yugoslav, 9.Bc4

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte d4, case forte e4, case forte b5, case forte d5, Be3 actif, Bc4 actif, paire de fous, colonne d.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé.
Problèmes : roi au centre.
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte e5, avant-poste e5(C), paire de fous, colonne c.
Faiblesses adverses : roi blanc au centre.
Problèmes : Bg7 enfermé, Bc8 enfermé.
Plans :
● ...Bf5 — Développer Bc8
● ...Na5 — Attaquer Bc4
● ...d5 — Rupture
● ...e6 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B77a — Dragon Yugoslav

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4

Eval: [+0.56]

Les coups candidats

9…Bd7 — 84.3% (26980 parties) →

Ambassadeurs : Szalanczi, Emil (93x), Farago, Sandor (80x), Simmelink, Joop Theo (79x), Kahn, Evarth Dr. (79x), Starace, Umberto (57x), Ernst, Thomas (50x), Gaponenko, Inna (45x), Daurelle, Herve (44x)

9…Nd7 — 4.1% (1298 parties) →

Ambassadeurs : Parkanyi, Attila (17x), Szylar, Eric (11x), Gleyzer, Leonid (9x), Mamedov, Rauf (8x), Paasikangas, Johanna (7x), Legahn, Dirk (7x), Blandon Villa, Luis Guillermo (7x), Vucinic, Gojko (7x)

9…Nxd4 — 3.7% (1177 parties) →

Ambassadeurs : Kololli, Kevin (9x), Loureda Garcia, Jose Antonio (8x), Kanarek, Marcel (8x), Muljadi, Paul (8x), Cartaya Verdecia, Michael (7x), Villeneuve, Robert (7x), Gagare, Shardul (6x), Socko, Bartosz (6x)

9…a6 — 2.0% (637 parties)

Ambassadeurs : Randolph, Donald (7x), Fischer, Raphael (3x), Boonen, Piet (3x), Vugs, J. (3x), Veiga Rodriguez, Pablo (3x), Heydarova, Aytaj (3x), Pustina, Ylvi (2x), Rijd (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Bd7	9…Nd7	9…Nxd4	9…a6
<1800	1213	81%	3%	3%	5%
1800-2200	11778	84%	4%	4%	2%
2200-2600	10309	89%	5%	3%	0%
2600+	180	87%	4%	7%	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Bd7	9…Nd7	9…Nxd4	9…a6
1910s	1	100%	—	—	—
1930s	2	100%	—	—	—
1950s	73	19%	11%	36%	14%
1960s	542	42%	12%	21%	5%
1970s	1111	80%	2%	5%	2%
1980s	2192	88%	3%	2%	1%
1990s	6672	85%	4%	3%	2%
2000s	10820	85%	5%	2%	2%
2010s	9443	86%	4%	3%	2%
2020s	1155	76%	2%	17%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Bd7	86%	76%	▼ -10.5%
9…Nd7	4%	2%	▼ -1.3%
9…Nxd4	3%	17%	▲ +14.1%
9…a6	2%	2%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Tal, Mikhail — 7 parties
Kasparov, Garry — 5 parties
Karpov, Aleksandr — 4 parties
Hou, Yifan — 2 parties
Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

9…Bd7 — 84.3% (26980 parties)

1911 — Giersing vs Brodersen, Jeppe — 0-1 — Klampenborg
1938 — Plater, Kazimierz vs Ropstorff — 0-1 — Krakow Krakow POL
1939 — Smyslov, Vladimir vs Rabinovich, Ilya Mar — 1/2-1/2 — Leningrad RUS
1956 — Fischer, Robert J vs Matthai, Heinz — 1/2-1/2 — Montreal CAN
1956 — Fischer, Robert J vs Matthai, Heinz — 1/2-1/2 — Montreal open

9…Nd7 — 4.1% (1298 parties)

1955 — Vasiukov, Evgeni vs Averbakh, Yuri L — 1-0 — Moscow RUS
1956 — Estrin, Yakov vs Voronkov, Boris — 0-1 — Moscow RUS
1956 — Byvshev, Vasily vs Kondratiev, Pavel E — 1-0 — Leningrad RUS
1956 — Dobias, Josef vs Herink, Miroslav — 1/2-1/2 — Chomutov
1957 — Bisguier, Arthur B vs Byrne, David — 1-0 — Cleveland, OH USA

9…Nxd4 — 3.7% (1177 parties)

1955 — Padevsky, Nikola vs Grosek, Branko — 1-0 — Ljubljana
1956 — Dworzynski, Roman vs Pilnik, Herman — 1/2-1/2 — Marianske Lazne/Praha
1956 — Tringov, Georgi P vs Bhend, Edwin — 1/2-1/2 — Moscow RUS
1957 — Suetin, Alexey S vs Barshauskas, Vitautas — 1-0 — Minsk BLR
1957 — Ramirez, Gilbert vs Cross, James — 1-0 — Hollywood, CA

9…a6 — 2.0% (637 parties)

1954 — Wade, Robert G vs Burstein, S — 1-0 — Munich GER
1954 — Bolshakov, Aleksey vs Gufeld, Eduard — 1/2-1/2 — ?
1954 — De Paoli, Emilio vs Morcken, Otto B — 1-0 — Amsterdam NED
1955 — Bannik, Anatolij vs Khanov, Kurban — 1-0 — Riga LAT
1956 — Anderson, Frank Ross vs Orlando, Roy — 1-0 — Toronto CAN

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● g2→f3, f3→e4	● e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be3	● Be3 Actif (mob. 5)
Bc4	● Bc4 Actif (mob. 9)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	2 (a1, h1)	2 (c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e4-e5, ● f3-f4	● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1953 URS-ch21 sf – Round ? – Panov, Vasily – 1/2-1/2 – Suetin, Alexey S – G7 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 O-O 8. Bc4 d6 9. Qd2 Qa5 10. O-O-O Nxd4
1954 Munich zt – Round 6 – Wade, Robert G – 1-0 – Burstein, S – G37 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 O-O 8. Qd2 Nc6 9. Bc4 a6 10. h4 Nxd4
1955 USSR – Round 14.4 – Bannik, Anatolij – 1-0 – Khanov, Kurban – G16 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 a6 10. O-O-O Qc7
1956 Harmonie CC Open – Round 5 – Anderson, Frank Ross – 1-0 – Orlando, Roy – G5 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 a6 10. O-O-O Bd7
1956 Marianske Lazne/Praha – Round 11 – Fichtl, Jiri – 1-0 – Alster, Ladislav – G75 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Na5 10. Bb3 a6
1958 Tashkent ch URS sf – Round ? – Bastrikov, Georgy – 1-0 – Simagin, Vladimir – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6 8. f3 O-O 9. Qd2 Na5 10. Bb3 a6
1959 New York ch-USA – Round 5 – Sherwin, James T – 1/2-1/2 – Seidman, Herbert – G28 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4 Nc6 9. Qd2 Na5 10. Bb3 Nxb3
1959 Warsaw Legion tt – Round 2.2 – Grabczewski, Romuald – 0-1 – Djaja, Dragutin – G12 1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 g6 7. f3 Bg7 8. Qd2 O-O 9. Bc4 Na5 10. Bb3 Nxb3
1960 CSR Ch – Round 6 – Hort, Vlastimil – 1-0 – Prucha, Karel – G51 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. f3 O-O 8. Be3 Nc6 9. Qd2 Qc7 10. Bb3 a6
1960 CSR Ch – Round 8 – Cucka, Josef – 1-0 – Prucha, Karel – G70 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4 Nc6 9. Qd2 Qa5 10. O-O-O Nxd4
1960 Leipzig olm fin-B – Round 10 – Kostro, Jerzy – 1/2-1/2 – Rodriguez Gonzales, Jesus – G130 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 d6 7. Qd2 Nf6 8. f3 O-O 9. Bc4 Qa5 10. O-O-O Nxd4
1960 Leipzig olm fin-C – Round 1 – Noradounghian, Georges – 0-1 – Aguirre Reyes, Jorge Alberto – G4 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 a6 10. O-O-O Nxd4
1960 Leipzig olm prel – Round 2 – Fischer, Raphael – 0-1 – Amurrio Munoz, Carlos Enrique – G60 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 a6 10. Bb3 Qa5
1960 Skittles – Round ? – Blackstone, John – 1-0 – Mueller, E.H. – G16 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 Nc6 8. f3 O-O 9. Qd2 Re8 10. O-O-O Na5
1961 Baku ch-URS – Round 1 – Gipslis, Aivars – 1-0 – Gurgenidze, Bukhuti – G8 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Na5 10. Bb3 Nxb3
1961 Budapest ch-HUN – Round 1 – Varnusz, Egon – 0-1 – Honfi, K. – G69 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 a6 10. O-O-O Bd7
1961 GBR Ch 48th – Round 7.6 – Cafferty, Bernard – 1/2-1/2 – Wood, Baruch – G58 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 O-O 8. f3 Nc6 9. Qd2 a6 10. O-O-O Nxd4
1963 Zonal Enschede NED – Round 1 – Kupper, Patrick – 1-0 – Pomar Salamanca, Arturo – G7 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Na5 10. Bb3 b6
1964 Tel Aviv olm fin-C – Round 4 – Mazzoni, Guy – 1-0 – Martinez, Fernando – G21 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 Nc6 8. Qd2 O-O 9. Bc4 Na5 10. Bb3 Nxb3
1965 Corr – Round 1 – Hasemann – 1-0 – De Meyer, Alexander – G17 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 O-O 8. f3 Nc6 9. Qd2 Qa5 10. O-O-O Nxd4
1965 Corr – Round 1 – Pietrusiak, Bogdan – 1-0 – Blom, Kaj – G12 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be3 Nf6 6. Nc3 d6 7. Bc4 O-O 8. f3 Nc6 9. Qd2 a6 10. Bb3 Nxd4
1965 SWE Ch – Round 13 – Kinnmark, Ove – 1-0 – Abramsson, Lars – G42 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 d6 6. Be3 Nf6 7. f3 O-O 8. Bc4 Nc6 9. Qd2 a6 10. O-O-O Nxd4
1966 Corr ICCF M – Round ? – Schrancz, Istvan – 1-0 – De Meyer, Hendrik – G2 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 O-O 8. Bc4 Nc6 9. Qd2 Qa5 10. O-O-O Nxd4
1968 SWE Ch – Round 7 – Johansson, Martin 1979 – 1-0 – Fridh, Anton – G15 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4 Nc6 9. Qd2 Na5 10. Bb3 Nxb3

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