B70w — Sicilian: Dragon, 6.Be2 Bg7 7.O-O O-O 8.Bg5 Nc6 9.Nb3 Be6 10.Kh1

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O O-O 8.Bg5 Nc6 9.Nb3 Be6 10.Kh1 * ● 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 b5, case forte d5, Be2 actif, Bg5 actif, paire de fous, colonne d.
Faiblesses adverses : Bg7 enfermé.
Plans :
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte g4, case forte e5, avant-poste e5(C), Be6 actif, paire de fous, colonne c.
Problèmes : Bg7 enfermé.
Plans :
● ...d5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B70w — Dragon

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O O-O 8.Bg5 Nc6 9.Nb3 Be6 10.Kh1

Eval: [-0.17]

Les coups candidats

10…Rc8 — 28.8% (308 parties)

Ambassadeurs : Rodrigo Yanguas, Maria (4x), Mainka, Romuald (3x), Sziva, Erika (3x), Rogers, Ian (3x), Kotsur, Pavel (3x), Gaponenko, Inna (3x), Vogt, Lothar (2x), Perenyi, Bela (2x)

10…Na5 — 23.6% (252 parties)

Ambassadeurs : Inkiov, Ventzislav (5x), Khalifman, Alexander (5x), Salov, Sergej (4x), Lerner, Konstantin Z (3x), Volaks, Boleslavs (3x), Gipslis, Aivars (3x), Onoprienko, Vladimir (3x), Cabrilo, Goran (3x)

10…a5 — 15.9% (170 parties)

Ambassadeurs : Valvo, Michael J (3x), Belotti, Bruno (3x), Womacka, Mathias (3x), Vogt, Lothar (2x), Barczay, Laszlo (2x), Greene, Sanford I (2x), Chandler, Murray G (2x), Groszpeter, Attila (2x)

10…h6 — 10.3% (110 parties)

Ambassadeurs : Mestel, A Jonathan (5x), Kovacevic, Aleksandar (4x), Sax, Gyula (3x), Parma, Bruno (3x), Hebden, Mark L (2x), Vogt, Lothar (2x), Ornstein, Axel (2x), Basin, Leonid (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…Rc8	10…Na5	10…a5	10…h6
<1800	14	43%	14%	14%	—
1800-2200	309	37%	19%	12%	5%
2200-2600	574	25%	25%	17%	14%
2600+	6	33%	—	33%	17%

Évolution par décennie (% des parties)

Décennie	N parties	10…Rc8	10…Na5	10…a5	10…h6
1960s	1	—	—	100%	—
1970s	55	16%	31%	29%	2%
1980s	156	17%	26%	24%	17%
1990s	253	24%	30%	19%	13%
2000s	297	32%	24%	10%	6%
2010s	272	40%	16%	12%	8%
2020s	34	26%	15%	6%	24%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…Rc8	40%	26%	▼ -13.6%
10…Na5	16%	15%	▼ -1.5%
10…a5	12%	6%	▼ -6.6%
10…h6	8%	24%	▲ +15.4%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 4 parties
Karpov, Aleksandr — 2 parties
Kramnik, Vladimir — 1 partie

Parties historiques

10…Rc8 — 28.8% (308 parties)

1973 — Hennings, Artur vs Brueggemann, Joachim — 1/2-1/2 — DDR-ch 22th Erfurt GER
1975 — Lindoerfer, Klaus vs Klundt, Klaus — 1/2-1/2 — Coburg
1978 — Marasescu, Ioan vs Natsis, Trifon — 1/2-1/2 — Baile Herculane
1979 — Bernard, Ryszard vs Beltz, Robert — 1/2-1/2 — Rostock GER
1979 — Komic, Ibrahim vs Pekovic, Dusan — 1-0 — Donji Milanovac

10…Na5 — 23.6% (252 parties)

1976 — Gaprindashvili, Nona vs Szilagyi, Gyorgy Laszlo — 1-0 — Sandomierz
1977 — Adorjan, Andras vs Sosonko, Gennadi — 1/2-1/2 — Amsterdam NED
1977 — Karpov, Anatoly vs Webb, Richard M — 1-0 — London ENG
1977 — Sigurjonsson, Gudmundur vs Sosonko, Gennadi — 1/2-1/2 — Geneve Geneva SUI
1977 — Byrne, Ray vs Martin Gonzalez, Alejandro 1964 — 1-0 — Montilla Moriles

10…a5 — 15.9% (170 parties)

1962 — Skold, Kristian vs Nilsson, Zandor — 1/2-1/2 — Stockholm SWE
1976 — Eisen, David J vs Greene, Sanford I — 1-0 — corres USA
1977 — Olafsson, Helgi vs Valvo, Michael J — 1-0 — New York, NY USA
1977 — Karpov, Anatoly vs Hernandez Onna, Roman — 1-0 — Las Palmas ESP
1977 — Gaprindashvili, Nona vs Beliavsky, Alexander G — 1-0 — USSR

10…h6 — 10.3% (110 parties)

1978 — Lalev, Dimitar vs Cvitan, Ognjen — 0-1 — Baile Herculane
1980 — Sax, Gyula vs Parma, Bruno — 1/2-1/2 — La Valetta
1980 — Sax, Gyula vs Parma, Bruno — 1/2-1/2 — Malta ol
1980 — Sax, Gyula vs Parma, Bruno — 1/2-1/2 — Olympiad, Malta
1982 — Norgaard, Jesper vs Winants, Luc — 1/2-1/2 — Wch jr Copenhagen

	♔ 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 (2v0), ● d5 (3v2)	● g4 (2v1), ● e5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (3v2)	● e5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Actif (mob. 7)
Bg5	● Bg5 Actif (mob. 7)
Be6		● Be6 Actif (mob. 8)
Bg7		● Bg7 Enfermé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	1 (a1)	1 (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

Partie
1962 Stockholm int. turneringen – Round 4 – Skold, Kristian – 1/2-1/2 – Nilsson, Zandor – G7 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Bg5 Nc6 9. Nb3 Be6 10. Kh1 a5
41. Olympiad Open 2014 – Round 11.13 – Cubas, Josese – 0-1 – Tiviakov, Sergei – G759 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be2 Bg7 6. Nb3 Nf6 7. Nc3 d6 8. O-O O-O 9. Bg5 Be6 10. Kh1 a5
FIDE WCh KO 2000 – Round 3.5 – Khalifman, Alexander – 1/2-1/2 – Leko, Peter – G34 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nb3 Nf6 7. Be2 d6 8. O-O O-O 9. Bg5 Be6 10. Kh1 Rc8
Las Palmas 1977 – Round 1 – Karpov, Anatoly – 1-0 – Hernandez Onna, Roman – G1 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O Nc6 8. Nb3 O-O 9. Bg5 Be6 10. Kh1 a5
Las Palmas 1977 – Round 10 – Karpov, Anatoly – 1-0 – Martin Gonzalez, Angel – G20 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Bg5 Nc6 9. Nb3 Be6 10. Kh1 a6
World Cup 1988 – Round ? – Ljubojevic, Ljubomir – 1/2-1/2 – Korchnoi, Viktor – G106 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. O-O Bg7 8. Nb3 O-O 9. Bg5 Be6 10. Kh1 h6

1962 Stockholm int. turneringen – Round 4 – Skold, Kristian – 1/2-1/2 – Nilsson, Zandor – G7

41. Olympiad Open 2014 – Round 11.13 – Cubas, Josese – 0-1 – Tiviakov, Sergei – G759

FIDE WCh KO 2000 – Round 3.5 – Khalifman, Alexander – 1/2-1/2 – Leko, Peter – G34

Las Palmas 1977 – Round 1 – Karpov, Anatoly – 1-0 – Hernandez Onna, Roman – G1

Las Palmas 1977 – Round 10 – Karpov, Anatoly – 1-0 – Martin Gonzalez, Angel – G20

World Cup 1988 – Round ? – Ljubojevic, Ljubomir – 1/2-1/2 – Korchnoi, Viktor – G106