Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→a6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1)	● g4 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0), ● d5 (2v1)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be2	● Be2 Actif (mob. 8)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	4 (● b8, ● c8, ● a8, ● h8)

Sécurité du roi

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

Thèmes

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

B70j — Sicilian: Dragon, 6.Be2 a6 7.a4 Bg7

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 a6 7.a4 Bg7 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. O-O (Mettre le roi en sécurité, connecter les tours — 61 % des parties) ; Be3 (Fou actif (mobilité 5), Développer c1 — 37 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...O-O (Mettre le roi en sécurité, connecter les tours — 74 % des parties) ; ...Nc6 (Développer b8 — 22 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1941 Munchen – Round 9 – Rabar, Bakhtyar Hamasaleh – 1-0 – Bogoljubow, Efim – G72 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be3 Ng4 8. Bc1 Bg7 9. Be2 Nf6 10. a5 Nc6
1942 Munich – Round 4 – Rabar, Braslav – 0-1 – Stoltz, Gösta – G33 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. Be3 Nc6 9. O-O O-O 10. Nb3 Be6
1946 Hastings4647 – Round 9 – Aitken, James – 1-0 – Raizman, Maurice – G40 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. Be3 O-O 9. O-O Nc6 10. f3 Be6
1950 Southsea – Round 3 – Aitken, James – 0-1 – Tartakower, Savielly – G16 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. Be3 O-O 9. O-O Nc6 10. f4 Ne8
1951 Vancouver – Round 2.3 – Hayes, Daniel – 0-1 – Bohatyrchuk, Fedir Parfenovych – G26 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. Be3 Nc6 9. O-O O-O 10. Nb3 Be6
1953 YUG-ITA m – Round 2.4 – Giustolisi, Alberto – 1/2-1/2 – Rabar, Braslav – G15 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. Qd2 d5
1955 Marshall CC Ch 5556 – Round 2 – Drakert, William – 1/2-1/2 – Saidy, Anthony – G6 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. Be3 Nc6 9. O-O O-O 10. f4 Qc7
1959 Quilmes – Round 2 – Puiggros, Guillermo – 0-1 – Sanguinetti, Raul – G28 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. h3 Bd7
1959 Quilmes – Round 9 – Puiggros, Guillermo – 1-0 – Luckis, Marcos – G57 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. h3 Bd7
1969 Novi Travnik ch YUG – Round 19 – Nikolic, Stanimir – 1/2-1/2 – ? – G17 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O b6 9. f4 Bb7 10. Bf3 e5
9. London Classic 2017 – Round 6.4 – Adams, Michael – 0-1 – Nepomniachtchi, Ian – G29 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. Qd2 Nxd4
Amber Blindfold 2000 – Round 4 – Ivanchuk, Vasyl – 1/2-1/2 – Gelfand, Boris – G15 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. a4 g6 9. Be2 Bg7 10. O-O Nc6
Bugojno 1978 – Round 3 – Tal, Mikhail – 1-0 – Byrne, Ray – G23 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. Be3 O-O 9. O-O Nc6 10. f4 Bd7
Cote d'Ivoire Rapid 2019 – Round 3.2 – Karjakin, Sergey – 1/2-1/2 – Vachier-Lagrave, Maxime – G12 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. Qd2 Rb8
FIDE World Cup 2017 – Round 4.2 – Grischuk, Alexander – 1/2-1/2 – Vachier-Lagrave, Maxime – G382 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. Qd2 Rb8
FIDE World Rapid Championship 2025 – Round 6 – Pichot Alan – 1/2-1/2 – Alexander Grischuk – G118 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. Be3 O-O 9. O-O Nc6 10. Qd2 Bd7
GCT Blitz Croatia 2021 – Round 12.1 – Anand, Viswanathan – 1/2-1/2 – Vachier-Lagrave, Maxime – G56 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. Qd2 Rb8
GCT Blitz Paris 2021 – Round 5.5 – Kramnik, Vladimir – 0-1 – Firouzja, Alireza – G24 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. Qd2 Bd7
Hoogovens 1987 – Round 12 – Van der Wiel, John T.H. – 1/2-1/2 – Ljubojevic, Ljubomir – G40 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. f4 Qc7 10. Nb3 Nbd7
Levitov Chess Week Rapid 2023 – Round 9.3 – Kramnik, Vladimir – 1/2-1/2 – So, Wesley – G43 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O Nc6 9. Be3 O-O 10. Qd2 Ng4
OHRA 1988 – Round 1 – Van der Wiel, John T.H. – 1-0 – Ljubojevic, Ljubomir – G11 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. f4 Nc6 10. Be3 Rb8
Sparkassen 2006 – Round 4 – Adams, Michael – 1-0 – Gelfand, Boris – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. Qd2 Nxd4
SWIFT 1986 – Round 1 – Zapata, Alonso – 1/2-1/2 – Ljubojevic, Ljubomir – G20 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Kh1 Nc6 10. Nb3 Be6
World Blitz 2016 – Round 18.26 – Pichot, Alan – 1-0 – Lu, Shanglei – G716 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. Qd2 Bd7
World Blitz 2016 – Round 20.6 – Mamedov, Rauf – 0-1 – Nakamura, Hikaru – G809 1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. a4 g6 5. d4 cxd4 6. Nxd4 Nf6 7. Be2 Bg7 8. O-O O-O 9. Nb3 b6 10. Re1 Bb7
World Blitz 2016 – Round 9.19 – Onyshchuk, Volodymyr – 1-0 – Mareco, Sandro – G353 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Re1 Nc6 10. Nb3 b6
World Blitz 2017 – Round 17.49 – Short, Nigel D – 0-1 – Al-Sayed, Mohammed – G907 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. f4 Re8
World Blitz 2018 – Round 2.10 – Karjakin, Sergey – 1-0 – Najer, Evgeniy – G75 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O Nc6 9. Be3 Bd7 10. Qd2 Rc8

B70j — Dragon (1941)

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 a6 7.a4 Bg7

Les coups candidats

8.O-O — 64.0% (418 parties)

Ambassadeurs : Van der Wiel, John T.H. (9x), Pichot, Alan (5x), King, Daniel J (4x), Kudrin, Sergey (4x), Karjakin, Sergey (4x), Nevednichy, Vladislav (4x), Vitolinsh, Alvis (3x), Barczay, Laszlo (3x)

8.Be3 — 33.8% (221 parties)

Ambassadeurs : Schneider, Heiko (3x), Felber, Joseph J. (3x), Hoen, Ragnar Harald (2x), Szmetan, Jorge (2x), Brondum, Eric (2x), Fahnenschmidt, Gerhard (2x), Berg, George (2x), Torrens, Oswaldo Gia (1x)

8.a5 — 0.8% (5 parties)

Ambassadeurs : Muessig, Frank (1x), Haasler, Andreas (1x), Yao, Lan (1x), Hu, Yu(HLJ) (1x), Blomqvist, Erik 2006 (1x), Seo, Jung Min (1x), Petrovsky, Nikita (1x), Sivuk, Vitaly (1x)

8.Nb3 — 0.5% (3 parties)

Ambassadeurs : Drozdov, Igor (1x), Gardner, Robert (1x), Heisterhagen, Tilman (1x), Bomert, Egon (1x), Duarte Diaz, Martire (1x), Olivo Espinal, Lewis Abel (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.O-O	8.Be3	8.a5	8.Nb3
<1800	27	37%	63%	—	—
1800-2200	201	47%	50%	1%	1%
2200-2600	333	77%	21%	1%	0%
2600+	39	85%	13%	3%	—

Évolution par décennie (% des parties)

Décennie	N parties	8.O-O	8.Be3	8.a5	8.Nb3
1950s	7	43%	57%	—	—
1960s	7	57%	43%	—	—
1970s	16	44%	50%	—	—
1980s	42	83%	14%	—	—
1990s	98	58%	39%	1%	2%
2000s	196	66%	33%	—	1%
2010s	190	63%	34%	1%	—
2020s	97	64%	33%	3%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.O-O	63%	64%	▲ +0.8%
8.Be3	34%	33%	▼ -1.2%
8.a5	1%	3%	▲ +2.6%
8.Nb3	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 2 parties
Hou, Yifan — 2 parties
Kramnik, Vladimir — 2 parties
Anand, Viswanathan — 1 partie

Parties historiques

8.O-O — 64.0% (418 parties)

1953 — Giustolisi, Alberto vs Rabar, Braslav — 1/2-1/2 — Bled SLO
1959 — Puiggros, Guillermo vs Amaro, Lucas Ibrair — 1-0 — Quilmes
1959 — Puiggros, Guillermo vs Sanguinetti, Raul — 0-1 — Quilmes
1961 — Ruszczycki, Jacek vs Klaput, Edward — 0-1 — Katowice ch18-POL
1962 — Lantsias, Andreas vs Bogdanov, Valentin — 0-1 — Varna BUL

8.Be3 — 33.8% (221 parties)

1950 — Abiolla James vs Tartakower, Savielly — 0-1 — Southsea
1951 — Torrens, Oswaldo Gia vs Toran Albero, Roman — 0-1 — Madrid ESP
1951 — Hayes, Adrien vs Bohatirchuk, Fedor — 0-1 — Vancouver
1955 — Drakert, William vs Saidy, Anthony — 1/2-1/2 — New York, NY USA
1962 — Dougherty, Doug vs Hellsten, Ole — 1/2-1/2 — Ottawa CAN

8.a5 — 0.8% (5 parties)

1997 — Muessig, Frank vs Haasler, Andreas — 1/2-1/2 — Mainz
2016 — Yao, Lan vs Hu, Yu(HLJ) — 1/2-1/2 — Harbin CHN
2022 — Petrovsky, Nikita vs Sivuk, Vitaly — 0-1 — Aktobe KAZ
2023 — Dragnev, Valentin vs Vachier-Lagrave, Maxime — 1/2-1/2 — Baku AZE
2024 — Blomqvist, Erik 2006 vs Seo, Jung Min — 1/2-1/2 — Vaxjo SWE

8.Nb3 — 0.5% (3 parties)

1992 — Heisterhagen, Tilman vs Bomert, Egon — 1/2-1/2 — Hessen qual GER
1998 — Drozdov, Igor vs Gardner, Robert — 1-0 — Montreal CAN
2000 — Duarte Diaz, Martire vs Olivo Espinal, Lewis Abel — 1-0 — Santo Domingo

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