B40 — Sicilian Defense: French Variation, Westerinen Attack

1. e4 c5 2. Nf3 e6 3. b3 ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte c4, paire de fous.
Faiblesses adverses : arriéré d7, Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nbd2 — Développer Nb1
● d3 — Libérer Bc1
● Bd3 — Développer Bf1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, arriéré d7, 6 pièces non développées (B8, G8, C8, F8, A8, H8).
Plans :
● ...d6 — Libérer Bc8 [Masters 18%]
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nc6 — Développer Nb8 [Masters 20%]
● ...Nf6 — Développer Ng8 [Masters 8%]
● ...b6 — Masters 30%

Avantages

Faiblesses adverses

Diagonale active

Plans

Base Masters : Blancs 34.7%, Nulles 35.0%, Noirs 30.3%.

B40c —

1.e4 c5 2.Nf3 e6 3.b3

Eval: [+0.02]

Les coups candidats

3…Nc6 — 25.7% (2471 parties) →

Ambassadeurs : Miezis, Normunds (17x), Georgiev, Krum (16x), Cabarkapa, Novak (12x), Boehnisch, Manfred (8x), Sperdokli, Elli (6x), Yandemirov, Valeri (6x), Bellin, Robert (6x), Csonka, Alexandra Dzsenifer (6x)

3…b6 — 23.5% (2259 parties)

Ambassadeurs : Antipov, Mikhail Al. (17x), Kovalevskaya, Ekaterina (11x), Ardeleanu, Alin (11x), Georgiev, Krum (10x), Dixit, Nikhil (9x), Velicka, Petr (9x), Schneider, David (8x), Pedzich, Dominik (8x)

3…d6 — 17.4% (1678 parties) →

Ambassadeurs : Georgiev, Krum (15x), Boehnisch, Manfred (14x), Oral, Tomas (12x), Velikov, Petar (11x), Espig, Lutz (10x), Miljanic, Boro (9x), Bus, Mariusz (8x), Westerinen, Heikki M.J. (7x)

3…a6 — 15.8% (1520 parties)

Ambassadeurs : Antipov, Mikhail Al. (10x), Mammadova, Gulnar (9x), Bousios, Hristos (8x), Kaenel, Hansjuerg (8x), Georgiev, Krum (8x), Iotov, Valentin (8x), Oral, Tomas (6x), Skripchenko, Almira (6x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3…Nc6	3…b6	3…d6	3…a6
<1800	210	34%	8%	16%	13%
1800-2200	2913	32%	17%	15%	15%
2200-2600	5631	21%	29%	19%	17%
2600+	161	14%	29%	20%	27%

Évolution par décennie (% des parties)

Décennie	N parties	3…Nc6	3…b6	3…d6	3…a6
1850s	1	—	100%	—	—
1870s	1	100%	—	—	—
1900s	2	—	—	—	—
1920s	2	—	—	—	—
1940s	1	100%	—	—	—
1950s	6	33%	—	—	—
1960s	10	40%	—	30%	10%
1970s	159	24%	8%	31%	3%
1980s	437	24%	12%	31%	12%
1990s	1304	26%	20%	22%	12%
2000s	2809	24%	22%	20%	14%
2010s	3744	26%	26%	15%	18%
2020s	1143	27%	31%	8%	21%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3…Nc6	26%	27%	▲ +1.2%
3…b6	26%	31%	▲ +5.2%
3…d6	15%	8%	▼ -6.8%
3…a6	18%	21%	▲ +3.3%

Joueurs célèbres

Champions du monde dans cette position

Carlsen, Magnus — 9 parties
Kasparov, Garry — 8 parties
Tal, Mikhail — 6 parties
Smyslov, Vladimir — 3 parties
Kramnik, Vladimir — 2 parties
Anand, Viswanathan — 2 parties
Botvinnik, Mikhail — 1 partie
Ding, Liren — 1 partie
Ju, Wenjun — 1 partie
Karpov, Anatoly — 1 partie
Gukesh D — 1 partie

Parties historiques

3…Nc6 — 25.7% (2471 parties)

1878 — Paulsen, Louis vs Anderssen, Adolf — 1-0 — Frankfurt GER
1945 — Czerniak, Moshe vs Reinhardt, Enrique — 1-0 — Quilmes
1958 — Bhend, Edwin vs Van Scheltinga, Theo — 1/2-1/2 — Chaumont Neuchatel
1958 — Simagin, Vladimir vs Gipslis, Aivars — 1/2-1/2 — Tashkent ch URS sf
1964 — Tal, Mikhail vs Petrosian, Tigran V. — 1/2-1/2 — Kiev ch-URS

3…b6 — 23.5% (2259 parties)

1850 — London, Alexander H vs Amsterdam, Amuscka — 1/2-1/2 — cr.
1971 — Westerinen, Heikki M.J. vs Capelan, Guenter — 1-0 — Berlin West
1975 — Seret, Jean-Luc vs Mariotti, Sergio — 1-0 — Ostende tt
1977 — Lein, Anatoly vs Garcia Palermo, Carlos Horacio — 1-0 — Lone Pine open
1977 — Westerinen, Heikki M.J. vs Weiss, Benjamin — 0-1 — New York, NY USA

3…d6 — 17.4% (1678 parties)

1965 — Bhend, Edwin vs Cuijpers, Frans Andre — 0-1 — Berlin GER
1966 — Aguilera Rocha, Angelina vs Rubinetti, Jorge — 1/2-1/2 — Buenos Aires/Rio Hondo
1969 — Kholmov, Ratmir D vs Tukmakov, Vladimir B — 1-0 — Moskou ch-URS
1970 — Westerinen, Heikki M.J. vs Huebner, Robert — 0-1 — Sombor
1971 — Boehnisch, Manfred vs Donnert, Milan — 0-1 — Leipzig GER

3…a6 — 15.8% (1520 parties)

1960 — Moppett, Arthur vs Collins, Richard Arnold — 0-1 — Hayes
1973 — Boehnisch, Manfred vs Boehlig, Heinz, Dr. — 1-0 — Olomouc CZE
1973 — Chekhov, Valery A vs Kozlov, Vladimir N — 1-0 — Odessa UKR
1973 — Makarichev, Sergey vs Beliavsky, Alexander G — 0-1 — Riga LAT
1977 — Biriescu, Ioan vs Illijin, Neboisa — 1/2-1/2 — Timisoara

Coups candidats

auto

Analyse coup par coup — 5 demi-coups commentés

1.e4 Avancée centrale — contrôle d5, f5. Prépare d4, f4, Bc4, Bd3.
1…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.
2.Nf3 Contrôle c4, d4, d5, e5.
2…e6 Avancée centrale — contrôle d5, f5. Prépare d5, Be7, Bd6.
3.b3 Prépare le fianchetto du Fou (Bb2, Ba3).

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● d7
Chaînes	● a2→b3, c2→b3	● d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c4 (2v0)	—
Cases faibles	—	—
Centre	● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, c1, f1, a1, h1)	6 (b8, g8, c8, f8, 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	semi-ouvert
Ruptures	● c2-c3, ● d2-d3, ● e4-e5	● …c5-c4, ● …d7-d6, ● …d7-d5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
19. European Teams 2013 – Round 1.3 – Borisek, Jure – 1/2-1/2 – Hamdouchi, Hicham – G31 1. e4 c5 2. b3 e6 3. Nf3 a6 4. Bb2 Nc6 5. c4 d5 6. cxd5 exd5 7. exd5 Nb4 8. Be2 Nf6 9. O-O Be7 10. d4 O-O
1925 DSB-24.Kongress – Round 1 – Bogoljubow, Efim – 1-0 – Bluemich, Max – G3 1. e4 c5 2. Nf3 e6 3. b3 d5 4. Bb5+ Nc6 5. exd5 exd5 6. O-O Be7 7. d4 Nf6 8. dxc5 O-O 9. Bb2 Bxc5 10. Bxc6 bxc6
1957 Moskou ch-URS – Round 11 – Aronin, Lev – 1/2-1/2 – Taimanov, Mark E – G112 1. e4 c5 2. Nf3 e6 3. b3 d5 4. exd5 exd5 5. Bb2 Nf6 6. Bb5+ Nc6 7. Qe2+ Be7 8. Bxf6 gxf6 9. Nc3 O-O 10. O-O Bg4
1958 Torneo de las Americas 1st – Round 6 – Denis Francisco – 0-1 – Panno, Oscar – G31 1. e4 c5 2. Nf3 e6 3. b3 Nf6 4. Nc3 Nc6 5. Bb2 Be7 6. e5 Ng4 7. Ne4 O-O 8. h3 f5 9. Ng3 Nh6 10. Bd3 b6
1965 POL Ch 22th – Round 11 – Sydor, Andrzej – 1/2-1/2 – Brzozka, Stefan – G61 1. e4 c5 2. Nf3 e6 3. b3 d5 4. exd5 exd5 5. d4 Nc6 6. Be2 Be7 7. O-O Nf6 8. dxc5 Bxc5 9. Nc3 O-O 10. Bg5 Be7
1967 Sweden (ch) – Round 8 – Skold, Kristian – 0-1 – Martens, Rolf – G39 1. e4 c5 2. Nf3 e6 3. b3 d5 4. exd5 exd5 5. d4 Nc6 6. Be2 cxd4 7. O-O Bc5 8. Bb2 Qb6 9. c3 Nge7 10. cxd4 Bd6
41. Olympiad Open 2014 – Round 1.8 – Garcia Fuentes, Sergio Miguel – 0-1 – Ni, Hua – G71 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. Nc3 Nc6 6. Bb5 Nf6 7. O-O Nd4 8. Bd3 Qb8 9. Nxd4 cxd4 10. Nb5 Nxe4
41. Olympiad Open 2014 – Round 2.16 – Ali, Sebbar – 0-1 – Navara, David – G110 1. e4 c5 2. Nf3 e6 3. b3 b6 4. c4 Bb7 5. Nc3 Nf6 6. e5 Ne4 7. Bb2 Be7 8. Be2 Nxc3 9. Bxc3 Nc6 10. O-O d6
6. World Blitz 2010 – Round 12.1 – Carlsen, Magnus – 0-1 – Grachev, Boris – G77 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bd3 Bb7 5. O-O d6 6. c3 Nf6 7. Re1 Be7 8. Bc2 Nc6 9. a3 Ne5 10. d4 cxd4
75. Tata Steel GpA 2013 – Round 9.7 – Nakamura, Hikaru – 1/2-1/2 – Giri, Anish – G47 1. e4 c5 2. Nf3 e6 3. b3 a6 4. c4 d6 5. d4 cxd4 6. Qxd4 Nf6 7. Nc3 Be7 8. Be2 O-O 9. O-O Qc7 10. Rd1 Rd8
Brussels blitz 1987 – Round 1 – Tal, Mikhail – 0-1 – Van der Wiel, John T.H. – G62 1. e4 c5 2. Nf3 e6 3. b3 Nf6 4. e5 Nd5 5. Bb2 Nc6 6. c4 Nc7 7. Nc3 d6 8. exd6 Bxd6 9. Ne4 O-O 10. d4 cxd4
FIDE World Rapid 2014 – Round 11.30 – Antipov Olano, Maxim – 1-0 – Milov, Vadim – G255 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. Qe2 Nc6 6. Nc3 Nd4 7. Qd3 Nxf3+ 8. Qxf3 Nf6 9. O-O-O a6 10. Qe3 Qc7
FIDE World Rapid 2014 – Round 14.25 – Antipov, Mikhail Al. – 1-0 – Potkin, Vladimir – G314 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. Qe2 Nc6 6. Nc3 Be7 7. O-O-O Nd4 8. Qe3 Nxf3 9. gxf3 Nf6 10. Rg1 Rg8
FIDE World Rapid 2014 – Round 6.16 – Harikrishna, Pentala – 1-0 – Matlakov, Maxim – G56 1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 Nc6 5. Be2 Nf6 6. Nc3 d5 7. exd5 exd5 8. d4 Bg4 9. Ne5 Bf5 10. Nxc6 bxc6
FIDE World Rapid 2014 – Round 9.10 – Vachier-Lagrave, Maxime – 1/2-1/2 – Van Wely, Loek – G168 1. e4 c5 2. Nf3 e6 3. b3 b6 4. d4 cxd4 5. Nxd4 Bb7 6. Bd3 Nc6 7. Nxc6 Bxc6 8. Bb2 Nf6 9. Nd2 d6 10. Qe2 Be7
FIDE World Rapid Championship 2025 – Round 3 – Jonas Buhl Bjerre – 1-0 – Abdusattorov Nodirbek – G59 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. Nc3 Nc6 6. Qe2 Nd4 7. Nxd4 cxd4 8. Nb5 e5 9. Qh5 d6 10. Bc4 Qd7
Levitov Chess Week Rapid 2023 – Round 7.2 – Svidler, Peter – 1/2-1/2 – Gelfand, Boris – G32 1. Nf3 c5 2. e4 e6 3. b3 d5 4. exd5 exd5 5. Bb5+ Nc6 6. O-O Bd6 7. Bb2 Nf6 8. Re1+ Be6 9. Bxc6+ bxc6 10. d3 O-O
Moscow Tal Memorial 7. Blitz 2012 – Round 6 – Carlsen, Magnus – 1-0 – Caruana, Fabiano – G21 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. Bd3 Nc6 6. c3 Nf6 7. Bc2 d5 8. e5 Nd7 9. d4 cxd4 10. cxd4 Nb4
Olympiad 2002 – Round 13 – Adams, Michael – 1/2-1/2 – Lutz, Christopher – G457 1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 d6 5. c4 Nf6 6. Nc3 Be7 7. d4 cxd4 8. Nxd4 O-O 9. Bd3 Bd7 10. O-O Nc6
Phillips&Drew 1982 – Round 1 – Short, Nigel D – 0-1 – Portisch, Lajos – G22 1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 Nc6 5. Be2 Nf6 6. e5 Nd5 7. O-O Be7 8. Nc3 Nf4 9. Ne4 Qc7 10. Re1 O-O
Qatar Masters Open 2015 – Round 1.29 – Akopian, Vladimir – 1/2-1/2 – Padmini, Rout – G22 1. e4 c5 2. Nf3 e6 3. b3 b6 4. c4 Bb7 5. Nc3 Nf6 6. Bd3 Nc6 7. Bb2 Qb8 8. O-O Ng4 9. g3 h5 10. Nd5 h4
Sparkassen Cat XXI 2001 – Round 6 – Adams, Michael – 1/2-1/2 – Leko, Peter – G17 1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 Nc6 5. g3 d6 6. d4 cxd4 7. Nxd4 Nf6 8. Nxc6 bxc6 9. e5 dxe5 10. Qxd8+ Kxd8
SuperUnited Blitz 2023 – Round 14.3 – Caruana, Fabiano – 1-0 – Lupulescu, Constantin – G68 1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 Nc6 5. c4 Qc7 6. h3 b6 7. Be2 Bb7 8. O-O d6 9. d4 cxd4 10. Nxd4 Nf6
Tallinn 1973 – Round 1 – Westerinen, Heikki M.J. – 0-1 – Tal, Mikhail – G28 1. e4 c5 2. Nf3 e6 3. b3 Nf6 4. e5 Nd5 5. Bb2 Be7 6. c4 Nc7 7. Nc3 f6 8. Ne4 fxe5 9. Nxe5 O-O 10. d4 cxd4
TCh-RUS 2008 – Round 8 – Akopian, Vladimir – 1-0 – Romanov, Egor S. – G219 1. e4 c5 2. Nf3 e6 3. b3 d5 4. exd5 exd5 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. O-O Nf6 8. d4 Be7 9. dxc5 O-O 10. Bb2 Na6
Ultimate Blitz Challenge 2016 – Round 7.2 – Kasparov, Garry – 0-1 – So, Wesley – G14 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bd3 Bb7 5. O-O Nf6 6. e5 Nd5 7. Be4 Qc7 8. Re1 Be7 9. Bb2 b5 10. Na3 a6
World Blitz 2009 – Round 28 – Carlsen, Magnus – 1-0 – Svidler, Peter – G285 1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 d5 5. exd5 exd5 6. d4 Nf6 7. Be2 Nc6 8. O-O cxd4 9. Nxd4 Bc5 10. Nxc6 bxc6
World Blitz 2015 – Round 16.55 – Antipov Olano, Maxim – 1-0 – Van Wely, Loek – G1020 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. Qe2 Nc6 6. Nc3 Rc8 7. O-O-O Nge7 8. Qe3 Ng6 9. e5 d5 10. exd6 Bxd6
World Blitz 2015 – Round 6.15 – Onyshchuk, Volodymyr – 1-0 – Zhang, Zhong – G349 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. Nc3 d6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. e5 dxe5 10. Nxe5 Qc8
World Blitz 2016 – Round 12.33 – Ghaem Maghami, Ehsan – 0-1 – Mchedlishvili, Mikheil – G487 1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 Nc6 5. c4 Nge7 6. Be2 Ng6 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 e5 10. Qd2 Bc5
World Blitz 2016 – Round 13.13 – Onyshchuk, Volodymyr – 0-1 – Najer, Evgeniy – G508 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. Nc3 a6 6. g3 Nf6 7. Bg2 d6 8. O-O Be7 9. e5 dxe5 10. Nxe5 Bxg2
World Blitz 2016 – Round 18.8 – Onyshchuk, Volodymyr – 1-0 – Bosiocic, Marin – G734 1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 Nc6 5. c4 Nge7 6. Nc3 Ng6 7. g3 Bd6 8. d4 cxd4 9. Nxd4 Nxd4 10. Qxd4 Be5
World Blitz 2016 – Round 20.35 – Ghaem Maghami, Ehsan – 1-0 – Jumabayev, Rinat – G798 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. Nc3 Nf6 6. e5 Nd5 7. Ne4 Nf4 8. d3 h6 9. g3 Ng6 10. h4 Be7
World Blitz 2017 – Round 11.39 – Zhao, Jun – 0-1 – Bocharov, Dmitry – G582 1. e4 c5 2. Nf3 e6 3. b3 b6 4. d4 cxd4 5. Nxd4 Bb7 6. Bd3 Bc5 7. Nf3 Nf6 8. Qe2 Nc6 9. Bb2 Qc7 10. Nbd2 Be7
World Blitz 2017 – Round 2.37 – Kasimdzhanov, Rustam – 1-0 – Ganguly, Surya Shekhar – G91 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. Bd3 Nc6 6. a3 Nf6 7. O-O d6 8. Re1 Be7 9. Bf1 O-O 10. d3 Nd7
World Blitz 2017 – Round 4.31 – Onischuk, Vasilisa – 0-1 – Svidler, Peter – G197 1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 Nc6 5. c4 Nf6 6. e5 Ng4 7. h3 Nh6 8. g4 d6 9. Bg2 dxe5 10. Nxe5 Nxe5
World Blitz 2017 – Round 6.16 – Ivanchuk, Vasyl – 1-0 – Bocharov, Dmitry – G292 1. e4 c5 2. Nf3 e6 3. b3 b6 4. d4 cxd4 5. Nxd4 Bb7 6. Nb5 d5 7. exd5 a6 8. N5c3 exd5 9. Bd3 Nf6 10. O-O Be7
World Blitz 2022 – Round 21.49 – Hansen, Eric – 1-0 – Isanzhulov, Arystan – G1130 1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 b5 5. a4 Bb7 6. e5 Qb6 7. Qe2 b4 8. d3 Ne7 9. Nbd2 Nd5 10. Nc4 Qd8
World Blitz 2023 – Round 21.4 – Vachier-Lagrave, Maxime – 1/2-1/2 – Aravindh, Chithambaram VR. – G1203 1. e4 c5 2. Nf3 e6 3. b3 a6 4. c4 Nc6 5. Bb2 Qc7 6. g3 Nf6 7. e5 Ng4 8. Qe2 d6 9. exd6 Bxd6 10. Bxg7 Rg8
World Cup 1989 – Round ? – Short, Nigel D – 1-0 – Illescas Cordoba, Miguel – G109 1. e4 c5 2. Nf3 e6 3. b3 b6 4. c4 Bb7 5. Nc3 Nc6 6. Bb2 Nf6 7. Bd3 d6 8. O-O Be7 9. Rc1 O-O 10. Bb1 Nd4
World Rapid 2016 – Round 9.15 – Onyshchuk, Volodymyr – 1-0 – Vitiugov, Nikita – G335 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. Nc3 Nc6 6. g3 Nd4 7. Bg2 Nxf3+ 8. Qxf3 Ne7 9. O-O-O Nc6 10. Ne2 e5
World Rapid 2019 – Round 2.35 – Antipov Olano, Maxim – 1-0 – Nihal Sarin – G105 1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. Qe2 Nc6 6. Nc3 Nge7 7. O-O-O Ng6 8. h4 h5 9. g3 f6 10. d4 cxd4

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