B92 — Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O   ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bBFou enfermé — mobilité 5
bQ
bR
bK
bPPion arriéré — cible
bBFou enfermé — mobilité 0
bP
bP
bP
bP
bPPion arriéré — cible
bN
Avant-poste C (accessible)
bP
wPPion central
wN
wN
wP
wP
wP
wBFou actif — mobilité 7
wP
wP
wP
wR
wBFou actif — mobilité 5
wQ
wR
wK
abcdefgh
Avantages : majorité aile_dame (3v2), case forte d5, avant-poste d5(C), Be2 actif, paire de fous, colonne d.
Faiblesses adverses : arriérés d6, b7, Be7 enfermé, Bc8 enfermé.
Problèmes : Bc1 enfermé.
Plans :
● Be3 — Fou actif (mobilité 9), Développer c1, [Masters 38%]
● Kh1 — Masters 25%
● Qd3 — Centraliser la dame, [Masters 11%]
● Re1 — Masters 10%
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wBFou enfermé — mobilité 5
wR
wP
wP
wP
wB
wP
wP
wP
wN
wN
Case forte (2v1)
wP
bP
bN
bP
bP
bP
bP
bP
bB
bP
bK
bR
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Avantages : majorité centre (2v1), case forte g4, paire de fous, colonne c.
Faiblesses adverses : Bc1 enfermé.
Problèmes : Be7 enfermé, Bc8 enfermé, arriérés d6, b7, 3 pièces non développées (B8, C8, A8).
Plans :
● ...Nbd7 — Développer Nb8
● ...Bf5 — Développer Bc8
● ...d5 — Rupture
● ...Rc — Tour sur colonne c
Avantages
Faiblesses adverses
Diagonale active
Plans

Base Masters : Blancs 24.6%, Nulles 53.0%, Noirs 22.4%.
Coups candidats
8…Be3  (38.4% — Blancs: 20.6% | Nulles: 60.6% | Noirs: 18.8%)
8…Kh1  (25.3% — Blancs: 28.5% | Nulles: 47.5% | Noirs: 24.0%)
8…Qd3  (10.8% — Blancs: 23.8% | Nulles: 59.2% | Noirs: 17.0%)
8…Re1  (10.4% — Blancs: 30.4% | Nulles: 47.3% | Noirs: 22.3%)
8…a4  (9.6% — Blancs: 26.0% | Nulles: 43.2% | Noirs: 30.8%)
8…f4  (2.9% — Blancs: 18.5% | Nulles: 30.1% | Noirs: 51.4%)
auto
Analyse coup par coup — 14 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…d6 Avancée centrale — contrôle c5, e5. Prépare e5, Nd7.
3.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
3…cxd4 Capture en d4 — résout la tension centrale.
4.Nxd4 Capture pion en d4.
4…Nf6 Contrôle e4, c5, d5, e5.
5.Nc3 Contrôle c4, f4, d5, f5.
5…a6 Coup prophylactique — empêche Nb5, Bb5. Prépare b5.
6.Be2 Contrôle c4, f4, d5, f5.
6…e5 Avancée centrale — contrôle d4, f4. Prépare d5, f5, Bc5.
7.Nb3 Contrôle c4, f4, c5, d5.
7…Be7 Contrôle d4, e4, f4, c5.
Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés ● d6, ● b7
Chaînes ● d6→e5, b7→a6
Passés
Majorité ● aile_dame 3v2 ● centre 2v1
Cases
♔ Blancs ♚ Noirs
Cases fortes ● d5 (3v1) ● g4 (2v1)
Cases faibles
Centre ● d4 (2v1), ● d5 (3v1) ● e5 (1v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Semi-ouvertes ● d ● c
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Be2 ● Be2 Actif (mob. 7)
Be7 ● Be7 Enfermé (mob. 0)
Bc8 ● Bc8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 2 (c1, a1) 3 (b8, c8, a8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Roqué ● Roqué
Droits de roque
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre fermé
Ruptures ● f2-f3 ● …d6-d5
Partie
2024 SuperUnited Rapid & Blitz Croatia 1972 – Round 14 – Vachier-Lagrave Maxime – 1-0 – Giri Anish – G69
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Be3 Nc6
2024 SuperUnited Rapid & Blitz Croatia 1972 – Round 19 – Vachier-Lagrave Maxime – 1-0 – Saric Ivan – G94
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 Be6 10. Re1 Nbd7
2024 SuperUnited Rapid & Blitz Croatia 1972 – Round 5 – Aronian Levon – 1/2-1/2 – Firouzja Alireza – G25
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Nc6 10. f3 b5
22. ECU Club Cup 2006 – Round 3 – Efimenko, Zahar – 1/2-1/2 – Gelfand, Boris – G61
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Bf3 b6 10. a4 Bb7
36. Olympiad 2004 – Round 5 – Fressinet, Laurent – 1/2-1/2 – Alonso Dominguez, Laura – G161
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Be6 10. f4 b5
4. Norway Blitz 2016 – Round 4.4 – Li, Chao – 0-1 – Aadvika Giri – G19
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Be6 10. Bd2 Nbd7
41. Olympiad Open 2014 – Round 2.14 – Ferreira, Jorge Viterbo – 0-1 – Bruzon Batista, Lazaro – G102
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 Nbd7
41. Olympiad Open 2014 – Round 3.11 – Almasi, Zoltan – 0-1 – Yu, Yangyi – G179
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 a5
42. Olympiad 2016 – Round 5.26 – Djukic, Nikola – 1/2-1/2 – Saric, Ivan – G352
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 b5
6. World Blitz 2010 – Round 29 – Svidler, Peter – 0-1 – Karjakin, Sergey – G208
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Nc6 10. Re1 Nb4
6. World Blitz 2010 – Round 34 – Svidler, Peter – 1-0 – Grischuk, Alexander – G244
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 a5
6. World Blitz 2010 – Round 5.4 – Svidler, Peter – 1-0 – Nepomniachtchi, Ian – G29
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Be6 10. Bf3 Nbd7
6. Zurich Opening Blitz 2017 – Round 6.4 – Oparin, Grigoriy – 0-1 – Nepomniachtchi, Ian – G24
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Nc6 10. Bf3 Be6
Amber Blindfold 2006 – Round 2 – Grischuk, Alexander – 1/2-1/2 – Vallejo Pons, Francisco – G7
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Be6 10. f4 exf4
Amber Blindfold 2008 – Round 9 – Leko, Peter – 1/2-1/2 – Karjakin, Sergey – G34
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 Qc7
Biel Interzonal 1985 – Round 7 – Jansa, Vlastimil – 1/2-1/2 – Ljubojevic, Ljubomir – G19
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf1 Nbd7
Buenos Aires Sicilian 1994 – Round 5 – Karpov, Anatoly – 1/2-1/2 – Anand, Viswanathan – G2
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Bg5 Be6 10. f4 exf4
Bugojno 1978 – Round 14 – Karpov, Aleksandr – 1-0 – Bukic, Enver – G78
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Nc6 10. Kh1 Be6
Erevan ch-URS 1975 – Round 1 – Beliavsky, Alexander G – 0-1 – Tal, Mikhail – G22
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Be6 10. f4 exf4
FIDE Grand Swiss 2025 1974 – Round 1 – Abdusattorov Nodirbek – 1-0 – Ivic Velimir – G6
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Be6 10. Bd2 Nbd7
FIDE Grand Swiss 2025 1974 – Round 3 – Sadhwani Raunak – 0-1 – Woodward Andy – G149
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 b5
GCT Blitz Croatia 2021 – Round 4.5 – Vachier-Lagrave, Maxime – 1-0 – Nepomniachtchi, Ian – G20
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Be6 10. Bd2 Nc6
GCT Blitz Paris 2019 – Round 12.2 – Caruana, Fabiano – 1-0 – Vachier-Lagrave, Maxime – G57
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Bf3 Be6 10. a4 Nbd7
Interpolis 1980 – Round 1 – Tal, Mikhail – 1/2-1/2 – Huebner, Robert – G24
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Bg5 Be6 10. Bxf6 Bxf6
Interpolis 1981 – Round 1 – Larsen, Benjamin Holsko – 0-1 – Portisch, Lajos – G28
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Bg5 Be6 10. Qd3 Nbd7
Malta ol (Men) 1980 – Round 1 – Pritchett, Craig W – 0-1 – Portisch, Lajos – G16
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Bg5 Be6 10. f4 exf4
Moskou ch-URS 1976 – Round 1 – Geller, Efim P – 1/2-1/2 – Rashkovsky, Nukhim N – G18
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Nc6 10. Bf3 Nb4
Riga Interzonal 1979 – Round 12 – Larsen, Benjamin Holsko – 0-1 – Romanishin, Oleg M – G30
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. f4 b5 10. a4 b4
Rio de Janeiro Interzonal 1979 – Round 5 – Balashov, Yuri S – 0-1 – Sunye Neto, Jaime – G17
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Nc6 10. Kh1 b6
Saint Louis Rapid 2017 – Round 8.3 – Nepomniachtchi, Ian – 1/2-1/2 – Karjakin, Sergey – G38
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Be6 10. Bd2 Nbd7
Sinquefield Cup 2025 1975 – Round 6 – Gukesh D – 1/2-1/2 – Firouzja Alireza – G27
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Nc6 10. Bf1 a5
SportAccord Blitz 2014 – Round 17.3 – Wang, Hao(ZJWZ) – 0-1 – Vachier-Lagrave, Maxime – G130
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. Be2 e5 9. Nb3 Be7 10. O-O O-O
Tal Memorial Blitz 2008 – Round 14 – Alekseev, Evgeny – 0-1 – Gelfand, Boris – G111
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Bf3 b6 10. Re1 Bb7
Tal Memorial Blitz 2008 – Round 8 – Alekseev, Evgeny – 1-0 – Karjakin, Sergey – G67
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Bf3 Be6 10. Re1 Nbd7
TCh-RUS 2008 – Round 2 – Areshchenko, Alexander – 1-0 – Nepomniachtchi, Ian – G53
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Bf3 Be6 10. Re1 Nbd7
TCh-RUS 2008 – Round 3 – Efimenko, Zahar – 1/2-1/2 – Alekseev, Evgeny – G78
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 a5
TCh-RUS 2008 – Round 3 – Galkin, Aleksander – 1/2-1/2 – Kokarev, Dmitry – G79
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 Nbd7
TCh-RUS 2008 – Round 5 – Efimenko, Zahar – 0-1 – Gashimov, Vugar – G134
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 a5
TCh-RUS 2008 – Round 9 – Efimenko, Zahar – 1/2-1/2 – Svidler, Peter – G245
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Be6 10. Bf3 a5
Tilburg Fontys 1997 – Round 7 – Polgar, Judit – 1/2-1/2 – Van Wely, Loek – G24
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 9. ... Be6 10. f4 Qc7
World Blitz 2009 – Round 25 – Svidler, Peter – 1-0 – Karjakin, Sergey – G257
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 a5
World Blitz 2009 – Round 3 – Svidler, Peter – 1-0 – Dominguez Perez, Leinier – G27
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf1 Nbd7
World Blitz 2015 – Round 17.43 – Lagno, Kateryna – 1/2-1/2 – Salem, A.R. Saleh – G1068
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 Nbd7
World Blitz 2022 – Round 6.6 – Durarbayli, Vasif – 1-0 – Vachier-Lagrave, Maxime – G331
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 Nbd7
World Blitz 2023 – Round 1.9 – Yu, Yangyi – 1/2-1/2 – Zeng, Chongsheng – G73
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 Nbd7
World Blitz 2023 – Round 1.9 – Yu, Yangyi – 1/2-1/2 – Zeng, Chongsheng – G73
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Be6 10. Bf3 Nbd7
World Cup 1988 – Round 1 – Huebner, Robert – 0-1 – Ljubojevic, Ljubomir – G38
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Re8 10. Bg5 Be6
World Cup 1989 – Round 1 – Huebner, Robert – 1/2-1/2 – Ljubojevic, Ljubomir – G46
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Be6 10. Nd5 Bxd5
World Rapid 2019 – Round 6.68 – Hansen, Eric – 0-1 – Tran, Tuan Minh – G419
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Be6 10. Bf3 Nbd7
XIX Ciudad 2006 – Round 1.1 – Bruzon Batista, Lazaro – 1/2-1/2 – Anand, Viswanathan – G1
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Be6 10. Bf3 Nbd7
Zuerich Champions rap 2009 – Round 3 – Khalifman, Alexander – 1/2-1/2 – Ponomariov, Ruslan – G6
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Be6 10. a5 Nbd7
Zurich Korchnoi CC 2017 – Round 4.4 – Nepomniachtchi, Ian – 1-0 – Gelfand, Boris – G16
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Be6 10. Bd2 Nbd7

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