A30f — English: Symmetrical, Double Fianchetto

1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : paire de fous.
Faiblesses adverses : Bf8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé, Bg2 enfermé, 3 pièces non développées (B1, C1, A1).
Plans :
● Nc3 — Développer Nb1
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4, Bb7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Problèmes : roi au centre, Bf8 enfermé, 4 pièces non développées (B8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nc6 — Développer Nb8
● ...Bd6 — Développer Bf8
● ...Bg4 — Clouer Nf3
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b6→c5, a7→b6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● e4 (2v0)
Cases faibles	—	—
Centre	● e5 (1v0)	● d5 (2v1), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Enfermé (mob. 2)
Bb7		● Bb7 Actif (mob. 6)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, c1, a1)	4 (b8, f8, a8, h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d2-d3, ● e2-e3	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
20. European Teams 2015 – Round 3.5 – Markus, Robert – 1-0 – Van Wely, Loek – G137 1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. d3 Bg7 7. e4 O-O 8. Nc3 Nc6 9. h3 d6 10. Be3 a6
3. Sinquefield Cup 2015 – Round 9.5 – Caruana, Fabiano – 1/2-1/2 – So, Wesley – G44 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Be3 Nbd7 10. Rac1 Rc8
30. ECC Open 2014 – Round 7.3 – Caruana, Fabiano – 1/2-1/2 – Karjakin, Sergey – G157 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Rd1 Nbd7 10. Be3 Nc5
Amber Blindfold 2005 – Round 10 – Topalov, Veselin – 1-0 – Van Wely, Loek – G46 1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Rd1 Nbd7 10. Be3 Rc8
Amber Rapid 2004 – Round 5 – Bareev, Evgeny – 1/2-1/2 – Anand V – G15 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. d3 Bg7 7. e4 O-O 8. Nc3 Nc6 9. Bf4 d6 10. Qd2 Ng4
Amber Rapid 2006 – Round 6 – Topalov, Veselin – 1-0 – Grischuk, Alexander – G28 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Rd1 Nbd7 10. Be3 Rc8
Amber Rapidplay 2000 – Round 1 – Van Wely, Loek – 1/2-1/2 – Karpov, Anatoly – G6 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Rd1 Nbd7 10. Nd5 Rc8
Amber Rapidplay 2001 – Round 6 – Topalov, Veselin – 1/2-1/2 – Gelfand, Boris – G9 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Be3 Nbd7 10. Rac1 a6
Dos Hermanas 1999 – Round 7 – Kramnik, Vladimir – 1/2-1/2 – Polgar, Judit – G34 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Rd1 Nbd7 10. b3 O-O
FIDE Candidates 2014 – Round 11.2 – Topalov, Veselin – 1/2-1/2 – Karjakin, Sergey – G42 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Rd1 Nbd7 10. Be3 Rc8
FIDE WCh KO 2001 – Round 1.1 – Korchnoi, Viktor – 1/2-1/2 – Psakhis, Lev – G56 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d3 Bg7 7. e4 O-O 8. Nc3 Nc6 9. Be3 Ng4 10. Bd2 d6
FIDE World Rapid 2014 – Round 7.1 – Caruana, Fabiano – 1/2-1/2 – Karjakin, Sergey – G90 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Rd1 Nbd7 10. Be3 Rc8
FIDE-Wch k.o. 1999 – Round 3.1 – Topalov, Veselin – 1-0 – Psakhis, Lev – G88 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Rd1 Nbd7 10. Be3 Rc8
Hastings8899 1988 – Round 1 – Korchnoi, Viktor – 1/2-1/2 – Gulko, Boris – G31 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Qh4 h6 10. Rd1 Nbd7
Hoogovens Blitz 1999 – Round 1 – Topalov, Veselin – 1/2-1/2 – Kramnik, Vladimir – G1 1. c4 c5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Rd1 Nbd7 10. Be3 O-O
Hoogovens Blitz 1999 – Round 5 – Topalov, Veselin – 0-1 – Kasparov, Garry – G19 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Rd1 Nbd7 10. Be3 O-O
Interpolis 1985 – Round 1 – Korchnoi, Viktor – 0-1 – Miles, Anthony J – G31 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. e3 Bg7 7. d4 cxd4 8. exd4 Qc8 9. Na3 d5 10. Re1 dxc4
Moskou ch-URS 1973 – Round 1 – Karpov, Aleksandr – 1-0 – Savon, Vladimir – G66 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. d3 Bg7 7. e4 O-O 8. Nc3 Nc6 9. Rb1 Ne8 10. Be3 Nd4
Moskou ch-URS 1976 – Round 1 – Tal, Mikhail – 1/2-1/2 – Polugaevsky, Lev – G42 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. d4 cxd4 7. Nxd4 Bxg2 8. Kxg2 Bg7 9. Nc3 Qc8 10. b3 Qb7+
SportAccord Rapid Men 2013 – Round 3.2 – Wang, Yue(SH) – 0-1 – Karjakin, Sergey – G18 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Qh4 h6 9. Nc3 d6 10. Rd1 Nbd7
SWIFT 1986 – Round 1 – Karpov, Aleksandr – 1-0 – Timman, Jan H – G37 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 Bg7 7. Nc3 Ne4 8. Nxe4 Bxe4 9. d5 e5 10. Qb3 O-O
SWIFT 1986 – Round 2 – Karpov, Anatoly – 1-0 – Timman, Jan H – G38 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 Bg7 7. Nc3 Ne4 8. Nxe4 Bxe4 9. d5 e5 10. Qb3 O-O
Thessaloniki olm 1988 – Round 12 – Korchnoi, Viktor – 1/2-1/2 – Nogueiras Santiago, Jesus – G109 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. e3 Bg7 7. d4 O-O 8. Re1 e6 9. b3 d5 10. cxd5 exd5
Vugar Gashimov Mem 2014 – Round 10.3 – Mamedyarov, Shakhriyar – 1/2-1/2 – Karjakin, Sergey – G30 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Rd1 Nbd7 10. Be3 Rc8
World Blitz 2015 – Round 7.43 – Lagno, Kateryna – 0-1 – Navara, David – G437 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Bg5 Nbd7 10. Rac1 h6
World Blitz 2021 – Round 2.19 – Svane, Rasmus – 1-0 – Carlsson, Pontus – G78 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O c5 5. c4 g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Rd1 Nbd7 10. Be3 h6
World Rapid Final 2012 – Round 5 – Topalov, Veselin – 1/2-1/2 – Karjakin, Sergey – G40 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Rd1 Nbd7 10. Be3 Rc8

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