A30f — English: Symmetrical, Double Fianchetto

1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6 6.Nc3 Bg7 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte b5, paire de fous.
Faiblesses adverses : Bg7 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé, Bg2 enfermé.
Plans :
● 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, Bg7 enfermé, 3 pièces non développées (B8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...d6 — Rupture
● ...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	● b5 (2v0)	● e4 (2v1)
Cases faibles	—	● d5
Centre	● e5 (1v0)	● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Enfermé (mob. 2)
Bb7		● Bb7 Actif (mob. 6)
Bg7		● Bg7 Enfermé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	3 (b8, 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
? 1979 – Round ? – Huebner, Robert – 1/2-1/2 – Timman, Jan H – G5 1. Nf3 g6 2. c4 Bg7 3. g3 c5 4. Nc3 b6 5. Bg2 Bb7 6. O-O Nf6 7. d3 O-O 8. e4 Nc6 9. Re1 e6 10. h3 d5
? 1986 – Round ? – Larsen, Bent – 1/2-1/2 – Vaganian, Rafael A – G2 1. c4 Nf6 2. Nc3 c5 3. g3 b6 4. Bg2 Bb7 5. Nf3 g6 6. O-O Bg7 7. d4 cxd4 8. Qxd4 O-O 9. Qh4 d6 10. Rd1 Nbd7
19. European Teams 2013 – Round 1.7 – Glud, Jakob Vang – 0-1 – Almasi, Zoltan – G42 1. c4 Nf6 2. Nf3 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. b3 Nbd7 10. Bb2 O-O
19. European Teams 2013 – Round 6.4 – Banusz, Tamas – 1/2-1/2 – Sargissian, Gabriel – G218 1. c4 Nf6 2. Nf3 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Be3 Nbd7 10. Rac1 Rc8
1972 Skopje ol (Men) fin-A – Round 12 – Ribli, Zoltan – 1-0 – Debarnot, Roberto – G429 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O c5 5. c4 g6 6. Nc3 Bg7 7. d3 O-O 8. e4 Nc6 9. Nh4 Ne8 10. f4 Nd4
1974 Manila – Round 12 – Pfleger, Helmut, Dr. – 1/2-1/2 – Gheorghiu, Florin – G136 1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. Nc3 g6 6. O-O Bg7 7. d4 Ne4 8. Qd3 Nxc3 9. bxc3 O-O 10. e4 d6
1975 URS Team Ch – Round 3 – Loginov, Valery A – 1/2-1/2 – Korsunsky, Rostislav R – G553 1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. g3 c5 5. Bg2 g6 6. O-O Bg7 7. d4 cxd4 8. Nxd4 Bxg2 9. Kxg2 Qc8 10. b3 Nc6
2024 Superbet Chess Blitz – Round 2 – Shevchenko Kirill – 1-0 – Giri Anish – G7 1. Nf3 Nf6 2. g3 g6 3. c4 c5 4. Nc3 b6 5. Bg2 Bb7 6. O-O Bg7 7. d4 cxd4 8. Qxd4 O-O 9. Qh4 Na6 10. Bh6 Nc5
4. World Blitz 2008 – Round 12 – Ivanchuk, Vasyl – 1-0 – Sasikiran, Krishnan – G79 1. c4 b6 2. Nf3 Bb7 3. g3 c5 4. Bg2 g6 5. O-O Bg7 6. Nc3 Nf6 7. d3 O-O 8. e4 d6 9. Rb1 Nc6 10. a3 Nd7
40. Olympiad Open 2012 – Round 6.7 – Bartel, Mateusz – 0-1 – Almasi, Zoltan – G388 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Be3 Nbd7 10. Rac1 Rc8
41. Olympiad Open 2014 – Round 3.21 – Predojevic, Borki – 1/2-1/2 – Urkedal, Frode Olav Olsen – G209 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. Be3 Rc8
41. Olympiad Open 2014 – Round 3.3 – Drasko, Milan – 1/2-1/2 – Agdestein, Simen – G219 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 c5 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. Be3 a6
42. Olympiad 2016 – Round 2.18 – Matamoros Franco, Carlos S. – 0-1 – Cordova, Emilio – G94 1. Nf3 c5 2. c4 b6 3. g3 Bb7 4. Bg2 Nf6 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. Be3 Rc8
42. Olympiad 2016 – Round 9.29 – Iturrizaga Bonelli, Eduardo – 1/2-1/2 – Solomon, Kenneth Terence – G645 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Be3 Nbd7 10. Rac1 Rc8
57. ch-RUS 2004 – Round 7 – Morozevich, Alexander – 1/2-1/2 – Grischuk, Alexander – G24 1. c4 Nf6 2. Nf3 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. Re1 Ne4 8. Qc2 Nxc3 9. dxc3 d6 10. Bf4 Nd7
Amber Blindfold 1999 – Round 9 – Kramnik, Vladimir – 1/2-1/2 – Nikolic, Predrag – G45 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. Qh4 h6
Amber Blindfold 2005 – Round 3 – Gelfand, Boris – 1-0 – Van Wely, Loek – G15 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. b3 Nbd7 10. Bb2 O-O
Amber Rapidplay 2000 – Round 5 – Ljubojevic, Ljubomir – 0-1 – Karpov, Anatoly – G23 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. Re1 Nc6 8. e4 O-O 9. d3 d6 10. h3 Nd7
Amber-blindfold 12th 2003 – Round 9 – Gelfand, Boris – 0-1 – Kramnik, Vladimir – G28 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. b3 Rc8
BGN World Championship 2000 – Round 14 – Kramnik, Vladimir – 1/2-1/2 – Kasparov, Garry – G5 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. Be3 Rc8
Biel Interzonal 1993 – Round 8 – Kramnik, Vladimir – 0-1 – Adams, Michael – G5 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 O-O 9. Qh4 d6 10. Bh6 Nbd7
Bugojno 1978 – Round 13 – Portisch, Lajos – 0-1 – Larsen, Bent – G76 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. Nc3 Bg7 7. d4 Ne4 8. Nd5 Nc6 9. dxc5 bxc5 10. Ne1 f5
Candidats Tournament 1985 – Round 4 – Ribli, Zoltan – 1/2-1/2 – Spassky, Boris V. – G25 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. Nc3 g6 6. O-O Bg7 7. d4 cxd4 8. Qxd4 Nc6 9. Qf4 Rc8 10. Rd1 d6
Credit Suisse 1997 – Round 7 – Anand, Viswanathan – 0-1 – Milov, Vadim – G12 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. b3 Rc8
Dos Hermanas 1999 – Round ? – Kramnik, Vladimir – 1/2-1/2 – Karpov, Anatoly – G2 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. Be3 O-O
Dos Hermanas 1999 – Round 1 – Kramnik, Vladimir – 1/2-1/2 – Karpov, Anatoly – G4 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. Be3 O-O
FIDE World Cup 2015 – Round 1.1 – Illingworth, Max – 0-1 – Harikrishna, Pentala – G61 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. Be3 Rc8
FIDE World Cup 2025 – Round R1 Classical 1 – Siddharth Jagadeesh – 1/2-1/2 – Cheng Bobby – G44 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. Nc3 g6 6. O-O Bg7 7. d4 cxd4 8. Nxd4 Bxg2 9. Kxg2 Qc8 10. b3 Qb7+
FIDE World Rapid Championship 2014 – Round 15.14 – Eduardo Patricio Iturrizaga B – 1-0 – Vachier-Lagrave, Maxime – G89 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 Nc6 9. Qf4 Qb8 10. Rd1 Qxf4
GCT Blitz Croatia 2021 – Round 17.3 – Kasparov, Garry – 0-1 – Vachier-Lagrave, Maxime – G83 1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. Nc3 g6 6. O-O Bg7 7. d4 cxd4 8. Nxd4 Bxg2 9. Kxg2 Qc8 10. b3 Qb7+
Lone Pine Open 1978 – Round 3 – Seirawan, Yasser – 1/2-1/2 – Miles, Anthony J – G9 1. c4 b6 2. Nf3 Bb7 3. g3 c5 4. Bg2 g6 5. O-O Bg7 6. Nc3 Nf6 7. d4 Ne4 8. Nxe4 Bxe4 9. d5 O-O 10. Bh3 Bxf3
Manila Interzonal 1976 – Round 13 – Polugaevsky, Lev – 1/2-1/2 – Spassky, Boris V. – G58 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Nxd4 Bxg2 9. Kxg2 Qc8 10. b3 Qb7+
Manila Interzonal 1990 – Round 6 – Salov, Valery – 1-0 – Mascarinas, Rico – G110 1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 O-O 9. Qh4 d6 10. Bh6 Nbd7
Manila Interzonal 1990 – Round 8 – Ljubojevic, Ljubomir – 1-0 – Rechlis, Gad – G143 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 O-O 9. Qh4 d6 10. Bh6 Nbd7
Montreal 1979 – Round 1 – Huebner, Robert – 1/2-1/2 – Timman, Jan H – G8 1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. g3 b6 5. Bg2 Bb7 6. O-O Nf6 7. d3 O-O 8. e4 Nc6 9. Rb1 e6 10. h3 d5
Moskou ch-URS 1976 – Round 10 – Polugaevsky, Lev – 1-0 – Smyslov, Vassily – G51 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Nxd4 Bxg2 9. Kxg2 Qc8 10. b3 Qb7+
Olympiad 2002 – Round 10 – Ftacnik, Lubomir – 1/2-1/2 – Cvitan, Ognjen – G352 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. Nc3 g6 6. O-O Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. Be3 Rc8
PCA/Intel-GP 1994 – Round 1 – Kramnik, Vladimir – 1-0 – Benjamin, Joel – G16 1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. g3 Bb7 5. Bg2 g6 6. O-O Bg7 7. d4 cxd4 8. Qxd4 Nc6 9. Qf4 Rc8 10. Rd1 O-O
Saint Louis Rapid and Blitz 2025 – Round 23 – Caruana Fabiano – 0-1 – Aronian Levon – G111 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. Be3 a6
SportAccord Blitz Men 2013 – Round 28.4 – Kamsky, Gata – 1/2-1/2 – Ivanchuk, Vasyl – G217 1. Nf3 b6 2. g3 Bb7 3. Bg2 g6 4. O-O Bg7 5. c4 c5 6. Nc3 Nf6 7. b3 Ne4 8. Bb2 Nxc3 9. Bxc3 Bxc3 10. dxc3 d6
Tal Memorial Tournament 1995 – Round 5 – Vaganian, Rafael A – 1/2-1/2 – Kengis, Edvins – G6 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 O-O 9. Qh4 d6 10. Rd1 Nbd7
TCh-RUS 2005 – Round 6 – Malakhov, Valentyn – 1/2-1/2 – Grischuk, Alexander – G102 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. Re1 Ne4 8. Nxe4 Bxe4 9. a3 O-O 10. d3 Bb7
Turin ol (Men) 37th 2006 – Round 6 – Rahman, Ziaur – 0-1 – Nyback, Tomi – G84 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. b3 Rc8
Varese playoff 1976 – Round 1 – Portisch, Lajos – 1/2-1/2 – Tal, Mikhail – G3 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Nxd4 Bxg2 9. Kxg2 Qc8 10. b3 Qb7+
Vugar Gashimov Mem 2014 – Round 5.1 – Nakamura, Hikaru – 1/2-1/2 – Karjakin, Sergey – G13 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. Be3 Rc8
World Blitz 2015 – Round 1.7 – Grigoriants, Sergey – 0-1 – Navara, David – G59 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Be3 Nc6 10. Qd2 Ng4
World Blitz 2015 – Round 11.84 – Vogel, Roven – 0-1 – Fedorchuk, Sergey A. – G715 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. Re1 Ne4 8. Nxe4 Bxe4 9. d3 Bb7 10. d4 cxd4
World Blitz 2015 – Round 9.87 – Wendt, Jan-Dietrich – 0-1 – Fedorchuk, Sergey A. – G592 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. Nc3 g6 6. O-O Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. b3 a6
World Blitz 2016 – Round 14.27 – Lalit Babu M R – 0-1 – Tomashevsky, Evgeny – G564 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. Be3 Rc8
World Championship 31th-KK1 1984 – Round 13 – Karpov, Anatoly – 1/2-1/2 – Kasparov, Garry – G7 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Nxd4 Bxg2 9. Kxg2 O-O 10. e4 Qc7
XXIII SuperGM 2006 – Round 2 – Ivanchuk, Vasyl – 1-0 – Aronian, Levon – G8 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Be3 Nbd7 10. Rac1 Rc8
XXIII SuperGM 2006 – Round 4 – Vallejo Pons, Francisco – 1/2-1/2 – Aronian, Levon – G16 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 d6 9. Be3 Nbd7 10. Rac1 Rc8

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