A30o — English: Symmetrical, Hedgehog, 7.Re1 d5

1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.Re1 d5 * ○ 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 : Be7 enfermé, roi noir au centre.
Problèmes : Bc1 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, case forte c5, paire de fous.
Faiblesses adverses : Bc1 enfermé, pawn c4 en prise.
Problèmes : roi au centre, Be7 enfermé, 3 pièces non développées (B8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...d4 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b6→c5, e6→d5, a7→b6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	● e4 (2v1), ● c5 (2v0)
Cases faibles	—	—
Centre	● e5 (1v0)	● d5 (4v2), ● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Ok (mob. 3)
Bb7		● Bb7 Ok (mob. 3)
Be7		● Be7 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	● …d5-d4, ● …e6-e5

Partie
10. Tal Mem 2016 – Round 5.2 – Aronian, Levon – 1/2-1/2 – Kramnik, Vladimir – G19 1. c4 e6 2. Nc3 c5 3. Nf3 Nf6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 Nxd5 9. d4 cxd4 10. Qa4+ Qd7
41. Olympiad Open 2014 – Round 5.14 – Beliavsky, Alexander G – 1-0 – Elsness, Fredrik Valstad – G328 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. Re1 d5 8. cxd5 Nxd5 9. Nxd5 Bxd5 10. e4 Bb7
78. Tata Steel GpA 2016 – Round 12.1 – So, Wesley – 1/2-1/2 – Carlsen, Magnus – G78 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 Nxd5 9. e4 Nb4 10. d4 cxd4
Amber Blindfold, Monte Carlo MON 1998 – Round 9 – Ivanchuk, Vasyl – 1/2-1/2 – Van Wely, Loek – G19 1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Nf3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 exd5 9. d4 O-O 10. Bf4 Nbd7
Amber Rapid 2003 – Round 10 – Ljubojevic, Ljubomir – 0-1 – Leko, Peter – G22 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 exd5 9. d4 O-O 10. Bf4 Nbd7
Amber Rapidplay 1999 – Round 8 – Kramnik, Vladimir – 1-0 – Karpov, Anatoly – G48 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. Re1 d5 8. cxd5 Nxd5 9. e4 Nb4 10. d4 cxd4
Amber-blindfold 15th 2006 – Round 2 – Van Wely, Loek – 1/2-1/2 – Leko, Peter – G3 1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 Nxd5 9. e4 Nb4 10. d4 cxd4
Amber-blindfold 17th 2008 – Round 8 – Van Wely, Loek – 0-1 – Leko, Peter – G15 1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 Nxd5 9. e4 Nb4 10. d4 cxd4
Credit Suisse 1997 – Round 10 – Gelfand, Boris – 1/2-1/2 – Pelletier, Yannick – G22 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 exd5 9. d4 O-O 10. Bf4 Na6
FIDE World Cup 2015 – Round 2.1 – Yu, Yangyi – 1/2-1/2 – Lysyj, Igor – G204 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 Nxd5 9. e4 Nb4 10. d4 cxd4
Hoogovens 1998 – Round ? – Anand, Viswanathan – 1-0 – Van Wely, Loek – G66 1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 exd5 9. d4 O-O 10. Bf4 Nbd7
Hoogovens 1998 – Round 2 – Piket, Jeroen – 1/2-1/2 – Salov, Valery – G11 1. Nf3 Nf6 2. c4 e6 3. Nc3 c5 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 exd5 9. d4 O-O 10. Bf4 Na6
Investbanka 1997 – Round 4 – Kramnik, Vladimir – 1/2-1/2 – Ljubojevic, Ljubomir – G13 1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 exd5 9. d4 O-O 10. dxc5 bxc5
Mar del Plata 1982 – Round ? – Quinteros, Miguel Angel – 1/2-1/2 – Polugaevsky, Lev – G61 1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. O-O Be7 7. Re1 d5 8. cxd5 exd5 9. d4 O-O 10. Bg5 Nbd7
Mar del Plata 1982 – Round 1 – Quinteros, Miguel Angel – 1/2-1/2 – Polugaevsky, Lev – G56 1. Nf3 Nf6 2. c4 e6 3. Nc3 c5 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 exd5 9. d4 O-O 10. Bg5 Nbd7
Olympiad 2002 – Round 4 – Akopian, Vladimir – 1-0 – Ljubojevic, Ljubomir – G132 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. Re1 d5 8. cxd5 exd5 9. d4 O-O 10. Bf4 Na6
PCA Qualifiers 1993 – Round 1 – Kramnik, Vladimir – 1-0 – Ribli, Zoltan – G3 1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 exd5 9. d4 O-O 10. Bf4 Nbd7
Tal Memorial 2008 – Round 2 – Gelfand, Boris – 1/2-1/2 – Ivanchuk, Vasyl – G8 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. Re1 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. d4 cxd4
Tal Memorial Blitz 2008 – Round 21 – Gelfand, Boris – 1/2-1/2 – Ivanchuk, Vasyl – G176 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. Re1 d5 8. cxd5 Nxd5 9. d4 cxd4 10. Nxd5 Qxd5
World Blitz 2017 – Round 4.29 – Aronian, Levon – 1-0 – Georgiev, Krum – G194 1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Nf3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 exd5 9. d4 O-O 10. Bf4 Na6
World Blitz 2019 – Round 16.3 – Giri, Anish – 1/2-1/2 – Yu, Yangyi – G1073 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 Nxd5 9. d4 cxd4 10. Qa4+ Nd7
World Rapid 2016 – Round 5.3 – Aronian, Levon – 1-0 – Ivanchuk, Vasyl – G189 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 Nxd5 9. d4 cxd4 10. Qa4+ Qd7
XXIV SuperGM 2007 – Round 12 – Topalov, Veselin – 1/2-1/2 – Carlsen, Magnus – G42 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. Re1 d5 8. d4 dxc4 9. dxc5 Bxc5 10. Qa4+ Nbd7

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