A22r — English: Bremen, Smyslov, 4.Bg2 O-O 5.e4

1.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Bg2 O-O 5.e4 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e4, case forte b5, case forte d5, paire de fous.
Faiblesses adverses : Bc8 enfermé.
Problèmes : roi au centre, Bc1 enfermé, arriérés d2, f2, 4 pièces non développées (G1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● d3 — Libérer Bc1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : Bb4 actif, paire de fous.
Faiblesses adverses : arriérés d2, f2, Bc1 enfermé, roi blanc au centre.
Problèmes : Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...c5 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● d2, ● f2	—
Chaînes	● f2→g3, h2→g3	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● b5 (2v0), ● d5 (3v1)	—
Cases faibles	—	—
Centre	● d5 (3v1), ● e4 (2v1)	● d4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Ok (mob. 3)
Bb4		● Bb4 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (g1, c1, a1, h1)	3 (b8, c8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● d2-d3, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5

Partie
1971 Hoogovens – Round 1 – Hartoch, Robert G – 1/2-1/2 – Hecht, Hans-Joachim – G5 1. c4 e5 2. g3 Nf6 3. Nc3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. bxc3 c6 7. Ne2 d5 8. cxd5 cxd5 9. exd5 Nxd5 10. O-O Nc6
1971 Hoogovens – Round 4 – Ivkov, Borislav – 1/2-1/2 – Olafsson, Fridrik – G10 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. bxc3 c6 7. Ne2 d5 8. cxd5 cxd5 9. exd5 Nxd5 10. O-O Nc6
1971 Hoogovens – Round 9 – Hort, Vlastimil – 1-0 – Van den Berg, Cees – G11 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. e4 Nc6 6. Nge2 Bc5 7. O-O Nd4 8. Nxd4 Bxd4 9. Ne2 Bb6 10. b3 Re8
1972 San Antonio – Round 3 – Byrne, David – 1/2-1/2 – Portisch, Lajos – G124 1. g3 e5 2. c4 Nf6 3. Nc3 Bb4 4. Bg2 O-O 5. e4 Nc6 6. Nge2 Bc5 7. O-O d6 8. d3 a6 9. h3 Rb8 10. a3 b5
1973 Leningrad Interzonal – Round 3 – Korchnoi, Viktor – 1-0 – Taimanov, Mark – G13 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. e4 c6 6. Nge2 d5 7. cxd5 cxd5 8. exd5 Bf5 9. d4 e4 10. Bg5 Nbd7
1973 Leningrad Interzonal – Round 3 – Korchnoi, Viktor – 1-0 – Taimanov, Mark – G14 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. e4 c6 6. Nge2 d5 7. cxd5 cxd5 8. exd5 Bf5 9. d4 e4 10. Bg5 Nbd7
30. ECC Open 2014 – Round 5.3 – Mamedov, Rauf – 0-1 – Harikrishna, Pentala – G103 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. dxc3 d6 7. Ne2 a6 8. a4 Be6 9. b3 Nbd7 10. O-O Nc5
36. Olympiad 2004 – Round 2 – De Moura, Iridio Johansen – 0-1 – Avrukh, Boris – G32 1. c4 e5 2. Nc3 Bb4 3. g3 Nf6 4. Bg2 O-O 5. e4 Bxc3 6. dxc3 Na6 7. Ne2 Nc5 8. Qc2 d6 9. O-O a5 10. h3 Be6
41. Olympiad Open 2014 – Round 3.22 – Granda Zuniga, Julio E – 0-1 – Bologan, Victor – G210 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. dxc3 d6 7. Qe2 Nbd7 8. Nf3 Nc5 9. Nh4 a6 10. f3 Be6
7. London Classic 2015 – Round 4.2 – Giri, Anish – 1/2-1/2 – Aronian, Levon – G17 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. bxc3 Re8 7. d3 c6 8. Nf3 d5 9. cxd5 cxd5 10. exd5 Nxd5
Alekhine Memorial 1971 – Round 1 – Stein, Leonid – 1/2-1/2 – Smyslov, Vassily – G3 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. e4 Nc6 6. Nge2 Bc5 7. O-O d6 8. d3 h6 9. a3 a5 10. Rb1 Bd7
FIDE Candidates 2016 – Round 4.1 – Svidler, Peter – 1/2-1/2 – Aronian, Levon – G13 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. bxc3 c6 7. Nf3 Nxe4 8. O-O d6 9. Nxe5 Nc5 10. Ng4 f5
FIDE World Cup 2025 – Round R3 Classical 2 – Gabriel Sargissian – 1-0 – Ghosh Diptayan – G480 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. e4 d6 6. Nge2 Bg4 7. d3 Bxe2 8. Qxe2 Nc6 9. O-O Nd4 10. Qd1 c6
Interpolis 1979 – Round 1 – Kavalek, Lubomir – 1/2-1/2 – Timman, Jan H – G3 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. dxc3 b6 7. Nh3 Bb7 8. Qc2 d6 9. O-O Nbd7 10. f3 Nc5
Manila Interzonal 1976 – Round 17 – Polugaevsky, Lev – 1-0 – Harandi, Khosro – G72 1. c4 Nf6 2. g3 e5 3. Nc3 Bb4 4. Bg2 O-O 5. e4 c6 6. Nge2 Re8 7. O-O Na6 8. a3 Bf8 9. d4 exd4 10. Nxd4 Nc5
Moskou ch-URS 1973 – Round 1 – Korchnoi, Viktor – 1/2-1/2 – Kuzmin, Gennadi – G4 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. dxc3 d6 7. Qe2 a6 8. Nf3 b5 9. c5 Bb7 10. cxd6 cxd6
Petropolis Interzonal 1973 – Round 5 – Portisch, Lajos – 1/2-1/2 – Mecking, Henrique – G19 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. bxc3 c6 7. Ba3 Re8 8. Qb3 b6 9. Rd1 Bb7 10. d3 d5
Saint Louis Rapid 2022 – Round 2.4 – Xiong, Jeffery – 1-0 – Caruana, Fabiano – G9 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. bxc3 c6 7. Nf3 d5 8. cxd5 cxd5 9. exd5 Nxd5 10. O-O Nc6
Saint Louis Rapid 2023 – Round 1.3 – Sevian, Samuel – 1-0 – Nepomniachtchi, Ian – G3 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. bxc3 c6 7. Nf3 d5 8. cxd5 cxd5 9. exd5 Nxd5 10. O-O Nc6
Superbet Rapid 2019 – Round 7.1 – Artemiev, Vladislav – 0-1 – Karjakin, Sergey – G31 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. bxc3 c6 7. Nf3 Nxe4 8. O-O d5 9. cxd5 cxd5 10. Nxe5 Re8
World Blitz 2016 – Round 10.11 – Matlakov, Maxim – 1/2-1/2 – Aronian, Levon – G384 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. e4 d6 6. Nge2 Bc5 7. O-O Bg4 8. h3 Bxe2 9. Qxe2 Nc6 10. d3 Nd4
World Rapid 2016 – Round 7.15 – Matlakov, Maxim – 0-1 – Wojtaszek, Radoslaw – G254 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. e4 Nc6 6. Nge2 d6 7. O-O Bc5 8. d3 a6 9. h3 h6 10. Kh2 b5
World Rapid 2021 – Round 4.69 – Klekowski, Maciej – 0-1 – Sargsyan, Shant – G252 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. dxc3 d6 7. h3 a6 8. a4 Be6 9. b3 Nbd7 10. Be3 b5

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