8.a4 - 8.a4

E05 — E05 - 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O   ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bBFou enfermé — mobilité 1
bQ
bR
bK
bP
bP
bB
bP
bP
bPPion sous pression
bP
bP
bN
Case forte (2v0)
Case forte (2v0)
wP
bPpawn en prise !
wPPion central
Case forte (2v0)
wN
wP
wP
wQ
wP
wP
wB
wP
wR
wN
wBFou actif — mobilité 5
wR
wK
abcdefgh
Avantages : majorité centre (2v1), case forte f4, case forte e5, case forte g5, paire de fous, colonne c.
Faiblesses adverses : Bc8 enfermé, pawn c4 en prise.
Problèmes : Bc1 enfermé, Bg2 enfermé, arriéré b2, 3 pièces non développées (B1, C1, A1).
Plans :
● Nc3 — Développer Nb1
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wBFou enfermé — mobilité 5
wN
wR
wP
wBFou enfermé — mobilité 2
wP
wP
wQ
wPPion arriéré — cible
wP
wN
wP
bPMajorité aile dame
wP
Avant-poste C (accessible)
bN
bP
bPMajorité aile dame
bP
bP
bP
bBFou actif — mobilité 4
bP
bP
bK
bR
bQ
bB
bN
bR
hgfedcba
Avantages : majorité aile_dame (4v2), case forte d5, avant-poste d5(C), Be7 actif, paire de fous, colonne d.
Faiblesses adverses : arriéré b2, Bc1 enfermé, Bg2 enfermé.
Problèmes : Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5) [Masters 87%]
● ...Nbd7 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...e5 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans

-0.38 léger avantage noir. Base Masters : Blancs 26.7%, Nulles 62.9%, Noirs 10.4%.
Coups candidats
6.Bd7  (86.7% — Blancs: 24.7% | Nulles: 65.6% | Noirs: 9.7%)
6.Nc6  (5.5% — Blancs: 39.6% | Nulles: 46.2% | Noirs: 14.2%)
6.c5  (4.0% — Blancs: 36.6% | Nulles: 47.6% | Noirs: 15.7%)
6.Nbd7  (2.2% — Blancs: 50.0% | Nulles: 37.0% | Noirs: 13.0%)
6.b6  (0.6% — Blancs: 31.6% | Nulles: 57.9% | Noirs: 10.5%)
6.h6  (0.5% — Blancs: 9.7% | Nulles: 67.7% | Noirs: 22.6%)
auto
Analyse coup par coup — 9 demi-coups commentés
1.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
1…Nf6 Contrôle e4, d5.
2.Nf3 Contrôle f4, c5, e5.
2…d5 Avancée centrale — contrôle c4, e4. Prépare c5, e5.
3.c4 Avancée centrale — contrôle b5, d5. Prépare d4, Nc3, e4.
3…e6 Avancée centrale — contrôle d5, f5. Prépare d5, Be7, Bd6.
4.g3 Prépare le fianchetto du Fou (Bg2).
4…Be7 Contrôle c4, e4, c5, f5.
5.Bg2 Contrôle f4, c5, d5, e5.
Structure de pions
♔ Blancs ♚ Noirs
Pions doublés — ● c4, ● c7
Pions isolés — —
Arriérés ● b2 —
Chaînes ● f2→g3, h2→g3 ● b7→a6, f7→e6
Passés — —
Majorité ● centre 2v1 ● aile_dame 4v2
Cases
♔ Blancs ♚ Noirs
Cases fortes ● f4 (2v0), ● e5 (2v0), ● g5 (2v0) ● d5 (3v0)
Cases faibles — —
Centre ● e5 (2v0) ● d5 (3v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Semi-ouvertes ● c ● d
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Bg2 ● Bg2 Enfermé (mob. 2)
Be7 ● Be7 Actif (mob. 4)
Bc8 ● Bc8 Non développé (mob. 1)
Paire de fous ● Oui ● Oui
Non développées 3 (b1, c1, a1) 3 (b8, c8, a8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Roqué ● Roqué
Droits de roque — —
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre semi-ouvert
Ruptures ● d4-d5, ● e2-e3 ● …c7-c6, ● …c7-c5, ● …e6-e5
Partie
42. Olympiad 2016 – Round 8.15 – Mareco, Sandro – 1-0 – Zhigalko, Andrey – G552
1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Nc6 9. Qxc4 Qd5 10. Nbd2 Rd8
43. Olympiad 2018 – Round 11.1 – Li, Chao – 1/2-1/2 – Shankland, Sam – G697
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Nbd2 b5
43. Olympiad 2018 – Round 11.1 – Yu, Yangyi – 1/2-1/2 – So, Wesley – G696
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Nbd2 b5
43. Olympiad 2018 – Round 5.4 – Rodshtein, Maxim – 1/2-1/2 – So, Wesley – G339
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Nbd2 b5
5. Zurich CC Blitz 2016 – Round 4.1 – Aadvika Giri – 1/2-1/2 – Kramnik, Vladimir – G10
1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Qxc4 b6
7. Sinquefield Cup 2019 – Round 1.3 – Ding, Liren – 1/2-1/2 – So, Wesley – G3
1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Qxc4 b6
Dortmund 1995 – Round 9 – Kramnik, Vladimir – 1-0 – Piket, Jeroen – G45
1. Nf3 d5 2. d4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 dxc4 7. Qc2 a6 8. a4 Nc6 9. Qxc4 Qd5 10. Nbd2 Rd8
FIDE Grand Swiss 2025 1974 – Round 10 – Murzin Volodar – 1/2-1/2 – Shirov Alexei – G536
1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7
FIDE Grand Swiss 2025 1974 – Round 11 – Wagner Dennis – 1/2-1/2 – Hammer Jon Ludvig – G634
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7
FIDE Grand Swiss 2025 1974 – Round 2 – Sargissian Gabriel – 1/2-1/2 – Mamedyarov Shakhriyar – G72
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Nc6 9. Qxc4 Na5 10. Qc2 b6
FIDE Grand Swiss 2025 1974 – Round 3 – Shankland Sam – 1/2-1/2 – Shirov Alexei – G146
1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bf4 Nd5
FIDE Grand Swiss 2025 1974 – Round 9 – Dubov Daniil – 1/2-1/2 – Hakobyan Aram – G481
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7
FIDE World Blitz Championship 2025 1975 – Round 12 – Daniil Dubov – 1/2-1/2 – Yu Yangyi – G223
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7
FIDE World Cup 2017 – Round 1.1 – Piorun, Kacper – 1/2-1/2 – Hou, Yifan(HLJ) – G62
1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Qxc4 b6
FIDE World Cup 2017 – Round 3.5 – Giri, Anish – 1-0 – Srinivasan Sethuraman – G363
1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Bg5 h6
FIDE World Cup 2019 – Round 3.2 – Ding, Liren – 1/2-1/2 – Firouzja, Alireza – G328
1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Nc6 9. Qxc4 Na5 10. Qc2 b6
FIDE World Cup 2025 1974 – Round R1 Classical 1 – Aleksandar Indjic – 1-0 – Schnaider Ilan – G28
1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7
FIDE World Cup 2025 1974 – Round R2 Classical 1 – Donchenko Alexander – 1/2-1/2 – David Anton Guijarro – G276
1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. c4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bf4 Bd6
FIDE World Cup 2025 1974 – Round R4 Classical 2 – Daniil Dubov – 1/2-1/2 – Praggnanandhaa R – G554
1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 h6 9. Nbd2 Nc6 10. Qxc4 Nb4
FIDE World Cup 2025 1974 – Round R4 Classical 2 – Radoslaw Wojtaszek – 1/2-1/2 – Aronian Levon – G566
1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5
GCT Blitz YourNextMove 2016 – Round 9.5 – Aronian, Levon – 1-0 – Topalov, Veselin – G45
1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Qxc4 b6
GRENKE Chess Classic 2018 – Round 4.4 – Aronian, Levon – 1/2-1/2 – Hou, Yifan(HLJ) – G19
1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Qxc4 b6
Levitov Chess Week Rapid 2023 – Round 1.3 – Gelfand, Boris – 0-1 – Nepomniachtchi, Ian – G3
1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 h6 9. Nbd2 Nc6 10. Nxc4 Nxd4
Levitov Chess Week Rapid 2023 – Round 2.5 – Grischuk, Alexander – 1/2-1/2 – Kramnik, Vladimir – G10
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Nc6 9. Qxc4 Bd7 10. a5 Rc8
Levitov Chess Week Rapid 2023 – Round 3.2 – Gelfand, Boris – 1-0 – Grischuk, Alexander – G12
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Nc6 9. Qxc4 Bd7 10. Bd2 b5
Linares 1990 – Round 6 – Gulko, Boris – 1/2-1/2 – Ivanchuk, Vasyl – G8
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Nc6 10. Na3 Bxc5
Linares 1991 – Round 8 – Kamsky, Gata – 0-1 – Speelman, Jon S – G17
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Nc6 10. Na3 Bxc5
Norway Chess 2025 1974 – Round 3 – Carlsen Magnus – 1/2-1/2 – Wei Yi – G10
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5
Saint Louis Blitz 2019 – Round 15.1 – Aronian, Levon – 1/2-1/2 – Dominguez Perez, Leinier – G71
1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Qxc4 b6
Saint Louis Blitz 2024 - Round 10 - So Wesley - 1/2-1/2 - Nepomniachtchi Ian - G48 1971
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7
Saint Louis Rapid 2018 – Round 5.5 – So, Wesley – 0-1 – Dominguez Perez, Leinier – G25
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Nbd2 b5
Skopje ol (Men) fin-A 1972 – Round 11 – Korchnoi, Viktor – 1/2-1/2 – Ivkov, Borislav – G34
1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Nc6 9. Qxc4 Qd5 10. Nbd2 Rd8
Superbet Classic 2023 – Round 2.3 – Ding, Liren – 1/2-1/2 – Caruana, Fabiano – G8
1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Nc6 9. Qxc4 Na5 10. Qc2 b6
Tata Steel Chess 2025 1973 – Round 7 – Caruana Fabiano – 1/2-1/2 – Sarana Alexey – G37
1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7
Tata Steel Masters 2024 - Round 4 - Warmerdam, Max - 1/2-1/2 - Ju, Wenjun 1970
1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. d4 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5
World Blitz 2019 – Round 15.23 – Sargissian, Gabriel – 1/2-1/2 – Nozdrachev, Vladislav – G1000
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Qxc4 b6
World Blitz 2019 – Round 17.14 – Adly, Ahmed – 1-0 – Nozdrachev, Vladislav – G1121
1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Nbd2 b5
World Blitz 2021 – Round 15.3 – Dubov, Daniil – 1-0 – Martirosyan, Haik M. – G883
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 b6 9. Bg5 Bb7 10. Nbd2 b5
World Blitz 2021 – Round 17.6 – Aadvika Giri – 1/2-1/2 – Martirosyan, Haik M. – G1027
1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 b6 9. Ne5 Ra7 10. Qxc4 Bb7
World Blitz 2021 – Round 21.4 – Dubov, Daniil – 1/2-1/2 – Aadvika Giri – G1230
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 1/2-1/2
World Blitz 2023 – Round 3.16 – Kezin, Roman – 0-1 – Matlakov, Maxim – G150
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 h6 9. Rd1 Nc6 10. Qxc4 e5
World Rapid 2016 – Round 5.27 – Matlakov, Maxim – 1-0 – Saeed, Ishaq – G186
1. d4 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 d5 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Nc6 9. Qxc4 Rb8 10. Nc3 Nb4
World Rapid 2021 – Round 1.7 – Aadvika Giri – 1/2-1/2 – Pichot, Alan – G56
1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Qxc4 Nbd7
World Rapid 2021 – Round 9.47 – Kozak, Adam – 1/2-1/2 – Martirosyan, Haik M. – G540
1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qc2 a6 8. a4 b6 9. Bg5 Bb7 10. Qxc4 Nbd7

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →