Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● f2→g3, h2→g3 ● e6→d5, f7→e6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● f4 (2v0) ● e4 (2v1)
Cases faibles
Centre ● d4 (1v0), ● e5 (1v0) ● d5 (3v2), ● e4 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Bg2 ● Bg2 Actif (mob. 5)
Bc8 ● Bc8 Non développé (mob. 1)
Bf8 ● Bf8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 5 (● b1, ● g1, ● c1, ● a1, ● h1) 5 (● b8, ● c8, ● f8, ● a8, ● h8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Au centre ● Au centre
Droits de roque O-O / O-O-O O-O / O-O-O
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre fermé
Ruptures ● …e6-e5

E01a — Catalan: 4.Bg2

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 *   ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bK
bB
bR
bP
bP
bP
bP
bP
bP
bP
bN
bP
wPpawn en prise !
wPPion central
Case forte (2v0)
wP
wP
wP
wP
wP
wBFou actif — mobilité 5
wP
wR
wN
wBFou actif — mobilité 5
wQ
wK
wN
wR
abcdefgh
Plans. Nf3 (Développer g1 — 69 % des parties) ; Bd2 (Fou actif (mobilité 8), Développer c1 — 12 % des parties) ; Nd2 (Développer b1 — 6 % des parties) ; Qa4+ (Contrôle diagonale a4-e8, Prépare O-O-O — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wN
wK
wQ
wB
wN
wR
wP
wB
wP
wP
wP
wP
wP
Case forte (2v1)
wP
wPpawn en prise !
bP
bN
bP
bP
bP
bP
bP
bP
bP
bR
bBFou actif — mobilité 5
bK
bQ
bB
bN
bR
hgfedcba
Plans. ...Be7 (Fou actif (mobilité 5), Développer f8 — 38 % des parties) ; ...dxc4 (Capture en c4, Frapper le centre adverse — 27 % des parties) ; ...Bb4+ (Fou actif (mobilité 9), Développer f8 — 19 % des parties) ; ...c6 (Renforcer le centre — 8 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1938 Hastings3839 – Round 8 – Golombek, Harry – 1/2-1/2 – Thomas, George Alan – G35
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nc3 Bb4 6. Qb3 Bxc3+ 7. bxc3 Nb6 8. cxd5 exd5 9. Nf3 O-O 10. O-O c6
1938 Lodz – Round 1 – Menchik, Vera Frantsevna – 0-1 – Frydman, Paulino – G29
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 b6 5. cxd5 exd5 6. Nh3 Be7 7. Nc3 O-O 8. O-O Bf5 9. Nf4 c6 10. Qa4 Qc8
1939 Kemeri / Riga – Round 1 – Petrov, Vladimir S. – 1-0 – Bezruchko, Georgs – G27
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nd2 c5 6. Ngf3 Be7 7. O-O b6 8. cxd5 exd5 9. Nh4 g6 10. e4 Bb7
1941 USSR – Round 1 – Petrov, Vladimir (ENG) – 1-0 – Goldenov, Boris P – G5
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nf3 Be7 6. O-O dxc4 7. Nbd2 Nb6 8. Qc2 c5 9. dxc5 Bxc5 10. Nxc4 O-O
1945 Moskou ch-URS – Round 1 – Bondarevsky, Igor – 1/2-1/2 – Goldberg, Grigory A – G39
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nc3 dxc4 6. Qa4 a6 7. Nf3 Rb8 8. Qxc4 b5 9. Qb3 Bb7 10. Bf4 Rc8
1946 Mar del Plata – Round 1 – Maccioni, Alejandro – 0-1 – Bauza, Lorenzo – G9
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nf3 Bd6 6. Nc3 c6 7. O-O O-O 8. Qc2 b6 9. e4 dxe4 10. Ng5 Bb7
1946 POL Ch – Round 11 – Gawlikowski, Stanislaw – 1/2-1/2 – Sliwa, Bogdan – G65
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 b6 5. Nf3 Bb4+ 6. Bd2 Be7 7. O-O O-O 8. cxd5 exd5 9. Nc3 Re8 10. Ne5 Bb7
1947 Leningrad ch-URS – Round 1 – Alatortsev, Vladimir N. – 1/2-1/2 – Goldenov, Boris P – G17
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nd2 dxc4 6. Nxc4 Nb6 7. Nxb6 axb6 8. Nf3 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
1947 Leningrad ch-URS – Round 1 – Kasparian, Genrikh – 0-1 – Bondarevsky, Igor – G18
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nc3 c6 6. cxd5 exd5 7. Nf3 Bd6 8. Bf4 Bxf4 9. gxf4 O-O 10. Qc2 Re8
1948 Moskou ch-URS – Round 1 – Alatortsev, Vladimir N. – 1/2-1/2 – Panov, Vasily – G10
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nc6 5. Nf3 Be7 6. O-O O-O 7. Ne5 Nxe5 8. dxe5 Nd7 9. cxd5 Nxe5 10. dxe6 Bxe6
1948 Santa Fe – Round 1 – Maderna, Carlos – 1-0 – Bahamonde Corral, Alejandro – G3
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nf3 c5 6. cxd5 exd5 7. Nc3 Be7 8. O-O O-O 9. Bf4 Nb6 10. Rc1 c4
1950 Hungary – Round 1 – Gereben, Erno – 1-0 – Monostori, Lajos – G26
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nf3 Be7 6. Nc3 O-O 7. b3 Bb4 8. Bb2 Ne4 9. Qc2 c6 10. O-O Bxc3
1950 Mar del Plata – Round 6 – Bolbochan, J. – 1-0 – Sanguinetti, Ricardo – G46
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 b6 5. Nc3 Bb7 6. cxd5 exd5 7. Bg5 Be7 8. Qb3 Ne4 9. Bxe7 Qxe7 10. Nf3 c6
1951 Staunton Memorial – Round 10 – Golombek, Harry – 1/2-1/2 – Donner, Jan-Hein – G70
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nd2 Bd6 6. Ngf3 b6 7. O-O O-O 8. e4 dxe4 9. Ng5 Bb7 10. Ndxe4 Rb8
1956 URS Ch sf – Round ? – Geller, Alexander – 0-1 – Goldberg, Grigory A – G42
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nf3 b6 6. O-O Bb7 7. cxd5 exd5 8. Nc3 c6 9. Qb3 Be7 10. Bg5 O-O
1958 Riga Ch – Round 8 – Peterson, Andrejs – 1-0 – Darznieks Artur – G17
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Ne4 5. Nf3 Be7 6. O-O O-O 7. Qc2 Nd7 8. b3 c6 9. Ne1 f5 10. Nd3 Bf6
1958 Riga Ch – Round 9 – Darznieks Artur – 1-0 – Klavins, Janis – G19
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nc6 5. cxd5 exd5 6. Nc3 Bb4 7. a3 Bxc3+ 8. bxc3 h6 9. Nf3 Ne4 10. Qc2 Bf5
1959 Lodz ch POL – Round 11 – Gawlikowski, Stanislaw – 0-1 – Pojedziniec, Wladyslaw – G53
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 b6 5. Nc3 Bb7 6. cxd5 exd5 7. Nf3 Nbd7 8. Ne5 Nxe5 9. dxe5 Ne4 10. Nxe4 dxe4
1960 Corr – Round 1 – Fenech Graziani, Theo – 1-0 – Magrin, Antonio – G3
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nc6 5. cxd5 exd5 6. Nf3 Ne4 7. O-O Be7 8. Nc3 Bf5 9. Nd2 Nxd4 10. Qa4+ Nc6
1963 Amsterdam – Round 1 – Bertok, Mario Jr. – 1-0 – Crabbendam, Hans – G4
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. cxd5 exd5 6. Nc3 c6 7. Nf3 Be7 8. O-O O-O 9. Qc2 Re8 10. Bf4 Nf8
1966 CSR Ch Int 1st – Round 11 – Jimenez Zerquera, Eleazar – 1/2-1/2 – Novak, Ervin – G60
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nf3 Be7 6. O-O b6 7. Qa4 Bb7 8. Ne5 Bd6 9. Nc3 Qc8 10. cxd5 exd5
FIDE Grand Swiss 2025 – Round 2 – Woodward Andy – 1/2-1/2 – Grandelius Nils – G102
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bd6 5. Nf3 c6 6. O-O O-O 7. Nc3 Nbd7 8. Nd2 Be7 9. Qb3 a5 10. Rd1 b5
FIDE Grand Swiss 2025 – Round 4 – Gukesh D – 1/2-1/2 – Erigaisi Arjun – G177
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bd6 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. Nbd2 Re8 9. b3 e5 10. cxd5 cxd5
FIDE World Cup 2025 – Round R1 Classical 2 – Yu Yangyi – 1/2-1/2 – Thavandiran Shiyam – G102
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a4 Bd7 9. Nc3 Na5 10. Ba2 b4
Qatar Masters Open 2015 – Round 1.40 – Saduakassova, Dinara – 0-1 – Grandelius, Nils – G34
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 g6 5. Nc3 Bg7 6. Bg5 c6 7. e4 h6 8. Bxf6 Qxf6 9. Nf3 O-O 10. O-O dxc4

E01a — Closed (1938)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2
Les coups candidats
Ambassadeurs : Sosonko, Gennadi (49x), Karpov, Anatoly (35x), Campani, Paolo (33x), Mason, Ian J (29x), Frijling, Jeroen (28x), Mikhalevski, Victor (26x), ? (26x), Beliavsky, Alexander G (20x)
Ambassadeurs : Sosonko, Gennadi (32x), Sokolov, Andrei (31x), Korchnoi, Viktor (29x), Mason, Ian J (29x), Haba, Petr (25x), Frijling, Jeroen (24x), Vinchev, Simeon (21x), Razuvaev, Yuri S (18x)
Ambassadeurs : Tiviakov, Sergei (46x), Campani, Paolo (38x), Mason, Ian J (27x), Acciaro, Giuseppe (24x), Frijling, Jeroen (24x), Kireev, Vladimir Vasilyevich (20x), Galjé, Hans (19x), Campbell, Eoin S. (17x)
Ambassadeurs : Besozzi, Ferdinando (12x), Haba, Petr (6x), Aannevik, Bjarne (6x), Rigo, Janos (5x), Szczepanski, Zbigniew (5x), Chu, Ruotong (5x), Thorfinnsson, Bragi (4x), Straub, Natalia (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Be7 4…dxc4 4…Bb4+ 4…c6
<1800 1237 39% 20% 14% 12%
1800-2200 9224 39% 23% 17% 12%
2200-2600 11486 38% 29% 23% 5%
2600+ 957 40% 28% 29% 0%
Évolution par décennie (% des parties)
Décennie N parties 4…Be7 4…dxc4 4…Bb4+ 4…c6
1950s 325 23% 49% 2% 14%
1960s 161 38% 34% 6% 12%
1970s 484 46% 29% 3% 10%
1980s 1492 49% 33% 5% 6%
1990s 2968 42% 26% 9% 14%
2000s 4828 41% 29% 10% 12%
2010s 9418 38% 26% 22% 8%
2020s 6125 34% 23% 32% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Be7 38% 34% ▼ -3.6%
4…dxc4 26% 23% ▼ -3.1%
4…Bb4+ 22% 32% ▲ +10.4%
4…c6 8% 4% ▼ -3.3%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Smyslov, Vladimir — 3 parties
Tal, Mikhail — 3 parties
Botvinnik, Mikhail — 1 partie
Karpov, Aleksandr — 1 partie
Parties historiques
4…Be7 — 38.5% (9928 parties)
1950 — Lilienthal, Andor vs Stahlberg, Gideon — 1/2-1/2 — Budapest HUN
1950 — Flohr, Salo vs Stahlberg, Gideon — 1/2-1/2 — Budapest HUN
1950 — Novotelnov, Nikolai vs Kholmov, Ratmir D — 0-1 — URS-ch sf Tartu
1950 — Golombek, Harry vs Barden, Leonard — 1/2-1/2 — Southsea
1950 — Stein, Georg vs Atze, Burkhard — 1-0 — Soemmerda GER
4…dxc4 — 26.6% (6857 parties)
1950 — Smyslov, Vladimir vs Averbakh, Yuri L — 1/2-1/2 — Moskou ch-URS
1950 — Smyslov, Vasily vs Averbakh, Yuri L — 1/2-1/2 — Moscow RUS
1950 — Keres, Paul vs Lipnitsky, Isaac — 1/2-1/2 — Moskou ch-URS
1950 — Smyslov, Vasily vs Konstantinopolsky, Alexander — 1/2-1/2 — Moskou ch-URS
1950 — Dunkelblum, Arthur vs Flores, Ranz Kirby Anthony — 1/2-1/2 — Dubrovnik olm
4…Bb4+ — 18.9% (4876 parties)
1950 — Anay Barche vs Arlamowski, Lara — 1-0 — Schiavno Zdroj
1951 — Meyer, Heinrich vs Hoffmann Bruno — 1-0 — Minden
1953 — Porreca, Giorgio vs Pirc, Vasja — 0-1 — Opatija
1953 — Bulat, Ante vs Pirc, Vasja — 0-1 — Zagreb CRO
1954 — Bouwmeester, Hans vs Pirc, Vasja — 0-1 — Munich GER
4…c6 — 8.3% (2137 parties)
1950 — Stein, Georg vs Schlieder, Rolf — 1/2-1/2 — Soemmerda GER
1950 — Koltermann vs Horenstein — 1-0 — USSR
1950 — Dunkelblum, Arthur vs Pfeiffer, Gerhard — 1/2-1/2 — Dubrovnik olm
1950 — Kluger, Gyula vs Vajda, Arpad — 1/2-1/2 — Budapest HUN
1950 — Shainswit, George vs Pfeiffer, Gerhard — 1-0 — Dubrovnik olm

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