+0.44 léger avantage blanc. Base Masters : Blancs 37.4%, Nulles 49.8%, Noirs 12.8%.
Coups candidats
6.O-O (63.5% — Blancs: 38.8% | Nulles: 46.6% | Noirs: 14.6%)
6.Qa4+ (29.4% — Blancs: 34.6% | Nulles: 57.2% | Noirs: 8.2%)
6.Qc2 (3.0% — Blancs: 31.2% | Nulles: 50.0% | Noirs: 18.8%)
6.Nc3 (1.5% — Blancs: 25.0% | Nulles: 62.5% | Noirs: 12.5%)
6.Ne5 (1.3% — Blancs: 28.6% | Nulles: 42.9% | Noirs: 28.6%)
6.Na3 (1.3%)
6.Qa4+ (29.4% — Blancs: 34.6% | Nulles: 57.2% | Noirs: 8.2%)
6.Qc2 (3.0% — Blancs: 31.2% | Nulles: 50.0% | Noirs: 18.8%)
6.Nc3 (1.5% — Blancs: 25.0% | Nulles: 62.5% | Noirs: 12.5%)
6.Ne5 (1.3% — Blancs: 28.6% | Nulles: 42.9% | Noirs: 28.6%)
6.Na3 (1.3%)
auto
Analyse coup par coup — 10 demi-coups commentés
1.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
1…Nf6 Contrôle e4, d5.
2.c4 Avancée centrale — contrôle b5, d5. Prépare d4, Nc3, e4.
2…e6 Avancée centrale — contrôle d5, f5. Prépare d5, Be7, Bd6.
3.g3 Prépare le fianchetto du Fou (Bg2).
3…d5 Avancée centrale — contrôle c4, e4. Prépare c5, e5.
4.Bg2 Contrôle e4, f4, c5, d5.
4…dxc4 Capture en c4 — résout la tension centrale.
5.Nf3 Contrôle f4, c5, e5.
5…Be7 Contrôle d4, e4, c5, d5.
1…Nf6 Contrôle e4, d5.
2.c4 Avancée centrale — contrôle b5, d5. Prépare d4, Nc3, e4.
2…e6 Avancée centrale — contrôle d5, f5. Prépare d5, Be7, Bd6.
3.g3 Prépare le fianchetto du Fou (Bg2).
3…d5 Avancée centrale — contrôle c4, e4. Prépare c5, e5.
4.Bg2 Contrôle e4, f4, c5, d5.
4…dxc4 Capture en c4 — résout la tension centrale.
5.Nf3 Contrôle f4, c5, e5.
5…Be7 Contrôle d4, e4, c5, d5.
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | ● c4, ● c7 |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | ● f2→g3, h2→g3 | ● f7→e6 |
| Passés | — | — |
| Majorité | — | ● aile dame 4v2 |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● f4 (2v0), ● e5 (2v0), ● g5 (2v0) | ● d5 (3v0) |
| Cases faibles | — | — |
| Centre | ● d4 (2v1), ● e5 (2v0) | ● d5 (3v0), ● e4 (1v0) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs | |
| Semi-ouvertes | ● c | ● d |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 5) | |
| Bg2 | ● Bg2 Ok (mob. 2) | |
| Be7 | ● Be7 Actif (mob. 5) | |
| Bc8 | ● Bc8 Non développé (mob. 1) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 4 (● b1, ● c1, ● a1, ● h1) | 4 (● b8, ● c8, ● 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 | mobile | |
| Ruptures | ● d4-d5 | ● …c4-c3, ● …c7-c5, ● …e6-e5 |
E05 — Catalan Opening: Open Defense, Classical Line
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7 ○ Trait aux Blancs
Ouverture — Centre mobile
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Plans. O-O (Mettre le roi en sécurité, connecter les tours — 67 % des parties) ; Qa4+ (Contrôle diagonale a4-e8, Prépare O-O-O — 23 % des parties).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Plans. ...O-O (Mettre le roi en sécurité, connecter les tours — 64 % des parties) ; ...Nbd7 (Développer b8 — 13 % des parties) ; ...Bd7 (Développer c8 — 9 % des parties) ; ...a6 (Préparer expansion aile dame — 5 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
| Partie |
|---|
| 1938 URS Ch, semi final – Round 1 – Kopaev, Nikolay A – 1-0 – Makogonov, Mikhail – G16 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7 6. Qa4+ Bd7 7. Qxc4 Bc6 8. O-O O-O 9. Nc3 a6 10. a3 b5 |
| 1939 Kemeri / Riga – Round 1 – Flohr, Salo – 1-0 – Szabo, Ladislav – G26 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 dxc4 6. Qa4+ Nbd7 7. O-O O-O 8. Qxc4 c5 9. dxc5 Nxc5 10. Be3 Qd5 |
| 1941 Buenos Aires – Round 1 – Luckis, Marcos – 1/2-1/2 – Winz, Heinz – G1 1. c4 Nf6 2. d4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 dxc4 6. Qa4+ Nbd7 7. Nc3 a6 8. O-O O-O 9. Qxc4 b5 10. Qd3 Bb7 |
| 1942 Chocen – Round ? – Keller, Rudolf – 1-0 – Thelen, Bedrich – G12 1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nf3 dxc4 6. Qa4+ Nbd7 7. Nbd2 O-O 8. Qxc4 c5 9. dxc5 Bxc5 10. O-O Qe7 |
| 1943 Ventnor City – Round 5 – Shainswit, George – 1-0 – Levin Astorga, Nicolas Daniel – G11 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 dxc4 6. Qa4+ Nbd7 7. O-O O-O 8. Qxc4 c5 9. dxc5 Nxc5 10. Nc3 a6 |
| 1943 Zlin – Round 12 – Sajtar, Jaroslav – 0-1 – Hromadka, Karel – G71 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. d4 Be7 5. Nf3 dxc4 6. Qa4+ Qd7 7. Qxc4 Qc6 8. Nbd2 Qxc4 9. Nxc4 Nbd7 10. O-O O-O |
| 1945 Moscow Ch – Round 16 – Simagin, Vladimir – 1-0 – Aramanovic, I. – G91 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 dxc4 6. Qa4+ Bd7 7. Qxc4 Bc6 8. Nc3 Nbd7 9. O-O O-O 10. Qd3 Nd5 |
| 1945 Moscow RUS – Round 9 – Poliak, Abram – 1-0 – Verlinsky, Boris – G13 1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 dxc4 6. Qa4+ Nbd7 7. O-O a6 8. Qxc4 c5 9. dxc5 Bxc5 10. b4 Be7 |
| 1946 Leningrad – Round 1 – Petrosian, Tigran A. – 1-0 – Zeinalli – G4 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 Be7 6. Nbd2 Nbd7 7. O-O O-O 8. Nxc4 Nb6 9. Nfe5 c6 10. Qb3 Nxc4 |
| 1950 Mar del Plata – Round 8 – Maderna, Carlos – 1-0 – Alvarez Martin, Pedro – G64 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 dxc4 6. Qa4+ Nbd7 7. O-O O-O 8. Qxc4 c5 9. Rd1 cxd4 10. Nxd4 Qb6 |
| 1951 Marianske Lazne zt – Round 1 – Barcza, Gedeon – 1-0 – Fred, Aatos – G28 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 dxc4 6. Qa4+ Nbd7 7. Qxc4 a6 8. Qc2 c5 9. O-O O-O 10. Nc3 cxd4 |
| 1952 Rio de Janeiro – Round 13 – Bolbochan, Julio – 1/2-1/2 – Toth, Vince – G73 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Be7 6. Qa4+ Bd7 7. Qxc4 Bc6 8. Nc3 Nbd7 9. O-O O-O 10. Re1 Nb6 |
| 1954 CSR Ch – Round 6.2 – Filip, Miroslav – 1-0 – Weiner, Milan – G50 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Be7 6. Qa4+ Bd7 7. Qxc4 Bc6 8. Nc3 Nbd7 9. O-O O-O 10. Rd1 Nb6 |
| 1954 URS Team Ch – Round 8 – Alatortsev, Vladimir N. – 1-0 – Poljak, Srebrenka – G135 1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nf3 dxc4 6. Qa4+ Nbd7 7. Qxc4 a6 8. Qc2 O-O 9. O-O c5 10. Rd1 cxd4 |
| 1958 Munich olm fin-B – Round 1 – Alvarez Martin, Pedro – 1-0 – Kostro, Jerzy – G2 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 dxc4 6. Qa4+ Nbd7 7. Qxc4 c5 8. O-O a6 9. Qc2 O-O 10. Nc3 cxd4 |
| 1964 Bordeaux Open – Round 7 – Clarke, Peter H – 1/2-1/2 – Bergraser, Volf – G23 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. d4 dxc4 6. Qa4+ Nbd7 7. O-O a6 8. Qxc4 b5 9. Qc2 Bb7 10. a4 Be4 |
| 1966 Sochi – Round 8 – Bertok, Mario Jr. – 1/2-1/2 – Polugaevsky, L. – G30 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Be7 6. Qc2 a6 7. a4 Nbd7 8. Nbd2 c5 9. dxc5 Nxc5 10. Nxc4 Nd5 |
| 1967 Capablanca Memorial – Round 11 – Smyslov, Vladimir – 1/2-1/2 – Polugaevsky, Lev – G95 1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 dxc4 6. Qa4+ Nbd7 7. O-O a6 8. Qxc4 b5 9. Qc2 Bb7 10. a4 c5 |
| 1967 YUG Ch 22th – Round 7 – Bertok, Mario Jr. – 1/2-1/2 – Kovacevic, Vlatko – G31 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 dxc4 6. Qc2 a6 7. a4 O-O 8. Nbd2 Nc6 9. Qxc4 Qd5 10. O-O Rd8 |
| 1971 Moscow – Round 13 – Hort, Vlastimil – 1/2-1/2 – Tukmakov, Vladimir B – G67 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 dxc4 6. Ne5 c5 7. Qa4+ Nfd7 8. dxc5 O-O 9. Nxd7 Nxd7 10. Qxc4 Nxc5 |
| Lindores Abbey Tal Memorial 2021 – Round 1.44 – Oparin, Grigoriy – 1-0 – Divya Deshmukh – G39 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 dxc4 6. Qa4+ c6 7. Qxc4 b5 8. Qd3 Bb7 9. Ne5 O-O 10. O-O Qb6 |
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- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05a - 6.* - Open Defense, Classical Line (1938), SÉRIE E
1938 URS Ch, semi final – Round 1 – Kopaev, Nikolay A – 1-0 – Makogonov, Mikhail – G16
- Lire la suite
-
- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05a - 6.* - Open Defense, Classical Line (1938), SÉRIE E
1939 Kemeri / Riga – Round 1 – Flohr, Salo – 1-0 – Szabo, Ladislav – G26
- Lire la suite
-
- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05a - 6.* - Open Defense, Classical Line (1938), SÉRIE E
1941 Buenos Aires – Round 1 – Luckis, Marcos – 1/2-1/2 – Winz, Heinz – G1
- Lire la suite
-
- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05a - 6.* - Open Defense, Classical Line (1938), SÉRIE E
1942 Chocen – Round ? – Keller, Rudolf – 1-0 – Thelen, Bedrich – G12
- Lire la suite
-
- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05a - 6.* - Open Defense, Classical Line (1938), SÉRIE E
1943 Ventnor City – Round 5 – Shainswit, George – 1-0 – Levin Astorga, Nicolas Daniel – G11
- Lire la suite
-
- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05a - 6.* - Open Defense, Classical Line (1938), SÉRIE E
1943 Zlin – Round 12 – Sajtar, Jaroslav – 0-1 – Hromadka, Karel – G71
- Lire la suite
-
- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05a - 6.* - Open Defense, Classical Line (1938), SÉRIE E
1945 Moscow Ch – Round 16 – Simagin, Vladimir – 1-0 – Aramanovic, I. – G91
- Lire la suite
-
- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05a - 6.* - Open Defense, Classical Line (1938), SÉRIE E
1945 Moscow RUS – Round 9 – Poliak, Abram – 1-0 – Verlinsky, Boris – G13
- Lire la suite
-
- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05a - 6.* - Open Defense, Classical Line (1938), SÉRIE E
1946 Leningrad – Round 1 – Petrosian, Tigran A. – 1-0 – Zeinalli – G4
- Lire la suite
-
- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05a - 6.* - Open Defense, Classical Line (1938), SÉRIE E
1950 Mar del Plata – Round 8 – Maderna, Carlos – 1-0 – Alvarez Martin, Pedro – G64
- Lire la suite
-
- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05a - 6.* - Open Defense, Classical Line (1938), SÉRIE E
1951 Marianske Lazne zt – Round 1 – Barcza, Gedeon – 1-0 – Fred, Aatos – G28
- Lire la suite
-
- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05a - 6.* - Open Defense, Classical Line (1938), SÉRIE E
1952 Rio de Janeiro – Round 13 – Bolbochan, Julio – 1/2-1/2 – Toth, Vince – G73
- Lire la suite













Hou, Yifan — 2 parties
1959 — Rotstein, Jefim vs Levin, Mikhail — 1-0 — Kiev UKR
1960 — Pietzsch, Wolfgang vs Bergraser, Volf — 1/2-1/2 — Leipzig olm prel
1960 — Abad Calderon, Abraham vs Cafferty, Bernard — 1-0 — Leicester
1965 — Faleg, Alberto vs Behrensen, Jorge — 1-0 — Buenos Aires ch-ARG
1950 — Maderna, Carlos vs Martin M Pereira — 1-0 — Mar del Plata ARG
1951 — Anay Barche vs Abalos, Fredie — 1-0 — Marianske Lazne zt
1952 — Bolbochan, Julio vs Toth, Vince — 1/2-1/2 — Rio de Janeiro BRA
1954 — Alatortsev, Vladimir N. vs Poljak, Srebrenka — 1-0 — Riga LAT
1967 — Bertok, Mario Jr. vs Kovacevic, Vlatko — 1/2-1/2 — Kraljevo
1986 — Alburt, Lev vs Garcia, Gildardo — 1-0 — Somerset
1986 — Stohl, Igor vs Blatny, Pavel — 1/2-1/2 — Czechoslovakia
1987 — Ross, Paul vs Vaichaitis, Rimantas — 1-0 — Toronto CAN
1971 — Hort, Vlastimil vs Tukmakov, Vladimir B — 1/2-1/2 — Moscow RUS
1985 — Nicolini, Osvaldo vs Gutierrez Barboza, Carlos Miguel — 1-0 — ?
1988 — Chat, Arthur vs Pandix — 1/2-1/2 — MWCCC Software
1990 — Bernal Portillo, Miranda Evangeline vs Sanchez Alvarez, Francisco Javier — 1-0 — ?