E04i — Catalan: Open, 5.Nf3 a6 6.O-O Nc6

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 a6 6.O-O Nc6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte f4, case forte e5, case forte g5, paire de fous, colonne c.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé, Bg2 enfermé, 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

hgfedcba

Avantages : majorité aile_dame (4v2), case forte b4, case forte d5, avant-poste d5(C), paire de fous, colonne d.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 4 pièces non développées (C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)
● ...Be7 — Développer Bf8
● ...Bg4 — Clouer Nf3
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E04i — Open

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 a6 6.O-O Nc6

Eval: [+0.41]

Les coups candidats

7.e3 — 62.3% (3999 parties) →

Ambassadeurs : Pérez López, Alberto (34x), Deforel, Jorge Eduardo (29x), Grammatica, Andrea (22x), Pheby, Ian M (22x), Dorer, Manfred (21x), Salzmann, Stefan (21x), Szczepanski, Zbigniew (19x), Rawlings, Alan J C (18x)

7.Nc3 — 19.9% (1278 parties)

Ambassadeurs : Rawlings, Alan J C (13x), Wisham, Clyde (12x), Kappes, Dieter (10x), Baumgartner, Ulrich (8x), Kveinys, Aloyzas (8x), Schoch, Thomas (8x), Sisák, Richard (7x), Ingersol, Harry (7x)

7.Bg5 — 7.1% (456 parties)

Ambassadeurs : Salzmann, Stefan (9x), Vinchev, Simeon (7x), Hoffmann, Frank (6x), Gleizerov, Evgeny (6x), Cernousek, Lukas (5x), Yuffa, Daniil (5x), Kosteniuk, Alexandra (4x), Potkin, Vladimir (4x)

7.Nbd2 — 3.2% (206 parties)

Ambassadeurs : Truskavetsky, Alexandr (6x), Hou, Yifan (3x), Nett, Philipp (3x), Kosteniuk, Alexandra (3x), Bonay Toscas, Santiago (3x), Jubin Jimmy (3x), Dronavalli, Harika (3x), Ohanyan, Emin (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.e3	7.Nc3	7.Bg5	7.Nbd2
<1800	75	68%	17%	3%	1%
1800-2200	1613	63%	22%	6%	2%
2200-2600	4160	62%	19%	8%	4%
2600+	233	51%	18%	14%	4%

Évolution par décennie (% des parties)

Décennie	N parties	7.e3	7.Nc3	7.Bg5	7.Nbd2
1950s	1	—	100%	—	—
1970s	11	64%	18%	9%	—
1980s	74	61%	15%	3%	1%
1990s	168	51%	33%	—	—
2000s	1056	59%	34%	1%	0%
2010s	3584	64%	20%	10%	2%
2020s	1520	61%	9%	5%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.e3	64%	61%	▼ -3.1%
7.Nc3	20%	9%	▼ -11.3%
7.Bg5	10%	5%	▼ -4.5%
7.Nbd2	2%	8%	▲ +6.0%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 6 parties
Gukesh D — 6 parties
Carlsen, Magnus — 4 parties
Hou, Yifan — 4 parties
Ju, Wenjun — 4 parties
Anand, Viswanathan — 3 parties
Ding, Liren — 3 parties
Karpov, Aleksandr — 1 partie
Kramnik, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie

Parties historiques

7.e3 — 62.3% (3999 parties)

1977 — Sosonko, Gennadi vs Karpov, Anatoly — 1/2-1/2 — cat. 14, It , Tilburg
1977 — Sosonko, Gennadi vs Karpov, Aleksandr — 1/2-1/2 — Tilburg NED
1978 — Gulko, Boris vs Sveshnikov, Evgeny — 1-0 — Tbilisi ch-URS
1978 — Razuvaev, Yuri S vs Beliavsky, Alexander G — 1/2-1/2 — Tbilisi ch-URS
1979 — Beliavsky, Alexander G vs Sveshnikov, Evgeny — 0-1 — It Novi Sad YUG

7.Nc3 — 19.9% (1278 parties)

1955 — Alvarez Martin, Pedro vs Gligorić, Svetozar — 0-1 — Buenos Aires ARG
1972 — Zilberstein, Valery I vs Anikaev, Yuri N — 1-0 — Odessa UKR
1978 — Bronstein, David I vs Petrosian, Arshak B — 1/2-1/2 — Kirovakan
1980 — Vukic, Milan vs Marjanovic, Slavoljub — 0-1 — Skender Vakuf
1981 — Taylor, Gordon vs Baragar, Fletcher — 1-0 — Montreal CAN

7.Bg5 — 7.1% (456 parties)

1973 — Rotariu, Gheorghe S vs Suta, Mihai — 0-1 — Bucharest ROU
1985 — Sikora-Lerch, Jan vs Ehlvest, Jaan — 0-1 — Prague CZE
1988 — Gedevanishvili, Dmitry vs Rogers, Ian — 0-1 — Canberra AUS
2004 — Giannetta, Paolo vs Tamburini, Lorenzo — 1/2-1/2 — Salsomaggiore Terme
2009 — Kamsky, Gata vs Gelfand, Boris — 1/2-1/2 — Nalchik RUS

7.Nbd2 — 3.2% (206 parties)

1988 — Schmidt, Ruediger vs Jackelen, Thomas — 1/2-1/2 — West Berlin GER
2008 — Govciyan, Pavel vs Kryvoruchko, Yuriy — 0-1 — Paleochora GRE
2009 — Hiçdönmez, Hakan vs Gurmen, Attila — 1/2-1/2 — ICCF
2010 — Wyss, Jean-Pierre Hanspeter vs Ismagambetov, Anuar — 0-1 — Zurich SUI
2010 — Joppich, Ulrich vs Baranowski, Tadeusz — 1/2-1/2 — ICCF

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c7
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→a6, f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 4v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v1), ● g5 (2v0)	● b4 (2v0), ● d5 (3v0)
Cases faibles	● d4	—
Centre	● e5 (2v1)	● d5 (3v0), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, c1, a1)	4 (c8, f8, 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	● d4-d5, ● e2-e3	● …e6-e5

Partie
1955 Buenos Aires CA – Round 1 – Alvarez Martin, Pedro – 0-1 – Gligorić, Svetozar – G8 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 a6 6. O-O Nc6 7. Nc3 Rb8 8. e4 Be7 9. d5 Nb4 10. Ne5 exd5
4. GRENKE Chess Classic 2017 – Round 3.4 – Bluebaum, Matthias – 0-1 – Naiditsch, Arkadij – G12 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 a6 6. O-O Nc6 7. Be3 Bd7 8. Qc1 b5 9. b3 cxb3 10. axb3 Bd6
43. Olympiad 2018 – Round 10.7 – Vidit, Santosh Gujrathi – 1/2-1/2 – L'Ami, Erwin – G686 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Nbd2 b5 8. b3 c3 9. Nb1 b4 10. a3 Bb7
82. Tata Steel GpA 2020 – Round 4.3 – Dubov, Daniil – 1/2-1/2 – Duda, Jacob – G23 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Qc2 Nxd4 8. Nxd4 Qxd4 9. Nd2 c3 10. bxc3 Qc5
9. Sinquefield Cup 2022 – Round 2.1 – Nepomniachtchi, Ian – 1-0 – Firouzja, Alireza – G6 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Qc2 Nxd4 8. Nxd4 Qxd4 9. Nd2 c3 10. bxc3 Qc5
Amber Blindfold 2000 – Round 9 – Ivanchuk, Vasyl – 1-0 – Karpov, Anatoly – G37 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 a6 6. O-O Nc6 7. Nc3 Rb8 8. e4 Be7 9. d5 Nb4 10. Ne5 exd5
Amber-blindfold 15th 2006 – Round 5 – Gelfand, Boris – 1/2-1/2 – Vallejo Pons, Francisco – G8 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Nc3 Rb8 8. e4 Be7 9. Qe2 Nxd4 10. Nxd4 Qxd4
Amber-rapid 19th 2010 – Round 6 – Ponomariov, Ruslan – 1/2-1/2 – Ivanchuk, Vasyl – G16 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Nc3 Rb8 8. e4 Be7 9. Qe2 Nxd4 10. Nxd4 Qxd4
FIDE Grand Swiss 2025 – Round 10 – Woodward Andy – 1-0 – Maghsoodloo Parham – G535 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Qc2 Nxd4 8. Nxd4 Qxd4 9. Nd2 c3 10. bxc3 Qc5
FIDE World Cup 2025 – Round R3 Rapid 1 – Nodirbek Yakubboev – 1-0 – Nguyen Thai Dai Van – G521 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 g6 5. Nf3 Bg7 6. Na3 cxd4 7. Nb5 Qd8 8. Bf4 Na6 9. Nbxd4 Nf6 10. Bc4 O-O
FTX Crypto Cup 2022 – Round 6.4 – Carlsen, Magnus – 1/2-1/2 – Firouzja, Alireza – G92 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Bg5 Be7 8. e3 Nd5 9. Bxe7 Ncxe7 10. Ne5 b5
GCT Blitz Croatia 2021 – Round 12.2 – Giri, Anish – 1-0 – Nepomniachtchi, Ian – G57 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 a6 5. Bg2 dxc4 6. O-O Nc6 7. a4 Rb8 8. a5 b5 9. axb6 cxb6 10. Bf4 Bd6
It 2005 – Round 9 – Nielsen, Peter Heine – 1/2-1/2 – Van Wely, Loek – G22 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Nc3 Rb8 8. e4 b5 9. d5 Nb4 10. b3 cxb3
La Valetta MLT 1980 – Round 1 – Alburt, Lev – 1/2-1/2 – Portisch, Lajos – G2 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 a6 6. O-O Nc6 7. a4 Rb8 8. a5 Bb4 9. Qc2 Nxa5 10. Qa4+ Nc6
Sparkassen Gp 2 2002 – Round 4 – Bareev, Evgeny – 1/2-1/2 – Adams, Michael – G7 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Nc3 Rb8 8. e4 Be7 9. d5 exd5 10. exd5 Nb4
SuperUnited Blitz 2023 – Round 2.3 – Carlsen, Magnus – 1-0 – Duda, Jacob – G8 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Be3 Bd7 8. Qc1 b5 9. b3 cxb3 10. axb3 Nd5
Tal Memorial 2009 – Round 9 – Ponomariov, Ruslan – 1-0 – Morozevich, Alexander – G37 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Bg5 Be7 8. e3 O-O 9. Nbd2 e5 10. Nxc4 exd4
Tata Steel India Rapid 2019 – Round 2.4 – Saini Vidit – 1/2-1/2 – Nakamura, Hikaru – G9 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Nbd2 b5 8. b3 Rb8 9. Bb2 cxb3 10. Nxb3 Be7
TCh-RUS 2008 – Round 10 – Gelfand, Boris – 1/2-1/2 – Riazantsev, Alexander – G271 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Nc3 Rb8 8. e4 Be7 9. Qe2 b5 10. Rd1 Nb4
World Blitz 2007 – Round 36 – Anand, Viswanathan – 1-0 – Gelfand, Boris – G356 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Nc3 Rb8 8. e3 b5 9. Qe2 Be7 10. Rd1 Nd5
World Blitz 2007 – Round 6 – Gelfand, Boris – 1/2-1/2 – Karpov, Anatoly – G53 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Nc3 Rb8 8. e4 Be7 9. Qe2 b5 10. Rd1 Nb4
World Blitz 2021 – Round 20.61 – Narayanan, Sunilduth Lyna – 1-0 – Zilka, Stepan – G1193 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. b3 cxb3 8. Qxb3 Be7 9. Bb2 O-O 10. Rc1 Bd7
World Blitz 2022 – Round 2.27 – Makhnev, Denis – 0-1 – Cheparinov, Ivan – G77 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Qd2 Bb4 8. Qc2 b5 9. b3 Bb7 10. bxc4 Nxd4
World Rapid 2021 – Round 2.86 – Mitrabha, Guha – 1-0 – Zilka, Stepan – G132 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Nbd2 Nxd4 8. Nxc4 Nxf3+ 9. Bxf3 Bd6 10. Nxd6+ cxd6

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