E06n — Catalan: Closed, 6.O-O c6 7.Qc2 b6

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O c6 7.Qc2 b6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte f4, case forte e5, case forte g5, paire de fous.
Faiblesses adverses : Bc8 enfermé.
Problèmes : Bc1 enfermé, Bg2 enfermé, 3 pièces non développées (B1, C1, A1).
Plans :
● Nc3 — Développer Nb1
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4, Be7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Problèmes : Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, ...Bg4, ...Bf5)
● ...Nbd7 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E06n — Closed

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O c6 7.Qc2 b6

Eval: [+0.36]

Les coups candidats

8.Nbd2 — 41.9% (1325 parties)

Ambassadeurs : Kovalyov, Anatoly (10x), Sumets, Andrey (8x), Kozul, Zdenko (6x), Kezin, Roman (5x), Smirnov, Pavel (5x), Berend, Fred (5x), Murugan, Krishnamoorthy (4x), Grabarczyk, Miroslaw (4x)

8.Rd1 — 26.8% (847 parties)

Ambassadeurs : Kovalyov, Anatoly (12x), Del Rio De Angelis, Salvador G. (7x), Hoffman, Alejandro (7x), Dizdar, Goran (6x), Ziatdinov, Raset (5x), Kovalyov, Anton (5x), Mochalov, Evgeny V (4x), Tica, Sven (4x)

8.b3 — 21.1% (669 parties)

Ambassadeurs : Dizdar, Goran (6x), Lputian, Smbat (5x), Postny, Evgeny (5x), Godena, Michele (4x), Huss, Andreas (4x), Kovalyov, Anatoly (4x), Nei, Iivo (3x), Kachiani-Gersinska, Ketino (3x)

8.Bf4 — 4.5% (142 parties) →

Ambassadeurs : Akhvlediani, Irakli (6x), Voit, Daria (3x), Smyslov, Vladimir (2x), Franco Alonso, Alejandro (2x), Del Rio De Angelis, Salvador G. (2x), Dizdar, Goran (2x), Konik, Michael, Dr. (2x), Kunz, Konstantin (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Nbd2	8.Rd1	8.b3	8.Bf4
<1800	45	62%	20%	16%	—
1800-2200	884	50%	22%	19%	4%
2200-2600	1984	39%	29%	22%	5%
2600+	86	30%	30%	20%	9%

Évolution par décennie (% des parties)

Décennie	N parties	8.Nbd2	8.Rd1	8.b3	8.Bf4
1930s	1	—	—	—	—
1940s	6	83%	—	—	—
1950s	13	46%	23%	23%	8%
1960s	23	26%	22%	30%	13%
1970s	30	20%	23%	47%	—
1980s	102	28%	22%	46%	1%
1990s	329	29%	24%	37%	3%
2000s	434	30%	29%	32%	3%
2010s	1289	48%	26%	17%	4%
2020s	937	46%	29%	13%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Nbd2	48%	46%	▼ -1.9%
8.Rd1	26%	29%	▲ +3.2%
8.b3	17%	13%	▼ -3.7%
8.Bf4	4%	7%	▲ +2.5%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 5 parties
Smyslov, Vladimir — 4 parties
Tal, Mikhail — 4 parties
Karpov, Aleksandr — 2 parties
Carlsen, Magnus — 2 parties
Botvinnik, Mikhail — 1 partie
Hou, Yifan — 1 partie

Parties historiques

8.Nbd2 — 41.9% (1325 parties)

1940 — Reshevsky, Samuel vs Kupchik, Abraham — 1-0 — New York, NY USA
1942 — Petrov, Vladimirs vs Ilivitsky, Georgy A — 1-0 — Sverdlovsk
1947 — Szabo, Ladislav vs Laszlo, Csaba — 1-0 — Budapest HUN
1949 — Kottnauer, Cenek vs Gawlikowski, Stanislaw — 1-0 — POL-CSR Katowice POL
1949 — Lilienthal, Andor vs Simagin, Vladimir — 1-0 — Moscow RUS

8.Rd1 — 26.8% (847 parties)

1953 — O'Kelly de Galway, Alberic vs Thibaut, Georges — 1/2-1/2 — Antwerp BEL
1954 — O'Kelly de Galway, Alberic vs Soultanbeieff, Victor — 1-0 — Dublin IRL
1957 — Olexa, Vilem vs Blatny, Frantisek — 1/2-1/2 — Prague CZE
1962 — Peterson, Andrejs vs Korelov, Alexander P — 1/2-1/2 — Leningrad RUS
1963 — Kolbak, Jens vs Scholl, Eddie C — 1-0 — The Hague NED

8.b3 — 21.1% (669 parties)

1951 — Furman, Semyon vs Zagorovsky, Vladimir — 0-1 — Tbilisi GEO
1954 — Lubensky, Vitaly vs Stoliarov, L. — 1-0 — ?
1956 — Larsen, Benjamin Holsko vs Najdorf, Miguel — 1/2-1/2 — Moscow RUS
1960 — Geller, Efim P. vs Nei, Iivo — 1-0 — Leningrad RUS
1963 — Van Seters, Frits vs Kramer, Hanspeter — 1/2-1/2 — Beverwijk NED

8.Bf4 — 4.5% (142 parties)

1958 — Smyslov, Vladimir vs Prameshuber, Alexander — 1/2-1/2 — Munchen olm
1961 — Smyslov, Vladimir vs Averbakh, Yuri L — 1/2-1/2 — Moscow RUS
1966 — O'Kelly, Albéric de Galway vs Ulvestad, Olaf — 1/2-1/2 — Lanjaron
1968 — Osnos, Viatcheslav vs Liberzon, Vladimir M — 1/2-1/2 — Alma Ata ch-URS
1988 — Ricardi, Pablo vs Adla, Diego — 1/2-1/2 — Mar del Plata ARG

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● c6→d5, e6→d5, a7→b6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v0), ● g5 (2v0)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (2v0)	● d5 (4v1), ● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Be7		● Be7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 3)
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	fermé
Ruptures	● c4-c5	● …c6-c5, ● …e6-e5

Partie
1937 Semmering/Baden – Round 11 – Fine, Reuben – 1/2-1/2 – Ragozin, Viacheslav – G39 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 c6 5. Qc2 Be7 6. Bg2 O-O 7. O-O b6 8. Ne5 Ba6 9. Rd1 Nfd7 10. cxd5 Nxe5
1940 New York ch-USA – Round 16 – Reshevsky, Samuel – 1-0 – Kupchik, Abraham – G94 1. d4 e6 2. Nf3 d5 3. c4 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 b6 8. Nbd2 Bb7 9. Rd1 Nbd7 10. e4 dxe4
1948 Karlovy Vary – Round 11 – Opocensky, Karel – 0-1 – Gawlikowski, Stanislaw – G111 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. Qc2 b6 8. cxd5 exd5 9. Nc3 Bb7 10. Bf4 Nbd7
1962 Leningrad – Round 2.5 – Peterson, Andrejs – 1/2-1/2 – Korelov, Alexander P – G36 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. Rd1 Bb7 9. Nbd2 Nbd7 10. e4 Rc8
1962 Varna olm – Round 7 – Benko, Pal – 1-0 – Darga, Klaus – G165 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. Ne5 Bb7 9. Rd1 Qc8 10. Nc3 Nbd7
1964 Budapest ch-HUN – Round 1 – Sapi, Laszlo – 0-1 – Prelovszky, Laszlo – G13 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. d4 Be7 5. Nf3 O-O 6. O-O c6 7. Qc2 b6 8. Nbd2 Bb7 9. e4 c5 10. cxd5 exd5
1966 Hoogovens 28th – Round 12 – Ivkov, Borislav – 1/2-1/2 – Nei, Iivo – G33 1. d4 d5 2. c4 c6 3. Nf3 e6 4. Qc2 Nf6 5. g3 Be7 6. Bg2 O-O 7. O-O b6 8. b3 Bb7 9. Bb2 Nbd7 10. Nc3 Rc8
1966 Kecskemet Laszlo Toth Memorial – Round 1 – Bilek, Istvan – 1/2-1/2 – Padevsky, Nikola – G7 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. Rd1 Bb7 9. Ne5 Nbd7 10. Bf4 Rc8
1967 Capablanca Memorial – Round 19 – Smyslov, Vladimir – 1-0 – O'Kelly de Galway, Alberic – G164 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O c6 6. Qc2 O-O 7. d4 b6 8. Nbd2 Bb7 9. e4 dxe4 10. Nxe4 Nbd7
36. Olympiad 2004 – Round 14 – Kozul, Zdenko – 1/2-1/2 – Beliavsky, Alexander G – G511 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 b6 8. cxd5 cxd5 9. Bf4 Bb7 10. Ne5 Nfd7
42. Olympiad 2016 – Round 10.8 – Nguyen, Ngoc Truong Son – 1/2-1/2 – Lenic, Luka – G743 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. Qc2 b6 8. Rd1 h6 9. b3 Bb7 10. Nc3 Nbd7
42. Olympiad 2016 – Round 2.17 – Oussedik, Mahfoud – 1/2-1/2 – Leitao, Rafael – G93 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. c4 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. Nbd2 Bb7 9. Rd1 Nbd7 10. e4 dxc4
42. Olympiad 2016 – Round 7.17 – Kreisl, Robert – 0-1 – Fressinet, Laurent – G485 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 b6 8. Nbd2 Bb7 9. e4 Na6 10. a3 c5
43. Olympiad 2018 – Round 1.25 – Oatlhotse, Providence – 0-1 – Lenic, Luka – G37 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. Rd1 h6 9. b3 Nbd7 10. Bb2 Bb7
Brussels 1987 – Round 1 – Karpov, Anatoly – 1/2-1/2 – Tal, Mikhail – G39 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. Nbd2 Bb7 9. e4 Na6 10. e5 Nd7
FIDE World Rapid 2014 – Round 11.38 – Kasimdzhanov, Rustam – 1/2-1/2 – Achintya Shyam, Chowdhury – G260 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. d4 Be7 5. Nf3 O-O 6. O-O c6 7. Qc2 b6 8. Rd1 Bb7 9. Nbd2 Na6 10. b3 c5
Hastings8899 1988 – Round 1 – Gulko, Boris – 1-0 – Kosten, Anthony C. – G11 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. Qc2 c6 7. O-O b6 8. b3 Bb7 9. Nc3 Na6 10. Rd1 Rc8
World Blitz 2019 – Round 19.50 – Esipenko, Andrey – 0-1 – Kazakouski, Valery – G1300 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 b6 8. b3 a5 9. Bb2 a4 10. Ne5 axb3
World Blitz 2022 – Round 6.19 – Matlakov, Maxim – 1-0 – Jumabayev, Rinat – G295 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Be7 6. O-O O-O 7. Qc2 b6 8. b3 Bb7 9. Rd1 h6 10. Bb2 Nbd7
World Blitz 2023 – Round 2.18 – Vakhidov, Daler – 0-1 – Idani, Pouya – G88 1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. c4 c6 7. Qc2 b6 8. Nbd2 c5 9. e4 Nc6 10. dxc5 bxc5
World Rapid 2021 – Round 9.24 – Sargsyan, Shant – 0-1 – Santos Latasa, Jaime – G520 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 b6 8. b3 Bb7 9. Nc3 Nbd7 10. e4 Ba6

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