Structure de pions

	♔ 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 Ok (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

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

Plans. Nbd2 (Développer b1 — 42 % des parties) ; Rd1 (27 % des parties) ; b3 (Préparer le fianchetto — 20 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bb7 (Fianchetto, fou sur la grande diagonale — 65 % des parties) ; ...Nbd7 (Développer b8 — 18 % des parties) ; ...Ba6 (Développer c8 — 9 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

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

E06n — Closed (1937)

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

Les coups candidats

8.Nbd2 — 41.9% (1438 parties)

Ambassadeurs : Dizdar, Goran (6x), Sumets, Andrey (6x), ? (5x), Mastrovasilis, Dimitrios (5x), Hoffman, Alejandro (5x), Kovalyov, Anatoly (4x), Huss, Andreas (4x), Grabarczyk, Miroslaw (4x)

8.Rd1 — 27.4% (941 parties)

Ambassadeurs : Kovalyov, Anton (19x), Hoffman, Alejandro (8x), Sumets, Andrey (7x), Dizdar, Goran (6x), Sapenov, Daniyal (6x), Ziatdinov, Raset (5x), Del Rio De Angelis, Salvador Gabriel (5x), Wagner, Dinara (4x)

8.b3 — 20.4% (701 parties)

Ambassadeurs : Dizdar, Goran (6x), Lputian, Smbat (5x), Smirnov, Ivan P (5x), Radulov, Ivan (4x), ? (4x), Postny, Evgeny (4x), Nei, Iivo (3x), Akopov, Roman (3x)

8.Bf4 — 4.6% (157 parties) →

Ambassadeurs : Akhvlediani, Irakli (6x), Voit, Daria (3x), Smyslov, Vasily (2x), Dizdar, Goran (2x), Franco Alonso, Alejandro (2x), Del Rio De Angelis, Salvador Gabriel (2x), Maiwald, Jens-Uwe (2x), Konik, Michael, Dr. (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	118	54%	19%	19%	3%
1800-2200	1124	49%	23%	18%	4%
2200-2600	1995	38%	31%	21%	5%
2600+	79	29%	29%	20%	10%

Évolution par décennie (% des parties)

Décennie	N parties	8.Nbd2	8.Rd1	8.b3	8.Bf4
1950s	13	46%	23%	23%	8%
1960s	23	26%	22%	30%	13%
1970s	30	20%	23%	47%	—
1980s	102	28%	22%	46%	1%
1990s	328	29%	24%	37%	3%
2000s	435	30%	29%	32%	3%
2010s	1312	48%	26%	17%	4%
2020s	1190	45%	30%	13%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Nbd2	48%	45%	▼ -2.7%
8.Rd1	26%	30%	▲ +4.0%
8.b3	17%	13%	▼ -4.2%
8.Bf4	4%	6%	▲ +2.4%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 5 parties
Kasparov, Garry — 5 parties
Karpov, Anatoly — 2 parties
Carlsen, Magnus — 2 parties
Botvinnik, Mikhail — 1 partie
Hou, Yifan — 1 partie

Parties historiques

8.Nbd2 — 41.9% (1438 parties)

1954 — Benkner, Otto vs Vesterinen, Jorma — 1/2-1/2 — Amsterdam NED
1954 — Bilozor, Olexander vs Podgorny, Jiri — 0-1 — Prague CZE
1955 — Esposito, Alfredo vs Ivkov, Borislav — 1/2-1/2 — Buenos Aires ARG
1955 — Ivkov, Borislav vs Janosevic, Dragoljub — 0-1 — Novi Sad SRB
1955 — Mikkov, Uno vs Sokolsky, Alexey — 1-0 — Voroshilovgrad

8.Rd1 — 27.4% (941 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 — Bilozor, Olexander vs Blatny, Frantisek — 1/2-1/2 — Prague CZE
1962 — Hilde Peterson vs Korelov, Alexander P — 1/2-1/2 — Leningrad RUS
1963 — Kolbak, Jens vs Scholl, Eddie C — 1-0 — The Hague NED

8.b3 — 20.4% (701 parties)

1951 — Furman, Semyon vs Zagorovsky, Vladimir — 0-1 — Tbilisi GEO
1954 — Lubensky, Vitaly vs Stoliarov, L. — 1-0 — ?
1956 — Larsen, Bent Ravn vs Miguel, Nahuel — 1/2-1/2 — Moskou olm
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 — 4.6% (157 parties)

1958 — Smyslov, Vasily vs Prameshuber, Alexander — 1/2-1/2 — Munchen olm
1961 — Smyslov, Vasily vs Averbakh, Yuri L — 1/2-1/2 — Moskou
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

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