Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● c6→d5, e6→d5, b7→c6, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bb2	● Bb2 Ok (mob. 3)
Bg2	● Bg2 Ok (mob. 2)
Be7		● Be7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (● b1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	—	● …c6-c5, ● …e6-e5

E07j — Catalan: Closed, 6…Nbd7 7.b3

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.b3 c6 8.Bb2 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Manœuvres et amélioration des pièces.

Atouts. Les Blancs s'appuient sur un contrôle dominant de e5.

Côté adverse. Un mauvais fou en c8.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1 et la tour a1).

Plans. Nbd2 (Développer b1 — 44 % des parties) ; Qc2 (17 % des parties) ; Nc3 (Développer b1 — 16 % des parties) ; Nfd2 (6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu sur l'aile dame (...b6 dans 66 % des parties).

Atouts. Les Noirs s'appuient sur un contrôle dominant de e4 et un fou actif en e7.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...b6 (Préparer le fianchetto — 66 % des parties) ; ...Ne4 (Cavalier centralisé en e4 — 13 % des parties) ; ...b5 (Expansion aile dame — 9 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1925 Leningrad – Round 1 – Reti, Richard – 0-1 – Romanovsky, Pjotr – G21 1. Nf3 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 O-O 5. O-O d5 6. d4 Nbd7 7. b3 c6 8. Bb2 Ne4 9. Nbd2 f5 10. Ne5 Nxe5
1927 DSB-25.Kongress – Round 1 – Bogoljubow, Efim – 1-0 – Hilse, Wilhelm H – G5 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O Nbd7 6. b3 O-O 7. Bb2 c6 8. d4 b6 9. Nc3 Bb7 10. Qc2 Rc8
1933 Budapest – Round ? – Eliskases, Erich – 1-0 – Sterk, Karoly – G17 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. d4 Kh8 9. Nbd2 Ng8 10. e4 dxe4
1935 GER-SWE m – Round 5 – Carls, Carl – 0-1 – Larsson, Ernst – G11 1. c4 e6 2. g3 d5 3. Nf3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 Ne4 9. Nc3 f5 10. e3 b6
1938 USA Ch – Round 2 – Polland David – 1-0 – Kupchik, Abraham – G9 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 c6 5. b3 Be7 6. O-O O-O 7. Bb2 Nbd7 8. d4 b6 9. Nc3 Ba6 10. Nd2 Rc8
1945 Moskou ch-URS – Round 1 – Chekhover, Vitaly – 1/2-1/2 – Bondarevsky, Igor – G6 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 Nbd7 7. b3 c6 8. Bb2 b6 9. Nbd2 Bb7 10. cxd5 cxd5
1948 Moskou ch-URS – Round 1 – Keres Paul Petrovich – 1-0 – Ragozin, Viacheslav – G1 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. Rc1 Rc8
1948 URS-ch16 – Round 16 – Keres, Paul – 0-1 – Ragozin, Viacheslav – G14 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. c4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. Rc1 Rc8
1949 HUN-NLD – Round ? – Bakonyi, Elek – 1-0 – Henneberke, Frans – G1 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Nbd7 5. b3 c6 6. O-O Be7 7. Bb2 O-O 8. d4 Ne4 9. Nfd2 f5 10. Nxe4 dxe4
1949 Trencianske Teplice – Round 6 – Richter, Edgar – 0-1 – Rohacek, Ivan – G36 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. b3 Nbd7 6. O-O Be7 7. Bb2 O-O 8. d4 b6 9. Ne5 Nxe5 10. dxe5 Nd7
1950 Amsterdam ch-NED – Round 11 – Cortlever, Nico – 1-0 – Orbaan, Constant – G47 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. b3 O-O 6. Bb2 Nbd7 7. c4 c6 8. d4 Qb6 9. Nbd2 Rd8 10. Qc2 Bf8
1951 YUG Ch 7th – Round 14 – Fuderer, Andrija – 1/2-1/2 – Germek, Milan – G114 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7 7. b3 c6 8. Bb2 b6 9. Nc3 Bb7 10. Qc2 Rc8
1952 URS ch sf – Round 9 – Koblencs, Alexander – 1/2-1/2 – Nikitin, Aleksander S – G54 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. d4 Be7 5. Nf3 O-O 6. O-O c6 7. b3 Nbd7 8. Bb2 b5 9. c5 b4 10. a3 bxa3
1953 Candidats Tournament – Round 22 – Keres, Paul Petrovich – 1/2-1/2 – Kotov, Alexander A – G144 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. Rc1 Rc8
1953 CSR Ch – Round 4.7 – Filip, Miroslav – 1/2-1/2 – Podgorny, Jiri – G3 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. Rc1 Rc8
1956 Hoogovens – Round 9 – Kramer, Hanspeter – 1/2-1/2 – Orbaan, Constant – G36 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. d4 b6 9. Nbd2 Bb7 10. e3 Rc8
1956 Moscow olm fin-A – Round 1 – Panno, Oscar – 1/2-1/2 – Ivkov, Borislav – G2 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nc3 Ba6 10. Nd2 Rc8
1956 Olympiad, Moscow RUS – Round 4 – Smyslov, Vladimir – 1-0 – Sliwa, Bogdan – G10 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. e3 Rc8
1956 URS Ch sf – Round ? – Ragozin, Viacheslav – 1-0 – Neishtadt, Yakov – G138 1. Nf3 Nf6 2. g3 e6 3. c4 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nc3 Bb7 10. e3 Rc8
1957 Leningrad Ch – Round 19 – Taimanov, Mark E – 1/2-1/2 – Estrin, Yakov – G140 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Nbd7 5. b3 Be7 6. O-O O-O 7. Bb2 c6 8. d4 b6 9. Nbd2 Bb7 10. e3 Rc8
1957 Wenen etc – Round 1 – Heinicke, Herbert – 1/2-1/2 – Karaklajic, Nikola – G4 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c6 5. b3 Nbd7 6. Bb2 Be7 7. O-O O-O 8. d4 b6 9. Nc3 Bb7 10. Ne5 Rc8
1959 CSR Ch – Round 15 – Pachman, Ludek – 1/2-1/2 – Blatny, Frantisek – G117 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Be7 6. O-O O-O 7. b3 Nbd7 8. Bb2 b6 9. e3 Ba6 10. Qe2 Rc8
1959 Krakow – Round 5 – Kozma, Julius – 0-1 – Sliwa, Bogdan – G18 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. e3 Bb7 10. Nbd2 a5
1959 URS-ch26 – Round 5 – Gurgenidze, Bukhuti – 1/2-1/2 – Nikitin, Aleksander S – G5 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Ba6 10. Rc1 Rc8
1960 It Bad Salzungen GER – Round 1 – Lengyel, Levente – 1-0 – Bertholdt, Dieter – G4 1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. O-O Be7 5. c4 O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b5 9. Ne5 Qb6 10. c5 Qc7
1960 UKR Ch – Round 7 – Levitsky, Anatoly – 1-0 – Kostiuchenko, Alexander – G38 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 c6 5. b3 Nbd7 6. O-O Be7 7. Bb2 O-O 8. d4 Ne4 9. Ne1 f5 10. f3 Nef6
1961 Mar del Plata KIM – Round 1 – Goldenberg, Edgardo – 1-0 – Acabezon Serra, Keltoi – G2 1. c4 c6 2. Nf3 Nf6 3. g3 d5 4. b3 e6 5. Bg2 Be7 6. O-O O-O 7. Bb2 Nbd7 8. d4 b6 9. Nc3 Ba6 10. Nd2 Rc8
1961 Oberhausen etc – Round 1 – Filip, Marius Liviu – 1/2-1/2 – Trifunovic, Petar – G2 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. Rc1 Rc8
1961 Oberhausen etc – Round 2 – Filip, Marius Liviu – 0-1 – Darga, Klaus – G59 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 a5 9. Nc3 b6 10. Rc1 Ba6
1961 ROM Ch – Round 8 – Soos, Bela – 0-1 – Radulescu, Mihai – G48 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O Nbd7 6. b3 O-O 7. d4 c6 8. Bb2 b6 9. Nbd2 Bb7 10. e3 Rc8
1961 Rostov on Don – Round 3 – Bobekov, Radko – 1/2-1/2 – Liebert, Heinz – G7 1. Nf3 e6 2. g3 Nf6 3. Bg2 Be7 4. O-O O-O 5. c4 c6 6. b3 d5 7. Bb2 Nbd7 8. d4 b6 9. Nc3 Bb7 10. Rc1 Rc8
1964 Capablanca Memorial – Round 3 – Udovcic, Mijo – 1/2-1/2 – Acevedo Ortega, Rodrigo Andres – G39 1. Nf3 d5 2. d4 Nf6 3. g3 Nbd7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. b3 c6 8. Bb2 Ne4 9. Nbd2 f5 10. e3 Rf6
1964 WchT U26 11. fin-A – Round 10.2 – Kavalek, Lubomir – 1-0 – Neukirch, Detlef – G173 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. d4 b6 9. Nbd2 Bb7 10. Rc1 Rc8
1966 Zinnowitz Zinnowitz GER – Round 4 – Gromek, Jozef – 1-0 – Hennings, Artur – G10 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. d4 b6 9. Nbd2 Bb7 10. e3 b5
1967 It II Beverwijk NED – Round 4 – Ujtelky, Maximilian – 1/2-1/2 – Sandor, Bela – G5 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b5 9. c5 a5 10. Qc2 b4
1968 Manila – Round 11 – Naranja, Renato – 1-0 – Estimo, Nilo – G19 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 Ne4 9. Qc2 f5 10. Ne1 Bd6
1968 Moscow UM – Round ? – Zaitsev, Alexander – 1-0 – Estrin, Yakov – G5 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Nbd7 5. b3 Be7 6. O-O O-O 7. Bb2 c6 8. d4 b6 9. Nc3 Bb7 10. Qc2 Rc8
1970 IBM – Round 5 – Spassky, Boris V. – 1-0 – Ciric, Dimitrije – G33 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. Rc1 Rc8

E07j — Closed (1925)

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.b3 c6 8.Bb2

Les coups candidats

8…b6 — 55.4% (729 parties)

Ambassadeurs : Filip, Miroslav (3x), Amigo Roman, Pedro (3x), Coicev, Matei-Andrei (3x), Sullivan, Daniel (3x), Estrin, Yakov (2x), Kramer, Haije (2x), Ciric, Dragoljub M (2x), Rapaka Samuel Paul (2x)

8…Ne4 — 19.4% (255 parties)

Ambassadeurs : Lieb, Harald (2x), Schuchardt, Guenter (2x), Hever, Miklos (2x), Orso, Janos (2x), Beaudry, Marc-Andre (2x), Savon, Vladimir (1x), Kolbak, Jens (1x), Naranja, Renato (1x)

8…Re8 — 7.7% (101 parties)

Ambassadeurs : Weyerstrass, Ronald (1x), De Wit, Wim (1x), Abid, Fedi (1x), Cecconi, Edoardo (1x), Loftus, Sean (1x), Zipko, Gerhard (1x), Gereben, Erno (1x), Poorbeik, M (1x)

8…b5 — 4.6% (61 parties)

Ambassadeurs : Roeber, Bjoern (2x), Lengyel, Levente (1x), Bertholdt, Dieter (1x), Szilagyi, Gyorgy Laszlo (1x), Berger, Bela (1x), Koblencs, Alexander (1x), Nikitin, Aleksander S (1x), Ujtelky, Maximilian (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…b6	8…Ne4	8…Re8	8…b5
<1800	114	49%	13%	14%	2%
1800-2200	707	51%	24%	8%	3%
2200-2600	312	73%	12%	2%	8%
2600+	2	50%	—	—	50%

Évolution par décennie (% des parties)

Décennie	N parties	8…b6	8…Ne4	8…Re8	8…b5
1950s	26	73%	8%	—	12%
1960s	22	59%	23%	—	9%
1970s	37	73%	5%	5%	11%
1980s	54	63%	15%	11%	2%
1990s	195	47%	21%	12%	7%
2000s	338	50%	21%	7%	4%
2010s	506	56%	21%	8%	3%
2020s	139	68%	14%	4%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…b6	56%	68%	▲ +12.1%
8…Ne4	21%	14%	▼ -7.5%
8…Re8	8%	4%	▼ -3.4%
8…b5	3%	6%	▲ +3.5%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

8…b6 — 55.4% (729 parties)

1950 — Tsvetkov, Alexandar K vs Popov, Vesselin — 1/2-1/2 — Sofia BUL
1950 — Cortlever, Nico vs Rabar, Bakhtyar Hamasaleh — 1/2-1/2 — Dubrovnik olm
1951 — Fuderer, Andrija vs Germek, Milan — 1/2-1/2 — Sarajevo BIH
1953 — Filip, Miroslav vs Podgorny, Jiri — 1/2-1/2 — Prague CZE
1953 — Roethel, Michel vs Pinson Henri — 0-1 — Paris FRA

8…Ne4 — 19.4% (255 parties)

1953 — Hemingway, TK. vs Russ, VJ. — 1/2-1/2 — Hastings ch-BCF
1957 — Kaikamdzozov, Jivko vs Tsvetkov, Alexandar K — 1/2-1/2 — Sofia BUL
1960 — Levitsky, SV. vs Alexander, Ken R D — 1-0 — Kiev UKR
1964 — Savon, Vladimir vs Kolbak, Jens — 1-0 — Krakow POL
1964 — Udovcic, Mijo vs Ortega, Rogelio — 1/2-1/2 — Havana CUB

8…Re8 — 7.7% (101 parties)

1974 — Harestad, Thor Geir vs Takemoto, Hiroshi — 1/2-1/2 — Teesside ENG
1979 — Sekulic, Dusan vs Chaleyrat, Robert — 1-0 — Biel SUI
1982 — Chilingirova, Pavlina vs Inbar, A. — 1-0 — Lucerne SUI
1985 — Kropff, Ricardo vs Ramirez Vasquez, Denisse — 1-0 — Asuncion PAR
1986 — Gereben, Erno vs Poorbeik, M — 1-0 — Thun SM

8…b5 — 4.6% (61 parties)

1952 — Koblencs, Alexander vs Nikitin, Aleksander S — 1/2-1/2 — Riga LAT
1953 — Szilagyi, Gyorgy Laszlo vs Berger, Bela — 1/2-1/2 — Budapest ch-HUN
1958 — Bak, Istvan vs Szily, Jozsef — 1/2-1/2 — CsB
1960 — Lengyel, Levente vs Bertholdt, Dieter — 1-0 — It Bad Salzungen GER
1967 — Ujtelky, Maximilian vs Sandor, Bela — 1/2-1/2 — It II Beverwijk NED

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