Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→a6, f7→e6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● c5 (2v0)
Cases faibles	—	—
Centre	● d4 (1v0)	● e5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Be2	● Be2 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (● 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	mobile
Ruptures	● e4-e5, ● f4-f5	● …d6-d5, ● …e6-e5

B84n — Sicilian: Scheveningen, Classical, 7.O-O Nbd7 8.f4

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Nbd7 8.f4 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bf3 (70 % des parties) ; a3 (Préparer expansion aile dame — 14 % des parties) ; Kh1 (6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...b5 (Expansion aile dame — 73 % des parties) ; ...Qc7 (Prépare O-O-O — 19 % des parties) ; ...Be7 (Développer f8 — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1922 Londen – Round 8 – Znosko-Borovsky, Eugene – 1/2-1/2 – Rubinstein, Akiba – G29 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. e5 Bxf3
1935 GER Ch 3rd – Round 11 – Richter, Kurt P – 1-0 – Reinhardt, Enrique – G16 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. Re1 Rc8
1949 OWL Ch – Round 7 – Leonhardt, Guillaume – 0-1 – Werner, Stephan – G7 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e6 6. Be2 Nbd7 7. O-O a6 8. f4 Qc7 9. h3 b5 10. a3 Bb7
1950 BCF Ch 37th – Round 1 – Milner Barry, Philip – 1-0 – Bowen, Alfred William – G4 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. a3 Qc7
1951 Oxford – Round 3 – Heidenfeld, Wolfgang – 0-1 – Fairhurst, William – G5 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Nbd7 7. f4 a6 8. O-O Qc7 9. a4 b6 10. Bf3 Bb7
1952 Rio de Janeiro – Round 11 – Vasconcelos, Fernando – 0-1 – Engels, Ludwig – G62 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Nbd7 7. Be2 e6 8. O-O Be7 9. Be3 O-O 10. Qe1 Qc7
1952 URS ch sf – Round 3 – Nikitin, Aleksander S – 1-0 – Nei, Iivo – G19 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Nbd7 7. Be2 e6 8. O-O Be7 9. Kh1 Qc7 10. Bf3 O-O
1954 Munich zt – Round 5 – Castaldi, Vincenzo – 0-1 – Bhend, Edwin – G30 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Nbd7 7. Be2 e6 8. O-O Be7 9. Bf3 Qc7 10. Kh1 O-O
1959 Alekhine Memorial – Round 1 – Aronin, Lev – 1/2-1/2 – Smyslov, Vladimir – G3 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. a3 Rc8
1959 Candidats Tournament – Round 22 – Tal, Mikhail – 1-0 – Smyslov, Vladimir – G82 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. a3 Qc7
1960 Budapest zt – Round 2 – Kostro, Jerzy – 0-1 – Clarke, Peter H – G16 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. e5 Bxf3
1960 Buenos Aires – Round 6 – Aguilera Bazan, Oscar – 0-1 – Olafsson, Fridrik – G74 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Nbd7 8. f4 b5 9. a3 Bb7 10. Bd3 Be7
1961 Bled – Round 2 – Geller, Efim P – 1/2-1/2 – Najdorf, Miguel – G29 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 8. f4 Qc7 9. Bf3 Be7 10. Kh1 Nf8
1961 FRG Ch – Round 8 – Unzicker, Wolfgang – 1-0 – Kohl, Andreas – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. e5 Bxf3
1961 Oberhausen etc – Round 6 – Unzicker, Wolfgang – 1-0 – Gligorić, Svetozar – G157 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Nbd7 8. f4 Qc7 9. Bf3 Be7 10. Kh1 O-O
1962 Paris 6263 – Round ? – Scherbakoff, Georges – 1-0 – Huguet, Bernard – G13 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 8. f4 Qc7 9. Bf3 Be7 10. Kh1 O-O
1962 Paris FRA – Round ? – Kottnauer, Cenek – 1-0 – Huguet, Bernard – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. a3 Be7
1963 Alekhine Memorial – Round 7 – Gligorić, Svetozar – 1-0 – Simagin, Vladimir – G46 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. e5 Bxf3
1963 Moscow RUS – Round ? – Bannik, Anatolij – 1-0 – Simagin, Vladimir – G30 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. e5 Bxf3
1964 Buenos Aires – Round 2 – Rubinetti, Jorge – 0-1 – Najdorf, Miguel – G23 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. f4 Nbd7 8. O-O b5 9. Bf3 Bb7 10. e5 Bxf3
1964 Reggio Emilia ITA – Round 3 – Damele, Maurizio – 0-1 – Bertok, Mario Jr. – G12 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 8. f4 Be7 9. Be3 Qc7 10. Qe1 O-O
1964 Tel Aviv olm fin-A – Round 11 – Smyslov, Vladimir – 1-0 – Acosta Garcia, Rafael Isaac – G238 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Nbd7 8. f4 Be7 9. Kh1 O-O 10. Qe1 Qc7
1965 Buenos Aires ch-ARG – Round 8 – San Martin Sanguinetti, Vicente – 1-0 – Acosta Garcia, Rafael Isaac – G57 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Nbd7 8. f4 Qc7 9. Bf3 Be7 10. Kh1 O-O
1965 Capablanca Memorial – Round 1 – Lehmann, Heinz – 0-1 – Fischer, Robert J – G6 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Nbd7 7. O-O e6 8. f4 b5 9. Bf3 Bb7 10. e5 Bxf3
1965 Corr SSV-75 – Round ? – Nilsson, Zandor – 1-0 – Baumgartner, Walter – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. e5 Bxf3
1965 Hoogovens – Round 8 – Lehmann, Heinz – 0-1 – Van den Berg, Cees – G65 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 8. f4 Qc7 9. Bf3 Be7 10. Qe1 O-O
1965 Novi Sad – Round 7 – Djurovic, Bojan – 1-0 – Ciric, Dragoljub M – G60 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. a3 Qc7
1966 Den Haag zt – Round 1 – Boey, Jin Huey – 1/2-1/2 – Tringov, Georgi P – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. e5 Bxf3
1967 Corr SWE/K – Round 1 – Johansson, Martin 1979 – 1-0 – Nordstrom, Eric – G7 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. e5 Bxf3
1968 Palma de Mallorca – Round 11 – Lehmann Garcia, Daniel William – 1-0 – Benko, Pal – G101 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. e5 Bxf3
43. Olympiad 2018 – Round 1.24 – Thilakarathne, G M H – 0-1 – Banikas, Hristos – G35 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. a3 Qc7
Dortmund 1996 – Round 8 – Anand, Viswanathan – 1-0 – Polgar, Judit – G27 1. e4 c5 2. Nc3 d6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 e6 7. O-O Nbd7 8. f4 b5 9. Bf3 Bb7 10. e5 Bxf3

B84n — Scheveningen, Classical (1922)

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Nbd7 8.f4

Les coups candidats

8…b5 — 73.4% (492 parties)

Ambassadeurs : Bokros, Albert (8x), Dudas, Janos (7x), Klovans, Janis (6x), Agrest, Evgenij (5x), Tompa, Janos (5x), Stocek, Jiri (5x), Litynska, Marta (4x), Baumgartner, Walter (3x)

8…Qc7 — 19.4% (130 parties)

Ambassadeurs : Boensch, Uwe (3x), Mirumian, Vigen (3x), Tal, Mikhail (2x), Adamowicz, Katarzyna (2x), Georgescu, Vasile Sr (1x), Ciocaltea, Victor (1x), Nezhmetdinov, Rashit (1x), Neshmedinow (1x)

8…Be7 — 6.4% (43 parties)

Ambassadeurs : Castaldi, Vincenzo (1x), Bhend, Edwin (1x), Penrose, Jonathon (1x), Humerez Estrada, Cidar (1x), Smyslov, Vasily (1x), Garcia R., Luis Ernesto (1x), Makarichev, Sergey (1x), Kuyindzhi, Alexander A (1x)

8…b6 — 0.3% (2 parties)

Ambassadeurs : Chatziapostolidis, Efstratios (1x), Krimski, Eliezer (1x), Mrndjic, Muamer (1x), Hodzic, Nermin (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…b5	8…Qc7	8…Be7	8…b6
<1800	22	55%	32%	14%	—
1800-2200	200	62%	29%	9%	0%
2200-2600	320	84%	13%	2%	—
2600+	3	67%	33%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8…b5	8…Qc7	8…Be7	8…b6
1950s	7	43%	14%	43%	—
1960s	58	69%	21%	10%	—
1970s	49	84%	12%	4%	—
1980s	52	87%	10%	4%	—
1990s	129	78%	16%	6%	—
2000s	189	71%	23%	5%	1%
2010s	171	70%	22%	8%	1%
2020s	15	67%	33%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…b5	70%	67%	▼ -2.9%
8…Qc7	22%	33%	▲ +11.7%
8…Be7	8%	0%	▼ -7.6%
8…b6	1%	0%	▼ -0.6%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 3 parties
Kasparov, Garry — 2 parties
Anand, Viswanathan — 1 partie

Parties historiques

8…b5 — 73.4% (492 parties)

1950 — Milner Barry, Philip vs Bowen, Alfred William — 1-0 — Buxton
1959 — Tal, Mikhail vs Smyslov, Vasily — 1-0 — Bled/Zagreb/Belgrade
1959 — Aronin, Lev vs Smyslov, Vasily — 1/2-1/2 — Moscow RUS
1960 — Bazan, Osvaldo vs Olafsson, Fridrik — 0-1 — Buenos Aires ARG
1960 — Kostro, Jerzy vs Clarke, Peter — 0-1 — Budapest HUN

8…Qc7 — 19.4% (130 parties)

1951 — Heidenfeld, Wolfgang vs Fairhurst, William — 0-1 — Oxford ENG
1960 — Georgescu, Vasile Sr vs Ciocaltea, Victor — 0-1 — Bucharest ROU
1961 — Nezhmetdinov, Rashit vs Tal, Mikhail — 1-0 — Baku AZE
1961 — Neshmedinow vs Tal, Mikhail — 1-0 — Baku AZE
1961 — Unzicker, Ferdinand, Dr. vs Gligoric, Sofija — 1-0 — Oberhausen etc

8…Be7 — 6.4% (43 parties)

1952 — Nikitin, Aleksander S vs Nei, Iivo — 1-0 — Riga LAT
1952 — Vasconcelos, Fernando vs Engels, Ludwig — 0-1 — Rio de Janeiro BRA
1954 — Castaldi, Vincenzo vs Bhend, Edwin — 0-1 — Munich GER
1960 — Penrose, Jonathon vs Humerez Estrada, Cidar — 1-0 — Leipzig GER
1960 — Mohsen, Tamer vs Angles d'Auriac, Bernard — 1/2-1/2 — Leipzig GER

8…b6 — 0.3% (2 parties)

2003 — Chatziapostolidis, Efstratios vs Krimski, Eliezer — 0-1 — Mondariz ESP
2012 — Mrndjic, Muamer vs Hodzic, Nermin — 1/2-1/2 — Sarajevo BIH