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 semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte f4, Be2 actif, paire de fous, colonne d.
Faiblesses adverses : arriéré b7, Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé.
Plans :
● Bg5 — Clouer Nf6
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte c5, avant-poste c5(C), paire de fous, colonne c.
Faiblesses adverses : Bc1 enfermé.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, arriéré b7, 4 pièces non développées (C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● b6+Bb7 — PRIORITÉ: libérer le Bc8 (b6+Bb7, ...Bf5)
● ...Be7 — Développer Bf8
● ...d5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B84n — Scheveningen Classical

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

Eval: [+0.56]

Les coups candidats

8…b5 — 73.3% (493 parties)

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

8…Qc7 — 19.0% (128 parties)

Ambassadeurs : Boensch, Uwe (3x), Mirumian, Vigen (3x), Ibrayev, Nurlan (3x), Matikozian, Andranik (2x), Valenti, Giuseppe (2x), Barcsi, Judit Dr. (2x), Adamowicz, Katarzyna (2x), Kostov, Kiril (2x)

8…Be7 — 6.8% (46 parties)

Ambassadeurs : Panov, Vasily (2x), Riumin, Nikolai (1x), Grigoriev, Nikolai (1x), Desler, A. (1x), Pedersen, Hans (1x), Smyslov, Vladimir (1x), Acosta Garcia, Rafael Isaac (1x), Makarichev, Sergey (1x)

8…b6 — 0.4% (3 parties)

Ambassadeurs : Michel, Paul (1x), Reinhardt, Enrique (1x), 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	7	57%	29%	14%	—
1800-2200	168	61%	29%	10%	—
2200-2600	327	83%	13%	3%	0%
2600+	4	75%	25%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8…b5	8…Qc7	8…Be7	8…b6
1920s	4	50%	—	50%	—
1930s	5	60%	—	20%	20%
1940s	1	—	100%	—	—
1950s	8	50%	12%	38%	—
1960s	58	69%	21%	10%	—
1970s	48	83%	12%	4%	—
1980s	52	87%	10%	4%	—
1990s	128	78%	15%	6%	—
2000s	188	71%	23%	5%	1%
2010s	169	70%	21%	8%	1%
2020s	12	67%	33%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…b5	70%	67%	▼ -3.2%
8…Qc7	21%	33%	▲ +12.0%
8…Be7	8%	0%	▼ -7.7%
8…b6	1%	0%	▼ -0.6%

Joueurs célèbres

Champions du monde dans cette position

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

Parties historiques

8…b5 — 73.3% (493 parties)

1922 — Znosko-Borovsky, Eugene vs Rubinstein, Akiba — 1/2-1/2 — Londen
1926 — Chinthamalla Stalin vs Jeschow — 1-0 — ?
1935 — Koch, Berthold vs Reinhardt, Enrique — 0-1 — Aachen GER
1935 — Richter, Kurt P vs Reinhardt, Enrique — 1-0 — Aachen GER
1937 — Herrmann, Ludwig vs Reinhardt, Enrique — 0-1 — Hamburg GER

8…Qc7 — 19.0% (128 parties)

1949 — Leonhardt, Guillaume vs Werner, Stephan — 0-1 — Buende
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, Michael — 1-0 — Baku AZE
1961 — Neshmedinow vs Tal, Mikhail — 1-0 — Baku AZE

8…Be7 — 6.8% (46 parties)

1929 — Panov, Vasily vs Riumin, Nikolai — 0-1 — Moscow RUS
1929 — Grigoriev, Nikolai vs Panov, Vasily — 1-0 — Moscow RUS
1930 — Desler, A. vs Pedersen, Hans — 1/2-1/2 — corr Bundes-ch
1952 — Nikitin, Aleksander S vs Nei, Iivo — 1-0 — Riga LAT
1952 — Vasconcelos, Fernando vs Engels, Ludwig — 0-1 — Rio de Janeiro BRA

8…b6 — 0.4% (3 parties)

1935 — Michel, Paul vs Reinhardt, Enrique — 1-0 — Aachen GER
2003 — Chatziapostolidis Efstratios vs Krimski, Eliezer — 0-1 — Mondariz ESP
2012 — Mrndjic, Muamer vs Hodzic, Nermin — 1/2-1/2 — Sarajevo BIH

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● b7
Chaînes	—	● b7→a6, f7→e6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0)	● 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	semi-ouvert
Ruptures	● e4-e5, ● f4-f5	● …d6-d5, ● …e6-e5

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

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