B84r — Sicilian: Scheveningen, Classical, 7.O-O Qc7 8.a4 Nc6

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.a4 Nc6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Be3 (Fou actif (mobilité 5), Développer c1 — 73 % des parties) ; Kh1 (15 % des parties) ; Nb3 (7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Be7 (Développer f8 — 84 % des parties) ; ...b6 (Préparer le fianchetto — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

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	—	● e5 (2v0)
Cases faibles	—	—
Centre	—	● e5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be2	● Be2 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 1)
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	● …d6-d5

Partie
1940 Moskou ch-URS – Round 1 – Botvinnik, Mikhail – 1-0 – Konstantinopolsky, Alexander – G70 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. a4 Nc6 8. O-O Qc7 9. Nb3 b6 10. f4 Bb7
1941 Krakow – Round 2 – Bogoljubow, Efim – 1/2-1/2 – Junge, Klaus – G6 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Nc6 8. O-O Qc7 9. Kh1 Be7 10. f4 Bd7
1941 Munchen – Round 8 – Cortlever, Nico – 1-0 – Leepin, Peter – G63 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. a4 Nc6 9. Nb3 Be7 10. f4 Na5
1943 BRA Ch m – Round 9 – Charlier, Antoine – 1/2-1/2 – De Souza Mendes, Joao – G9 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Qc7 8. O-O Nc6 9. Kh1 Be7 10. f4 Bd7
1943 Prague – Round 2 – Fichtl, Jiri – 0-1 – Pachman, Ludek – G15 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Nc6 8. O-O Qc7 9. Kh1 Be7 10. f4 Bd7
1949 HUN-NLD – Round ? – Cortlever, Nico – 1/2-1/2 – Barcza, Gedeon – G8 1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e6 7. O-O a6 8. a4 Qc7 9. Nb3 b6 10. f4 Be7
1949 Moskou ch-URS – Round 12 – Liublinsky, Victor – 0-1 – Kotov, Alexander. – G157 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. a4 Nc6 9. Nb3 b6 10. f4 Be7
1951 Mar del Plata zt – Round 13 – De Souza Mendes, Joao – 0-1 – Reinhardt, Enrique – G130 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. a4 Nc6 9. Be3 Be7 10. Nb3 Bd7
1958 Munich olm fin-A – Round 6 – Unzicker, Wolfgang – 1-0 – Pachman, Ludek – G35 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Qc7 8. a4 Nc6 9. Be3 Be7 10. Nb3 b6
1961 Zuerich – Round 3 – Bhend, Edwin – 0-1 – Petrosian, Tigran A. – G15 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7 8. a4 Nc6 9. Kh1 Be7 10. f4 O-O

B84r — Scheveningen, Classical (1940)

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.a4 Nc6

Les coups candidats

9.Be3 — 72.7% (208 parties)

Ambassadeurs : Jansa, Vlastimil (2x), Cvitan, Ognjen (2x), Theissen, Henning (2x), Bosboom, Manuel (2x), Sikula, Vaszilij (2x), Gungl, Theo (2x), Porreca, Giorgio (1x), Nestler, Vincenzo (1x)

9.Kh1 — 15.0% (43 parties)

Ambassadeurs : Bhend, Edwin (1x), Petrosian, Tigran V. (1x), Bokhosian, Sarkis (1x), Tringov, Georgi P (1x), Matanovic, Aleksandar (1x), Rogoff, Kenneth (1x), Hartoch, Robert G (1x), Condie, Mark L (1x)

9.Nb3 — 7.3% (21 parties)

Ambassadeurs : Napolitano, Mario (2x), Nielsen, Julius (1x), Janosevic, Dragoljub (1x), Durao, Joaquim (1x), Gervasi, Giancarlo (1x), Nestler, Vincenzo (1x), Ermenkov, Evgenij (1x), Adamski, Jan (1x)

9.Nxc6 — 2.4% (7 parties)

Ambassadeurs : Kaspers, W. (1x), Nauryzgaliev, Amangeldy (1x), Efimenko, Zahar (1x), Donchenko, Alexander (1x), Litsas, Ioannis (1x), Petr, Martin (1x), Roorda, Thijs (1x), Lupor, Andre (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Be3	9.Kh1	9.Nb3	9.Nxc6
<1800	5	60%	20%	20%	—
1800-2200	93	73%	13%	6%	4%
2200-2600	162	75%	17%	7%	1%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Be3	9.Kh1	9.Nb3	9.Nxc6
1950s	5	80%	—	20%	—
1960s	1	—	100%	—	—
1970s	17	65%	12%	24%	—
1980s	14	86%	7%	7%	—
1990s	70	79%	11%	7%	1%
2000s	79	70%	19%	8%	—
2010s	96	70%	17%	4%	6%
2020s	4	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Be3	70%	100%	▲ +30.2%
9.Kh1	17%	0%	▼ -16.7%
9.Nb3	4%	0%	▼ -4.2%
9.Nxc6	6%	0%	▼ -6.2%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie

Parties historiques

9.Be3 — 72.7% (208 parties)

1950 — Porreca, Giorgio vs Nestler, Vincenzo — 1-0 — Venice ITA
1951 — De Souza Mendes, Joao vs Reinhardt, Enrique — 0-1 — Mar del Plata ARG
1958 — Unzicker, Ferdinand, Dr. vs Pachman, Ludek — 1-0 — Munchen olm
1958 — Albareda, Miguel vs Ribera Arnal, Angel — 1/2-1/2 — Catalunya
1972 — Aadhitha Karikalan vs Platonov, Igor — 0-1 — Cienfuegos City CUB

9.Kh1 — 15.0% (43 parties)

1961 — Bhend, Edwin vs Petrosian, Tigran V. — 0-1 — Zurich SUI
1976 — Matanovic, Aleksandar vs Rogoff, Kenneth — 1/2-1/2 — ?
1977 — Bokhosian, Sarkis vs Tringov, Georgi P — 0-1 — Sofia ch-BUL
1984 — Hartoch, Robert G vs Condie, Mark L — 1-0 — Oxford ENG
1992 — Cladouras, Panagiotis vs Boensch, Uwe — 1-0 — Berlin GER

9.Nb3 — 7.3% (21 parties)

1954 — Nielsen, Julius vs Napolitano, Mario — 1-0 — ?
1972 — Ermenkov, Evgenij vs Adamski, Jan — 0-1 — Varna Varna BUL
1972 — Fries-Nielsen, Jens Ove vs Napolitano, Mario — 1-0 — Corr corr.
1973 — Janosevic, Dragoljub vs Durao, Joaquim — 1-0 — Orense
1976 — Gervasi, Giancarlo vs Nestler, Vincenzo — 1-0 — Rome ITA

9.Nxc6 — 2.4% (7 parties)

1996 — Kaspers, W. vs Nauryzgaliev, Amangeldy — 0-1 — Rotterdam NED
2010 — Shakenov, Yerzhan vs Ismailov, Mukhit — 1-0 — Maralsay
2011 — Litsas, Ioannis vs Petr, Martin — 1/2-1/2 — Eretria GRE
2013 — Efimenko, Zahar vs Donchenko, Alexander — 0-1 — Legnica POL
2014 — Roorda, Thijs vs Lupor, Andre — 0-1 — Leiden NED