B84j — Sicilian: Scheveningen, Classical, 7.O-O Qc7 8.a4

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.a4 * ● 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), 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, paire de fous, colonne c.
Faiblesses adverses : Bc1 enfermé.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, arriéré b7, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bf5)
● ...Nbd7 — Développer Nb8
● ...Be7 — Développer Bf8
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B84j — Scheveningen Classical

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

Eval: [+0.30]

Les coups candidats

8…b6 — 44.3% (429 parties)

Ambassadeurs : Podzielny, Karl-Heinz (4x), Dao, Thien Hai (4x), Hausner, Ivan (3x), Guido, Flavio (3x), Petrenko, Svetlana (3x), Wojtaszek, Radoslaw (3x), Fedorchuk, Sergey A. (3x), McClement, Andrew (3x)

8…Be7 — 28.8% (279 parties)

Ambassadeurs : Suba, Mihai (18x), Dervishi, Erald (4x), Dumitrescu, Dragos-Nicolae (3x), Ioseliani, Nana (3x), Zozulia, Anna (3x), Gruzmann, Boris (3x), Pedzich, Dominik (3x), Florian, Jaromir (2x)

8…Nc6 — 22.0% (213 parties) →

Ambassadeurs : Spirin, Oleg (5x), Gungl, Theo (5x), De Souza Mendes, Joao (3x), Fieberg, Samuel (3x), Soltanici, Ruslan (3x), Yanofsky, Daniel Abraham (2x), Kotov, Alexander (2x), Platonov, Igor V (2x)

8…Nbd7 — 3.9% (38 parties)

Ambassadeurs : Hantke Rolf (2x), Johner, Paul (1x), Fontein, George (1x), Kampmann, Heiko (1x), Salm, Maxwell (1x), Kellner, John Vincent (1x), Kampmann Lutz (1x), Seiffert Robert (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…b6	8…Be7	8…Nc6	8…Nbd7
<1800	14	29%	21%	36%	14%
1800-2200	283	52%	25%	18%	5%
2200-2600	505	42%	32%	24%	3%
2600+	9	44%	33%	22%	—

Évolution par décennie (% des parties)

Décennie	N parties	8…b6	8…Be7	8…Nc6	8…Nbd7
1920s	1	—	—	—	100%
1930s	9	67%	—	33%	—
1940s	27	37%	26%	33%	—
1950s	16	31%	19%	25%	25%
1960s	5	60%	20%	20%	—
1970s	26	15%	27%	50%	4%
1980s	64	39%	42%	14%	3%
1990s	199	33%	39%	25%	3%
2000s	314	50%	28%	17%	4%
2010s	287	49%	22%	25%	4%
2020s	20	65%	30%	5%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…b6	49%	65%	▲ +15.5%
8…Be7	22%	30%	▲ +8.0%
8…Nc6	25%	5%	▼ -19.7%
8…Nbd7	4%	0%	▼ -3.8%

Joueurs célèbres

Champions du monde dans cette position

Hou, Yifan — 4 parties

Parties historiques

8…b6 — 44.3% (429 parties)

1936 — Horowitz, Albert Israel vs Santasiere, Anthony — 1-0 — Philadelphia, PA USA
1937 — Larsson, Ernst vs Fine, Reuben — 0-1 — Goteborg SWE
1937 — Levenfish, Grigory vs Ragozin, Viacheslav — 0-1 — Tbilisi ch-URS
1938 — Kopaev, Nikolay A vs Alatortsev, Vladimir N. — 1-0 — Leningrad RUS
1939 — Adams, Weaver vs Green, Matthew R — 1/2-1/2 — New York, NY USA

8…Be7 — 28.8% (279 parties)

1941 — Cortlever, Nico vs Lundin, Erik — 1/2-1/2 — Munich GER
1942 — Unzicker, Ferdinand, Dr. vs Zimmetshauser — 1-0 — Munich GER
1943 — Florian, Jaromir vs Sajtar, Jaroslav — 1-0 — Prague CZE
1944 — Stulik, Vlastimil vs Pachman, Ludek — 1-0 — Brno ch CZE
1944 — Florian, Jaromir vs Sajtar, Jaroslav — 1-0 — Brno ch CZE

8…Nc6 — 22.0% (213 parties)

1936 — Riumin, Igor vs Konstantinopolsky, Alexander — 1-0 — Leningrad RUS
1937 — Vos, WH. vs Fine, Reuben — 1/2-1/2 — Amsterdam NED
1937 — Levenfish, Grigory vs Makogonov, Vladimir — 1-0 — Tbilisi ch-URS
1941 — Cortlever, Nico vs Leepin, Peter — 1-0 — Munich GER
1941 — Palme, Rudolf vs Junge, Klaus — 0-1 — GER-ch Bad Oeynhausen GER

8…Nbd7 — 3.9% (38 parties)

1923 — Johner, Paul vs Fontein, George — 1-0 — Scheveningen NED
1950 — Kampmann, Heiko vs Hantke Rolf — 1-0 — ?
1950 — Kampmann Lutz vs Hantke Rolf — 1-0 — Bielefeld
1953 — Seiffert Robert vs Buchholz Werner — 0-1 — Jena GER
1955 — Salm, Maxwell vs Kellner, John Vincent — 1/2-1/2 — Australia ch-4

	♔ 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	—	● c5 (2v0)
Cases faibles	—	—
Centre	● d4 (1v0)	● e5 (1v0)

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)	5 (b8, 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, ● f2-f3	● …d6-d5, ● …e6-e5

Partie
1923 Scheveningen – Round 6 – Johner, Paul – 1-0 – Fontein, George – G61 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Qc7 8. O-O Nbd7 9. Be3 b6 10. Bd3 Bb7
1937 Gothenburg m – Round 3 – Larsson, Ernst – 0-1 – Fine, Reuben – G8 1. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 e6 6. Be2 a6 7. a4 Qc7 8. O-O b6 9. f4 Bb7 10. Bf3 Be7
1937 Tbilisi ch-URS – Round 1 – Levenfish, Grigory – 0-1 – Ragozin, Viacheslav – G88 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7 8. a4 b6 9. Bg5 Nbd7 10. Bd3 Be7
1938 Trade Unions – Round 13 – Kopaev, Nikolay A – 1-0 – Alatortsev, Vladimir N. – G104 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Be2 e6 7. O-O Qc7 8. a4 b6 9. f4 Nbd7 10. Bf3 Bb7
1939 New York ch-ACF – Round 1 – Adams, Weaver – 1/2-1/2 – Green, Matthew R – G8 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Qc7 8. O-O b6 9. f4 Bb7 10. Bf3 Nbd7
1941 Munchen – Round 12 – Cortlever, Nico – 0-1 – Stoltz, Gabriel – G89 1. e4 c5 2. Nf3 e6 3. Be2 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 a6 7. O-O Qc7 8. a4 b6 9. f4 Bb7 10. Bf3 Nbd7
1941 Munchen – Round 2 – Cortlever, Nico – 1/2-1/2 – Lundin, Erik – G27 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. a4 Be7 9. f4 b6 10. Bf3 Bb7
1942 Munich – Round 1 – Unzicker, Ferdinand, Dr. – 1-0 – Zimmetshauser – G12 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Qc7 8. O-O Be7 9. Kh1 Nc6 10. f4 O-O
1943 Prague – Round 6 – Foltys, Jan – 1/2-1/2 – Lokvenc, Josef – G48 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Qc7 8. O-O b6 9. f4 Bb7 10. Bf3 Nc6
1943 Prague – Round 9 – Florian, Jaromir – 1-0 – Sajtar, Jaroslav – G74 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. a4 Be7 9. Be3 Nc6 10. f4 Na5
1944 Brno ch CZE – Round 5 – Stulik, Vlastimil – 1-0 – Pachman, Ludek – G7 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Qc7 8. O-O Be7 9. Be3 Nc6 10. Qe1 O-O
1945 USSR ch sf – Round 15 – Ufimtsev, Anatoly – 0-1 – Kan, Ilya A – G26 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Qc7 8. O-O b6 9. f4 Bb7 10. Bf3 Nbd7
1948 CSR Ch – Round 4 – Louma, Josef – 0-1 – Ujtelky, Maximilian – G3 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. a4 b6 9. f4 Bb7 10. Bf3 Nbd7
1948 GER Ch 12th – Round 15 – Czaya, Richard – 1/2-1/2 – Kieninger, Georg – G18 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Qc7 8. O-O b6 9. f4 Bb7 10. Bf3 Nbd7
1950 OWL Ch – Round 10 – Kampmann Lutz – 1-0 – Hantke Rolf – G26 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. a4 Qc7 8. O-O Nbd7 9. f4 b6 10. Be3 Be7
1951 DDR Ch – Round 15 – Kirchhammer – 1-0 – Elstner, Rudolf – G37 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Qc7 8. O-O b6 9. f4 Bb7 10. Bf3 Nbd7
1951 GER Ch 14th – Round 10 – Gilg, Karl – 1-0 – Koch, Berthold – G33 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Qc7 8. O-O Be7 9. Kh1 O-O 10. f4 b6
1959 FRG Team Ch fin – Round 3.1 – Czaya, Richard – 1/2-1/2 – Kieninger, Georg – G10 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Qc7 8. O-O b6 9. Re1 Bb7 10. Bf1 Nbd7
1959 York ch-BCF – Round 8 – Aitken, James – 0-1 – Golombek, Harry – G95 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Qc7 8. O-O Be7 9. f4 Nc6 10. Nb3 Bd7
1960 Paignton Premier 10th – Round 2 – Mabbs, David J – 1-0 – Ritson-Morry, William – G8 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Qc7 8. O-O b6 9. f4 Bb7 10. Bf3 Nbd7
1961 FRG Ch – Round 15 – Kestler, Hans-Guenther – 1-0 – Bialas, Wolfram – G16 1. e4 c5 2. d4 cxd4 3. Nf3 e6 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. a4 b6 9. f4 Bb7 10. Bf3 Be7
1961 URS Ch sf – Round ? – Press, Grigory – 0-1 – Nei, Iivo – G20 1. e4 c5 2. Nc3 e6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 a6 7. O-O Qc7 8. a4 b6 9. f4 Bb7 10. Bd3 Nbd7

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