B84s — Sicilian: Scheveningen, Classical, 7.O-O Qc7 8.f4 Nc6

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.f4 Nc6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Be3 (Développer c1 — 76 % des parties) ; Kh1 (17 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Be7 (Développer f8 — 75 % des parties) ; ...Bd7 (Développer c8 — 19 % 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	—	—
Cases faibles	—	—
Centre	—	● 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. 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, ● f4-f5	● …d6-d5, ● …e6-e5

Partie
1934 Ujpest – Round 1 – Joyeux Steiner, Gael – 0-1 – Pirc, Vasja – G73 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Kh1 Be7 10. Bf3 Bd7
1938 Bad Oeynhausen – Round 9 – Richter, Kurt – 1/2-1/2 – Reinhardt, Heinrich – G55 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Be3 Bd7 10. Qe1 b5
1938 Ljubljana – Round 2 – Asztalos, Lajos – 1-0 – Steiner, Lajos – G25 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Kh1 Be7 10. Bf3 Bd7
1938 Ljubljana – Round 8 – Furlani, Ljudmil – 1/2-1/2 – Pirc, Vasja – G57 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Nb3 b5 10. Bf3 Bb7
1940 Moskou ch-URS – Round 1 – Boleslavsky, Isaac – 1-0 – Kotov Lundqvist, Alex – G68 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. O-O e6 8. f4 Nc6 9. Kh1 Be7 10. Be3 Bd7
1945 USA-URS radio-m – Round 1 – Kashdan, Isaac – 0-1 – Kotov Lundqvist, Alex – G5 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. O-O e6 8. f4 Nc6 9. Kh1 Be7 10. Bf3 O-O
1947 Mar del Plata – Round 10 – Luckis, Marcos – 0-1 – Najdorf, Miguel – G88 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Qc7 8. f4 Nc6 9. Kh1 Be7 10. Nb3 b5
1947 Mar del Plata – Round 9 – Pilnik, Herman – 1/2-1/2 – Najdorf, Miguel – G80 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Qc7 8. f4 Nc6 9. Kh1 Be7 10. Be3 Bd7
1947 Weidenau – Round 19 – Althoff, Franz – 0-1 – Kieninger, Georg – G26 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Kh1 Bd7 10. Be3 Be7
1947 Yugoslavia Ch – Round 15 – Bidev, Pavle – 1-0 – Tot, Bora – G76 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Qc7 8. f4 Nc6 9. Nb3 Bd7 10. Bf3 Rc8
1948 Essen – Round 1 – Rautenberg, Wilhelm – 1-0 – Herrmann, Hans, Dr. – G6 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 e6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Kh1 Be7 10. Bf3 Bd7
1948 GER Ch Essen GER – Round 5 – Rautenberg, Wilhelm – 1-0 – Schmid, Lothar – G9 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Kh1 Be7 10. Bf3 Bd7
1948 Santa Fe – Round ? – Patt Rubinstein, J. – 0-1 – Corte, Cesar J – G16 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 e6 9. Bf3 Bd7 10. Be3 Rc8
1949 Budapest-Moscow – Round 8 – Vajda, Arpad – 0-1 – Kotov Lundqvist, Alex – G57 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Qc7 8. f4 Nc6 9. Kh1 Be7 10. Bf3 Bd7
1949 Moskou ch-URS – Round 19 – Aronin, Lev – 1-0 – Kotov Lundqvist, Alex – G165 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Kh1 Be7 10. f5 O-O
1950 Venice – Round 5 – Rossolimo, Nicolas – 1/2-1/2 – Nestler, Vincenzo – G54 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Be3 Bd7 10. Qe1 b5
1951 YUG Ch 6th – Round 14 – Janosevic, Dragoljub – 1-0 – Bertok, Mario Jr. – G82 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Qc7 8. f4 Nc6 9. Be3 Bd7 10. Qe1 b5
1952 Helsinki olm – Round 1 – Cala, Ugo – 0-1 – Pirc, Vasja – G186 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Qc7 8. f4 Nc6 9. Kh1 Bd7 10. Be3 Be7
1953 GER Ch 15th – Round 6 – Fuchs, Reinhart – 1-0 – Hoffmann, Hans – G14 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Be3 Bd7 10. Qe1 Be7
1953 Venetie – Round 5 – Heidenfeld, Wolfgang – 0-1 – Schmid, Lothar – G8 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Nb3 b5 10. a3 Bb7
1957 New York ch-USA – Round 8 – Mednis, Edmar J – 0-1 – Denker, Arnold S – G47 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Be3 Bd7 10. Qe1 Nxd4
1963 Split ol women – Round 13 – Gresser, Gisela Kahn – 0-1 – Keller-Hermann, Edith – G44 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Nb3 b5 10. Bf3 Bb7
1964 HUN-YUG – Round 2.9 – Honfi, Karoly – 0-1 – Janosevic, Dragoljub – G15 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Qc7 8. f4 Nc6 9. Be3 Bd7 10. Qe1 b5
1965 Aalborg – Round 1 – Hamann, Svend – 1-0 – Kolbak, Jens – G58 1. Nf3 d6 2. e4 c5 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. f4 Qc7 8. O-O Nc6 9. Be3 Bd7 10. f5 e5
1967 Maribor – Round 13 – Robatsch, Karl – 1/2-1/2 – Musil, Vitezslav – G71 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Be2 d6 8. O-O Nf6 9. Nb3 Be7 10. Be3 O-O

B84s — Scheveningen, Classical (1934)

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.f4 Nc6

Les coups candidats

9.Be3 — 75.9% (305 parties)

Ambassadeurs : Kotov, Alexander (7x), Janosevic, Dragoljub (3x), Smyslov, Vasily (3x), Pirc, Vasja (3x), Bryntse, Arne (3x), Vukovic, Sava (3x), Schmid, Lothar (3x), Sasikiran, Krishnan (3x)

9.Kh1 — 17.2% (69 parties)

Ambassadeurs : Karpov, Anatoly (2x), Cobo Arteaga, Eldis (2x), Donchev, Dimitar I. (2x), Riemersma, Li (2x), Maier, Guenter (1x), Herrmann, Ludwig (1x), Janata, Michael (1x), Ignatiev, Felix N (1x)

9.Nb3 — 3.7% (15 parties)

Ambassadeurs : Heidenfeld, Wolfgang (1x), Schmid, Lothar (1x), Gresser, Gisela Kahn (1x), Keller-Hermann, Edith (1x), Robatsch, Karl (1x), Musil, Vitezslav (1x), Wanke, Rainer (1x), Schmaus, Alexandru (1x)

9.a4 — 0.7% (3 parties)

Ambassadeurs : Volokitin, Andrei (1x), Ganin, Maksim (1x), Bianchi, Guillaume (1x), Le Ruyet, Leopold (1x), Snetkov, Ivan (1x), Sampilov, Bazarjap (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Be3	9.Kh1	9.Nb3	9.a4
<1800	14	64%	14%	14%	—
1800-2200	92	63%	25%	3%	2%
2200-2600	189	78%	19%	2%	1%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Be3	9.Kh1	9.Nb3	9.a4
1950s	39	90%	5%	5%	—
1960s	22	82%	5%	14%	—
1970s	39	87%	13%	—	—
1980s	40	72%	25%	2%	—
1990s	77	71%	22%	1%	1%
2000s	100	77%	13%	4%	1%
2010s	75	69%	23%	4%	1%
2020s	10	50%	40%	10%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Be3	69%	50%	▼ -19.3%
9.Kh1	23%	40%	▲ +17.3%
9.Nb3	4%	10%	▲ +6.0%
9.a4	1%	0%	▼ -1.3%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 2 parties
Anand, Viswanathan — 1 partie
Tal, Mikhail — 1 partie

Parties historiques

9.Be3 — 75.9% (305 parties)

1950 — Smyslov, Vasily vs Kotov, Alexander — 1/2-1/2 — Budapest HUN
1950 — Smyslov, Vasily vs Kotov, Alexander — 1/2-1/2 — Budapest HUN
1950 — Rossolimo, Nicolas vs Nestler, Vincenzo — 1/2-1/2 — Venice ITA
1950 — Rossolimo, Nicolas vs Miguel, Nahuel — 1/2-1/2 — Amsterdam NED
1950 — Barden, Leonard vs Rossolimo, Nicolas — 0-1 — Hastings ENG

9.Kh1 — 17.2% (69 parties)

1952 — Aguayo, Cesar vs Pirc, Vasja — 0-1 — Helsinki olm
1953 — Maier, Guenter vs Herrmann, Ludwig — 1-0 — Leipzig GER
1966 — Janata, Michael vs Ignatiev, Felix N — 1/2-1/2 — Moscow RUS
1972 — Karpov, Anatoly vs Cobo Arteaga, Eldis — 1-0 — Skopje olm
1972 — Karpov, Anatoly vs Cobo Arteaga, Eldis — 1-0 — Skopje MKD

9.Nb3 — 3.7% (15 parties)

1951 — Napolitano, Christian vs Pirc, Dora — 1/2-1/2 — Venice ITA
1953 — Heidenfeld, Wolfgang vs Schmid, Lothar — 0-1 — Venetie
1963 — Gresser, Gisela Kahn vs Keller-Hermann, Edith — 0-1 — Split CRO
1967 — Robatsch, Karl vs Musil, Vitezslav — 1/2-1/2 — Maribor
1968 — Wanke, Rainer vs Schmaus, Alexandru — 0-1 — FRG-ch11 corr6871

9.a4 — 0.7% (3 parties)

1998 — Volokitin, Andrei vs Ganin, Maksim — 0-1 — Alushta UKR
2007 — Bianchi, Guillaume vs Le Ruyet, Leopold — 1-0 — Aix-les-Bains
2012 — Snetkov, Ivan vs Sampilov, Bazarjap — 1/2-1/2 — Ulan Ude RUS

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