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 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), 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
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bf5)
● ...Be7 — Développer Bf8
● ...d5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B84s — 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.f4 Nc6

Eval: [+0.36]

Les coups candidats

9.Be3 — 73.5% (321 parties)

Ambassadeurs : Kotov Lundqvist, Alex (8x), Boleslavsky, Isaac (4x), Vukovic, Sava (4x), Kotov, Alexander (4x), Gligorić, Svetozar (3x), Najdorf, Miguel (3x), Pirc, Vasja (3x), Janosevic, Dragoljub (3x)

9.Kh1 — 19.2% (84 parties)

Ambassadeurs : Kotov Lundqvist, Alex (4x), Rautenberg, Wilhelm (2x), Najdorf, Miguel (2x), Pirc, Vasja (2x), Cobo Arteaga, Eldis (2x), Donchev, Dimitar I. (2x), Herrmann, Hans, Dr. (1x), Kashdan, Isaac (1x)

9.Nb3 — 3.9% (17 parties)

Ambassadeurs : Bidev, Pavle (1x), Tot, Bora (1x), Luckis (1x), Cruz Garibaldi, Milton Esteban (1x), Furlani, Ljudmil (1x), Pirc, Vasja (1x), Leal Napolitano, Yosman Jose (1x), Pirc Salamon, Hubert (1x)

9.Bf3 — 0.9% (4 parties)

Ambassadeurs : Martin, Raymond (1x), Rubin, Gene (1x), Patt Rubinstein, J. (1x), Corte, Cesar J (1x), Mauba, Solomon (1x), Mills, Robert (1x), Marechal, Georges (1x), Hopman, Pieter (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Be3	9.Kh1	9.Nb3	9.Bf3
<1800	6	33%	33%	17%	—
1800-2200	82	63%	26%	4%	—
2200-2600	188	78%	19%	2%	—
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Be3	9.Kh1	9.Nb3	9.Bf3
1920s	1	—	100%	—	—
1930s	5	20%	60%	20%	—
1940s	31	45%	42%	6%	6%
1950s	40	90%	5%	5%	—
1960s	22	82%	5%	14%	—
1970s	39	87%	13%	—	—
1980s	40	72%	25%	2%	—
1990s	77	71%	22%	1%	3%
2000s	100	77%	13%	4%	—
2010s	75	69%	23%	4%	—
2020s	7	71%	29%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Be3	69%	71%	▲ +2.1%
9.Kh1	23%	29%	▲ +5.9%
9.Nb3	4%	0%	▼ -4.0%
9.Bf3	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 2 parties
Karpov, Anatoly — 1 partie
Karpov, Aleksandr — 1 partie
Tal, Mikhail — 1 partie

Parties historiques

9.Be3 — 73.5% (321 parties)

1938 — Richter, Kurt vs Reinhardt, Heinrich — 1/2-1/2 — Bad Oeynhausen GER
1941 — Kan, Ilya A vs Goldenov, Boris P — 1-0 — Rostov on Don
1946 — Gligorić, Svetozar vs Najdorf, Miguel — 1-0 — Prague CZE
1947 — Boleslavsky, Isaac vs Kotov, Alexander — 1/2-1/2 — ?
1947 — Boleslavsky, Isaac vs Kotov Lundqvist, Alex — 1/2-1/2 — Moscow RUS

9.Kh1 — 19.2% (84 parties)

1927 — Leonhardt, Paul vs Hilse, Wilhelm H — 1/2-1/2 — Magdeburg GER
1934 — Joyeux Steiner, Gael vs Pirc, Vasja — 0-1 — Ujpest
1935 — Michel, Paul vs Boeck, Alfred — 1-0 — Saarbruecken
1938 — Asztalos, Lajos vs Steiner, Lajos — 1-0 — Ljubljana
1940 — Boleslavsky, Isaac vs Kotov Lundqvist, Alex — 1-0 — Moskou ch-URS

9.Nb3 — 3.9% (17 parties)

1938 — Furlani, Ljudmil vs Pirc, Vasja — 1/2-1/2 — Ljubljana
1947 — Bidev, Pavle vs Tot, Bora — 1-0 — Ljubljana SLO
1947 — Luckis vs Cruz Garibaldi, Milton Esteban — 1-0 — Buenos Aires ch-ARG
1951 — Leal Napolitano, Yosman Jose vs Pirc Salamon, Hubert — 1/2-1/2 — Venice ITA
1953 — Heidenfeld, Wolfgang vs Schmid, Lothar — 0-1 — Venice ITA

9.Bf3 — 0.9% (4 parties)

1947 — Martin, Raymond vs Rubin, Gene — 1-0 — Hollywood, CA
1948 — Patt Rubinstein, J. vs Corte, Cesar J — 0-1 — Santa Fe
1993 — Marechal, Georges vs Hopman, Pieter — 0-1 — Huy
1998 — Mauba, Solomon vs Mills, Robert — 1-0 — ?

	♔ 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)	—
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	semi-ouvert
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

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