B64a — Sicilian: Richter-Rauzer, 7.Qd2 Be7, 9.f4

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), la case forte b5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en e7 et c8.

En contrepartie. Plusieurs pièces dorment encore (le fou f1 et la tour h1).

Plans. Bd3 (Développer Bf1) ; Tour sur colonne d.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), la paire de fous et la colonne semi-ouverte c.

Côté adverse. Le fou enfermé en f1.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bf5)) ; ...d5 (Rupture) ; ...e5 (Rupture) ; Tour sur colonne c.

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (3v0)	—
Cases faibles	—	—
Centre	—	● e5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 5)
Bg5	● Bg5 Ok (mob. 3)
Be7		● Be7 Enfermé (mob. 0)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (f1, h1)	2 (c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e4-e5, ● f4-f5	● …d6-d5, ● …e6-e5

Partie
1937 Tbilisi ch-URS – Round 1 – Kasparian, Genrikh – 0-1 – Levenfish, Grigory – G81 1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Qa5 10. Nb3 Qb6
1941 New York State CA – Round 4 – Seidman, Herbert – 0-1 – Denker, Arnold S – G12 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. Be2 Bd7
1947 GER Ch 11th – Round 6 – Sahlmann, Walter – 1-0 – Ernst, Wilhelm – G9 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. Bxf6 gxf6
1948 New York – Round 1 – Platz, Joseph – 1-0 – Bernstein, Sidney – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Qa5 10. Nb3 Qb6
1952 Hagen – Round 6 – Lehmann, Heinz – 1/2-1/2 – Heinicke, Herbert – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. Nf3 Qa5
1954 Amsterdam olm – Round 1 – Kupper, Josef – 1/2-1/2 – Kelly, Terry – G115 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. Nf3 Qa5
1955 Budapest HUN – Round 1 – Keres, Paul – 1-0 – Szabo, Laszlo – G4 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. e5 dxe5
1955 Hastings5556 – Round 1 – Diez del Corral, Jesus – 0-1 – Korchnoi, Viktor – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1955 Hastings5556 – Round 8 – Diez del Corral, Jesus – 0-1 – Taimanov, Mark E – G37 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. Nb3 dxe4
1955 Manhattan CC Ch 5556 – Round 11 – Bisguier, Arthur B – 0-1 – Denker, Arnold S – G51 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. Kb1 Bd7
1955 Mar del Plata – Round 15 – De Greiff, B. – 0-1 – Szabo, Ladislav – G108 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. Be2 Bd7
1955 URS Ch sf – Round ? – Kamenetsky Yakov E – 0-1 – Veresov, Gavriil – G12 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Qa5 10. Nb3 Qb6
1955 URS-USA telex – Round 1 – Kashdan, Isaac – 1/2-1/2 – Taimanov, Mark E – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1955 USSR – Round 1 – Tal, Michael – 1/2-1/2 – Kortchnoi, V. – G19 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1956 Leningrad ch-URS – Round 1 – Bivshev, Vasily – 1/2-1/2 – Tal, Mikhail – G96 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1956 Leningrad ch-URS – Round 1 – Zurakhov, Vladlen Y – 1-0 – Tal, Mikhail – G98 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1956 Moscow olm fin-B – Round 7 – Plater, Kazimierz – 1/2-1/2 – Johannsson, Ingi R – G76 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. exd5 Nxd5
1956 Moscow olm prel – Round 4 – Schmid, Leo – 0-1 – Johannsson, I. – G122 1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1958 Montreal Ch – Round 5 – Zalys, Ignas – 1-0 – Coudari, Yves – G6 1. Nf3 c5 2. e4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Qa5 10. Kb1 a6
1959 Argentina – Round 14 – Dominguez, Cristobal – 1/2-1/2 – Emma, Jaime – G78 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. Bh4 Nxd4
1959 URS Team Ch – Round 1 – Shamkovich, Leonid – 1-0 – Saigin, Ian – G66 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Qa5 10. Bc4 Rd8
1961 Budapest – Round 3 – Keres, Paul – 1-0 – Szabo, Ladislav – G12 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. e5 dxe5
1961 Golden Knights – Round ? – Zalys, Ignas – 1-0 – Ebner, WIlliam – G7 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. e5 Nd5
1966 La Habana olm fin-A – Round 3 – Santa Cruz Beneito, Hugo – 1/2-1/2 – Korchnoi, Viktor – G54 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1966 La Habana olm prel – Round 6 – Walther, Edgar – 0-1 – Tal, Mikhail – G238 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1966 Palma de Mallorca – Round 4 – O'Kelly, Albéric de Galway – 0-1 – Tal, Mikhail – G24 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1966 Tbilisi ch-URS – Round 12 – Suetin, Alexey S – 0-1 – Lein, Andreas – G108 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1966 Tbilisi ch-URS – Round 19 – Suetin, Alexey S – 1-0 – Vasiukov, Evgeni – G174 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1967 American Open – Round 2 – Osbun, Erik – 1-0 – Neustadter, R. – G3 1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. Nxc6 10. ... bxc6
1967 DDR Ch 16th – Round 17 – Postler, Reinhard – 1/2-1/2 – Pietzsch, Wolfgang – G90 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. exd5 Nxd5
1967 Maribor – Round 1 – Matanovic, Aleksandar – 1-0 – Minev, Nikolay N – G7 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1967 ROM Ch – Round 17 – Pavlov, Mircea-Sergiu-Aurelian – 1/2-1/2 – Buza, Adrian – G117 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1967 Sarajevo it – Round 10 – Stein, Leon Rico – 1-0 – Dan Nikolic, Slobodan – G18 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1967 Vrnjacka Banja zt – Round 11 – Jansa, Vlastimil – 1/2-1/2 – Bobotsov, Milko G – G76 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
1968 Bamberg – Round 9 – Unzicker, Wolfgang – 1-0 – Szabo, Ladislav – G62 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 d5 10. e5 Nd7
World Blitz 2017 – Round 11.50 – Volokitin, Andrei – 1/2-1/2 – Abdyzhapar, Asylbek – G595 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. Kb1 Qc7

B64a — Richter-Rauzer

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4

Eval: [+0.61]

Les coups candidats

9…Nxd4 — 54.0% (2586 parties) →

Ambassadeurs : Hildebrand, Gerald (46x), Kotronias, Vasilios (45x), Muir, Andrew J (21x), Inkiov, Ventzislav (16x), Dembo, Yelena (13x), ? (13x), Sitorus, Yosua (13x), Yudasin, Leonid (13x)

9…h6 — 34.8% (1663 parties) →

Ambassadeurs : Fishbein, Alexander (16x), Gurevich, Dmitry (14x), Gurevich, Daniel (14x), Rodriguez Cespedes, Amador (13x), Geller, Efim P. (12x), Matulovic, Milan (11x), Kupreichik, Viktor D (11x), Sosonko, Gennadi (10x)

9…d5 — 3.4% (164 parties)

Ambassadeurs : Furman, Boris (11x), Tal, Mikhail (8x), Legrand, Stephane (6x), Radulov, Ivan (4x), Minev, Nikolay N (3x), Sosonko, Gennadi (3x), Korchnoi, Viktor (3x), Brooks, Michael (3x)

9…a6 — 2.9% (139 parties)

Ambassadeurs : Vogel, Robert (3x), Denker, Arnold S (2x), Keres, Paul (2x), Szabo, Ladislav (2x), Heinicke, Herbert (2x), Chemin, Vitorio (2x), Charbonneau, Alain (2x), Chyla, Jiri (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Nxd4	9…h6	9…d5	9…a6
<1800	74	53%	27%	5%	9%
1800-2200	1097	58%	30%	4%	4%
2200-2600	2304	55%	39%	2%	1%
2600+	131	66%	33%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Nxd4	9…h6	9…d5	9…a6
1930s	8	62%	—	12%	12%
1940s	6	50%	—	—	33%
1950s	198	41%	29%	8%	4%
1960s	142	35%	27%	15%	5%
1970s	136	34%	40%	13%	4%
1980s	504	34%	60%	1%	1%
1990s	977	56%	35%	2%	3%
2000s	1305	61%	29%	3%	3%
2010s	1327	58%	33%	3%	3%
2020s	182	66%	25%	4%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Nxd4	58%	66%	▲ +7.9%
9…h6	33%	25%	▼ -8.2%
9…d5	3%	4%	▲ +0.8%
9…a6	3%	2%	▼ -0.9%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 5 parties
Karpov, Aleksandr — 5 parties
Kasparov, Garry — 3 parties
Carlsen, Magnus — 3 parties
Euwe, Max — 1 partie

Parties historiques

9…Nxd4 — 54.0% (2586 parties)

1935 — Marsky, Mark Lvovich vs Yudovich, Mikhail M — 0-1 — VZSPS ch sf
1936 — Gergenreder vs Silic, Vladislav — 0-1 — Moscow RUS
1938 — Plater, Kazimierz vs Kapfer, Thomas — 1-0 — Krakow POL
1938 — Pytlakowski, Andrzej vs Bluemich, Max — 1-0 — Krakow POL
1938 — Pytlakowski, Andrzej vs Mross, Paul — 1/2-1/2 — Krakow POL

9…h6 — 34.8% (1663 parties)

1953 — Djurasevic, Bozidar vs Bogdanovic, Rajko — 1/2-1/2 — Zagreb CRO
1954 — Kolvig, Bent vs Andersen, Henrik — 1-0 — Copenhagen DEN
1954 — Zagorovsky, Vladimir vs Livshin, Iosif — 1-0 — Moscow RUS
1954 — Toran Albero, Roman vs Jacob, Franz — 1-0 — Munich GER
1954 — Sokolsky, Alexey vs Livshin, Iosif — 1-0 — Kiev ch-URS

9…d5 — 3.4% (164 parties)

1935 — Tartakower, Savielly vs Friedman, Henryk — 1-0 — Lvov UKR
1955 — Diez del Corral, Jesus vs Taimanov, Mark — 0-1 — Hastings ENG
1955 — Sokolsky, Alexey vs Saigin, Vladimir — 1-0 — Kiev UKR
1955 — Tal, Michael vs Kortchnoi, V. — 1/2-1/2 — USSR
1955 — Nei, Iivo vs Tal, Mikhail — 1/2-1/2 — URS-ch sf Riga LAT

9…a6 — 2.9% (139 parties)

1935 — Konstantinopolsky, Alexander vs Chistiakov, Alexander — 1-0 — ?
1941 — Seidman, Herbert vs Denker, Arnold S — 0-1 — Hamilton
1947 — Sahlmann, Walter vs Ernst, Wilhelm — 1-0 — Weidenau
1952 — Lehmann, Heinz vs Heinicke, Herbert — 1/2-1/2 — Hagen
1954 — Kupper, Josef vs Kelly, Terry — 1/2-1/2 — Amsterdam NED

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