B66b — Sicilian: Richter-Rauzer, 7…a6 8.Be2

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.Be2 *   ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bB
bQ
bK
bB
bR
bP
bP
bP
bP
bP
bN
bP
bP
bN
wBFou actif — mobilité 5
wN
wPPion central
Case forte (2v0)
wN
wP
wP
wP
wQ
wBFou actif — mobilité 9
wP
wP
wP
wR
wK
wR
abcdefgh
Plans. O-O (Mettre le roi en sécurité, connecter les tours — 27 % des parties) ; O-O-O (Roi en sécurité côté dame, tour active sur colonne d — 23 % des parties) ; Be3 (14 % des parties) ; f4 (Attaque à l'aile roi — 10 % des parties) ; Rd1 (Tour sur colonne semi-ouverte d — 9 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wK
wR
wP
wP
wP
wB
wQ
wP
wP
wP
wN
wP
wN
wB
Avant-poste C (accessible)
bN
bP
bP
bN
bP
bP
bP
bP
bP
bR
bB
bK
bQ
bB
bR
hgfedcba
Plans. ...Bd7 (Développer c8 — 40 % des parties) ; ...Be7 (Développer f8 — 37 % des parties) ; ...h6 (Poser la question au Bg5 — 20 % 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 ● f4 (2v0) ● e5 (2v0)
Cases faibles
Centre ● e5 (2v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Semi-ouvertes ● d ● c
Pièces
♔ Blancs ♚ Noirs
Be2 ● Be2 Actif (mob. 9)
Bg5 ● Bg5 Actif (mob. 5)
Bc8 ● Bc8 Non développé (mob. 1)
Bf8 ● Bf8 Non développé (mob. 1)
Paire de fous ● Oui ● Oui
Non développées 2 (● a1, ● h1) 4 (● c8, ● f8, ● a8, ● h8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Au centre ● Au centre
Droits de roque O-O / O-O-O O-O / O-O-O
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre mobile
Ruptures ● e4-e5 ● …d6-d5
Partie
1941 USSR – Round 1 – Chistiakov, Alexander – 0-1 – Petrov, Vladimir (ENG) – G9
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Be7 9. O-O O-O 10. Nb3 b5
1942 Mar del Plata – Round 16 – Corte, Cesar J – 0-1 – Luckis, Marcos – G134
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 h6 9. Bh4 Be7 10. O-O-O O-O
1942 Moscow Ch – Round 1 – Shcherbakov, Vitaly – 1/2-1/2 – Ragozin, Viacheslav – G36
1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 h6 9. Be3 Be7 10. f4 Bd7
1945 Moscow Ch – Round 6 – Kamishov, Mikhail P – 1-0 – Fridstein, German – G31
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 h6 9. Be3 Be7 10. f4 Qc7
1946 Barcelona – Round 1 – Arenas Albareda, Marc – 1/2-1/2 – Perez Perez, Francisco Jose – G9
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. Rd1 Rc8 10. O-O Be7
1946 Moscow Ch – Round 1 – Bonch-Osmolovsky, Mikhail – 0-1 – Kotov Lundqvist, Alex – G26
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Be7 9. O-O-O O-O 10. Nb3 Qb6
1946 Tbilisi – Round 1 – Kasparian, Genrikh – 1-0 – Shishov, Maxim Al – G6
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Be7 9. O-O Qc7 10. Rad1 Bd7
1949 Budapest-Moscow – Round 2 – Bronstein, David I – 1/2-1/2 – Barcza, Gedeon – G12
1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 h6 9. Be3 Ne5 10. f3 Qc7
1950 URS Ch sf – Round 7 – Guldin, Lev Isaevich – 0-1 – Dubinin, Peter – G12
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. O-O h6 10. Be3 Qc7
1950 Vienna – Round 10 – Michel, Paul – 1-0 – Cs. Kovacs, Laszlo – G30
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 a6 8. Qd2 Bd7 9. O-O Be7 10. Rad1 Qc7
1951 BCF Ch 38th – Round 7.5 – Russ, Victor John Anthony – 0-1 – Barden, Leonard – G26
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Be7 9. f4 h6 10. Bh4 Nxe4
1951 YUG Ch 7th – Round 18 – Fuderer, Andrija – 1-0 – Milic, Borislav – G155
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. f4 h6 10. Bh4 Be7
1952 Helsinki olm – Round 1 – Cobo Arteaga, Eldis – 1-0 – Platz, Hans – G215
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Be7 9. O-O-O Bd7 10. Nb3 b5
1952 Helsinki olm – Round 1 – Grynfeld, Izaak – 1/2-1/2 – Barendregt, Johan – G214
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. O-O Be7 10. Rad1 h6
1952 Helsinki olm – Round 1 – Horne, Dennis Morton – 1/2-1/2 – Enevoldsen, Harald – G212
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Be7 9. O-O Qc7 10. Rad1 Bd7
1952 Vienna 5253 – Round ? – Paoli, Enrico – 1-0 – Kopetzky, Karl – G21
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Be7 9. O-O Bd7 10. Rad1 Rc8
1953 Hastings5354 – Round 8 – Horne, Dennis Morton – 1/2-1/2 – O'Kelly, Albéric de Galway – G37
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. O-O Be7 10. Kh1 Qc7
1956 CSR Ch – Round 13 – Jezek, Stanislav – 1-0 – Herink, Miroslav – G118
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 h6 9. Be3 e5 10. Nb3 Be7
1956 CSR Ch – Round 4 – Jezek, Stanislav – 1/2-1/2 – Sajtar, Jaroslav – G35
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. Rd1 Be7 10. O-O O-O
1956 Marianske Lazne/Praha – Round 18 – Dworzynski, Roman – 0-1 – Szilagyi, Gyorgy Laszlo – G50
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. Be2 h6 9. Be3 Bd7 10. f4 Nxd4
1956 New York Rosenwald5556 – Round ? – Horowitz, Albert Israel – 1/2-1/2 – Evans, Larry M – G26
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Be7 9. Rd1 Bd7 10. O-O Qc7
1956 URS Ch sf – Round ? – Makarov, Andrei – 0-1 – Shamkovich, Leonid – G84
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. Nb3 b5 10. a3 h6
1956 URS Ch sf – Round ? – Makarov, Andrei – 0-1 – Suetin, Alexey S – G82
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. Nb3 b5 10. a3 Ne5
1957 Denmark ch corr – Round ? – Stoltze, Kurt – 1/2-1/2 – From, Sigfred – G7
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. O-O h6 10. Be3 b5
1957 Gotha – Round 1 – Milic Dobos, Simun – 1-0 – Malich, Burkhard, Dr. – G9
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. Nb3 h6 10. Be3 b5
1957 POL Ch 15th – Round 17 – Solecki, Zbigniew – 0-1 – Gromek, Jozef – G23
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. O-O Be7 10. Rad1 Qc7
1958 Clare Benedict Cup 05th – Round 1 – Blau, Max – 0-1 – Perez Perez, Francisco Jose – G4
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. Rd1 Be7 10. O-O Nxd4
1958 OWL Ch – Round 8 – Groenegress, Wilfried – 1-0 – Fuchs Andreas, Prien – G21
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. O-O Be7 10. Rad1 Nxd4
1958 Riga ch-URS – Round 16 – Gurgenidze, Bukhuti – 1/2-1/2 – Bronstein, David I – G128
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. O-O Rc8 10. Rad1 Be7
1958 Sarajevo ch YUG – Round 16 – Milic, Borislav – 1/2-1/2 – Lukic, Arsenije – G25
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. Nb3 b5 10. a3 h6
1958 Sofia – Round 1 – Gurgenidze, Bukhuti – 0-1 – Bobekov, Radko – G11
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. O-O Be7 10. Nb3 Qc7
1959 OWL Ch – Round 8 – Beerheide, Walther – 0-1 – Groenegress, Wilfried – G18
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. Be2 Be7 9. O-O O-O 10. Nb3 b5
1960 Hoogovens – Round 1 – Armoon Tan, Hooman – 1-0 – Toran Albero, Roman – G10
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. Rd1 Be7 10. O-O Qc7
1960 Leningrad ch-URS – Round 2 – Gurgenidze, Bukhuti – 0-1 – Geller, Efim P – G16
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. Be2 h6 9. Be3 Bd7 10. f4 Qc7
1961 Sarajevo 04th – Round 3 – Milic, Bozidar – 1-0 – Marinkovic, Marija – G5
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. Rd1 Be7 10. O-O O-O
1962 Poznan ch POL – Round 12 – Grabczewski, Romuald – 1-0 – Gromek, Jozef – G79
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. Rd1 Rc8 10. O-O h6
1963 Halle zt – Round ? – Ivkov, Borislav – 1-0 – Pavlov, Mircea-Sergiu-Aurelian – G158
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Be7 9. Rd1 O-O 10. O-O Bd7
1965 Tallinn ch-URS – Round 1 – Stein, Leon Rico – 1/2-1/2 – Simagin, Vladimir – G106
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. Nb3 Be7 10. O-O O-O
FIDE World Rapid 2014 – Round 13.13 – Guseinov, Gadir – 1-0 – Vachier-Lagrave, Maxime – G284
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. Be3 Ng4 9. Bc1 Nc6 10. Be2 Nf6

B66b — Richter-Rauzer (1941)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.Be2
Les coups candidats
8…Bd7 — 40.1% (159 parties)
Ambassadeurs : Kudrin, Sergey (8x), Meijers, Viesturs (8x), Milic, Borislav (4x), Gromek, Jozef (2x), Gurgenidze, Bukhuti (2x), Makarov, Andrei (2x), Dutreeuw, Marc (2x), Korchnoi, Viktor (2x)
8…Be7 — 37.3% (148 parties)
Ambassadeurs : Meijers, Viesturs (7x), Kudrin, Sergey (5x), Horne, Dennis Morton (2x), Raaste, Eero J. (2x), Middleton, Ian (1x), Tumurbator, Purev (1x), Ivkov, Borislav (1x), Pavlov, Mircea-Sergiu-Aurelian (1x)
8…h6 — 19.6% (78 parties)
Ambassadeurs : Meijers, Viesturs (8x), Prucha, Karel (2x), Renet, Olivier (2x), Platz, Joseph (1x), Sussman, H. (1x), Gurgenidze, Bukhuti (1x), Geller, Efim P. (1x), Jezek, Stanislav (1x)
8…Qc7 — 1.0% (4 parties)
Ambassadeurs : Muhlack, Dieter (1x), Nockler, Alexander (1x), Rosner, Dirk (1x), Grochowski, Mariusz (1x), Ikramul, Haq Siam (1x), Nepali, Badrilal (1x), Gonzalez Pabollet, Jesus Maria S (1x), Armelles Ferrer, Miguel (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Bd7 8…Be7 8…h6 8…Qc7
<1800 19 32% 53% 16%
1800-2200 158 41% 32% 23% 2%
2200-2600 118 43% 36% 18%
2600+ 2 50% 50%
Évolution par décennie (% des parties)
Décennie N parties 8…Bd7 8…Be7 8…h6 8…Qc7
1950s 41 59% 32% 10%
1960s 15 53% 20% 20%
1970s 14 43% 36% 21%
1980s 17 29% 41% 24%
1990s 99 28% 37% 31% 1%
2000s 109 30% 48% 17% 2%
2010s 77 49% 34% 14% 1%
2020s 25 68% 20% 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Bd7 49% 68% ▲ +18.6%
8…Be7 34% 20% ▼ -13.8%
8…h6 14% 12% ▼ -2.3%
8…Qc7 1% 0% ▼ -1.3%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 2 parties
Parties historiques
8…Bd7 — 40.1% (159 parties)
1950 — Guldin, Lev Isaevich vs Dubinin, Peter — 0-1 — Gorky
1950 — Michel, Paul vs Kovacs, Abel — 1-0 — Vienna AUT
1950 — Tranmer, Eileen vs Hrushkova-Belska, Nina — 1-0 — Moscow RUS
1951 — Byvshev, Vasily vs Rovner, Dmitry — 1-0 — Lvov UKR
1951 — Fuderer, Andrija vs Milic, Borislav — 1-0 — Sarajevo BIH
8…Be7 — 37.3% (148 parties)
1951 — Russ, Victor John Anthony vs Barden, Leonard — 0-1 — Swansea WLS
1951 — Johansson, Inge V vs Stoltz, Gosta — 0-1 — Sweden
1951 — Daksh Santosh Nathani vs Jursevskis, Aleks — 1/2-1/2 — Vancouver
1952 — Horne, Dennis Morton vs Enevoldsen, Harald — 1/2-1/2 — Helsinki olm
1952 — Paoli, Enrico vs Kopetzky, Karl — 1-0 — Vienna AUT
8…h6 — 19.6% (78 parties)
1950 — Hromada, Vaclav vs Afizov, Marsel — 0-1 — Chocen
1952 — Platz, Joseph vs Sussman, H. — 1-0 — New York, NY USA
1956 — Jezek, Stanislav vs Herink, Miroslav — 1-0 — Podebrady CZE
1956 — Dworzynski, Roman vs Szilagyi, Gyorgy Laszlo — 0-1 — Marianske Lazne/Praha
1960 — Gurgenidze, Bukhuti vs Geller, Efim P. — 0-1 — Leningrad ch-URS
8…Qc7 — 1.0% (4 parties)
1996 — Muhlack, Dieter vs Nockler, Alexander — 0-1 — Afro96
2006 — Rosner, Dirk vs Grochowski, Mariusz — 0-1 — ICCF
2009 — Ikramul, Haq Siam vs Nepali, Badrilal — 1/2-1/2 — Dahka BAN
2011 — Gonzalez Pabollet, Jesus Maria S vs Armelles Ferrer, Miguel — 1-0 — Benidorm

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