B71c — Sicilian: Dragon, Levenfish, 6…Nc6

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4 Nc6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), les cases fortes b5 et d5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Bg5 (Clouer Nf6) ; Bd3 (Développer Bf1) ; Tour sur colonne d.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), la case forte g4, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Bf5 (Développer Bc8) ; ...Bb4 (Développer Bf8) ; ...d5 (Rupture) ; ...e6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (3v0), ● d5 (2v1)	● g4 (2v1)
Cases faibles	—	—
Centre	● d5 (2v1)	● e5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, 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	semi-ouvert
Ruptures	● e4-e5, ● f4-f5	● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1946 Moscow RUS – Round 1 – Kamyshov, Mikhail – 1-0 – Bonch-Osmolovsky, Mikhail – G24 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 dxe5 9. Qxd8+ Kxd8 10. fxe5 Nd5
1947 Chigorin Memorial – Round ? – Boleslavsky, Isaac – 1/2-1/2 – Kottnauer, Cenek – G92 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. f4 Nc6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 Be6
1947 GBR Ch 34. Premier – Round 5 – Thomas Andrew – 1-0 – Buerger, Victor – G12 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 dxe5 9. Qxd8+ Kxd8 10. fxe5 Ng4
1947 Moscow RUS – Round 1 – Liublinsky, Victor – 1-0 – Aronin, Lev – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Ng4 9. Be2 h5 10. h3 Nh6
1948 Hastings4849 – Round 4 – Schmidt, Pascal – 1-0 – Wood, Beau – G13 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 dxe5 9. Qxd8+ Kxd8 10. fxe5 Nd5
1948 Moskou ch-URS – Round 16 – Averbakh, Yuri L – 0-1 – Lisitsin, Georgy – G136 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. Bc4 Nb6 10. Qd4 Bg7
1949 Hastings4950 – Round 8 – Fuller, Jack – 1/2-1/2 – Barda, Olaf – G34 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. Qf3 d5 10. Be3 e6
1949 Mar del Plata – Round 6 – Benko, Francisco – 0-1 – Eliskases, Erich – G60 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be2 Bg7 8. Nb3 a5 9. a4 O-O 10. Be3 Be6
1949 URS Ch, semi final – Round 1 – Kamishov, Mikhail P – 1/2-1/2 – Moiseev, Oleg – G58 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Qe2+ Qe7
1950 Dubrovnik olm – Round 15 – Rellstab, Ludwig – 1/2-1/2 – Morcken, Otto B – G230 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 a6
1950 FRG Ch – Round 10 – Rellstab, Ludwig Sr – 1-0 – Siegel, Paul – G28 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be2 Bg7 8. Nb3 O-O 9. O-O b5 10. Bf3 b4
1950 Mar del Plata – Round 8 – Pilnik, Herman – 1/2-1/2 – Eliskases, Erich – G70 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be3 Bg7 8. Be2 O-O 9. Qd2 Bd7 10. O-O a6
1951 New York – Round 1 – Mengarini, Ariel – 1-0 – Reshevsky, Samuel – G9 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 g6 6. f4 Nc6 7. Be2 Qb6 8. Be3 Bg7 9. e5 Nd7 10. Nf5 Qxb2
1951 New York ch-USA – Round 7 – Mengarini, Ariel – 1-0 – Reshevsky, Samuel – G27 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be2 Qb6 8. Be3 Bg7 9. e5 Nd7 10. Nf5 Qxb2
1951 San Rafael – Round ? – Estrada Degrandi, Walter – 0-1 – Toran Albero, Roman – G41 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be2 d5
1951 YUG Ch 6th – Round 3 – Majstorovic, Ljubomir – 1/2-1/2 – Vidmar, Milan Jr – G16 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. Bc4 dxe5 10. O-O Qb6+
1952 Belgrade – Round 10 – Fuderer, Andrija – 1-0 – Trifunovic, Petar – G24 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Be7
1952 Helsinki olm – Round 1 – Szabo, Ladislav – 1/2-1/2 – Reshevsky, Samuel – G118 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Qd4 Nf6
1952 Helsinki olm – Round 1 – Szily, Jozsef – 1/2-1/2 – Trifunovic, Petar – G192 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Qd4 Nf6
1952 Rio de Janeiro – Round 6 – Rossetto, Hector – 0-1 – Eliskases, Erich – G30 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Qe7
1952 URS Ch sf – Round 1 – Shaposhnikov, Yury – 0-1 – Bonch-Osmolovsky, Mikhail – G1 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. Qf3 Bg7 10. Be3 O-O
1953 Hollywood Invitational – Round ? – Spinner, Louis – 0-1 – Kashdan, Isaac – G11 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 dxe5 9. Qxd8+ Kxd8 10. fxe5 Nd5
1953 Hoogovens – Round 10 – Heidenfeld, Wolfgang – 0-1 – Kramer, Hanspeter – G54 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Be7
1953 HUN Ch Budapest HUN – Round 1 – Szily, Jozsef – 0-1 – Gereben, Erno – G29 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Nf6
1953 Mar del Plata – Round 12 – Cuellar Gacharna, Miguel – 1-0 – Carvalho, Luiz Candido Brant – G130 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 g6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Be7
1953 Mar del Plata ARG – Round ? – Cuellar Gacharna, Miguel – 1-0 – Carvalho, Flavio – G11 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 g6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Be7
1954 New York ch-USA – Round 1 – Seidman, Herbert – 0-1 – Sherwin, James T – G6 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 g6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Qe7
1954 Olympiad prel IV – Round 1 – Kupper, Josef – 1-0 – Cuellar Gacharna, Miguel – G18 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be2 Bg7 8. Be3 Bd7 9. O-O Rc8 10. Nb3 O-O
1955 Moskou ch-URS – Round ? – Sherbakov, Vitaly – 0-1 – Lisitsin, Georgy – G169 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Be7
1956 Corr – Round ? – Hulgaard, Herluf – 1/2-1/2 – Korning, Peter – G7 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 dxe5 9. Qxd8+ Kxd8 10. fxe5 Ng4
1956 New York Rosenwald – Round ? – Seidman, Herbert – 1/2-1/2 – Reshevsky, Samuel – G30 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Ng4 9. Be2 h5 10. h3 Nh6
1956 URS Ch sf – Round ? – Mikenas, Vladas – 1-0 – Geller, Alexander – G73 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Qe7
1957 New York ch-USA – Round 7 – Di Camillo, Attilio – 1/2-1/2 – Mednis, Edmar J – G42 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Ng4 9. Be2 h5 10. exd6 Qb6
1957 Reykjavik – Round 1 – Pilnik, Herman – 1-0 – Agustsson, Gudmundur – G15 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 Be6
1957 URS-JUG – Round 2 – Keres, Paul Petrovich – 1/2-1/2 – Bertok, Mario Jr. – G7 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Be7
1957 Wageningen zt – Round 16 – Donner, Jan-Hein – 1-0 – Hein-Lindblom, P – G71 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nb3 Bg7 8. Be2 O-O 9. O-O b5 10. Bf3 Qb6+
1958 Munich olm prel – Round 6 – Keller, Dieter – 1/2-1/2 – Panagopoulos, Takis – G137 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be2 Nf6
1958 Munich olm prel – Round 8 – Keres, Paul Petrovich – 1/2-1/2 – Benitez Diaz, Francisco Javier – G78 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Bc4 Bd7 8. Nxc6 Bxc6 9. Qe2 d5 10. exd5 Nxd5
1959 Tbilisi ch-URS – Round 18 – Bronstein, David I – 1/2-1/2 – Vasiukov, Evgeni – G155 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. Qf3 Bg7 10. Bb5 O-O
1959 UKR Ch – Round 9 – Volchok, Alexandr – 0-1 – Kwiatkowski, Seweryn – G67 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 g6 7. Nxc6 bxc6 8. e5 Nd7 9. Qf3 Bg7 10. Bb5 Bb7
1960 Friendly – Round ? – Collins, Paul H – 0-1 – Collins, Richard Arnold – G22 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be3 Bg7 8. Qf3 O-O 9. O-O-O Bg4 10. Nxc6 bxc6
1960 Leipzig olm fin-C – Round 3 – Durão, Joaquim Manuel – 1/2-1/2 – Borja, Meliton – G13 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd1 Qa5
1960 Sao Paulo zt – Round 1 – Flores Alvarez, Rodrigo – 1-0 – Canabrava, Antonio – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Bc4 Qb6 8. Nxc6 bxc6 9. Qd3 Bg7 10. a4 Qc5
1961 Balcarce – Round 1 – Behrensen, Jorge – 1-0 – Corti, Horacio – G22 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 d6 7. Nxc6 bxc6 8. Bc4 e6 9. O-O Bg7 10. Qe2 Rb8
1962 Hayes & Harlington Championship – Round 2.2 – Collins, Richard Arnold – 1-0 – Holt, Phillip – G11 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 dxe5 9. Qxd8+ Kxd8 10. fxe5 Ng4
1963 Alekhine Memorial – Round 6 – Keres, Paul Petrovich – 1/2-1/2 – Padevsky, Nikola – G41 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 dxe5 9. Qxd8+ Kxd8 10. fxe5 Ng4
1963 Clare Benedict Cup 10th – Round ? – Kupper, Josef – 1-0 – Rometti Bernard – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 dxe5 9. Qxd8+ Kxd8 10. fxe5 Nd7
1963 Corr – Round 1 – Barry Bertomeu, Enrique – 1-0 – Orchoff – G13 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be2 d5
1963 OWL Ch – Round 11 – Stoppkotte, Gerhard – 0-1 – Hantke Rolf – G30 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nb3 Bg7 8. Qf3 O-O 9. Bd3 Be6 10. h3 a5
1963 Stevenson Memorial 11th – Round 1 – Collins, Richard Arnold – 1/2-1/2 – Ayriss, Alan Lawrence – G1 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Bg4 9. Be2 Bxe2 10. Qxe2 dxe5
1963 Stevenson Memorial 11th – Round 9 – Collins, Richard Arnold – 1/2-1/2 – Dean, Paul – G17 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be3 Bg7 8. Qd2 O-O 9. Bc4 Nxd4 10. Bxd4 Be6
1964 Buenos Aires – Round 3 – Schweber, Samuel – 1/2-1/2 – Bielicki, Carlos – G30 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Nf6
1964 Tel Aviv olm fin-C – Round 6 – Casa, Alex – 0-1 – Cuellar Alpire, Mariana – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be2 Bg7 8. Be3 O-O 9. Qd2 Ng4 10. Bxg4 Bxg4
1966 La Habana olm fin-B – Round 12 – Czerniak, Moshe – 0-1 – Westman, Jan Erik – G42 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Qe7
1966 Rzeszow ch POL – Round 9 – Adamski, Jan – 1/2-1/2 – Pietrusiak, Bogdan – G59 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f4 g6 7. Be2 Bg7 8. Nb3 a5 9. a4 Qb6 10. g4 Nb4
1966 WchT U26 fin-A 13th – Round 6 – Smejkal, Jan – 1/2-1/2 – Hartston, William R – G16 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Qd4 Qe7+
1967 ISR Ch – Round 10 – Czerniak, Moshe – 1-0 – Neumann Avraham – G43 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Qe7
1967 Moscow – Round 1 – Bilek, Istvan – 1/2-1/2 – Najdorf, Miguel – G92 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Qd4 Qf6
1967 Palma de Mallorca – Round 15 – Portisch, Lajos – 1-0 – Diez del Corral, Jesus – G108 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 g6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Qd4 Qf6
1968 Buenos Aires – Round 1 – Foguelman, Alberto – 1-0 – Tietrobono – G15 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 dxe5 9. Qxd8+ Kxd8 10. fxe5 Ng4
1969 Rhyl ch-BCF – Round 9 – Penrose, Justin – 1-0 – Green, B. – G72 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 dxe5 9. Qxd8+ Kxd8 10. fxe5 Nd5
1969 Varna – Round 1 – Radulov, Ivan – 1-0 – Bobotsov, Milko G – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 g6 7. Be3 Bg7 8. Qd2 O-O 9. Be2 Ng4 10. Bxg4 Bxg4
Moskou 1981 – Round 1 – Kasparov, Garry – 1/2-1/2 – Balashov, Yuri S – G16 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f4 g6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Qd4 Nf6

B71c — Dragon Levenfish

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4 Nc6

Eval: [+0.00]

Les coups candidats

7.Nxc6 — 50.6% (1265 parties) →

Ambassadeurs : Grazinys, Vidmantas (9x), Berkley, Stephen W (6x), Harju, Antero (6x), Flaisigova, Petra (5x), L'Ami, Erwin (5x), Ong, Allan (5x), Reshevsky, Samuel (4x), Yanofsky, Daniel Abraham (4x)

7.Nf3 — 15.2% (381 parties) →

Ambassadeurs : Hector, Jonny (11x), Mrva, Martin (8x), Gutierrez Herrera, Jose Antonio (4x), Gutmakher, Olga (4x), Feygin, Michael (4x), Kolar, Srecko (3x), Kofidis, Andreas (3x), Van Leeuwen, Etienne (3x)

7.Be2 — 13.3% (333 parties)

Ambassadeurs : Gayson, Peter M (11x), Kupreichik, Viktor D (8x), Lanka, Zigurds (3x), Mengarini, Ariel (2x), Reshevsky, Samuel (2x), Durão, Joaquim Manuel (2x), Blackstone, John (2x), Lilja, Richard (2x)

7.Bb5 — 9.3% (233 parties) →

Ambassadeurs : Walther, Edgar (4x), Weissleder, Wolfgang M Dr (3x), Kruk, Sergey Valentinovich (3x), Klavins, Janis (2x), Schmid, Lothar (2x), Korchnoi, Viktor (2x), Karvinen, Kimmo (2x), Nefzer, Werner (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Nxc6	7.Nf3	7.Be2	7.Bb5
<1800	95	47%	12%	11%	14%
1800-2200	813	52%	14%	14%	8%
2200-2600	730	44%	26%	14%	4%
2600+	6	17%	33%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7.Nxc6	7.Nf3	7.Be2	7.Bb5
1940s	23	57%	4%	17%	22%
1950s	111	58%	9%	14%	12%
1960s	90	50%	2%	10%	29%
1970s	140	61%	8%	10%	11%
1980s	194	54%	14%	16%	8%
1990s	599	51%	16%	14%	8%
2000s	703	51%	17%	12%	9%
2010s	561	47%	18%	14%	7%
2020s	81	31%	19%	20%	11%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Nxc6	47%	31%	▼ -16.6%
7.Nf3	18%	19%	+0.3%
7.Be2	14%	20%	▲ +6.0%
7.Bb5	7%	11%	▲ +4.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 4 parties
Anand, Viswanathan — 2 parties
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie

Parties historiques

7.Nxc6 — 50.6% (1265 parties)

1946 — Kamyshov, Mikhail vs Bonch-Osmolovsky, Mikhail — 1-0 — Moscow RUS
1947 — Wormald Chavez, Thomas vs Nilsson, Zandor — 1-0 — BCCA-Sweden
1947 — Liublinsky, Victor vs Aronin, Lev — 1-0 — Moscow RUS
1947 — Thomas Andrew vs Buerger, Victor — 1-0 — Harrogate
1948 — Penrose, Oliver vs Truscott, Alan Fraser — 1-0 — London, Bishopsgate

7.Nf3 — 15.2% (381 parties)

1949 — Kan, Ilya A vs Fridstein, German — 1-0 — Moscow RUS
1952 — Bronstein, David I vs Plater, Kazimierz — 1-0 — Helsinki olm
1952 — Aponte De La Corte, Jose Manuel vs Martello Panno, David — 1-0 — Buenos Aires ARG
1954 — Nestler, Vincenzo vs Staldi, Cherubino — 0-1 — ITA-ch17 Trieste
1955 — Kan, Ilya A vs Averbakh, Yuri L — 0-1 — Moscow RUS

7.Be2 — 13.3% (333 parties)

1947 — Boleslavsky, Isaac vs Kottnauer, Cenek — 1/2-1/2 — Moscow RUS
1947 — Beretta, Hector vs Piro, Antonio — 1/2-1/2 — Buenos Aires ARG
1947 — Beretta, Alberto Luigi vs De Piro, Tristram — 1/2-1/2 — Buenos Aires ch-ARG
1949 — Benko, Francisco vs Eliskases, Erich — 0-1 — Mar del Plata ARG
1950 — Rellstab, Ludwig Sr vs Siegel, Paul — 1-0 — Bad Pyrmont GER

7.Bb5 — 9.3% (233 parties)

1945 — Czerniak, David vs Pelikan, Anna — 1-0 — Buenos Aires ch
1946 — Pytlakowski, Andrzej vs Gadalinski, Jan — 1/2-1/2 — Sopot
1949 — Liublinsky, Victor vs Moiseev, Oleg — 1/2-1/2 — Moscow RUS
1949 — Korchnoi, Viktor vs Spassky, Boris V. — 0-1 — Leningrad RUS
1949 — Geller, Efim P. vs Pogrebissky, Iosif — 0-1 — Odessa UKR

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →