B47u — Sicilian: Taimanov, 6.Be2 a6 7.O-O b5

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be2 a6 7.O-O b5 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nxc6 (Capture en c6 — 65 % des parties) ; a3 (Préparer expansion aile dame — 14 % des parties) ; Be3 (Fou actif (mobilité 5), Développer c1 — 13 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bb7 (Développer c8 — 28 % des parties) ; ...Nf6 (Développer g8 — 4 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● a6→b5, d7→e6, f7→e6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● b4 (2v0), ● e5 (2v0)
Cases faibles	—	—
Centre	● d5 (2v1), ● e4 (1v0)	● e5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be2	● Be2 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	5 (● g8, ● 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	—	● …d7-d5, ● …f7-f5

Partie
1961 Buenos Aires ch-ARG – Round 11 – Chemes, Luis – 0-1 – Bazan, Osvaldo – G67 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. O-O b5 8. Be3 Bb7 9. a3 Nf6 10. Kh1 Na5
1963 Budapest Ch – Round 1 – Cs. Kovacs, Laszlo – 1-0 – Szabo, Ladislav – G34 1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. Be2 Qc7 7. O-O b5 8. Be3 Bb7 9. Qd2 Nf6 10. f3 Be7
1963 Budapest ch-HUN – Round 1 – Filep, Tibor – 1-0 – Somogyi, Istvan – G139 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. O-O b5 8. Nxc6 Qxc6 9. Bf3 Bb7 10. e5 Qc7
1963 Budapest ch-HUN – Round 1 – Szilagyi, Peter – 1/2-1/2 – Somogyi, Istvan – G141 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. O-O b5 8. Nxc6 dxc6 9. f4 Bb7 10. Be3 Be7
1964 Moscow Ch sf – Round ? – Udovcic, Mijo – 1/2-1/2 – Titenko, Vladimir F – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. O-O b5 8. Nxc6 Qxc6 9. Bf3 Bb7 10. Re1 Ne7
1964 Open - CFNC Experts – Round 1 – Walters, K Dr – 1/2-1/2 – Blackstone, John – G2 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be2 a6 7. O-O b5 8. a3 Nf6 9. Kh1 Bb7 10. f4 Bc5
1966 La Habana olm fin-B – Round 10 – Ducic, Bogdan – 1-0 – Ojanen, Kaarle S – G147 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nc6 6. O-O Qc7 7. Nc3 b5 8. Nxc6 dxc6 9. f4 Bb7 10. Be3 Nf6
1966 Palermo Memorial – Round 3 – Castillo Tomas, David – 1/2-1/2 – Bazan, Osvaldo – G8 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O b5 8. Nxc6 dxc6 9. Be3 Nf6 10. a3 Bb7
1966 Venice tt – Round 1 – Janosevic, Dragoljub – 1-0 – Waller, Helmut – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. O-O b5 8. Nxc6 Qxc6 9. e5 Bb7 10. Bf3 Qc7
1967 Capablanca Memorial – Round 6 – Bednarski, Jacek – 1/2-1/2 – Jimenez Zerquera, Eleazar – G55 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. O-O b5 8. Nxc6 Qxc6 9. e5 Bb7 10. Bf3 Qc7
1967 Palma de Mallorca – Round 3 – Bednarski, Jacek B – 1-0 – Jimenez Zerquera, Eleazar – G23 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 b5 7. O-O Nc6 8. Nxc6 Qxc6 9. Bf3 Bb7 10. e5 Qc7
1970 Palma de Mallorca Interzonal – Round 10 – Geller, Efim P – 1/2-1/2 – Taimanov, Mark – G184 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O b5 8. Nxc6 Qxc6 9. Bf3 Bb7 10. Bf4 d6
30. ECC Open 2014 – Round 2.1 – Giri, Anish – 1/2-1/2 – Grachev, Boris – G29 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. O-O b5 8. Nxc6 dxc6 9. a4 b4 10. Nb1 Nf6
Amber-blindfold 13th 2004 – Round 4 – Shirov, Alexei – 1/2-1/2 – Ivanchuk, Vasyl – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be2 Qc7 7. O-O b5 8. Re1 Bb7 9. a4 Nxd4 10. Qxd4 b4
Dortmund 1996 – Round 2 – Anand, Viswanathan – 1-0 – Leko, Peter – G6 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O b5 8. Nxc6 dxc6 9. Bg5 Bb7 10. Qd2 Nf6
Hoogovens 1996 – Round 6 – Huebner, Robert – 1/2-1/2 – Leko, Peter – G29 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O b5 8. Nxc6 dxc6 9. Be3 Bb7 10. a4 Rd8
Koop Tjuchem 1996 – Round 7 – Short, Nigel D – 1/2-1/2 – Leko, Peter – G28 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. O-O b5 8. Nxc6 dxc6 9. f4 Bb7 10. Kh1 Be7
Smyslov Region Group Cup 2021 – Round 1.3 – Alekseenko, Kirill – 0-1 – Nepomniachtchi, Ian – G4 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. O-O b5 8. Nxc6 Qxc6 9. Bf3 Bb7 10. Re1 Bb4
World Blitz Championship 2009 – Round 27 – Kosteniuk, Alexandra – 1-0 – Polgar, Judit – G12 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nc6 6. Be2 Qc7 7. O-O b5 8. Re1 Bb7 9. Nxc6 dxc6 10. Bf3 Bd6

B47u — Taimanov (1961)

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be2 a6 7.O-O b5

Les coups candidats

8.Nxc6 — 64.6% (574 parties)

Ambassadeurs : Needleman, Alejandro (9x), Lazarev, Vladimir (8x), Firman, Nazar (7x), Soltau, Achim (7x), Leko, Peter (5x), Volokitin, Andrei (5x), Zapata, Alonso (4x), Khokhlov, Igor (4x)

8.a3 — 14.4% (128 parties)

Ambassadeurs : Martidis, Alkis (2x), Gunnarsson, Jon Viktor (2x), Lyrberg, Patrik (2x), Jahnz, Fabian (2x), Baxter, RWM. (1x), Garcia Lopez, Juan Gilberto (1x), Walters, K Dr (1x), Blackstone, John (1x)

8.Be3 — 12.7% (113 parties)

Ambassadeurs : Szaszak, Andras (2x), Shanya Mishra (2x), Maryasin, Boris (1x), Neukirch, Detlef (1x), Chemes, Luis (1x), Bazan, Osvaldo (1x), Sefc, Jan (1x), Al Husari, Zita Fatima (1x)

8.Re1 — 3.6% (32 parties)

Ambassadeurs : Balogh, Csaba (2x), Kulaots, Kaido (2x), ? (1x), Asfora Eduardo Hasbum (1x), Kasparov, Garry (1x), Vdovin, Aleksey (1x), Modzelan, Andrzej (1x), Petkevich, Jusefs (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Nxc6	8.a3	8.Be3	8.Re1
<1800	35	57%	31%	3%	—
1800-2200	260	50%	22%	18%	2%
2200-2600	481	74%	8%	11%	4%
2600+	25	92%	—	—	8%

Évolution par décennie (% des parties)

Décennie	N parties	8.Nxc6	8.a3	8.Be3	8.Re1
1950s	1	—	—	100%	—
1960s	27	67%	15%	11%	4%
1970s	36	78%	8%	8%	3%
1980s	41	63%	10%	17%	2%
1990s	164	63%	18%	10%	4%
2000s	276	65%	13%	13%	4%
2010s	287	65%	14%	14%	4%
2020s	56	59%	23%	11%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Nxc6	65%	59%	▼ -5.9%
8.a3	14%	23%	▲ +9.6%
8.Be3	14%	11%	▼ -3.6%
8.Re1	4%	0%	▼ -4.2%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 2 parties
Kramnik, Vladimir — 2 parties
Tal, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Anand, Viswanathan — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

8.Nxc6 — 64.6% (574 parties)

1963 — Szilagyi, Peter vs Somogyi, Istvan — 1/2-1/2 — Budapest ch-HUN
1963 — Shishov, Mikhail vs Suetin, Alexey S — 0-1 — Moscow tt
1963 — Shianovsky, Vladislav I vs Kliatskin, I. — 1-0 — Kiev UKR
1963 — Filep, Tibor vs Somogyi, Istvan — 1-0 — Budapest ch-HUN
1963 — Bukhover vs Kliavinsh, Y — 0-1 — ?

8.a3 — 14.4% (128 parties)

1964 — Baxter, RWM. vs Garcia Lopez, Juan Gilberto — 0-1 — Tel Aviv olm
1964 — Walters, K Dr vs Blackstone, John — 1/2-1/2 — Oakland, CA
1965 — Advika Pari vs Franklin, Michael J — 1/2-1/2 — Hastings ch-BCF
1966 — Lane, Martin vs Gribble, Roger G — 0-1 — Sunnyvale
1972 — Sabanes Taure, Victor vs Horrocks, Jack — 1-0 — Pula CRO

8.Be3 — 12.7% (113 parties)

1956 — Sefc, Jan vs Al Husari, Zita Fatima — 1/2-1/2 — Podebrady CZE
1961 — Chemes, Luis vs Bazan, Osvaldo — 0-1 — Buenos Aires ch-ARG
1963 — Kovacs, Marcell vs Szabo, Laszlo — 1-0 — Budapest HUN
1969 — Maryasin, Boris vs Neukirch, Detlef — 1-0 — Schwedt
1972 — Ardiansyah, Haji vs Kaldor, Avraham — 0-1 — Skopje ol (Men) fin-B

8.Re1 — 3.6% (32 parties)

1963 — ? vs Asfora Eduardo Hasbum — 0-1 — ?
1977 — Kasparov, Garry vs Vdovin, Aleksey — 1/2-1/2 — SU jr
1987 — Modzelan, Andrzej vs Petkevich, Jusefs — 0-1 — Gorzow Wielkopolski
1990 — Rogers, Ian vs Ye, Jiangchuan — 1/2-1/2 — Kuala Lumpur MAS
1993 — Delanoy, Arnaud vs Karnaoukh, Valeri — 0-1 — Neuwied op

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