B49i — Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.O-O Bb4 9.Nxc6

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2 Nf6 8.O-O Bb4 9.Nxc6 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte d4, Be2 actif, Be3 actif, paire de fous, colonne d.
Faiblesses adverses : arriérés b7, d7, Bc8 enfermé, roi noir au centre, bishop b4 en prise.
Plans :
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), Bb4 actif, paire de fous, colonne c.
Faiblesses adverses : knight c6 en prise.
Problèmes : roi au centre, Bc8 enfermé, arriérés b7, d7, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...d5 — Rupture
● ...e5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B49i — Taimanov

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2 Nf6 8.O-O Bb4 9.Nxc6

Eval: [+0.26]

Les coups candidats

9…bxc6 — 87.5% (1256 parties)

Ambassadeurs : Sznapik, Aleksander (11x), Da Silva Filho, Alcindo Luz Bastos (9x), Rantanen, Yrjo A. (7x), Pogorelov, Ruslan (7x), Crapulli, Giuseppe (7x), Pulkkinen, Kari (6x), Horvath, Tamas (5x), Grammatica, Andrea (5x)

9…dxc6 — 5.2% (74 parties)

Ambassadeurs : Noetzel, Frank (2x), Brameyer, Hermann (2x), Matanovic, Aleksandar (1x), Van Scheltinga, Theo (1x), Garcia Nicolau, Albert (1x), Gaprindashvili, Nona (1x), Kuzmin, Gennadi (1x), Bannik, Anatolij (1x)

9…Bxc3 — 4.2% (61 parties)

Ambassadeurs : Schuler, Georg (2x), Spielmann, Rudolf (1x), Lowenborg, Otto (1x), Kohler, Anton (1x), Weil, Wolfgang (1x), Bernstein, Olivia (1x), Trompowsky, Octavio (1x), Klovans, Janis (1x)

9…Qxc6 — 3.1% (45 parties)

Ambassadeurs : Heuer, Valter (1x), Gipslis, Aivars (1x), Cherepkov, Alexander V (1x), Spassky, Boris Vasily (1x), Heyer, Anne Ricarda (1x), Spassky, Boris V. (1x), Bibiloni, Jorge (1x), Sarlo, Miguel Angel (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…bxc6	9…dxc6	9…Bxc3	9…Qxc6
<1800	34	76%	9%	9%	6%
1800-2200	530	86%	6%	5%	4%
2200-2600	671	92%	4%	3%	2%
2600+	11	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…bxc6	9…dxc6	9…Bxc3	9…Qxc6
1910s	1	—	—	100%	—
1920s	1	100%	—	—	—
1930s	2	50%	—	50%	—
1940s	1	100%	—	—	—
1950s	3	33%	33%	33%	—
1960s	27	67%	19%	4%	11%
1970s	59	92%	2%	5%	2%
1980s	79	90%	5%	4%	1%
1990s	212	86%	5%	5%	4%
2000s	363	86%	6%	5%	3%
2010s	595	89%	5%	4%	3%
2020s	93	91%	5%	1%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…bxc6	89%	91%	▲ +2.7%
9…dxc6	5%	5%	▲ +0.8%
9…Bxc3	4%	1%	▼ -2.5%
9…Qxc6	3%	2%	▼ -1.0%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 1 partie

Parties historiques

9…bxc6 — 87.5% (1256 parties)

1922 — Spencer, Edmund vs Kostic, Boris — 0-1 — Weston Super Mare
1939 — Poulsen, Christian vs Vaitonis, Povilas — 1-0 — Buenos Aires ARG
1947 — Popov, Vesselin vs Fuster, Geza — 0-1 — Sofia BUL
1957 — Giterman, Shlomo vs Taimanov, Mark — 1/2-1/2 — Tbilisi GEO
1960 — Unzicker, Wolfgang vs Olafsson, Fridrik — 1/2-1/2 — Buenos Aires ARG

9…dxc6 — 5.2% (74 parties)

1957 — Matanovic, Aleksandar vs Van Scheltinga, Theo — 1/2-1/2 — Beverwijk NED
1961 — Liebert, Heinz vs Hodos, German — 1/2-1/2 — Rostov RUS
1962 — Malich, Burkhard, Dr. vs Hecht, Hans-Joachim — 1/2-1/2 — Varna olm
1963 — Kuzmin, Gennadi vs Bannik, Anatolij — 1/2-1/2 — Kiev UKR
1966 — Garcia Nicolau, Albert vs Gaprindashvili, Nona — 1-0 — Beograd Belgrade YUG

9…Bxc3 — 4.2% (61 parties)

1919 — Spielmann, Rudolf vs Lowenborg, Otto — 1-0 — Stockholm SWE
1938 — Kohler, Anton vs Weil, Wolfgang — 1/2-1/2 — Bad Oeynhausen GER
1954 — Bernstein, Olivia vs Trompowsky, Octavio — 1/2-1/2 — Montevideo URU
1963 — Klovans, Janis vs Suetin, Alexey S — 1/2-1/2 — Leningrad ch-URS
1970 — Drimer, Dolfi vs Doda, Zbigniew — 1/2-1/2 — Wijk aan Zee NED

9…Qxc6 — 3.1% (45 parties)

1961 — Heuer, Valter vs Gipslis, Aivars — 1/2-1/2 — Riga LAT
1963 — Cherepkov, Alexander V vs Spassky, Boris Vasily — 0-1 — Leningrad RUS
1963 — Heyer, Anne Ricarda vs Spassky, Boris V. — 1/2-1/2 — Moscow RUS
1974 — Bibiloni, Jorge vs Sarlo, Miguel Angel — 1-0 — Pinamar ARG
1989 — Hoiberg, Nina vs Paasikangas, Johanna — 1-0 — Aabybro

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● b7, ● d7
Chaînes	—	● b7→a6, d7→e6, f7→e6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (3v0)	—
Cases faibles	—	—
Centre	● d4 (3v0), ● d5 (3v2)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Actif (mob. 7)
Be3	● Be3 Actif (mob. 9)
Bb4		● Bb4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	1 (a1)	3 (c8, 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, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1922 Weston – Round 9 – Spencer, Edmund – 0-1 – Kostic, Boris – G17 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. Be2 Nc6 5. d4 cxd4 6. Nxd4 Qc7 7. O-O Nf6 8. Be3 Bb4 9. Nxc6 bxc6 10. Na4 Bd6
1939 Buenos Aires ol f-A – Round 6 – Poulsen, Christian – 1-0 – Vaitonis, Povilas – G120 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 a6 7. Be2 Nf6 8. O-O Bb4 9. Nxc6 bxc6 10. Bd3 d5
1954 Montevideo – Round 3 – Bernstein, Olivia – 1/2-1/2 – Trompowsky, Octavio – G48 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. Be2 Qc7 7. O-O Nf6 8. Be3 Bb4 9. Nxc6 Bxc3 10. bxc3 Qxc6
1957 Hoogovens – Round 5 – Matanovic, Aleksandar – 1/2-1/2 – Van Scheltinga, Theo – G21 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 Nf6 7. Be2 a6 8. O-O Bb4 9. Nxc6 dxc6 10. Qd3 b5
1957 URS Ch, semi final – Round 1 – Giterman, Shlomo – 1/2-1/2 – Taimanov, Mark E – G53 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Be2 Nc6 7. O-O Nf6 8. Be3 Bb4 9. Nxc6 bxc6 10. Qd4 c5
1960 Buenos Aires – Round 1 – Unzicker, Wolfgang – 1/2-1/2 – Olafsson, Fridrik – G19 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O a6 8. Be3 Bb4 9. Nxc6 bxc6 10. Qd4 c5
1960 Buenos Aires – Round 4 – Gligorić, Svetozar – 1/2-1/2 – Taimanov, Mark E – G54 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. Be3 Nf6 8. O-O Bb4 9. Nxc6 bxc6 10. Qd4 c5
1960 Leipzig olm prel – Round 9 – Barreto De Oliveira, Davi Castel – 1/2-1/2 – Korchnoi, Viktor – G318 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 Bb4 9. Nxc6 bxc6 10. Bf3 Rb8
1960 Olympiad prel III – Round 3 – Humerez Estrada, Cidar – 0-1 – Filip, Miroslav – G24 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O a6 8. Be3 Bb4 9. Nxc6 bxc6 10. Qd3 d5
1961 Chigorin Memorial – Round 13 – Nezhmetdinov, Rashid – 1-0 – Kotkov, Yuri – G21 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Nc6 8. Be3 Bb4 9. Nxc6 bxc6 10. Bd3 O-O
1961 Dortmund – Round 1 – Teschner, Rudolf – 1-0 – Larsen, Benjamin Holsko – G29 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be2 Nf6 7. O-O a6 8. Be3 Bb4 9. Nxc6 bxc6 10. Bd3 Rb8
1961 Rostov – Round 7 – Liebert, Heinz – 1/2-1/2 – Hodos, German – G20 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 Bb4 9. Nxc6 dxc6 10. Bf3 e5
1962 Varna olm – Round 1 – O'Kelly, A. – 1/2-1/2 – Penrose, Justin – G44 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 Bb4 9. Nxc6 bxc6 10. Bd3 d5
1962 Varna olm – Round 7 – Malich, Burkhard, Dr. – 1/2-1/2 – Hecht, Hans-Joachim – G174 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nc6 7. Be3 Nf6 8. O-O Bb4 9. Nxc6 dxc6 10. Bf3 e5
1963 Enschede zt – Round 15 – Boey, Jin Huey – 0-1 – Penrose, Justin – G73 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. O-O Bb4 9. Nxc6 bxc6 10. Qd4 c5
1963 Kiev Avantgard Ch – Round ? – Kuzmin, Gennadi P – 1/2-1/2 – Bannik, Anatolij – G25 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nc6 7. O-O Nf6 8. Be3 Bb4 9. Nxc6 dxc6 10. Qd4 c5
1963 Leningrad ch-URS – Round ? – Klovans, Janis – 1/2-1/2 – Suetin, Alexey S – G156 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. O-O Bb4 9. Nxc6 Bxc3 10. bxc3 Qxc6
1963 URS Team Ch – Round ? – Heyer, Anne Ricarda – 1/2-1/2 – Spassky, Boris V. – G40 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. O-O Bb4 9. Nxc6 Qxc6 10. e5 Bxc3
1963 YUG Ch 19th – Round 18 – Lutovac, Maksim – 0-1 – Sokolov, Vladimir – G65 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be2 Qc7 7. O-O Nf6 8. Be3 Bb4 9. Nxc6 bxc6 10. Na4 Bd6
1964 Tel Aviv olm fin-A – Round 3 – Acuna Medina, Angel G. – 1/2-1/2 – Portisch, Lajos – G54 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Nc6 8. Be3 Bb4 9. Nxc6 bxc6 10. f4 d5
1966 La Habana olm fin-B – Round 1 – Pritchett, Craig W – 1-0 – Zinser, Sylvain – G12 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Qc7 7. Be2 Nf6 8. O-O Bb4 9. Nxc6 bxc6 10. Qd4 c5
1967 Moscow RUS – Round 1 – Zhidkov, Valery S – 1/2-1/2 – Liberzon, Vladimir M – G13 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 Bb4 9. Nxc6 bxc6 10. Na4 Rb8
42. Olympiad 2016 – Round 2.30 – Henriquez Villagra, Cristobal – 1/2-1/2 – Neiksans, Arturs – G127 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 Bb4 9. Nxc6 bxc6 10. f4 Bxc3

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