B49d — Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.a3

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2 Nf6 8.a3 * ● 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, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre.
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte e5, paire de fous, colonne c.
Faiblesses adverses : roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, arriérés b7, d7, 4 pièces non développées (C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Be7 — Développer Bf8
● ...d5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B49d —

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2 Nf6 8.a3

Eval: [+0.20]

Les coups candidats

8…Be7 — 54.4% (1377 parties) →

Ambassadeurs : Hirneise, Tobias (6x), Tal, Mikhail (5x), Zhang, Henry (5x), Maedler, Juergen, Dr. (4x), Blehm, Pawel (4x), Bellahcene, Bilel (4x), Jansa, Vlastimil (3x), Matulovic, Milan (3x)

8…b5 — 28.3% (717 parties) →

Ambassadeurs : Bindrich, Falko (4x), Nezhmetdinov, Rashid (3x), Baramidze, David (3x), Fomichenko, Eduard (3x), Pertlova, Sona (3x), Socko, Bartosz (3x), Schoene, Maria (3x), Munguntuul, Batkhuyag (3x)

8…d6 — 7.4% (188 parties)

Ambassadeurs : Janosevic, Dragoljub (4x), Caceres Richter, Dylan (2x), Brameyer, Hermann (2x), Polivanov, Anatoliy (2x), Haag, Ervin (1x), Dely, Peter (1x), Sindler, Helene (1x), Perez Cascella, Julio (1x)

8…Bd6 — 3.0% (77 parties)

Ambassadeurs : Djukic, Sandra (3x), Tal, Mikhail (2x), Dely, Peter (2x), Langeweg, Kick (2x), Olafsson, Fridrik (2x), Benko, Pal (2x), Arroyo Figuero, Fernando (2x), Zivkovic, Velibor (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…Be7	8…b5	8…d6	8…Bd6
<1800	135	64%	24%	7%	1%
1800-2200	1002	55%	30%	6%	2%
2200-2600	862	52%	28%	9%	2%
2600+	23	52%	22%	9%	—

Évolution par décennie (% des parties)

Décennie	N parties	8…Be7	8…b5	8…d6	8…Bd6
1880s	1	100%	—	—	—
1900s	1	—	100%	—	—
1920s	4	75%	25%	—	—
1930s	1	—	100%	—	—
1940s	1	100%	—	—	—
1950s	10	20%	70%	—	10%
1960s	138	43%	25%	7%	17%
1970s	57	58%	16%	18%	7%
1980s	47	51%	19%	13%	6%
1990s	283	52%	27%	11%	3%
2000s	769	49%	31%	8%	3%
2010s	995	59%	28%	6%	1%
2020s	225	63%	28%	6%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…Be7	59%	63%	▲ +3.7%
8…b5	28%	28%	-0.5%
8…d6	6%	6%	+0.1%
8…Bd6	1%	0%	▼ -0.7%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 9 parties
Botvinnik, Mikhail — 2 parties
Alekhine, Alexander — 1 partie

Parties historiques

8…Be7 — 54.4% (1377 parties)

1886 — Van Foreest, Arnold vs Messemaker, Christiaan — 1/2-1/2 — Utrecht NED
1921 — Cernovsky, Akonzult vs Spielmann, Rudolf — 1-0 — Moravska Ostrava
1922 — Cenni, Giovanni vs Voellmy, Erwin — 1-0 — Milan ITA
1926 — Von Holzhausen, Walther vs Antze, Oskar — 1-0 — Hannover GER
1943 — Alekhine, Alexander vs Jan Cihel — 1-0 — Melnik

8…b5 — 28.3% (717 parties)

1909 — Nyholm, Gustav vs Schelfhout, Willem — 1/2-1/2 — Stockholm SWE
1920 — Bergdahl Larsson, Rasmus vs Sjoberg, Victor — 0-1 — Goteborg SWE
1939 — Green Martin vs Purdy, Cecil J S — 0-1 — Sydney AUS
1957 — Gurfinkel, I. vs Zvorykina, Kira Alekseyevna — 0-1 — Vilnius ch19-SU
1958 — Zurakhov, Vladlen Y vs Makarov, Andrei — 0-1 — Kiev UKR

8…d6 — 7.4% (188 parties)

1961 — Honfi, K. vs Lengyel, Laszlo — 1-0 — Budapest ch-HUN
1961 — Pogats, Jozsef Jr. vs Flesch, Jean-benoit — 1-0 — Budapest ch-HUN
1964 — Szabo, Laszlo vs Janosevic, Dragoljub — 1/2-1/2 — Belgrade SRB
1965 — Haag, Ervin vs Dely, Peter — 1-0 — Budapest HUN
1965 — Perez Cascella, Julio vs Palermo, Vicente — 0-1 — Buenos Aires ch-ARG

8…Bd6 — 3.0% (77 parties)

1959 — Nezhmetdinov, Rashid vs Tal, Mikhail — 0-1 — Tbilisi ch-URS
1961 — Honfi, K. vs Dely, Peter — 1/2-1/2 — Budapest ch-HUN
1961 — Barbulovic, Borivoje vs Velimirovic, Dragoljub — 1/2-1/2 — Portoroz SLO
1962 — Keres, Paul Petrovich vs Tal, Mikhail — 1/2-1/2 — Curacao AHO
1963 — Druon, Roger vs Dillmann, EG. — 1-0 — Paris FRA

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● b7, ● d7
Chaînes	● b2→a3	● b7→a6, d7→e6, f7→e6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1)	● e5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1)	● e5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Actif (mob. 8)
Be3	● Be3 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
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	semi-ouvert
Ruptures	● e4-e5, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1959 Tbilisi ch-URS – Round 9 – Nezhmetdinov, Rashid – 0-1 – Tal, Mikhail – G74 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 Nc6 7. Be3 Nf6 8. Be2 Bd6 9. Qd2 Be5 10. f4 Bxd4
1961 Budapest ch-HUN – Round 1 – Honfi, K. – 1-0 – Barcza, Gedeon – G66 1. e4 c5 2. Nf3 a6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. a3 Nc6 7. Be3 Nf6 8. Be2 b6 9. Nxc6 dxc6 10. f4 Bb7
1961 Budapest ch-HUN – Round 1 – Honfi, K. – 1-0 – Lengyel, Laszlo – G76 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. a3 Nf6 8. Be2 d6 9. f4 Na5 10. O-O Nc4
1961 Budapest ch-HUN – Round 1 – Honfi, K. – 1/2-1/2 – Dely, Peter – G73 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. a3 Nf6 8. Be2 Bd6 9. Qd2 Be5 10. g3 Bxd4
1961 Budapest ch-HUN – Round 1 – Pogats, Jozsef Jr. – 1-0 – Flesch, Jean-benoit – G78 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. a3 a6 7. Be3 Nf6 8. Be2 d6 9. O-O Be7 10. f4 Bd7
1962 Candidats Tournament – Round 9 – Keres, Paul Petrovich – 1/2-1/2 – Tal, Mikhail – G32 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. a3 Bd6 9. Qd2 Nxd4 10. Bxd4 Bf4
1962 Erevan ch-URS – Round 1 – Tal, Mikhail – 1-0 – Taimanov, Mark E – G102 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be3 Qc7 7. Be2 Nf6 8. a3 Nxd4 9. Qxd4 Bd6 10. Qd2 Be5
1962 It IIb – Round 6 – Rellstab, Ludwig – 1/2-1/2 – Perez Perez, Francisco Jose – G13 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Be3 Nf6 6. Nc3 e6 7. a3 a6 8. Be2 Ne5 9. f4 Nc4 10. Bxc4 Qxc4
1963 Amsterdam m1 – Round 7 – Cuijpers, Frans Andre – 1-0 – Langeweg, Kick – G12 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be3 Qc7 7. a3 Nf6 8. Be2 Bd6 9. h3 O-O 10. O-O Bf4
1963 Asztalos Memorial – Round 14 – Paoli, Enrico – 0-1 – Dely, Peter – G37 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. a3 Nf6 7. Be3 a6 8. Be2 Ne5 9. f4 Nc4 10. Bxc4 Qxc4
1963 Bad Liebenstein – Round 12 – Jansa, Vlastimil – 1-0 – Polugaevsky, Lev – G84 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be3 Nf6 7. a3 Qc7 8. Be2 Bd6 9. g3 Nxd4 10. Bxd4 b5
1963 Bath ch-BCF – Round 4 – Haygarth, Michael J – 1/2-1/2 – Hindle, Owen M – G39 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. a3 Nf6 8. Be2 Bd6 9. Qd2 Nxd4 10. Bxd4 Bf4
1963 Capablanca Memorial – Round 17 – Ivkov, Borislav – 1-0 – Wade, Robert G – G163 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. a3 Bd6 9. Qd2 Nxd4 10. Bxd4 Bf4
1963 Ch (Men) Budapest HUN – Round 1 – Szabo, Ladislav – 1-0 – Dely, Peter – G9 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. Be3 Nf6 8. a3 Bd6 9. Qd2 Be5 10. Rd1 O-O
1963 Halle zt – Round ? – Johannsson, Ingi R – 1/2-1/2 – Doda, Zbigniew – G153 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. a3 Nc6 8. Be3 Nxd4 9. Qxd4 Bd6 10. Qd2 Be5
1963 HUN-RSFSR – Round 1.2 – Kholmov, Ratmir D – 1/2-1/2 – Szabo, Laszlo – G3 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. a3 Bd6 9. Qd2 Be5 10. f4 Bxd4
1963 IBM I – Round 2 – Milic, Bozidar – 1-0 – Langeweg, Kick – G2 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be3 Qc7 7. a3 Nf6 8. Be2 Bd6 9. h3 O-O 10. O-O Bh2+
1963 LAT Ch – Round ? – Kirilov, Valentins – 1/2-1/2 – Peterson, Andrejs – G43 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. a3 Nf6 8. Be2 Nxd4 9. Qxd4 Bd6 10. Qd2 Be5
1963 LAT Ch – Round ? – Korelov, Alexander P – 1/2-1/2 – Klavins, Janis – G41 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. Be3 Nf6 8. a3 Nxd4 9. Qxd4 Bd6 10. f4 e5
1963 Leningrad ch-URS – Round 1 – Suetin, Alexey S – 0-1 – Gufeld, Eduard – G89 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 Nf6 7. Be2 a6 8. a3 Nxd4 9. Qxd4 Bd6 10. Qd3 b5
1963 Piatigorsky Cup – Round 6 – Olafsson, Fridrik – 1-0 – Benko, Pal – G12 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. a3 Nf6 8. Be2 Bd6 9. Qd2 Nxd4 10. Bxd4 Bf4
1964 Buenos Aires – Round 1 – Keres, Paul – 1-0 – Rubinetti, Jorge – G13 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 a6 7. Be2 Nf6 8. a3 Bd6 9. g3 Be5 10. f4 Bxd4
1964 Buenos Aires ch-ARG – Round 2 – Calneggia, Raul – 1/2-1/2 – Eliskases, Erich – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. a3 Nf6 8. Be3 Bd6 9. Qd2 Nxd4 10. Bxd4 Bf4
1964 Liberation – Round 9 – Szabo, Laszlo – 1/2-1/2 – Janosevic, Dragoljub – G26 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Be3 Qc7 6. Nc3 a6 7. Be2 Nf6 8. a3 d6 9. O-O Bd7 10. f4 Be7
1965 Budapest2 – Round 3 – Haag, Ervin – 1-0 – Dely, Peter – G22 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qc7 5. Be3 a6 6. Nc3 Nf6 7. Be2 Nc6 8. a3 d6 9. O-O Be7 10. f4 O-O
1965 Budapest2 – Round 6 – Ozsvath, Andras – 0-1 – Janosevic, Dragoljub – G34 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. a3 d6 9. O-O Bd7 10. f4 Be7
1965 Buenos Aires ch-ARG – Round 7 – Perez Cascella, Julio – 0-1 – Palermo, Vicente – G52 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 Nf6 7. Be2 Nc6 8. Be3 d6 9. O-O Be7 10. f4 Bd7
1965 SWE Ch – Round 14 – Johansson, Martin 1979 – 1-0 – Goode, Royal – G47 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 a6 7. Be2 Qc7 8. Be3 d6 9. O-O Be7 10. f4 Bd7
1968 Corr ch12-TCH – Round 1 – Caceres Richter, Dylan – 1/2-1/2 – Sindler, Helene – G4 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nc6 7. a3 Nf6 8. Be3 d6 9. f4 Be7 10. O-O O-O

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