Structure de pions

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

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. 7)
Be3	● Be3 Actif (mob. 5)
Be7		● Be7 Actif (mob. 6)
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	mobile
Ruptures	—	● …d7-d5

B49e — Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.a3 Be7 9.O-O

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2 Nf6 8.a3 Be7 9.O-O * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile dame (3 contre 2), un contrôle dominant de d4, des fous actifs en e2 et e3 et la colonne semi-ouverte d.

Côté adverse. Un mauvais fou en c8 et le roi resté au centre.

Plans. f4 (Attaque à l'aile roi — 57 % des parties) ; Kh1 (17 % des parties) ; Qd2 (12 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Mettre le roi à l'abri (...O-O dans 78 % des parties).

Atouts. Les Noirs s'appuient sur un contrôle dominant de e5, un fou actif en e7 et la colonne semi-ouverte c.

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

Plans. ...O-O (Mettre le roi en sécurité, connecter les tours — 78 % des parties) ; ...d6 (Libérer Bc8 — 14 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1959 FRG Ch U20 – Round 2 – Pfleger, Helmut, Dr. – 1/2-1/2 – Taegert, Hans Joachim – G2 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be2 Nf6 7. O-O a6 8. a3 Be7 9. Be3 O-O 10. f4 Na5
1959 Santiago – Round 3 – Pilnik, Herman – 1/2-1/2 – De Souza Mendes, Joao – G18 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. Be2 Qc7 7. O-O Nf6 8. a3 Be7 9. Be3 O-O 10. Kh1 Na5
1959 Tbilisi ch-URS – Round 3 – Keres, Paul – 0-1 – Krogius, Nikolai V – G22 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 Nf6 7. Be2 a6 8. a3 Be7 9. O-O O-O 10. f4 d6
1959 Warsaw Legion tt – Round 5.1 – Witkowski, Stefan – 1-0 – Spanjaard, Eduard – G35 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 Nf6 7. Be3 Nc6 8. Be2 Be7 9. O-O O-O 10. f4 d6
1961 CSR Ch – Round 18 – Skacel, Jan – 0-1 – Filip, Miroslav – G169 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be2 Nf6 7. O-O a6 8. a3 Be7 9. Be3 O-O 10. f4 d6
1962 Candidats Tournament – Round 17 – Keres, P. – 1-0 – Kortchnoi, V. – G63 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. a3 Be7 9. O-O O-O 10. f4 d6
1962 Spartak Ch – Round 16 – Gurgenidze, Bukhuti – 0-1 – Cherepkov, Alexander V – G124 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. a3 a6 7. Be3 Nf6 8. Be2 Be7 9. O-O O-O 10. f4 d6
1962 Torremolinos zt – Round 1 – Parma, Bruno – 1/2-1/2 – Calvo José Minguez, Ricardo – G30 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. a3 Nf6 8. Be2 Be7 9. O-O O-O 10. f4 d6
1962 Varna olm – Round 2 – Clarke, Peter H – 1/2-1/2 – Purevzhav, S – G94 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 Nc6 7. Be3 Nf6 8. Be2 Be7 9. O-O O-O 10. f4 d6
1963 Capablanca Memorial – Round 5 – Tal, Mikhail – 1-0 – Perez Perez, Francisco Jose – G47 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. a3 Nc6 8. Be3 Be7 9. O-O O-O 10. f4 d6
1963 DDR Ch 13th – Round 10 – Geissert, Eberhard – 0-1 – Maedler, Juergen, Dr. – G10 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. a3 Nf6 8. Be2 Be7 9. O-O d6 10. f4 Na5
1963 DDR Ch 13th – Round 8 – Hennings, Artur – 1/2-1/2 – Maedler, Juergen, Dr. – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. a3 Nf6 8. Be2 Be7 9. O-O Ne5 10. f4 Nc4
1963 Liberation – Round 1 – Nedeljkovic, Aleksandar – 1-0 – Janosevic, Dragoljub – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. Be3 Nf6 8. a3 Be7 9. O-O d6 10. f4 Bd7
1963 Luzern Clare Benedic – Round ? – Kupper, Josef – 1/2-1/2 – Penrose, Jonathan – G19 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. a3 Be7 9. O-O O-O 10. f4 d6
1963 Sochi – Round 2 – Krogius, Nikolai V – 1/2-1/2 – Bukic, Enver – G18 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be2 Qc7 7. Be3 Nf6 8. a3 Be7 9. O-O O-O 10. f4 d6
1964 ARG Ch – Round 4 – Caglieri, Osvaldo – 0-1 – Cruz, Raul C. – G15 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nc6 7. a3 Nf6 8. Be2 Be7 9. O-O d6 10. f4 Bd7
1964 Hastings6465 – Round 6 – Aguilera Rocha, Angelina – 1/2-1/2 – Hindle, Owen M – G27 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 Nc6 7. Be3 Nf6 8. Be2 Be7 9. O-O d6 10. f4 Bd7
1964 Hoogovens-B – Round 3 – Gibbs, Peter Campbell – 1/2-1/2 – Mueller, Hans – G13 1. d4 c5 2. e4 e6 3. Nf3 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nf6 7. a3 Nc6 8. Be2 Be7 9. O-O O-O 10. f4 d6
1964 Kislovodsk – Round 1 – Fichtl, Andreas – 0-1 – Stein, Leon Rico – G9 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. a3 Be7 9. O-O O-O 10. f4 d6
1964 Sarajevo 7th – Round 8 – Ciocaltea, Victor – 1/2-1/2 – Polugaevsky, Lev – G10 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nc6 7. Be3 Nf6 8. a3 Be7 9. O-O O-O 10. f4 d6
1964 URS Spartakiad – Round ? – Liberzon, Vladimir M – 1-0 – Zilber, Israel – G22 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. a3 Be7 9. Be3 d6 10. f4 Bd7
1964 WchT U26 11. fin-B – Round 6.3 – Garcia Martinez, Silvino – 1-0 – Richardson, Keith B – G29 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. a3 Qc7 8. Be2 Be7 9. O-O O-O 10. f4 d6
1965 Central Chess Club Ch sf – Round 1 – Murey, Jacob – 0-1 – Liberzon, Vladimir M – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. Be3 Nf6 8. a3 Be7 9. O-O O-O 10. f4 d6
1965 Chigorin Memorial – Round 12 – Garcia Martinez, Salomon – 0-1 – Jansa, Vlastimil – G56 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. a3 Be7 9. Be3 O-O 10. f4 d6
1965 Chigorin Memorial – Round 12 – Garcia Martinez, Silvino – 0-1 – Jansa, Vlastimil – G55 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. a3 Be7 9. Be3 O-O 10. f4 d6
1965 Novi Sad – Round 18 – Puc, Stojan – 1/2-1/2 – Damjanovic, Marko – G147 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 a6 7. Be2 Nf6 8. a3 Be7 9. O-O O-O 10. f4 d6
1965 POL Ch 23th sf – Round 1 – Schmidt, Wlodzimierz – 1-0 – Pojedziniec, Wladyslaw – G1 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. a3 Nc6 8. Be3 Be7 9. O-O d6 10. f4 Na5
1965 WchT U26 12. fin-A – Round 8 – Jansa, Vlastimil – 1-0 – Neukirch, Detlef – G48 1. e4 c5 2. Nc3 Nc6 3. Nge2 e6 4. d4 cxd4 5. Nxd4 a6 6. Be2 Qc7 7. O-O Nf6 8. a3 Be7 9. Be3 O-O 10. f4 d6
1965 Zinnowitz 02nd – Round 11 – Neukirch, Detlef – 1/2-1/2 – Kozma, Julius – G28 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. Be3 Nf6 8. a3 Be7 9. O-O O-O 10. f4 d6
1967 FRG Ch 09th – Round 11 – Hecht, Hans-Joachim – 1-0 – Degenhardt, Norbert – G14 1. e4 c5 2. Ne2 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 a6 7. Be2 Qc7 8. Be3 Be7 9. O-O d6 10. f4 Nxd4
1967 Palma de Mallorca – Round 4 – Portisch, Lajos – 1/2-1/2 – Matulovic, Milan – G31 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be2 a6 7. Be3 Nf6 8. a3 Be7 9. O-O O-O 10. f4 d6
1967 Reggio Emilia ITA – Round 13 – Albano, Marco – 0-1 – Bertok, Mario Jr. – G23 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be3 a6 7. Be2 Nf6 8. a3 Be7 9. O-O O-O 10. Nb3 b5
1968 Cardenas/Matanzas/Santa Clara – Round 15 – Alvarez del Monte, Jose – 0-1 – Garcia Martinez, Silvino – G79 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. a3 Nf6 8. Be2 Be7 9. O-O d6 10. f4 Bd7
1968 Hoogovens – Round 4 – Padevsky, Nikola – 1/2-1/2 – Tal, Mikhail – G45 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 Nf6 7. a3 a6 8. Be2 Be7 9. O-O O-O 10. f4 d6
1968 SWE Ch – Round 9 – Fridh, Anton – 1/2-1/2 – Litsberger, Rune – G25 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 Nf6 7. Be2 Nc6 8. Be3 Be7 9. O-O O-O 10. Qd2 Rd8
1969 Venice – Round 2 – Troianescu, Octav – 0-1 – Matulovic, Milan – G17 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be2 a6 7. a3 Nf6 8. Be3 Be7 9. O-O O-O 10. f4 d6
40. Olympiad Open 2012 – Round 4.45 – Jayasundara, P A Pamudith Nethsar – 0-1 – Stellwagen, Daniel – G274 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Qc7 6. O-O Nf6 7. Nc3 Nc6 8. a3 Be7 9. Be3 O-O 10. f4 d6

B49e — Taimanov (1959)

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2 Nf6 8.a3 Be7 9.O-O

Les coups candidats

9…O-O — 77.8% (878 parties)

Ambassadeurs : Tal, Mikhail (4x), Zhang, Henry (4x), Garcia Martinez, Silvino (3x), Jansa, Vlastimil (3x), Matulovic, Milan (3x), Keres, Paul (2x), Krogius, Nikolai V (2x), Klawonn, Malin (2x)

9…d6 — 14.3% (161 parties)

Ambassadeurs : Geissert, Eberhard (2x), Maedler, Juergen, Dr. (2x), Perez Guijarro, Eduardo (2x), Muratovic, Alija (2x), Liberzon, Vladimir M (1x), Zilber, Israel (1x), Ablanedo Jimenez, Alvaro Alfonso (1x), Garcia Martinez, Silvino (1x)

9…b5 — 4.9% (55 parties)

Ambassadeurs : Matsenko, Elena (2x), De Lima, Carlos Alexandre (2x), Chen, Max (2x), Schepel, Kaarlo (1x), Ardiansyah, Haji (1x), Andrews, B Peter A (1x), Wheeler, George W (1x), Avila, Luz (1x)

9…Ne5 — 1.3% (15 parties)

Ambassadeurs : Hennings, Artur (2x), Maedler, Juergen, Dr. (2x), Martens, Martin (1x), Van de Griendt, Jan Willem (1x), Chaves, Joara (1x), Bonfim, Regina Rodrigues (1x), Sandalakis, Angelos (1x), Nikolopoulos, Georgios (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…O-O	9…d6	9…b5	9…Ne5
<1800	135	81%	10%	5%	1%
1800-2200	586	76%	15%	6%	1%
2200-2600	235	81%	14%	2%	3%
2600+	3	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…O-O	9…d6	9…b5	9…Ne5
1950s	5	100%	—	—	—
1960s	46	72%	24%	—	4%
1970s	27	70%	26%	4%	—
1980s	26	69%	19%	4%	4%
1990s	148	78%	18%	2%	1%
2000s	302	74%	14%	8%	1%
2010s	431	80%	11%	5%	2%
2020s	144	83%	15%	1%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…O-O	80%	83%	▲ +3.5%
9…d6	11%	15%	▲ +3.4%
9…b5	5%	1%	▼ -3.9%
9…Ne5	2%	0%	▼ -1.6%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 4 parties

Parties historiques

9…O-O — 77.8% (878 parties)

1957 — Khadshipetrov, Alexander Mateev vs Bogdanov, Emil — 0-1 — Sofia BUL
1959 — Pilnik, Herman vs De Souza Mendes, Joao — 1/2-1/2 — Santiago CHI
1959 — Keres, Paul vs Krogius, Nikolai V — 0-1 — Tbilisi ch-URS
1959 — Witkowski, Stefan vs Spanjaard, Eduard — 1-0 — Warsaw POL
1959 — Pfleger, Helmut, Dr. vs Taegert, Hans Joachim — 1/2-1/2 — Heidenheim

9…d6 — 14.3% (161 parties)

1961 — Falconer, Neil E vs Berthier, Grant — 1-0 — San Francisco, CA USA
1963 — Geissert, Eberhard vs Maedler, Juergen, Dr. — 0-1 — Aschersleben GER
1963 — Geissert, Eberhard vs Maedler, Juergen, Dr. — 0-1 — ?
1963 — Nedeljkovic, Aleksandar vs Janosevic, Dragoljub — 1-0 — Belgrade SRB
1964 — Liberzon, Vladimir M vs Zilber, Israel — 1-0 — Moscow RUS

9…b5 — 4.9% (55 parties)

1977 — Andrews, B Peter A vs Wheeler, George W — 0-1 — Cheltenham
1989 — Schepel, Kaarlo vs Ardiansyah, Haji — 0-1 — Genting Highlands MAS
1991 — Guy, Gregoire vs St. Pierre, Benoit — 0-1 — Montreal CAN
1997 — Avila, Luz vs Cuartas, Maria Teresa — 1-0 — Empresa de Telecom Women
1999 — Calzolari, Stephane vs Perez, Flavio — 1-0 — Montpellier FRA

9…Ne5 — 1.3% (15 parties)

1963 — Hennings, Artur vs Maedler, Juergen, Dr. — 1/2-1/2 — Aschersleben GER
1963 — Hennings, Artur vs Maedler, Juergen, Dr. — 1/2-1/2 — ?
1987 — Martens, Martin vs Van de Griendt, Jan Willem — 1-0 — Amsterdam jr
1995 — Chaves, Joara vs Bonfim, Regina Rodrigues — 0-1 — Partida
2000 — Sandalakis, Angelos vs Nikolopoulos, Georgios — 1-0 — Niforeika

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