B45v — Sicilian: Taimanov, Four Knights, 6.Ndb5 Bb4 7.a3, 10.Bd3 O-O 11.O-O d4

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Ndb5 Bb4 7.a3 Bxc3+ 8.Nxc3 d5 9.exd5 exd5 10.Bd3 O-O 11.O-O d4 * ○ Trait aux Blancs

Ouverture — Centre asymétrique

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte e4, case forte b5, Bd3 actif, paire de fous, colonne d.
Faiblesses adverses : isolé d4, Bc8 enfermé.
Problèmes : Bc1 enfermé.
Plans :
● Bg5 — Clouer Nf6
● Re — Tour sur colonne e
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (1v0), case forte d4, case forte g4, case forte d5, colonne c.
Faiblesses adverses : Bc1 enfermé.
Problèmes : Bc8 enfermé, isolé d4.
Plans :
● ...Bf5 — Développer Bc8
● ...Re — Tour sur colonne e
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B45v — Taimanov Four Knights

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Ndb5 Bb4 7.a3 Bxc3+ 8.Nxc3 d5 9.exd5 exd5 10.Bd3 O-O 11.O-O d4

Eval: [+0.29]

Les coups candidats

12.Ne2 — 77.2% (1867 parties) →

Ambassadeurs : Van Riemsdijk, Herman C. (25x), Goncharenko, Georgy (13x), Khenkin, Igor (13x), Korneev, Oleg (9x), Federic, Jozef (9x), Demchenko, Igor Nikolaevich (8x), Karasinska, Magdalena (8x), Dovzik, Juri (8x)

12.Ne4 — 22.7% (550 parties)

Ambassadeurs : Van Riemsdijk, Herman C. (7x), Khenkin, Igor (5x), Maljutin, Evgeni (4x), Rosen, Bernd (4x), Litwak, Aleksej (4x), Stein, Bernd (3x), Barczay, Laszlo (3x), Mellado Trivino, Juan (3x)

12.Na2 — 0.0% (1 parties)

Ambassadeurs : Vatter, Hans-Joachim (1x), Feuerstack, Aljoscha (1x)

12.Bg5 — 0.0% (1 parties)

Ambassadeurs : Maximov, Vadim (1x), Dashiev, Kim (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12.Ne2	12.Ne4	12.Na2	12.Bg5
<1800	68	71%	29%	—	—
1800-2200	860	77%	23%	—	0%
2200-2600	1235	78%	22%	0%	—
2600+	33	79%	21%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	12.Ne2	12.Ne4	12.Na2	12.Bg5
1900s	2	—	100%	—	—
1940s	1	100%	—	—	—
1950s	3	67%	33%	—	—
1960s	24	62%	38%	—	—
1970s	38	63%	37%	—	—
1980s	91	69%	31%	—	—
1990s	334	71%	29%	—	—
2000s	858	77%	23%	—	—
2010s	833	82%	18%	0%	0%
2020s	235	80%	20%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12.Ne2	82%	80%	▼ -1.2%
12.Ne4	18%	20%	▲ +1.4%
12.Na2	0%	0%	-0.1%
12.Bg5	0%	0%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 3 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

12.Ne2 — 77.2% (1867 parties)

1942 — Pilnik, Herman vs Corte, Cesar J — 1-0 — Mar del Plata ARG
1952 — Bobotsov, Milko G vs Karastoichev, Emil — 1/2-1/2 — Sofia BUL
1959 — Kostro, Jerzy vs Szpakowski, Marek — 1-0 — Lodz ch POL
1962 — Freidin vs Ignatiev, Aleksey — 0-1 — Moscow RUS
1962 — Aronin, Lev vs Zaitsev, Alexander — 1-0 — Erevan ch-URS

12.Ne4 — 22.7% (550 parties)

1904 — D Marco, Gianni vs Mieses, Jacques — 1/2-1/2 — Coburg
1904 — Marco, Georg vs Schlechter, Carl — 1/2-1/2 — Coburg
1955 — Kozma, Julius vs Estebaranz Sabata, Jordi — 1/2-1/2 — Prague CZE
1962 — Suetin, Alexey S vs Krogius, Nikolai V — 1/2-1/2 — Erevan ch-URS
1964 — Ivkov, Borislav vs Bilek, Istvan — 1/2-1/2 — Tel Aviv ISR

12.Na2 — 0.0% (1 parties)

2012 — Vatter, Hans-Joachim vs Feuerstack, Aljoscha — 1/2-1/2 — Osterburg GER

12.Bg5 — 0.0% (1 parties)

2014 — Maximov, Vadim vs Dashiev, Kim — 0-1 — Russia

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	● d4
Arriérés	—	—
Chaînes	● b2→a3	—
Passés	—	—
Majorité	● aile_dame 3v2	● centre 1v0

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● b5 (2v0)	● d4 (2v0), ● g4 (2v1), ● d5 (2v1)
Cases faibles	—	—
Centre	● e4 (2v1)	● d4 (2v0), ● d5 (2v1), ● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● e	● e
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bd3	● Bd3 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	Non
Non développées	2 (c1, a1)	2 (c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	asymétrique
Ruptures	● f2-f3	—

Partie
1904 DSB-14.Kongress – Round 11 – Marco, Georg – 1/2-1/2 – Schlechter, Carl – G51 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1904 DSB-14.Kongress – Round 7 – D Marco, Gianni – 1/2-1/2 – Mieses, Jacques – G33 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1955 CSR Ch Army – Round 2 – Kozma, Julius – 1/2-1/2 – Estebaranz Sabata, Jordi – G4 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1962 Erevan ch-URS – Round 1 – Suetin, Alexey S – 1/2-1/2 – Krogius, Nikolai V – G120 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1964 RSFSR-HUN – Round 3.7 – Honfi, Karoly – 1/2-1/2 – Zaitsev, Alexander – G24 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1964 Tel Aviv olm fin-A – Round 2 – Ivkov, Borislav – 1/2-1/2 – Bilek, Istvan – G33 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1965 WchT U26 12. prel – Round 2 – Polgar, Istvan – 0-1 – Kronabether E – G15 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1966 Budapest – Round 1 – Kovacs, Laszlo M – 0-1 – Barczay, Laszlo – G18 1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1968 Lugano olm - Round 1 - Bilek, Istvan - 1-0 - Allan, Denis - G178 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
1969 URS Ch sf – Round ? – Bagirov, Vladimir – 1-0 – Pavlenko, Oleg – G10 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
Corus 2001 – Round 4 – Leko, Peter – 1/2-1/2 – Timman, Jan H – G24 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
FIDE WCh KO 2000 – Round 2.10 – Macieja, Bartlomiej – 1-0 – Krasenkow, Michal – G61 1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Bb4 6. Nb5 Nf6 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
FIDE WCh KO 2001 – Round 1.2 – Polgar, Judit – 1-0 – Al-Mudahka, Mohd – G93 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
RWE Gas Match 2001 – Round 10 – Leko, Peter – 0-1 – Kramnik, Vladimir – G10 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O
RWE Gas Match 2001 – Round 12 – Leko, Peter – 1/2-1/2 – Kramnik, Vladimir – G11 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O

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