C06a — French: Tarrasch, Closed, Main Line

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Nf3 (12 % des parties) ; Nf4 (Cavalier actif en f4 — 9 % des parties) ; O-O (Mettre le roi en sécurité, connecter les tours — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...f6 (Rupture — 81 % des parties) ; ...Qb6 (Prépare O-O-O — 12 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● d4→e5	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● c	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bd3	● Bd3 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● 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	fermé
Ruptures	—	● …f7-f6

Partie
1949 Southsea – Round 3 – Rossolimo, Nicolas – 1-0 – Wallis, Philip – G7 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Nb4 9. Bb1 b5 10. O-O a5
1950 FRG Ch Bad Pyrmont GER – Round 11 – Niephaus, Walter – 1/2-1/2 – Troeger, Paul – G35 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 a6 9. O-O b5 10. f4 g6
1951 Augsburg – Round 8 – Kieninger, Georg – 1/2-1/2 – Bogoljubow, Efim – G32 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 Nb4 9. Bb1 Nb6 10. O-O Bd7
1967 DSV-Turnier – Round 6 – Neukirch, Detlef – 0-1 – Uhlmann, Wolfgang – G39 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Be7 9. O-O h5 10. f4 g6

C06a — Tarrasch Variation, Closed Variation, Main Line (1949)

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4

Les coups candidats

8…f6 — 80.8% (19247 parties) →

Ambassadeurs : Ulybin, Mikhail (90x), Gleizerov, Evgeny (88x), Volkov, Sergey (51x), Jovanovic, Bratislav M (42x), Godena, Michele (36x), Cech, Pavel (36x), Hertneck, Gerald (35x), Moskalenko, Viktor (31x)

8…Qb6 — 12.3% (2936 parties) →

Ambassadeurs : Gaujens, Artis (36x), Kummerow, Heiko (29x), Baranyai, Szabolcs Jr. (13x), Kamp, Christoph (13x), Simon, Holger (12x), Gatto, Claudio (10x), Schmitz, Andreas Arnold (9x), Gutmann, Alois (8x)

8…Nb6 — 3.5% (824 parties) →

Ambassadeurs : Hecht, Hans-Joachim (16x), Medic, Mirjana (11x), Ciobanu, Camelia-Adriana (11x), Schmidt, Bodo (9x), Hook, William (8x), Goric, Esad (8x), Knott, Simon J B (7x), Reefschlaeger, Helmut, Dr. (7x)

8…Be7 — 1.3% (314 parties)

Ambassadeurs : Kreffta, Beata (3x), Turner, Joseph David (2x), Bleuzen, Cedric (2x), Keogh, Edward (1x), Kchouk, Bechir (1x), Berry, Jonathan (1x), Eggertsen Joe (1x), Jones, BA. (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…f6	8…Qb6	8…Nb6	8…Be7
<1800	1215	76%	14%	2%	4%
1800-2200	10711	81%	13%	2%	2%
2200-2600	9078	85%	9%	4%	0%
2600+	78	95%	4%	1%	—

Évolution par décennie (% des parties)

Décennie	N parties	8…f6	8…Qb6	8…Nb6	8…Be7
1950s	111	29%	31%	39%	—
1960s	80	32%	28%	28%	9%
1970s	319	53%	18%	27%	3%
1980s	1678	76%	14%	7%	0%
1990s	4671	77%	16%	4%	1%
2000s	7592	79%	14%	3%	2%
2010s	8204	87%	8%	2%	1%
2020s	1177	90%	7%	1%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…f6	87%	90%	▲ +3.6%
8…Qb6	8%	7%	▼ -1.7%
8…Nb6	2%	1%	▼ -0.7%
8…Be7	1%	1%	▼ -0.7%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 5 parties
Karpov, Anatoly — 5 parties
Kramnik, Vladimir — 5 parties
Hou, Yifan — 4 parties
Ding, Liren — 3 parties
Anand, Viswanathan — 2 parties
Botvinnik, Mikhail — 1 partie

Parties historiques

8…f6 — 80.8% (19247 parties)

1950 — Lindquist, Sture vs Letelier Martner, Rene — 1/2-1/2 — Dubrovnik olm
1950 — Rossolimo, Nicolas vs Czerniak, Moshe — 1-0 — Venice ITA
1950 — Steiner, Herman vs Czerniak, Moshe — 1-0 — Venice ITA
1951 — Szily, Jozsef vs Eigler, Ferenc — 1-0 — Hungary ch
1951 — Vasconcellos, Fernando O vs Esposito, Alfredo — 1-0 — Mar del Plata ARG

8…Qb6 — 12.3% (2936 parties)

1950 — Schulz, Klaus-Juergen vs Kilda, Aidas — 0-1 — GER
1950 — Honan, Neill Thomas vs Willson, Alan John — 1-0 — Hastings ENG
1952 — Kochan, Fritz vs Koehler, Adalbert — 1/2-1/2 — Guetersloh
1952 — De Souza Mendes, Joao vs Bauza, Lorenzo — 1-0 — Rio de Janeiro BRA
1953 — Franke, Heribert vs Landgraf, Siegfried — 1-0 — FRG-2Cup f corr

8…Nb6 — 3.5% (824 parties)

1950 — Makarov, Ilya vs Bannik, Anatolij — 1-0 — ?
1950 — Batchinsky, Basile vs Mueller, Philip — 0-1 — Lucerne SUI
1950 — Szabo, Laszlo vs Troianescu, Octav — 1-0 — Szcawno Zdroj
1951 — Estrin, Yakov vs Zagorovsky, Vladimir — 0-1 — ?
1951 — Niephaus, Walter vs Weiss, Ernst — 1-0 — Duesseldorf GER

8…Be7 — 1.3% (314 parties)

1962 — Spiridonov, Nikola vs Rautenstrauch, Hans Hubert — 1-0 — Marianske Lazne
1963 — Jones, BA. vs Collins, Richard — 0-1 — Richmond
1966 — Keogh, Edward vs Kchouk, Bechir — 1/2-1/2 — Havana CUB
1967 — Neukirch, Detlef vs Uhlmann, Wolfgang — 0-1 — Zinnowitz GER
1968 — Fucak, Emilio Milko vs Steinberg, Alexander — 0-1 — USSR-Yugoslavia

1949 Southsea – Round 3 – Rossolimo, Nicolas – 1-0 – Wallis, Philip – G7

1950 FRG Ch Bad Pyrmont GER – Round 11 – Niephaus, Walter – 1/2-1/2 – Troeger, Paul – G35

1951 Augsburg – Round 8 – Kieninger, Georg – 1/2-1/2 – Bogoljubow, Efim – G32

1967 DSV-Turnier – Round 6 – Neukirch, Detlef – 0-1 – Uhlmann, Wolfgang – G39