Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, c3→d4, d4→e5	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bd3	● Bd3 Actif (mob. 11)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (● g1, ● 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	● c3-c4	● …f7-f6

C05p — French: Tarrasch, Closed, 6…Nc6

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Ne2 (Développer g1 — 90 % des parties) ; Ngf3 (Développer g1 — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...cxd4 (Capture en d4, Occuper le centre — 63 % des parties) ; ...Qb6 (Prépare O-O-O — 26 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

├── C05r - 7.Ngf3 - Tarrasch, Closed (1930) [+0.38] · 46 parties

│ ├── C05r - 7…* - Tarrasch, Closed · 19 parties

│ ├── C05u - 7…Qb6 8.O-O - Nunn-Korchnoi Gambit (1947) [+0.47] · 16 parties

│ └── C05s - 7…Be7 - Tarrasch, Closed (1962) [+0.35] · 11 parties

│ ├── C05s - 8.* - Tarrasch, Closed · 7 parties

│ └── C05t - 8.O-O g5 - Tarrasch, Closed (2009) [+0.83] · 4 parties

├── C05v - 7.Ne2 - Tarrasch, Closed (1931) [+0.25] · 41 parties

│ ├── C05v - 7…* - Tarrasch, Closed · 40 parties

│ └── C05w - 7…a5 - Tarrasch, Closed (1968) [+0.91] · 1 partie

└── C05p - 7.Ndf3 - Tarrasch, Closed (1949) [+0.19] · 12 parties

├── C05p - 7…* - Tarrasch, Closed · 11 parties

└── C05q - 7…Qa5 - Tarrasch, Closed (1987) [+0.49] · 1 partie

Les parties, variante par variante

146 partiesC05r - 7.Ngf3 - Tarrasch, Closed (1930)

241 partiesC05v - 7.Ne2 - Tarrasch, Closed (1931)

312 partiesC05p - 7.Ndf3 - Tarrasch, Closed (1949)

C05p — Tarrasch Variation, Closed Variation

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

Les coups candidats

7.Ne2 — 85.8% (33379 parties) →

Ambassadeurs : Gleizerov, Evgeny (89x), Jovanovic, Bratislav M (67x), Bakheet Farag (64x), Ulybin, Mikhail (60x), Prandstetter, Eduard (49x), Prokopp, Heinz (46x), Hlavac, Rudolf (46x), Socko, Monika (45x)

7.Ngf3 — 10.8% (4191 parties) →

Ambassadeurs : Dembo, Yelena (18x), Maroroa Jones, Gawain C B (15x), Pavasovic, Dusko (15x), Pergel, Laszlo (15x), Mihevc-Mohr, Narcisa (15x), Tseitlin, Mark D (14x), Ratnakaran, K. (14x), Gopal G.N. (14x)

7.Ndf3 — 3.3% (1274 parties) →

Ambassadeurs : Karpatchev, Aleksandr (18x), Iivonen, Markku (7x), Krupa, Monika (6x), Tochtrop, Lothar (6x), Haas, Frank-Martin, Dr. (6x), Mateus, Alejandro (6x), Braeuning, Rudolf Wilhelm (6x), Walther, Edgar (5x)

7.Qg4 — 0.1% (57 parties)

Ambassadeurs : Gharamian, Tigran (4x), Tomic, Dragoslav (3x), Martin, Raymond (2x), Bakheet Farag (2x), Vannelli, Vittorio (2x), Ramos Moreno, Francisco Jose (2x), Kadek, Iin Dwijayanti (2x), Aga, Rubin (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Ne2	7.Ngf3	7.Ndf3	7.Qg4
<1800	2495	85%	11%	4%	0%
1800-2200	17973	86%	10%	4%	0%
2200-2600	13049	85%	13%	2%	0%
2600+	119	71%	27%	2%	—

Évolution par décennie (% des parties)

Décennie	N parties	7.Ne2	7.Ngf3	7.Ndf3	7.Qg4
1950s	300	95%	1%	4%	0%
1960s	290	92%	4%	3%	0%
1970s	681	90%	6%	3%	1%
1980s	2586	89%	9%	2%	0%
1990s	7425	89%	9%	3%	0%
2000s	12556	85%	10%	4%	0%
2010s	13216	83%	13%	3%	0%
2020s	1867	84%	12%	3%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Ne2	83%	84%	▲ +1.0%
7.Ngf3	13%	12%	▼ -0.9%
7.Ndf3	3%	3%	-0.3%
7.Qg4	0%	0%	+0.3%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Karpov, Anatoly — 8 parties
Anand, Viswanathan — 5 parties
Kramnik, Vladimir — 5 parties
Hou, Yifan — 4 parties
Ding, Liren — 3 parties
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

7.Ne2 — 85.8% (33379 parties)

1950 — Lindquist, Sture vs Letelier Martner, Rene — 1/2-1/2 — Dubrovnik olm
1950 — Schulz, Klaus-Juergen vs Kilda, Aidas — 0-1 — GER
1950 — Anderson, Frank Ross vs Paskauskas, Raymond — 1-0 — Toronto CAN
1950 — Rossolimo, Nicolas vs Schmid, Lothar — 1/2-1/2 — Dubrovnik ol
1950 — Vesely, Jiri vs Lastovicka, Jiri — 1/2-1/2 — Chocen

7.Ngf3 — 10.8% (4191 parties)

1954 — Quecke, Kurt vs Kunze, Klaus — 1-0 — Meerane
1956 — Mogren, Nils vs Liebert, Heinz — 0-1 — Uppsala
1960 — Silberman, Alejandro vs Stecko, Artur — 1-0 — corr USSR
1964 — Shahzade vs Guseinov, Khaial — 1-0 — ?
1965 — Deiseach, Donal vs Sadlier, J — 1-0 — Galway

7.Ndf3 — 3.3% (1274 parties)

1950 — Rellstab, Ludwig vs Bogoljubow, Efim — 1/2-1/2 — Bad Pyrmont GER
1950 — Langos, Jozsa vs Chaude de Silans, Chantal — 1/2-1/2 — Moscow RUS
1950 — Rellstab, Ludwig vs Schifferdecker, Wilhelm — 1-0 — Bad Pyrmont GER
1955 — Bratoszewski, Jerzy vs Balcarek, Wiktor — 1/2-1/2 — Poland ch13
1956 — Noradounghian, Georges vs Platz, Hans — 1/2-1/2 — Moskou olm

7.Qg4 — 0.1% (57 parties)

1959 — Bersbach, Emil vs Adeyeye Joseph Palmer — 1-0 — Santa Monica, CA USA
1961 — Martin, Raymond vs Aga, Rubin — 1-0 — Los Angeles, CA USA
1971 — Martin, Raymond vs Shaw, John — 1-0 — Ventura CA
1978 — Tomic, Dragoslav vs Tatai, Stefano — 1/2-1/2 — Dortmund GER
1978 — Tomic, Dragoslav vs Bakheet Farag — 0-1 — Dortmund GER