Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● e4 (2v1)
Cases faibles	—	—
Centre	● e5 (1v0)	● d5 (3v0), ● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	5 (● g1, ● c1, ● f1, ● a1, ● h1)	5 (● b8, ● 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	● c2-c4	—

C05b — French: Tarrasch, Closed, 4.e5

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bd3 (Fou actif (mobilité 9), Développer f1 — 55 % des parties) ; f4 (Attaque à l'aile roi — 22 % des parties) ; c3 (Renforcer le centre — 18 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nfd7 (97 % des parties) ; ...Ne4 (Cavalier centralisé en e4 — 2 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

├── C05d - 4…Nfd7 - Tarrasch, Closed (1939) [+0.59] · 356 parties

│ ├── C05n - 5.Bd3 - Tarrasch (1936) [+0.33] · 177 parties

│ │ ├── C05p - 5…c5 6.c3 Nc6 - French Defense: Tarrasch Variation, Closed Variation [+0.21] · 99 parties

│ │ │ ├── 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

│ │ ├── C05o - 5…c5 6.c3 b6 - French Defense: Tarrasch Variation, Botvinnik Variation (1939) [+1.01] · 47 parties

│ │ └── C05n - 5…* - Tarrasch · 31 parties

│ ├── C05e - 5.f4 - French Defense: Tarrasch Variation, Pawn Center Variation (1944) [+0.62] · 160 parties

│ │ ├── C05f - 5…c5 6.c3 Nc6 - Tarrasch, Closed (1900) [+0.60] · 141 parties

│ │ │ ├── C05g - 7.Ndf3 - Tarrasch, Closed (1935) [+0.67] · 133 parties (dont 1 ici)

│ │ │ │ ├── C05i - 7…Qb6 - Tarrasch, Closed (1960) [+0.65] · 79 parties

│ │ │ │ │ ├── C05l - 8.g3 - Tarrasch, Closed (1962) [+0.37] · 43 parties

│ │ │ │ │ │ ├── C05l - 8…cxd4 9.cxd4 - Tarrasch, Closed (1952) [+0.62] · 33 parties

│ │ │ │ │ │ └── C05l - 8…* - Tarrasch, Closed · 10 parties

│ │ │ │ │ ├── C05k - 8.Ne2 - Tarrasch, Closed (1907) [+0.24] · 29 parties

│ │ │ │ │ │ ├── C05k - 8…* - Tarrasch, Closed · 25 parties

│ │ │ │ │ │ └── C05k - 8…cxd4 9.cxd4 - Tarrasch, Closed (1907) [+0.63] · 4 parties

│ │ │ │ │ ├── C05i - 8.* - Tarrasch, Closed · 5 parties

│ │ │ │ │ └── C05j - 8.h4 - Tarrasch, Closed [+0.61] · 2 parties

│ │ │ │ │ └── C05j - 8…cxd4 9.cxd4 - Tarrasch, Closed (1988) [+0.59] · 2 parties

│ │ │ │ ├── C05g - 7…* - Tarrasch, Closed · 30 parties

│ │ │ │ └── C05h - 7…cxd4 - Tarrasch, Closed (1903) [+0.69] · 23 parties

│ │ │ └── C05f - 7.* - Tarrasch, Closed · 8 parties

│ │ └── C05e - 5…* - Tarrasch Variation, Pawn Center Variation · 19 parties

│ ├── C05d - 5.* - Tarrasch, Closed · 13 parties

│ └── C05m - 5.c3 - Tarrasch, Closed (1954) [+0.67] · 6 parties

├── C05b - 4…* - Tarrasch, Closed · 28 parties

└── C05c - 4…Ne4 - Tarrasch, Closed (1988) [+0.85] · 4 parties

├── C05c - 5.Nxe4 - Tarrasch, Closed (1954) [+0.85] · 3 parties

└── C05c - 5.* - Tarrasch, Closed · 1 partie

Les parties, variante par variante

1356 partiesC05d - 4…Nfd7 - Tarrasch, Closed (1939)

24 partiesC05c - 4…Ne4 - Tarrasch, Closed (1988)

C05b — Tarrasch, Closed (1947)

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5

Les coups candidats

4…Nfd7 — 97.0% (56353 parties) →

Ambassadeurs : Jovanovic, Bratislav M (121x), Bakheet Farag (116x), Gleizerov, Evgeny (113x), ? (87x), Ulybin, Mikhail (86x), Moskalenko, Viktor (77x), Prandstetter, Eduard (75x), Uhlmann, Wolfgang (57x)

4…Ne4 — 2.1% (1225 parties) →

Ambassadeurs : Cugini, Verter (31x), Weyerstrass, Ronald (25x), Kepinski, Janusz (19x), Konca, Damian (14x), Maksimovic, Branimir (13x), Catania, Duane (13x), Alexopoulos, Georgios 94 (11x), Malaniuk, Vladimir P (10x)

4…Ng8 — 0.8% (479 parties)

Ambassadeurs : Gonzalez Rodriguez, Jorge A. (20x), Astengo, Marcello (15x), Zilberman, Nathan R (10x), Lastovicka, Jiri (8x), Smederevac, Petar (5x), Nikolic, Zivoslav (5x), Hook, William (5x), Galinsky, Timofey (5x)

4…Nbd7 — 0.0% (6 parties)

Ambassadeurs : Fischer, Neville R (1x), Chen, Yanxi Lolly (1x), Fazilleau, Jerome (1x), Van Bommel, Ton (1x), Botwinovskyy, Borys (1x), Huelle, Gunter (1x), Markoja, Johann (1x), Santamaría Navarro, Floreal (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…Nfd7	4…Ne4	4…Ng8	4…Nbd7
<1800	3897	98%	2%	1%	0%
1800-2200	26054	98%	2%	1%	0%
2200-2600	19112	97%	2%	1%	—
2600+	153	99%	1%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	4…Nfd7	4…Ne4	4…Ng8	4…Nbd7
1950s	379	97%	0%	3%	—
1960s	590	95%	0%	5%	—
1970s	1377	93%	3%	3%	—
1980s	4310	95%	4%	1%	—
1990s	11932	95%	4%	1%	0%
2000s	18197	98%	2%	1%	0%
2010s	18422	98%	1%	1%	0%
2020s	2863	99%	1%	1%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…Nfd7	98%	99%	+0.3%
4…Ne4	1%	1%	-0.3%
4…Ng8	1%	1%	-0.1%
4…Nbd7	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 8 parties
Botvinnik, Mikhail — 7 parties
Anand, Viswanathan — 7 parties
Hou, Yifan — 6 parties
Kramnik, Vladimir — 5 parties
Ding, Liren — 4 parties
Carlsen, Magnus — 2 parties

Parties historiques

4…Nfd7 — 97.0% (56353 parties)

1950 — Grosser, Wilhelm vs Ruppe, Otto — 0-1 — Soemmerda GER
1950 — Walther, Edgar vs Vogel, Wolfgang — 0-1 — corr FRG jr
1950 — Limbos, Paul vs Lemaire, Robert — 1/2-1/2 — Gent
1950 — Lindquist, Sture vs Letelier Martner, Rene — 1/2-1/2 — Dubrovnik olm
1950 — Rellstab, Ludwig vs Bogoljubow, Efim — 1/2-1/2 — Bad Pyrmont GER

4…Ne4 — 2.1% (1225 parties)

1953 — Ivkov, Borislav vs Siemms, Ross E — 1/2-1/2 — Copenhagen Wch-jr pr
1969 — Augustinova, Milada vs Kosina, Vladimir — 1-0 — Cihak
1970 — Parma, Bruno vs Maschian, Houschang — 1-0 — Reggio Emilia ITA
1972 — Kostro, Jerzy vs Bednarski, Jacek — 1/2-1/2 — Poland
1972 — Alburt, Lev vs Bednarski, Jacek — 1/2-1/2 — Lublin POL

4…Ng8 — 0.8% (479 parties)

1955 — Bereczki, Peter vs Ivanfi, Kalman — 1-0 — Pecs
1957 — Aronin, Lev vs Spassky, Boris Vasily — 1/2-1/2 — Moscow RUS
1957 — Karaklaic, H vs Korchnoi, Viktor — 1/2-1/2 — Leningrad USSR-Yugos
1957 — Aadhitha Karikalan vs Korchnoi, Viktor — 1/2-1/2 — Leningrad RUS
1958 — Alexander G vs G.k.p., Rubel — 1-0 — Tashkent UZB

4…Nbd7 — 0.0% (6 parties)

1996 — Fischer, Neville R vs Chen, Yanxi Lolly — 1-0 — ICCF Email
2002 — Fazilleau, Jerome vs Van Bommel, Ton — 1-0 — IECG
2007 — Botwinovskyy, Borys vs Huelle, Gunter — 1/2-1/2 — Leipzig GER
2012 — Markoja, Johann vs Santamaría Navarro, Floreal — 1-0 — ICCF
2015 — Schuster, Petra vs Baron, Margaret — 1-0 — ICCF

C05b - 4…* - Tarrasch, Closed (28)

Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes● d4→e5● e6→d5, f7→e6Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes—● e4 (2v1)Cases faibles——Centre● e5 (1v0)● d5 (3v0), ● e4 (2v1) Colonnes et diagonales ♔ Blancs♚ Noirs Pièces ♔ Blancs♚ NoirsBc1● Bc1 Non développé (mob. 0)Bf1● Bf1 Non développé (mob. 5)Bc8● Bc8 Non développé (mob. 1)Bf8● Bf8 Non développé (mob. 5)Paire de fous● Oui● OuiNon développées5 (● g1, ● c1, ● f1, ● a1, ● h1)5 (● b8, ● c8, ● f8, ● a8, ● h8) Sécurité du roi ♔ Blancs♚ NoirsStatut● Au centre● Au centreDroits de roqueO-O / O-O-OO-O / O-O-O…

C05b - 4…* - Tarrasch, Closed (28)