C07a — French: Tarrasch, Open

1.e4 e6 2.d4 d5 3.Nd2 c5   ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bK
bB
bN
bR
bP
bP
bP
bP
bP
bP
bP
bP
wPpawn en prise !
wPPion central
wP
wP
wP
wN
wP
wP
wP
wR
wB
wQ
wK
wBFou actif — mobilité 5
wN
wR
abcdefgh
Plans. exd5 (Capture en d5, Occuper le centre — 58 % des parties) ; Ngf3 (Développer g1 — 34 % des parties) ; c3 (Renforcer le centre — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wN
wB
wK
wQ
wB
wR
wP
wP
wP
wN
wP
wP
wP
wP
wPpawn en prise !
bP
bP
bP
bP
bP
bP
bP
bP
bR
bN
bB
bK
bQ
bB
bN
bR
hgfedcba
Plans. ...cxd4 (Capture en d4, Occuper le centre — 18 % des parties) ; ...Nc6 (Développer b8 — 14 % des parties) ; ...Nf6 (Développer g8 — 7 % des parties).
Avantages
Faiblesses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● e6→d5, f7→e6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes
Cases faibles
Centre ● e5 (1v0) ● d4 (1v0), ● d5 (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. 2)
Paire de fous ● Oui ● Oui
Non développées 5 (● g1, ● c1, ● f1, ● a1, ● h1) 6 (● b8, ● g8, ● 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 ● …e6-e5, ● …f7-f5
Partie
1938 FRA Ch – Round 2 – Rometti, Barbatto – 0-1 – Fallet Kahn, Victor – G6
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Bb5+ Nc6 5. Ngf3 a6 6. Bxc6+ bxc6 7. O-O Nf6 8. Re1 Qb6 9. c3 Be7 10. Qb3 Qa7
1950 ITA Ch – Round 1 – Siveri, Armando – 0-1 – Ricci, Piergiorgio – G2
1. e4 e6 2. d4 d5 3. Nd2 c5 4. e5 cxd4 5. Ngf3 Nc6 6. Bd3 Qc7 7. Qe2 a6 8. a3 Bc5 9. b4 Ba7 10. O-O Nge7
1962 Clare Benedict Cup – Round 5 – Alexander, Conol Hugh – 1/2-1/2 – Kupper, Josef – G17
1. e4 e6 2. d4 d5 3. Nd2 c5 4. g3 Nf6 5. Bg2 Nc6 6. Ngf3 Be7 7. O-O O-O 8. Qe2 Rb8 9. Nb3 b5 10. Bf4 Rb6
1964 Tel Aviv olm fin-B – Round 3 – Garcia Vergara, Pablo – 1-0 – Haro Garcia, Gilberto – G38
1. e4 e6 2. d4 d5 3. Nd2 c5 4. e5 Nc6 5. Ngf3 cxd4 6. Bd3 Qc7 7. Qe2 Bc5 8. a3 a5 9. Nb3 Ba7 10. Bf4 a4
1966 La Habana olm fin-C – Round 5 – Ribeiro, Joao Mario – 1/2-1/2 – Olivera, Alfredo – G15
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Bb5+ Nc6 5. Ngf3 a6 6. Bxc6+ bxc6 7. O-O cxd4 8. Nxd4 c5 9. N4f3 Nf6 10. exd5 exd5
1967 Montreal m – Round 17 – Streit, Howard – 1/2-1/2 – Brodie, Hugh – G16
1. e4 e6 2. d4 d5 3. Nd2 c5 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. dxc5 Bxc5 7. exd5 Qxd5 8. Ngf3 Nf6 9. O-O Bb6 10. Nb3 Qd7

C07a — Tarrasch Variation, Open System (1938)
1.e4 e6 2.d4 d5 3.Nd2 c5
Les coups candidats
Ambassadeurs : Uhlmann, Wolfgang (111x), Tiviakov, Sergei (90x), Vaganian, Rafael A (83x), ? (79x), Korchnoi, Viktor (68x), Psakhis, Lev (56x), Bareev, Evgeny (48x), Prandstetter, Eduard (37x)
Ambassadeurs : Jansa, Vlastimil (77x), Uhlmann, Wolfgang (73x), Vaganian, Rafael A (70x), Korchnoi, Viktor (48x), ? (39x), Glek, Igor (38x), Portisch, Ferenc (32x), Gulko, Boris (32x)
Ambassadeurs : Alieva, Alexandra (9x), Kislinsky, Alexey (6x), Martin Gonzalez, Angel (6x), Drewitz, Friedel (5x), Panyushkin, Boris Nikolaevich (5x), Crawley, Gavin (4x), Brown, Paul (4x), Wagner, Frank (4x)
Ambassadeurs : Kotan, Ladislav (11x), Denda, Ronald (9x), Erler, Ekkehard (8x), Neuschmied, Siegfried (7x), Munoz, Miguel (6x), Griffiths, Peter C (5x), Bronstein, David I (5x), Md Minhaz, Uddin (5x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.exd5 4.Ngf3 4.c3 4.dxc5
<1800 3024 52% 29% 16% 2%
1800-2200 17101 59% 31% 7% 3%
2200-2600 19126 58% 40% 1% 1%
2600+ 1053 47% 51% 0% 1%
Évolution par décennie (% des parties)
Décennie N parties 4.exd5 4.Ngf3 4.c3 4.dxc5
1950s 361 73% 20% 2% 5%
1960s 585 61% 33% 2% 3%
1970s 1628 53% 43% 2% 1%
1980s 3103 63% 33% 3% 1%
1990s 7898 65% 27% 5% 2%
2000s 11825 59% 31% 7% 2%
2010s 15426 55% 35% 7% 2%
2020s 6715 49% 45% 4% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.exd5 55% 49% ▼ -5.7%
4.Ngf3 35% 45% ▲ +9.8%
4.c3 7% 4% ▼ -3.1%
4.dxc5 2% 1% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 9 parties
Gukesh D — 6 parties
Ju, Wenjun — 5 parties
Smyslov, Vladimir — 3 parties
Smyslov, Vassily — 2 parties
Karpov, Aleksandr — 1 partie
Parties historiques
4.exd5 — 57.5% (27328 parties)
1950 — Collet, Hugo vs De Gracia Saldarriaga, Peniel Joshua — 1-0 — Aix en Provence
1950 — White, Alexander vs Gilson, Jack A — 1-0 — California
1950 — Seppelt, Alfred vs Legaspi Edmundo — 0-1 — ?
1950 — Trifunovic, Petar vs Gligoric, Sofija — 1/2-1/2 — Mar del Plata ARG
1950 — Cucka, Josef vs Formanek, Bedrich — 1/2-1/2 — Chocen
4.Ngf3 — 34.3% (16317 parties)
1950 — Keres, Paul vs Koberl, Ferenc — 1-0 — Schiavno Zdroj
1950 — LAR, Rai Joseph vs Antos, Adam — 1/2-1/2 — Chocen
1950 — Vesely, Jiri vs Cucka, Josef — 1/2-1/2 — Chocen
1950 — De Freitas, Marcio Elisio vs Gligoric, Svetozar — 0-1 — Mar del Plata ARG
1950 — Baldanello, Mario vs Aguayo, Cesar — 1/2-1/2 — Venice ITA
4.c3 — 5.7% (2705 parties)
1950 — Unruh, Heinrich vs Schwarz, Leonhard — 0-1 — Bretten
1951 — Salas Romo, Julio vs Del Solar, W. — 1-0 — Santiago de Chile
1953 — Johansson, Inge V vs Johnsson, Hans — 0-1 — Kristiansand simul
1957 — Siveri, Armando vs Lilloni Luciano — 1/2-1/2 — San Benedetto
1958 — Schwartz, Edward vs Owens, Brian — 0-1 — New York, NY USA
4.dxc5 — 1.9% (885 parties)
1950 — Martin, Raymond vs Aga, Rubin — 1-0 — Los Angeles, CA USA
1950 — Chaude de Silans, Chantal vs Tranmer, Eileen — 0-1 — Moscow RUS
1951 — Letelier Martner, Rene vs Esposito, Alfredo — 1/2-1/2 — Mar del Plata ARG
1951 — Martin, Raymond vs Gonzalez, Juan Dr — 0-1 — Forth Worth
1951 — Pedersen, Eigil vs Heidenfeld, Wolfgang — 1-0 — Marianske Lazne zt