Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● b4 (2v0)
Cases faibles	● d4	● e5
Centre	—	● d4 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● e	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb5	● Bb5 Actif (mob. 6)
Bd6		● Bd6 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Clouages	—	● knight c6
Non développées	2 (● c1, ● a1)	4 (● g8, ● c8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c2-c4	—

C09d — French: Tarrasch, Open, 7.O-O

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6 6.Bb5 Bd6 7.O-O * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. dxc5 (Capture en c5, Frapper le centre adverse — 71 % des parties) ; Nb3 (18 % des parties) ; c4 (Frapper le centre adverse — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Ne7 (Développer g8 — 78 % des parties) ; ...cxd4 (Capture en d4, Occuper le centre — 21 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1951 Moskou ch-URS – Round ? – Averbakh, Yuri L – 1/2-1/2 – Botvinnik, Mikhail – G132 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Bd6 7. O-O cxd4 8. Nb3 Ne7 9. Bxc6+ Nxc6 10. Re1+ Be7
1961 Bled – Round 6 – Keres, Paul – 1-0 – Portisch, Lajos – G59 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. O-O Ne7 8. c4 O-O 9. dxc5 Bxc5 10. Nb3 Bb6
1962 Mar del Plata Latin – Round 12 – Garcia Rodriguez, Raimundo – 1-0 – Foguelman, Alberto – G15 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. O-O Ne7 8. c4 O-O 9. Bxc6 bxc6 10. dxc5 Bxc5
1962 Torremolinos zt – Round 1 – Scafarelli, Francesco – 1/2-1/2 – Toran Albero, Roman – G42 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. O-O Ne7 8. c4 O-O 9. dxc5 Bxc5 10. Nb3 Bb6
1964 Capablanca Memorial – Round 16 – Jimenez Zerquera, Eleazar – 0-1 – Stahlberg, Gideon – G164 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Bd6 7. O-O c4 8. b3 cxb3 9. c4 Ne7 10. cxd5 Nxd5
1966 Tbilisi ch-URS – Round 11 – Gipslis, Aivars – 1/2-1/2 – Krogius, Nikolai V – G102 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. O-O Ne7 8. c4 O-O 9. dxc5 Bxc5 10. Nb3 Bd6
1967 URS-ch35 – Round 1 – Tseitlin, Mark D – 0-1 – Osnos, Viatcheslav – G86 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. O-O Ne7 8. c4 O-O 9. cxd5 Nxd4 10. Nxd4 cxd4
1968 IBM – Round 6 – Ivkov, Borislav – 1/2-1/2 – Donner, Jan-Hein – G25 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Bd6 7. O-O Ne7 8. c4 O-O 9. dxc5 Bxc5 10. Nb3 Bb6
1968 WchT U26 – Round ? – Zwaig, Arne – 1/2-1/2 – Keene, Raymond D – G63 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. O-O Ne7 8. c4 a6 9. cxd5 axb5 10. dxc6 c4
1969 Capablanca Memorial – Round 13 – Parma, Bruno – 1/2-1/2 – Uhlmann, Wolfgang – G99 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. O-O cxd4 8. Nb3 Ne7 9. Bxc6+ Nxc6 10. Nbxd4 O-O
1969 Hoogovens – Round 14 – Geller, Efim P – 1/2-1/2 – Botvinnik, Mikhail – G120 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. O-O cxd4 8. Re1+ Ne7 9. Nxd4 O-O 10. N2f3 Bg4
1969 JUG-URS – Round ? – Geller, Efim P – 1/2-1/2 – Ivkov, Borislav – G20 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. O-O cxd4 8. Nxd4 Bxh2+ 9. Kxh2 Qh4+ 10. Kg1 Qxd4
Ruy Lopez Memorial 1975 – Round 15 – Tatai, Stefano – 1/2-1/2 – Ljubojevic, Ljubomir – G36 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Bd6 7. O-O Ne7 8. c4 O-O 9. dxc5 Bxc5 10. Nb3 Bb6 1/2-1/2

C09d — Tarrasch, Open (1951)

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6 6.Bb5 Bd6 7.O-O

Les coups candidats

7…Ne7 — 75.8% (1374 parties)

Ambassadeurs : Matulovic, Milan (14x), Krogius, Nikolai V (9x), Portisch, Ferenc (9x), ? (9x), Casper, Thomas (9x), Matanovic, Aleksandar (8x), Vogt, Lothar (6x), Vastrukhin, Oleg (6x)

7…cxd4 — 22.8% (413 parties)

Ambassadeurs : Uhlmann, Wolfgang (26x), Gulko, Boris (6x), Vaganian, Rafael A (6x), Geller, Efim P. (5x), Matulovic, Milan (5x), Walther, Edgar (4x), Tukmakov, Vladimir B (3x), Jansa, Vlastimil (3x)

7…c4 — 0.4% (8 parties)

Ambassadeurs : Jimenez Zerquera, Eleazar (1x), Stahlberg, Gideon (1x), Bellin, Robert (1x), Borngaesser, Rene (1x), Manetta, John (1x), Cai, Jeffery (1x), Wahls, Matthias (1x), Schmittdiel, Eckhard (1x)

7…Bg4 — 0.4% (8 parties)

Ambassadeurs : Besel, Waldemar (2x), Szollosi, Laszlo (1x), Czeripp, Gyorgy (1x), Rasmussen, Karsten (1x), Uhde Madsen, Soren (1x), Rott, George (1x), Schneider, Henning (1x), Friedrich, Wolfgang (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…Ne7	7…cxd4	7…c4	7…Bg4
<1800	47	68%	32%	—	—
1800-2200	494	83%	15%	0%	1%
2200-2600	692	72%	27%	1%	0%
2600+	18	56%	44%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7…Ne7	7…cxd4	7…c4	7…Bg4
1950s	27	96%	4%	—	—
1960s	82	88%	10%	1%	—
1970s	260	60%	38%	1%	0%
1980s	301	70%	29%	—	0%
1990s	421	79%	19%	0%	1%
2000s	372	77%	21%	0%	0%
2010s	285	81%	16%	1%	1%
2020s	64	88%	12%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…Ne7	81%	88%	▲ +6.4%
7…cxd4	16%	12%	▼ -4.0%
7…c4	1%	0%	▼ -1.1%
7…Bg4	1%	0%	▼ -0.7%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 6 parties
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 1 partie
Karpov, Aleksandr — 1 partie

Parties historiques

7…Ne7 — 75.8% (1374 parties)

1950 — Rossolimo, Nicolas vs Gligoric, Sofija — 1/2-1/2 — Mar del Plata ARG
1950 — Nemec, Janez vs Kukovec, Ivan — 0-1 — Maribor
1951 — Aguero, Cruz vs Barker, Malcolm Neil — 1/2-1/2 — Birmingham/Coventry
1951 — Rossetto, Hector vs Esposito, Alfredo — 1-0 — Mar del Plata ARG
1951 — Madaminov, Mukhiddin vs Petrosian, Tigran V. — 1/2-1/2 — Tashkent UZB

7…cxd4 — 22.8% (413 parties)

1951 — Averbakh, Yuri L vs Botvinnik, Mikhail — 1/2-1/2 — Moskou ch-URS
1969 — Matanovic, Aleksandar vs Uhlmann, Wolfgang — 1/2-1/2 — Raach
1969 — Geller, Efim P. vs Botvinnik, Mikhail — 1/2-1/2 — Wijk aan Zee NED
1969 — Parma, Bruno vs Uhlmann, Wolfgang — 1/2-1/2 — Havana CUB
1969 — Geller, Efim P. vs Ivkov, Borislav — 1/2-1/2 — Skopje MKD

7…c4 — 0.4% (8 parties)

1964 — Jimenez Zerquera, Eleazar vs Stahlberg, Gideon — 0-1 — Havana CUB
1974 — Bellin, Robert vs Borngaesser, Rene — 1/2-1/2 — Winterthur
1976 — Manetta, John vs Cai, Jeffery — 1/2-1/2 — Kuortane
1990 — Wahls, Matthias vs Schmittdiel, Eckhard — 1/2-1/2 — GER
2006 — Oral, Tomas vs Weiss, Augustin — 1-0 — Czech Rep CZE

7…Bg4 — 0.4% (8 parties)

1979 — Rasmussen, Karsten vs Uhde Madsen, Soren — 1/2-1/2 — Odense DEN
1981 — Szollosi, Laszlo vs Czeripp, Gyorgy — 0-1 — Budapest HUN
1993 — Rott, George vs Besel, Waldemar — 0-1 — GER
1993 — Rott, Georg vs Besel, Waldemar — 0-1 — GER
1997 — Schneider, Henning vs Friedrich, Wolfgang — 0-1 — Postbauer

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