Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c6
Pions isolés	—	—
Arriérés	—	—
Chaînes	● e2→f3, g2→f3	● b7→c6
Passés	—	—
Majorité	—	● aile dame 4v2

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bf5		● Bf5 Actif (mob. 10)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (● c1, ● f1, ● a1, ● h1)	3 (● 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	mobile
Ruptures	● d4-d5	● …c6-c5

D17g — Slav: Central, 6.Ne5 Na6 7.f3

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 Na6 7.f3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nxc4 (Cavalier actif en c4 — 62 % des parties) ; e4 (Occuper le centre — 21 % des parties) ; Nxd7 (11 % des parties) ; Bf4 (Fou actif (mobilité 6), Développer c1 — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nd7 (79 % des parties) ; ...Nb4 (11 % des parties) ; ...e6 (Poussée — 11 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1933 Paris – Round 9 – Frentz, M. – 0-1 – Znosko-Borovsky, Eugene – G23 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Na6 7. f3 Nd7 8. Nxc4 e5 9. e4 exd4 10. Qxd4 Nb4
1951 Hungary Ch – Round 11 – Benko, Pal – 1-0 – Fuster, Geza – G52 1. c4 Nf6 2. d4 c6 3. Nf3 d5 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Na6 7. f3 Nd7 8. Nxd7 Qxd7 9. e4 Bg6 10. Bxc4 e6
1952 Helsinki olm – Round 1 – Aloni, Itzchak – 1-0 – Enevoldsen, Harald – G24 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 Na6 7. f3 Nd7 8. Nxc4 e5 9. e4 exd4 10. Ne2 Bb4+
1957 CAN Ch – Round 4.1 – Joyner, Lionel – 0-1 – Fuster, Geza – G9 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Na6 7. f3 Nd7 8. Nxc4 e5 9. e4 exd4 10. Qxd4 Nb4
1958 Portoroz Interzonal – Round 19 – Neikirkh, Oleg – 1-0 – Fuster, Geza – G175 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Na6 7. f3 Nd7 8. Nxd7 Bxd7 9. e4 e5 10. Bxc4 exd4
1967 URS-ch35 – Round 1 – Bagirov, Vladimir – 1-0 – Sakharov, Yuri G. – G15 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Na6 7. f3 Nd7 8. Nxd7 Bxd7 9. e4 e5 10. dxe5 Be6
Amber Blindfold 2007 – Round 1 – Radjabov, Teimour – 0-1 – Kramnik, Vladimir – G2 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 Na6 7. f3 Nd7 8. Nxc4 e5 9. e4 exd4 10. Nb5 Bb4+
Thessaloniki olm 1984 – Round 12 – Kouatly, Bachar – 0-1 – Vaganian, Rafael A – G74 1. c4 Nf6 2. Nc3 d5 3. d4 dxc4 4. Nf3 c6 5. a4 Bf5 6. Ne5 Na6 7. f3 Nd7 8. Nxc4 e5 9. e4 exd4 10. Qxd4 Nb4
World Blitz 2017 – Round 12.39 – Adly, Ahmed – 0-1 – Mchedlishvili, Mikheil – G633 1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Na6 7. f3 Nd7 8. Nxc4 e5 9. dxe5 Qh4+ 10. g3 Qxc4

D17g — Central (1933)

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 Na6 7.f3

Les coups candidats

7…Nd7 — 85.3% (238 parties)

Ambassadeurs : Fuster, Geza (3x), Timofeev, Andrei (3x), Enevoldsen, Harald (2x), Bagirov, Vladimir (2x), Partos, Charles (2x), Meduna, Eduard (2x), Neamtu, Serban-Constantin (2x), Nepomnishay, Mikhail I. (2x)

7…Nb4 — 6.8% (19 parties)

Ambassadeurs : Nepomnishay, Mikhail I. (2x), Rusakov, Jury (2x), Lilloni Luciano (1x), Emden, Hermann (1x), Douven, Rudy (1x), Bierenbroodspot, Paul (1x), Bareev, Evgeny (1x), Ignatiev, Felix N (1x)

7…e6 — 6.1% (17 parties)

Ambassadeurs : Hadi, Adrian (1x), Cuijpers, Frans Andre (1x), Moss, Ronald (1x), Hartston, William R (1x), Pytel, Krzysztof (1x), Paoli, Enrico (1x), Grivas, Efstratios (1x), Pandavos, Panayotis (1x)

7…c5 — 1.1% (3 parties)

Ambassadeurs : Simantsev, Mikhail (1x), Maratkanov, Evgeny (1x), Vogel, Joerg (1x), Engelhardt, Corinna (1x), Remicio Duque, John H. (1x), Cardozo Munar, Carlos Eduardo (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…Nd7	7…Nb4	7…e6	7…c5
<1800	6	67%	17%	17%	—
1800-2200	84	80%	7%	8%	2%
2200-2600	162	91%	6%	2%	1%
2600+	6	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7…Nd7	7…Nb4	7…e6	7…c5
1950s	6	83%	17%	—	—
1960s	3	33%	—	67%	—
1970s	6	83%	—	17%	—
1980s	19	74%	21%	5%	—
1990s	47	91%	2%	6%	—
2000s	76	87%	5%	4%	3%
2010s	101	84%	8%	6%	1%
2020s	21	90%	5%	5%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…Nd7	84%	90%	▲ +6.3%
7…Nb4	8%	5%	▼ -3.2%
7…e6	6%	5%	▼ -1.2%
7…c5	1%	0%	▼ -1.0%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 1 partie

Parties historiques

7…Nd7 — 85.3% (238 parties)

1951 — Benko, Pal vs Fuster, Geza — 1-0 — Budapest HUN
1951 — Hjorth, Sune vs Enevoldsen, Harald — 0-1 — Halmstad
1952 — Aloni, Itzchak vs Enevoldsen, Harald — 1-0 — Helsinki olm
1957 — Joyner, Lionel vs Fuster, Geza — 0-1 — Vancouver
1958 — Neikirkh, Oleg vs Fuster, Geza — 1-0 — Portoroz SLO

7…Nb4 — 6.8% (19 parties)

1957 — Lilloni Luciano vs Emden, Hermann — 1/2-1/2 — San Benedetto
1984 — Douven, Rudy vs Bierenbroodspot, Paul — 1/2-1/2 — Eindhoven NED
1984 — Bareev, Evgeny vs Ignatiev, Felix N — 1-0 — SSSR
1987 — Nepomnishay, Mikhail I. vs Rusakov, Jury — 1-0 — Leningrad RUS
1987 — Nepomnishay, Mikhail I. vs Rusakov, Jury — 1-0 — ?

7…e6 — 6.1% (17 parties)

1962 — Hadi, Adrian vs Cuijpers, Frans Andre — 0-1 — Vlissingen NLD-ENG
1962 — Moss, Ronald vs Hartston, William R — 1-0 — Whitby
1974 — Pytel, Krzysztof vs Paoli, Enrico — 1-0 — Dortmund GER
1983 — Grivas, Efstratios vs Pandavos, Panayotis — 1/2-1/2 — Athens GRE
1990 — Popov, Alexander vs Koskin, Oleg — 1-0 — Bankia

7…c5 — 1.1% (3 parties)

2000 — Simantsev, Mikhail vs Maratkanov, Evgeny — 1-0 — Kharkov UKR
2007 — Vogel, Joerg vs Engelhardt, Corinna — 1/2-1/2 — Heusweiler
2015 — Remicio Duque, John H. vs Cardozo Munar, Carlos Eduardo — 0-1 — Medellin COL