Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● d4, ● d7
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3	● b7→a6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v1)	—
Cases faibles	—	● e5
Centre	● d4 (3v1), ● e4 (1v0), ● e5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Ba4	● Ba4 Actif (mob. 4)
Be7		● Be7 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● e5-e6	● …d7-d6, ● …f7-f6

C84p — Spanish: Closed, Centre Attack, 7.Re1 O-O 8.e5 Ne8 9.c3

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4 exd4 7.Re1 O-O 8.e5 Ne8 9.c3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bb3 (Clouer f7, Fou actif (mobilité 6) — 8 % des parties) ; cxd4 (Capture en d4, Occuper le centre — 8 % des parties) ; Bxc6 (Fou actif (mobilité 6) — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...dxc3 (Capture en c3, Renforcer le centre — 69 % des parties) ; ...b5 (Expansion aile dame — 12 % des parties) ; ...d6 (Libérer Bc8 — 8 % des parties) ; ...d5 (Occuper le centre — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1952 POL-ch10 – Round 15 – Tarnowski, Alfred – 1-0 – Szymanski, Aleksander – G112 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Re1 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 d6
1953 Mitropa Cup – Round 2 – Robatsch, Karl – 1-0 – Christoffel, Martin – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Re1 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 d6
1961 Baku ch-URS – Round 3 – Kholmov, Ratmir D – 1-0 – Lein, Anatoly – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Re1 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 d6
1962 Sweden – Round 1 – Skold, Kristian – 1-0 – Buskenstrom, Sven – G31 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bb5 a6 5. Ba4 Nf6 6. O-O Be7 7. Re1 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 d6
1962 Sweden – Round 1 – Skold, Kristian – 1-0 – Nilsson, Zandor – G30 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bb5 a6 5. Ba4 Nf6 6. O-O Be7 7. Re1 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 d6
1962 Sweden – Round 1 – Skold, Kristian – 1/2-1/2 – Soderborg, Berndt – G22 1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. Bb5 a6 5. Ba4 Nf6 6. O-O Be7 7. Re1 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 d6
1965 Sinaia stud ol prel – Round 5 – Basman, Michael J – 1/2-1/2 – Enklaar, Bert – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 exd4 7. Re1 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 d6
1966 Malmo – Round 7 – Skold, Kristian – 1-0 – Soderborg, Berndt – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Re1 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 d6
Moscow 1981 – Round 1 – Timman, Jan H – 1/2-1/2 – Beliavsky, Alexander G – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 exd4 7. Re1 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 d6
SWIFT 1986 – Round 1 – Zapata, Alonso – 0-1 – Karpov, Anatoly – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Re1 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 d6

C84p — Closed, Centre Attack (1952)

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4 exd4 7.Re1 O-O 8.e5 Ne8 9.c3

Les coups candidats

9…dxc3 — 61.7% (263 parties)

Ambassadeurs : Skold, Kristian (4x), ? (4x), Soderborg, Berndt (3x), Romanishin, Oleg M (3x), Kholmov, Ratmir D (3x), Panczyk, Krzysztof (3x), Szaszak, Andras (3x), Vetemaa, Juri (3x)

9…b5 — 13.6% (58 parties)

Ambassadeurs : Norgaard, Jesper (2x), Hladik Joseph (2x), Cuartas, Jaime Alexander (2x), Sonntag, Hans-Hubert (2x), Sumiacher, Carlos (1x), Sznapik, Aleksander (1x), ? (1x), Liu, Shilan (1x)

9…d6 — 12.4% (53 parties)

Ambassadeurs : Ulianov, Y. (1x), Vatnikov, Joseph (1x), Carmona Rosales, Jose Luis (1x), Camara, Helder (1x), Gonzalez Mestres, Luis (1x), Bouaziz, Slim (1x), Ehlvest, Jaan (1x), Greenfeld, Alon (1x)

9…d5 — 7.0% (30 parties)

Ambassadeurs : Parma, Bruno (2x), Barle, Janez (2x), Glatt, Gabor (1x), Mokry, Karel (1x), Lanc, Alois (1x), Ujtumen, Tudev (1x), Broberg, Horst (1x), Kuehn, Patrick (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…dxc3	9…b5	9…d6	9…d5
<1800	18	78%	—	17%	6%
1800-2200	130	48%	13%	22%	8%
2200-2600	166	63%	16%	9%	10%
2600+	6	83%	—	17%	—

Évolution par décennie (% des parties)

Décennie	N parties	9…dxc3	9…b5	9…d6	9…d5
1950s	3	100%	—	—	—
1960s	18	78%	6%	17%	—
1970s	45	64%	7%	9%	11%
1980s	108	69%	15%	6%	7%
1990s	112	62%	16%	11%	4%
2000s	84	56%	12%	15%	10%
2010s	48	50%	17%	27%	4%
2020s	8	38%	25%	12%	25%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…dxc3	50%	38%	▼ -12.5%
9…b5	17%	25%	▲ +8.3%
9…d6	27%	12%	▼ -14.6%
9…d5	4%	25%	▲ +20.8%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 2 parties

Parties historiques

9…dxc3 — 61.7% (263 parties)

1950 — Kujoth, R. vs Olah, Francisc — 1-0 — Milwaukee, WI USA
1952 — Tarnowski, Alfred vs Szymanski, Aleksander — 1-0 — Katowice POL
1953 — Robatsch, Karl vs Christoffel, Martin — 1-0 — Vienna AUT
1961 — Kholmov, Ratmir D vs Lein, Anatoly — 1-0 — Baku ch-URS
1962 — Castagna, Renzo vs Limbos, Paul — 1-0 — Varna olm

9…b5 — 13.6% (58 parties)

1969 — Sumiacher, Carlos vs Sznapik, Aleksander — 1/2-1/2 — Stockholm SWE
1973 — Podkrajsek, Janez vs Kokotovic, G. — 1-0 — Turnir jugoslovanskih republi
1978 — Ermenkov, Evgenij vs Djuric, Stefan — 1/2-1/2 — Vrnjacka Banja SRB
1979 — Penrose, Jonathan vs Hebden, Mark L — 0-1 — Chester ch-BCF
1980 — ? vs Liu, Shilan — 1/2-1/2 — La Valetta

9…d6 — 12.4% (53 parties)

1965 — Ulianov, Y. vs Vatnikov, Joseph — 1-0 — USSR
1965 — Gonzalez Mestres, Luis vs Bouaziz, Slim — 1/2-1/2 — Wch U20 q-3 Barcelona ESP
1966 — Carmona Rosales, Jose Luis vs Camara, Helder — 1-0 — Rio Hondo zt
1975 — Kyaw Zin Latt vs Petzold, Annika — 0-1 — corr DDR-PZ
1977 — Ponelis, Albert A. vs Rubinstein, Arnold — 1-0 — Pretoria RSA

9…d5 — 7.0% (30 parties)

1972 — Tbourbi, Khaled vs Hamilton, Douglas G — 1-0 — Skopje MKD
1975 — Rohde, Michael vs Karklins, Andrew — 1-0 — Lone Pine open
1978 — Banas, Jan vs Franzen, Jozef — 0-1 — Tatran Cup Strbske Pleso
1979 — Parma, Bruno vs Barle, Janez — 1/2-1/2 — It (cat.12), Bled/Portoroz SL
1979 — Parma, Bruno vs Gligoric, Sofija — 1/2-1/2 — Bled / Portoroz