Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c5
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→a3, f2→e3, e3→d4	● f7→e6
Passés	—	—
Majorité	—	● aile dame 4v2

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 3)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (● c1, ● f1, ● a1, ● h1)	4 (● 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	mobile
Ruptures	● d4-d5	● …e6-e5

D40k — QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3 dxc4

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.a3 dxc4 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bxc4 (Fou actif (mobilité 9), Développer f1 — 99 % des parties) ; dxc5 (Capture en c5, Frapper le centre adverse — 1 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...a6 (Préparer expansion aile dame — 55 % des parties) ; ...Be7 (Développer f8 — 23 % des parties) ; ...cxd4 (Capture en d4, Occuper le centre — 20 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
11. Norway Chess 2023 – Round 2.3 – Gukesh D – 0-1 – Nakamura, Hikaru – G8 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Bd3 Bb7 10. Re1 Qc7
11. Tal Mem Rapid 2018 – Round 6.2 – Nepomniachtchi, Ian – 1/2-1/2 – Gelfand, Boris – G27 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. e3 e6 5. d4 d5 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. Qe2 Qc7
1905 It (Men) Barmen GER – Round 1 – Bogoljubow, Efim – 1/2-1/2 – Larsson, Anders 1955 – G84 1. Nf3 d5 2. d4 c5 3. e3 Nc6 4. c4 e6 5. Nc3 Nf6 6. a3 dxc4 7. Bxc4 a6 8. dxc5 Qxd1+ 9. Kxd1 Bxc5 10. b4 Be7
1907 It (Men) San Sebastian ESP – Round 2 – Neumann, Augustin – 1-0 – John, Walter – G4 1. d4 d5 2. Nf3 c5 3. e3 e6 4. c4 Nf6 5. a3 Nc6 6. Nc3 dxc4 7. Bxc4 a6 8. O-O b5 9. Bd3 Bb7 10. dxc5 Bxc5
1907 Karlsbad – Round 1 – Berger, Jacob – 1/2-1/2 – Wolf Heinrich – G4 1. d4 d5 2. e3 Nf6 3. c4 e6 4. Nf3 c5 5. a3 Nc6 6. Nc3 dxc4 7. Bxc4 a6 8. dxc5 Qxd1+ 9. Kxd1 Bxc5 10. b4 Bd6
1907 Karlsbad – Round 1 – Vidmar Milan – 1/2-1/2 – Berger, Jacob – G19 1. d4 d5 2. c4 e6 3. Nc3 c5 4. Nf3 Nc6 5. e3 Nf6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Bd3 Bb7 10. dxc5 Bxc5
1907 Ostende II – Round 7 – Billecard, Moritz – 0-1 – Znosko-Borovsky, Eugene – G83 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. Nc3 Nf6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Bd3 Bb7 10. dxc5 Bxc5
1907 Ostende II – Round 7 – Salwe, Georg – 1-0 – Schories, Georg – G81 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. dxc5 Bxc5
1907 Vienna – Round 1 – Schlechter, Carl – 1-0 – Maroczy, Geza – G2 1. d4 d5 2. Nf3 c5 3. e3 e6 4. c4 Nf6 5. a3 Nc6 6. Nc3 dxc4 7. Bxc4 a6 8. O-O b5 9. Bd3 Bb7 10. dxc5 Bxc5
1908 Tunbridge Wells – Round 2 – Lee, Francis J – 1/2-1/2 – Michell, Reginald – G1 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. Nc3 Nf6 6. a3 dxc4 7. Bxc4 a6 8. dxc5 Qxd1+ 9. Nxd1 Bxc5 10. b4 Ba7
1909 It (Men) St Petersburg RUS – Round 15 – Salwe, Georg – 1/2-1/2 – Teichmann, Richard – G51 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. dxc5 Qxd1+ 9. Kxd1 Bxc5 10. b4 Bd6
1909 It (Men) St Petersburg RUS – Round 17 – Salwe, Georg – 1-0 – Forgacs, Leo – G57 1. d4 d5 2. Nf3 c5 3. e3 3. ... Nc6 4. c4 e6 5. Nc3 Nf6 6. a3 dxc4 7. Bxc4 a6 8. O-O Be7 9. dxc5 Bxc5 10. Qe2 O-O
1910 Hamburg Hauptturnier-A – Round 1 – Busch de Brito, Calvin – 0-1 – Ahues, Carl – G1 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Bd3 Bb7 10. Qe2 Qc7
1913 Scheveningen – Round ? – Speijer, Abraham – 0-1 – Lasker, Edward – G35 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. Bd3 b5 9. dxc5 Bxc5 10. b4 Bd6
1922 Bad Pistyan Breyer Memorial-A – Round 18 – Przepiorka, Dawid – 1/2-1/2 – Treybal, Karel – G57 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. e3 c5 5. Nc3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Bd3 Bb7 10. dxc5 Bxc5
1935 Copenhagen – Round 1 – Andersen, Erik – 1-0 – Enevoldsen, Jens – G3 1. d4 d5 2. Nf3 c5 3. c4 e6 4. e3 Nc6 5. Nc3 Nf6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. Qe2 Qc7
1935 Warsaw olm – Round 15 – Rosselli del Turco, Stefano – 1/2-1/2 – Enevoldsen, Jens – G57 1. d4 d5 2. Nf3 c5 3. c4 e6 4. e3 Nc6 5. Nc3 Nf6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. Qe2 Qc7
1936 Mar del Plata – Round 2 – Guimard, Carlos E – 1-0 – Hounie Fleurquin, Carlos – G16 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c5 5. Nc3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Bd3 Bb7 10. dxc5 Bxc5
1938 Lodz – Round 1 – Regedzinski, Theodor – 0-1 – Stahlberg, Gideon – G41 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. dxc5 Qxd1+ 9. Kxd1 Bxc5 10. b4 Bd6
1941 Brno zupni sjezd – Round 4 – Saemisch, Friedrich – 1/2-1/2 – Koska, Jiri – G5 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 Be7 8. O-O O-O 9. Bd3 a6 10. dxc5 Bxc5
1947 Leningrad ch-URS – Round 8 – Ufimtsev, Anatoly – 1/2-1/2 – Goldenov, Boris P – G86 1. c4 Nf6 2. d4 e6 3. Nf3 c5 4. Nc3 d5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. d5 Nxd5
1952 Helsinki olm – Round 1 – Pytlakowski, Andrzej – 0-1 – Oren, Menachem – G93 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. Bd3 Qc7 9. O-O cxd4 10. exd4 Be7
1952 Liberation – Round 14 – Pirc, Vasja – 1-0 – O'Kelly, Albéric de Galway – G39 1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. d5 exd5
1952 Saltsjobaden Interzonal – Round 3 – Petrosian, Tigran A. – 1/2-1/2 – Prins, Laura – G24 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. Qe2 Qc7
1953 Mitropa Cup – Round 5 – Trifunovic, Petar – 1/2-1/2 – Unzicker, Wolfgang – G26 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. dxc5 Qxd1+ 9. Kxd1 Bxc5 10. Ke2 Ke7
1955 Prague tm Prague CZE – Round 6 – Szily, Jozsef – 1-0 – Gawlikowski, Stanislaw – G36 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Nc3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O cxd4 9. exd4 b5 10. Ba2 Be7
1957 EU Team Ch – Round 4 – Tal, Mikhail – 0-1 – Kozma, Julius – G29 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 c5 5. d4 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. Qe2 Be7
1960 Budapest zt – Round 12 – Clarke, Peter H – 1-0 – Prameshuber, Alexander – G67 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. dxc5 Qxd1+ 9. Kxd1 Bxc5 10. b4 Bd6
1960 Buenos Aires ch-ARG – Round 7 – Bazan, Osvaldo – 1/2-1/2 – Eliskases – G46 1. d4 Nf6 2. Nf3 c5 3. e3 d5 4. c4 e6 5. Nc3 Nc6 6. a3 dxc4 7. Bxc4 Be7 8. O-O O-O 9. dxc5 Qxd1 10. Rxd1 Bxc5
1960 Leningrad tt – Round 7 – Nikolaevsky, Yuri V – 1-0 – Baumbach, Friedrich, Dr. – G88 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nc6 5. Nf3 Nf6 6. a3 dxc4 7. Bxc4 Be7 8. O-O O-O 9. Bd3 a6 10. dxc5 Bxc5
1961 Bled – Round 7 – Bisguier, Arthur B – 1/2-1/2 – Parma, Bruno – G65 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 e6 5. d4 d5 6. a3 dxc4 7. Bxc4 Be7 8. O-O O-O 9. dxc5 Bxc5 10. b4 Bd6
1963 YMCA – Round 3 – Bielicki, Carlos – 1-0 – Gershman, J. – G4 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Bd3 Bb7 10. dxc5 Bxc5
1964 Tel Aviv olm fin-C – Round 7 – Cuellar Gacharna, Miguel – 1-0 – Keogh, Edward – G42 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Nc3 Nc6 6. a3 dxc4 7. Bxc4 Be7 8. O-O O-O 9. dxc5 Bxc5 10. b4 Bd6
1965 Hamburg etc – Round 10 – Ghitescu, Theodor – 1/2-1/2 – Bilek, Istvan – G141 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O Be7 9. dxc5 Qxd1 10. Rxd1 Bxc5
1966 ARMIES-ch3 Prague CZE – Round 12 – Adamski, Jan – 1/2-1/2 – Bobotsov, Milko G – G23 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 c5 5. Nc3 Nc6 6. a3 dxc4 7. Bxc4 Be7 8. O-O O-O 9. dxc5 Bxc5 10. b4 Be7
1966 URS Ch sf Orel – Round 1 – Savon, Vladimir – 1-0 – Roizman, Abram Y – G5 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. d5 exd5 10. Bxd5 Bb7
1967 Budva – Round 1 – Ivkov, Borislav – 1/2-1/2 – Tal, Mikhail – G2 1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. e3 d5 5. d4 Nc6 6. a3 dxc4 7. Bxc4 a6 8. dxc5 Qxd1+ 9. Kxd1 Bxc5 10. b4 Bd6
1968 Lugano olm - Round 1 - Bobotsov, Milko G - 1/2-1/2 - Yanofsky, Daniel Abraham - G38 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. e3 d5 5. d4 e6 6. a3 dxc4 7. Bxc4 Be7 8. O-O O-O 9. Qd3 a6 10. Rd1 Qc7
43. Olympiad 2018 – Round 9.9 – Gelfand, Boris – 1/2-1/2 – Leko, Peter – G623 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. Qe2 cxd4
85. Tata Steel Masters 2023 – Round 12.3 – Carlsen, Magnus – 1/2-1/2 – Praggnanandhaa R – G80 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. a3 dxc4 7. Bxc4 a6 8. Bd3 cxd4 9. exd4 g6 10. Bg5 Bg7
Bugojno 1978 – Round 4 – Hort, Vlastimil – 1/2-1/2 – Ljubojevic, Ljubomir – G28 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. e3 d5 5. Nf3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. dxc5 Qxd1+ 9. Kxd1 Bxc5 10. b4 Be7
European Club Cup 2015 – Round 6.3 – Nepomniachtchi, Ian – 1/2-1/2 – Leko, Peter – G111 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. Qe2 Qc7
FIDE Candidates 2018 – Round 11.3 – Ding, Liren – 1/2-1/2 – Grischuk, Alexander – G43 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. Qe2 Qc7
FIDE Candidates 2022 – Round 14.3 – Ding, Liren – 1-0 – Nakamura, Hikaru – G54 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. Bd3 b5 9. dxc5 Bxc5 10. b4 Be7
GCT Rapid YourNextMove 2017 – Round 7.1 – Nepomniachtchi, Ian – 1/2-1/2 – So, Wesley – G31 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. h3 Qc7
Interpolis 1983 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Huebner, Robert – G8 1. d4 c5 2. e3 e6 3. Nf3 Nf6 4. c4 d5 5. Nc3 Nc6 6. a3 dxc4 7. Bxc4 Be7 8. O-O O-O 9. dxc5 Qxd1 10. Rxd1 Bxc5
Saint Louis Rapid 2022 – Round 7.3 – Firouzja, Alireza – 1/2-1/2 – Nepomniachtchi, Ian – G33 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. Ba2 b5 9. Qc2 cxd4 10. exd4 Nxd4
Superbet Classic 2021 – Round 7.2 – Aronian, Levon – 1-0 – Grischuk, Alexander – G30 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. d5 exd5
Tal Memorial 2007 – Round 8 – Kamsky, Gata – 1/2-1/2 – Ivanchuk, Vasyl – G33 1. c4 c5 2. Nc3 e6 3. Nf3 Nf6 4. e3 d5 5. d4 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Bd3 Bb7 10. dxc5 Bxc5
Tata Steel Masters 2024 - Round 8 - Firouzja, Alireza - 1-0 - Ding, Liren 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. Ba2 b5 9. Qc2 cxd4 10. exd4 Bb7
World Blitz 2017 – Round 12.43 – Potkin, Vladimir – 1/2-1/2 – Nguyen, Ngoc Truong Son – G638 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 c5 5. d4 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. Qe2 Be7
World Blitz 2022 – Round 6.64 – Aleksandrov, Aleksej – 0-1 – Nguyen, Thai Dai Van – G332 1. Nf3 c5 2. e3 Nf6 3. d4 d5 4. c4 e6 5. Nc3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. dxc5 Qxd1+ 9. Kxd1 Bxc5 10. Ke2 b5
World Blitz 2023 – Round 11.24 – Fedoseev, Vladimir – 1/2-1/2 – Cheparinov, Ivan – G638 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. Bd3 cxd4 9. exd4 g6 10. Ne5 Bg7

D40k — Semi-Tarrasch (1905)

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.a3 dxc4

Les coups candidats

7.Bxc4 — 99.7% (595 parties)

Ambassadeurs : Ivkov, Borislav (5x), Nepomniachtchi, Ian (5x), Fressinet, Laurent (4x), Ljubojevic, Ljubomir (3x), Gelfand, Boris (3x), Kanyamarala, Tarun (3x), Shimanov, Aleksandr (3x), Petrosian, Tigran V. (2x)

7.dxc5 — 0.3% (2 parties)

Ambassadeurs : Knezevic, Milorad (1x), Suba, Mihai (1x), Bizjak, Janez (1x), Harej, Bor (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Bxc4	7.dxc5
<1800	22	100%	—
1800-2200	166	100%	—
2200-2600	294	100%	0%
2600+	40	100%	—

Évolution par décennie (% des parties)

Décennie	N parties	7.Bxc4	7.dxc5
1950s	13	100%	—
1960s	22	100%	—
1970s	23	96%	4%
1980s	20	100%	—
1990s	71	100%	—
2000s	91	99%	1%
2010s	138	100%	—
2020s	219	100%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Bxc4	100%	100%	+0.0%
7.dxc5	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Ding, Liren — 3 parties
Tal, Mikhail — 2 parties
Gukesh D — 2 parties
Carlsen, Magnus — 1 partie

Parties historiques

7.Bxc4 — 99.7% (595 parties)

1950 — Ullrich, Bruno vs Krause, Kurt — 0-1 — Soemmerda GER
1951 — Ader Hausman, Walter vs Letelier Martner, Rene — 0-1 — Santiago de Chile
1952 — Pirc, Vasja vs O'Kelly, Albéric de Galway — 1-0 — Belgrade SRB
1952 — Petrosian, Tigran V. vs Prins, Lodewijk — 1/2-1/2 — Stockholm izt
1952 — Pytlakowski, Andrzej vs Oren, Menachem — 0-1 — Helsinki olm

7.dxc5 — 0.3% (2 parties)

1976 — Knezevic, Milorad vs Suba, Mihai — 1/2-1/2 — Polanica Zdroj POL
2003 — Bizjak, Janez vs Harej, Bor — 0-1 — Nova Gorica SLO