D40d — QGD: Semi-Tarrasch, 5.e3 a6

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 a6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e5, paire de fous.
Faiblesses adverses : arriéré b7, Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bd2 — Développer Bc1
● Bd3 — Développer Bf1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4, avant-poste e4(C), paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, arriéré b7, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)
● ...Nbd7 — Développer Nb8
● ...Be7 — Développer Bf8
● ...Bg4 — Clouer Nf3

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D40d — Semi-Tarrasch

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 a6

Eval: [+0.02]

Les coups candidats

6.cxd5 — 42.8% (941 parties) →

Ambassadeurs : Hebden, Mark L (6x), Emms, John M (6x), Kharlov, Andrei (5x), Greenfeld, Alon (5x), Eingorn, Vereslav S (4x), Lorscheid, Gerhard (4x), Budisavljevic, Luka (4x), Keres, Paul Petrovich (3x)

6.a3 — 24.2% (532 parties)

Ambassadeurs : Schlechter, Carl (4x), Rubinstein, Akiba (4x), Psakhis, Lev (3x), Akobian, Varuzhan (3x), Zilberman, Yaacov (3x), Hector, Jonny (3x), Privara, Igor (3x), Savchenko, Boris (3x)

6.dxc5 — 16.0% (353 parties)

Ambassadeurs : Rubinstein, Akiba (6x), Schlechter, Carl (3x), Delorme, Axel (3x), Burn, Amos (2x), Van Foreest, Arnold (2x), Důras, Oldřich (2x), Berger, Jacob (2x), Vidmar, Milan Sr (2x)

6.a4 — 4.5% (98 parties)

Ambassadeurs : Cech, Pavel (2x), Bajkovic, Savo (2x), Kachakovski, Dimitar (2x), Freeman, Matthew Herbert (1x), Sutton, Alan B (1x), Franke, Rudolf (1x), Campbell, Franklin J (1x), Merten, Maciej (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.cxd5	6.a3	6.dxc5	6.a4
<1800	40	30%	10%	20%	5%
1800-2200	559	37%	18%	15%	8%
2200-2600	1219	46%	30%	17%	2%
2600+	74	68%	18%	12%	—

Évolution par décennie (% des parties)

Décennie	N parties	6.cxd5	6.a3	6.dxc5	6.a4
1850s	1	—	—	—	—
1880s	3	33%	—	67%	—
1890s	2	50%	—	50%	—
1900s	42	24%	40%	31%	—
1910s	10	10%	10%	20%	—
1920s	1	100%	—	—	—
1930s	10	10%	10%	50%	—
1940s	4	75%	25%	—	—
1950s	4	100%	—	—	—
1960s	18	56%	—	22%	17%
1970s	16	56%	12%	25%	—
1980s	151	58%	22%	15%	2%
1990s	295	46%	26%	9%	6%
2000s	487	38%	28%	14%	5%
2010s	808	40%	23%	17%	5%
2020s	348	49%	23%	19%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.cxd5	40%	49%	▲ +9.4%
6.a3	23%	23%	+0.1%
6.dxc5	17%	19%	▲ +1.7%
6.a4	5%	2%	▼ -3.4%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 3 parties
Kramnik, Vladimir — 3 parties
Alekhine, Alexander — 2 parties
Anand, Viswanathan — 2 parties
Euwe, Max — 1 partie
Smyslov, Vladimir — 1 partie
Karpov, Aleksandr — 1 partie
Carlsen, Magnus — 1 partie
Hou, Yifan — 1 partie
Botvinnik, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie

Parties historiques

6.cxd5 — 42.8% (941 parties)

1885 — McKenzie, George vs Bier, Max — 1-0 — Hamburg GER
1891 — Van Rhijn, Arnoldus vs Heemskerk, Jan F — 1-0 — Utrecht NED
1902 — Mason, James vs Rubinstein, Akiba — 0-1 — Monte Carlo MNC
1905 — Leussen, Benjamin vs Oskam, Gerard — 1/2-1/2 — Scheveningen NED
1906 — Exner, Gyozo vs Gajdos, Janos — 0-1 — Gyor

6.a3 — 24.2% (532 parties)

1904 — Rubinstein, Akiba vs Rubinstein, Akiba — 1-0 — Monte Carlo MNC
1907 — Berger, Johann vs Schlechter, Carl — 1-0 — Vienna AUT
1907 — Berger, Johann vs Neumann, Augustin — 1-0 — Vienna AUT
1907 — Nimzowitsch, Aron vs John, Walter — 1/2-1/2 — Vienna AUT
1907 — Schlechter, Carl vs Wolf Heinrich — 1/2-1/2 — Carlsbad CZE

6.dxc5 — 16.0% (353 parties)

1889 — Burn, Amos vs Van Foreest, Arnold — 1-0 — Amsterdam NED
1889 — Burn, Amos vs Van Foreest, Arnold — 1-0 — Amsterdam NED
1898 — Halprin, Alexander vs Schlechter, Carl — 1/2-1/2 — Vienna AUT
1900 — Berger, Jacob vs Schlechter, Carl — 1/2-1/2 — Munich GER
1901 — Alapin, Simon vs Rubinstein, Akiba — 1/2-1/2 — Monte Carlo MNC

6.a4 — 4.5% (98 parties)

1963 — Freeman, Matthew Herbert vs Sutton, Alan B — 0-1 — Bath ch-BCF
1966 — Franke, Rudolf vs Campbell, Franklin J — 1/2-1/2 — 64Nf11 Golden Knights
1967 — Merten, Maciej vs Schrancz, Istvan — 0-1 — Stary Smokovec SVK
1983 — Schulien, Charles vs Blocker, Calvin — 0-1 — Buckeye Open,OH
1986 — Hoerl, Alexander vs Gaermer — 1-0 — GER

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● b7
Chaînes	● f2→e3, e3→d4	● e6→d5, b7→a6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v0)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (3v1), ● e5 (2v0)	● d5 (3v2), ● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	5 (b8, 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	● e3-e4	● …e6-e5

Partie
1900 DSB-12.Kongress – Round 12 – Berger, Jacob – 1/2-1/2 – Schlechter, Carl – G70 1. d4 d5 2. e3 e6 3. Nf3 c5 4. c4 Nf6 5. Nc3 a6 6. dxc5 Bxc5 7. Bd3 O-O 8. O-O Nc6 9. Qe2 dxc4 10. Bxc4 b5
1901 It (Men) Monte Carlo MNC – Round 3 – Alapin, Simon – 1/2-1/2 – Rubinstein, Akiba – G2 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 a6 6. dxc5 Bxc5 7. Be2 dxc4 8. Qxd8+ Kxd8 9. Bxc4 b5 10. Be2 Bb7
1902 DSB-13.Kongress – Round 6 – Marshall Viele, Fabrizio Aaron – 1-0 – Popiel, Ignacy – G25 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 a6 6. b3 Nc6 7. Bb2 cxd4 8. exd4 Bd6 9. Bd3 O-O 10. O-O Bd7
1904 DSB-14.Kongress – Round 13 – Berger, Jacob – 1/2-1/2 – Schlechter, Carl – G57 1. d4 d5 2. Nf3 c5 3. e3 e6 4. c4 Nf6 5. Nc3 a6 6. dxc5 Bxc5 7. Bd3 O-O 8. O-O Nc6 9. b3 dxc4 10. Bxc4 b5
1904 It (Men) Monte Carlo MNC – Round 2 – Rubinstein, Akiba – 1-0 – Rubinstein, Akiba – G4 1. d4 d5 2. c4 e6 3. Nf3 c5 4. e3 Nf6 5. Nc3 a6 6. a3 dxc4 7. Bxc4 b5 8. Bd3 Nbd7 9. O-O Bb7 10. Qe2 Be7
1905 It (Men) Barmen GER – Round 15 – Lasker, Edward – 1/2-1/2 – Englund, Fritz – G162 1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Nf3 c5 5. e3 a6 6. dxc5 Bxc5 7. a3 Be7 8. Qc2 dxc4 9. Bxc4 b5 10. Bd3 Bb7
1907 Copenhagen Nordic – Round ? – Schlechter, Carl – 1/2-1/2 – Maroczy, Geza – G6 1. d4 d5 2. Nf3 c5 3. e3 e6 4. c4 Nf6 5. Nc3 a6 6. a3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. dxc5 Bxc5 10. O-O O-O
1907 It (Men) San Sebastian ESP – Round 6 – Nimzowitsch, Aron – 1/2-1/2 – John, Walter – G16 1. d4 d5 2. c4 e6 3. Nc3 c5 4. Nf3 Nf6 5. e3 a6 6. a3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. dxc5 Bxc5 10. b4 Bd6
1907 Karlsbad – Round 1 – Schlechter, Carl – 1/2-1/2 – Wolf Heinrich – G16 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 a6 6. a3 dxc4 7. Bxc4 b5 8. Bd3 Nbd7 9. a4 b4 10. Ne4 Bb7
1907 Karlsbad – Round 1 – Teichmann, Richard – 1/2-1/2 – Mieses, Julio Cesar – G22 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 a6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Ba7 9. Bb2 O-O 10. cxd5 exd5
1908 It (Men) Duesseldorf GER – Round 14 – Przepiorka, Dawid – 1-0 – Swiderski, Radoslaw – G16 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 a6 6. a3 dxc4 7. dxc5 Qc7 8. Bxc4 Bxc5 9. Bd3 O-O 10. O-O Nbd7
1908 Prague – Round 1 – Von Bardeleben, Curt – 1/2-1/2 – Treybal, Frantisek – G2 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 a6 6. b3 Nc6 7. Bb2 Be7 8. Rc1 dxc4 9. bxc4 cxd4 10. exd4 Bb4
1908 Prague – Round 16 – Vidmar, Milan Sr – 0-1 – Rubinstein, Akiba – G124 1. d4 d5 2. e3 Nf6 3. Nf3 c5 4. c4 e6 5. Nc3 a6 6. dxc5 Bxc5 7. a3 dxc4 8. Qxd8+ Kxd8 9. Bxc4 b5 10. Be2 Bb7
1908 Prague – Round 3 – Duz-Khotimirsky, Fedor Ivanovich – 0-1 – Vidmar Kunst, Enej – G31 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 a6 6. dxc5 Bxc5 7. a3 O-O 8. b4 Bd6 9. Bb2 dxc4 10. Bxc4 b5
1908 Vienna – Round 6 – Rubinstein, Akiba – 1/2-1/2 – Maroczy, Geza – G59 1. d4 d5 2. Nf3 e6 3. c4 c5 4. e3 Nf6 5. Nc3 a6 6. dxc5 Bxc5 7. a3 dxc4 8. Qxd8+ Kxd8 9. Bxc4 b5 10. Bd3 Bb7
1908 Vienna – Round 8 – Rubinstein, Akiba – 1/2-1/2 – Teichmann, Richard – G79 1. d4 d5 2. Nf3 e6 3. c4 c5 4. e3 Nf6 5. Nc3 a6 6. a3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. dxc5 Bxc5 10. b4 Bd6
1909 Gothenburg-A – Round ? – Leonhardt, Paul – 0-1 – Důras, Oldřich – G2 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 a6 6. a3 dxc4 7. Bxc4 b5 8. Bd3 Nbd7 9. O-O Bb7 10. Qe2 Be7
1909 It (Men) St Petersburg RUS – Round 1 – Salwe, Georg – 1/2-1/2 – Tartakower, Savielly – G1 1. d4 c5 2. e3 d5 3. c4 e6 4. Nf3 Nf6 5. Nc3 a6 6. a3 dxc4 7. Bxc4 b5 8. Be2 Bb7 9. dxc5 Qxd1+ 10. Bxd1 Bxc5
1910 DSB-17.Kongress – Round 12 – Tarrasch, Siegbert – 1-0 – Alekhine, Alexander – G74 1. d4 d5 2. Nf3 e6 3. e3 c5 4. c4 Nf6 5. Nc3 a6 6. Ne5 Nc6 7. Nxc6 bxc6 8. Bd3 Be7 9. O-O O-O 10. Na4 cxd4
1911 Karlsbad – Round 1 – Burn, Amos – 0-1 – Schlechter, Carl – G38 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 a6 6. Bd3 Nc6 7. O-O Bd6 8. b3 O-O 9. Bb2 cxd4 10. exd4 dxc4
1911 Karlsbad – Round 1 – Johner, Paul – 1/2-1/2 – Teichmann, Richard – G45 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 a6 6. dxc5 Bxc5 7. a3 dxc4 8. Qxd8+ Kxd8 9. Bxc4 b5 10. Bd3 Bb7
1911 San Sebastian – Round 6 – Burn, Amos – 1/2-1/2 – Teichmann, Richard – G33 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 a6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. O-O Nbd7 10. a4 b4
1919 Rotterdam NRS – Round 7 – Koetsheid, Petrus – 1/2-1/2 – Loman, Rudolf – G18 1. d4 d5 2. Nf3 c5 3. e3 Nf6 4. c4 e6 5. Nc3 a6 6. a3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. dxc5 Bxc5 10. b4 Bd6
1930 San Remo – Round 1 – Rubinstein, Akiba – 1-0 – Yates, Frederic D – G48 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 a6 5. e3 c5 6. dxc5 Bxc5 7. a3 O-O 8. b4 Be7 9. cxd5 exd5 10. Bb2 Nc6
1932 London – Round 11 – Menchik, Vera Frantsevna – 0-1 – Tartakower, Savielly – G36 1. d4 d5 2. Nf3 c5 3. c4 e6 4. e3 Nf6 5. Nc3 a6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. O-O Nbd7 10. Qe2 Qc7
1936 Hastings3637 – Round 3 – Menchik, Vera – 0-1 – Fine, Richard Alvaro Adrien – G14 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. e3 c5 5. Nc3 a6 6. dxc5 Bxc5 7. Be2 O-O 8. O-O Nc6 9. a3 Bd6 10. Re1 dxc4
1937 Copenhagen – Round 1 – Andersen, Erik – 0-1 – Larsen Ojvind – G2 1. d4 d5 2. Nf3 c5 3. e3 e6 4. c4 Nf6 5. Nc3 a6 6. Ne5 dxc4 7. Bxc4 b5 8. Be2 Bb7 9. Bf3 Qc7 10. O-O Bd6
1937 Stockholm ol (Men) – Round 8 – Najdorf, Miguel – 1/2-1/2 – Trifunovic, Petar – G15 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c5 5. Nc3 a6 6. dxc5 Bxc5 7. a3 dxc4 8. Qxd8+ Kxd8 9. Bxc4 b5 10. Be2 Bb7
1938 Nice – Round 9 – Koserak W – 1/2-1/2 – Opocensky, Karel – G13 1. d4 e6 2. c4 d5 3. Nc3 c5 4. e3 Nf6 5. Nf3 a6 6. dxc5 Bxc5 7. cxd5 exd5 8. a3 a5 9. Bb5+ Nc6 10. Nd4 Bd7
1962 Varna olm – Round 1 – Dunkelblum, Arthur – 1/2-1/2 – Petrosian, Tigran A. – G75 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c5 5. e3 a6 6. dxc5 Bxc5 7. a3 dxc4 8. Qxd8+ Kxd8 9. Bxc4 b5 10. Bd3 Bb7
1964 Zagreb – Round 4 – Bertok, Mario Jr. – 1/2-1/2 – Szabo, Laszlo – G20 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Nc3 a6 6. dxc5 Bxc5 7. a3 Be7 8. cxd5 exd5 9. Be2 Be6 10. O-O Nbd7
1967 Stary Smokovec – Round 6 – Merten, Maciej – 0-1 – Schrancz, Istvan – G12 1. Nf3 c5 2. e3 Nf6 3. d4 e6 4. c4 d5 5. Nc3 a6 6. a4 Nc6 7. dxc5 Bxc5 8. cxd5 exd5 9. Bd3 O-O 10. O-O Bg4
41. Olympiad Open 2014 – Round 9.23 – Megaranto, Susanto – 1/2-1/2 – Zhang, Zhong – G643 1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. e3 c5 5. Nc3 a6 6. dxc5 Bxc5 7. cxd5 exd5 8. Be2 Nc6 9. O-O O-O 10. b3 d4
World Blitz 2015 – Round 13.13 – Eljanov, Pavel – 0-1 – Grischuk, Alexander – G786 1. d4 e6 2. Nf3 c5 3. e3 Nf6 4. c4 a6 5. Nc3 d5 6. dxc5 Bxc5 7. a3 O-O 8. b4 Ba7 9. Bb2 Qe7 10. cxd5 Rd8
World Blitz 2015 – Round 3.67 – Bogdanovich, Saveliy Vl – 1-0 – Lagarde, Maxime – G195 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Nc3 a6 6. dxc5 Bxc5 7. cxd5 exd5 8. Be2 Nc6 9. O-O O-O 10. b3 Bg4
World Blitz 2016 – Round 15.33 – Moiseenko, Alexander – 1-0 – Halkias, Stelios – G607 1. d4 d5 2. c4 e6 3. Nf3 c5 4. e3 Nf6 5. Nc3 a6 6. a3 dxc4 7. Bxc4 b5 8. Ba2 Bb7 9. O-O Nbd7 10. Qe2 Be7
World Blitz 2018 – Round 1.29 – Melkumyan, Hrant – 0-1 – Yilmaz, Mustafa (34) – G18 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 a6 5. Nc3 d5 6. a3 dxc4 7. Bxc4 b5 8. Ba2 Bb7 9. O-O Nbd7 10. Qe2 Qb8
World Blitz 2019 – Round 4.10 – Saini Vidit – 1-0 – Safarli, Elmir – G232 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. e3 d5 5. d4 a6 6. b3 Nc6 7. Bb2 cxd4 8. Nxd4 Bc5 9. Nxc6 bxc6 10. Be2 O-O
World Blitz 2023 – Round 4.4 – Riazantsev, Alexander – 1/2-1/2 – Bai, Jinshi – G233 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 a6 6. a3 dxc4 7. Bxc4 b5 8. Ba2 Bb7 9. O-O Nc6 10. Qe2 cxd4
World Rapid 2021 – Round 8.10 – Korobov, Anton – 0-1 – Gareyev, Timur – G444 1. d4 e6 2. c4 d5 3. Nc3 c5 4. e3 Nf6 5. Nf3 a6 6. dxc5 Bxc5 7. a3 O-O 8. b4 Bd6 9. cxd5 exd5 10. Bb2 Nc6

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