D40o — QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3 a6

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.a3 a6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte e5.

Atouts. Les Blancs s'appuient sur la case forte e5 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c1 et f1 et les tours a1 et h1).

Plans. Bd2 (Développer Bc1) ; Bd3 (Développer Bf1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte e4.

Atouts. Les Noirs s'appuient sur la case forte e4, un avant-poste en e4 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c8 et f8 et les tours a8 et h8).

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)) ; ...Be7 (Développer Bf8) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→a3, f2→e3, e3→d4	● e6→d5, b7→a6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (3v2), ● e5 (2v1)	● 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)	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	fermé
Ruptures	● e3-e4	● …e6-e5

Partie
1905 Hauptturnier A – Round 2 – Aadhyeta Roy – 1/2-1/2 – Burn, Amos – G7 1. d4 d5 2. Nf3 e6 3. c4 c5 4. e3 Nf6 5. Nc3 Nc6 6. a3 a6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. O-O c4
1907 Ostende II – Round 4 – Lee, Francis J – 0-1 – Důras, Oldřich – G42 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. Nc3 Nf6 6. a3 a6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. O-O cxd4
1908 BCF Ch 5th – Round 1 – Shoosmith, Hector W – 1-0 – Blake, Joseph – G2 1. d4 d5 2. Nf3 e6 3. e3 c5 4. c4 Nf6 5. Nc3 Nc6 6. a3 a6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. dxc5 Bxc5
1908 BCF Ch 5th – Round 6 – Sergeant, Edward – 1/2-1/2 – Blake, Joseph – G22 1. d4 d5 2. Nf3 e6 3. c4 c5 4. e3 Nf6 5. Nc3 Nc6 6. a3 a6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. O-O Rc8
1912 Temesvary – Round 1 – Asztalos, Lajos – 1-0 – Steiner, Bruno – G5 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nc6 5. Nf3 Nf6 6. a3 a6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. O-O c4
1921 Budapest – Round 1 – Tartakower, Savielly – 1/2-1/2 – Vajda, Arpad – G1 1. c4 c5 2. e3 e6 3. d4 d5 4. Nf3 Nc6 5. Nc3 Nf6 6. a3 a6 7. Bd3 Bd6 8. O-O O-O 9. Qc2 dxc4 10. Bxc4 b5
1935 Warsaw ol Warsaw POL – Round ? – Rosselli del Turco, Stefano – 1-0 – O'Hanlon, John – G39 1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c4 e6 5. Nc3 Nc6 6. a3 a6 7. cxd5 exd5 8. dxc5 Bxc5 9. b4 Ba7 10. Be2 O-O
1950 Dubrovnik olm – Round 14 – Boulahanis, Ioannis – 1-0 – Rossetto, Hector – G205 1. d4 c5 2. e3 Nf6 3. Nf3 d5 4. c4 e6 5. Nc3 Nc6 6. a3 a6 7. Be2 dxc4 8. Bxc4 b5 9. Be2 Bb7 10. O-O Qc7
1953 DDR Ch 04th – Round 8 – Schlieder, Rolf – 1/2-1/2 – Pakulla – G9 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c5 5. e3 Nc6 6. a3 a6 7. cxd5 Nxd5 8. Bc4 Nf6 9. O-O b5 10. Ba2 Bb7
1953 YUG-ITA m – Round 2.3 – Pirc, Vasja – 1-0 – Porreca, Giorgio – G14 1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. a3 a6 7. cxd5 Nxd5 8. e4 Nxc3 9. bxc3 cxd4 10. cxd4 Be7
1956 Marianske Lazne/Praha – Round 2 – Szilagyi, Gyorgy Laszlo – 0-1 – Stahlberg, Gideon – G10 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 a6 7. Bd3 dxc4 8. Bxc4 b5 9. Ba2 Bb7 10. dxc5 Bxc5
1957 WchT U26 04th – Round 7.3 – Abarca Benites, Isaac Alejandro – 0-1 – Liebert, Heinz – G95 1. d4 c5 2. Nf3 Nf6 3. e3 e6 4. c4 d5 5. Nc3 Nc6 6. a3 a6 7. cxd5 exd5 8. dxc5 Bxc5 9. b4 Ba7 10. Bb2 O-O
1958 HUN Ch 13th – Round 18 – Florian, Tibor – 1/2-1/2 – Honfi, Karoly – G149 1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. e3 d5 5. d4 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 cxd4 9. Nxd4 Bc5 10. Nf3 O-O
1960 Sarajevo – Round 8 – Udovcic, Mijo – 1/2-1/2 – Ivkov, Borislav – G44 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Nc3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 Bd6 9. O-O c4 10. e4 dxe4
1961 URS-ch29 sf Novgorod – Round 13 – Gusev, Yuri S – 1-0 – Zilber, Josif – G35 1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. e3 d5 5. Nc3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 Be7 9. O-O O-O 10. b3 Ne4
1961 Zagreb – Round 7 – Sokolov, Vladimir – 1/2-1/2 – Djantar, Djordje – G64 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. e3 d5 5. Nf3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 cxd4 9. Nxd4 Bd6 10. O-O O-O
1963 Europe Team Ch qual – Round 4.1 – Keller, Dieter – 0-1 – Unzicker, Wolfgang – G18 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. e3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 Bd6 9. O-O O-O 10. dxc5 Bxc5
1963 IBM – Round 6 – Langeweg, Kick – 1/2-1/2 – Parma, Bruno – G21 1. c4 c5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 e6 5. d4 d5 6. a3 a6 7. Bd3 Be7 8. O-O O-O 9. dxc5 Bxc5 10. b4 Ba7
1963 Piatigorsky Cup – Round 9 – Reshevsky, Samuel – 1/2-1/2 – Panno, Oscar – G18 1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. e3 d5 5. d4 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 cxd4 9. exd4 Ne4 10. Qc2 Nxc3
1965 Asztalos Memorial 8th – Round 3 – Flesch, Janos – 1/2-1/2 – Sliwa, Bogdan – G18 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. a3 a6 7. cxd5 Nxd5 8. Bd3 cxd4 9. exd4 Nxc3 10. bxc3 Be7
1965 Mar del Plata – Round 9 – Acosta Garcia, Rafael Isaac – 0-1 – Averbakh, Yuri L – G73 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. e3 c5 5. d4 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 cxd4 9. Nxd4 Bd6 10. O-O O-O
1967 IBM – Round 2 – Ghitescu, Theodor – 1/2-1/2 – Enevoldsen, Jens – G12 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 Be7 9. O-O O-O 10. dxc5 Bxc5
1967 October Revolution 50 – Round 1 – Gufeld, Eduard – 1/2-1/2 – Suetin, Alexey S – G9 1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. e3 Nc6 5. d4 d5 6. a3 a6 7. Be2 dxc4 8. Bxc4 cxd4 9. exd4 Be7 10. O-O O-O
1967 Rubinstein Memorial – Round 15 – Adamski, Jan – 1/2-1/2 – Acevedo Ortega, Rodrigo Andres – G62 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. e3 c5 5. Nc3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 Be6 9. O-O Rc8 10. dxc5 Bxc5
1968 Bamberg – Round 2 – Petrosian, Tigran A. – 1/2-1/2 – Unzicker, Wolfgang – G3 1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. d4 c5 5. e3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 cxd4 9. Nxd4 Bd6 10. Bf3 Be5
1968 Hastings6869 – Round 2 – Smyslov, Vladimir – 1/2-1/2 – Gligoric, Sofija – G6 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. a3 a6 7. cxd5 exd5 8. Be2 cxd4 9. exd4 Bd6 10. Bg5 Be6
1969 Capablanca Memorial – Round 3 – Abreu Rodriguez, Juan Luis – 1/2-1/2 – Parma, Bruno – G26 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. e3 e6 5. d4 d5 6. a3 a6 7. Be2 dxc4 8. Bxc4 b5 9. Ba2 Bb7 10. O-O Qc7
1969 Moskou ch-URS – Round 18 – Petrosian, Tigran A. – 1/2-1/2 – Tal, Mikhail – G224 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. e3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 cxd4 9. Nxd4 Bd6 10. Bf3 O-O
1969 Praia da Rocha zt – Round 5 – Filip, Miroslav – 1/2-1/2 – Gligoric, Svetozar – G16 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. e3 e6 5. d4 d5 6. a3 a6 7. Bd3 dxc4 8. Bxc4 b5 9. Ba2 Bb7 10. O-O Qc7
1969 San Juan – Round 14 – Bisguier, Arthur B – 1-0 – Kaplan, Julio – G94 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Nc3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 cxd4 9. Nxd4 Bd6 10. O-O O-O
1969 San Juan – Round 15 – Donner, Jan-Hein – 1/2-1/2 – Parma, Bruno – G99 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 cxd4 9. Nxd4 Bd6 10. O-O O-O
1975 URS Team Ch – Round 1 – Podgaets, Mikhail – 0-1 – Grigorian, Karen – G528 1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. e3 d5 5. d4 a6 6. a3 Nc6 7. Bd3 dxc4 8. Bxc4 b5 9. Ba2 Bb7 10. O-O Be7
Buenos Aires 1980 – Round ? – Najdorf, Miguel – 1-0 – Kavalek, Lubomir – G38 1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. e3 d5 5. Nc3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 cxd4 9. Nxd4 Bd6 10. O-O O-O
Buenos Aires 1980 – Round 1 – Najdorf, Miguel – 1-0 – Kavalek, Lubomir – G14 1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. e3 d5 5. Nc3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 cxd4 9. Nxd4 Bd6 10. O-O O-O
Erevan ch-URS 1975 – Round 1 – Geller, Efim P – 1/2-1/2 – Polugaevsky, Lev – G16 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. e3 Nc6 6. a3 a6 7. Bd3 dxc4 8. Bxc4 Be7 9. dxc5 Qxd1+ 10. Kxd1 Bxc5
Superbet Blitz 2019 – Round 3.1 – Caruana, Fabiano – 0-1 – So, Wesley – G11 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. a3 a6 7. cxd5 exd5 8. g3 cxd4 9. Nxd4 Bg4 10. Nxc6 bxc6
World Blitz 2015 – Round 16.46 – Salem, A.R. Saleh – 1/2-1/2 – Grigoriants, Sergey – G1011 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 a6 7. Bd3 dxc4 8. Bxc4 b5 9. Ba2 Bb7 10. O-O Be7

D40o — Semi-Tarrasch

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.a3 a6

Les coups candidats

7.dxc5 — 62.4% (1588 parties) →

Ambassadeurs : Ivkov, Borislav (7x), Wedberg, Tom (7x), Tal, Mikhail (6x), Belov, Igor (6x), Kratochvíl, Václav (6x), Zolnierowicz, Krzysztof (5x), Berger, Johann (4x), Teichmann, Richard (4x)

7.cxd5 — 12.1% (307 parties)

Ambassadeurs : Ghitescu, Theodor (4x), Pirc, Vasja (3x), Dobosz, Henryk (3x), Euwe, Max (2x), Petrosian, Tigran A. (2x), Unzicker, Wolfgang (2x), Sokolov, Vladimir (2x), Reshevsky, Samuel (2x)

7.Bd3 — 9.4% (240 parties)

Ambassadeurs : Langeweg, Kick (3x), Marjanovic, Slavoljub (3x), Blake, Joseph (2x), Hoi, Carsten (2x), Simic, Radoslav K (2x), Hecht, Hans-Joachim (2x), Bali, Janos Dr. (2x), Caselas Cabanas, Jacobo (2x)

7.b3 — 8.4% (215 parties) →

Ambassadeurs : Knezevic, Milorad (6x), Tal, Mikhail (4x), Anderssen, Adolf (3x), Baumbach, Friedrich, Dr. (3x), Moehring, Guenther (3x), Gipslis, Aivars (3x), Rodriguez Vargas, Orestes (3x), Korobov, Anton (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.dxc5	7.cxd5	7.Bd3	7.b3
<1800	43	40%	14%	14%	7%
1800-2200	565	63%	10%	11%	6%
2200-2600	1430	64%	12%	9%	9%
2600+	85	76%	8%	6%	9%

Évolution par décennie (% des parties)

Décennie	N parties	7.dxc5	7.cxd5	7.Bd3	7.b3
1840s	6	17%	—	—	67%
1850s	7	14%	—	14%	71%
1870s	3	67%	—	33%	—
1880s	2	50%	—	50%	—
1890s	1	100%	—	—	—
1900s	33	79%	—	12%	9%
1910s	11	73%	—	18%	9%
1920s	5	60%	—	40%	—
1930s	13	69%	8%	8%	15%
1940s	12	83%	17%	—	—
1950s	22	50%	27%	9%	9%
1960s	64	45%	30%	11%	8%
1970s	112	42%	21%	11%	21%
1980s	231	58%	13%	9%	14%
1990s	415	64%	10%	10%	8%
2000s	562	59%	13%	11%	9%
2010s	785	66%	10%	9%	5%
2020s	261	73%	11%	4%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.dxc5	66%	73%	▲ +6.9%
7.cxd5	10%	11%	+0.3%
7.Bd3	9%	4%	▼ -4.7%
7.b3	5%	5%	-0.5%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Anand, Viswanathan — 6 parties
Alekhine, Alexander — 4 parties
Smyslov, Vladimir — 3 parties
Euwe, Max — 2 parties
Kasparov, Garry — 2 parties
Kramnik, Vladimir — 2 parties
Gukesh D — 2 parties
Botvinnik, Mikhail — 1 partie

Parties historiques

7.dxc5 — 62.4% (1588 parties)

1843 — Staunton, Howard vs Saint Amant, Pierre C — 1/2-1/2 — Paris FRA
1857 — Knott Rodriguez, Dylan Emmanuel vs Perrin, Fleur — 0-1 — New York, NY USA
1877 — Paulsen, L Goring vs Zukertort allies — 1-0 — Leipzig consult
1877 — Paulsen, LGoeringMetger vs AnderssenZukertortSchmid, C — 0-1 — Leipzig GER
1880 — Paulsen, Louis vs Wemmers, Carl — 1/2-1/2 — Wiesbaden GER

7.cxd5 — 12.1% (307 parties)

1935 — Rosselli del Turco, Stefano vs O'Hanlon, John — 1-0 — Warsaw ol Warsaw POL
1949 — Pirc, Vasja vs Euwe, Max — 1-0 — Bled/Ljubljana m
1949 — Pirc, Vasja vs Euwe, Max — 1-0 — Bled SLO
1950 — Pinzon Solis, Felipe vs Helle, Soini — 1/2-1/2 — Dubrovnik CRO
1953 — Schlieder, Rolf vs Pakulla — 1/2-1/2 — Jena GER

7.Bd3 — 9.4% (240 parties)

1857 — Brien, Robert vs Pindar, Edward — 0-1 — Manchester ENG
1873 — Meitner, Philipp vs Fleissig, Max — 0-1 — Vienna AUT
1887 — Kothe, Hans-Joachim vs Van Foreest, Arnold — 0-1 — Amsterdam NED
1905 — Aadhyeta Roy vs Burn, Amos — 1/2-1/2 — Barmen GER
1907 — Lee, Francis J vs Důras, Oldřich — 0-1 — Ostende II

7.b3 — 8.4% (215 parties)

1843 — Saint Amant, Pierre C vs Staunton, Howard — 1/2-1/2 — Paris FRA
1843 — Saint Amant, Pierre C vs Staunton, Howard — 1/2-1/2 — Paris FRA
1848 — Anderssen, Adolf vs Harrwitz, Daniel — 0-1 — Breslau GER
1849 — Nechepurenko, Roman V. vs Melnikova, Yana — 1/2-1/2 — cr.
1851 — Wyvill, Marmaduke vs Anderssen, Adolf — 1/2-1/2 — London ENG

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →