D28e — QGA: Classical, 7.Qe2 b5 8.Bd3

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bd3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte e5, Bd3 actif, paire de fous, colonne c.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé, 3 pièces non développées (B1, C1, A1).
Plans :
● Nc3 — Développer Nb1
● Bd2 — Développer Bc1
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité aile_dame (3v2), case forte d5, avant-poste d5(C), paire de fous, colonne d.
Faiblesses adverses : Bc1 enfermé.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 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, ...Bg4, ...Bf5)
● ...Nbd7 — Développer Nb8
● ...Be7 — Développer Bf8
● ...Bg4 — Clouer Nf3

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D28e —

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bd3

Eval: [+0.10]

Les coups candidats

8…cxd4 — 46.9% (439 parties) →

Ambassadeurs : Rashkovsky, Nukhim N (9x), Neverov, Valeriy (7x), Golz, Werner (5x), Keres, Paul (5x), Reshevsky, Samuel (5x), Borisenko, Georgy K (4x), Lputian, Smbat (4x), Kupreichik, Viktor D (4x)

8…Bb7 — 30.3% (284 parties)

Ambassadeurs : Van Steenis, Hendrik Jan (3x), Taimanov, Mark (3x), Mikhalchishin, Adrian (3x), Ivanov, Jordan (3x), Giessmann, Stephan (3x), Korneva, Marina (3x), Najdorf, Miguel (2x), Vinuesa, Juan (2x)

8…Nbd7 — 11.5% (108 parties)

Ambassadeurs : Gruenfeld, Ernst (4x), Lilienthal, Andor (2x), Becker, Albert (2x), Ribli, Zoltan (2x), Laghetti, Gaetano (2x), Goncharenko, Georgy (2x), Mende, Ingus (2x), Sánchez Rivero, Miguel (2x)

8…Nc6 — 8.2% (77 parties)

Ambassadeurs : Guimard, Carlos E (2x), Piazzini, Luis (2x), Smyslov, Vasily (2x), Polugaevsky, Lev (2x), Toprover, Viktor G. (2x), Pilnik, Herman (2x), Ernst, Wilhelm (1x), Kieninger, Georg (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…cxd4	8…Bb7	8…Nbd7	8…Nc6
<1800	15	67%	13%	7%	—
1800-2200	189	44%	33%	12%	5%
2200-2600	517	48%	30%	12%	8%
2600+	21	67%	24%	5%	5%

Évolution par décennie (% des parties)

Décennie	N parties	8…cxd4	8…Bb7	8…Nbd7	8…Nc6
1910s	1	—	100%	—	—
1930s	15	20%	13%	47%	20%
1940s	16	6%	50%	25%	19%
1950s	36	47%	22%	—	28%
1960s	40	50%	35%	5%	5%
1970s	14	36%	50%	—	7%
1980s	84	61%	23%	6%	10%
1990s	170	45%	37%	8%	8%
2000s	228	44%	34%	9%	9%
2010s	255	52%	26%	14%	4%
2020s	77	42%	22%	27%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…cxd4	52%	42%	▼ -10.2%
8…Bb7	26%	22%	▼ -4.2%
8…Nbd7	14%	27%	▲ +13.5%
8…Nc6	4%	6%	▲ +2.2%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 3 parties
Lasker, Emanuel — 1 partie
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

8…cxd4 — 46.9% (439 parties)

1936 — Lasker, Emanuel vs Reshevsky, Samuel — 1-0 — Nottingham IT
1937 — Landau, Salo vs Reshevsky, Samuel — 1-0 — It Kemeri LAT
1937 — Burillo Landau, Dante Ramon vs Reshevsky, Samuel — 0-1 — ?
1945 — Euwe, Max vs Devos, Paul — 1-0 — Hastings ENG
1950 — Geller, Efim P. vs Alatortsev, Vladimir N. — 1/2-1/2 — Moskou ch-URS

8…Bb7 — 30.3% (284 parties)

1911 — Kostic, Boris vs Důras, Oldřich — 1/2-1/2 — Carlsbad CZE
1937 — Raud, Ilmar vs Vistaneckis, Isakas — 1/2-1/2 — Stockholm SWE
1938 — Guimard, Carlos E vs Bensadon, Rafael — 1-0 — Argentina
1940 — Euwe, Max vs Landau, Salo — 0-1 — unknown
1941 — Najdorf, Miguel vs Vinuesa, Juan — 1/2-1/2 — Mar del Plata ARG

8…Nbd7 — 11.5% (108 parties)

1933 — Becker, Albert vs Gruenfeld, Ernst — 1-0 — Vienna AUT
1933 — Becker, Albert vs Gruenfeld, Ernst — 1-0 — Wenen
1933 — Dake, Arthur William vs Reinfeld, Fred — 1/2-1/2 — New York, NY USA
1934 — Lilienthal, Andor vs Landau, Salo — 1-0 — Amsterdam NED
1934 — Lilienthal, Andor vs Burillo Landau, Dante Ramon — 1-0 — Amsterdam NED

8…Nc6 — 8.2% (77 parties)

1934 — Chekhover, Vitaly vs Kmoch, Hans — 1-0 — Leningrad RUS
1938 — Guimard, Carlos E vs Piazzini, Luis — 1/2-1/2 — ch match Buenos
1938 — Guimard, Carlos E vs Piazzini, Luis — 1/2-1/2 — Argentina
1940 — Ernst, Wilhelm vs Kieninger, Georg — 1/2-1/2 — Cologne GER
1946 — Paal-Szucs, Attila vs Byrne, Ray — 0-1 — Pittsburgh

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● a6→b5, f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v0)	● d5 (3v0)
Cases faibles	—	—
Centre	● e5 (2v0)	● d5 (3v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bd3	● Bd3 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 2)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, c1, a1)	5 (b8, c8, f8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre !
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d4-d5, ● e3-e4	● …c5-c4, ● …e6-e5

Partie
1911 Karlsbad – Round 1 – Kostic, Boris – 1/2-1/2 – Důras, Oldřich – G32 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Bb7 9. Rd1 Nbd7 10. e4 cxd4
1933 New York – Round 5 – Dake, Arthur William – 1/2-1/2 – Reinfeld, Fred – G18 1. Nf3 d5 2. c4 dxc4 3. e3 c5 4. Bxc4 Nf6 5. d4 e6 6. O-O a6 7. Qe2 b5 8. Bd3 Nbd7 9. Rd1 Qc7 10. Nc3 Bb7
1933 Trebitsch Memorial 16th – Round 12 – Becker, Albert – 1-0 – Gruenfeld, Ernst – G53 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Qe2 b5 8. Bd3 Nbd7 9. Rd1 Bb7 10. a4 b4
1934 Leningrad – Round 1 – Chekhover, Vitaly – 1-0 – Kmoch, Hans – G20 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 c5 5. Bxc4 e6 6. O-O a6 7. Qe2 b5 8. Bd3 Nc6 9. a4 c4 10. Bc2 Bb7
1935 Warsaw POL – Round 14 – Rethy, Pal – 1-0 – Podhorzer, David – G93 1. Nf3 Nf6 2. d4 d5 3. e3 e6 4. c4 dxc4 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Nbd7 9. a4 b4 10. Rd1 Qc7
1938 Argentina – Round 1 – Guimard, Carlos E – 1/2-1/2 – Piazzini, Luis – G4 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Bd3 a6 6. O-O dxc4 7. Bxc4 c5 8. Qe2 b5 9. Bd3 Nc6 10. dxc5 Bxc5
1938 Ch (Men) Argentina ARG – Round 8 – Guimard, Carlos E – 1-0 – Bensadon, Rafael – G11 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 e6 5. Bd3 dxc4 6. Bxc4 c5 7. O-O a6 8. Qe2 b5 9. Bd3 Bb7 10. dxc5 Qa5
1941 Mar del Plata – Round 3 – Najdorf, Miguel – 1/2-1/2 – Vinuesa, Juan – G32 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Bb7 9. a4 b4 10. Nbd2 Nbd7
1942 Duras 60 Memorial – Round 10 – Podgorny, Jiri – 0-1 – Kottnauer, Cenek – G42 1. d4 d5 2. c4 dxc4 3. Nf3 c5 4. e3 Nf6 5. Bxc4 e6 6. O-O a6 7. Qe2 b5 8. Bd3 Nbd7 9. Rd1 Qc7 10. Nc3 Be7
1944 Ventnor City – Round 1 – Stark Letellier, Maxime – 1/2-1/2 – Shainswit, George – G1 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Bb7 9. dxc5 Nc6 10. b4 Nxb4
1946 Pittsburgh Open – Round 1 – Paal-Szucs, Attila – 0-1 – Byrne, Ray – G8 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O b5 7. Bd3 c5 8. Qe2 Nc6 9. a4 b4 10. dxc5 Bxc5
1947 Hanau – Round ? – Poolake – 1/2-1/2 – Zemgalis, Elmars – G15 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Nbd7 9. Rd1 Bb7 10. Nbd2 Nd5
1948 Budapest – Round 2 – Pachman, Ludek – 1-0 – Radulescu, Mihai – G10 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Nc6 9. dxc5 Bxc5 10. a3 Bb7
1951 Moskou ch-URS – Round ? – Averbakh, Yuri L – 1-0 – Aronin, Lev – G125 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Bb7 9. a4 c4 10. Bc2 Nbd7
1951 Staunton Memorial – Round 2 – Van Scheltinga, Theo – 0-1 – Alexander Ronald Cheng – G11 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Nc6 9. a4 c4 10. Bc2 Bb7
1952 Saltsjobaden Interzonal – Round 1 – Wade, Robert G – 1-0 – Pilnik, Herman – G2 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Qe2 b5 8. Bd3 Nc6 9. a4 bxa4 10. Nc3 Nb4
1954 Mar del Plata ARG – Round 1 – Shocron, Ruben – 1/2-1/2 – Pilnik, Herman – G1 1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Nc6 9. a4 bxa4 10. Rxa4 Nb4
1956 Budapest Alekhine – Round 1 – Lengyel, Laszlo – 1/2-1/2 – Sandor, Bela – G11 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. O-O c5 7. Qe2 b5 8. Bd3 Bb7 9. a4 b4 10. Nbd2 Nbd7
1956 H 176 – Round ? – Tiemann, Christoph – 1-0 – Dierks, Joern – G1 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 c5 5. Bxc4 e6 6. O-O a6 7. Qe2 b5 8. Bd3 Nc6 9. a4 c4 10. Bc2 Bb7
1956 URS Ch, semi final – Round 10 – Antoshin, Vladimir S – 1-0 – Khalilbeili, Sultan – G83 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Nf6 5. Bxc4 e6 6. O-O c5 7. Qe2 b5 8. Bd3 Bb7 9. dxc5 Bxc5 10. Bxb5+ Nbd7
1957 Moskou ch-URS – Round 11 – Korchnoi, Viktor – 0-1 – Mikenas, Vladas – G106 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 e6 6. O-O c5 7. Qe2 b5 8. Bd3 Bb7 9. Nc3 Nbd7 10. Rd1 Qb6
1960 Avantgard Ch – Round 15 – Zamikhovsky, Abram – 0-1 – Lazarev, Efim M. – G77 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Qe2 b5 8. Bd3 Bb7 9. a4 bxa4 10. Rxa4 cxd4
1960 Olympiad prel III – Round 1 – Johansson, Martin 1979 – 1/2-1/2 – Clarke, Peter H – G4 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Nc6 9. a4 b4 10. dxc5 Bxc5
1961 OWL Ch – Round 9 – Oestreich, Reinhard – 0-1 – Ophoff, Rigobert – G11 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Bb7 9. dxc5 Bxc5 10. Bxb5+ Nbd7
1961 Santa Fe – Round 1 – Byrne, Ray – 1-0 – Rossetto, Hector – G5 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Qe2 b5 8. Bd3 Bb7 9. a4 c4 10. Bc2 Nbd7
1963 Moscow RUS – Round ? – Gusev, Yuri S – 1/2-1/2 – Vasilchuk, Yury – G21 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Bb7 9. dxc5 Nc6 10. b4 Nxb4
1965 Tbilisi – Round 1 – Buslaev, Aleksander – 0-1 – Dzindzichashvili, Roman – G11 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Nc6 9. a4 b4 10. Rd1 cxd4
1965 Tbilisi Tbilisi GEO – Round 1 – Kolarov, Atanas S. – 0-1 – Bokuchava, Alexander – G8 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Bb7 9. dxc5 Bxf3 10. gxf3 Bxc5
1966 Moscow Tch-SU – Round 9.4 – Borisenko, Georgy K – 1-0 – Nevednichy, Boris M – G24 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Qe2 b5 8. Bd3 Bb7 9. dxc5 Bxc5 10. Bxb5+ Nbd7
1967 URS Team Ch – Round 1 – Borisenko, Georgy K – 0-1 – Gurgenidze, Bukhuti – G30 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Bb7 9. dxc5 Bxc5 10. Bxb5+ Nbd7
1970 Palma de Mallorca Interzonal – Round 15 – Taimanov, Mark – 1-0 – Rubinetti, Jorge – G56 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Bb7 9. dxc5 Nc6 10. Rd1 Qc7
World Cup 1989 – Round ? – Jussupow, Artur – 1/2-1/2 – Huebner, Robert – G103 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Nc6 9. Nc3 Qc7 10. dxc5 Bxc5

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →