D52n — QGD: Cambridge Springs, 8.Qc2 O-O 9.Be2

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5 7.Nd2 Bb4 8.Qc2 O-O 9.Be2 *   ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bBFou enfermé — mobilité 0
bR
bK
bP
bP
bN
bP
bP
bPPion sous pression
bP
bP
bN
bQ
bP
wBFou actif — mobilité 4
bB
wP
wPPion central
Case forte (2v0)
wN
wPPion central
wP
wP
wQ
wN
wBFou actif — mobilité 6
wP
wP
wP
wR
wK
wR
abcdefgh
Avantages : case forte f4, Be2 actif, Bg5 actif, paire de fous.
Faiblesses adverses : Bc8 enfermé.
Problèmes : roi au centre.
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wKRoi au centre — doit roquer
wR
wP
wP
wP
wB
wN
wQ
wP
wP
wP
wN
Avant-poste C (accessible)
wP
wP
bBFou actif — mobilité 5
wBMauvais fou (5/8 pions)
bP
bQ
bN
bP
bP
bP
bP
bP
bN
bP
bP
bK
bR
bB
bR
hgfedcba
Avantages : avant-poste e4(C), Bb4 actif, paire de fous.
Faiblesses adverses : Bg5 mauvais fou, roi blanc au centre.
Problèmes : Bc8 enfermé.
Plans :
● b6+Bb7 — PRIORITÉ: libérer le Bc8 (b6+Bb7, ...Bf5)
● ...c5 — Rupture
● ...e5 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
D52n — Cambridge Springs
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5 7.Nd2 Bb4 8.Qc2 O-O 9.Be2
Eval: [+0.25]
Les coups candidats
Ambassadeurs : Stadler, Pavel (11x), Wiesinger, Johann (9x), Cvetkovic, Srdjan (7x), Nikolac, Juraj (5x), Zielinski, Sergej (5x), Bogoljubow, Efim (4x), Weiss, Peter (4x), Pramann, Adele (4x)
9…dxc4 — 26.8% (520 parties)
Ambassadeurs : Bogoljubow, Efim (5x), Aliyev, Rasim (5x), Zielinski, Sergej (4x), Johnston, Allan (4x), Henri, Veronica (4x), Tudor, Vasile (4x), Saemisch, Friedrich (3x), ? (3x)
9…c5 — 22.7% (440 parties)
Ambassadeurs : Dreev, Aleksey (12x), Ivanchuk, Vasyl (8x), Korneva, Marina (6x), De la Calle, Israel (5x), Ovsejevitsch, Sergei (4x), Gurevich, Michael (4x), Bacrot, Etienne (4x), Brunsteins, Daniel (4x)
9…Re8 — 6.9% (133 parties)
Ambassadeurs : Gavin Roche, Enrique (3x), Sanz Sanz, Clemente (2x), Abraham, Jan (2x), Nguyen, Thi Thuy Trien (2x), Mundsztuk (1x), Crockett, Davin Curtis (1x), Galvin BStJ (1x), O Hanlon John (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…e5 9…dxc4 9…c5 9…Re8
<1800 47 30% 43% 11% 11%
1800-2200 682 29% 30% 21% 9%
2200-2600 713 40% 21% 32% 2%
2600+ 35 14% 6% 80%
Évolution par décennie (% des parties)
Décennie N parties 9…e5 9…dxc4 9…c5 9…Re8
1890s 2
1900s 1 100%
1920s 15 47% 13% 7% 13%
1930s 37 24% 35% 14%
1940s 16 44% 25% 19%
1950s 10 50% 30% 10%
1960s 7 43% 14% 29%
1970s 30 50% 23% 7%
1980s 108 52% 25% 3% 9%
1990s 306 39% 27% 14% 8%
2000s 587 36% 22% 24% 9%
2010s 720 28% 31% 31% 4%
2020s 100 33% 29% 32% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…e5 28% 33% ▲ +4.7%
9…dxc4 31% 29% ▼ -1.8%
9…c5 31% 32% ▲ +1.0%
9…Re8 4% 2% ▼ -2.4%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 3 parties
Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Alekhine, Alexander — 1 partie
Kramnik, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
9…e5 — 34.6% (670 parties)
1923 — Gruenfeld, Leo vs Boglyubov — 0-1 — Mahrisch-Ostrau -
1923 — Gruenfeld, Ernst vs Bogoljubow, Efim — 1/2-1/2 — Maehrisch Ostrau
1924 — Romanovsky, Pjotr vs Bogoljubow, Efim — 0-1 — Match Leningrad RUS
1924 — Romanovsky, Pjotr vs Bogoljubow, Efim — 0-1 — Leningrad RUS
1925 — Gothilf, Solomon Borisovich vs Bogoljubow, Efim — 1/2-1/2 — Leningrad RUS
9…dxc4 — 26.8% (520 parties)
1904 — Wilcox, FF. vs Goldberg, Adam W — 1-0 — Cable Match
1929 — Rubinstein, Akiba vs De La Torre Huertas, Carlos — 1/2-1/2 — Deutschland/Niederlande
1929 — Saemisch, Friedrich vs Bogoljubow, Efim — 0-1 — Carlsbad CZE
1931 — Szigeti, Miklos vs Havasi, Kornel — 1-0 — Budapest HUN
1931 — Rellstab, Ludwig Sr vs Ahues, Carl — 1/2-1/2 — Swinemuende GER
9…c5 — 22.7% (440 parties)
1929 — Aguilera Bonaque, Juan Carlos vs Monticelli, Mario — 0-1 — Barcelona ESP
1980 — Pomar Salamanca, Arturo vs Taruffi, Daniele — 1-0 — Valetta
1983 — Bass, Leonid vs Lein, Anatoly — 1/2-1/2 — New York, NY USA
1988 — Victor, Gary vs Janahi, Khalid — 1/2-1/2 — Thessaloniki GRE
1990 — Volodin, Viktor vs Orso, Miklos — 0-1 — Budapest HUN
9…Re8 — 6.9% (133 parties)
1925 — Havasi, Kornel vs Vukovic, Vladimir — 1-0 — Debrecen HUN
1926 — Teller, Alfred vs Buerger, Victor — 0-1 — Hastings Town Hall
1930 — De Souza Mendes, Joao vs Lacerda Guimaraes, Jose — 1/2-1/2 — Rio de Janeiro BRA
1933 — Zinner, Emil vs Foltys, Jan — 1/2-1/2 — Maehrisch Ostrau
1934 — Stoltz, Gosta vs Reinhardt, Enrique — 0-1 — Bad Niendorf
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● f2→e3, e3→d4 ● c6→d5, e6→d5, b7→c6, f7→e6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● f4 (2v0)
Cases faibles ● e4
Centre ● d4 (1v0), ● e4 (3v2) ● d5 (4v2)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Be2 ● Be2 Actif (mob. 6)
Bg5 ● Bg5 Actif (mob. 4)
Bb4 ● Bb4 Actif (mob. 5)
Bc8 ● Bc8 Non développé (mob. 0)
Paire de fous ● Oui ● Oui
Non développées 2 (a1, h1) 2 (c8, a8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Au centre ! ● Roqué
Droits de roque O-O / O-O-O
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre fermé
Ruptures ● c4-c5, ● e3-e4 ● …c6-c5, ● …e6-e5
Partie
1925 Debrecen – Round 1 – Havasi, Kornel – 1-0 – Vukovic, Vladimir – G49
1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 Re8 10. O-O e5
1926 Hastings Premier /27 7th – Round 5 – Teller, Alfred – 0-1 – Buerger, Victor – G20
1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 Re8 10. O-O e5
1929 Karlsbad – Round 8 – Saemisch, Friedrich – 0-1 – Bogoljubow, Efim – G175
1. d4 d5 2. Nf3 e6 3. c4 Nd7 4. Nc3 Ngf6 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1929 Odessa ch-URS – Round 1 – Izmailov, Petr A – 1-0 – Botvinnik, Mikhail – G13
1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Bg5 Nbd7 5. Nc3 c6 6. e3 Qa5 7. Qc2 Bb4 8. Nd2 O-O 9. Be2 b6 10. O-O Bxc3
1929 World Championship 14th – Round 9 – Rubinstein, Akiba – 1/2-1/2 – De La Torre Huertas, Carlos – G9
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1930 Swinemuende – Round 1 – Saemisch, Friedrich – 1-0 – Koch, Berthold – G1
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 c6 5. e3 Nbd7 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 Ne4 10. Ndxe4 dxe4
1931 Argentina – Round 5 – Bolbochan, J. – 1/2-1/2 – Pleci, Isaias – G12
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 Ne4 10. Ndxe4 dxe4
1931 Budapest – Round 11 – Szigeti, Miklos – 1-0 – Havasi, Kornel – G60
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1931 DSB-27.Kongress – Round ? – Rellstab, Ludwig Sr – 1/2-1/2 – Ahues, Carl – G5
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1931 Praag olm – Round 15 – Kashdan, Isaac – 1/2-1/2 – Bogoljubow, Efim – G58
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1931 Prague CSR – Round 9 – Gruenfeld, Ernst – 1-0 – Rosselli del Turco, Stefano – G23
1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nc3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 b6 10. O-O Bxc3
1931 Trebitsch mem14 – Round 2 – Hoenlinger, Baldur – 1/2-1/2 – Gruenfeld, Ernst – G3
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1937 Bad Nauheim/Stuttgart/Garmisch – Round 3 – Saemisch, Friedrich – 1-0 – Bogoljubow, Efim – G6
1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1937 Stockholm ol – Round 4 – Vistaneckis, Isakas – 0-1 – Zinner, Emil – G23
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1939 Leningrad ch-URS – Round 13 – Makogonov, Vladimir – 1/2-1/2 – Ragozin, Viacheslav – G104
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1941 Munchen – Round 7 – Nielsen, Bardur – 1/2-1/2 – Bogoljubow, Efim – G55
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1945 Blomberg – Round 13 – Darznieks Artur – 1-0 – Jursevskis Miervaldis – G10
1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nc3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 Re8 10. O-O dxc4
1946 Londen I – Round 7 – Friedmann, O. – 0-1 – Tartakower, Savielly – G21
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 c6 5. e3 Nbd7 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 Ne4 10. Ndxe4 dxe4
1947 American Zone Ch – Round ? – Sämisch, Friedrich – 0-1 – Jursevskis Miervaldis – G8
1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1949 Mar del Plata – Round 1 – Pomar Salamanca, Arturo – 1/2-1/2 – Letelier Martner, Rene – G8
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 c6 5. e3 Nbd7 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1949 Schlechter Memorial – Round 1 – Beni, Alfred – 1/2-1/2 – Paoli, Enrico – G8
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1950 FRG Ch 01st – Round 12 – Lange, Wilfried – 1-0 – Schindler, Josef – G14
1. Nf3 d5 2. d4 e6 3. c4 Nf6 4. Bg5 Nbd7 5. Nc3 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 dxc4 10. Bxf6 Nxf6
1950 Vienna – Round 6 – Gruenfeld, Ernst – 1-0 – Soluch, Leopold – G18
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 Re8 10. O-O Bxc3
1964 ESP Ch 29th – Round 18 – Pomar Salamanca, Arturo – 1-0 – Merino Mejuto, Domingo – G74
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 Re8 10. O-O Bxc3
20. European Teams 2015 – Round 1.2 – Korobov, Anton – 1-0 – Deac, Bogdan-Daniel – G28
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 c5 10. Bf4 cxd4
Corsica Masters KO 2003 – Round 1.2 – Sasikiran, Krishnan – 1/2-1/2 – Gurevich, Mikhail – G2
1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 c5 10. Nb3 Qc7
PCA/Intel-GP 1994 – Round 1 – Azmaiparashvili, Zurab – 1/2-1/2 – Ivanchuk, Vasyl – G1
1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 c5 10. Nb3 Bxc3+
World Blitz 2007 – Round 11 – Bacrot, Etienne – 1/2-1/2 – Dreev, Aleksey – G101
1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 c5 10. O-O cxd4
World Blitz 2016 – Round 13.10 – Radjabov, Teimour – 1-0 – Dreev, Aleksey – G505
1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 c5 10. Bxf6 Nxf6
World Rapid 2016 – Round 12.27 – Anton Guijarro, David – 1-0 – Dubov, Daniil – G458
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 O-O 9. Be2 c5 10. Bf4 cxd4

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