D45j — Semi-Slav: 6.Qc2 Be7

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 Be7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte e5, paire de fous.
Faiblesses adverses : Bc8 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 : avant-poste e4(C), Be7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● b6+Bb7 — PRIORITÉ: libérer le Bc8 (b6+Bb7, ...Bg4, ...Bf5)
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D45j —

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 Be7

Eval: [+0.28]

Les coups candidats

7.b3 — 34.4% (1017 parties)

Ambassadeurs : Kovacs, Marton (5x), Kock, Hans-Uwe (5x), Najdorf, Miguel (4x), Stoltz, Gabriel (3x), Pachman, Ludek (3x), Crepan, Marjan (3x), Iskusnyh, Sergei (3x), Bezmalinovic, Dario (3x)

7.Bd3 — 30.9% (915 parties)

Ambassadeurs : Pena Riasco, Alexander (3x), Aksoy, Ayca (3x), Litmanowicz, Miroslawa (2x), Agzamov, Georgy (2x), Schumacher, Olaf (2x), Polasek, Filip (2x), Theeravanvilai, Prasert (2x), Obando, Daniel (2x)

7.g4 — 12.3% (365 parties)

Ambassadeurs : Mirzoev, Azer (3x), Gohil, Harry (2x), Astengo, Marcello (2x), Brigelhuber, Eric (2x), Dziuba, Marcin (2x), Schuh, Karsten (2x), Ikeda, Junta (2x), Kociscak, Jiri (2x)

7.Be2 — 11.9% (353 parties)

Ambassadeurs : Yepes Martinez, Eduard (3x), Manaschev, Erlan (3x), Pekarek, Ales (2x), Matlak, Marek (2x), Bischoff, Klaus (2x), Ljubojevic, Ljubomir (2x), Halldorsson, Bragi (2x), Shipov, Sergei (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.b3	7.Bd3	7.g4	7.Be2
<1800	122	30%	40%	11%	6%
1800-2200	1360	34%	31%	15%	10%
2200-2600	931	37%	30%	10%	15%
2600+	11	36%	18%	9%	27%

Évolution par décennie (% des parties)

Décennie	N parties	7.b3	7.Bd3	7.g4	7.Be2
1920s	3	—	—	—	—
1930s	19	26%	21%	—	—
1940s	14	50%	36%	—	—
1950s	31	68%	19%	—	3%
1960s	26	54%	12%	—	—
1970s	25	44%	36%	—	—
1980s	72	46%	10%	—	25%
1990s	495	33%	25%	7%	25%
2000s	983	30%	32%	16%	12%
2010s	1115	35%	34%	14%	8%
2020s	176	43%	34%	12%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.b3	35%	43%	▲ +7.9%
7.Bd3	34%	34%	-0.1%
7.g4	14%	12%	▼ -2.1%
7.Be2	8%	5%	▼ -3.1%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 2 parties
Gukesh D — 2 parties
Euwe, Max — 1 partie
Tal, Mikhail — 1 partie

Parties historiques

7.b3 — 34.4% (1017 parties)

1930 — Prokop, Frantisek vs Runza, J. — 1-0 — Prague CZE
1930 — A F Lantzius vs Euwe, Max — 0-1 — Medan INA
1931 — Szekely, Jeno vs Steiner, Lajos — 0-1 — Budapest HUN
1934 — Tylor, Theodore Henry vs Michell, Reginald — 0-1 — Chester, Town Hall
1937 — Urban Szabo, Bela Dr. vs Molisch, J. — 1/2-1/2 — Brno CZE

7.Bd3 — 30.9% (915 parties)

1930 — Tartakower, Savielly vs Ahues, Carl — 1-0 — San Remo ITA
1933 — Lisitsin, Georgy vs Goglidze, Viktor — 1-0 — Ch URS Leningrad RUS
1938 — Alhuay Grau, Dominick Fabricio vs Pulcherio, Cauby — 1/2-1/2 — Rio de Janeiro BRA
1939 — Cruz Bulnes vs Rebnord, S. — 0-1 — Buenos Aires ARG
1940 — Kunerth, Werner E vs Nowarra, Heinz — 1/2-1/2 — Berlin GER

7.g4 — 12.3% (365 parties)

1992 — Barsov, Alexei vs Ochkoos, Jura — 1/2-1/2 — Labor Day op
1992 — Abou El Zein, Eid Mahmoud vs Mollah Abdullah, Al Rakib — 1-0 — Doha QAT
1993 — Braun, Christian vs Katz, Roland — 0-1 — GER
1993 — Pachmann, Ales vs Orsag, Milan — 1-0 — Prague CZE
1993 — Adamek, Zdenek vs Svoboda, Zdenek — 0-1 — ?

7.Be2 — 11.9% (353 parties)

1955 — Fries, Tom vs Bermudez Adams, William — 1/2-1/2 — Fresno, CA
1980 — Jakobsen, Ole vs Eriksson, Mats 1959 — 1/2-1/2 — Stockholm SWE
1983 — Rukavina, Josip vs Bozovic, Milomir — 1/2-1/2 — Pula CRO
1984 — Adrian Medina, Juan Cristian vs Vera Gonzalez-Quevedo, Reynaldo — 1/2-1/2 — CUB
1988 — Brueckner, Thomas vs Aleman Ramos, Diego — 1/2-1/2 — Duitsland tt

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 2)
Be7		● Be7 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	3 (c8, 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	● c4-c5, ● e3-e4	● …c6-c5, ● …e6-e5

Partie
1921 Budapest – Round 1 – Alekhine, Alexander – 1-0 – Sterk, Karoly – G13 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. e3 Bd6 6. Nb5 Be7 7. Qc2 c6 8. Nc3 O-O 9. Bd3 dxc4 10. Bxc4 c5
1921 Budapest – Round 1 – Alekhine, Alexander – 1-0 – Sterk, Karoly – G8 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 Nbd7 5. e3 Bd6 6. Nb5 Be7 7. Qc2 c6 8. Nc3 O-O 9. Bd3 dxc4 10. Bxc4 c5
1930 San Remo – Round 10 – Tartakower, Savielly – 1-0 – Ahues, Carl – G104 1. d4 e6 2. Nf3 Nf6 3. c4 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Be7 7. Bd3 O-O 8. O-O dxc4 9. Bxc4 c5 10. Rd1 Qc7
1931 Prague ol Prague CZE – Round 10 – Sultan Khan, Mir – 0-1 – Vidmar, Marjeta – G31 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. c4 c6 5. Nc3 Nbd7 6. Qc2 Be7 7. a4 O-O 8. Bd3 b6 9. cxd5 cxd5 10. O-O Bb7
1931 Trebitsch Memorial 14th – Round 7 – Glass, Eduard – 1/2-1/2 – Lichtenstein, Bernhard – G9 1. d4 c6 2. c4 d5 3. Nc3 e6 4. Nf3 Nd7 5. e3 Ngf6 6. Qc2 Be7 7. a3 O-O 8. Bd3 dxc4 9. Bxc4 b5 10. Bd3 Bb7
1932 BCF Ch 25th – Round 8 – Alexander, Frederick Forrest L – 0-1 – Thomas, George Alan – G23 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 Nbd7 6. Qc2 Be7 7. Bd2 O-O 8. Bd3 Re8 9. O-O Nf8 10. e4 dxe4
1934 BCF Ch 27th – Round 4 – Tylor, Theodore Henry – 0-1 – Michell, Reginald – G22 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Be7 7. b3 O-O 8. Bd3 b6 9. O-O Bb7 10. Bb2 c5
1935 Barcelona – Round 1 – Grob, Henry – 1-0 – Capdevila Vallve, Jordi – G4 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 Be7 7. Bd2 O-O 8. Rd1 Re8 9. Bd3 dxc4 10. Bxc4 Bd6
1937 Stockholm ol – Round 9 – Stoltz, De Raven – 1-0 – Apscheneek, Fricis – G50 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Qc2 Be7 7. e4 dxe4 8. Nxe4 Nxe4 9. Qxe4 Bb4+ 10. Bd2 Bxd2+
1942 Munich – Round 3 – Stoltz, Gösta – 1/2-1/2 – Junge, Klaus – G23 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Be7 7. e4 dxe4 8. Nxe4 b6 9. Bd2 c5 10. O-O-O Bb7
1943 Madrid – Round 13 – Saemisch, Friedrich – 0-1 – Alonso Arburu, Juan Ignacio – G44 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Be7 7. b3 O-O 8. Bd3 b6 9. Bb2 Bb7 10. Rd1 Qc8
1946 Groningen – Round 3 – Stoltz, Gabriel – 1-0 – Kottnauer, Cenek – G15 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Be7 7. b3 b6 8. Be2 Bb7 9. O-O O-O 10. Bb2 Rc8
1946 USA Ch New York, NY USA – Round 1 – Drexel, Gustave – 0-1 – Horowitz, Albert Israel – G29 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Be7 7. a3 O-O 8. Bd3 c5 9. cxd5 exd5 10. b3 b6
1946 Zaanstreek – Round 2 – Stoltz, Gabriel – 1-0 – List, Paul – G16 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Be7 7. b3 b6 8. Bb2 Bb7 9. Be2 Rc8 10. O-O a6
1947 Helsinki – Round 1 – Stoltz, Gabriel – 1-0 – Gudmundsson, Gardar Vidir – G4 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Qc2 Be7 7. b3 O-O 8. Bd3 b6 9. O-O Bb7 10. Bb2 Qc7
1947 Kirchheim Teck – Round 6 – Troeger, Paul – 1-0 – Machate, Gottlieb – G5 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Be7 7. Bd3 O-O 8. b3 Re8 9. Bb2 Nf8 10. Rd1 a6
1949 Budapest-Moscow – Round 2 – Lilienthal, Andor – 1/2-1/2 – Florian, Tibor – G9 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Be7 7. Bd3 b6 8. O-O Bb7 9. Rd1 Qc7 10. Qe2 O-O
1949 Trencianske Teplice – Round 15 – Bolbochan, J. – 1-0 – Platt, Jerome – G90 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Be7 7. b3 O-O 8. Bd3 Re8 9. O-O c5 10. cxd5 exd5
1950 Amsterdam – Round 2 – Najdorf, Miguel – 1-0 – Gudmundsson, Gardar Vidir – G44 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Be7 7. b3 O-O 8. Bb2 b6 9. Bd3 Bb7 10. Ne5 g6
1950 Interzonal – Round 12 – Vidmar Milan – 1/2-1/2 – Stoltz, Gosta – G19 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c6 5. e3 Nbd7 6. Qc2 Be7 7. e4 dxe4 8. Nxe4 Nxe4 9. Qxe4 Nf6 10. Qc2 O-O
1950 ITA Ch – Round 4 – Ceccato, Vittorio – 1-0 – Castaldi, Vincenzo – G4 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Be7 7. Bd3 O-O 8. O-O dxc4 9. Bxc4 c5 10. Rd1 cxd4
1952 Helsinki olm – Round 1 – Najdorf, Miguel – 1-0 – Aleman Dovo, Miguel – G80 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Qc2 Be7 7. b3 O-O 8. Bd3 g6 9. O-O Re8 10. Bb2 b6
1952 Miedzyzdroje – Round 12 – Pytlakowski, Andrzej – 0-1 – Szabo, Stefan – G76 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Nbd7 5. e3 c6 6. Qc2 Be7 7. b3 O-O 8. Bd3 Re8 9. O-O g6 10. Bb2 Bf8
1953 Budapest ch-HUN – Round 1 – Kluger, Gyula – 1/2-1/2 – Rethy, Pal – G12 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Qc2 Be7 7. b3 O-O 8. Bd3 h6 9. O-O Qc7 10. Bb2 b6
1954 Mar del Plata – Round 21 – Najdorf, Miguel – 1-0 – Estrada Degrandi, Walter – G154 1. c4 Nf6 2. d4 c6 3. Nc3 d5 4. Nf3 e6 5. e3 Nbd7 6. Qc2 Be7 7. b3 Bb4 8. a3 Bxc3+ 9. Qxc3 Ne4 10. Qc2 O-O
1954 Mar del Plata zt Mar – Round 21 – Najdorf, Miguel – 1-0 – Estrada, Walter – G12 1. c4 Nf6 2. d4 c6 3. Nc3 d5 4. Nf3 e6 5. e3 Nbd7 6. Qc2 Be7 7. b3 Bb4 8. a3 Bxc3+ 9. Qxc3 Ne4 10. Qc2 O-O
1954 New York ch-USA – Round 8 – Pavey, Max – 1/2-1/2 – Rossolimo, Nicolas – G30 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c6 5. e3 Nbd7 6. Qc2 Be7 7. b3 O-O 8. Bd3 b6 9. O-O Bb7 10. Rd1 Qc7
1955 Mar del Plata – Round 5 – Panno, Oscar – 1/2-1/2 – Bauza, Lorenzo – G32 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Qc2 Be7 7. b3 b6 8. Bd3 Bb7 9. O-O Rc8 10. Bb2 c5
1958 COL Ch – Round 3 – De Greif, Boris – 1/2-1/2 – Estrada Vicente – G7 1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nf6 5. Nc3 Nbd7 6. Qc2 Be7 7. b3 a6 8. Bd3 b5 9. O-O O-O 10. Bb2 Re8
1960 Madrid zt – Round 3 – Pachman, Ludek – 1-0 – Reilly, Brian – G22 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Qc2 Be7 7. b3 O-O 8. Bd3 b6 9. O-O c5 10. Bb2 Bb7
1960 Olympiad prel III – Round 8 – Bilek, Istvan – 0-1 – Myagmarsuren, Lkhamsuren – G56 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. e3 c6 6. Qc2 Be7 7. Bd2 O-O 8. O-O-O b6 9. e4 Nxe4 10. Nxe4 dxe4
1960 URU Ch – Round ? – Estrada Degrandi, Walter – 1-0 – Galli Acosta, Alejandro Pedro – G9 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Qc2 Be7 7. a3 a5 8. b3 b6 9. Bd3 Bb7 10. O-O Rc8
1961 URU Ch sf – Round ? – Estrada Degrandi, Walter – 1/2-1/2 – Silva Nazzari, Hector – G5 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. e3 c6 6. Qc2 Be7 7. b3 O-O 8. Bb2 b6 9. Bd3 Bb7 10. O-O Rc8
1961 Wch U20 fin-A – Round 7 – Westerinen, Heikki M.J. – 1-0 – Thomson, Derec – G16 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Be7 7. b3 O-O 8. Bd3 c5 9. O-O cxd4 10. exd4 h6
1962 Hungary – Round 16 – Portisch, Lajos – 1-0 – Filep, Tibor – G122 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Be7 7. b3 O-O 8. Bb2 b6 9. Bd3 Bb7 10. O-O c5
1962 Olympiad Varna BUL – Round 5 – Bergraser, Volf – 1-0 – Filip, Miroslav – G30 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Be7 7. Bd3 O-O 8. O-O b6 9. e4 h6 10. cxd5 exd5
1964 Buenos Aires – Round 13 – Bielicki, Carlos – 1-0 – Rossetto, Hector – G112 1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Be7 7. b3 O-O 8. Bd3 Re8 9. O-O Nf8 10. Bb2 a6
1964 Capablanca Memorial – Round 21 – Pachman, Ludek – 1/2-1/2 – Stahlberg, Gideon – G207 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. e3 c6 6. Qc2 Be7 7. b3 O-O 8. Bd3 b6 9. O-O Bb7 10. Bb2 c5
1966 La Habana olm fin-B – Round 10 – Kraidman, Yair – 1-0 – Prins, Lodewijk – G143 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Qc2 Be7 7. Bd2 O-O 8. cxd5 exd5 9. Rd1 Re8 10. Be2 Bd6
1968 Cardenas/Matanzas/Santa Clara – Round 7 – Ader Hausman, Walter – 1-0 – Letelier Martner, Rene – G33 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Be7 7. Bd3 a6 8. b3 O-O 9. O-O c5 10. Bb2 cxd4
1969 Athens zt – Round 1 – Gheorghiu, Florin – 1/2-1/2 – Huebner, Robert – G3 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. Nf3 Be7 6. Qc2 Nbd7 7. Bd2 O-O 8. Rd1 b6 9. e4 dxe4 10. Nxe4 Bb7
PCA Qualifiers 1993 – Round 3 – Gurevich, Mikhail – 1/2-1/2 – Ljubojevic, Ljubomir – G41 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 Nbd7 6. Qc2 Be7 7. Be2 O-O 8. O-O b6 9. Rd1 Qc7 10. b3 Bb7

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