D43e — Semi-Slav: 5.Qb3 dxc4

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Qb3 dxc4 6.Qxc4 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Qd3 (Centraliser la dame, Prépare O-O-O — 71 % des parties) ; Qb3 (Prépare O-O-O — 24 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...b5 (Expansion aile dame — 95 % des parties) ; ...Be7 (Fou actif (mobilité 5), Développer f8 — 2 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→c6, f7→e6
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c5 (2v1), ● e5 (2v0), ● g5 (2v0)	● d5 (4v2)
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (2v0)	● d5 (4v2)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 5)
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	mobile
Ruptures	● d4-d5	● …c6-c5, ● …e6-e5

Partie
1937 Trebitsch mem3738 – Round 7 – Podhorzer, David – 1/2-1/2 – Glass, Eduard – G26 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 dxc4 5. Qa4+ c6 6. Qxc4 Be7 7. g3 O-O 8. Bg2 b6 9. O-O Bb7 10. Rd1 Qc8
1942 Salzburg – Round 3 – Keres, Paul – 1-0 – Stoltz, Gabriel – G8 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Qb3 dxc4 6. Qxc4 b5 7. Qb3 a6 8. Bg5 Nbd7 9. Rd1 Be7 10. a3 Bb7
1960 Moscow CCCT – Round 2 – Szilagyi, Gyorgy Laszlo – 1-0 – Puc, Stojan – G8 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Qb3 dxc4 6. Qxc4 b5 7. Qb3 a5 8. Qd1 Nbd7 9. g3 Bb7 10. Bg2 b4
2. FIDE GP 2008 – Round 8 – Jakovenko, Dmitry – 1/2-1/2 – Karjakin, Sergey – G42 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Qb3 dxc4 6. Qxc4 b5 7. Qd3 Nbd7 8. e4 b4 9. Na4 Qa5 10. b3 c5
20. European Teams 2015 – Round 8.6 – Olafsson, Halldor – 1/2-1/2 – Stefansson, Hannes – G354 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. Qd3 dxc4 6. Qxc4 b5 7. Qb3 Nbd7 8. Bg5 Qa5 9. e3 Ne4 10. Bd3 Nxg5
8. Tal Memorial 2013 – Round 2.5 – Andreikin, Dmitry – 1/2-1/2 – Anand, Viswanathan – G8 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Qd3 dxc4 6. Qxc4 b5 7. Qd3 Bb7 8. e4 b4 9. Na4 Qa5 10. b3 c5
Amber Blindfold 1999 – Round 1 – Nikolic, Predrag – 1-0 – Ivanchuk, Vasyl – G3 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qd3 Bb7 8. e4 b4 9. Na4 Nbd7 10. Be2 Qa5
Amber Blindfold 1999 – Round 6 – Piket, Jeroen – 0-1 – Van Wely, Loek – G32 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Qb3 e6 5. Nc3 dxc4 6. Qxc4 b5 7. Qd3 Nbd7 8. e4 b4 9. Na4 Qa5 10. b3 c5
Amber Rapidplay 2000 – Round 5 – Nikolic, Predrag – 0-1 – Kramnik, Vladimir – G21 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Qb3 dxc4 6. Qxc4 b5 7. Qd3 Nbd7 8. e4 b4 9. Na4 Qa5 10. b3 c5
Biel Interzonal 1993 – Round 13 – Bareev, Evgeny – 1/2-1/2 – Sveshnikov, Evgeny – G279 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Qb3 dxc4 6. Qxc4 b5 7. Qd3 Nbd7 8. e4 b4 9. Na4 Qa5 10. b3 Bb7
Biel Interzonal 1993 – Round 8 – Portisch, Lajos – 1/2-1/2 – Lautier, Joel – G174 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 e6 5. Nc3 dxc4 6. Qxc4 b5 7. Qd3 Be7 8. Bg5 O-O 9. e4 b4 10. Na4 Ba6
FIDE GP 2002 – Round 5.3 – Georgiev, Kiril – 1/2-1/2 – Shirov, Alexei – G108 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Qb3 dxc4 6. Qxc4 b5 7. Qb3 Nbd7 8. Bg5 Be7 9. g3 O-O 10. Bg2 Bb7
FIDE World Cup 2017 – Round 1.2 – Mollah Abdullah, Al Rakib – 0-1 – Nakamura, Hikaru – G89 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qd3 Nbd7 8. e4 b4 9. Na4 Bb7 10. Be3 c5
FIDE World Cup 2025 – Round Finals Rapid 1 – Javokhir Sindarov – 1/2-1/2 – Wei Yi – G666 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 O-O 8. Rc1 Nd7 9. Qb3 Bxc3+ 10. Qxc3 c6
GCT Blitz YourNextMove 2016 – Round 14.4 – Aronian, Levon – 1/2-1/2 – Giri, Anish – G69 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. Qd3 dxc4 6. Qxc4 b5 7. Qd3 a6 8. Bg5 c5 9. Bxf6 gxf6 10. d5 Bb7
Interpolis 1991 – Round 1 – Karpov, Anatoly – 1-0 – Timman, Jan H – G3 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qb3 Nbd7 8. Bg5 Qa5 9. e3 Ba6 10. Bxf6 gxf6
Karen Asrian Memorial 2008 – Round 14 – Sargissian, Gabriel – 0-1 – Gelfand, Boris – G37 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qb3 Nbd7 8. g3 Bb7 9. Bg2 a6 10. Ne5 Qc8
Las Palmas 1996 – Round 5 – Karpov, Anatoly – 1/2-1/2 – Kasparov, Garry – G9 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qd3 Bb7 8. a3 a6 9. e3 c5 10. dxc5 Bxc5
Linares 1993 – Round 2 – Bareev, Evgeny – 0-1 – Shirov, Alexei – G4 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Qb3 dxc4 6. Qxc4 b5 7. Qd3 Be7 8. a3 O-O 9. e4 c5 10. dxc5 Bxc5
Linares 1993 – Round 6 – Karpov, Anatoly – 1-0 – Gelfand, Boris – G24 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qd3 Bb7 8. e4 b4 9. Na4 Nbd7 10. Bg5 Qa5
TCh-RUS 2005 – Round 4 – Tregubov, Pavel V. – 1/2-1/2 – Gelfand, Boris – G61 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Qb3 dxc4 6. Qxc4 b5 7. Qd3 a6 8. e4 c5 9. dxc5 Bxc5 10. Qxd8+ Kxd8
Thessaloniki olm 1988 – Round 8 – Portisch, Lajos – 1/2-1/2 – Van der Wiel, John T.H. – G73 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. Qb3 dxc4 6. Qxc4 b5 7. Qd3 Be7 8. Bg5 Qa5 9. Bxf6 Bxf6 10. Nd2 O-O
Tilburg 1991 – Round 10 – Karpov, Anatoly – 1-0 – Timman, Jan H – G9 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qb3 Nbd7 8. Bg5 Qa5 9. e3 Ba6 10. Bxf6 gxf6
Tilburg Fontys 1996 – Round 2 – Karpov, Anatoly – 1-0 – Lautier, Joel – G7 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qd3 Nbd7 8. a3 b4 9. axb4 Bxb4 10. e4 a5
World Cup 1988 – Round 1 – Portisch, Lajos – 1/2-1/2 – Nogueiras Santiago, Jesus – G17 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Qb3 dxc4 6. Qxc4 b5 7. Qd3 Nbd7 8. Bg5 Bb7 9. a3 h6 10. Bf4 b4
World Cup 1989 – Round 1 – Nogueiras Santiago, Jesus – 1-0 – Hjartarson, Johann – G78 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qd3 a5 8. Bg5 Be7 9. e3 Nbd7 10. Rc1 Ba6
World Cup 1989 – Round 1 – Seirawan, Yasser – 1-0 – Huebner, Robert – G22 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qd3 Bb7 8. g3 a6 9. Bg2 c5 10. O-O Nc6
World Cup 1989 – Round 15 – Nikolic, Predrag – 1/2-1/2 – Ribli, Zoltan – G91 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qd3 Bb7 8. Bg5 Nbd7 9. e3 Be7 10. Be2 O-O
World Rapid 2019 – Round 4.55 – Kazhgaleyev, Murtas – 0-1 – Sarana, Alexey – G270 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qd3 a6 8. e4 c5 9. dxc5 Bxc5 10. Qxd8+ Kxd8

D43e —

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Qb3 dxc4 6.Qxc4

Les coups candidats

6…b5 — 94.6% (1579 parties)

Ambassadeurs : Cirulis, Ilmars (33x), Brand Lyard, Paul (25x), Enev, Zlatko (23x), Tregubov, Pavel V. (19x), Korchnoi, Viktor (18x), Cruz Ramirez, Eliecer (18x), Aahlad, Yeturu (12x), Wiaderek, Piotr (12x)

6…Be7 — 1.9% (32 parties)

Ambassadeurs : Hettler, Wolfgang (1x), Denecke, Hermann (1x), Santos, Ricardo (1x), Vitorino, Luis (1x), Dragomarezkij, Evgeni (1x), Pukkila, Markku (1x), Pascheto, Ademir Heleno (1x), Marques, Vinicius de Abreu (1x)

6…b6 — 1.4% (24 parties)

Ambassadeurs : Todorovic, Goran M (3x), Portisch, Lajos (2x), Kuijf, Marinus (2x), Portisch, Ferenc (1x), Nogueiras Santiago, Jesus (1x), Semakin, Anatolij (1x), Kozirev, Alexander (1x), Karsa, Laszlo (1x)

6…Nbd7 — 1.3% (21 parties)

Ambassadeurs : Golcman, Evgeny (2x), Dimitrijevic, Darko (1x), Ruzic, Evgen (1x), Falk, Thomas (1x), Wolff, Peter (1x), De Sa, Amanda Ribeiro (1x), Cardoso, Cicero A Jr (1x), Suess, Helmut (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…b5	6…Be7	6…b6	6…Nbd7
<1800	71	89%	6%	—	1%
1800-2200	430	89%	4%	2%	4%
2200-2600	1007	97%	1%	2%	0%
2600+	114	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6…b5	6…Be7	6…b6	6…Nbd7
1960s	3	100%	—	—	—
1970s	7	57%	—	29%	14%
1980s	74	92%	—	8%	—
1990s	192	93%	4%	2%	1%
2000s	352	94%	2%	1%	2%
2010s	587	94%	2%	1%	1%
2020s	455	97%	1%	0%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…b5	94%	97%	▲ +3.3%
6…Be7	2%	1%	▼ -0.9%
6…b6	1%	0%	▼ -1.1%
6…Nbd7	1%	1%	▼ -0.7%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 9 parties
Kramnik, Vladimir — 3 parties
Ding, Liren — 3 parties
Karpov, Aleksandr — 1 partie
Kasparov, Garry — 1 partie
Ju, Wenjun — 1 partie
Anand, Viswanathan — 1 partie
Gukesh D — 1 partie

Parties historiques

6…b5 — 94.6% (1579 parties)

1960 — Szilagyi, Gyorgy Laszlo vs Puc, Stojan — 1-0 — Moscow RUS
1967 — Kuzmin, Gennadi vs Karasev, Vladimir — 1-0 — ?
1967 — Kuzmin, Gennadi vs Karasev, Vladimir — 1-0 — Kharkov UKR
1976 — Bukic, Enver vs Bagirov, Vladimir — 1/2-1/2 — Banja Luka BIH
1977 — Mukhin, Evgeny B vs Kishnev, Sergey — 1-0 — Pushkinski Gori

6…Be7 — 1.9% (32 parties)

1992 — Dragomarezkij, Evgeni vs Pukkila, Markku — 1-0 — Kuopio op
1994 — Santos, Ricardo vs Vitorino, Luis — 1-0 — XIV T Portugal
1994 — Robatsch, Karl vs Chumfwa, Stanley — 1/2-1/2 — Moskou olm
1996 — Knab, Horst vs Niephaus, Friedel — 1/2-1/2 — Bad Wrishofen (08.03.-16.03)
1996 — Barchanek, Antonin vs Niemers, Johannes — 1-0 — Prague CZE

6…b6 — 1.4% (24 parties)

1975 — Portisch, Lajos vs Perecz, Laszlo — 1-0 — Budapest ch-HUN
1979 — Portisch, Ferenc vs Nogueiras Santiago, Jesus — 0-1 — Kecskemet HUN
1983 — Semakin, Anatolij vs Kozirev, Alexander — 1/2-1/2 — Erevan ARM
1983 — Vyzmanavin, Alexey vs Chernikov, Oleg — 1/2-1/2 — Belarus
1983 — Ligterink, Gert vs Kuijf, Marinus — 1-0 — Wijk aan Zee NED

6…Nbd7 — 1.3% (21 parties)

1979 — Dimitrijevic, Darko vs Ruzic, Evgen — 0-1 — Donji Milanovac
1998 — Falk, Thomas vs Wolff, Peter — 1-0 — Bad Wildungen
2000 — Suess, Helmut vs Hintyes, Helmuth — 1/2-1/2 — Zirndorf
2002 — De Sa, Amanda Ribeiro vs Cardoso, Cicero A Jr — 1-0 — Brasilia BRA
2005 — Gugenberger, Uwe vs Jaehn, Michael, Dr. — 0-1 — Leipzig GER

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