D45i — Semi-Slav: 6.Qc2 b6

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 b6 * ○ 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, Bf8 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), paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 4 pièces non développées (C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bg4 — PRIORITÉ: libérer le Bc8 (...Bg4, ...Bf5)
● ...Be7 — Développer Bf8
● ...c5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D45i —

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 b6

Eval: [+0.40]

Les coups candidats

7.Bd3 — 48.6% (824 parties)

Ambassadeurs : Dreev, Aleksey (29x), Korneva, Marina (12x), Basso, Pier Luigi (11x), Galliamova, Alisa (7x), Grabarczyk, Miroslaw (6x), Pelletier, Yannick (6x), Shankland, Sam (6x), Kramnik, Vladimir (5x)

7.cxd5 — 16.8% (285 parties)

Ambassadeurs : Dreev, Aleksey (8x), Pedersen, Steffen (5x), Shneider, Aleksandr (3x), Marcelin, Cyril (3x), Malykin, Vitaly (3x), Chabanon, Jean-Luc (2x), Nascimento, Alexandre Fernandes (2x), Hjartarson, Johann (2x)

7.b3 — 16.6% (282 parties)

Ambassadeurs : Dao, Thien Hai (6x), Dreev, Aleksey (5x), Graf, Adrian (3x), Browne, Walter Shawn (2x), Kuczynski, Robert (2x), Malgina, Tatiana (2x), Hector, Jonny (2x), Dautov, Ravil (2x)

7.Be2 — 12.4% (211 parties)

Ambassadeurs : Dreev, Aleksey (7x), Prie, Eric (5x), Zvjaginsev, Vadim (5x), Horvath, Jozsef (3x), Hector, Jonny (3x), Gerstner, Wolfgang (3x), Beikert, Guenther, Dr. (2x), Myc, Marcin (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Bd3	7.cxd5	7.b3	7.Be2
<1800	27	41%	22%	7%	19%
1800-2200	363	54%	17%	12%	10%
2200-2600	1094	46%	17%	18%	13%
2600+	130	59%	11%	18%	10%

Évolution par décennie (% des parties)

Décennie	N parties	7.Bd3	7.cxd5	7.b3	7.Be2
1950s	1	—	—	100%	—
1980s	6	33%	—	17%	50%
1990s	194	38%	15%	13%	27%
2000s	486	43%	17%	20%	12%
2010s	788	55%	16%	14%	10%
2020s	222	47%	22%	21%	9%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Bd3	55%	47%	▼ -8.2%
7.cxd5	16%	22%	▲ +6.3%
7.b3	14%	21%	▲ +6.4%
7.Be2	10%	9%	▼ -0.9%

Joueurs célèbres

Champions du monde dans cette position

Carlsen, Magnus — 6 parties
Kramnik, Vladimir — 5 parties
Kasparov, Garry — 3 parties
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

7.Bd3 — 48.6% (824 parties)

1981 — Jovicic, Milos vs Djordjevic, Radovan — 1-0 — Pula CRO
1983 — Andruet, Gilles vs Flear, Glenn C — 1/2-1/2 — Paris FRA
1994 — Vyzmanavin, Alexey vs Kramnik, Vladimir — 1/2-1/2 — London ENG
1994 — Vyzmanavin, Alexey vs Kramnik, Vladimir — 1/2-1/2 — London PCA rapid m
1995 — Carranza Cifuentes, Ricardo vs Brenninkmeijer, Joris — 0-1 — Amsterdam ch-NED

7.cxd5 — 16.8% (285 parties)

1994 — Stanec, Nikolaus vs Turner, Jai — 1-0 — Moscow RUS
1995 — Nascimento, Alexandre Fernandes vs Pedersen, Steffen — 0-1 — Cappelle la Grande FRA
1995 — Shneider, Aleksandr vs Szuhanek, Ranko — 1/2-1/2 — Belgrade SRB
1995 — Nascimento, Alexandre Fernandes vs Pedersen, Steffen — 1-0 — Cappelle la Grande FRA
1995 — Shneider, Aleksandr vs Pedersen, Steffen — 0-1 — Cappelle la Grande FRA

7.b3 — 16.6% (282 parties)

1959 — Luckis, Marcos vs Piazzini, Luis — 1/2-1/2 — Quilmes
1986 — Niemynski, Z vs Jaloszynski, Tadeusz — 1/2-1/2 — J.T.Befama
1995 — Del Rey, Diego vs Glavina, Pablo — 1/2-1/2 — Mondariz ESP
1995 — Vencl, Jiri vs Vavrousek, Petr — 1-0 — Klatovy CZE
1995 — Franco Ocampos, Zenon vs Rodriguez Lopez, Rafael — 1-0 — Mondariz ESP

7.Be2 — 12.4% (211 parties)

1981 — Trois, Francisco R.T. vs Neckar, Lubomir — 1/2-1/2 — Prague CZE
1989 — Kohlweyer, Bernd vs Dgebuadze, Alexandre — 1/2-1/2 — Groningen NED
1989 — Kindl, Peter vs Zeller, Frank — 1/2-1/2 — Moeglingen
1992 — Brenninkmeijer, Joris vs Sakaev, Konstantin — 1/2-1/2 — Groningen open
1993 — Sharif, Mehrshad vs Vasiukov, Evgeni — 1/2-1/2 — Doha QAT

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● c6→d5, e6→d5, a7→b6, 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)
Bc8		● Bc8 Non développé (mob. 2)
Bf8		● Bf8 Non développé (mob. 5)
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	● c4-c5, ● e3-e4	● …c6-c5, ● …e6-e5

Partie
1959 Quilmes – Round 11 – Luckis, Marcos – 1/2-1/2 – Piazzini, Luis – G63 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Bd3 Be7 9. O-O O-O 10. Bb2 c5
20. European Teams 2015 – Round 8.10 – Bogner, Sebastian – 1/2-1/2 – Laznicka, Viktor – G325 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O Be7 9. b3 O-O 10. Bb2 h6
2026 Tata Steel India Blitz - Round 4.3 - Wei, Yi - 1/2-1/2 - Niemann, Hans Moke - G18 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Bb2 Rc8 9. Bd3 c5 10. O-O cxd4
2026 Tata Steel India Blitz - Round 8.5 - So, Wesley - 1-0 - Niemann, Hans Moke - G40 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O dxc4 9. Bxc4 a6 10. a4 b5
2026 Tata Steel India Rapid - Round 6.2 - Wei, Yi - 0-1 - Niemann, Hans Moke - G27 1. d4 1... Nf6 2. c4 2... e6 3. Nf3 3... d5 4. Nc3 4... c6 5. e3 5... Nbd7 6. Qc2 6... b6 7. b3 7... Bb7 8. Bb2 8... Bd6 9. Bd3 9... O-O 10. O-O 10... Re8
30. ECC Open 2014 – Round 1.6 – Grachev, Boris – 1-0 – Abel Dieguez, Dario – G17 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. d4 Nbd7 6. Qc2 b6 7. cxd5 exd5 8. Bd3 Bb7 9. O-O Be7 10. Ne5 O-O
30. ECC Open 2014 – Round 1.6 – Lauber, Albert – 1/2-1/2 – Dreev, Aleksey – G18 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. cxd5 cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Nxd2 O-O
34. ECC Open 2018 – Round 1.1 – Jakovenko, Dmitry – 1-0 – Van Delft, Merijn – G1 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O Be7 9. Rd1 Qc7 10. b3 O-O
36. Olympiad 2004 – Round 7 – Dautov, Ravil – 1/2-1/2 – Atalik, Suat – G237 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Bd3 Be7 9. O-O Qc7 10. Bb2 Rd8
41. Olympiad Open 2014 – Round 8.4 – Rusev, Krasimir – 0-1 – Korobov, Anton – G580 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Bb2 Bd6 9. Be2 O-O 10. O-O Re8
84. Tata Steel Masters 2022 – Round 1.1 – Esipenko, Andrey – 1/2-1/2 – Carlsen, Magnus – G1 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Bd3 Bd6 9. O-O O-O 10. Bb2 c5
Corus A 2009 – Round 13 – Wang, Yue(SH) – 1-0 – Carlsen, Magnus – G83 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O dxc4 9. Bxc4 c5 10. Rd1 Qc8
Dortmund 1997 – Round 3 – Kramnik, Vladimir – 1-0 – Ivanchuk, Vasyl – G12 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. d4 e6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O Be7 9. b3 Rc8 10. Bb2 c5
Dortmund 1997 – Round 3 – Kramnik, Vladimir – 1-0 – Ivanchuk, Vasyl – G13 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. d4 e6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O Be7 9. b3 Ba6 10. Bb2 Ng4
FIDE World Cup 2017 – Round 3.2 – Bu, Xiangzhi – 1/2-1/2 – Carlsen, Magnus – G344 1. Nf3 e6 2. c4 d5 3. d4 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 b6 7. Be2 Bb7 8. O-O Bd6 9. e4 Nxe4 10. Nxe4 dxe4
FIDE World Rapid Championship 2014 – Round 15.22 – Sargissian, Gabriel – 1/2-1/2 – Dreev, Aleksey – G95 1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. cxd5 cxd5 8. Bd3 Bb7 9. O-O Rc8 10. Qe2 Bd6
FIDE World Rapid Championship 2025 – Round 7 – Vladislav Artemiev – 1-0 – Carlsen Magnus – G121 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 b6 7. cxd5 exd5 8. Bd3 Be7 9. O-O Bb7 10. e4 dxe4
FIDE-Wch k.o. 1997 – Round 2.2 – Zvjaginsev, Vadim – 1/2-1/2 – Kaidanov, Gregory – G76 1. c4 e6 2. Nc3 d5 3. d4 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O Be7 9. b3 Qc7 10. Bb2 Rc8
FIDE-Wch k.o. 1997 – Round 5.1 – Gelfand, Boris – 1/2-1/2 – Dreev, Aleksey – G170 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O Be7 9. b3 Qc7 10. Bb2 Rd8
FIDE-Wch k.o. 1997 – Round 5.3 – Gelfand, Boris – 1/2-1/2 – Dreev, Aleksey – G176 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O Be7 9. b3 Qc7 10. Bb2 Rd8
GCT Blitz Croatia 2021 – Round 14.4 – Mamedyarov, Shakhriyar – 1-0 – Duda, Jacob – G69 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Be2 Rc8 9. O-O Bd6 10. e4 Nxe4
Olympiad 2002 – Round 13 – Ftacnik, Lubomir – 1-0 – Villamayor, Buenaventura – G473 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 b6 7. cxd5 cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Nxd2 O-O
Olympiad 2002 – Round 14 – Istratescu, Andrei – 1/2-1/2 – Baburin, Alexander – G477 1. c4 e6 2. Nc3 d5 3. d4 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 b6 7. e4 dxe4 8. Nxe4 Bb4+ 9. Bd2 Bxd2+ 10. Nfxd2 O-O
SportAccord Basque Men 2013 – Round 1.2 – Le, Quang Liem – 1-0 – Mamedyarov, Shakhriyar – G10 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O Be7 9. Rd1 O-O 10. b3 h6
SportAccord Blindfold Men 2012 – Round 7.4 – Giri, Anish – 0-1 – Mamedyarov, Shakhriyar – G52 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O Be7 9. b3 dxc4 10. bxc4 c5
Superbet Rapid & Blitz Poland 2025 – Round 27 – Aronian Levon – 1/2-1/2 – Duda Jan-Krzysztof – G131 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O Be7 9. b3 dxc4 10. bxc4 c5
Turin ol (Men) 37th 2006 – Round 9 – Gustafsson, Jan – 1/2-1/2 – Nogueiras Santiago, Jesus – G121 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O dxc4 9. Bxc4 c5 10. Qe2 a6
World Blitz 2009 – Round 2 – Mamedyarov, Shakhriyar – 1-0 – Ponomariov, Ruslan – G11 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. Bd2 Bb7 8. h3 Bb4 9. a3 Bxc3 10. Bxc3 Ne4
World Blitz 2009 – Round 25 – Mamedyarov, Shakhriyar – 0-1 – Gelfand, Boris – G252 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. Bd2 Bb7 8. h3 Be7 9. Rd1 O-O 10. Bd3 dxc4
World Blitz 2009 – Round 30 – Gelfand, Boris – 0-1 – Kramnik, Vladimir – G304 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O Be7 9. b3 Rc8 10. Bb2 Qc7
World Blitz 2017 – Round 15.6 – Esipenko, Andrey – 1/2-1/2 – Dreev, Aleksey – G811 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Be2 Bd6 9. O-O O-O 10. Bb2 Qe7
World Blitz 2017 – Round 21.14 – Bu, Xiangzhi – 1/2-1/2 – Dreev, Aleksey – G1080 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 b6 7. Be2 Bb7 8. O-O Bd6 9. b3 O-O 10. e4 dxe4
World Blitz 2021 – Round 3.11 – Faizrakhmanov, Ramil – 1/2-1/2 – Dreev, Aleksey – G138 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Bd3 Be7 9. Bb2 O-O 10. O-O Qc7
World Blitz 2022 – Round 13.12 – Caruana, Fabiano – 1-0 – Yoo, Christopher Woojin – G674 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O dxc4 9. Bxc4 c5 10. Rd1 Bxf3
World Rapid 2016 – Round 2.2 – Fressinet, Laurent – 1-0 – Mamedyarov, Shakhriyar – G60 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Be2 Bd6 9. O-O O-O 10. Bb2 Qe7
XXI SuperGM 2004 – Round 5 – Radjabov, Teimour – 1/2-1/2 – Vallejo Pons, Francisco – G12 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. cxd5 cxd5 9. Ne5 a6 10. O-O b5
XXI SuperGM 2004 – Round 7 – Kasparov, Garry – 1-0 – Vallejo Pons, Francisco – G18 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O Be7 9. b3 Rc8 10. Bb2 Qc7
Yerevan ol (Men) 1996 – Round 14 – Giorgadze, Giorgi – 1-0 – Kaidanov, Gregory – G208 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 b6 7. Be2 Bb7 8. O-O Be7 9. b3 O-O 10. Bb2 Rc8
Zuerich Chess Challenge Blitz 2013 – Round 3.1 – Anand, Viswanathan – 1-0 – Gelfand, Boris – G5 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. O-O Bb4 9. a3 Bxc3 10. bxc3 dxc4