D45v — Semi-Slav: 6.Qc2 Bd6 7.Be2 O-O 8.O-O

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 Bd6 7.Be2 O-O 8.O-O * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, paire de fous.
Faiblesses adverses : Bc8 enfermé.
Problèmes : Bc1 enfermé, Be2 enfermé.
Plans :
● Bd2 — Développer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : avant-poste e4(C), Bd6 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Be2 enfermé.
Problèmes : Bc8 enfermé.
Plans :
● 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

D45v —

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 Bd6 7.Be2 O-O 8.O-O

Eval: [-0.07]

Les coups candidats

8…dxc4 — 54.1% (2929 parties)

Ambassadeurs : Husemann, Andreas (23x), Novikov, Igor (23x), Burmakin, Vladimir (19x), Horvath, Jozsef (14x), Chernin, Alexander (14x), Shirov, Alexei (14x), Akopian, Vladimir (13x), Dreev, Aleksey (13x)

8…Re8 — 18.3% (992 parties) →

Ambassadeurs : Sveshnikov, Evgeny (21x), Kaidanov, Gregory (9x), Karpov, Anatoly (8x), Kramnik, Vladimir (8x), Gurevich, Mikhail (8x), Feher, Gyula (8x), Kuczynski, Robert (6x), Lautier, Joel (5x)

8…Qe7 — 11.6% (630 parties) →

Ambassadeurs : Dreev, Aleksey (6x), Novikov, Igor (5x), Pinter, Jozsef (5x), Komarov, Dimitri (4x), Bareev, Evgeny (4x), Banikas, Hristos (4x), Zueger, Beat (4x), Gurevich, Mikhail (4x)

8…e5 — 7.5% (404 parties) →

Ambassadeurs : Mueller, Karsten, Dr. (6x), Farago, Ivan (6x), Cosma, Elena-Luminita (5x), Blauert, Joerg (5x), Thesing, Matthias (5x), Wahjuwidajat, Utut Adianto (5x), Miles, Anthony J (4x), Polgar, Sofia (4x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…dxc4	8…Re8	8…Qe7	8…e5
<1800	67	46%	18%	6%	9%
1800-2200	1201	55%	17%	9%	7%
2200-2600	3343	55%	17%	13%	8%
2600+	241	54%	18%	7%	7%

Évolution par décennie (% des parties)

Décennie	N parties	8…dxc4	8…Re8	8…Qe7	8…e5
1890s	1	100%	—	—	—
1910s	1	100%	—	—	—
1920s	1	100%	—	—	—
1930s	1	—	—	—	—
1940s	1	—	—	100%	—
1950s	3	—	—	67%	—
1960s	1	100%	—	—	—
1970s	6	17%	67%	17%	—
1980s	189	50%	21%	11%	14%
1990s	1834	38%	27%	18%	10%
2000s	1519	58%	17%	11%	7%
2010s	1415	70%	9%	6%	5%
2020s	443	59%	15%	5%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…dxc4	70%	59%	▼ -10.4%
8…Re8	9%	15%	▲ +5.3%
8…Qe7	6%	5%	▼ -1.0%
8…e5	5%	3%	▼ -1.8%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Aleksandr — 10 parties
Kramnik, Vladimir — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Ding, Liren — 5 parties
Kasparov, Garry — 4 parties
Tal, Mikhail — 3 parties
Botvinnik, Mikhail — 2 parties
Carlsen, Magnus — 2 parties
Smyslov, Vladimir — 1 partie

Parties historiques

8…dxc4 — 54.1% (2929 parties)

1895 — Blackburne, Joseph vs Von Bardeleben, Curt — 1-0 — Hastings ENG
1911 — Duz-Khotimirsky, Fedor Ivanovich vs Fahrni, Hans — 0-1 — Carlsbad CZE
1929 — Koshnitsky, Gregory vs Purdy, Cecil J S — 0-1 — Perth AUS
1962 — Roos, Michel vs Ferry, Roger — 1-0 — Paris FRA
1978 — Hessenbruch, Arne vs Ratti, Ruggero — 1/2-1/2 — Groningen Ech-jr

8…Re8 — 18.3% (992 parties)

1970 — Hawrelek, A. vs Joyner, Lionel — 0-1 — ?
1973 — Schneegass, H. vs Zimmermann, Heinz — 0-1 — corr DDR-PZ
1973 — Asfora, Marco Antonio H. vs Da Silva, Luiz Tavares — 0-1 — 40. BRA-ch Salvador BRA
1974 — Camin, G vs Ronsch, I — 1/2-1/2 — Potsdam GER
1985 — Eingorn, Vereslav S vs Kaidanov, Gregory — 1/2-1/2 — Moscow RUS

8…Qe7 — 11.6% (630 parties)

1946 — Fontein, George vs Wolthuis, — 1-0 — Leiden NED
1955 — Gereben, Erno vs Barczay, Laszlo — 1-0 — Budapest HUN
1958 — Pardo Roel, Eduardo vs Pomar Salamanca, Arturo — 1/2-1/2 — Valencia
1970 — Stoliar, Efim Samoilovich vs Marsalek, Josef — 1-0 — Bourgas BUL
1983 — Samarin, J vs Schreiber, Werner — 1/2-1/2 — cr ch Eu

8…e5 — 7.5% (404 parties)

1983 — Skembris, Spyridon vs Inkiov, Ventzislav — 1-0 — Bor YUG
1986 — Eingorn, Vereslav S vs Izeta Txabarri, Felix — 1-0 — Cappelle la Grande FRA
1987 — Smejkal, Jakub vs Franke, Harald — 1/2-1/2 — Duitsland tt
1987 — Miles, Anthony J vs Nogueiras Santiago, Jesus — 1/2-1/2 — Zagreb CRO
1987 — Miles, Anthony J vs Wahjuwidajat, Utut Adianto — 1/2-1/2 — San Francisco, CA USA

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Be2	● Be2 Enfermé (mob. 2)
Bd6		● Bd6 Actif (mob. 10)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	2 (c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● e3-e4	● …c6-c5, ● …e6-e5

Partie
1957 Dublin zt – Round 15 – Walther, Edgar – 1/2-1/2 – Durão, Joaquim Manuel – G116 1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O b6 9. e4 dxe4 10. Nxe4 Nxe4
4. Norway Chess 2016 – Round 8.2 – Giri, Anish – 1/2-1/2 – Grandelius, Nils – G36 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Be2 Bd6 7. O-O O-O 8. Qc2 dxc4 9. a4 e5 10. Bxc4 exd4
80. Tata Steel GpA 2018 – Round 3.6 – Mamedyarov, Shakhriyar – 1/2-1/2 – Matlakov, Maxim – G18 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Be2 Bd6 7. Qc2 O-O 8. O-O dxc4 9. a4 e5 10. Bxc4 exd4
Amber Blindfold 2000 – Round 10 – Ljubojevic, Ljubomir – 1/2-1/2 – Nikolic, Predrag – G41 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O b6 9. e4 Nxe4 10. Nxe4 dxe4
Amber Blindfold 2007 – Round 2 – Svidler, Peter – 1/2-1/2 – Gelfand, Boris – G7 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O dxc4 9. a4 c5 10. Bxc4 a6
Amber Rapidplay 2000 – Round 9 – Ljubojevic, Ljubomir – 0-1 – Piket, Jeroen – G46 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O dxc4 9. Rd1 b5 10. e4 Be7
Biel Interzonal 1993 – Round 2 – Portisch, Lajos – 1/2-1/2 – Ivanchuk, Vasyl – G33 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O b6 9. e4 Nxe4 10. Nxe4 dxe4
FIDE World Cup 2017 – Round 3.3 – Saini Vidit – 1/2-1/2 – Ding, Liren – G345 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O b6 9. e4 dxe4 10. Nxe4 Nxe4
FIDE World Rapid 2014 – Round 8.32 – Debashis, Das – 0-1 – Matlakov, Maxim – G153 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O b6 9. b3 Bb7 10. Bb2 Qe7
Interpolis 1993 – Round 4 – Karpov, Anatoly – 1/2-1/2 – Kaidanov, Gregory – G138 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O b6 9. e4 Nxe4 10. Nxe4 dxe4
Lindores Abbey Tal Memorial 2021 – Round 15.23 – Sasikiran, Krishnan – 1/2-1/2 – Cheparinov, Ivan – G645 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O b6 9. b3 Bb7 10. Bb2 Rc8
Lindores Abbey Tal Memorial 2021 – Round 17.11 – Petrosyan, Manuel – 1-0 – Matlakov, Maxim – G714 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. d4 Nbd7 6. Be2 Bd6 7. O-O O-O 8. Qc2 b6 9. e4 Nxe4 10. Nxe4 dxe4
Riga FIDE Grand Prix 2019 – Round 2.3 – Mamedyarov, Shakhriyar – 1/2-1/2 – Duda, Jacob – G47 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O b6 9. e4 dxe4 10. Nxe4 Nxe4
World Blitz 2018 – Round 12.54 – Miton, Kamil – 1-0 – Motylev, Alexander – G735 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O b6 9. e4 dxe4 10. Nxe4 Nxe4

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