Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● g7→h6
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1)	● f5 (2v0), ● g5 (2v1)
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (1v0), ● e5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● e

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	Non	● Oui
Clouages	● knight c3	—
Non développées	3 (● f1, ● a1, ● h1)	4 (● b8, ● 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

D38n — QGD: Ragozin, 5.Bg5 h6 6.Bxf6 Qxf6 7.cxd5

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Bg5 h6 6.Bxf6 Qxf6 7.cxd5 exd5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Qb3 (Prépare O-O-O — 44 % des parties) ; Qa4+ (Contrôle diagonale a4-e8, Prépare O-O-O — 28 % des parties) ; Rc1 (Tour sur colonne semi-ouverte c — 17 % des parties) ; e3 (Libérer Bf1, préparer Bd3 — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nc6 (Développer b8 — 32 % des parties) ; ...c5 (Frapper le centre adverse — 23 % des parties) ; ...O-O (Mettre le roi en sécurité, connecter les tours — 16 % des parties) ; ...Qd6 (Centraliser la dame — 15 % des parties) ; ...Bxc3+ (Fou actif (mobilité 6) — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1942 Moscow RUS – Round 1 – Kan, Ilya A – 1-0 – Kotov Lundqvist, Alex – G8 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. Rc1 O-O 10. e3 Qg6
1946 JUG Ch – Round 15 – Pirc, Vasja – 1/2-1/2 – Kostic, Boris – G44 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 Qb6 9. e3 O-O 10. Bd3 c6
1949 Zagreb ch YUG – Round 19 – Vukovic, Sava – 1/2-1/2 – Fuderer, Andrija – G39 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Bb4+ 5. Nc3 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. e3 O-O 9. Qb3 c5 10. Be2 Nc6
1950 HUN-ch06 – Round 1 – Benko, Pal – 1/2-1/2 – Gereben, Erno – G22 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Bb4 5. Nf3 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Rc1 O-O 9. a3 Bxc3+ 10. Rxc3 c6
1950 URS Ch sf Kiev UKR – Round 12 – Pavlov, Mircea-Sergiu-Aurelian – 1/2-1/2 – Ragozin, Viacheslav – G8 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. Ne5 Bd7 10. Nxc6 Bxc3+
1952 Helsinki olm – Round 1 – Cobo Arteaga, Eldis – 0-1 – Rossetto, Hector – G50 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Qb3 Bxc3+ 9. bxc3 c6 10. e3 O-O
1952 JUG Ch Belgrade YUG – Round 18 – Trifunovic, Petar – 1/2-1/2 – Gligoric, Svetozar – G18 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Bb4+ 5. Nc3 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Rc1 c6 9. a3 Bxc3+ 10. Rxc3 O-O
1952 Moscow Ch – Round 5 – Liublinsky, Victor – 0-1 – Estrin, Yakov – G30 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Rc1 O-O 9. a3 Bxc3+ 10. Rxc3 c6
1952 Saltsjobaden Interzonal – Round 3 – Pachman, Ludek – 1/2-1/2 – Averbakh, Yuri L – G22 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Bb4+ 5. Nc3 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Rc1 O-O 9. a3 Bxc3+ 10. Rxc3 c6
1952 Saltsjobaden Interzonal – Round 9 – Petrosian, Tigran V – 1-0 – Pachman, Ludek – G87 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Nc3 Bb4 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 O-O 9. Be2 c6 10. O-O Bg4
1953 Candidats Tournament – Round 13 – Boleslavsky, Isaac – 1/2-1/2 – Averbakh, Yuri L – G80 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 a6
1953 Candidats Tournament – Round 16 – Smyslov, Vladimir – 1/2-1/2 – Averbakh, Yuri L – G99 1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. d4 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 Qd6 9. a3 Bxc3+ 10. Qxc3 O-O
1953 HUN Ch Budapest HUN – Round 1 – Laszlo, Csaba – 1/2-1/2 – Gasztonyi, Endre – G21 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 Qd6 9. a3 Bxc3+ 10. Qxc3 O-O
1953 Mar del Plata – Round 3 – Gligorić, Svetozar – 1-0 – Medina-Garcia, Antonio – G51 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Rc1 Qd6 9. a3 Ba5 10. Qa4+ Nc6
1953 Mar del Plata – Round 6 – Maderna, Carlos – 1/2-1/2 – Wexler, Bernardo – G72 1. c4 e6 2. Nc3 d5 3. d4 Bb4 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 Qd6 9. e3 O-O 10. Be2 c6
1954 Bucharest – Round 14 – O'Kelly de Galway, Alberic – 1/2-1/2 – Kholmov, Nikita Vit – G115 1. c4 e6 2. Nc3 Nf6 3. Nf3 d5 4. d4 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Rc1 O-O 9. a3 Bxc3+ 10. Rxc3 Qd6
1954 Bucharest – Round 15 – Filip, Marius Liviu – 1-0 – Voiculescu, Paul – G124 1. c4 Nf6 2. d4 e6 3. Nf3 d5 4. Bg5 Bb4+ 5. Nc3 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Bd7
1955 Buenos Aires CA – Round 15 – Bisguier, Arthur B – 1/2-1/2 – Ivkov, Borislav – G108 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 c5 9. dxc5 Nc6 10. e3 O-O
1955 Gothenburg Interzonal – Round 2 – Filip, Marius Liviu – 1/2-1/2 – Rabar, Bakhtyar Hamasaleh – G16 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Bb4+ 5. Nc3 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6
1955 Mar del Plata – Round 1 – Idigoras, Gregorio – 1/2-1/2 – Ivkov, Borislav – G2 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6
1955 Moscow RUS – Round 13 – Chistiakov, Alexander – 0-1 – Estrin, Yakov – G10 1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. cxd5 exd5 5. Nc3 Bb4 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 c6 9. Bd3 Bd6 10. Qc2 O-O
1955 Moskou ch-URS – Round 1 – Petrosian, Tigran A. – 1/2-1/2 – Antoshin, Vladimir S – G61 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 a6
1955 URS Ch sf – Round 1 – Geller, Efim P – 1/2-1/2 – Estrin, Yakov – G26 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Bb4 6. Nf3 h6 7. Bxf6 Qxf6 8. Qb3 c5 9. Qxd5 Nc6 10. e3 Be6
1956 Moscow olm fin-B – Round 11 – Boey, Josef – 0-1 – Platz, Hans – G119 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 O-O 9. Qb3 c5 10. dxc5 Nc6
1958 HUN Ch 13th – Round 11 – Szilagyi, Gyorgy Laszlo – 1-0 – Florian, Tibor – G92 1. c4 Nf6 2. Nf3 e6 3. d4 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6
1958 Sofia – Round 2 – Bobekov, Radko – 1/2-1/2 – Padevsky, Nikola – G21 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 c5 9. a3 Bxc3+ 10. Qxc3 Nd7
1958 Sofia – Round 9 – Szilagyi, Gyorgy Laszlo – 1-0 – Padevsky, Nikola – G45 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Qa4+ Nc6 9. e3 O-O 10. Be2 a6
1959 Candidats Tournament – Round 8 – Olafsson, Fridrik – 1-0 – Petrosian, Tigran V – G27 1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. d4 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6
1959 Dresden – Round 1 – Padevsky, Nikola – 1/2-1/2 – Karaklajic, Nikola – G5 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Qb3 Bxc3+ 9. bxc3 c6 10. e3 O-O
1959 New York ch-USA – Round 4 – Denker, Arnold S – 0-1 – Fischer, Raphael – G19 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Rc1 O-O 9. a3 Bxc3+ 10. Rxc3 c6
1959 Santiago – Round 10 – Letelier Martner, Rene – 1/2-1/2 – Abreu Sanchez, Leonel Jesus – G56 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. a3 Bxc3+ 9. bxc3 O-O 10. e3 c5
1960 AUS Ch – Round 1.2 – Endzelins, Lucius – 0-1 – Averbakh, Yuri L – G3 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. Rc1 O-O 10. e3 Qd6
1962 Vrnjacka Banja – Round 9 – Bukic, Enver – 1-0 – Karaklajic, Nikola – G87 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6
1963 Hoogovens – Round 16 – Trifunovic, Petar – 1/2-1/2 – Averbakh, Yuri L – G128 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Bb4+ 5. Nc3 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Rc1 c6 9. a3 Bxc3+ 10. Rxc3 O-O
1963 Miskolc Asztalos Memorial – Round 6 – Lengyel, Laszlo – 0-1 – Ghitescu, Theodor – G8 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 a6
1963 Sochi – Round 1 – Smyslov, Vladimir – 1-0 – Antoshin, Vladimir S – G1 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 Qd6 9. a3 Ba5 10. Qb5+ Nc6
1964 Moscow RUS – Round 12 – Nei, Iivo – 1/2-1/2 – Estrin, Yakov – G30 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 c5 9. dxc5 Bxc3+ 10. bxc3 Na6
1964 Rubinstein Memorial – Round 9 – Balcerowski, Witold – 1-0 – Tolush, Alexander V – G37 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 c5 9. dxc5 Nc6 10. e3 O-O
1964 WchT U26 11. fin-A – Round 6.1 – Liptay, Laszlo Dr. – 1/2-1/2 – Lombardy, William J – G94 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Qb3 Qd6 9. e3 Nd7 10. Be2 c6
1964 Zinnowitz Zinnowitz GER – Round 6 – Malich, Burkhard, Dr. – 1/2-1/2 – Dely, Peter – G23 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Rc1 O-O 9. a3 Bxc3+ 10. Rxc3 a5
1965 Budapest HUN – Round 15 – Polugaevsky, Lev – 1/2-1/2 – Taimanov, Mark E – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 c6 9. Bd3 Bf5 10. Bxf5 Qxf5
1966 Bucharest – Round 14 – Kolarov, Atanas S. – 1-0 – Ghitescu, Theodor – G53 1. Nf3 Nf6 2. d4 e6 3. c4 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 Qd6 9. e3 c6 10. Bd3 Nd7
1966 Hoogovens 28th – Round 1 – Van Scheltinga, Theo – 1/2-1/2 – Filip, Marius Liviu – G2 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 c5 9. e3 O-O 10. dxc5 Bxc3+
1968 Capablanca Memorial – Round 1 – Garcia Martinez, Salomon – 0-1 – Drimer, Dolfi – G25 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Qb3 Qd6 9. e3 O-O 10. Be2 c6
1968 Memorial Em. Lasker – Round 1 – Zaitsev, Alexander – 1/2-1/2 – Barczay, Laszlo – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 c6 9. Be2 O-O 10. O-O Nd7
1968 Skopje/Ohrid – Round 13 – Bukic, Enver – 1/2-1/2 – Sofrevski, Jovan – G103 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 a6
1968 Skopje/Ohrid – Round 19 – Hort, Vlastimil – 1-0 – Sofrevski, Jovan – G157 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 Nc6 9. e3 O-O 10. Qxd5 Re8
1969 Hoogovens – Round 4 – Langeweg, Kick – 1-0 – Acuna Medina, Angel G. – G35 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6
1969 Moscow Ch sf – Round ? – Frumson, Yury – 0-1 – Chistiakov, Alexander – G2 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Qb3 Qd6 9. a3 Bxc3+ 10. Qxc3 O-O
1969 Rhyl ch-BCF – Round 10 – Clarke, Paul R H – 0-1 – Bielby, Paul R – G76 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. a3 Bxc3+ 9. bxc3 O-O 10. e3 c5
1969 Schwerin – Round 1 – Malich, Burkhard, Dr. – 1-0 – Packroff, Hermann – G8 1. d4 e6 2. Nf3 d5 3. c4 Nf6 4. Bg5 Bb4+ 5. Nc3 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Qb3 c5 9. e3 Nc6 10. dxc5 O-O
36. Olympiad 2004 – Round 8 – Timman, Jan H – 1/2-1/2 – Izoria, Zviad – G270 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6
42. Olympiad 2016 – Round 9.6 – Van Wely, Loek – 1/2-1/2 – Hracek, Zbynek – G661 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 c5 9. a3 Bxc3+ 10. Qxc3 Nd7
77. Tata Steel GpA 2015 – Round 5.6 – Carlsen, Magnus – 1-0 – Aronian, Levon – G23 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6
78. Tata Steel GpA 2016 – Round 9.4 – Van Wely, Loek – 1/2-1/2 – So, Wesley – G60 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6
Brussels blitz 1987 – Round 1 – Torre, Eugenio – 1-0 – Tal, Mikhail – G53 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. a3 Bxc3+ 9. bxc3 c5 10. e3 Nc6
Malta ol (Men) 1980 – Round 1 – Ribli, Zoltan – 1/2-1/2 – Sosonko, Gennadi – G8 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 c5 9. a3 Bxc3+ 10. Qxc3 Nd7
Olympiad 2002 – Round 8 – Dao, Thien Hai – 1/2-1/2 – Ehlvest, Jaan – G257 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nf6 5. Bg5 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Qb3 Qd6 9. e3 O-O 10. Bd3 c6
Tashkent FIDE GP 2014 – Round 8.3 – Nakamura, Hikaru – 1/2-1/2 – Radjabov, Teimour – G45 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 c5 9. a3 Bxc3+ 10. Qxc3 Nd7
World Blitz 2015 – Round 20.35 – Salem, A.R. Saleh – 0-1 – Swiercz, Dariusz – G1250 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6
World Blitz 2015 – Round 5.76 – Al-Sayed, Mohammed – 1-0 – Grandelius, Nils – G333 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6
World Blitz 2016 – Round 6.31 – Bologan, Victor – 1-0 – Fressinet, Laurent – G242 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. Rc1 O-O 10. e3 Qg6
World Blitz 2016 – Round 7.11 – Dreev, Aleksey – 1-0 – Matlakov, Maxim – G262 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6
World Blitz 2016 – Round 7.21 – Bologan, Victor – 1/2-1/2 – Leko, Peter – G272 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. Rc1 O-O 10. e3 a6
World Blitz 2018 – Round 15.7 – Dreev, Aleksey – 1/2-1/2 – Giri, Anish – G922 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 a6
World Blitz 2019 – Round 12.13 – Dreev, Aleksey – 1/2-1/2 – Petrosyan, Manuel – G792 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 O-O 9. Qb3 Qb6 10. Bd3 c6
World Blitz 2019 – Round 9.8 – Dreev, Aleksey – 1/2-1/2 – Dubov, Daniil – G649 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 c6 9. Bd3 O-O 10. O-O Nd7
World Rapid 2016 – Round 7.20 – Dreev, Aleksey – 1/2-1/2 – Aleksandrov, Aleksej – G260 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Be6
World Rapid 2019 – Round 2.14 – Giri, Anish – 1/2-1/2 – Riazantsev, Alexander – G85 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. e3 O-O 10. Be2 Rd8

D38n — Ragozin (1942)

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Bg5 h6 6.Bxf6 Qxf6 7.cxd5 exd5

Les coups candidats

8.Qb3 — 41.7% (520 parties)

Ambassadeurs : Mitkov, Nikola (11x), Padevsky, Nikola (5x), Malich, Burkhard, Dr. (5x), Hoekstra, Matthew (5x), Cramling, Pia (5x), Kupreichik, Viktor D (4x), Hou, Yifan (4x), Hort, Vlastimil (3x)

8.Qa4+ — 27.1% (338 parties)

Ambassadeurs : Dreev, Aleksey (6x), Pravec, Ladislav (4x), Langeweg, Kick (3x), Ghitescu, Theodor (3x), Dizdar, Goran (3x), Pogorelov, Ruslan (3x), Pantzar, Milton (3x), Filip, Miroslav (2x)

8.e3 — 16.6% (207 parties)

Ambassadeurs : Galaktionov, Artem (6x), Hebert, Jean (3x), Duncan, Chris R (3x), Estrin, Yakov (2x), Berg, Klaus (2x), Sosonko, Gennadi (2x), Dunnington, Angus J (2x), Potapova, Margarita (2x)

8.Rc1 — 9.1% (114 parties)

Ambassadeurs : Averbakh, Yuri L (3x), Malich, Burkhard, Dr. (3x), Peric, Slavisa (3x), Medina-Garcia, Antonio (2x), Trifunovic, Petar (2x), Pachman, Ludek (2x), Blatny, Pavel (2x), Gligorić, Svetozar (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Qb3	8.Qa4+	8.e3	8.Rc1
<1800	24	33%	21%	21%	12%
1800-2200	248	41%	26%	22%	5%
2200-2600	807	43%	27%	15%	10%
2600+	50	34%	50%	10%	6%

Évolution par décennie (% des parties)

Décennie	N parties	8.Qb3	8.Qa4+	8.e3	8.Rc1
1950s	36	31%	33%	8%	22%
1960s	29	41%	28%	7%	17%
1970s	41	59%	24%	7%	7%
1980s	96	45%	26%	11%	16%
1990s	143	45%	20%	10%	17%
2000s	235	50%	19%	17%	9%
2010s	400	38%	34%	17%	6%
2020s	266	36%	27%	24%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Qb3	38%	36%	▼ -1.3%
8.Qa4+	34%	27%	▼ -7.4%
8.e3	17%	24%	▲ +7.4%
8.Rc1	6%	6%	+0.1%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 5 parties
Hou, Yifan — 5 parties
Kasparov, Garry — 1 partie
Ju, Wenjun — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie

Parties historiques

8.Qb3 — 41.7% (520 parties)

1950 — Kholmov, Ratmir D vs Efimov, Kondrat — 0-1 — SSSR
1952 — Yudovich, Mikhail sr vs Averbakh, Yuri L — 1/2-1/2 — Moscow RUS
1952 — Cobo Arteaga, Eldis vs Rossetto, Hector — 0-1 — Helsinki olm
1953 — Laszlo, Csaba vs Gasztonyi, Endre — 1/2-1/2 — HUN-ch Budapest HUN
1953 — Smyslov, Vasily vs Averbakh, Yuri L — 1/2-1/2 — Zurich SUI

8.Qa4+ — 27.1% (338 parties)

1950 — Pavlov, Mircea-Sergiu-Aurelian vs Ragozin, Viacheslav — 1/2-1/2 — URS-ch sf Kiev UKR
1953 — Boleslavsky, Isaac vs Averbakh, Yuri L — 1/2-1/2 — Zurich SUI
1954 — Filip, Miroslav vs Voiculescu, Paul — 1-0 — Bucharest ROU
1955 — Petrosian, Tigran V. vs Abanin, Vladimir — 1/2-1/2 — Moskou ch-URS
1955 — Filip, Miroslav vs Rabar, Braslav — 1/2-1/2 — Goteborg SWE

8.e3 — 16.6% (207 parties)

1952 — Petrosian, Tigran V. vs Pachman, Ludek — 1-0 — Stockholm izt
1955 — Chistiakov, Alexander vs Estrin, Yakov — 0-1 — Moscow RUS
1956 — Boey, Josef vs Platz, Hans — 0-1 — Moskou olm
1965 — Polugaevsky, Lev vs Taimanov, Mark — 1/2-1/2 — Budapest HUN
1968 — Zaitsev, Alexander vs Barczay, Laszlo — 1/2-1/2 — East Berlin GER

8.Rc1 — 9.1% (114 parties)

1950 — Benko, Pal vs Gereben, Erno — 1/2-1/2 — Budapest HUN
1952 — Liublinsky, Victor vs Estrin, Yakov — 0-1 — Moscow RUS
1952 — Trifunovic, Petar vs Gligorić, Svetozar — 1/2-1/2 — Belgrade SRB
1952 — Pachman, Ludek vs Averbakh, Yuri L — 1/2-1/2 — Saltsjobaden SWE
1952 — Pachman, Ludek vs Averbakh, Yuri L — 1/2-1/2 — Saltsjobaden SWE

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