Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (3v0)	● e5 (2v0)
Cases faibles	—	—
Centre	—	● e5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Actif (mob. 8)
Bg5	● Bg5 Actif (mob. 7)
Be7		● Be7 Ok (mob. 1)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (● 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	mobile
Ruptures	● e4-e5	● …d6-d5

B62c — Sicilian: Richter-Rauzer, 6…e6 7.Be2 Be7

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Be2 Be7 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plan principal. Mettre le roi à l'abri (O-O dans 49 % des parties).

Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile dame (3 contre 2), un contrôle dominant de b5, des fous actifs en e2 et g5 et la colonne semi-ouverte d.

Côté adverse. Un mauvais fou en c8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours — 49 % des parties) ; Qd2 (Prépare O-O-O — 30 % des parties) ; Qd3 (Centraliser la dame, Prépare O-O-O — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Mettre le roi à l'abri (...O-O dans 52 % des parties).

Atouts. Les Noirs s'appuient sur un contrôle dominant de e5, un avant-poste en e5 et la colonne semi-ouverte c.

Côté adverse. Le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou c8 et les tours a8 et h8).

Plans. ...O-O (Mettre le roi en sécurité, connecter les tours — 52 % des parties) ; ...a6 (Préparer expansion aile dame — 34 % des parties) ; ...h6 (Poser la question au Bg5 — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1927 Tunbridge Wells – Round 4 – Sergeant, Edward – 1/2-1/2 – Buerger, Victor – G11 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O a6 9. Qd2 Bd7 10. Rad1 Qc7
1928 Haag olm – Round ? – Beutum, W. – 0-1 – Bluemich, Max – G20 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e6 7. Bg5 Be7 8. Ndb5 a6 9. Bxf6 gxf6 10. Nd4 Bd7
1930 Scarborough – Round 2 – Sergeant, Edward – 1/2-1/2 – Winter, William – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd2 Nxd4 10. Qxd4 Nxe4
1933 BCF Ch 26th – Round 8 – Tylor, Theodore Henry – 1-0 – Mortlock, Alfred – G22 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Bf3 Ne5 10. Be2 Nc6
1934 BCF Ch 27th – Round 10 – Golombek, Harry – 1-0 – Wheatcroft, George – G52 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd2 a6 9. Rd1 Qc7 10. O-O Bd7
1936 Budapest HUN – Round 6 – Joyeux Steiner, Gael – 0-1 – Barcza, Gedeon – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O d5 9. exd5 Nxd5 10. Nxc6 bxc6
1938 GBR Ch 31st – Round 5 – Aitken, James – 0-1 – Thomas, George Alan – G13 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd2 a6 10. Be3 Bd7
1939 Leningrad ch-URS – Round 13 – Chistiakov, Alexander – 1/2-1/2 – Kan, Ilya A – G108 1. e4 c5 2. Ne2 Nf6 3. Nbc3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Kh1 a6 10. f4 Qc7
1940 New York ch-USA – Round 7 – Kashdan, Isaac – 1-0 – Denker, Arnold S – G35 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Kh1 d5 10. exd5 Nxd5
1942 Moscow – Round 1 – Ravinsky, Grigory – 1-0 – Lisitsin, Georgy – G12 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd2 O-O 9. O-O-O a6 10. f4 Bd7
1945 Moskou ch-URS – Round 1 – Konstantinopolsky, Alexander – 1/2-1/2 – Boleslavsky, Isaac – G93 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd2 O-O 9. O-O-O a6 10. Nb3 Qb6
1946 Zagreb ch YUG – Round 4 – Rabar, Braslav – 1/2-1/2 – Gligoric, Svetozar – G6 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd2 h6 9. Be3 a6 10. f4 Qc7
1947 Parnu – Round 1 – Keres, Paul – 0-1 – Bronstein, David I – G38 1. e4 c5 2. Ne2 Nc6 3. Nbc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 e6 7. Be2 Be7 8. Qd2 a6 9. Rd1 O-O 10. O-O Qb6
1947 Parnu – Round 1 – Keres, Paul Petrovich – 1/2-1/2 – Boleslavsky, Isaac – G37 1. e4 c5 2. Ne2 Nc6 3. Nbc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 e6 7. Be2 Be7 8. O-O a6 9. Qd3 O-O 10. Rad1 Ne5
1947 URS Ch sf – Round 1 – Ravinsky, Grigory – 1/2-1/2 – Aarland, Stein Arild – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O a6 9. Qd3 O-O 10. Rad1 Ne5
1948 OWL Ch – Round 5 – Tempelmeier Oskar – 1-0 – De Meyer, Alexander – G6 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O a6 9. Kh1 Qc7 10. f4 O-O
1948 World Championship 18th – Round 13 – Smyslov, Vladimir – 0-1 – Botvinnik, Mikhail – G9 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Ndb5 a6 10. Bxf6 gxf6
1949 Berlin GER – Round 15 – Mross, Paul – 1-0 – Teschner, Rudolf – G14 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Nb3 a6 10. a4 b6
1949 Leningrad – Round 13 – Estrin, Yakov – 0-1 – Bondarevsky, Igor – G97 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd3 Bd7 10. Rad1 Nxd4
1949 Moscow Ch – Round ? – Estrin, Yakov – 1/2-1/2 – Fridstein, German – G55 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O a6 9. Qd3 O-O 10. Rad1 Ne5
1949 Moskou ch-URS – Round 1 – Liublinsky, Victor – 0-1 – Boleslavsky, Isaac – G102 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd2 O-O 9. O-O 9. ... a6 10. Rad1 Qb6
1949 Moskou ch-URS – Round 1 – Liublinsky, Victor – 1/2-1/2 – Bronstein, David I – G100 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd2 O-O 9. Rd1 a6 10. O-O Qb6
1949 URS Ch, semi final – Round 1 – Cherepkov, Alexander V – 0-1 – Aronin, Lev – G49 1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd3 d5 10. exd5 Nxd5
1949 URS Ch, semi final – Round 17 – Bannik, Anatolij – 1-0 – Chekhover, Vitaly – G126 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd3 O-O 9. Rd1 a6 10. O-O Qc7
1949 URS Ch, semi final – Round 3 – Chistiakov, Alexander – 0-1 – Ilivitsky, Georgy A – G37 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd3 Bd7 10. Rad1 Nxd4
1950 Candidats Tournament – Round 9 – Keres, Paul Petrovich – 1/2-1/2 – Bronstein, David I – G38 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd3 h6 10. Bc1 Kh8
1950 Dubrovnik olm – Round 3 – Beni, Alfred – 1/2-1/2 – Poulsen, Christian – G39 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd3 O-O 9. Rd1 d5 10. Qg3 Nxd4
1950 HUN-ch06 – Round 1 – Szily, Jozsef – 0-1 – Szilagyi, Gyorgy Laszlo – G41 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd3 a6 10. Rad1 Bd7
1950 Szcawno Zdroj – Round ? – Troianescu, Octav – 0-1 – Geller, Efim P – G12 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd3 h6 9. Bxf6 Bxf6 10. Ndb5 O-O
1950 URS Ch sf – Round 1 – Byvshev, Vasily – 1-0 – Guldin, Lev Isaevich – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd2 h6 10. Be3 e5
1950 URS Ch sf – Round 8 – Tolush, Alexander V – 1-0 – Taimanov, Mark E – G7 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd3 h6 9. Bxf6 Bxf6 10. Ndb5 O-O
1951 Hungary Ch – Round 1 – Szily, Jozsef – 1/2-1/2 – Benko, Pal – G67 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd3 Qa5 10. Bd2 Qc7
1952 Chester ch-BCF – Round 10 – Sergeant, Edward – 0-1 – Haggai Mawejje Israel – G23 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd2 a6 10. Rad1 Qb6
1952 URS ch sf – Round 15 – Cherepkov, Alexander V – 0-1 – Tolush, Alexander V – G97 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd3 a6 9. O-O Bd7 10. Rad1 Qc7
1953 Bucharest – Round 11 – Barda, Olaf – 0-1 – Boleslavsky, Isaac – G107 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd3 Bd7 10. Rad1 Nxd4
1953 Bucharest – Round 8 – Bucsi Szabo, Solt – 1-0 – Szabo, Ladislav – G78 1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd3 O-O 9. Rd1 Bd7 10. O-O Nxd4
1953 Hastings ch-BCF – Round 9 – Aabel Thomas Eapen – 1/2-1/2 – Barden, Leonard – G80 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd3 O-O 9. Rd1 a6 10. O-O Bd7
1953 Venetie – Round 8 – Paoli, Enrico – 1/2-1/2 – Bhend, Edwin – G12 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Kh1 a6 10. Qd2 Qc7
1954 Olympiad final B – Round 12 – Nash, William – 0-1 – Enevoldsen, Harald – G77 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e6 7. Bg5 Be7 8. O-O a6 9. Kh1 Qc7 10. f4 Bd7
1954 Pan American Ch 2nd – Round 11 – Rivise, Irving – 0-1 – Pomar Salamanca, Arturo – G26 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bg5 e6 7. Be2 Be7 8. Qd3 a6 9. Rd1 Qa5 10. Be3 Ne5
1954 Pan American Ch 2nd – Round 3 – Rivise, Irving – 1-0 – Penquite, John – G14 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd3 O-O 9. Rd1 a6 10. O-O Bd7
1955 Moskou ch-URS – Round 1 – Kan, Ilya A – 1/2-1/2 – Sherbakov, Vitaly – G83 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd3 a6 10. Rad1 Qc7
1955 USSR – Round 6.6 – Lebedev Soler, Andrei – 0-1 – Furman, Slavomir – G6 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O a6 9. Kh1 Qc7 10. Qd3 h6
1958 Munich olm prel – Round 3 – Rossolimo, Nicolas – 1/2-1/2 – Homayoon Navabi, Amir – G31 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd3 O-O 9. Rd1 Nxd4 10. Qxd4 Qa5
1959 URS Team Ch – Round 1 – Gurgenidze, Bukhuti – 1/2-1/2 – Geller, Efim P – G53 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Be2 Be7 8. Qd2 O-O 9. Rd1 Nxd4 10. Qxd4 Qa5
1959 York ch-BCF – Round 1 – Sergeant, Edward – 1-0 – Beaty, J. – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd2 a6 10. Rad1 Qc7
1960 GBR Ch 47th – Round 11.2 – Haygarth, Michael John – 1-0 – Barden, Leonard – G93 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Be2 Be7 8. Qd3 O-O 9. Rd1 Nxd4 10. Qxd4 Bd7
1961 Debrecen – Round 3 – Paoli, Enrico – 1/2-1/2 – Szily, Jozsef – G21 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd2 a6 9. Rd1 Bd7 10. O-O O-O
1963 P.C.C. A-P-A A6 – Round ? – Jones, A F. – 1/2-1/2 – Collins, Richard Arnold – G7 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O h6 9. Be3 O-O 10. f4 Nxd4
1965 Tbilisi – Round 1 – Kholmov, Ratmir D – 1/2-1/2 – Dzindzichashvili, Roman – G45 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. Qd2 Nxe4 10. Nxe4 Bxg5
1965 Tbilisi Tbilisi GEO – Round 1 – Gurgenidze, Bukhuti – 1-0 – Jansa, Vlastimil – G33 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be2 Nf6 7. Bg5 Be7 8. Qd2 O-O 9. Rd1 Nxd4 10. Qxd4 Qa5
1965 Titograd – Round 15 – Marić, Rudolf – 0-1 – Bradvarevic, Aleksandar – G109 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Qd3 h6 9. Bxf6 Bxf6 10. Ndb5 O-O
1966 Tbilisi – Round 1 – Gurgenidze, Bukhuti – 1-0 – Dzindzichashvili, Roman – G11 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. Nb3 a6 9. Qd2 b5 10. a3 Bb7
1966 US Open – Round 11 – Edberg, Robert E – 0-1 – Zalys, Ignas – G69 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e6 7. Bg5 Be7 8. Qd2 a6 9. Rd1 Bd7 10. O-O Qc7
30. ECC Open 2014 – Round 3.9 – Webb, Matthew D – 0-1 – Najer, Evgeniy – G70 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Be2 Be7 8. O-O O-O 9. a3 a6 10. Qd3 h6

B62c — Richter-Rauzer (1927)

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Be2 Be7

Les coups candidats

8.O-O — 49.4% (266 parties)

Ambassadeurs : Sergeant, Edward (3x), Timmerman, Gert (3x), Szily, Jozsef (2x), Kovacs, Gabor (2x), Mrvova, Alena (2x), Damjanovic, Vladimir (2x), Nguyen, Tuan Loc (2x), Meijers, Viesturs (2x)

8.Qd2 — 30.3% (163 parties)

Ambassadeurs : Gurgenidze, Bukhuti (2x), Zalys, Ignas (2x), Blackstone, John (2x), Alcazar Jimenez, Jesus Alberto (2x), Vovsha, Eli (2x), Lapiken, Peter Petrovich (1x), Kovacs, Zoltan (1x), Akopian, Gagik (1x)

8.Qd3 — 6.1% (33 parties)

Ambassadeurs : Vukovic, Zdravko (4x), Barden, Leonard (3x), Rivise, Irving (2x), Alexander Tadala (2x), Novak, Zbynek (1x), Hýbl, Jaroslav (1x), Beni, Alfred (1x), Poulsen, Christian (1x)

8.f4 — 4.3% (23 parties)

Ambassadeurs : Zivkovic, Dragan (1x), Larsen, Samuel Hans (1x), Martelli, Robert (1x), Rumsch, B (1x), Samos Hernandez, Abraham (1x), Elguezabal Varela, Daniel (1x), Pretelt, Victor (1x), Lopez, Luis Alejandro (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.O-O	8.Qd2	8.Qd3	8.f4
<1800	53	47%	32%	2%	4%
1800-2200	211	44%	36%	3%	5%
2200-2600	118	67%	23%	8%	1%

Évolution par décennie (% des parties)

Décennie	N parties	8.O-O	8.Qd2	8.Qd3	8.f4
1950s	35	51%	14%	34%	—
1960s	24	33%	50%	12%	—
1970s	18	61%	22%	—	6%
1980s	33	48%	30%	15%	6%
1990s	107	46%	30%	6%	7%
2000s	155	52%	31%	2%	3%
2010s	128	52%	32%	1%	6%
2020s	38	42%	29%	8%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.O-O	52%	42%	▼ -10.2%
8.Qd2	32%	29%	▼ -3.1%
8.Qd3	1%	8%	▲ +7.1%
8.f4	6%	0%	▼ -6.2%

Joueurs célèbres

Champions du monde dans cette position

Carlsen, Magnus — 1 partie

Parties historiques

8.O-O — 49.4% (266 parties)

1950 — Keres, Paul Petrovich vs Bronstein, David I — 1/2-1/2 — Budapest HUN
1950 — Szily, Jozsef vs Szilagyi, Gyorgy Laszlo — 0-1 — Budapest HUN
1950 — Koska, Josef vs Kozma, Julius — 0-1 — Zlin ch CZE nahra
1950 — Byvshev, Vasily vs Guldin, Lev Isaevich — 1-0 — Gorky
1951 — Kostic, Boris vs Kozomara, Vlado — 1/2-1/2 — Ljubljana ch YUG

8.Qd2 — 30.3% (163 parties)

1952 — Rivise, Irving vs Keckhut, John — 1/2-1/2 — Los Angeles, CA USA
1956 — Lapiken, Peter Petrovich vs Kovacs, Zoltan — 0-1 — Hollywood, CA
1956 — Kalangire Richard vs Schoisswohl, A — 1-0 — AUT-2ch [Ahues,C
1956 — Makarov, Arkady Alexandrovic vs Kurass, Iskir — 1-0 — Kiev UKR
1959 — Gurgenidze, Bukhuti vs Geller, Efim P. — 1/2-1/2 — Moscow RUS

8.Qd3 — 6.1% (33 parties)

1950 — Beni, Alfred vs Poulsen, Christian — 1/2-1/2 — Dubrovnik olm
1950 — Alexander Tadala vs Taimanov, Mark — 1-0 — Leningard
1950 — Troianescu, Octav vs Geller, Efim P. — 0-1 — Szcawno Zdroj
1952 — Milic, Aleksa vs Puc, Fabrice — 1/2-1/2 — Belgrade SRB
1952 — Cherepkov, Alexander V vs Alexander Tadala — 0-1 — Riga LAT

8.f4 — 4.3% (23 parties)

1976 — Martelli, Robert vs Rumsch, B — 0-1 — Haifa ISR
1986 — Samos Hernandez, Abraham vs Elguezabal Varela, Daniel — 0-1 — Valladolid
1989 — Zivkovic, Dragan vs Larsen, Samuel Hans — 1-0 — Belgrade SRB
1990 — Ingram, Alan vs Bondari, C. — 0-1 — Greater Peoria Open
1992 — Abhishek Chand S vs Mansor, Tarec — 1-0 — Ladenburg AT

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