E94q — King’s Indian: 7.O-O Nbd7 8.d5

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nbd7 8.d5 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5….

Atouts. Les Blancs s'appuient sur les cases fortes b5 et g5 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte c5.

Atouts. Les Noirs s'appuient sur la case forte c5, un avant-poste en c5 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et e2.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...c6 (Rupture) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c4→d5, e4→d5	● d6→e5, c7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● g5 (2v0)	● c5 (2v0)
Cases faibles	—	● d5
Centre	● d4 (2v1), ● d5 (4v1)	● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be2	● Be2 Enfermé (mob. 1)
Bg7		● Bg7 Enfermé (mob. 2)
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	● …c7-c6, ● …c7-c5

Partie
1931 GBR Ch 24th – Round 1 – Spencer, Edmund – 0-1 – Thomas, George Alan – G1 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Qc2 b6 10. Ne1 Nc5
1932 Amsterdam/Karlsbad m – Round 9 – Flohr, Salo – 1/2-1/2 – Euwe, Max – G9 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Nd2 a5 10. Qc2 a4
1932 Bad Sliac – Round 1 – Flohr, Salo – 1-0 – Bogoljubow, Efim – G47 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Nd2 a5 10. Qc2 Bg4
1932 Bern – Round 4 – Flohr, Salo – 1/2-1/2 – Bogoljubow, Efim – G40 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 Nh5 9. g3 Ndf6 10. Re1 Bh3
1932 London – Round 1 – Buerger, Victor – 1/2-1/2 – Koltanowski, George – G3 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Ne1 Nc5 10. Qc2 Nfd7
1933 Folkestone Olympiad V – Round 7.4 – Dake, Arthur William – 1-0 – Alexander, Conol Hugh – G21 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Nbd7 7. O-O e5 8. d5 Nc5 9. Nd2 a5 10. Qc2 Ne8
1940 GER Ch 7th – Round 14 – Gilg, Karl – 1-0 – Lange, Wilfried – G17 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 Ne8 9. Ne1 f5 10. exf5 gxf5
1940 Moskou ch-URS – Round 10 – Lisitsin, Georgy – 1-0 – Konstantinopolsky, Alexander – G133 1. c4 d6 2. Nf3 e5 3. Nc3 Nf6 4. d4 Nbd7 5. e4 g6 6. d5 Bg7 7. Be2 O-O 8. O-O Nc5 9. Nd2 a5 10. Qc2 Ne8
1946 Moscow Ch – Round 1 – Kotov Lundqvist, Alex – 1/2-1/2 – Solntsev, Yury – G19 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. b3 Nh5 10. g3 Nc5
1946 Zaanstreek – Round 7 – Euwe, Max – 1-0 – Christoffel, Martin – G34 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. e4 Nbd7 5. Nf3 g6 6. Be2 Bg7 7. O-O O-O 8. d5 Nc5 9. Nd2 a5 10. Qc2 a4
1947 Buenos Aires/La Plata – Round 1 – Stahlberg, Gideon – 1-0 – Najdorf, Miguel – G1 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Ne1 Nc5 10. Bg5 h6
1947 La Plata-New York radio m – Round 1 – Luckis, Marcos – 1-0 – Byrne, David – G1 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. Nf3 O-O 5. e4 d6 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Nd2 a5 10. Qc2 Nfd7
1947 Leningrad ch-URS – Round 14 – Flohr, Salo – 0-1 – Aronin, Lev – G130 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Nd2 a5 10. Qc2 Ng4
1947 Sofia Balkaniade – Round 3.1 – Ichim, Trajan – 0-1 – Tsvetkov, Alexandar K – G22 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Ne1 Nc5 10. Bg5 h6
1948 Budapest – Round 12 – Szabo, Laszlo – 1-0 – Wood, Baruch – G68 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Ne1 Nc5 10. Bg5 h6
1948 Buenos Aires/La Plata it – Round 1 – Camara Bordon, Luis Marcos – 0-1 – Najdorf, Miguel – G15 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e4 d6 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Nd2 Ne8 10. Qc2 f5
1949 Bucharest – Round ? – Jenei, Ferenc – 1-0 – Popa Toma – G9 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 g6 5. e4 Bg7 6. Be2 O-O 7. O-O e5 8. d5 Nc5 9. Bg5 a5 10. Ne1 h6
1949 Budapest-Moscow – Round 1 – Flohr, Salo – 0-1 – Vajda, Arpad – G2 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf3 g6 6. Be2 Bg7 7. O-O O-O 8. d5 Nc5 9. Nd2 a5 10. Qc2 Bg4
1949 Budapest-Moscow – Round 6 – Flohr, Salo – 1-0 – Florian, Tibor – G42 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Nd2 a5 10. Qc2 Bg4
1949 Moskou ch-URS – Round 1 – Petrosian, Tigran A. – 0-1 – Geller, Efim P – G84 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 Nbd7 8. O-O Nc5 9. Nd2 a5 10. Qc2 Bh6
1950 Amsterdam ch-NED – Round 1 – Kramer, Hanspeter – 1/2-1/2 – Spanjaard, Eduard – G21 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Ne1 Nc5 10. Bg5 h6
1950 Moskou ch-URS – Round 1 – Flohr, Salo – 1/2-1/2 – Petrosian, Tigran V – G118 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nbd7 8. d5 Nc5 9. Nd2 a5 10. Qc2 Bh6
1950 Schiavno Zdroj – Round 1 – Pytlakowski, Andrzej – 0-1 – Greenfeld, Alon – G35 1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 Ne8 9. Be3 f5 10. exf5 gxf5
1951 DDR Ch – Round 15 – Platz, Hans – 0-1 – Pietzsch, Wolfgang – G36 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 g6 6. Be2 Bg7 7. O-O O-O 8. d5 Ne8 9. Qc2 c6 10. Rd1 h6
1951 Hungary Ch – Round 1 – Kapu, Jeno – 1/2-1/2 – Kluger, Gyula – G45 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7 8. O-O Nc5 9. Nd2 a5 10. Qc2 a4
1951 San Rafael – Round ? – Bauza, Lorenzo – 0-1 – Eliskases, Erich – G30 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Ne1 Nc5 10. f3 Nh5
1952 Helsinki olm – Round 1 – Lorson, Gerhard – 0-1 – Najdorf, Miguel – G20 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Qc2 Nh5 10. Ne1 Nf4
1952 Helsinki olm – Round 1 – Sakellaropoulos, Theodoros – 0-1 – Boleslavsky, Isaac – G116 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. d5 Nbd7 8. O-O Nc5 9. Nd2 a5 10. Qc2 Bh6
1953 GDR Ch – Round 9 – Krause, Kurt – 1/2-1/2 – Platz, Hans – G29 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nbd7 8. d5 Ne8 9. Ne1 f5 10. Nd3 Nef6
1953 HUN Ch Budapest HUN – Round ? – Navarovszky, Laszlo – 0-1 – Sandor, Bela – G55 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. d5 Nc5 9. Bg5 h6 10. Bxf6 Qxf6
1953 Zagreb – Round 7 – Udovcic, Mijo – 1-0 – Bulat, Ante – G65 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. d5 Nc5 9. Nd2 a5 10. Re1 Ne8
1954 Leningrad ch22-SU sf – Round 15 – Lisitsin, Georgy – 0-1 – Tolush, Alexander – G48 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 h6 9. Ne1 Nh7 10. Nc2 Ng5
1955 CSR Ch Army – Round 10 – Kozma, Julius – 1-0 – Macura, Emil – G12 1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Ne1 Nc5 10. Qc2 Ne8
1956 POL-CSR Warsaw POL – Round 1 – Dzieniszewski, Andrzej – 1/2-1/2 – Ujtelky, Maximilian – G5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Nd2 a5 10. Qc2 c6
1957 Dublin zt – Round 3 – Van Scheltinga, Theo – 0-1 – Benko, Pal – G17 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 g6 6. Be2 Bg7 7. O-O O-O 8. d5 Nc5 9. Nd2 a5 10. Qc2 Bh6
1958 HUN Ch Budapest HUN – Round 15 – Sandor, Bela – 1-0 – Kluger, Gyula – G78 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nbd7 8. d5 Nc5 9. Bg5 h6 10. Bxf6 Qxf6
1960 CSR Ch – Round 14 – Prucha, Karel – 0-1 – Alster, Ladislav – G119 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7 8. O-O a5 9. Nd2 Nc5 10. Qc2 a4
1960 Leipzig olm prel – Round 3 – Sapre, Ramchandra – 0-1 – Naranja, Renato – G93 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 Nbd7 8. O-O a5 9. Ne1 Nc5 10. Bf3 Ne8
1960 Leningrad tt – Round 2 – Kolarov, Atanas S. – 1/2-1/2 – Marsalek, Josef – G18 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7 8. O-O Nc5 9. Nd2 a5 10. Qc2 Bh6
1961 CSR Ch sf – Round 7 – Prucha, Karel – 1-0 – Malcanek, Oldrich – G14 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Nd2 a5 10. Qc2 Bh6
1961 Hastings6162 – Round 2 – Flohr, Salo – 1-0 – Barden, Leonard – G10 1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 Nbd7 8. O-O Nc5 9. Nd2 a5 10. Qc2 Bh6
1962 Liberation – Round 5 – Rossetto, Hector – 1-0 – ? – G8 1. d4 Nf6 2. Nf3 d6 3. c4 Nbd7 4. Nc3 e5 5. e4 g6 6. Be2 Bg7 7. O-O O-O 8. d5 Nc5 9. Nd2 a5 10. Qc2 Nfd7
1962 URS Team Ch – Round 1 – Antoshin, Vladimir S – 1-0 – Vasiukov, Evgeni – G45 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. Nf3 e5 7. d5 Nbd7 8. O-O a5 9. Bg5 h6 10. Bh4 g5
1963 New York ch-USA – Round 1 – Addison, Wiliam G – 1/2-1/2 – Steinmeyer, Robert – G11 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. d4 d6 6. Be2 e5 7. d5 Nbd7 8. O-O Nc5 9. Bg5 h6 10. Bxf6 Qxf6
1963 Sverdlovsk – Round ? – Ilivitsky, Georgy A – 1/2-1/2 – Kots, Yuri I – G4 1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7 8. O-O Ne8 9. Ne1 f5 10. exf5 gxf5
1964 Harrachov – Round 3 – Treybal, Dusan – 1/2-1/2 – Kupka, Slavoj – G6 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 h6 9. Ne1 Nh7 10. Be3 f5
1964 Malaga – Round 1 – Araujo Garcia, Taylor Javier – 0-1 – Durão, Joaquim Manuel – G3 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 Na6 8. O-O Nc5 9. Bg5 h6 10. Bxf6 Qxf6
1964 Moscow Ch – Round ? – Jakhin, Rashid – 1-0 – Simagin, Vladimir – G40 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Nbd7 7. O-O e5 8. d5 Nh5 9. g3 Ndf6 10. Ne1 Bh3
1964 Moscow Ch – Round ? – Simagin, Vladimir – 1/2-1/2 – Zaitsev, Igor A – G39 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 Nbd7 8. O-O c5 9. dxc6 Nc5 10. cxb7 Bxb7
1964 WchT U26 11. fin-B – Round 6.3 – Rugiadini, Andrea – 1/2-1/2 – Ree, Hans – G28 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Ne1 Ne8 10. Be3 f5
1965 Aalborg – Round 1 – Andersen, Borge – 1-0 – From, Sigfred – G17 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Bg5 h6 10. Bh4 Nc5
1965 Asztalos Memorial 8th – Round 11 – Florian, Tibor – 1-0 – Gasztonyi, Endre – G69 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Nd2 Ne8 10. Nb3 f5
1966 La Habana olm prel – Round 6 – Vranesic, Zvonko – 1-0 – Constantinou, Agathoclis – G223 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Be2 O-O 7. O-O e5 8. d5 Nc5 9. Nd2 a5 10. b3 Ne8
1967 Hoogovens – Round 7 – Donner, Jan-Hein – 1/2-1/2 – Darga, Klaus – G46 1. d4 g6 2. c4 Bg7 3. Nc3 Nf6 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7 8. O-O Nc5 9. Nd2 a5 10. Qc2 Ne8
1968 Lugano SUI – Round 1 – Primavera, Giuseppe – 1/2-1/2 – Le Donne, Patrick – G59 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 d6 6. Be2 e5 7. d5 Nbd7 8. O-O a5 9. Ne1 Nc5 10. f3 Ne8
1968 USA – Round 1 – Sandrin Chodorge, Antoine – 0-1 – Byrne, Ray – G5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 Na6 8. O-O Nc5 9. Bg5 h6 10. Bxf6 Qxf6
42. Olympiad 2016 – Round 1.3 – Saraci, Nderim – 0-1 – Ding, Liren – G44 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Na6 7. O-O e5 8. d5 Nc5 9. Nd2 a5 10. Qc2 Bh6
World Rapid 2021 – Round 1.78 – Samunenkov, Ihor – 1-0 – Shoker, Samy – G59 1. c4 g6 2. d4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Nf3 e5 6. Be2 Ngf6 7. O-O O-O 8. d5 a5 9. Be3 Ng4 10. Bg5 f6

E94q —

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nbd7 8.d5

Eval: [+0.02]

Les coups candidats

8…Nc5 — 68.3% (3468 parties) →

Ambassadeurs : Flohr, Salo (14x), Huss, Andreas (11x), Hicker, Harald (10x), De Coverly, Roger D (8x), Antoshin, Vladimir S (7x), Euwe, Max (6x), Tibenszkyne Kiss, Emese (6x), Milligan, Helen (6x)

8…a5 — 14.2% (721 parties)

Ambassadeurs : Sisniega Campbell, Marcel (4x), Frey Beckman, Kenneth (4x), Vann, Monica S (4x), Najdorf, Miguel (4x), Burke, Mitchell R (3x), Cruz, Walter (2x), Trompowsky, Octavio (2x), Antoshin, Vladimir S (2x)

8…Ne8 — 6.5% (328 parties)

Ambassadeurs : Platz, Hans (2x), Szmacinska, Grazyna (2x), Dallakian Oleg (2x), Barron, Phillip (2x), Ngo Thi Cam Tu (2x), Hernandez Graterol, Zaida Carolina (2x), Phan, Dang Khoa (2x), Aseeva, Anastasia (2x)

8…h6 — 4.1% (207 parties)

Ambassadeurs : Chomski, Maciej (2x), Bilo, Heinz (1x), Kubisch, Guido (1x), Seredenko, Vladimir (1x), Muratov, Vladimir A (1x), Veltmander, Iogannes (1x), Giterman, Shlomo (1x), Treybal, Dusan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…Nc5	8…a5	8…Ne8	8…h6
<1800	314	62%	17%	9%	5%
1800-2200	2010	69%	14%	6%	5%
2200-2600	1095	74%	13%	3%	3%
2600+	7	86%	14%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8…Nc5	8…a5	8…Ne8	8…h6
1920s	3	100%	—	—	—
1930s	27	70%	22%	—	—
1940s	42	71%	24%	2%	—
1950s	69	78%	13%	6%	1%
1960s	119	73%	14%	3%	3%
1970s	200	76%	12%	6%	4%
1980s	333	75%	13%	3%	4%
1990s	1130	66%	14%	9%	4%
2000s	1463	65%	14%	7%	5%
2010s	1467	69%	15%	6%	4%
2020s	224	73%	11%	4%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…Nc5	69%	73%	▲ +4.1%
8…a5	15%	11%	▼ -4.1%
8…Ne8	6%	4%	▼ -1.1%
8…h6	4%	4%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 6 parties
Smyslov, Vladimir — 3 parties
Anand, Viswanathan — 2 parties
Tal, Mikhail — 1 partie

Parties historiques

8…Nc5 — 68.3% (3468 parties)

1926 — Acebey Michel, Veroska vs Davidson, Jacques — 0-1 — Semmering AUT
1928 — Bogoljubow, Efim vs Euwe, Max — 1-0 — den Haag m
1928 — Bogoljubow, Efim vs Euwe, Max — 1-0 — The Netherlands
1931 — Michell, Reginald vs Flohr, Salo — 0-1 — Waverley Hotel
1931 — Michell, Reginald vs Tylor, Theodore Henry — 1-0 — Worcester

8…a5 — 14.2% (721 parties)

1931 — Spencer, Edmund vs Thomas, George Alan — 0-1 — Worcester
1932 — Buerger, Victor vs Koltanowski, George — 1/2-1/2 — London ENG
1934 — Michell, Reginald vs Flohr, Salo — 0-1 — Hastings ENG
1939 — Larsen, Ingrid vs Trepat, D. — 1/2-1/2 — Buenos Aires ARG
1939 — Laterza Luis vs Castro de Mendoza Rene — 0-1 — Buenos Aires ARG

8…Ne8 — 6.5% (328 parties)

1940 — Gilg, Karl vs Lange, Wilfried — 1-0 — Bad Oeynhausen GER
1950 — Pytlakowski, Andrzej vs Greenfeld, Alon — 0-1 — Schiavno Zdroj
1951 — Platz, Hans vs Pietzsch, Wolfgang — 0-1 — Schwerin GER
1953 — Krause, Kurt vs Platz, Hans — 1/2-1/2 — Jena GER
1955 — O'Riordan, Kenneth vs Maher, Vincent — 0-1 — Cork

8…h6 — 4.1% (207 parties)

1954 — Lisitsin, Georgy vs Tolush, Alexander — 0-1 — Leningrad ch22-SU sf
1964 — Bilo, Heinz vs Kubisch, Guido — 1-0 — Bad Oeynhausen GER
1964 — Treybal, Dusan vs Kupka, Slavoj — 1/2-1/2 — Harrachov
1967 — Veltmander, Iogannes vs Giterman, Shlomo — 0-1 — Kishinev MDA
1969 — Seredenko, Vladimir vs Muratov, Vladimir A — 1-0 — Kazachstan

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