E94r — King’s Indian: 7.O-O Nbd7 8.d5 Nc5 9.Qc2 a5

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.Qc2 a5 * ○ Trait aux Blancs

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 g4, 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. ...Bg4 (Développer Bc8, clouer Nf3) ; ...c6 (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)	● g4 (2v0)
Cases faibles	● e4	● d5
Centre	● d5 (3v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be2	● Be2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
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	—	● …c7-c6

Partie
1926 Semmering – Round 1 – Acebey Michel, Veroska – 0-1 – Davidson, Jacques – G42 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Qc2 a5 10. h3 Ne8
1931 GBR Ch 24th – Round 3 – Michell, Reginald – 1-0 – Tylor, Theodore Henry – G7 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Qc2 a5 10. Be3 b6
1935 Moscow – Round 4 – Lilienthal, Andor – 1-0 – Kan, Ilya A – G21 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. Qc2 a5 10. Be3 b6
1939 Buenos Aires ol f-A – Round 3 – Flores Alvarez, Rodrigo – 0-1 – Najdorf, Miguel – G53 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 Nc5 9. Qc2 a5 10. b3 Nh5
1939 Leningrad/Moscow – Round 6 – Flohr, Salo – 1-0 – Tolush, Alexander V – G44 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. Qc2 a5 10. Nd2 a4
1945 Buenos Aires Circulo – Round 3 – Stahlberg, Gideon – 1/2-1/2 – Pelikan, Jan – G11 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. Qc2 a5 10. Ne1 Ne8
1945 Novi Sad – Round 21 – Tot, Bora – 0-1 – Pirc, Vasja – G199 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Qc2 a5 10. Ne1 b6
1946 Barcelona – Round 10 – Pomar Salamanca, Arturo – 0-1 – Wood, Gabriel – G60 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. Qc2 a5 10. Be3 Ng4
1947 Aalborg – Round 3 – Nielsen, Julius – 0-1 – Wood, Baruch – G15 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. Qc2 a5 10. Ne1 Ne8
1947 Hilversum zt – Round 1 – O'Sullivan, Bartholomew – 0-1 – Szabo, Ladislav – G1 1. c4 Nf6 2. Nf3 g6 3. Nc3 d6 4. e4 Bg7 5. d4 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Qc2 a5 10. Be3 Nh5
1947 URS Ch, semi final – Round 8 – Lisitsin, Georgy – 1/2-1/2 – Zagorovsky, Vladimir – G45 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 Nc5 9. Qc2 a5 10. Ne1 Nfd7
1948 Bad Nauheim – Round 11 – Rellstab, Ludwig – 0-1 – Unzicker, Wolfgang – G17 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 g6 6. Be2 Bg7 7. O-O O-O 8. d5 Nc5 9. Qc2 a5 10. Ne1 Qe7
1948 Nijmegen – Round 1 – Van Mindeno, S B – 1/2-1/2 – Barendregt, Johan – G4 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. Qc2 a5 10. Be3 Ne8
1948 Nijmegen – Round 1 – Vlagsma, Chris – 0-1 – Van Scheltinga, Theo – 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 Nc5 9. Qc2 a5 10. Nd2 Ne8
1949 BUL Ch – Round 10 – Bobekov, Radko – 1-0 – Mechkarov, Stefan – G48 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. Qc2 a5 10. Ne1 Bg4
1949 Vienna – Round 1 – Simonovic, Aleksandar – 0-1 – Cs. Kovacs, Laszlo – G6 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. Qc2 a5 10. Nd2 a4
1950 Moskou ch-URS – Round 1 – Flohr, Salo – 1-0 – Suetin, Alexey S – G120 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. Qc2 a5 10. Ne1 Nfd7
1951 DDR Ch – Round 1 – Hunte, Hugo – 0-1 – Zirngibl, Albert – G1 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 d6 6. Be2 e5 7. O-O Nbd7 8. d5 a5 9. Qc2 Nc5 10. Be3 Nh5
1951 New York ch-USA – Round 11 – Shainswit, George – 1/2-1/2 – Horowitz, Albert Israel – G45 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. Qc2 a5 10. Nd2 Kh8
1951 URS Ch sf – Round 19 – Flohr, Salo – 1/2-1/2 – Kopaev, Nikolay A – G38 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Qc2 a5 10. Nd2 c6
1952 Budapest HUN – Round ? – Laszlo, Csaba – 0-1 – Flesch, Janos – G15 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. d5 Nc5 6. Qc2 a5 7. Be2 g6 8. Nf3 Bg7 9. O-O O-O 10. Nd2 Ne8
1952 ITA-AUT m – Round 1.8 – Auer, Franz – 1-0 – Primavera, Giuseppe – 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 Nc5 9. Qc2 a5 10. Ne1 Ng4
1952 ITA-ch15 – Round 2 – Primavera, Giuseppe – 1-0 – Fiore, Ignazio – G8 1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. Nc3 Nbd7 5. e4 e5 6. d5 Bg7 7. Be2 Nc5 8. Qc2 a5 9. O-O O-O 10. h3 Nh5
1952 POL-ch10 – Round 13 – Szapiel, Henryk – 1-0 – Szukszta, Janus – G93 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. Qc2 a5 10. Nd2 Nh5
1953 Bucharest – Round 12 – Barcza, Gedeon – 1/2-1/2 – Ciocaltea, Victor – G117 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nbd7 8. d5 Nc5 9. Qc2 a5 10. Ne1 b6
1953 Hastings ch-BCF – Round 7 – Franklin Sheunesu Mhembere – 0-1 – Yanofsky, Daniel Abraham – G63 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. Qc2 a5 10. Ne1 Ne8
1953 Venice – Round 8 – Primavera, Giuseppe – 1-0 – Van Scheltinga, Theo – G18 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. Qc2 a5 10. Ne1 Ne8
1954 Budapest tt Budapest HUN – Round ? – Makarczyk, Kazimierz – 1-0 – Koberl, Ferenc – G37 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 Nc5 9. Qc2 a5 10. Nd2 Ne8
1954 Gorki ch22-SU sf – Round 13 – Simagin, Vladimir – 1/2-1/2 – Nezhmetdinov, Rashid – G37 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. Qc2 a5 10. Ne1 c6
1954 URS-chTJ Coop – Round 1 – Petrosian, Tigran A. – 1-0 – Suetin, Alexey S – G4 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Nf3 e5 7. d5 Nbd7 8. O-O Nc5 9. Qc2 a5 10. Bg5 h6
1957 San Benedetto – Round 8 – Lilloni, Luciano – 1/2-1/2 – Florian, Tibor – 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 Nc5 9. Qc2 a5 10. Nd2 Ne8
1957 URS Ch, semi final – Round 15 – Simagin, Vladimir – 1-0 – Tarasov, Vitaly – G145 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. Qc2 a5 10. Ne1 Ne8
1958 Munich olm fin-A – Round 9 – Beni, Alfred – 1/2-1/2 – Walther, Edgar – G82 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 Nc5 9. Qc2 a5 10. Bg5 h6
1958 Munich olm prel – Round 6 – Filip, Miroslav – 0-1 – Matanovic, Aleksandar – G54 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. Qc2 a5 10. Ne1 Nfd7
1958 New York ch-USA – Round 3 – Sherwin, James T – 0-1 – Fischer, Raphael – G11 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7 8. O-O Nc5 9. Qc2 a5 10. Ne1 Ne8
1958 Tashkent ch URS sf – Round ? – Simagin, Vladimir – 1-0 – Peterson, Andrejs – G13 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 e5 6. Be2 O-O 7. O-O Nbd7 8. d5 Nc5 9. Qc2 a5 10. Be3 Ng4
1960 CSR Ch – Round 9 – Zajic, Jiri – 0-1 – Marsalek, Josef – G79 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 Nbd7 8. O-O Nc5 9. Qc2 a5 10. Ne1 Qe7
1960 Moscow CCCT – Round 3 – Antoshin, Vladimir S – 1-0 – Uhlmann, Wolfgang – G17 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 Nc5 9. Qc2 a5 10. Bg5 h6
1961 WchT U26 08th – Round 7.2 – Roessel, Frits – 1-0 – Jakobsen, Ole – G66 1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 Nbd7 8. O-O Nc5 9. Qc2 a5 10. Ne1 Bd7
1962 Argentina – Round 11 – Incutto, Carlos – 0-1 – Castaneda Cruz, Raul – G52 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. O-O Nbd7 8. d5 Nc5 9. Qc2 a5 10. Bg5 h6
1962 Hastings6263 – Round 5 – Clarke, Peter H – 0-1 – Marovic, Drazen – 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 Nc5 9. Qc2 a5 10. Bg5 h6
1962 Olympiad, Varna BUL – Round 1 – Petrosian, Tigran V – 1/2-1/2 – Gligorić, Svetozar – G3 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 Nc5 9. Qc2 a5 10. Bg5 h6
1962 URS Ch sf Riga LAT – Round ? – Lazarev, Gennady – 0-1 – Stein, Leonid – G6 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. d5 Na6 8. O-O Nc5 9. Qc2 a5 10. Be3 Ng4
1962 URS Team Ch – Round 1 – Antoshin, Vladimir S – 1/2-1/2 – Bersutzki, Gregory – G48 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 Nc5 9. Qc2 a5 10. Bg5 h6
1962 Zuerich – Round 1 – Rugiadini, Andrea – 0-1 – Jakobsen, Ole – G2 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e4 d6 6. Be2 e5 7. d5 Nbd7 8. O-O Nc5 9. Qc2 a5 10. Ne1 Qe7
1963 Club Argentino – Round 7 – Alonso-Lej De Las Casas, Fernando – 1-0 – Panno, Oscar – G32 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Qc2 a5 10. b3 Bd7
1963 Fortaleza zt – Round 11 – Camara, Helder – 1-0 – Olivera, Juan Francisco – G59 1. e4 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. Be2 Nbd7 6. Nf3 e5 7. d5 Nc5 8. Qc2 a5 9. O-O O-O 10. Ne1 Ne8
1963 Fortaleza zt – Round 7 – Gentil Junior, Luiz – 0-1 – Garcia Rodriguez, Raimundo – G33 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. d5 Nc5 6. Qc2 a5 7. Nf3 g6 8. Be2 Bg7 9. O-O O-O 10. Ne1 Ng4
1963 Moscow RUS – Round ? – Antoshin, Vladimir S – 0-1 – Liberzon, Vladimir M – G27 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 Nc5 9. Qc2 a5 10. Bg5 h6
1964 Capablanca Memorial – Round 16 – Smyslov, Vladimir – 1-0 – Cobo Arteaga, Eldis – G155 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Nf3 e5 7. d5 Nbd7 8. O-O Nc5 9. Qc2 a5 10. Ne1 Ne8
1964 SWE Ch – Round ? – Krantz, Kjell – 1-0 – Johansson, Martin 1979 – G60 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 Nbd7 8. O-O Nc5 9. Qc2 a5 10. Be3 Ne8
1964 WchT U26 11. fin-A – Round 6.2 – Khodos, German – 1-0 – Kuettner, Uwe – G100 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. Qc2 a5 10. Ne1 Ne8
1965 Buenos Aires ch-ARG – Round 5 – Aguayo Cruz, Ramon Uriel – 1/2-1/2 – Bolbochan, J. – G40 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 g6 6. Be2 Bg7 7. d5 O-O 8. Qc2 a5 9. O-O Nc5 10. Bg5 h6
1965 Ulan Bator – Round ? – Antoshin, Vladimir S – 1-0 – Badamgarav, G. – G7 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. Qc2 a5 10. Bg5 h6
1965 Zagreb – Round 2 – Antoshin, Vladimir S – 1-0 – Marovic, Drazen – G29 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 Nc5 9. Qc2 a5 10. Bg5 h6
1966 La Habana olm fin-C – Round 1 – Kerr, Brian – 0-1 – Zichichi, Alvise – G1 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. Qc2 a5 10. b3 Ne8
1966 Reykjavik – Round 4 – Wade, Robert G – 0-1 – Vasiukov, Evgeni – G20 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. O-O Nbd7 8. d5 Nc5 9. Qc2 a5 10. Ne1 Qe7
1966 Rzeszow ch POL – Round 14 – Zoltek, Tadeusz – 1-0 – Grabczewski, Romuald – G100 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. d4 Nbd7 7. O-O e5 8. d5 Nc5 9. Qc2 a5 10. Nd2 Bh6
1966 Rzeszow ch POL – Round 5 – Ziembinski, Marian – 1/2-1/2 – Pietrusiak, Bogdan – G28 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 Nc5 9. Qc2 a5 10. Ne1 Ne8
1966 Tbilisi ch-URS – Round 7 – Doroshkievich, Vladimir K – 0-1 – Geller, Efim P – G62 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. Be2 O-O 6. Nf3 e5 7. d5 Nbd7 8. O-O Nc5 9. Qc2 a5 10. Bg5 h6
1967 Harrachov – Round 1 – Hamann, Slawomir – 1/2-1/2 – Savon, Vladimir – G29 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. Qc2 a5 10. Bg5 h6
1967 HUN Ch – Round 7 – Toth, Bela – 1/2-1/2 – Szily, Jozsef – G18 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. Qc2 a5 10. Nd2 Ne8
1967 WchT U26 14th – Round 8.1 – Hamann, Svend – 1-0 – Zuckerman, Bernard – G6 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. Qc2 a5 10. Bg5 h6
1967 YUG-URS – Round 2 – Gligorić, Svetozar – 1/2-1/2 – Bogdanovic, Rajko – G10 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. Qc2 a5 10. Bg5 h6
1968 CB Cup Bad Aibling GER – Round 4 – Pfleger, Helmut, Dr. – 1/2-1/2 – Lee, Peter N – G7 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. Qc2 a5 10. a3 a4
1968 Clare Benedict Cup 15th – Round 4 – Pfleger, Helmut, Dr. – 1/2-1/2 – Lee, Peter N – G20 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. Qc2 a5 10. a3 a4
1969 Moskou ch-URS – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Lutikov, Anatoly S – G196 1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. O-O Nbd7 8. d5 Nc5 9. Qc2 a5 10. Bg5 h6
1969 Tbilisi – Round 14 – Spiridonov, Nikola – 0-1 – Tal, Mikhail – G20 1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. e4 O-O 6. Be2 e5 7. O-O Nbd7 8. d5 Nc5 9. Qc2 a5 10. Nd2 Bh6
1970 IBM – Round 2 – Gligoric, Svetozar – 1-0 – Langeweg, Kick – G76 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. Qc2 a5 10. Bg5 h6
1975 URS Team Ch – Round 5 – Kozlovskaya, Valentina – 1-0 – Golovey, Tamara O – G179 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. Qc2 a5 10. Ne1 Ne8
1975 URS Team Ch – Round 5 – Zhemajitis, G. – 1/2-1/2 – Dydyshko, Viacheslav – G171 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 a5 8. O-O Na6 9. Qc2 Nc5 10. Ne1 Ng4
FIDE WCh KO 2000 – Round 1.3 – Piket, Jeroen – 1/2-1/2 – Hernandez Guerrero, Gilberto – G32 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Na6 8. d5 Nc5 9. Qc2 a5 10. Bg5 h6
Lindores Abbey Tal Memorial 2021 – Round 1.60 – Ganguly, Surya Shekhar – 1/2-1/2 – Vantika Agrawal – G56 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 Nc5 9. Qc2 a5 10. Bg5 h6
Siegen olm 1970 – Round 16 – Gligoric, Sofija – 0-1 – Fischer, Raphael – G26 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. Qc2 a5 10. Bg5 h6
Superbet Rapid 2022 – Round 6.1 – Korobov, Anton – 0-1 – Rapport, Richard – G26 1. c4 g6 2. Nc3 Bg7 3. Nf3 Nf6 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Na6 8. d5 Nc5 9. Qc2 a5 10. Bg5 h6

E94r —

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.Qc2 a5

Les coups candidats

10.Bg5 — 38.8% (1450 parties)

Ambassadeurs : Huss, Andreas (21x), Naumkin, Igor (11x), Dobrev, Nanko (10x), Danner, Georg (10x), Wukits, Rene (10x), Zilberman, Yaacov (10x), Keene, Raymond D (9x), Antoshin, Vladimir S (8x)

10.Be3 — 21.3% (795 parties)

Ambassadeurs : Farkas, Sandor I (3x), Michell, Reginald (2x), De Coverly, Roger D (2x), Seel, Christian, Dr. (2x), Kiema, Nina (2x), Njirjak, Josip (2x), Mahmood Lodhi (2x), Ehren, Dieter (2x)

10.Ne1 — 19.0% (711 parties)

Ambassadeurs : Hicker, Harald (11x), Germann, Heike (5x), Faraj, Yahya (5x), De Coverly, Roger D (4x), Szakacs, Gabor (3x), Nersesjan, Grzegorz (3x), Koester, Sabrina (3x), Vanduyfhuys, Daria (3x)

10.b3 — 8.8% (330 parties)

Ambassadeurs : Kipper, Jens (2x), Tibenszkyne Kiss, Emese (2x), Sismanis, Aggelos (2x), Jagicza, Istvan (2x), Sarrazin Gendron, Roman (2x), Pogosyan, Stefan (2x), Sjugirov, Sanan (2x), Jordan, Adam (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Bg5	10.Be3	10.Ne1	10.b3
<1800	169	25%	31%	13%	13%
1800-2200	1504	28%	27%	21%	11%
2200-2600	1224	59%	11%	17%	6%
2600+	13	92%	8%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10.Bg5	10.Be3	10.Ne1	10.b3
1920s	1	—	—	—	—
1930s	10	10%	40%	10%	20%
1940s	21	14%	19%	38%	—
1950s	39	15%	18%	33%	—
1960s	78	36%	13%	29%	4%
1970s	143	65%	9%	17%	3%
1980s	245	53%	11%	20%	7%
1990s	723	41%	18%	19%	9%
2000s	1003	34%	23%	20%	10%
2010s	1254	36%	25%	18%	9%
2020s	224	42%	25%	14%	9%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Bg5	36%	42%	▲ +6.3%
10.Be3	25%	25%	▼ -0.9%
10.Ne1	18%	14%	▼ -3.9%
10.b3	9%	9%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

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

Parties historiques

10.Bg5 — 38.8% (1450 parties)

1939 — Kleinstein, Zelman vs Pelikán, Jiří — 0-1 — 8th Olympiad final
1942 — Benderev, Yurij vs Dimitrov Krastev, Krastjo — 0-1 — Sofia BUL
1946 — Ratner, Boris vs Pokorny, Amos — 1-0 — Soviet Union
1948 — Kostakiev, Dimitar vs Benderev, Yurij — 1/2-1/2 — Sofia BUL
1951 — Negyesy, Gyorgy vs Kapu, Jeno — 0-1 — Budapest HUN

10.Be3 — 21.3% (795 parties)

1931 — Michell, Reginald vs Flohr, Salo — 0-1 — Waverley Hotel
1931 — Michell, Reginald vs Tylor, Theodore Henry — 1-0 — Worcester
1935 — Lilienthal, Andor vs Kan, Ilya A — 1-0 — Moscow RUS
1935 — Cristia, Jose Maria vs Vinuesa, Juan — 0-1 — Buenos Aires ARG
1940 — Van Doesburgh, Gerrit vs Kramer, Haije — 0-1 — Leeuwarden NED

10.Ne1 — 19.0% (711 parties)

1939 — Pokorny, Amos vs Pelikán, Jiří — 1/2-1/2 — Prague olm qual
1945 — Stahlberg, Gideon vs Pelikan, Jan — 1/2-1/2 — Buenos Aires ARG
1945 — Tot, Bora vs Pirc, Vasja — 0-1 — Novi Sad SRB
1947 — Lisitsin, Georgy vs Zagorovsky, Vladimir — 1/2-1/2 — Leningrad RUS
1947 — Lisitsin, Georgy vs Khavin, Abram Leonidovich — 1-0 — Leningrad RUS

10.b3 — 8.8% (330 parties)

1935 — Staehelin, Adolf vs Eliskases, Erich — 0-1 — Zurich SUI
1939 — Flores Alvarez, Rodrigo vs Najdorf, Miguel — 0-1 — Buenos Aires ARG
1963 — Alonso-Lej De Las Casas, Fernando vs Panno, Oscar — 1-0 — Buenos Aires ARG
1965 — Gibson, John F. vs Thomson, Terence Audley K — 0-1 — Glasgow SCO
1966 — Kerr, Brian vs Zichichi, Alvise — 0-1 — Havana CUB

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