E77f — King’s Indian: Four Pawns Attack, 6.Be2 c5 7.d5 e6 8.Nf3 exd5 9.exd5

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 c5 7.d5 e6 8.Nf3 exd5 9.exd5 * ● 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. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte f5.

Atouts. Les Noirs s'appuient sur les cases fortes g4 et f5, un avant-poste en f5 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et e2 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c4→d5	● d6→c5, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● g5 (2v0)	● g4 (2v0), ● f5 (2v0)
Cases faibles	—	● d5
Centre	● d4 (2v1), ● d5 (3v1), ● e5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● e	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Be2	● Be2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● f4-f5	—

Partie
1935 Oerebro – Round 7 – Lundin, Erik – 1-0 – Ekenberg, Bengt – G10 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. f4 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Bf5
1938 Argentina – Round 21 – Lalich, Voyin – 0-1 – Villegas, Benito – G96 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Ne4
1951 San Rafael – Round ? – Corral, Hector – 1-0 – Estrada Degrandi, Walter – G26 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Re8 10. h3 Nh5
1953 URS Team Ch – Round ? – Prokhorovich, Taras E – 0-1 – Korchnoi, Viktor – G20 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. f4 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Na6
1953 Wch-jr final – Round 5 – Penrose, Jonathan – 1/2-1/2 – Panno, Oscar – G12 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1954 Amsterdam olm – Round 1 – Wade, Robert G – 1/2-1/2 – Darga, Klaus – G77 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Bf5
1954 Belgrade – Round 5 – Wade, Robert G – 0-1 – Petrosian, Tigran A. – G53 1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 Nf6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Ne4
1954 Bucharest – Round 8 – Wade, Robert G – 1-0 – Abramovich Furman, Semyon – G73 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1954 Gorki ch22-SU sf – Round 1 – Vladimirov, Boris T – 0-1 – Boleslavsky, Isaac – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 c5 6. d5 d6 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1955 URS Ch sf Moscow RUS – Round 1 – Vladimirov, Boris T – 1-0 – Bellin, Bruno – G16 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 a6 10. a4 Re8
1956 Budapest Szikra – Round 1 – Barcza, Gedeon – 1/2-1/2 – Benko, Pal – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1956 Candidats Tournament – Round 3 – Filip, Marius Liviu – 1-0 – Szabo, Ladislav – G11 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1956 CSR Ch – Round 17 – Stulik, Vlastimil – 1/2-1/2 – Dolezal, Jiri – G154 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Re8
1956 Leningrad ch-URS – Round 1 – Antoshin, Vladimir S – 1/2-1/2 – Boleslavsky, Isaac – G66 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Re8
1957 URS Ch, semi final – Round 19 – Vladimirov, Boris T – 1-0 – Kots, Yuri I – G175 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1958 URS Ch sf – Round ? – Vladimirov, Boris T – 1-0 – Tarasov, Vitaly – G38 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Na6 10. O-O Nc7
1960 Buenos Aires ch-ARG – Round 7 – Schweber – 1/2-1/2 – Bolbochan, J. – G45 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 a6 10. O-O Bg4
1960 Leipzig olm fin-A – Round 5 – Mititelu, Gheorghe – 1/2-1/2 – Dittmann, Sieghart – G86 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Ne4
1960 Leningrad tt – Round 4 – Beyen, Roland – 1-0 – Malich, Burkhard, Dr. – G39 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. f4 O-O 7. Be2 e6 8. Nf3 exd5 9. exd5 Re8 10. O-O Ng4
1960 Sao Paulo zt – Round 18 – Schweber, Samuel – 1/2-1/2 – Perez Alcocer, Jose – G90 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Bf5
1961 Baku ch-URS – Round 14 – Vladimirov, Boris T – 1-0 – Gurgenidze, Bukhuti – G130 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Re8
1961 Bucharest GMT 5th – Round 7 – Mititelu, Gheorghe – 1/2-1/2 – Soos, Bela – G27 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 e6 7. Be2 exd5 8. exd5 O-O 9. Nf3 Bf5 10. O-O Re8
1961 Budapest-Leningrad m – Round 4.10 – Vladimirov, Boris T – 0-1 – Gasztonyi, Endre – G17 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. f4 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1961 IBM – Round 4 – Wade, Robert G – 1-0 – De Rooi, Paul – G20 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Bg4 10. O-O Nbd7
1961 Mar del Plata – Round 4 – Reinhardt, Enrique – 1-0 – Silva Nazzari, Roberto – G45 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Bf5
1961 New York ch-USA – Round 10 – Berliner, Hans – 0-1 – Lombardy, William J – G50 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Ne4
1961 ROM Ch – Round 1 – Mititelu, Gheorghe – 1/2-1/2 – Vaisman, Volodia – G3 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 e6 7. Nf3 exd5 8. exd5 O-O 9. Be2 Ng4 10. O-O f5
1961 Zevenaar – Round 11 – Wade, Robert G – 1/2-1/2 – Beni, Alfred – G74 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. f4 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Bf5
1962 Bucharest – Round 12 – Mititelu, Gheorghe – 1/2-1/2 – Thorbergsson, Freysteinn – G61 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Be2 e6 8. Nf3 exd5 9. exd5 Bf5 10. O-O Re8
1962 Hungary – Round 15 – Forintos, Gyozo V – 1-0 – Szollosi, Laszlo – G115 1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. f4 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1962 Hungary – Round 4 – Forintos, Gyozo V – 1/2-1/2 – Szabo, Ladislav – G32 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1962 Hungary – Round 4 – Liptay, Laszlo Dr. – 1-0 – Ozsvath, Andras – G33 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 a6 10. a4 b6
1962 Leningrad – Round 1 – Vladimirov, Boris T – 1-0 – Zilber, Israel – G12 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Nh5 10. O-O Bxc3
1962 Marianske Lazne – Round 1.1 – Liptay, Laszlo Dr. – 1-0 – Macdonald-Ross, Michael – G14 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Bf5
1962 Marianske Lazne – Round 4.1 – Liptay, Laszlo Dr. – 0-1 – Spassky, B. – G29 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Re8
1962 New York ch-USA – Round 2 – Berliner, Hans – 1/2-1/2 – Byrne, Ray – G10 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Ne8 10. O-O Nc7
1962 Olympiad – Round ? – Bilek, Istvan – 1/2-1/2 – Byrne, Robert E – G2 1. d4 g6 2. c4 Bg7 3. e4 d6 4. f4 Nf6 5. Nc3 c5 6. d5 e6 7. Nf3 exd5 8. exd5 O-O 9. Be2 Re8 10. O-O Ng4
1962 Reggio Emilia ITA – Round 3 – Honfi, Karoly – 1-0 – Fleischmann Claus – G10 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Na6 10. O-O Bd7
1962 Sofia – Round 5 – Padevsky, Nikola – 1-0 – Golz, Werner – G33 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Na6
1962 Stockholm int. turneringen – Round 1 – Lundin, Erik – 0-1 – Olsson, Ake – G2 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Na6
1962 Stockholm Interzonal – Round 2 – Schweber, Samuel – 1-0 – Bertok, Mario Jr. – G2 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1962 Stockholm Interzonal – Round 4 – Schweber, Samuel – 1-0 – Teschner, Rudolf – G3 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Ne4
1962 URS Team Ch – Round 1 – Barstatis, Reinhardas – 1/2-1/2 – Zilber, Israel – G47 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. Qc2 Bf5
1962 URS Team Ch – Round 1 – Maslov Lavrenuk, Vladimir – 0-1 – Gipslis, Aivars – G26 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Bxc3
1962 URS Team Ch – Round 1 – Mikenas, Vladas – 0-1 – Polugaevsky, L. – G46 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Nh5 10. O-O Bxc3
1962 URU Ch – Round 6 – Silva Nazzari, Roberto – 1/2-1/2 – Alvarez del Monte, Jose – G9 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Re8 10. O-O Ng4
1962 Varna – Round 6 – Brinck-Claussen, Bjorn – 0-1 – Littlewood, Paul E – G41 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1962 Varna olm – Round 1 – Silva Nazzari, Roberto – 1/2-1/2 – Kristjansson, Olafur – G42 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Na6 10. O-O Nc7
1962 Varna olm – Round 11 – Wade, Robert G – 1/2-1/2 – Schmidt, Waldemar – G454 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Ne4
1962 Varna olm – Round 2 – Portisch, Lajos – 1/2-1/2 – Uhlmann, Wolfgang – G94 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1962 Varna olm – Round 6 – Szabo, Ladislav – 1/2-1/2 – Ciocaltea, Victor – G254 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Bf5 10. O-O Na6
1962 Varna olm – Round 9 – Bilek, Istvan – 1/2-1/2 – Byrne, Ray – G387 1. d4 g6 2. c4 Bg7 3. e4 d6 4. f4 Nf6 5. Nc3 c5 6. d5 e6 7. Nf3 exd5 8. exd5 O-O 9. Be2 Re8 10. O-O Ng4
1963 Alekhine Memorial – Round 13 – Vladimirov, Boris T – 1/2-1/2 – Gligorić, Svetozar – G87 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Bxc3
1963 Asztalos Memorial – Round 8 – Forintos, Gyozo V – 1-0 – Szabo, Laszlo – G19 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Bxc3
1963 Budapest ch-HUN – Round 1 – Gasztonyi, Endre – 1-0 – Honfi, K. – G102 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Bxc3
1963 Capablanca Memorial – Round 16 – Wade, Robert G – 1/2-1/2 – Robatsch, Karl – G148 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. f4 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Ne4
1963 Club Argentino – Round 1 – Amado, Claudio – 0-1 – Bielicki, Carlos – G7 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Nh5 10. O-O Re8
1963 CSR Ch sf – Round 3.4 – Olexa, Vilem – 0-1 – Jansa, Vlastimil – G13 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. f4 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Bxc3
1963 CSR Ch sf – Round 9.1 – Olexa, Vilem – 0-1 – Kupka, Slavoj – G39 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. f4 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Bxc3
1963 Enschede zt – Round 1 – Tatai, Stefano – 0-1 – Penrose, Justin – G13 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Be2 e6 8. Nf3 exd5 9. exd5 Nh5 10. O-O Bxc3
1963 GDR Ch Aschersleben GER – Round 17 – Moehring, Guenther – 1/2-1/2 – Starck, Bodo – G87 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Nh5 10. Bd2 Re8
1963 Kiev Avantgard Ch – Round ? – Pelts, Roman – 1/2-1/2 – Adler, Viktor – G19 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Ne4
1963 P.C.C. A-P-A A6 – Round ? – Collins, Richard Arnold – 0-1 – Golding, S. – G5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1963 P.C.C. A-P-A A6 – Round ? – Collins, Richard Arnold – 1-0 – Wake, D. – G2 1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 e6 6. Nf3 O-O 7. Be2 c5 8. d5 exd5 9. exd5 Na6 10. O-O Nc7
1963 Stevenson Memorial 11th – Round 2 – Wade, Robert G – 1-0 – Collins, Richard Arnold – G4 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Na6 10. O-O Nc7
1964 BRA Ch – Round 1 – De Souza Mendes, Joao – 1/2-1/2 – Camara, Helder – G2 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Na6 10. O-O Nc7
1964 Budapest ch-HUN – Round 1 – Gasztonyi, Endre – 1/2-1/2 – Haag, Ervin – G74 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Bxc3
1964 Budapest HUN – Round 1 – Gasztonyi, Endre – 1/2-1/2 – Ozsvath, Andras – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Bxc3
1964 Buenos Aires Ch – Round ? – Reinhardt, Enrique – 0-1 – Farah, Rodolfo – G27 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Na6 10. O-O Nc7
1964 Capablanca Memorial – Round 4 – Darga, Klaus – 1/2-1/2 – Uhlmann, Wolfgang – G45 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Bf5 10. O-O Ne4
1964 CSR Ch Army Prague CZE – Round 4 – Zajic, Jiri – 0-1 – Seifert, Milan – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Re8 10. O-O a6
1964 Reykjavik – Round 1 – Thorbergsson, Freysteinn – 0-1 – Johannsson, Ingi R – G5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. Bd2 Re8
1964 Reykjavik – Round 10 – Thorbergsson, Freysteinn – 0-1 – Tal, Mikhail – G57 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 b5 10. Nxb5 Ne4
1964 Southampton League Div 1 – Round 3.1 – Collins, Richard Arnold – 1-0 – Rawden, DA. – G1 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Re8
1964 UKR Ch – Round 18 – Pelts, Roman – 0-1 – ? – G112 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Bxc3
1965 Asztalos Memorial 8th – Round 14 – Gasztonyi, Endre – 1-0 – Borisenko, Georgy K – G89 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 a6 10. O-O b6
1965 CSR Ch U18 – Round 7 – Pribyl, Josef – 1-0 – Borik, Otto – G7 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. Bd2 Re8
1965 Kiel Open – Round 1 – Seeck, Klaus – 1/2-1/2 – Besser, Hans – G2 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. exd5 Bg4 10. O-O Re8
1965 Rio de Janeiro – Round 12 – Aguilera Rocha, Angelina – 0-1 – Mecking, Henrique – G20 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 e6 7. Nf3 exd5 8. exd5 O-O 9. Be2 Na6 10. O-O Nc7
1965 SWE Ch – Round 11 – Akvist, Hakan – 0-1 – Johansson, Martin 1979 – G35 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 b5 10. cxb5 a6
1965 Vancouver – Round 4.6 – Kerr Ray – 0-1 – Yanofsky, Daniel Abraham – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Ne4
1966 ARMIES-ch3 – Round 13 – Pribyl, Josef – 0-1 – Hort, Vlastimil – G28 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Re8 10. O-O Ng4
1966 Sochi Chigorin Memorial 04th – Round 11 – Vladimirov, Boris T – 1-0 – Bobotsov, Milko G – G43 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Ne4
1966 Titovo Uzice – Round 1 – Forintos, Gyozo V – 1/2-1/2 – Gligorić, Svetozar – G24 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Nh5 10. O-O Bxc3
1967 Budapest Bajnogsag 8th – Round 6 – Gasztonyi, Endre – 1-0 – Bodo, Mihaly – G37 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Na6 10. O-O Re8
1967 CSR Ch – Round 9 – Kubicek, Antonin – 1/2-1/2 – Trapl, Jindrich – G57 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Bxc3
1967 FRG Ch Kiel GER – Round 3 – Besser, Hans – 1-0 – Haakert, Juergen – G11 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Bxc3
1967 Harrachov – Round 1 – Trapl, Jindrich – 1-0 – Goethals, Janis – G27 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Ne4
1967 Leningrad – Round 1 – Kiktev, Grigory – 1-0 – Tarasov, Vitaly – G8 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Nf6 6. Be2 O-O 7. f4 e6 8. Nf3 exd5 9. exd5 Na6 10. O-O Ne8
1967 Leningrad – Round 1 – Shulman, Vladlen – 0-1 – Petrosian, Tigran A. – G18 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. exd5 b5 10. Nxb5 Ne4
1967 URS-ch35 – Round 1 – Shamis Khalifa AlNuaimi – 1-0 – Pelts, Roman – G46 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Nh5 10. O-O Bxc3
1969 Ljubljana – Round 1 – Forintos, Gyozo V – 1/2-1/2 – Gligorić, Svetozar – G13 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Nh5 10. O-O Bxc3
1969 Mar del Plata zt – Round ? – Schweber, Samuel – 1/2-1/2 – Rossetto, Hector – G70 1. e4 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. Be2 O-O 6. f4 c5 7. d5 e6 8. Nf3 exd5 9. exd5 Re8 10. O-O Bf5
1969 Praia da Rocha zt – Round 8 – Littleton, Michael F – 1/2-1/2 – Visier Segovia, Fernando – G28 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 b5 10. Nxb5 Ne4
1971 Hoogovens – Round 15 – Forintos, Gyozo V – 0-1 – Hartoch, Robert G – G20 1. c4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Nf6 6. Be2 O-O 7. f4 e6 8. Nf3 exd5 9. exd5 Bg4 10. O-O Nh5

E77f — Four Pawns Attack

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 c5 7.d5 e6 8.Nf3 exd5 9.exd5

Eval: [-0.14]

Les coups candidats

9…Re8 — 51.1% (658 parties)

Ambassadeurs : Glembek, Bohumír (12x), Horvath, Julia (7x), Nilson, Bjørn Lund (7x), Vladimirov, Boris T (6x), Schweber, Samuel (6x), Labarthe, Arnaud (6x), Voracek, Miroslav (5x), Collins, Richard Arnold (5x)

9…Bf5 — 14.2% (183 parties)

Ambassadeurs : Orsag, Milan (4x), Wade, Robert G (3x), Vladimirov, Boris T (3x), Mititelu, Gheorghe (3x), Poobalasingam, Peter S (3x), Glembek, Bohumír (3x), Schweber, Samuel (2x), Lombardy, William J (2x)

9…Nh5 — 10.9% (140 parties)

Ambassadeurs : Forintos, Gyozo V (5x), Gasztonyi, Endre (4x), Pribyl, Josef (3x), Gligorić, Svetozar (3x), Vladimirov, Boris T (3x), Zilber, Israel (3x), Olexa, Vilem (2x), Moehring, Guenther (2x)

9…Na6 — 10.5% (135 parties)

Ambassadeurs : Collins, Richard Arnold (5x), Nguyen, Chi-Minh (4x), Malesevic, Nedeljko (3x), Tarasov, Vitaly (2x), Lorincz S (2x), Ismayilova, Parvana (2x), Nagy, Sandor (2x), Martin Fernandez, Rodrigo (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Re8	9…Bf5	9…Nh5	9…Na6
<1800	34	59%	6%	15%	15%
1800-2200	472	58%	12%	6%	11%
2200-2600	301	50%	16%	9%	9%

Évolution par décennie (% des parties)

Décennie	N parties	9…Re8	9…Bf5	9…Nh5	9…Na6
1920s	2	100%	—	—	—
1930s	3	33%	67%	—	—
1950s	23	65%	17%	—	9%
1960s	174	32%	19%	26%	11%
1970s	90	37%	13%	19%	11%
1980s	71	39%	11%	24%	8%
1990s	268	54%	13%	11%	10%
2000s	329	56%	13%	4%	12%
2010s	289	60%	14%	5%	8%
2020s	38	53%	13%	5%	18%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Re8	60%	53%	▼ -6.9%
9…Bf5	14%	13%	▼ -1.0%
9…Nh5	5%	5%	+0.1%
9…Na6	8%	18%	▲ +10.5%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

9…Re8 — 51.1% (658 parties)

1926 — Gooding, William vs Wheatcroft, George — 0-1 — Edinburgh SCO
1928 — Macklin, Garnet E vs Eastman, George — 0-1 — Toronto CAN
1935 — Lundin, Erik vs Ekenberg, Bengt — 1-0 — Oerebro
1951 — Corral, Hector vs Estrada Degrandi, Walter — 1-0 — San Rafael
1953 — Prokhorovich, Taras E vs Korchnoi, Viktor — 0-1 — Leningrad RUS

9…Bf5 — 14.2% (183 parties)

1936 — Lundin, Erik vs Tylor, Theodore Henry — 1/2-1/2 — Margate, Grand Hotel
1938 — Lalich, Voyin vs Villegas, Benito — 0-1 — Argentina
1954 — Wade, Robert G vs Petrosian, Tigran A. — 0-1 — Belgrade SRB
1956 — Stulik, Vlastimil vs Dolezal, Jiri — 1/2-1/2 — Podebrady CZE
1956 — Antoshin, Vladimir S vs Boleslavsky, Isaac — 1/2-1/2 — Leningrad ch-URS

9…Nh5 — 10.9% (140 parties)

1962 — Maslov Lavrenuk, Vladimir vs Gipslis, Aivars — 0-1 — Leningrad RUS
1962 — Mikenas, Vladas vs Polugaevsky, L. — 0-1 — Leningrad RUS
1962 — Liptay, Laszlo Dr. vs Spassky, B. — 0-1 — Marianske Lazne
1962 — Barstatis, Reinhardas vs Zilber, Israel — 1/2-1/2 — Leningrad RUS
1962 — Vladimirov, Boris T vs Zilber, Israel — 1-0 — Leningrad RUS

9…Na6 — 10.5% (135 parties)

1953 — Dollstadt, Jean Walter vs Roethel, Michel — 1-0 — Paris FRA
1958 — Vladimirov, Boris T vs Tarasov, Vitaly — 1-0 — Tashkent UZB
1962 — Honfi, Karoly vs Fleischmann Claus — 1-0 — Reggio Emilia ITA
1962 — Silva Nazzari, Roberto vs Kristjansson, Olafur — 1/2-1/2 — Varna olm
1963 — Collins, Richard Arnold vs Wake, D. — 1-0 — ?

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