B07w — Pirc: Byrne 4.Bg5

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bg5 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes b5 et d5, un fou actif en g5 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g1, le fou f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nf3 (Développer Ng1) ; Bd3 (Développer Bf1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte g4 et la paire de fous.

Côté adverse. Le fou enfermé en f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nbd7 (Développer Nb8) ; ...Bf5 (Développer Bc8) ; ...Bb4 (Développer Bf8) ; ...c6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v1)	● g4 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0), ● d5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 5)
Bg5	● Bg5 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (g1, f1, a1, h1)	5 (b8, c8, f8, 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	semi-ouvert
Ruptures	● d4-d5, ● e4-e5, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1939 9. C.to Italiano – Round ? – Marotti, Davide – 0-1 – Napolitano, Mario – G8 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Bc4 b5 6. Bd3 Bg7 7. Nf3 Qc7 8. O-O O-O 9. h3 Nbd7 10. Ne2 Rb8
1943 UJCS-17.Kongress – Round 3 – Foltys, Jan – 1-0 – Tikovsky, Alexandr – G15 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Bf4 Bg7 6. Nf3 Nbd7 7. Bc4 O-O 8. Qd2 Kh7 9. O-O-O c6 10. e5 Ne8
1951 Staunton Memorial – Round 10 – Bogoljubow, Efim – 1-0 – Tartakower, Savielly – G74 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Nbd7 5. f4 h6 6. Bh4 Nh7 7. Nf3 c6 8. Bd3 Qb6 9. e5 Qxb2 10. Ne4 d5
1952 JUG Ch – Round 11 – Djurasevic, Bozidar – 1/2-1/2 – Pirc, Vasja – G69 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Nbd7 5. f4 Nb6 6. a4 a5 7. Bd3 Bg7 8. Nf3 Nh5 9. f5 gxf5 10. exf5 h6
1952 JUG Ch – Round 13 – Udovcic, Mijo – 1-0 – Pirc, Vasja – G83 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Nbd7 5. f4 c6 6. e5 Nd5 7. Nxd5 cxd5 8. Nf3 Qb6 9. Bd3 Bg7 10. Qe2 f6
1952 JUG Ch – Round 15 – Matanovic, Aleksandar – 1/2-1/2 – Pirc, Vasja – G95 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Nbd7 5. f4 c6 6. e5 Nd5 7. Nxd5 cxd5 8. Nf3 Qb6 9. Qc1 Bg7 10. Bd3 f6
1952 JUG Ch – Round 7 – Trifunovic, Petar – 1/2-1/2 – Pirc, Vasja – G44 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Nbd7 5. f4 Nb6 6. a4 a5 7. Nf3 Bg7 8. Bd3 O-O 9. O-O Nfd7 10. Qe1 f6
1952 JUG Ch Belgrade YUG – Round 19 – Vukovic, Sava – 1-0 – Pirc, Vasja – G20 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Nbd7 5. f4 c6 6. e5 Nd5 7. Nxd5 cxd5 8. Qe2 Qa5+ 9. c3 dxe5 10. fxe5 a6
1952 JUG Ch Belgrade YUG – Round 9 – Trajkovic, Mihajlo – 0-1 – Pirc, Vasja – G9 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Nbd7 5. f4 Nb6 6. a4 a5 7. Nf3 d5 8. e5 Ne4 9. Bd3 Bf5 10. O-O Qd7
1952 POL-ch10 – Round 21 – Pytlakowski, Andrzej – 1/2-1/2 – Ciejka, Tadeusz – G155 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Bc4 Bg7 6. Nge2 Qa5 7. Qd2 b5 8. Bd3 b4 9. Nd1 Ba6 10. f4 Bxd3
1954 Hungary Ch – Round 1 – Ozsvath, Andras – 1-0 – Sandor, Balazs – G44 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Be2 Bg7 6. Qd2 Qa5 7. O-O-O Nbd7 8. Kb1 b5 9. Bf3 b4 10. Nce2 O-O
1954 Munich zt – Round 11 – Ribeiro, Joao Mario – 0-1 – Fuderer, Andrija – G71 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. f4 Qb6 6. Bc4 Qxb2 7. Nge2 Qb4 8. Bxf6 exf6 9. Bd3 Bg7 10. f5 O-O
1955 Gothenburg Interzonal – Round 5 – Pilnik, Herman – 1-0 – Fuderer, Andrija – G49 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 h6 6. Bf4 b5 7. f3 Bg7 8. Bd3 Nfd7 9. Nge2 e5 10. dxe5 dxe5
1955 URS Ch sf – Round ? – Mukhitdinov, Mamadzhan – 1/2-1/2 – Lutikov, Anatoly S – G94 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Qa5 6. h3 Bg7 7. Nf3 Nbd7 8. Bd3 e5 9. O-O Qc7 10. Rfe1 O-O
1955 URS Ch sf – Round 1 – Cherepkov, Alexander V – 1/2-1/2 – Byvshev, Vasily – G52 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Qa5 6. f4 Bg7 7. e5 dxe5 8. fxe5 Nd5 9. Nf3 h6 10. Nxd5 Qxd2+
1955 URS Ch sf – Round 1 – Gusev, Aleksandr – 0-1 – Lutikov, Anatoly S – G51 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. h3 Qa5 6. Qd2 Bg7 7. Nf3 O-O 8. e5 dxe5 9. dxe5 Nfd7 10. Bxe7 Re8
1956 Alekhine Memorial – Round 1 – Unzicker, Wolfgang – 1/2-1/2 – Botvinnik, Mikhail – G67 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Bh4 Bg7 6. Be2 c5 7. e5 Nh5 8. dxc5 Nf4 9. Bg3 dxe5 10. Qxd8+ Kxd8
1956 Budapest Alekhine – Round 1 – Honfi, Gyorgy – 0-1 – Sandor, Bela – G44 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Qa5 6. f3 Nbd7 7. a3 e5 8. Nge2 h6 9. Be3 Bg7 10. g4 a6
1956 Leningrad ch-URS – Round 1 – Zurakhov, Vladlen Y – 1/2-1/2 – Bivshev, Vasily – G99 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Qa5 6. f3 Bg7 7. O-O-O h6 8. Be3 Nbd7 9. Kb1 b5 10. Nd5 Qxd2
1956 URS Ch sf – Round ? – Klavins, Janis – 1/2-1/2 – Tarasov, Vitaly – G87 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. f4 Bg7 6. Qd2 O-O 7. Be2 Qc7 8. Nf3 b5 9. a3 a6 10. O-O d5
1957 Bratislava – Round 11 – Tringov, Georgi P – 0-1 – Sandor, Bela – G24 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Nbd7 6. Nf3 Qc7 7. O-O-O Bg7 8. Bh6 Bxh6 9. Qxh6 b5 10. Bd3 b4
1957 Leningrad Ch – Round ? – Cherepkov, Alexander V – 1-0 – Byvshev, Vasily – G158 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Qa5 6. f4 Bg7 7. Nf3 Bg4 8. Bd3 d5 9. e5 Ng8 10. O-O Nd7
1957 URS Ch, semi final – Round 11 – Bastrikov, Georgy – 1/2-1/2 – Nikolaevsky, Yuri V – G104 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Be3 Bg7 6. Qd2 c6 7. f3 Qc7 8. Nge2 b5 9. Nd1 Nbd7 10. Rc1 Nb6
1957 URS Ch, semi final – Round 17 – Kholmov, Ratmir D – 1/2-1/2 – Aronson, Lev – G160 1. d4 Nf6 2. Nc3 d6 3. e4 g6 4. Bg5 c6 5. Qd2 Bg7 6. Nf3 Qa5 7. h3 Nbd7 8. Bd3 e5 9. O-O O-O 10. Rfe1 Re8
1958 HUN Ch Budapest HUN – Round 7 – Haag, Ervin – 1/2-1/2 – Sandor, Bela – G35 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Nbd7 6. f3 h6 7. Be3 a6 8. Nge2 e5 9. dxe5 dxe5 10. Nc1 Qc7
1958 Munich olm prel – Round 6 – Van Schoor, Karl – 1-0 – Vaitonis, Povilas – G140 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Nbd7 5. f4 Bg7 6. Be2 O-O 7. e5 Ne8 8. Nf3 c5 9. O-O cxd4 10. Qxd4 Nc7
1958 Sarajevo Sarajevo BIH – Round 1 – Smailbegovic, Hasan – 1/2-1/2 – Matulovic, Milan – G31 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 h6 6. Be3 Nbd7 7. f3 Bg7 8. O-O-O Qa5 9. Kb1 a6 10. Nge2 e5
1959 Buenos Aires VC-30 – Round 2 – Piazzini, Luis – 1-0 – Kampelmacher, Manuel – G3 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Be3 Bg7 6. f3 O-O 7. Qd2 e5 8. dxe5 dxe5 9. Bxh6 Nxe4 10. Qxd8 Rxd8
1959 URS Team Ch – Round 1 – Ustinov, Georgy I – 0-1 – Kholmov, Ratmir D – G75 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 h6 6. Be3 b5 7. a3 Nbd7 8. Nf3 Bg7 9. h3 Nb6 10. b3 a6
1960 Buenos Aires ch-ARG – Round 18 – Baos Merlo, Javier – 0-1 – Pelikan, Anna – G128 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Bg5 c6 5. f4 Bg7 6. e5 Nd5 7. Nxd5 cxd5 8. exd6 Qxd6 9. Qd2 Nc6 10. Nf3 O-O
1961 URU Ch – Round ? – Afonso Martin, Lucas – 0-1 – Estrada Degrandi, Walter – G9 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Nbd7 5. f4 h6 6. Bh4 Bg7 7. Nf3 O-O 8. Qd2 c5 9. d5 a6 10. a4 Qa5
1962 Asztalos Memorial 5th – Round 6 – Honfi, Karoly – 1-0 – Szily, Jozsef – G43 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Nf3 Bg7 6. Be2 Qc7 7. a4 Nbd7 8. O-O h6 9. Be3 O-O 10. h3 e5
1962 URS Team Ch – Round 1 – Suetin, Alexey S – 1-0 – Korchnoi, Viktor – G82 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Bg7 6. Nf3 Bg4 7. Qf4 Bxf3 8. Qxf3 Nbd7 9. O-O-O Qa5 10. h4 c5
1963 Budapest ch-HUN – Round 1 – Honfi, K. – 1-0 – Sapi, Laszlo – G156 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 h6 6. Be3 Nbd7 7. f3 Bg7 8. a4 Qa5 9. Rb1 Qb4 10. Nge2 b5
1963 Kiev Ch – Round 3 – Platonov, Igor V – 1/2-1/2 – Gershman, Semion – G12 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. f4 Qb6 6. b3 Bg7 7. Qd2 O-O 8. e5 Re8 9. Bc4 Bf5 10. Nge2 Ne4
1963 Leningrad ch-URS – Round 1 – Novopashin, Arkady – 1-0 – Zakharov, Alexander V – G94 1. e4 d6 2. d4 g6 3. Nc3 Nf6 4. Bg5 c6 5. Qd2 b5 6. Bd3 Nbd7 7. f4 Bg7 8. Nf3 b4 9. Nd1 O-O 10. Nf2 c5
1963 URS Team Ch – Round 1 – Kholmov, Ratmir D – 0-1 – Botvinnik, Mikhail – G15 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Bf4 Bg7 6. h3 c5 7. dxc5 Qa5 8. Qd2 Qxc5 9. Be3 Qa5 10. Bd3 Nc6
1963 Wch U18 – Round 5 – Janata, Michael – 1-0 – Zwaig, Arne – G12 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Bg7 6. f4 O-O 7. Nf3 b5 8. Bd3 a6 9. O-O-O b4 10. Ne2 a5
1963 Zenica ch YUG – Round 9 – Janosevic, Dragoljub – 1-0 – Bukic, Enver – G47 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. f4 Bg7 6. Nf3 O-O 7. Qd2 Qc7 8. e5 Nd5 9. Bc4 Nxc3 10. Qxc3 Bg4
1964 Rubinstein Memorial – Round 14 – Czerniak, Magdalena – 1-0 – Pietrusiak, Bogdan – G62 1. d4 Nf6 2. Nc3 d6 3. e4 g6 4. Bg5 c6 5. Qd2 Bg7 6. O-O-O Qa5 7. Kb1 b5 8. e5 b4 9. exf6 exf6 10. Ne4 fxg5
1964 Rubinstein Memorial – Round 14 – Hort, Vlastimil – 1/2-1/2 – Balcerowski, Witold – G42 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Be3 Bg7 6. f3 b6 7. Bc4 e6 8. Qe2 O-O 9. Qd2 d5 10. Bd3 c5
1965 JUG Ch – Round 14 – Bradvarevic, Aleksandar – 0-1 – Matulovic, Milan – G13 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Bh4 c6 6. Nf3 Qb6 7. Qd2 g5 8. Bg3 Qxb2 9. Rb1 Qa3 10. e5 Nh5
1965 Novi Sad – Round 4 – Ostojic, Predrag – 0-1 – Parma, Bruno – G44 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. f3 b5 6. Qd2 Nbd7 7. Nge2 Nb6 8. b3 Qc7 9. Nc1 Bg7 10. a4 b4
1965 POL Ch 22th – Round 9 – Serwinski, Benedykt – 1/2-1/2 – Balcerowski, Witold – G52 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Be3 Ng4 6. Bf4 Bg7 7. Nf3 Nc6 8. Bb5 O-O 9. Bxc6 bxc6 10. O-O Nf6
1965 Sarajevo – Round 1 – Suetin, Alexey S – 1-0 – Matulovic, Milan – G17 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qe2 Bg7 6. f4 Nh5 7. g4 h6 8. gxh5 hxg5 9. hxg6 Bxd4 10. Qc4 Qb6
1965 Zagreb – Round 13 – ? – 0-1 – Parma, Bruno – G135 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qe2 h6 6. Bxf6 exf6 7. O-O-O Bg7 8. f4 O-O 9. g4 b5 10. Qf3 b4
1966 Havana olm – Round 1 – Pomar Salamanca, Arturo – 1/2-1/2 – Larsen, Benjamin Holsko – G8 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Nbd7 6. O-O-O Qa5 7. Nf3 b5 8. Bd3 Bg7 9. e5 dxe5 10. dxe5 b4
1966 Hungary – Round 1 – Kovacs, Laszlo M – 1-0 – Sapi, Laszlo – G74 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Nbd7 6. Bd3 h6 7. Bh4 g5 8. Bg3 Nh5 9. Nge2 Bg7 10. Nd1 Qb6
1966 La Habana olm fin-A – Round 5 – Pomar Salamanca, Arturo – 1/2-1/2 – Larsen, Bent Ravn – G83 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Nbd7 6. O-O-O Qa5 7. Nf3 b5 8. Bd3 Bg7 9. e5 dxe5 10. dxe5 b4
1966 La Habana olm fin-B – Round 8 – Glauser, Hansruediger – 1/2-1/2 – Balcerowski, Witold – G33 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Bh4 c6 6. Qe2 Bg7 7. O-O-O O-O 8. f4 Qa5 9. e5 dxe5 10. dxe5 Nd5
1966 Palma de Majorca ESP – Round 8 – Menvielle Laccourreye, Augusto – 1/2-1/2 – Matanovic, Aleksandar – G14 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 h6 6. Bh4 g5 7. Bg3 Nh5 8. Bc4 Nd7 9. f4 e6 10. Nf3 Be7
1966 Rzeszow ch POL – Round 5 – Gromek, Jozef – 1-0 – Balcerowski, Witold – G31 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Bf4 Bg7 6. Bc4 c6 7. Bb3 Nbd7 8. Nf3 Nf8 9. h3 Ne6 10. Be3 d5
1966 Rzeszow ch POL – Round 8 – Grabczewski, Romuald – 1-0 – Balcerowski, Witold – G54 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Bf4 Bg7 6. Qd2 Nc6 7. Bb5 Bd7 8. Nf3 Nh5 9. Be3 e5 10. dxe5 Nxe5
1966 Sukhumi – Round 1 – Vasiukov, Evgeni – 1/2-1/2 – Parma, Bruno – G7 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 h6 6. Bxf6 exf6 7. O-O-O Bg7 8. Kb1 O-O 9. h4 f5 10. Bd3 fxe4
1966 Tbilisi ch-URS – Round 10 – Suetin, Alexey S – 1/2-1/2 – Gipslis, Aivars – G91 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 b5 6. f3 Bg7 7. Nge2 Nbd7 8. Bh6 Bxh6 9. Qxh6 Qc7 10. g4 Bb7
1966 Titovo Uzice – Round 1 – Suetin, Alexey S – 1/2-1/2 – Parma, Bruno – G67 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 b5 6. Bd3 Nbd7 7. Nge2 Nb6 8. O-O h6 9. Bxf6 exf6 10. d5 b4
1966 URS Team Ch – Round ? – Trofimov, Sergey – 0-1 – Yukhtman, Yakov – G123 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Nf3 Bg7 6. Bc4 b5 7. Bxf6 Bxf6 8. Nxb5 d5 9. exd5 cxb5 10. Bxb5+ Kf8
1967 DSV-Turnier – Round 1 – Schoeneberg, Manfred – 1/2-1/2 – Liberzon, V. – G5 1. e4 d6 2. d4 g6 3. Nc3 Nf6 4. Bg5 h6 5. Be3 Ng4 6. Bc1 Bg7 7. f3 Nf6 8. Be3 c6 9. Qd2 b5 10. Bd3 Nbd7
1967 Harrachov – Round 1 – Schoeneberg, Manfred – 1-0 – Marangunic, Srdjan – G83 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 b5 6. f3 Nbd7 7. Bd3 Bb7 8. Nge2 a6 9. a4 Bg7 10. Bh6 O-O
1967 ISR Ch – Round 1 – Bernstein, Yaacov – 1-0 – Domnitz, Zadok – G4 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Nf3 h6 6. Bf4 Bg7 7. Qd2 Nh5 8. Be3 Nd7 9. h3 Qa5 10. Bd3 e5
1967 Sousse Interzonal – Round 9 – Byrne, Ray – 1-0 – Gipslis, Aivars – G85 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 b5 6. Bd3 Bg7 7. f4 O-O 8. Nf3 Nbd7 9. O-O Nb6 10. Rae1 b4
1967 Venice Venice ITA – Round 12 – Paoli, Enrico – 1-0 – Calapso, Remo – G41 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. h3 Qa5 6. Qd2 h6 7. Be3 Nbd7 8. a3 a6 9. f4 Qc7 10. Bd3 Bg7
1968 Bristol ch-BCF – Round 10 – Pritchett, Craig W – 0-1 – Penrose, Justin – G108 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Nbd7 6. f4 Qa5 7. e5 dxe5 8. dxe5 Nd5 9. Nxd5 Qxd2+ 10. Kxd2 cxd5
1968 Bristol ch-BCF – Round 4 – Richardson, Kai – 0-1 – Penrose, Justin – G50 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Qa5 6. Bd3 Nbd7 7. f4 Bg7 8. Nf3 h6 9. Bh4 e5 10. dxe5 dxe5
1968 Copenhagen ch-DEN – Round 1 – Pedersen, Karl – 1-0 – Hamann, Svend – G29 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Bxf6 exf6 6. Qd2 Bg7 7. O-O-O O-O 8. f4 f5 9. exf5 Bxf5 10. h3 Be6
1968 Gori – Round 3 – Tal, Mikhail – 1-0 – Gufeld, Eduard – G7 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 b5 6. Bd3 Bg7 7. Nf3 h6 8. Be3 Ng4 9. Bf4 e5 10. dxe5 dxe5
1968 Memorial Em. Lasker – Round 11 – Fuchs, Reinhart – 0-1 – Vasiukov, Evgeni – G34 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qe2 Qa5 6. Qd2 Nbd7 7. Nf3 Bg7 8. Bd3 h6 9. Be3 Ng4 10. Bf4 e5
1968 URS Team Ch – Round 1 – Liberzon, Vladimir M – 1-0 – Etruk, Rein T – G130 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Be3 c6 6. f3 Bg7 7. Qd2 Qa5 8. Nge2 b5 9. g3 Nbd7 10. Bg2 Bb7
1968 WchT U26 15th – Round 1 – Spassov, Liuben – 1-0 – Ghizdavu, Dumitru – G12 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 h6 6. Bh4 Nbd7 7. f4 Qa5 8. Nf3 b5 9. Bd3 Ba6 10. O-O b4
1969 Glasgow Congress Invitation – Round 4 – Barden, Leonard – 1/2-1/2 – Levy, David N L – G13 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Bg5 Nbd7 5. f3 c6 6. Qd2 h6 7. Be3 Qa5 8. Nge2 b5 9. a3 Nb6 10. b4 Qa6
1969 Monte Carlo – Round 1 – Ostojic, Predrag – 0-1 – Benko, P. – G35 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Bh4 Nbd7 6. f4 Nh5 7. f5 Bg7 8. Bc4 Nf4 9. Qf3 g5 10. Bf2 c5
1969 Moskou ch-URS – Round 1 – Kupreichik, Viktor D – 1/2-1/2 – Gipslis, Aivars – G145 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 b5 6. Bd3 Nbd7 7. f4 Nb6 8. e5 Nfd5 9. Ne4 f6 10. Bh4 Bh6
1969 Tallinn it – Round 1 – Damjanovic, Marko – 1/2-1/2 – Etruk, Rein T – G4 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. f3 Bg7 6. Qd2 Qa5 7. O-O-O h6 8. Be3 Nbd7 9. Kb1 b5 10. Qe1 Rb8
1969 Zagreb – Round 11 – Barczay, Laszlo – 1/2-1/2 – Marangunic, Srdjan – G77 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Nbd7 6. f4 Qa5 7. Nf3 Bg7 8. Bd3 e5 9. dxe5 dxe5 10. f5 h6
1969 Zagreb – Round 2 – Kurajica, Bojan – 1-0 – Marangunic, Srdjan – G28 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 b5 6. Bd3 Bg7 7. f4 O-O 8. Nf3 a6 9. O-O-O b4 10. Ne2 a5
1974 Manila – Round 1 – Miles, Anthony J – 1-0 – Bernstein, David – G106 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Bg7 6. f4 O-O 7. Bd3 Qb6 8. Nf3 Bg4 9. e5 Bxf3 10. gxf3 Nh5
IBM 1978 – Round 7 – Romanishin, Oleg M – 0-1 – Pfleger, Helmut, Dr. – G20 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Bh4 Bg7 6. Qd2 c6 7. f4 O-O 8. Bd3 b5 9. Nf3 b4 10. Ne2 a5
Koop Tjuchem 1996 – Round 8 – Leko, Peter – 1/2-1/2 – Svidler, Peter – G32 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Bh4 Bg7 6. Qd2 Nbd7 7. O-O-O g5 8. Bg3 Nh5 9. Nge2 e6 10. h4 a6
Olympiad 2002 – Round 4 – Sutovsky, Emil – 0-1 – Annaberdiyev, Meylis – G124 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Nbd7 6. f4 b5 7. Bd3 Nb6 8. Nf3 Bg7 9. O-O O-O 10. f5 d5
URS Team Ch Moscow 1972 – Round 1 – Karpov, Anatoly – 0-1 – Gipslis, Aivars – G10 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Nbd7 6. f3 b5 7. Nh3 Bg7 8. Bh6 O-O 9. Nf2 e5 10. Bxg7 Kxg7

B07w — Byrne

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bg5

Eval: [+0.73]

Les coups candidats

4…Bg7 — 71.9% (6908 parties) →

Ambassadeurs : Hendriks, Willy (29x), Zimmerman, Yuri (22x), Peralta, Fernando (18x), Tiviakov, Sergei (17x), Praznik, Anton (15x), Conterno, Dominique (14x), Beim, Valeri (11x), Reilly, Tim (11x)

4…c6 — 17.8% (1707 parties)

Ambassadeurs : Ootes, Lars (13x), Torre, Eugenio (11x), Valdes Romero, Leonardo (11x), Gagunashvili, Merab (9x), Koch, Wolfgang Max, Dr. (8x), Pribyl, Josef (8x), Sandum, Kjell Tore (7x), Mittelberger, Peter (7x)

4…h6 — 6.2% (592 parties)

Ambassadeurs : Tarmak, Mart (9x), Gavrish, Leonid (8x), Balcerowski, Witold (7x), Schuetzhold, Frank (7x), Fridman, Daniel (5x), Hofland, Leonard (4x), Ostojic, Predrag (4x), Pfleger, Helmut, Dr. (3x)

4…Nbd7 — 3.8% (367 parties)

Ambassadeurs : Ker, Anthony F (8x), Pirc, Vasja (6x), Knudsen, John C (5x), Anagnostopoulos, Dimitri (4x), Plaskett, H James (4x), Lukey, Stephen G (3x), Kampenuss Peteris (2x), Matanovic, Aleksandar (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…Bg7	4…c6	4…h6	4…Nbd7
<1800	339	85%	7%	4%	3%
1800-2200	3531	76%	15%	5%	4%
2200-2600	3105	64%	25%	8%	3%
2600+	80	59%	21%	18%	2%

Évolution par décennie (% des parties)

Décennie	N parties	4…Bg7	4…c6	4…h6	4…Nbd7
1930s	3	33%	33%	—	33%
1940s	5	80%	—	20%	—
1950s	123	71%	15%	3%	11%
1960s	201	61%	26%	9%	3%
1970s	402	52%	29%	12%	6%
1980s	517	59%	25%	9%	7%
1990s	1968	68%	21%	6%	4%
2000s	3122	74%	16%	5%	4%
2010s	2814	78%	13%	6%	3%
2020s	455	71%	19%	5%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…Bg7	78%	71%	▼ -6.5%
4…c6	13%	19%	▲ +5.4%
4…h6	6%	5%	-0.4%
4…Nbd7	3%	4%	▲ +0.9%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 3 parties
Karpov, Anatoly — 3 parties
Kramnik, Vladimir — 3 parties
Tal, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

4…Bg7 — 71.9% (6908 parties)

1935 — Richter, Kurt P vs Rellstab, Ludwig Sr — 1/2-1/2 — Berlin GER
1940 — Bondarevsky, Igor vs Kajev — 1/2-1/2 — Kiev UKR
1946 — Panov, Vasily vs Simagin, Vladimir — 0-1 — Moscow RUS
1947 — Simagin, Vladimir vs Liublinsky, Victor — 1/2-1/2 — Moscow RUS
1949 — Padevsky, Nikola vs Piskov, Kamen Penev — 0-1 — Sofia BUL

4…c6 — 17.8% (1707 parties)

1939 — Marotti, Davide vs Napolitano, Mario — 0-1 — Rome ITA
1952 — Pytlakowski, Andrzej vs Ciejka, Tadeusz — 1/2-1/2 — Katowice POL
1954 — Ribeiro, Joao Mario vs Fuderer, Andrija — 0-1 — Munich GER
1954 — Ozsvath, Andras vs Sandor, Balazs — 1-0 — Hungary ch
1955 — Gusev, Aleksandr vs Lutikov, Anatoly S — 0-1 — Moscow RUS

4…h6 — 6.2% (592 parties)

1943 — Foltys, Jan vs Tikovsky, Alexandr — 1-0 — Prague CZE
1954 — Fragoso, Darcy vs Lisboa, Rui — 1/2-1/2 — Sao Paulo BRA
1956 — Unzicker, Wolfgang vs Botvinnik, Mikhail — 1/2-1/2 — Moscow RUS
1957 — Bastrikov, Georgy vs Nikolaevsky, Yuri V — 1/2-1/2 — Kiev UKR
1959 — Piazzini, Luis vs Kampelmacher, Manuel — 1-0 — Buenos Aires ARG

4…Nbd7 — 3.8% (367 parties)

1938 — Khasin, A. vs Golovko, N. — 1-0 — Gorky
1951 — Anderson, Frank Ross vs Vaitonis, Povilas — 1-0 — Toronto CAN
1951 — Bogoljubow, Efim vs Tartakower, Savielly — 1-0 — Birmingham ENG
1951 — Bogoljubow, Efim vs Tartakower — 1-0 — Cheltenham
1952 — Honfi, Karoly vs Szabadi, Elemer — 1-0 — Salgotarjan

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