Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● e4→d5 ● d6→c5, f7→g6, h7→g6
Passés
Majorité ● aile dame 3v2
Cases
♔ Blancs ♚ Noirs
Cases fortes ● b5 (2v0) ● g4 (2v0)
Cases faibles ● d5
Centre ● d4 (2v1), ● d5 (3v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Semi-ouvertes ● c ● e
Pièces
♔ Blancs ♚ Noirs
Bf1 ● Bf1 Non développé (mob. 5)
Bg5 ● Bg5 Actif (mob. 7)
Bg7 ● Bg7 Ok (mob. 2)
Bc8 ● Bc8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 3 (● f1, ● a1, ● h1) 4 (● b8, ● 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 fermé
Ruptures ● e4-e5

A71a — Benoni: Classical, 8.Bg5

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bg5 *   ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bK
bR
bP
bP
bP
bB
bP
bP
bN
bP
Case forte (2v0)
bP
wPPion central
wBFou actif — mobilité 7
wPPion central
wN
wN
wP
wP
wP
wP
wP
wR
wQ
wK
wBFou actif — mobilité 5
wR
abcdefgh
Plans. Bh4 (48 % des parties) ; Nd2 (27 % des parties) ; Be2 (Fou actif (mobilité 5), Développer f1 — 8 % des parties) ; Bd3 (Fou actif (mobilité 7), Développer f1 — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wB
wK
wQ
wR
wP
wP
wP
wP
wP
wN
wN
Case forte (2v0)
wP
wB
wP
bPMajorité aile dame
bP
bN
bP
bP
bB
bP
bP
bP
bR
bK
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Plans. ...h6 (Poser la question au Bg5 — 52 % des parties) ; ...O-O (Mettre le roi en sécurité, connecter les tours — 36 % des parties) ; ...a6 (Préparer expansion aile dame — 9 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1955 Wroclaw – Round 1 – Gadalinski, Jan – 1-0 – Swiecicki, Jaroslaw – G8
1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 O-O 9. Nd2 a6 10. a4 Nbd7
1957 Leningrad Ch – Round 9 – Shamkovich – 1/2-1/2 – Spassky, Boris V. – G69
1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bg5 O-O 9. Nd2 a6 10. a4 Qc7
1957 New York ch-USA – Round 8 – Lombardy, William J – 1-0 – Di Camillo, Attilio – G45
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 O-O 9. Nd2 h6 10. Bh4 Re8
1958 Munich olm prel – Round 4 – Petrosian, Tigran A. – 1-0 – Contedini, Ennio – G37
1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 Qa5 9. Nd2 O-O 10. Nc4 Qd8
1958 Portoroz Interzonal – Round 14 – Averbakh, Yuri L – 1/2-1/2 – Tal, Mikhail – G127
1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Bg5 O-O 9. Nd2 h6 10. Bh4 a6
1959 Dresden – Round 3 – Padevsky, Nikola – 1-0 – Franz, Joachim – G26
1. d4 e6 2. Nf3 Nf6 3. c4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bg5 O-O 9. Nd2 Re8 10. Be2 a6
1959 HUN Ch – Round 8 – Florian, Tibor – 1-0 – Pogats, Jozsef Jr. – G6
1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bg5 O-O 9. Nd2 a6 10. a4 Nbd7
1959 Lima – Round 8 – Sanguinetti, Raul – 1-0 – Del Pozo – G42
1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Bg5 O-O 9. Nd2 Nbd7 10. Be2 a6
1959 Tbilisi ch-URS – Round 8 – Geller, Efim P – 1/2-1/2 – Gufeld, Eduard – G61
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 h6 9. Bh4 O-O 10. Nd2 a6
1959 UKR Ch – Round 14 – Gufeld, Eduard – 1/2-1/2 – Nikolaevsky, Yuri V – G104
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 a6 9. Nd2 O-O 10. a4 Re8
1960 Asuncion – Round 1 – Szabo, Ladislav – 1-0 – Aceituno Cantero, Jose Tomas – G9
1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 O-O 9. Nd2 Re8 10. Be2 Na6
1960 BUL-ch14 Sofia BUL – Round 15 – Milev, Zdravko – 1-0 – Dimitrov, Krastjo – G55
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bg5 Bg7 8. Nf3 a6 9. a4 O-O 10. Nd2 Re8
1960 Santa Fe – Round 1 – Taimanov, Mark E – 1-0 – Alonso-Lej De Las Casas, Fernando – G3
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 O-O 9. Nd2 Na6 10. Be2 Nc7
1961 Oberhausen etc – Round 8 – Albareda, Miguel – 1-0 – Bertok, Mario Jr. – G197
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 h6 9. Bf4 a6 10. a4 Nh5
1961 WchT U26 08th – Round 13.1 – Kanko, Ilkka – 1/2-1/2 – Forintos, Gyozo V – G120
1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Bg5 a6 9. Nd2 b5 10. Qc2 h6
1962 Erevan ch-URS – Round 1 – Taimanov, Mark E – 1-0 – Zaitsev, Alexander – G31
1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. Bg5 Bg7 8. e4 O-O 9. Nd2 h6 10. Bh4 Re8
1963 Club Argentino – Round 9 – Amado, Claudio – 0-1 – Panno, Oscar – G38
1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bg5 O-O 9. Nd2 Re8 10. Be2 b6
1963 Halle zt – Round 1 – Kanko, Ilkka – 0-1 – Westerinen, Heikki M.J. – G27
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. e4 d6 7. Nf3 Bg7 8. Bg5 O-O 9. Nd2 Re8 10. Be2 Na6
1964 Budapest Ch – Round 1 – Forintos, Gyozo V – 1-0 – Szekely, Mihaly – G3
1. c4 Nf6 2. d4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Bg5 h6 9. Bh4 O-O 10. Nd2 Na6
1964 Zinnowitz Zinnowitz GER – Round 6 – Baumbach, Friedrich, Dr. – 1/2-1/2 – Golz, Werner – G21
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 a6 9. a4 h6 10. Bh4 g5
1965 Hastings6566 – Round 2 – Gheorghiu, Florin – 1-0 – Hartston, William R – G6
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 O-O 9. Nd2 Re8 10. Be2 b6
1966 La Habana olm prel – Round 5 – Malich, Burkhard, Dr. – 1-0 – Piscitelli, Alfonso – G81
1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. d5 e6 5. Nc3 exd5 6. cxd5 d6 7. e4 Bg7 8. Bg5 O-O 9. Nd2 Nbd7 10. Be2 a6
1967 DSV-Turnier – Round 14 – Uhlmann, Wolfgang – 1-0 – Golz, Werner – G82
1. c4 Nf6 2. d4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bg5 Bg7 8. Nf3 h6 9. Bf4 g5 10. Bb5+ Kf8
1967 Halle zt – Round 15 – Uhlmann, Wolfgang – 1-0 – Kinnmark, Ove – G71
1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bg5 Bg4 9. Qa4+ Bd7 10. Qb3 Qc7
1967 Sousse Interzonal+ – Round 4 – Cuellar Alpire, Mariana – 0-1 – Fischer, Raphael – G4
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Bg5 h6 9. Bf4 g5 10. Bc1 O-O
1968 Cardenas/Matanzas/Santa Clara – Round 1 – Yepez, Olavo – 1-0 – Angulo Castillo, Francisco – G3
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 O-O 9. Nd2 h6 10. Bh4 Re8
1968 URS Team Ch – Round 7.1 – Lazarev, Efim M. – 1-0 – Hermlin, Aarne – G204
1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 c5 5. d5 d6 6. e4 e6 7. Bg5 exd5 8. cxd5 O-O 9. Nd2 Re8 10. Be2 a6
Manila Interzonal 1976 – Round 9 – Kavalek, Lubomir – 1-0 – Ljubojevic, Ljubomir – G38
1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 g6 6. e4 d6 7. Nf3 Bg7 8. Bg5 O-O 9. Nd2 Re8 10. Be2 a6

A71a — Classical (1955)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bg5
Les coups candidats
8…h6 — 51.6% (684 parties)
Ambassadeurs : Grivas, Efstratios (19x), Sorin, Ariel (11x), Hoi, Carsten (8x), Nemet, Ivan (7x), Forintos, Gyozo V (6x), Mohr, Stefan (6x), Golz, Werner (5x), Timman, Jan H (5x)
8…O-O — 36.0% (477 parties)
Ambassadeurs : Grivas, Efstratios (7x), Simantsev, Mikhail (4x), Bobotsov, Milko G (3x), Van Riemsdijk, Vinicius (3x), Van Esch, Bas (3x), Thejkumar, M. S. (3x), Kanko, Ilkka (2x), Amado, Claudio (2x)
8…a6 — 9.4% (125 parties)
Ambassadeurs : Goormachtigh, Johan (3x), Pedersen, Erik (3x), Moehring, Guenther (2x), Barczay, Laszlo (2x), Hoi, Carsten (2x), Sorin, Adrien (2x), Geller, Adam (1x), Mnatsakanian, Arsen (1x)
8…Bg4 — 1.6% (21 parties)
Ambassadeurs : Hoi, Carsten (2x), Lazarev, Efim M. (1x), Platonov, Igor V (1x), Uhlmann, Wolfgang (1x), Kinnmark, Ove (1x), Aguiar Garcia, Juan (1x), Gutierrez De Las Heras, Antonio (1x), Buhrkal, Helle (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…h6 8…O-O 8…a6 8…Bg4
<1800 61 31% 52% 7% 5%
1800-2200 331 31% 53% 11% 3%
2200-2600 576 65% 24% 10% 1%
Évolution par décennie (% des parties)
Décennie N parties 8…h6 8…O-O 8…a6 8…Bg4
1950s 23 13% 70% 13%
1960s 83 65% 24% 8% 2%
1970s 182 74% 15% 9% 1%
1980s 286 71% 20% 7% 1%
1990s 249 47% 39% 11% 2%
2000s 272 38% 48% 10% 3%
2010s 201 32% 56% 7% 2%
2020s 30 13% 57% 30%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…h6 32% 13% ▼ -19.0%
8…O-O 56% 57% ▲ +0.9%
8…a6 7% 30% ▲ +23.0%
8…Bg4 2% 0% ▼ -2.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 2 parties
Kasparov, Garry — 1 partie
Parties historiques
8…h6 — 51.6% (684 parties)
1959 — Geller, Efim P. vs Gufeld, Eduard — 1/2-1/2 — Tbilisi ch-URS
1959 — Alexander Tadala vs Suetin, Alexey S — 1-0 — URS
1959 — Khodos, German vs Bastrikov, Georgy — 1-0 — Voronezh RUS
1960 — Taimanov, Mark vs Boleslavsky, Isaac — 1-0 — USSR Tch
1960 — Barden, Leonard vs Bialas, Wolfram — 1/2-1/2 — Biel SUI
8…O-O — 36.0% (477 parties)
1955 — Gadalinski, Jan vs Swiecicki, Jaroslaw — 1-0 — Wroclaw POL
1955 — Zhukhovitsky, Samuel vs Zilber, Israel — 0-1 — Kiev UKR
1955 — Kholmov, Ratmir D vs Nezhmetdinov, Rashid — 1-0 — URS chT
1957 — Lombardy, William J vs Di Camillo, Attilio — 1-0 — New York ch-USA
1957 — Bobotsov, Milko G vs Muehlberg, Siegfried — 1-0 — Varna BUL
8…a6 — 9.4% (125 parties)
1959 — Geller, Adam vs Mnatsakanian, Arsen — 1-0 — USSR
1959 — Gufeld, Eduard vs Nikolaevsky, Yuri V — 1/2-1/2 — Kiev UKR
1959 — Geller, Efim P. vs Tal, Mikhail — 0-1 — Tbilisi ch-URS
1960 — Milev, Zdravko vs Dimitrov, Krastjo — 1-0 — BUL-ch14 Sofia BUL
1961 — Veresov, Valentin vs Suetin, Ilya D — 0-1 — Byelorussia ch
8…Bg4 — 1.6% (21 parties)
1961 — Lazarev, Efim M. vs Platonov, Igor V — 1-0 — Kiev UKR
1967 — Uhlmann, Wolfgang vs Kinnmark, Ove — 1-0 — Halle GER
1979 — Buhrkal, Helle vs Moody, David W — 1/2-1/2 — ?
1980 — Aguiar Garcia, Juan vs Gutierrez De Las Heras, Antonio — 0-1 — Malaga ESP
1989 — Van der Werf, Mark vs Stobik, Dietrich — 1/2-1/2 — Lugano open

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