A70i — Benoni: Classical, 8.Bd3 O-O 9.O-O

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bd3 O-O 9.O-O * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. h3 (Empêcher ...Bg4 — 44 % des parties) ; a4 (29 % des parties) ; Re1 (8 % des parties) ; Bf4 (Fou actif (mobilité 8), Développer c1 — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bg4 (Fou actif (mobilité 7), Développer c8 — 40 % des parties) ; ...a6 (Préparer expansion aile dame — 33 % des parties) ; ...Re8 (Tour sur colonne semi-ouverte e — 15 % des parties) ; ...Na6 (Développer b8 — 8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

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), ● g5 (2v0)	● g4 (2v0)
Cases faibles	—	● d5
Centre	● d5 (2v1), ● e4 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bd3	● Bd3 Actif (mob. 6)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● e4-e5	—

Partie
1951 URS Ch sf Leningrad RUS – Round 8 – Bondarevsky, Igor – 1-0 – Aratovsky, Nikolay – G12 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bd3 O-O 9. O-O a6 10. a4 Nbd7
1953 URS Team Ch – Round 1 – Goldberg, Grigory A – 1-0 – Veltmander, Iogannes – G4 1. c4 Nf6 2. Nc3 e6 3. d4 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nf3 O-O 9. O-O Re8 10. Bf4 Na6
1954 URS Team Ch – Round 9 – Kampenuss Peteris – 0-1 – Polugaevsky, Lev – G154 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Bd3 O-O 9. O-O Na6 10. Bf4 Nc7
1955 Moscow Ch – Round 7 – Lebedev, Boris – 1-0 – Vasiukov, Evgeni – G44 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Bd3 O-O 9. O-O Nbd7 10. Bf4 Qe7
1956 Montevideo – Round 1 – Aceituno Cantero, Jose Tomas – 1-0 – De Souza Mendes, Joao – G10 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nf3 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bd3 O-O 9. O-O Re8 10. h3 Nbd7
1957 GBR Ch 44th – Round 2.4 – Parr, Frank – 1-0 – Newman Caceres, Reynaldo Adolfo – G9 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bd3 O-O 9. O-O Re8 10. Bf4 c4
1957 Minsk zt – Round 14 – Vark, Kalju – 0-1 – Suetin, Alexey S – G95 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nf3 O-O 9. O-O Na6 10. Bg5 h6
1957 Minsk zt – Round 8 – Vistaneckis, Isakas – 1/2-1/2 – Petrosian, Tigran V – G54 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bd3 O-O 9. O-O Re8 10. Bg5 a6
1957 Reykjavik – Round 1 – Mititelu, Gheorghe – 0-1 – Tal, Michael – G4 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Bg4
1957 Rio de Janeiro zt – Round 1 – Letelier Martner, Rene – 1/2-1/2 – Gentil Junior, Luiz – G9 1. c4 Nf6 2. Nc3 c5 3. Nf3 g6 4. d4 Bg7 5. d5 d6 6. e4 O-O 7. Bd3 e6 8. O-O exd5 9. cxd5 a6 10. a4 Bg4
1957 WchT U26 04th – Round 7.2 – Ravn, Palle – 0-1 – Spassky, Boris V. – G91 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bd3 O-O 9. O-O a6 10. a4 Bg4
1959 Corr – Round 1 – Laustsen, Albert – 1/2-1/2 – Jezek, Jaroslav – G16 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nf3 O-O 9. O-O Bg4 10. Be2 Bxf3
1959 DEN Ch – Round 10 – Korning, Peter – 1-0 – Nielsen, Hartvig – G50 1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bd3 O-O 9. O-O Bg4 10. h3 Bxf3
1959 DEN Ch – Round 3 – Korning, Peter – 0-1 – Andersen, Borge – G14 1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bd3 O-O 9. O-O Bg4 10. h3 Bxf3
1959 Lima – Round 7 – Pinzon Solis, Felipe – 0-1 – Sanguineti, Raúl Carlos – G37 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bd3 O-O 9. O-O Bg4 10. h3 Bxf3
1959 Santiago – Round 3 – Jauregui, Carlos – 1/2-1/2 – Sanguineti, Raúl Carlos – G16 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bd3 O-O 9. O-O Bg4 10. h3 Bxf3
1959 Stevenson Memorial – Round 1 – Brown, Bertram Goulding – 0-1 – Wade, Robert G – G1 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bd3 O-O 9. O-O a6 10. a4 Qc7
1960 Leipzig olm prel – Round 4 – De Cardenas, Raul – 1/2-1/2 – Bialas, Wolfram – G121 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bd3 O-O 9. O-O Bg4 10. h3 Bxf3
1960 Leipzig olm prel – Round 7 – Angos, Alexander – 0-1 – Portisch, Lajos – G236 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bd3 O-O 9. O-O a6 10. a4 Bg4
1961 Buenos Aires ch-ARG – Round 7 – Chemes, Luis – 0-1 – Goldenberg, Edgardo – G40 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. e4 d6 7. Nf3 Bg7 8. Bd3 O-O 9. O-O a6 10. a4 Bg4
1962 Stevenson Memorial 10th – Round 3 – Mazitis, Arnolds – 0-1 – Cafferty, Bernard – G9 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. e4 d6 7. Nf3 Bg7 8. Bd3 O-O 9. O-O a6 10. a4 Bg4
1964 Tel Aviv olm fin-A – Round 6 – Pfleger, Helmut, Dr. – 1-0 – Filipowicz, Andrzej – G123 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bd3 O-O 9. O-O a6 10. a4 Bg4
1966 New York ch-USA – Round 11 – Saidy, Anthony – 0-1 – Sherwin, James T – G55 1. c4 g6 2. Nc3 Bg7 3. d4 c5 4. d5 d6 5. e4 Nf6 6. Bd3 O-O 7. Nf3 e6 8. O-O exd5 9. cxd5 Bg4 10. h3 Bxf3
1966 Rzeszow ch POL – Round 15 – Balcerowski, Witold – 1-0 – Adamski, Jan – G103 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 O-O 7. Bd3 e6 8. O-O exd5 9. cxd5 a6 10. a4 Bg4
34. ECC Open 2018 – Round 3.3 – Salama, Omar – 0-1 – Abasov, Nijat – G91 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 g6 6. Nc3 Bg7 7. e4 d6 8. Bd3 O-O 9. O-O Bg4 10. Bf4 Nh5
Petropolis Interzonal 1973 – Round 6 – Smyslov, Vassily – 1/2-1/2 – Polugaevsky, Lev – G22 1. c4 Nf6 2. d4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Bd3 O-O 7. Nf3 e6 8. O-O exd5 9. cxd5 Bg4 10. h3 Bxf3

A70i — Classical (1951)

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bd3 O-O 9.O-O

Les coups candidats

9…Bg4 — 40.2% (471 parties)

Ambassadeurs : Kusnierz, Janusz (3x), Korning, Peter (2x), Sanguineti, Raúl Carlos (2x), Schatzberg Wolfgang (2x), Gray, Garvin (2x), Coursaget, Nicolas (2x), Kelly, Ian G (2x), Goldberg, Grigory A (1x)

9…a6 — 33.2% (389 parties)

Ambassadeurs : Tal, Mikhail (2x), Filipowicz, Andrzej (2x), Kormos, Lajos (2x), Kostina, Nadezhda (2x), Goulding, Tom (1x), Brown, Benjamin (1x), Donner, Jan-Hein (1x), Henry, Paul (1x)

9…Re8 — 14.7% (172 parties)

Ambassadeurs : Beltz, Martina (2x), Lopez Martinez, Josep Manuel (2x), Gomez Luesia, Jesus C. (2x), Goldberg, Grigory (1x), Veltmander, Iogannes (1x), Parr, Frank (1x), Newman III, Robert Paul (1x), Miguel, Nahuel (1x)

9…Na6 — 8.5% (100 parties)

Ambassadeurs : Mai, Iris (2x), Brock, Walter (1x), Huguet, Bernard (1x), Heinoo, Risto (1x), Brodie, Hugh (1x), Kampenuss, Peteris (1x), Polugaevsky, Lev (1x), Martinez, Fabian Steven (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Bg4	9…a6	9…Re8	9…Na6
<1800	117	37%	31%	20%	7%
1800-2200	655	37%	36%	15%	9%
2200-2600	184	54%	29%	8%	7%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Bg4	9…a6	9…Re8	9…Na6
1950s	23	26%	30%	26%	13%
1960s	29	38%	31%	10%	17%
1970s	29	31%	21%	14%	28%
1980s	48	50%	40%	10%	—
1990s	174	32%	37%	17%	9%
2000s	391	39%	32%	15%	10%
2010s	379	42%	37%	13%	6%
2020s	100	57%	18%	16%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Bg4	42%	57%	▲ +15.3%
9…a6	37%	18%	▼ -18.7%
9…Re8	13%	16%	▲ +3.1%
9…Na6	6%	8%	▲ +1.9%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 3 parties

Parties historiques

9…Bg4 — 40.2% (471 parties)

1955 — Goldberg, Grigory A vs Sherbakov, Vitaly — 0-1 — Moscow RUS
1959 — Korning, Peter vs Andersen, Borge — 0-1 — Aarhus DEN
1959 — Korning, Peter vs Nielsen, Hartvig — 1-0 — Aarhus DEN
1959 — Jauregui, Carlos vs Sanguineti, Raúl Carlos — 1/2-1/2 — Santiago CHI
1959 — Laustsen, Albert vs Jezek, Jaroslav — 1/2-1/2 — ?

9…a6 — 33.2% (389 parties)

1951 — Bondarevsky, Igor vs Aratovsky, Nikolay — 1-0 — URS-ch sf Leningrad RUS
1957 — Letelier Martner, Rene vs Gentil Junior, Luiz — 1/2-1/2 — Rio de Janeiro BRA
1957 — Mititelu, Gheorghe vs Tal, Mikhail — 0-1 — Reykjavik ISL
1957 — Ravn, Palle vs Spassky, Boris V. — 0-1 — Reykjavik ISL
1957 — Abhinaya Polaka vs Vasiukov, Evgeni — 0-1 — Moscow RUS

9…Re8 — 14.7% (172 parties)

1953 — Goldberg, Grigory vs Veltmander, Iogannes — 1-0 — Leningrad RUS
1956 — Cantero, Carlos Ramon vs Souza Mendes, Joao — 1-0 — Montevideo URU
1957 — Parr, Frank vs Newman III, Robert Paul — 1-0 — ?
1957 — Valchanov, Mihail vs Bogdanov, Emil — 1-0 — Sofia BUL
1957 — Vistaneckis, Isakas vs Petrosian, Tigran V. — 1/2-1/2 — Minsk zt

9…Na6 — 8.5% (100 parties)

1953 — Birbrager, Isaak vs Tal, Mikhail — 0-1 — Kharkov UKR
1954 — Kampenuss, Peteris vs Polugaevsky, Lev — 0-1 — Riga LAT
1957 — Vark, Kalju vs Suetin, Alexey S — 0-1 — Minsk BLR
1961 — Martinez, Fabian Steven vs Rivera, Daniel — 0-1 — Rio Piedras
1963 — Brock, Walter vs Huguet, Bernard — 1/2-1/2 — Paris FRA

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