Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● e4→d5	● d6→c5, b7→a6, f7→g6, h7→g6
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0)	● g4 (2v0)
Cases faibles	—	● d5
Centre	● d5 (2v1), ● e4 (2v1)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bd3	● Bd3 Actif (mob. 5)
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	—

A65j — Benoni: 6.e4 g6 7.Bd3 Bg7 8.Nge2 O-O 9.O-O a6

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Bd3 Bg7 8.Nge2 O-O 9.O-O a6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. a4 (95 % des parties) ; Rb1 (2 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nbd7 (Développer b8 — 47 % des parties) ; ...Re8 (Tour sur colonne semi-ouverte e — 25 % des parties) ; ...Qc7 (17 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1954 URS Team Ch – Round 1 – Mileika, Janis – 0-1 – Tal, Mikhail – G6 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 g6 6. e4 d6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Nbd7
1960 Leipzig olm fin-A – Round 11 – Penrose, Jonathan – 1-0 – Tal, Mikhail – G194 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 g6 6. e4 d6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Qc7
1961 Budapest ch-HUN – Round 1 – Molnar, Illes – 1-0 – Varnusz, Egon – G30 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Nbd7
1961 Buenos Aires ch-ARG – Round 1 – Scanavino, Eduardo – 1-0 – Goldenberg, Edgardo – G2 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. e4 d6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Qc7
1961 CHI Ch – Round 12 – Ader Hausman, Walter – 1/2-1/2 – Schroeder, Eduardo – G28 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 e6 5. e4 exd5 6. cxd5 g6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Qc7
1961 Santa Fe – Round 1 – Filip, Marius Liviu – 1-0 – Klein, Juan Carlos – G7 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Nbd7
1961 Sarajevo – Round 2 – Damjanovic, Marko – 1/2-1/2 – Matulovic, Milan – G15 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a3 b5
1961 Torremolinos – Round 5 – Fernandez Pomar, Paula – 1/2-1/2 – Abalde Perez, Fernando Jose – G19 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. e4 d6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Qc7
1962 Argentina – Round 10 – Bielicki, Carlos – 1-0 – Benzaquen Friedman, Amitay – G49 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 e6 5. e4 exd5 6. cxd5 g6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Nbd7
1962 Poznan ch POL – Round 11 – Cylwik, Zbigniew – 0-1 – Filipowicz, Andrzej – G67 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Nbd7
1963 Paris FRA – Round 9 – Huguet, Bernard – 1-0 – Thiellement, Andre – G24 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Bd3 O-O 7. Nge2 e6 8. O-O exd5 9. cxd5 a6 10. a4 Re8
1964 Amsterdam Interzonal – Round 14 – Bilek, Istvan – 1/2-1/2 – Stein, Leonid – G12 1. d4 c5 2. d5 d6 3. c4 Nf6 4. Nc3 g6 5. e4 Bg7 6. Bd3 O-O 7. Nge2 e6 8. O-O exd5 9. cxd5 a6 10. a4 Qc7
1964 Bordeaux Open Bordeaux FRA – Round 9 – Gereben, Erno – 1/2-1/2 – Bilek, Istvan – G58 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Qc7
1964 Tel Aviv olm fin-A – Round 13 – Bilek, Istvan – 1-0 – Schmid, Leo – G274 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Bd3 O-O 7. Nge2 e6 8. O-O exd5 9. cxd5 a6 10. a4 Nbd7
1964 Tel Aviv olm prel – Round 3 – Yabra, Frederico – 0-1 – Darga, Klaus – G87 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Nbd7
1965 Capablanca Memorial – Round 16 – Pachman, Ludek – 1-0 – Doda, Zbigniew – G159 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Bd3 O-O 7. Nge2 e6 8. O-O exd5 9. cxd5 a6 10. a4 Qc7
1965 IBM-B – Round 1 – Ghitescu, Theodor – 1/2-1/2 – Milic, Bozidar – G1 1. d4 c5 2. d5 d6 3. c4 g6 4. Nc3 Bg7 5. e4 Nf6 6. Bd3 O-O 7. Nge2 e6 8. O-O exd5 9. cxd5 a6 10. a4 Re8
1965 Novi Sad – Round 16 – Bertok, Mario Jr. – 1/2-1/2 – Ostojic, Predrag – G128 1. c4 g6 2. d4 Nf6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Bd3 O-O 7. Nge2 e6 8. O-O exd5 9. cxd5 a6 10. a4 Nbd7
1966 Den Haag zt – Round 5 – Pfleger, Helmut, Dr. – 1-0 – Durão, Joaquim Manuel – G29 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Ng4
1966 IBM-B – Round 8 – Ghitescu, Theodor – 1-0 – Ostojic, Predrag – G25 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Bd3 O-O 7. Nge2 e6 8. O-O exd5 9. cxd5 a6 10. a4 Nbd7
1968 DDR Ch 17th – Round 2 – Wehnert, Lutz – 1-0 – Espig, Lutz – G7 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Nbd7
43. Olympiad 2018 – Round 5.36 – Jumabayev, Rinat – 1/2-1/2 – Amonatov, Farrukh – G337 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 O-O 6. Nge2 c5 7. d5 e6 8. O-O exd5 9. cxd5 a6 10. a4 Re8
Clarin 1979 – Round 2 – Miles, Anthony J – 1/2-1/2 – Spassky, Boris V. – G6 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Bd3 O-O 7. Nge2 e6 8. O-O exd5 9. cxd5 a6 10. a4 b6

A65j — Benoni (1954)

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Bd3 Bg7 8.Nge2 O-O 9.O-O a6

Les coups candidats

10.a4 — 95.2% (846 parties)

Ambassadeurs : Knaak, Rainer (7x), Ghitescu, Theodor (6x), Bak, Istvan (4x), Nunn, John D M (4x), Teske, Henrik (4x), Kas-Fromm, Rita, Dr. (4x), Miles, Anthony J (3x), Gruenfeld, Yehuda (3x)

10.Rb1 — 1.6% (14 parties)

Ambassadeurs : Pachman, Ludek (2x), Zierke, Oliver (2x), Ilic, Zoran (1x), Hochadel, Oliver (1x), Fink-Nunn, Petra (1x), Seirawan, Yasser (1x), Salmon, Neil V. (1x), Hoerstmann, Martin (1x)

10.a3 — 1.0% (9 parties)

Ambassadeurs : Damjanovic, Mato (1x), Matulovic, Milan (1x), Schienmann, Bruno (1x), Haag, Guenter (1x), Corral Blanco, Juan Antonio (1x), Hernandez Guerrero, Gilberto (1x), Wintzer, Joachim, Dr. (1x), Gabler, Bernd (1x)

10.Bg5 — 1.0% (9 parties)

Ambassadeurs : Bruehlmann, Rolf (1x), Groseibl, Ronald P (1x), Astengo, Marcello (1x), Gatterer, Florian (1x), Zubia Aramburu, Mikel (1x), Boulinguez, Jean-Marc (1x), Gonzalez Velez, Fermin (1x), Reinaldo Castineira, Roi (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.a4	10.Rb1	10.a3	10.Bg5
<1800	38	92%	—	—	3%
1800-2200	355	94%	1%	1%	2%
2200-2600	341	96%	2%	1%	0%
2600+	5	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10.a4	10.Rb1	10.a3	10.Bg5
1950s	2	100%	—	—	—
1960s	36	97%	—	3%	—
1970s	34	100%	—	—	—
1980s	125	96%	2%	1%	1%
1990s	172	96%	2%	2%	—
2000s	279	94%	3%	0%	2%
2010s	215	93%	0%	1%	1%
2020s	26	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.a4	93%	100%	▲ +6.5%
10.Rb1	0%	0%	-0.5%
10.a3	1%	0%	▼ -1.4%
10.Bg5	1%	0%	▼ -1.4%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 2 parties
Kasparov, Garry — 1 partie

Parties historiques

10.a4 — 95.2% (846 parties)

1954 — Mileika, Janis vs Tal, Mikhail — 0-1 — Riga LAT
1957 — Hasek, Josef vs Macek, Oldrich — 1-0 — Brno CZE
1960 — Penrose, Justin vs Tal, Mikhail — 1-0 — Leipzig olm
1961 — Molnar, Imre vs Varnusz, Egon — 1-0 — Budapest ch-HUN
1961 — Ader Hausman, Walter vs Schroeder, Eduardo — 1/2-1/2 — Santiago de Chile

10.Rb1 — 1.6% (14 parties)

1981 — Pachman, Ludek vs Ilic, Zoran — 0-1 — Lugano SUI
1989 — Hochadel, Oliver vs Fink-Nunn, Petra — 1-0 — GER
1992 — Pachman, Ludek vs von Hoesslin, Holger — 1-0 — Bad Worishofen WchS
1994 — Seirawan, Yasser vs Salmon, Neil V. — 1-0 — Seattle, WA USA
1997 — Hoerstmann, Martin vs Kind, Bertram — 1/2-1/2 — Essen GER

10.a3 — 1.0% (9 parties)

1961 — Damjanovic, Mato vs Matulovic, Milan — 1/2-1/2 — Sarajevo BIH
1983 — Schienmann, Bruno vs Haag, Guenter — 1-0 — Zurich SUI
1990 — Wintzer, Joachim, Dr. vs Gabler, Bernd — 1-0 — GER
1997 — Seirawan, Yasser vs Comp Zarkov — 1-0 — The Hague NED
1999 — Corral Blanco, Juan Antonio vs Hernandez Guerrero, Gilberto — 1/2-1/2 — Cala Galdana ESP

10.Bg5 — 1.0% (9 parties)

1985 — Bruehlmann, Rolf vs Groseibl, Ronald P — 1-0 — ?
2000 — Astengo, Marcello vs Gatterer, Florian — 0-1 — Bolzano ITA
2000 — Gonzalez Velez, Fermin vs Reinaldo Castineira, Roi — 1-0 — Barcelona ESP
2004 — Zubia Aramburu, Mikel vs Boulinguez, Jean-Marc — 1-0 — San Sebastian ESP
2005 — Aaron Michael P vs Kleinsorgen, Horst — 1/2-1/2 — IECC

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