A64a — Benoni: Fianchetto, 11…Re8

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O Nbd7 10.Nd2 a6 11.a4 Re8 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), la case forte e4, un fou actif en g2, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Le fou enfermé en c8.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Bg5 (Clouer Nf6) ; Tour sur colonne c.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), la case forte e5, la paire de fous et la colonne semi-ouverte e.

Côté adverse. Le fou enfermé en c1.

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

Plans. ...Bf5 (Développer Bc8) ; ...c4 (Rupture) ; Tour sur colonne e.

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● d6→c5, b7→a6, f7→g6, h7→g6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (3v2)	● e5 (3v0)
Cases faibles	● e4	● d5
Centre	● d5 (2v1), ● e4 (3v2)	● d4 (1v0), ● e5 (3v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Actif (mob. 4)
Bg7		● Bg7 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	2 (c8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● e2-e3, ● f2-f3	● …c5-c4

Partie
1953 Bucharest – Round 11 – O'Kelly de Galway, Alberic – 1/2-1/2 – Tolush, Alexander V – G103 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 a6
1953 Candidats Tournament – Round 1 – Euwe, Max – 1-0 – Kotov Lundqvist, Alex – G3 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7
1954 Bucharest – Round 2 – Stahlberg, Gideon – 0-1 – Kluger, Carsten – G31 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Re8
1955 Budapest HUN – Round ? – Gereben, Erno – 0-1 – Kluger, Gyula – G11 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Re8 10. Nd2 a6
1955 Buenos Aires CA – Round 1 – Toran Albero, Roman – 1/2-1/2 – Bianco Esposito, Antonio – G3 1. c4 Nf6 2. d4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Re8
1955 Buenos Aires CA – Round 16 – Donner, H. – 1-0 – Bianco Esposito, Antonio – G114 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nd2 Nbd7 8. g3 Bg7 9. Bg2 O-O 10. O-O a6
1955 Long Beach US-open – Round 10 – Rossolimo, Nicolas – 1-0 – Sherwin, James T – G53 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7
1955 Mar del Plata – Round 8 – Dodero, Emilio – 0-1 – Najdorf, Miguel – G54 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Re8
1955 Moscow Ch – Round 3 – Shcherbakov, Vitaly – 0-1 – Vasiukov, Evgeni – G18 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Re8 10. Nd2 a6
1956 Moscow olm fin-A – Round 5 – Szabo, Ladislav – 1-0 – Unzicker, Wolfgang – G71 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7
1956 URS Ch sf – Round ? – Geller, Alexander – 1/2-1/2 – Zilber, Israel – G13 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 O-O 5. Nf3 d6 6. O-O c5 7. d5 e6 8. Nc3 exd5 9. cxd5 Re8 10. Nd2 a6
1956 URS Ch, semi final – Round 1 – Buslaev, Aleksander – 1-0 – Tal, Mikhail – G9 1. c4 Nf6 2. d4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Re8 10. Nd2 a6
1957 URS Ch, semi final – Round 1 – Kikiani, Tamaz – 1-0 – Buslaev, Aleksander – G32 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7
1960 Leningrad ch-URS – Round 14 – Averbach, Y. – 1/2-1/2 – Kortchnoi, V. – G129 1. d4 Nf6 2. c4 g6 3. g3 c5 4. d5 e6 5. Nc3 exd5 6. cxd5 d6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 a6
1961 Palanga Baltic Ch – Round ? – Lapienis, Donatas – 0-1 – Buslaev, Aleksander – G29 1. d4 Nf6 2. c4 g6 3. g3 c5 4. d5 e6 5. Nc3 exd5 6. cxd5 d6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Re8
1962 Capablanca Memorial – Round 12 – Abad Gonzalez, Jose Miguel – 1-0 – Polugaevsky, Lev – G116 1. d4 Nf6 2. g3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Nbd7
1963 Capablanca Memorial – Round 14 – Calero, Ivan – 1-0 – Tal, Mikhail – G131 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Re8
1963 LAT Ch – Round ? – Korelov, Alexander P – 1-0 – Zhuravliov, Valerij – G15 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Re8 10. Nd2 Nbd7
1964 Budapest ch-HUN – Round 1 – Gasztonyi, Endre – 0-1 – Forintos, Gyozo V – G56 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Re8
1964 Hoogovens – Round 1 – Van Scheltinga, Theo – 0-1 – Lengyel, Laszlo – G10 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7
1964 Magdeburg ch DDR – Round 16 – Starck, Bodo – 0-1 – Golz, Werner – G39 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Re8
1964 Tel Aviv olm – Round 1 – Yepez, Trotzky – 0-1 – Golz, Werner – G39 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Re8 10. Nd2 Nbd7
1964 Tel Aviv olm prel – Round 6 – Yepez, Trotzky – 0-1 – Golz, Werner – G214 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7
1965 Budapest2 – Round 2 – Navarovszky, Laszlo – 1/2-1/2 – Lengyel, Levente – G19 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Bg2 g6 7. Nc3 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Re8
1966 Tbilisi ch-URS – Round 2 – Liberzon, Vladimir M – 0-1 – Stein, Leon Rico – G15 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 c5 6. d5 e6 7. Bg2 exd5 8. cxd5 d6 9. O-O Re8 10. Nd2 a6
1966 Tbilisi ch-URS – Round 6 – Osnos, Viatcheslav – 1/2-1/2 – Stein, Leon Rico – G54 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 c5 6. d5 e6 7. Nc3 exd5 8. cxd5 d6 9. O-O a6 10. a4 Re8
1966 USSR – Round 1 – Furman, Slavomir – 0-1 – Kapengut, Albert – G13 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 c5 6. d5 e6 7. Nf3 exd5 8. cxd5 d6 9. O-O Re8 10. Nd2 Nbd7
1967 POL Team Ch 20th – Round 5 – Drozd, Ryszard – 0-1 – Adamski, Jan – G29 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 d6 7. Nf3 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 a6
1968 Alma Ata ch-URS – Round 1 – Lein, Anatoly – 1/2-1/2 – Vasiukov, Evgeni – G15 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 c5 6. d5 e6 7. Nf3 exd5 8. cxd5 d6 9. O-O Re8 10. Nd2 a6
1968 Alma Ata ch-URS – Round 13 – Osnos, Viatcheslav – 0-1 – Tal, Mikhail – G116 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c5 5. d5 O-O 6. Nf3 e6 7. Nc3 exd5 8. cxd5 d6 9. O-O a6 10. a4 Re8
1968 Alma Ata ch-URS – Round 19 – Polugaevsky, Lev – 1/2-1/2 – Tal, Mikhail – G157 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Re8
1969 Belgrade – Round 2 – Ivkov, Borislav – 1-0 – Sahovic, Dragutin – G5 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. Nf3 O-O 6. g3 d6 7. Bg2 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 a6
1969 IBM I – Round 5 – Ivkov, Borislav – 1/2-1/2 – Vasiukov, Evgeni – G21 1. d4 Nf6 2. c4 g6 3. g3 c5 4. d5 Bg7 5. Bg2 O-O 6. Nf3 e6 7. Nc3 exd5 8. cxd5 d6 9. O-O a6 10. a4 Re8
1969 Rubinstein Memorial – Round 13 – Ivkov, Borislav – 1/2-1/2 – Adamski, Jan – G57 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 c5 6. d5 e6 7. Nc3 exd5 8. cxd5 d6 9. O-O a6 10. a4 Re8
1969 Vilnius – Round 1 – Butnorius, Algimantas – 0-1 – Nicevski, Risto – G6 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Re8
1972 Skopje ol (Men) fin-A – Round 15 – Lombard, Andre – 0-1 – Jakobsen, Ole – G161 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. O-O O-O 9. Nc3 a6 10. a4 Re8
1973 Leningrad Interzonal – Round 13 – Huebner, Robert – 1-0 – De La Torre Rodriguez, Elizabeth – G39 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. Nf3 Bg7 7. g3 O-O 8. Bg2 d6 9. O-O Re8 10. Nd2 Nbd7
1974 Manila – Round 5 – Gheorghiu, Florin – 1-0 – Ljubojevic, Ljubomir – G50 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 g6 6. g3 d6 7. Nf3 Bg7 8. Nd2 Nbd7 9. Bg2 O-O 10. O-O Re8
Bugojno 1984 – Round 1 – Smyslov, Vassily – 1/2-1/2 – Ivanovic, Bozidar – G13 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. g3 Bg7 6. Bg2 O-O 7. Nf3 e6 8. O-O exd5 9. cxd5 a6 10. a4 Re8
Montreal 1979 – Round 4 – Hort, Vlastimil – 1/2-1/2 – Timman, Jan H – G19 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Nd2 Nbd7

A64a — Fianchetto

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O Nbd7 10.Nd2 a6 11.a4 Re8

Eval: [+0.25]

Les coups candidats

12.h3 — 54.6% (2019 parties) →

Ambassadeurs : Rawlings, Alan J C (15x), Mikhalevski, Victor (15x), Grammatica, Andrea (11x), Lacrosse, Marc (10x), Birnboim, Nathan (10x), Reefschlaeger, Helmut, Dr. (9x), Jirka, Jiri (9x), Tal, Mikhail (8x)

12.Nc4 — 26.4% (978 parties) →

Ambassadeurs : Arkell, Keith C (24x), Kunsztowicz, Uwe (5x), Psakhis, Lev (5x), Huebner, Robert (5x), Tal, Mikhail (4x), Fier, Alexandr (4x), Kaidanov, Gregory (3x), Unzicker, Wolfgang (3x)

12.a5 — 7.6% (280 parties) →

Ambassadeurs : Ilincic, Zlatko (22x), Grabarczyk, Miroslaw (6x), Nikolic, Predrag (5x), Razuvaev, Yuri S (3x), Rajlich, Iweta (3x), Beilin, Sergey Mikhailovich (3x), Tal, Mikhail (2x), Vladimirov, Yevgeniy (2x)

12.e4 — 4.1% (153 parties)

Ambassadeurs : Burkart, Roland (3x), Slepoy, Yosef (2x), Zilber, Israel (2x), Karlsen, Sverre (2x), Kantorik, Marian (2x), Duque Zilber, Rafael (1x), Rossolimo, Nicolas (1x), Sherwin, James T (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12.h3	12.Nc4	12.a5	12.e4
<1800	31	48%	35%	10%	3%
1800-2200	990	53%	29%	6%	5%
2200-2600	2188	57%	25%	7%	3%
2600+	57	67%	12%	19%	2%

Évolution par décennie (% des parties)

Décennie	N parties	12.h3	12.Nc4	12.a5	12.e4
1950s	24	33%	29%	21%	12%
1960s	41	68%	17%	5%	7%
1970s	142	46%	25%	16%	7%
1980s	327	47%	31%	8%	3%
1990s	407	30%	39%	8%	5%
2000s	707	50%	29%	9%	4%
2010s	1775	66%	22%	5%	3%
2020s	275	44%	25%	12%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12.h3	66%	44%	▼ -21.2%
12.Nc4	22%	25%	▲ +3.4%
12.a5	5%	12%	▲ +6.3%
12.e4	3%	7%	▲ +4.1%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Ju, Wenjun — 5 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 2 parties
Euwe, Max — 1 partie
Smyslov, Vladimir — 1 partie
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

12.h3 — 54.6% (2019 parties)

1955 — Gereben, Erno vs Kluger, Gyula — 0-1 — Budapest HUN
1955 — Donner, H. vs Bianco Esposito, Antonio — 1-0 — Buenos Aires ARG
1955 — Chekhover, Vitaly vs Brazilsky, Y. — 1-0 — Odessa UKR
1956 — Buslaev, Aleksander vs Tal, Mikhail — 1-0 — Tbilisi GEO
1956 — Szabo, Laszlo vs Unzicker, Ferdinand, Dr. — 1-0 — Moscow olm

12.Nc4 — 26.4% (978 parties)

1954 — Stahlberg, Gideon vs Kluger, Carsten — 0-1 — Bucharest ROU
1955 — Toran Albero, Roman vs Esposito, Alfredo — 1/2-1/2 — Buenos Aires (0
1955 — Toran Albero, Roman vs Bianco Esposito, Antonio — 1/2-1/2 — Buenos Aires ARG
1955 — Dodero, Emilio vs Najdorf, Miguel — 0-1 — Mar del Plata ARG
1956 — Geller, Alexander vs Zilber, Israel — 1/2-1/2 — Leningrad RUS

12.a5 — 7.6% (280 parties)

1953 — Euwe, Max vs Kotov Lundqvist, Alex — 1-0 — Zurich SUI
1953 — O'Kelly de Galway, Alberic vs Tolush, Alexander V — 1/2-1/2 — Bucharest ROU
1955 — Shcherbakov, Vitaly vs Vasiukov, Evgeni — 0-1 — Moscow RUS
1955 — Dvorak Santos, Tiago vs Fischl, Kamilla — 1-0 — Prague CZE
1957 — Kikiani, Tamaz vs Buslaev, Aleksander — 1-0 — Tbilisi GEO

12.e4 — 4.1% (153 parties)

1955 — Rossolimo, Nicolas vs Sherwin, James T — 1-0 — Long Beach, CA USA
1956 — Slepoy, Yosef vs Duque Zilber, Rafael — 1/2-1/2 — Leningrad RUS
1956 — Slepoy, Yosef vs Zilber, Israel — 1/2-1/2 — Leningrad RUS
1960 — Zilber, Israel vs Simagin, Vladimir — 0-1 — Moscow RUS
1960 — Silber, Fabian vs Simagin, Konstantin — 0-1 — USSR Tch

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