A62d — Benoni: Fianchetto, 9.O-O Na6

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 Na6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte f4, case forte d5, case forte g5, paire de fous, colonne c.
Faiblesses adverses : arriérés d6, f7, Bg7 enfermé, Bc8 enfermé.
Problèmes : Bc1 enfermé, Bg2 enfermé.
Plans :
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité aile_dame (3v2), case forte b4, case forte g4, case forte c5, case forte f5, paire de fous, colonne e.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Problèmes : Bg7 enfermé, Bc8 enfermé, arriérés d6, f7.
Plans :
● ...Bg4 — Développer Bc8, clouer Nf3
● ...c4 — Rupture
● ...Re — Tour sur colonne e

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A62d — 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 Na6

Eval: [+0.54]

Les coups candidats

10.Nd2 — 63.8% (950 parties)

Ambassadeurs : Suba, Mihai (17x), Gleizerov, Evgeny (12x), Mikhalevski, Victor (7x), Alburt, Lev (5x), Drasko, Milan (5x), Kashlinskaya, Alina (5x), Zamikhovsky, Abram (4x), Shamkovich, Leonid (4x)

10.h3 — 15.9% (237 parties)

Ambassadeurs : Csom, Istvan (7x), Suba, Mihai (7x), Razuvaev, Yuri S (6x), Sosonko, Gennadi (5x), Birnboim, Nathan (5x), Korchnoi, Viktor (4x), Wedberg, Tom (4x), Lacrosse, Marc (4x)

10.Bf4 — 7.9% (118 parties)

Ambassadeurs : Marovic, Drazen (2x), Voiteanu, Cristian-Gabriel (2x), Salguero, Rafael (2x), Arishin, Sergei (2x), Morosi, Dario (2x), Uusi, Gunnar (1x), Zilber, Israel (1x), Sakharov, Yuri G. (1x)

10.e4 — 5.6% (83 parties)

Ambassadeurs : Czerniak, Moshe (2x), Letelier Martner, Rene (1x), Darga, Klaus (1x), Cobo Arteaga, Eldis (1x), Matulovic, Milan (1x), Rubtsova, Olga (1x), Zvorykina, Kira Alekseyevna (1x), Sugden, John N (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Nd2	10.h3	10.Bf4	10.e4
<1800	20	50%	10%	10%	20%
1800-2200	388	60%	13%	9%	8%
2200-2600	827	66%	18%	8%	4%
2600+	13	46%	31%	8%	8%

Évolution par décennie (% des parties)

Décennie	N parties	10.Nd2	10.h3	10.Bf4	10.e4
1950s	30	70%	3%	13%	13%
1960s	65	72%	12%	6%	8%
1970s	74	65%	24%	4%	4%
1980s	130	56%	25%	4%	5%
1990s	325	71%	13%	4%	5%
2000s	353	75%	10%	5%	5%
2010s	439	53%	22%	12%	5%
2020s	74	45%	5%	23%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Nd2	53%	45%	▼ -8.7%
10.h3	22%	5%	▼ -16.5%
10.Bf4	12%	23%	▲ +10.7%
10.e4	5%	7%	▲ +1.3%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 2 parties
Ju, Wenjun — 1 partie

Parties historiques

10.Nd2 — 63.8% (950 parties)

1954 — Koberl, Ferenc vs Dely, P. — 1/2-1/2 — Hungary ch
1954 — Gurgenidze, Bukhuti vs Bastrikov, Georgy — 1-0 — Erevan ARM
1955 — Byvshev, Vasily vs Klavins, Janis — 0-1 — Voroshilovgrad
1956 — Buslaev, Aleksander vs Polugaevsky, Lev — 0-1 — Tbilisi GEO
1956 — Zamikhovsky, Abram vs Vasiukov, Evgeni — 1/2-1/2 — Kharkov UKR

10.h3 — 15.9% (237 parties)

1958 — Espinosa Flores, Rafael Emilio vs Shocron, Ruben — 1/2-1/2 — Buenos Aires ARG
1961 — Lengyel, Laszlo vs Janosevic, Dragoljub — 1/2-1/2 — Belgrade SRB
1962 — Kortchnoi, V. vs Tal, Michael — 1-0 — Erevan ch-URS
1963 — Padevsky, Nikola vs Matulovic, Milan — 1-0 — Polanica Zdroj POL
1963 — Kluger, Gyula vs Matulovic, Milan — 0-1 — Polanica Zdroj POL

10.Bf4 — 7.9% (118 parties)

1951 — Zak, Vladimir Grigorievi vs Nezhmetdinov, Rashid — 0-1 — Baku AZE
1953 — Uusi, Gunnar vs Zilber, Israel — 0-1 — Leningrad RUS
1954 — Gudmundsson, Gardar Vidir vs Lundin, Erik — 1-0 — Amsterdam olm
1956 — Sakharov, Yuri G. vs Zurakhov, Vladlen Y — 1-0 — URS-ch sf Tbilisi GEO
1961 — Marovic, Drazen vs Milicevic, Miodrag — 1-0 — Yugoslavia Cup

10.e4 — 5.6% (83 parties)

1952 — Rubtsova, Olga vs Zvorykina, Kira Alekseyevna — 1/2-1/2 — Moscow RUS
1953 — Ujtelky, Maximilian vs Brat, Vaclaw — 1-0 — Prague CZE
1956 — Olivera, Alfredo vs Redolfi, Argentino Rodolfo — 0-1 — Mar del Plata ARG
1959 — Heilemann, Manfred vs Bialas, Wolfram — 1/2-1/2 — Minden
1962 — Castagna, Rino vs Czerniak, Moshe — 1/2-1/2 — Varna BUL

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● d5 (2v1), ● g5 (2v0)	● b4 (2v0), ● g4 (2v0), ● c5 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
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	● …c5-c4

Partie
1953 CSR Ch Prague – Round 2 – Ujtelky, Maximilian – 1-0 – Brat, Vaclaw – G11 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 Na6 10. e4 Rb8
1954 Amsterdam olm – Round 1 – Gudmundsson, Gardar Vidir – 1-0 – Lundin, Erik – G40 1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. c4 g6 5. Nc3 Bg7 6. g3 O-O 7. Bg2 e6 8. O-O exd5 9. cxd5 Na6 10. Bf4 Nc7
1956 Mar del Plata – Round 4 – Olivera, Alfredo – 0-1 – Redolfi, Argentino Rodolfo – G27 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 Na6 10. e4 Bg4
1956 URS Ch sf Tbilisi GEO – Round 12 – Sakharov, Yuri G. – 1-0 – Zurakhov, Vladlen Y – G13 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 Na6 10. Bf4 Nc7
1958 Argentina – Round 17 – Espinosa Flores, Rafael Emilio – 1/2-1/2 – Shocron, Ruben – G131 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 c5 7. d5 e6 8. Nc3 exd5 9. cxd5 Na6 10. h3 Nc7
1959 FRG Team Ch fin – Round 1.2 – Heilemann, Manfred – 1/2-1/2 – Bialas, Wolfram – G2 1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. O-O O-O 9. Nc3 Na6 10. e4 Bg4
1961 Belgrade Open – Round 6 – Lengyel, Laszlo – 1/2-1/2 – Janosevic, Dragoljub – G14 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 Na6 10. h3 Nc7
1961 Nykobing – Round 4 – Kolvig, Bent – 1-0 – Hamann, Svend – G34 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 d6 5. Bg2 exd5 6. cxd5 g6 7. Nf3 Bg7 8. O-O O-O 9. Nc3 Na6 10. Nd2 Rb8
1961 Yugoslavia Cup – Round 4 – Marovic, Drazen – 1-0 – Milicevic, Miodrag – G6 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 Na6 10. Bf4 Qe7
1962 Erevan ch-URS – Round 1 – Kortchnoi, V. – 1-0 – Tal, Michael – G28 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 Na6 10. h3 Nc7
1962 Varna ol (Men) fin-B – Round 11 – Castagna, Rino – 1/2-1/2 – Czerniak, Moshe – G24 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 c5 6. d5 d6 7. Nc3 e6 8. O-O exd5 9. cxd5 Na6 10. e4 Re8
1963 Liberation – Round 10 – Cobo Arteaga, Eldis – 1/2-1/2 – Matulovic, Milan – G35 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 Na6 10. e4 Bg4
1963 Odense – Round 10 – Hamann, Svend – 1-0 – Soby, Frode – G35 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 g6 6. Nf3 d6 7. g3 Bg7 8. Bg2 O-O 9. O-O Na6 10. Nd2 Rb8
1963 Rubinstein Memorial – Round 5 – Padevsky, Nikola – 1-0 – Matulovic, Milan – G31 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. Nf3 Bg7 6. g3 O-O 7. Bg2 e6 8. O-O exd5 9. cxd5 Na6 10. h3 Nc7
1963 Rubinstein Memorial – Round 7 – Kluger, Gyula – 0-1 – Matulovic, Milan – G43 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. Nf3 Bg7 6. g3 O-O 7. Bg2 e6 8. O-O exd5 9. cxd5 Na6 10. h3 Re8
1964 Capablanca Memorial – Round 5 – Letelier Martner, Rene – 1-0 – Darga, Klaus – G51 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 Na6 10. e4 Nc7
1966 Havana olm – Round 1 – Lengyel, Laszlo – 0-1 – Langeweg, Kick – G12 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 Na6 10. h3 Nc7
1966 La Habana olm prel – Round 1 – Lengyel, Levente – 0-1 – Langeweg, Kick – G7 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 Na6 10. h3 Nc7
1967 GBR-ch54 Major Open – Round 9 – Sugden, John N – 0-1 – Wood, Beau – G7 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 Na6 10. e4 Bg4
1967 Venice Venice ITA – Round 1 – Magrin, Antonio – 0-1 – Evans, Larry M – G2 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 Na6 10. Bg5 h6
1967 Venice Venice ITA – Round 11 – Magrin, Antonio – 1/2-1/2 – Zinser, Sylvain – G35 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 Na6 10. Nd2 Rb8
Dos Hermanas 1996 – Round 6 – Kamsky, Gata – 0-1 – Topalov, Veselin – G21 1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Na6 10. h3 Re8
Luzern olm 1982 – Round 7 – Korchnoi, Viktor – 1-0 – Tringov, Georgi P – 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 Na6 10. h3 Nc7

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