E68f — King’s Indian: Fianchetto, Classical, 8.e4 exd4 9.Nxd4 Re8 10.h3

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 exd4 9.Nxd4 Re8 10.h3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte f4, case forte g4, case forte b5, case forte d5, paire de fous, colonne d.
Faiblesses adverses : arriéré f7, Bc8 enfermé.
Problèmes : Bc1 enfermé, Bg2 enfermé, arriéré f2.
Plans :
● Bg5 — Clouer Nf6
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte c5, case forte e5, avant-postes c5(C), e5(C), paire de fous, colonne e.
Faiblesses adverses : arriéré f2, Bc1 enfermé, Bg2 enfermé.
Problèmes : Bc8 enfermé, arriéré f7.
Plans :
● ...Bf5 — Développer Bc8
● ...c6 — Rupture
● ...c5 — Rupture
● ...d5 — Rupture
● ...Re — Tour sur colonne e

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E68f — Fianchetto Classical

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 exd4 9.Nxd4 Re8 10.h3

Eval: [+0.56]

Les coups candidats

10…Nc5 — 58.9% (2632 parties) →

Ambassadeurs : Ilincic, Zlatko (23x), Kovalevskaya, Ekaterina (18x), Poldauf, Dirk (15x), Petrushin, Alexander I (14x), Tregubov, Pavel V. (13x), Blagojevic, Dragisa (12x), Spasov, Vasil (11x), Planinec, Albin (10x)

10…a6 — 34.9% (1559 parties)

Ambassadeurs : Gallagher, Joseph G. (27x), Van Wely, Loek (19x), Vajda, Levente (18x), Golubev, Mikhail (12x), Semenova, Irina (9x), Nikolic, Predrag (9x), Pachow, Joerg (8x), Hagarova, Zuzana (7x)

10…c6 — 3.6% (160 parties) →

Ambassadeurs : Piasetski, Leon (2x), Vareille, Francois (2x), Simacek, Pavel (2x), Apicella, Manuel (2x), Pomar Salamanca, Arturo (1x), Rossolimo, Nicolas (1x), Cuellar Alpire, Mariana (1x), Bolbochan, J. (1x)

10…Ne5 — 1.4% (62 parties)

Ambassadeurs : Salwe, Georg (1x), Von Freymann, Sergey (1x), Kupersmith, Leo (1x), Levin Astorga, Nicolas Daniel (1x), Pollitt, James D (1x), Tylor, T. (1x), De Coverly, Roger D (1x), Read, DL. (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…Nc5	10…a6	10…c6	10…Ne5
<1800	46	59%	22%	4%	9%
1800-2200	937	58%	34%	4%	2%
2200-2600	2997	58%	37%	4%	1%
2600+	85	61%	36%	2%	—

Évolution par décennie (% des parties)

Décennie	N parties	10…Nc5	10…a6	10…c6	10…Ne5
1900s	1	—	—	—	100%
1920s	1	100%	—	—	—
1930s	2	100%	—	—	—
1940s	17	100%	—	—	—
1950s	62	89%	—	6%	2%
1960s	20	95%	—	—	5%
1970s	81	94%	—	2%	2%
1980s	135	73%	17%	7%	—
1990s	1175	59%	37%	3%	1%
2000s	1085	51%	42%	4%	2%
2010s	1471	56%	38%	3%	2%
2020s	419	72%	22%	3%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…Nc5	56%	72%	▲ +15.9%
10…a6	38%	22%	▼ -15.7%
10…c6	3%	3%	+0.0%
10…Ne5	2%	1%	▼ -0.7%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 6 parties
Gukesh D — 3 parties
Kasparov, Garry — 2 parties
Ding, Liren — 2 parties
Hou, Yifan — 2 parties
Kramnik, Vladimir — 1 partie
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

10…Nc5 — 58.9% (2632 parties)

1923 — Johner, Paul vs Rosselli, Stefano — 1-0 — Trieste
1935 — Bolbochan, Jacobo vs Dobkin, Yosef — 1/2-1/2 — Warsaw POL
1937 — Szabo, Ladislav vs Ballai, Zsolt — 1-0 — Budapest HUN
1942 — Lilienthal, Andor vs Boleslavsky, Isaac — 1/2-1/2 — Moscow RUS
1945 — Ragozin, Viacheslav vs Konstantinopolsky, Alexander — 1-0 — Moscow RUS

10…a6 — 34.9% (1559 parties)

1985 — Ervin, Roy vs Benjamin, Joel — 1/2-1/2 — Santa Monica, CA USA
1985 — Gutman, Leni vs Benjamin Bedell, Jr. — 0-1 — Dortmund GER
1986 — Nonnenmacher, Thomas vs Haist, Wolfgang — 1/2-1/2 — Bad Urach
1986 — Carvalho, Herbert Abreu vs Braga, Cicero Nogueira — 1/2-1/2 — Garanhuns
1986 — Welin, Thomas vs Benjamin, Joel — 1-0 — Reykjavik ISL

10…c6 — 3.6% (160 parties)

1952 — Cuellar Alpire, Mariana vs Bolbochan, J. — 1/2-1/2 — Mar del Plata ARG
1952 — Abad Gonzalez, Jose Miguel vs Najdorf, Miguel — 0-1 — Havana CUB
1953 — Zita, Frantisek vs Ujtelky, Maximilian — 1-0 — Prague CZE
1954 — Pomar Salamanca, Arturo vs Rossolimo, Nicolas — 1-0 — Los Angeles, CA USA
1976 — Vadasz, Laszlo vs Portisch, Ferenc — 1-0 — Budapest HUN

10…Ne5 — 1.4% (62 parties)

1909 — Salwe, Georg vs Von Freymann, Sergey — 1-0 — St Petersburg RUS
1953 — Pollitt, James D vs Tylor, T. — 0-1 — Hastings ch-BCF
1967 — Kupersmith, Leo vs Levin Astorga, Nicolas Daniel — 0-1 — Santa Monica, CA USA
1970 — De Coverly, Roger D vs Read, DL. — 1-0 — CU Champ
1974 — Lombard, Andre vs Antonas, E. — 1-0 — Nice FRA

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● f2	● f7
Chaînes	● f2→g3	● c7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● g4 (2v1), ● b5 (3v0), ● d5 (3v1)	● c5 (2v0), ● e5 (3v0)
Cases faibles	● e4	—
Centre	● d4 (1v0), ● d5 (3v1)	● e5 (3v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
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	semi-ouvert
Ruptures	● c4-c5, ● e4-e5, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d6-d5

Partie
1909 St Petersburg – Round ? – Salwe, Georg – 1-0 – Von Freymann, Sergey – G116 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nge2 g6 6. g3 Bg7 7. Bg2 exd4 8. Nxd4 O-O 9. O-O Re8 10. h3 Ne5
1950 Dubrovnik olm – Round 10 – Gligorić, Svetozar – 1/2-1/2 – Euwe, Max – G145 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 exd4 9. Nxd4 Re8 10. h3 a5
1952 YUG Ch – Round 19 – Udovcic, Mijo – 1-0 – Trajkovic, Mihajlo – G29 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. h3 Re8 9. e4 exd4 10. Nxd4 Nb6
41. Olympiad Open 2014 – Round 4.1 – Vachier-Lagrave, Maxime – 0-1 – Mamedyarov, Shakhriyar – G244 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. d4 d6 6. Nc3 Nbd7 7. O-O e5 8. e4 exd4 9. Nxd4 Re8 10. h3 a6
42. Olympiad 2016 – Round 5.30 – Cordova, Emilio – 1/2-1/2 – Nedev, Trajko – G360 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. d4 Nbd7 7. O-O e5 8. e4 exd4 9. Nxd4 Re8 10. h3 a6
80. Tata Steel GpA 2018 – Round 7.3 – Matlakov, Maxim – 1/2-1/2 – Adhiban, B. – G40 1. d4 g6 2. c4 Bg7 3. Nf3 Nf6 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 Re8 9. h3 exd4 10. Nxd4 a6
Biel Interzonal 1993 – Round 12 – Abramovic, Bosko – 1-0 – Van Wely, Loek – G272 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. e4 exd4 9. Nxd4 Re8 10. h3 a6
GCT Rapid Croatia 2021 – Round 2.5 – Nepomniachtchi, Ian – 1-0 – Mamedyarov, Shakhriyar – G10 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d4 d6 6. e4 e5 7. Nge2 exd4 8. Nxd4 Re8 9. O-O Nbd7 10. h3 a6
Linares 1999 – Round ? – Kasparov, Garry – 1/2-1/2 – Topalov, Veselin – G4 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d4 Nbd7 8. h3 exd4 9. Nxd4 Re8 10. e4 a6
PCA Qualifiers 1993 – Round 8 – Georgiev, Kaloyan – 1/2-1/2 – Van Wely, Loek – G148 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. h3 exd4 9. Nxd4 Re8 10. e4 a6
Tal Memorial Blitz 2014 – Round 4.4 – Inarkiev, Ernesto – 1-0 – Svidler, Peter – G22 1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. g3 Nf6 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 e5 8. e4 exd4 9. Nxd4 Re8 10. h3 a6
World Blitz 2023 – Round 15.10 – Tsydypov, Zhamsaran – 0-1 – Mamedyarov, Shakhriyar – G841 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nbd7 7. Nc3 e5 8. e4 exd4 9. Nxd4 Re8 10. h3 a6
XVI Ciudad de Linares 99 1999 – Round 14 – Kasparov, Garry – 1/2-1/2 – Topalov, Veselin – G39 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d4 Nbd7 8. h3 exd4 9. Nxd4 Re8 10. e4 a6

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