A49a — Neo-King’s Indian: Fianchetto System

1.d4 Nf6 2.Nf3 g6 3.g3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte f4, case forte e5, case forte g5, paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Nbd2 — Développer Nb1
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Bd6 — Développer Bf8
● ...Bg4 — Clouer Nf3

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A49a — Fianchetto System

1.d4 Nf6 2.Nf3 g6 3.g3

Eval: [+0.13]

Les coups candidats

3…Bg7 — 93.5% (33631 parties) →

Ambassadeurs : Romanishin, Oleg M (198x), Kurajica, Bojan (185x), Nikolic, Predrag (99x), Eckhardt, Claudia (68x), Konopka, Michal (62x), Pert, Nicholas (58x), Bates, Richard A (55x), Dreev, Aleksey (52x)

3…d5 — 3.0% (1089 parties) →

Ambassadeurs : Ftacnik, Lubomir (14x), Kozul, Zdenko (13x), Kovchan, Alexander (13x), Nikolic, Predrag (11x), Kurajica, Bojan (11x), Svidler, Peter (10x), Romanishin, Oleg M (8x), Kempinski, Robert (7x)

3…c5 — 1.8% (640 parties)

Ambassadeurs : Vaganian, Rafael A (7x), Cacco, Christian (5x), Horvath, Csaba (5x), Cebalo, Miso (4x), Lalic, Bogdan (4x), Chatalbashev, Boris (4x), Dreev, Aleksey (4x), Smyslov, Vladimir (3x)

3…b6 — 1.0% (350 parties)

Ambassadeurs : Euwe, Max (5x), Prins, Laura (3x), Gong, Qianyun (3x), Guimard, Carlos E (2x), Hidari, Walid (2x), Jazdanovs, Aleksandrs (2x), Kurajica, Bojan (2x), Cardona, Jeyson (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3…Bg7	3…d5	3…c5	3…b6
<1800	920	93%	3%	1%	2%
1800-2200	12997	94%	3%	1%	1%
2200-2600	16120	93%	3%	2%	1%
2600+	571	86%	8%	4%	2%

Évolution par décennie (% des parties)

Décennie	N parties	3…Bg7	3…d5	3…c5	3…b6
1870s	1	100%	—	—	—
1920s	31	81%	6%	—	13%
1930s	74	86%	4%	—	5%
1940s	93	87%	3%	—	10%
1950s	418	97%	1%	0%	2%
1960s	509	94%	2%	2%	1%
1970s	602	94%	2%	3%	0%
1980s	1409	94%	3%	2%	0%
1990s	7094	95%	3%	2%	0%
2000s	9337	94%	3%	1%	1%
2010s	13086	93%	3%	2%	1%
2020s	3321	93%	3%	2%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3…Bg7	93%	93%	-0.1%
3…d5	3%	3%	+0.2%
3…c5	2%	2%	-0.4%
3…b6	1%	2%	+0.4%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 10 parties
Smyslov, Vladimir — 10 parties
Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Ju, Wenjun — 10 parties
Karpov, Aleksandr — 8 parties
Carlsen, Magnus — 8 parties
Anand, Viswanathan — 7 parties
Tal, Mikhail — 6 parties
Ding, Liren — 6 parties
Gukesh D — 4 parties
Alekhine, Alexander — 1 partie
Steinitz, Wilhelm — 1 partie

Parties historiques

3…Bg7 — 93.5% (33631 parties)

1871 — Jankovec, Ivan vs Liebert, Heinz — 1-0 — Havirov CZE
1921 — Kostic, Boris vs Steiner, Andreas — 1-0 — Queen's Indian Defen
1922 — Przepiorka, Dawid vs Gruenfeld, Ernst — 1/2-1/2 — Bad Pistyan CZE
1922 — Norman, George vs Conde, Adrian G — 1-0 — Hastings ENG
1922 — Wahltuch, Victor vs Maroczy, Geza — 1/2-1/2 — London ENG

3…d5 — 3.0% (1089 parties)

1923 — Znosko-Borovsky, Eugene vs Euwe, Max — 0-1 — Scheveningen NED
1924 — Selezniev, Alexey vs Patay B — 1-0 — Meran ITA
1931 — Goglidze, Viktor vs Yudovich, Mikhail M — 0-1 — Moskou ch-URS
1931 — Baratz, Abraham vs Thomas, George Alan — 1/2-1/2 — Nice FRA
1938 — Hoenlinger, Baldur vs Kouzmine, Karawaeff — 1-0 — Paris FRA

3…c5 — 1.8% (640 parties)

1956 — Rojahn, Ernst vs Ljungquist, Lennart — 1-0 — Moskou olm
1957 — Fuchs, Reinhart vs Breustedt, Werner — 1-0 — Gotha GER
1961 — Pirc, Vasja vs Robatsch, Karl — 1/2-1/2 — Graz AUT
1962 — Saltzberg, Mitchell vs Benko, Pal — 0-1 — San Antonio, TX USA
1963 — Kramer, George vs Kuijpers, Frans — 1/2-1/2 — Beverwijk NED

3…b6 — 1.0% (350 parties)

1926 — Schelfhout, Tijl vs Euwe, Max — 0-1 — Utrecht NED
1927 — Davidson Gallego, Jorge vs Euwe, Max — 1/2-1/2 — Utrecht NED
1927 — Rosselli del Turco, Stefano vs Euwe, Max — 1/2-1/2 — London ENG
1928 — Fallet Kahn, Victor vs Champion, Georges William — 1-0 — Paris FRA
1931 — Fernandez Coria, Valentin vs De Witt, Rodolfo — 0-1 — Argentina

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● f4 (2v0), ● e5 (2v0), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (1v0), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, c1, f1, a1, h1)	5 (b8, c8, f8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Au centre !
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c2-c3, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
11. Tal Mem Blitz 2018 – Round 11.7 – Kramnik, Vladimir – 0-1 – Artemiev, Vladislav – G77 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. c4 Bg7 6. O-O O-O 7. Qd3 c5 8. d5 b5 9. cxb5 Bxd5 10. Nc3 Bb7
1927 London Olympiad 1st – Round 4.61 – Rosselli del Turco, Stefano – 1/2-1/2 – Euwe, Max – G39 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. O-O Bg7 6. c4 d6 7. Nc3 Nbd7 8. Qc2 O-O 9. e4 e5 10. d5 a5
1934 Sopron – Round ? – Sacconi, Antonio – 1/2-1/2 – Szabo, Laszlo – G13 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. O-O c5 6. c3 Bg7 7. dxc5 bxc5 8. Qb3 Bd5 9. Qb5 Qb6 10. Na3 O-O
1934 Ujpest – Round 1 – Havasi, Kornel – 0-1 – Eliskases, Erich – G66 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. c4 Bg7 6. Nc3 O-O 7. O-O d6 8. Qc2 Nbd7 9. Rd1 c6 10. b3 Qc7
1935 Barcelona – Round ? – Ticoulat, Nicolas – 0-1 – Thomas, George Alan – G37 1. d4 Nf6 2. Nf3 g6 3. g3 c6 4. Bg2 Bg7 5. O-O O-O 6. Re1 d5 7. Nbd2 Be6 8. c3 Na6 9. Ng5 Bf5 10. f3 Qd7
1946 Groningen – Round 4 – Guimard, Carlos E – 0-1 – Euwe, Max – G22 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. c4 Bg7 6. O-O O-O 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Bf4 d6 10. Qd2 Nd7
1946 Hastings4647 – Round 2 – Gudmundsson, Gardar Vidir – 1-0 – Prins, Laura – G7 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. c4 Bg7 6. O-O O-O 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Be3 c5 10. Nh4 Bxg2
1946 Staunton, Groningen NED – Round 1 – Guimard, Carlos E – 0-1 – Euwe, Max – G3 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bg7 5. c4 O-O 6. O-O Ne4 7. Nc3 Bb7 8. Nxe4 Bxe4 9. Bf4 d6 10. Qd2 Nd7
1948 Karlovy Vary – Round 11 – Steiner, Laszlo – 0-1 – Prins, Laura – G112 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. c4 Bg7 6. O-O O-O 7. Nbd2 c5 8. d5 b5 9. e4 bxc4 10. Re1 d6
1948 Karlovy Vary – Round 2 – Molina Moller, Brando Felipe – 1-0 – Prins, Laura – G30 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. a4 Bg7 6. a5 e5 7. dxe5 Ng4 8. O-O Qc8 9. axb6 axb6 10. Rxa8 Bxa8
1952 Buenos Aires – Round 1 – Incutto, Carlos – 1/2-1/2 – Juarez, Carlos Eleodoro – G14 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. O-O Bg7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Be3 Nd7
1956 Leningrad ch-URS – Round 1 – Kortchnoi, V. – 1/2-1/2 – Boleslavsky, I. – G77 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. O-O Bg7 6. c4 O-O 7. Qc2 c5 8. d5 b5 9. e4 bxc4 10. Nfd2 e6
1956 URS Ch sf – Round ? – Tarasov, Vitaly – 1-0 – Suetin, Alexey S – G53 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. O-O Bg7 6. c4 O-O 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Be3 c5 10. Qd2 d6
1957 It – Round 14 – Fuchs, Reinhart – 1-0 – Breustedt, Werner – G23 1. d4 Nf6 2. Nf3 g6 3. g3 c5 4. dxc5 Qa5+ 5. Nfd2 Qxc5 6. Bg2 Nc6 7. Nc3 Bg7 8. O-O d6 9. h3 Qh5 10. e3 Qxd1
1961 Reggio Emilia ITA – Round 10 – Romani, Elio – 1/2-1/2 – Marthaler, Otto – G17 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. b3 Bg7 6. Bb2 O-O 7. Nbd2 d5 8. O-O Nbd7 9. e3 e6 10. c4 dxc4
1963 Beverwijk – Round 1 – Kramer, George – 1/2-1/2 – Kuijpers, Frans – G8 1. d4 Nf6 2. Nf3 g6 3. g3 c5 4. Bg2 Bg7 5. O-O O-O 6. c3 d6 7. dxc5 dxc5 8. Be3 Nbd7 9. h3 e6 10. Qc1 Qe7
1967 FRA Ch Dieppe FRA – Round 5 – Ferry, Roger – 1/2-1/2 – Albazi Hanna, Kamil Nicolas – G14 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. O-O Bg7 6. Nbd2 O-O 7. Re1 d5 8. Ne5 Nbd7 9. Ndf3 c5 10. c3 Rc8
1968 URS Team Ch – Round 1 – Peterson, William – 0-1 – Smyslov, Vladimir – G87 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. O-O c5 6. c4 cxd4 7. Qxd4 Nc6 8. Qh4 h6 9. Nc3 Bg7 10. Nd5 Rc8
1968 Wijk aan Zee II – Round 14 – Doda, Zbigniew – 1-0 – Medina-Garcia, Antonio – G54 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. c4 Bb7 5. Bg2 Bg7 6. O-O O-O 7. d5 d6 8. Nc3 e5 9. dxe6 fxe6 10. Bh3 Qe7
2026 Tata Steel Chess Masters - Round 8.4 - Keymer, Vincent - 1/2-1/2 - Sindarov, Javokhir - G53 1. d4 Nf6 2. Nf3 g6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 Bg7 6. c4 Nc6 7. Nc3 h5 8. O-O h4 9. Bf4 hxg3 10. hxg3 Nh5
40. Olympiad Open 2012 – Round 6.56 – Al-Zendani, Zendan – 0-1 – Iturrizaga Bonelli, Eduardo – G383 1. d4 Nf6 2. Nf3 g6 3. g3 c5 4. dxc5 Qa5+ 5. Qd2 Qxc5 6. Qc3 Na6 7. Qxc5 Nxc5 8. Be3 d6 9. Nc3 Bg7 10. Bg2 O-O
42. Olympiad 2016 – Round 1.20 – Mahmood Lodhi – 1/2-1/2 – Kovalenko, Igor – G30 1. d4 Nf6 2. Nf3 g6 3. g3 c5 4. Bg2 Bg7 5. O-O cxd4 6. Nxd4 O-O 7. c4 Qc7 8. b3 Nc6 9. Bb2 d6 10. Nc3 Bd7
42. Olympiad 2016 – Round 1.6 – Ismael, Namir Mohammed Ismael – 0-1 – Wojtaszek, Radoslaw – G61 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. c4 Bg7 6. O-O O-O 7. Nc3 Ne4 8. Nxe4 Bxe4 9. b3 c5 10. Bb2 Nc6
SportAccord Blitz Men 2012 – Round 8.1 – Ivanchuk, Vasyl – 0-1 – Morozevich, Alexander – G55 1. d4 Nf6 2. Nf3 g6 3. g3 c5 4. Bg2 Qa5+ 5. Nc3 cxd4 6. Nxd4 Bg7 7. Nb3 Qc7 8. Bg5 h6 9. Bxf6 Bxf6 10. Nd5 Qd6
World Blitz 2021 – Round 20.21 – Matlakov, Maxim – 1-0 – Harsha Bharathakoti – G1158 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. c4 Bg7 6. O-O O-O 7. d5 b5 8. Qb3 a6 9. a4 Qc8 10. axb5 axb5
World Blitz 2023 – Round 16.17 – Aravindh, Chithambaram VR. – 1/2-1/2 – Sindarov, Javokhir – G906 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. O-O Bg7 6. c4 O-O 7. Re1 d6 8. d5 Nbd7 9. Nc3 Nc5 10. e4 e6
World Rapid 2021 – Round 13.47 – Halkias, Stelios – 1/2-1/2 – Sindarov, Javokhir – G776 1. Nf3 g6 2. d4 Nf6 3. g3 c5 4. c3 Bg7 5. Bg2 O-O 6. O-O d6 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Na3 Bf5 10. Be3 Nbd7

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