A49c — Neo-King’s Indian: Fianchetto System

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 * ● 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 : Bg7 enfermé, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bg2 enfermé, 4 pièces non développées (B1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● 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, Bg2 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bg7 enfermé, Bc8 enfermé, 4 pièces non développées (B8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A49c — Fianchetto System

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2

Eval: [+0.17]

Les coups candidats

4…O-O — 78.0% (29775 parties) →

Ambassadeurs : Romanishin, Oleg M (157x), Kurajica, Bojan (156x), Dornbusch, Tatiana (58x), Eckhardt, Claudia (50x), Konopka, Michal (49x), Pert, Nicholas (49x), Csulits, Anton (41x), Jirovsky, Pavel (41x)

4…d5 — 9.5% (3624 parties) →

Ambassadeurs : Nikolic, Predrag (43x), Romanishin, Oleg M (41x), Mudrak, Josef (19x), Ruck, Robert (18x), Kozul, Zdenko (17x), Dreev, Aleksey (16x), Kurajica, Bojan (15x), Konopka, Michal (14x)

4…d6 — 8.2% (3142 parties)

Ambassadeurs : Matnadze Bujiashvili, Ann (12x), Eckhardt, Claudia (11x), Borriss, Claudia (10x), Macek, Vlasta (9x), Romanishin, Oleg M (7x), Cosma, Elena-Luminita (6x), Lanni, Vincenzo (5x), Dornbusch, Tatiana (5x)

4…c5 — 3.4% (1281 parties)

Ambassadeurs : Lagno, Kateryna (7x), Dreev, Aleksey (5x), Eckhardt, Claudia (4x), Hager, Joshua Aarash (4x), Henriksson, Johan 2011 (4x), Horvath, Csaba (4x), Barseghyan, Armen Ar. (4x), Luong Phuong Hanh (4x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…O-O	4…d5	4…d6	4…c5
<1800	968	69%	11%	16%	2%
1800-2200	13754	76%	9%	11%	3%
2200-2600	17152	82%	9%	5%	4%
2600+	548	66%	29%	1%	4%

Évolution par décennie (% des parties)

Décennie	N parties	4…O-O	4…d5	4…d6	4…c5
1870s	1	100%	—	—	—
1920s	26	73%	8%	15%	—
1930s	59	71%	12%	8%	3%
1940s	87	75%	15%	5%	3%
1950s	427	87%	5%	5%	1%
1960s	561	84%	4%	6%	6%
1970s	748	83%	6%	7%	3%
1980s	1578	85%	6%	5%	3%
1990s	7463	81%	8%	8%	3%
2000s	9932	77%	10%	9%	3%
2010s	13752	76%	11%	8%	4%
2020s	3515	77%	11%	7%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…O-O	76%	77%	▲ +0.8%
4…d5	11%	11%	-0.3%
4…d6	8%	7%	▼ -1.3%
4…c5	4%	5%	▲ +1.0%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 10 parties
Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Ju, Wenjun — 10 parties
Carlsen, Magnus — 8 parties
Tal, Mikhail — 7 parties
Gukesh D — 7 parties
Karpov, Aleksandr — 6 parties
Ding, Liren — 6 parties
Anand, Viswanathan — 5 parties
Euwe, Max — 4 parties
Alekhine, Alexander — 1 partie
Steinitz, Wilhelm — 1 partie

Parties historiques

4…O-O — 78.0% (29775 parties)

1871 — Jankovec, Ivan vs Liebert, Heinz — 1-0 — Havirov CZE
1922 — Norman, George vs Conde, Adrian G — 1-0 — Hastings ENG
1922 — Johner, Paul vs Reti, Richard — 1-0 — Teplitz-Schoenau GER
1923 — Norman, George vs Garcia Conde, Adrian — 1-0 — Hastings Town Hall
1923 — Selezniev, Alexey vs Euwe, Max — 1-0 — Maehrisch Ostrau

4…d5 — 9.5% (3624 parties)

1922 — Przepiorka, Dawid vs Gruenfeld, Ernst — 1/2-1/2 — Bad Pistyan CZE
1924 — Pahl, Kurt vs Wegemund, Otto — 1/2-1/2 — Eisenach
1931 — De Witt, Rodolfo vs Acero Falcon, Lucas Esteban — 0-1 — Buenos Aires ARG
1933 — De Jong, Theodoor vs Illingworth, Leonard — 1-0 — Hastings, White Rock Pavilion
1936 — Araya Lagos, Jorge Eduardo vs Matrangolo, C. — 0-1 — Argentina

4…d6 — 8.2% (3142 parties)

1922 — Wahltuch, Victor vs Maroczy, Geza — 1/2-1/2 — London ENG
1925 — Przepiorka, Dawid vs Bellod Thomas, Gonzalo — 1-0 — Marienbad CZE
1925 — Przepiorka, Dawid vs Yates, Frederic D — 0-1 — Marienbad CZE
1928 — Cheron, Andre vs Golmayo Torriente, Manuel — 1/2-1/2 — The Hague NED
1930 — Sayers, James vs Watson, Charles — 0-1 — Melbourne AUS

4…c5 — 3.4% (1281 parties)

1933 — Ahues, Carl vs Richter, Kurt P — 1/2-1/2 — Bad Aachen GER
1935 — Runza, V vs Opocensky, Karel — 0-1 — Praag ch
1942 — Nielsen, Bjorn vs Poulsen, Christian — 1-0 — Norresundby ch DK
1943 — Steiner, Herman vs Barzin, Alborz — 1-0 — So Califoenia
1947 — Machate, Gottlieb vs Eisinger, Max Jr — 0-1 — Riedenburg

	♔ 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)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (b1, c1, a1, h1)	4 (b8, c8, 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
1922 London BCF Congress – Round 5 – Wahltuch, Victor – 1/2-1/2 – Maroczy, Geza – G8 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. c3 O-O 6. O-O Nbd7 7. Nbd2 h6 8. e4 e5 9. Re1 b6 10. Nh4 Rb8
1925 Marienbad – Round 14 – Przepiorka, Dawid – 0-1 – Yates, Frederic D – G93 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. O-O Nc6 6. b3 O-O 7. Bb2 Nd7 8. e4 e5 9. dxe5 Ndxe5 10. Nxe5 Nxe5
1928 World Championship Amateur – Round 8 – Cheron, Andre – 1/2-1/2 – Golmayo Torriente, Manuel – G23 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. c4 c6 6. O-O Bd7 7. Nc3 Qc7 8. b3 O-O 9. Bb2 e5 10. Rc1 Bg4
1947 AUS Ch – Round 7.1 – Steiner, Lajos – 1-0 – Crowl, Frank Arthur – G4 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. O-O Nc6 6. b3 e5 7. dxe5 Ng4 8. Bb2 Ngxe5 9. Nxe5 Nxe5 10. Kh1 Bf6
1947 Hilversum zt – Round 1 – Plater, Kazimierz – 1-0 – O'Sullivan, Bartholomew – G11 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c6 5. O-O d5 6. b3 O-O 7. Bb2 Nbd7 8. c4 Ne4 9. Nbd2 Ndf6 10. Ne5 Nxd2
1952 Budapest – Round 5 – Sliwa, Bogdan – 0-1 – Keres, Paul – G50 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. d5 b5 6. O-O Bb7 7. Ne1 O-O 8. a4 a6 9. axb5 axb5 10. Rxa8 Bxa8
1953 Bariloche – Round 1 – Shocron, Ruben – 1-0 – Wexler, Francisco – G16 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. d5 d6 6. Nc3 b5 7. Nxb5 Qa5+ 8. Nc3 Ne4 9. O-O Nxc3 10. bxc3 Bxc3
1955 Ljubljana – Round 5 – Gabrovsek Zdravko – 1/2-1/2 – Milic, Borislav – G44 1. Nf3 g6 2. g3 Bg7 3. d4 Nf6 4. Bg2 b6 5. O-O Bb7 6. c4 O-O 7. Qc2 c5 8. d5 d6 9. Nc3 Nbd7 10. e4 a6
1955 Mar del Plata – Round 3 – Flores Alvarez, Rodrigo – 1/2-1/2 – De Greif, Boris – G19 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. O-O O-O 6. c4 Nc6 7. d5 Na5 8. Qd3 d6 9. Nfd2 a6 10. Nc3 Rb8
1957 Hastings5758 – Round 1 – Fazekas, Stephan – 0-1 – Keres, Paul – G32 1. Nf3 g6 2. d4 Nf6 3. g3 Bg7 4. Bg2 c5 5. d5 e6 6. Nc3 O-O 7. O-O d6 8. Nd2 Nbd7 9. dxe6 fxe6 10. e4 Ne8
1961 Baku ch-URS – Round 13 – Lein, Anatoly – 1/2-1/2 – Shamkovich, Leonid – G120 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. O-O O-O 6. Nc3 cxd4 7. Qxd4 Nc6 8. Qh4 d6 9. Bh6 Qb6 10. Rab1 Bxh6
1962 Candidats Tournament – Round 26 – Korchnoi, Viktor – 1/2-1/2 – Fischer, Robert J – G94 1. g3 g6 2. Nf3 Nf6 3. Bg2 Bg7 4. d4 c5 5. d5 d6 6. c4 b5 7. cxb5 Qa5+ 8. Nfd2 Qxb5 9. O-O O-O 10. Na3 Qa6
1962 Varna ol (Men) fin-C – Round 1 – Neu, Aloyse – 0-1 – Zwaig, Arne – G4 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 c5 5. c3 Na6 6. O-O O-O 7. Nbd2 d5 8. Re1 b6 9. e4 Nxe4 10. Nxe4 dxe4
1963 FRG Ch 07th – Round 2 – Pfleger, Helmut, Dr. – 1/2-1/2 – Besser, Hans – G3 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c6 5. O-O O-O 6. Re1 d5 7. Nc3 Ne4 8. Nxe4 dxe4 9. Ne5 Bf5 10. g4 Bxe5
1964 Amsterdam Interzonal – Round 12 – Berger, Benedikt – 0-1 – Tal, Mikhail – G121 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 c5 5. d5 b5 6. d6 Bb7 7. O-O O-O 8. Nc3 exd6 9. Nxb5 d5 10. Bf4 a6
1964 EU Team Ch sf – Round 2.4 – Lengyel, Levente – 1-0 – Popov, Luben – G24 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 c5 5. d5 d6 6. O-O O-O 7. c4 Na6 8. Nc3 Nc7 9. a4 e5 10. e4 Nd7
1964 Rubinstein Memorial – Round 1 – Doda, Zbigniew – 0-1 – Velimirovic, Dragoljub – G8 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 c5 5. d5 O-O 6. O-O d6 7. Nc3 e5 8. e4 b5 9. Re1 a6 10. a4 b4
1966 La Habana olm prel – Round 5 – Bouaziz, Nejib – 0-1 – Prins, Lodewijk – G82 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. dxc5 Na6 6. O-O Nxc5 7. Nc3 b6 8. Rb1 Bb7 9. Bf4 O-O 10. h3 a6
1969 YUG Ch 24th – Round 12 – Cvetkovic, Srdjan – 1-0 – Bertok, Mario Jr. – G41 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. d5 d6 6. O-O b5 7. a4 b4 8. Re1 O-O 9. e4 a5 10. c4 Nfd7
43. Olympiad 2018 – Round 5.24 – Berkes, Ferenc – 1-0 – Mikkelsen, Nikolaj – G325 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. dxc5 Qa5+ 6. Nfd2 Qxc5 7. Nb3 Qc7 8. O-O O-O 9. Nc3 d6 10. a4 a6
Amber-rapid 5th 1996 – Round 1 – Nikolic, Predrag – 0-1 – Anand, Viswanathan – G3 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. d5 O-O 6. c4 d6 7. O-O b5 8. cxb5 a6 9. bxa6 Bf5 10. Nc3 Ne4
Lindores Abbey Tal Memorial 2021 – Round 9.41 – Saduakassova, Dinara – 0-1 – Saric, Ivan – G414 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. c4 O-O 6. Nc3 cxd4 7. Nxd4 Qc7 8. b3 d5 9. Ndb5 Qa5 10. Bd2 dxc4
Vugar Gashimov Mem 2014 – Round 10.2 – Carlsen, Magnus – 1-0 – Caruana, Fabiano – G29 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. c3 d5 6. dxc5 O-O 7. O-O a5 8. Be3 Nc6 9. Na3 a4 10. Qc1 e5
World Blitz 2018 – Round 11.52 – Mikhalevski, Victor – 1-0 – Zvjaginsev, Vadim – G671 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. c3 cxd4 6. cxd4 O-O 7. Nc3 d6 8. O-O Nc6 9. d5 Na5 10. Nd4 Bd7
World Blitz 2018 – Round 9.48 – Fridman, Daniel – 1/2-1/2 – Zvjaginsev, Vadim – G549 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. c4 cxd4 6. Nxd4 h5 7. h3 O-O 8. Nc3 Nc6 9. O-O d6 10. e3 Bd7
World Blitz 2023 – Round 14.26 – Fressinet, Laurent – 0-1 – Muradli, Mahammad – G801 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. O-O cxd4 6. Nxd4 h5 7. h3 Nc6 8. c4 O-O 9. Nc3 d6 10. Nc2 Be6
World Rapid 2019 – Round 6.62 – Bosiocic, Marin – 0-1 – Makarian, Rudik – G414 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. dxc5 Qa5+ 6. c3 Qxc5 7. O-O O-O 8. Na3 a6 9. Be3 Qc7 10. Qb3 b5

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