A48k — Neo-King’s Indian: London System

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 O-O 5.Be2 * ● 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 e5, case forte g5, Be2 actif, Bf4 actif, paire de fous.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé.
Problèmes : roi au centre, 3 pièces non développées (B1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nbd2 — Développer Nb1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : roi blanc au centre.
Problèmes : Bg7 enfermé, Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A48k — London System

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 O-O 5.Be2

Eval: [+0.22]

Les coups candidats

5…d6 — 71.9% (3934 parties) →

Ambassadeurs : Lenz, Juergen (28x), Glienke, Manfred, Dr. (28x), Pakleza, Zbigniew (17x), Nguyen Thi Mai Hung (15x), Burmakin, Vladimir (15x), Abel, Lajos (13x), Grachev, Boris (12x), Payen, Arnaud (11x)

5…c5 — 16.1% (879 parties)

Ambassadeurs : Pakleza, Zbigniew (16x), Glienke, Manfred, Dr. (10x), Prie, Eric (9x), Andrianov, Nikolai (8x), Levacic, Damir (6x), Burmakin, Vladimir (6x), Dreev, Aleksey (5x), Lenz, Juergen (4x)

5…d5 — 7.7% (424 parties)

Ambassadeurs : Lenz, Juergen (6x), Atanasov, Anthony (4x), Abel, Lajos (4x), Kouatly, Bachar (3x), Schinis, Marios (3x), Milesi, Laurent (3x), Py, Jean (3x), Payen, Arnaud (3x)

5…b6 — 3.5% (193 parties)

Ambassadeurs : Cherepanova, Evita (3x), Potapova, Margarita (3x), Liebert, Heinz (2x), Vogt, Lothar (2x), Levacic, Damir (2x), Dreev, Aleksey (2x), Pakleza, Zbigniew (2x), Ovod, Evgenija (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…d6	5…c5	5…d5	5…b6
<1800	257	75%	7%	15%	3%
1800-2200	2260	73%	14%	9%	3%
2200-2600	2270	70%	21%	6%	4%
2600+	73	60%	25%	4%	11%

Évolution par décennie (% des parties)

Décennie	N parties	5…d6	5…c5	5…d5	5…b6
1940s	1	100%	—	—	—
1950s	11	45%	55%	—	—
1960s	10	80%	20%	—	—
1970s	46	67%	17%	7%	9%
1980s	202	63%	22%	9%	5%
1990s	711	69%	18%	8%	4%
2000s	1136	73%	15%	9%	3%
2010s	2810	72%	16%	8%	3%
2020s	546	75%	15%	6%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…d6	72%	75%	▲ +3.1%
5…c5	16%	15%	▼ -0.6%
5…d5	8%	6%	▼ -2.0%
5…b6	3%	3%	+0.1%

Joueurs célèbres

Champions du monde dans cette position

Carlsen, Magnus — 4 parties
Kasparov, Garry — 2 parties
Ju, Wenjun — 2 parties
Anand, Viswanathan — 1 partie
Karpov, Anatoly — 1 partie
Ding, Liren — 1 partie

Parties historiques

5…d6 — 71.9% (3934 parties)

1949 — Fridstein, German vs Panov, Vasily — 1/2-1/2 — Moscow RUS
1952 — Bauza, Lorenzo vs Bolbochan, Julio — 0-1 — Rio de Janeiro BRA
1952 — Bauza, Lorenzo vs Rabar, Braslav — 0-1 — Rio de Janeiro BRA
1954 — Bauza, Lorenzo vs Corral, Hector — 1/2-1/2 — Montevideo URU
1954 — Bauza Fernandez, Lucia Valentina vs De Carvalho Machado, Fernando — 1/2-1/2 — Montevideo URU

5…c5 — 16.1% (879 parties)

1950 — Pavlov, Mircea-Sergiu-Aurelian vs Geller, Efim P. — 1-0 — Kiev UKR
1951 — Bauza, Lorenzo vs Toran Albero, Roman — 1/2-1/2 — San Rafael
1951 — Bauza, Lorenzo vs Reinhardt, Enrique — 1-0 — Mar del Plata ARG
1954 — Guimard, Carlos E vs Jauregui, Carlos — 1-0 — Mar del Plata ARG
1956 — Bolbochan, J. vs Najdorf, Rafael — 1/2-1/2 — Mar del Plata ARG

5…d5 — 7.7% (424 parties)

1972 — Kulur Coskun vs Sutton, Richard J — 1/2-1/2 — Skopje MKD
1972 — Travers, Roy B. vs Hill, Ken — 1/2-1/2 — Melbourne AUS
1979 — Rodgaard, John vs Beckemeyer, Werner — 1/2-1/2 — Muerren
1980 — Travers, Roy B. vs Edgar Hamilton Da Silva, Domingos — 0-1 — Adelaide ch-Australia
1981 — Campos Ortega, Serge vs De Jonghe, Bruno — 1/2-1/2 — Sint-Niklaas

5…b6 — 3.5% (193 parties)

1974 — Liebert, Heinz vs Vogt, Lothar — 1/2-1/2 — Halle GER
1974 — Liebert, Heinz vs Vogt, Lothar — 1/2-1/2 — Halle GER
1978 — Rytov, Boris vs Bronstein, David I — 0-1 — Daugavpils LAT
1979 — Macdonald-Ross, Michael vs Chandler, Murray G — 0-1 — Brighton ENG
1982 — Mokry, Karel vs Ftacnik, Lubomir — 1/2-1/2 — Frenstat

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (3v0), ● e5 (3v0), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (3v0), ● e5 (3v0)	● d5 (1v0), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Actif (mob. 5)
Bf4	● Bf4 Actif (mob. 6)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, a1, h1)	3 (b8, c8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c2-c3, ● d4-d5, ● e3-e4	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1950 URS Ch sf – Round 6 – Pavlov, Mircea-Sergiu-Aurelian – 1-0 – Geller, Efim P – G12 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 c5 6. c3 b6 7. Nbd2 Bb7 8. O-O d6 9. h3 Nbd7 10. Bh2 Qc7
1951 Mar del Plata zt – Round 11 – Bauza, Lorenzo – 1-0 – Reinhardt, Enrique – G112 1. Nf3 Nf6 2. d4 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 c5 6. c3 b6 7. Nbd2 Bb7 8. O-O d6 9. h3 Qc7 10. Rc1 Nbd7
1951 San Rafael – Round ? – Bauza, Lorenzo – 1/2-1/2 – Toran Albero, Roman – G29 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 c5 6. c3 Qb6 7. Qb3 Qxb3 8. axb3 cxd4 9. exd4 Nc6 10. O-O d6
1954 Mar del Plata – Round 9 – Guimard, Carlos E – 1-0 – Jauregui, Carlos – G74 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 c5 6. O-O d6 7. h3 Nc6 8. c3 Qb6 9. Nbd2 Be6 10. Qb1 Nd5
1956 Mar del Plata ARG – Round 14 – Bolbochan, J. – 1/2-1/2 – Najdorf, Rafael – G14 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 c5 6. c3 b6 7. O-O Bb7 8. h3 d6 9. Nbd2 Nc6 10. Bh2 Rc8
1966 Tbilisi ch-URS – Round 12 – Taimanov, Mark E – 1-0 – Doroshkievich, Vladimir K – G106 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 c5 6. O-O b6 7. a4 d6 8. Na3 Nc6 9. h3 Bb7 10. c3 Rc8
1975 URS Team Ch – Round 4 – Rytov, Boris – 0-1 – Dzyuban, Oleg – G215 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 c5 6. c3 b6 7. O-O Bb7 8. Nbd2 Nc6 9. h3 Re8 10. Bh2 d6
34. ECC Open 2018 – Round 3.4 – Agrest, Evgenij – 1/2-1/2 – Efimenko, Zahar – G97 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 O-O 5. Be2 c5 6. O-O d5 7. c3 Nc6 8. Ne5 Bf5 9. Qb3 Nd7 10. Nxd7 Qxd7
41. Olympiad Open 2014 – Round 3.15 – Anton Guijarro, David – 1/2-1/2 – Cheparinov, Ivan – G195 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 c5 6. O-O Qb6 7. Nc3 d6 8. Qd2 Bf5 9. Bd3 Bg4 10. dxc5 Qxc5
FIDE World Cup 2015 – Round 2.7 – Vovk, Yuri – 0-1 – Wei, Yi – G308 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 b6 6. h3 Bb7 7. O-O d6 8. c3 Nbd7 9. Nbd2 Qe8 10. a4 a6
GCT Blitz YourNextMove 2018 – Round 18.4 – Caruana, Fabiano – 1-0 – Aronian, Levon – G89 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 O-O 5. Be2 c5 6. c3 b6 7. O-O Bb7 8. Nbd2 d6 9. h3 Na6 10. Bh2 Nc7
GCT Blitz YourNextMove 2018 – Round 6.1 – Grischuk, Alexander – 1-0 – Aronian, Levon – G26 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 O-O 5. Be2 c5 6. O-O b6 7. d5 d6 8. Nc3 Na6 9. e4 Nc7 10. a4 Re8
Manila Interzonal 1990 – Round 1 – Kamsky, Gata – 1-0 – Ftacnik, Lubomir – G10 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 c5 6. c3 b6 7. h3 Bb7 8. Nbd2 d6 9. O-O Nc6 10. Bh2 cxd4
Saint Louis Blitz 2018 – Round 12.3 – Karjakin, Sergey – 0-1 – Grischuk, Alexander – G58 1. Nf3 Nf6 2. d4 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 c5 6. O-O d6 7. h3 b6 8. Nbd2 Bb7 9. c3 Nbd7 10. a4 a6
Tal Memorial Blitz 2008 – Round 14 – Grachev, Boris – 1-0 – Mamedyarov, Shakhriyar – G110 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 b6 6. h3 Bb7 7. O-O c5 8. c3 d6 9. Nbd2 Nbd7 10. Bh2 Re8
World Blitz 2016 – Round 11.25 – Naiditsch, Arkadij – 1/2-1/2 – Aditya Tari – G440 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 c5 6. O-O d6 7. c3 Nh5 8. Bg5 h6 9. Bh4 g5 10. Nfd2 Nf6
World Blitz 2017 – Round 6.38 – Khismatullin, Denis – 1/2-1/2 – Mchedlishvili, Mikheil – G316 1. Nf3 g6 2. d4 Bg7 3. Bf4 Nf6 4. e3 O-O 5. Be2 d5 6. O-O c5 7. c3 b6 8. Nbd2 Bb7 9. b4 Nbd7 10. bxc5 bxc5
World Blitz 2019 – Round 8.87 – Galkin, Alexander – 0-1 – Makarian, Rudik – G588 1. Nf3 Nf6 2. d4 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 b6 6. c4 Bb7 7. Nc3 d5 8. O-O dxc4 9. Bxc4 Nbd7 10. Qe2 a6
World Blitz 2021 – Round 18.45 – Jumabayev, Rinat – 0-1 – Timofeev, Artyom – G1067 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 b6 6. O-O Bb7 7. c4 c5 8. Nc3 d6 9. d5 Nh5 10. Bg5 Nd7
World Blitz 2022 – Round 9.15 – Petrosyan, Manuel – 1/2-1/2 – Grischuk, Alexander – G456 1. d4 g6 2. Nf3 Bg7 3. Bf4 Nf6 4. e3 O-O 5. Be2 c5 6. O-O d6 7. Nbd2 Nh5 8. Bg5 h6 9. Bh4 g5 10. Ne1 gxh4
World Blitz 2023 – Round 7.7 – Petrosyan, Manuel – 0-1 – Riazantsev, Alexander – G428 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 O-O 5. Be2 b6 6. h3 Bb7 7. O-O c5 8. a4 a6 9. Nbd2 d5 10. c3 Nc6

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