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

Plan principal. Exploiter la case forte e5….

Atouts. Les Blancs s'appuient sur les cases fortes e5 et g5, des fous actifs en e2 et f4 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1 et les tours a1 et 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

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...c5 (Rupture) ; ...d5 (Rupture) ; ...e6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● 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 Mar del Plata zt – Round 17 – Bauza, Lorenzo – 1/2-1/2 – Pinzon Solis, Felipe – G166 1. d4 Nf6 2. Nf3 g6 3. Bf4 d6 4. e3 Bg7 5. Be2 O-O 6. O-O Nh5 7. Bg5 Nd7 8. c4 c5 9. Nc3 cxd4 10. exd4 Nhf6
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
1954 Montevideo – Round 6 – Bauza, Lorenzo – 1/2-1/2 – Corral, Hector – G60 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. O-O c6 7. c4 Nbd7 8. h3 Re8 9. Nc3 e5 10. dxe5 dxe5
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
1963 Bad Liebenstein – Round 8 – Balcerowski, Witold – 0-1 – Jansa, Vlastimil – G53 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. c4 Nbd7 7. Nc3 Nh5 8. Bg5 h6 9. Bh4 g5 10. Nd2 gxh4
1966 FRA Ch Grenoble FRA – Round 3 – Ferry, Roger – 1-0 – Huguet, Bernard – G8 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. O-O Nbd7 7. Nbd2 Re8 8. c3 e5 9. dxe5 dxe5 10. Bg5 e4
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
30. ECC Open 2014 – Round 4.6 – Cacho Reigadas, Sergio – 1/2-1/2 – Morozevich, Alexander – G92 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. Be2 O-O 6. O-O Nbd7 7. h3 b6 8. a4 a5 9. Nbd2 Bb7 10. c3 e6
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
41. Olympiad Open 2014 – Round 3.9 – Nguyen, Ngoc Truong Son – 1-0 – Gallagher, Joseph G. – G239 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2 O-O 6. O-O Nc6 7. h3 e5 8. Bh2 exd4 9. exd4 Re8 10. Nc3 Bf5
76. Tata Steel Masters 2014 – Round 7.6 – Naiditsch, Arkadij – 1/2-1/2 – Dominguez Perez, Leinier – G41 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. O-O b6 7. a4 a6 8. h3 Bb7 9. c3 Nbd7 10. Nbd2 e6
Amber Blindfold 2004 – Round 2 – Bareev, Evgeny – 0-1 – Svidler, Peter – G8 1. Nf3 Nf6 2. d4 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. O-O Nc6 7. h3 Nh5 8. Bh2 e5 9. dxe5 dxe5 10. Qxd8 Rxd8
Bugojno 1978 – Round 5 – Spassky, Boris V. – 1-0 – Bukic, Enver – G34 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. O-O Nbd7 7. h3 Qe8 8. c4 e5 9. Bh2 Qe7 10. Nc3 e4
Cap d'Agde 1994 – Round 7.2 – Karpov, Anatoly – 0-1 – Gelfand, Boris – G32 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. O-O c5 7. c3 Qb6 8. Nbd2 Be6 9. Ng5 Bd7 10. Nc4 Qc7
FIDE World Blitz Championship 2014 – Round 19.12 – Nguyen, Ngoc Truong Son – 1-0 – Wang, Hao(ZJWZ) – G181 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2 O-O 6. O-O Nbd7 7. h3 b6 8. a4 a6 9. c4 Bb7 10. Nc3 e6
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
FIDE World Rapid Championship 2014 – Round 15.11 – Nguyen, Ngoc Truong Son – 1/2-1/2 – Guseinov, Gadir – G87 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2 O-O 6. O-O Nbd7 7. h3 b6 8. a4 a6 9. Nbd2 Bb7 10. Re1 Re8
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
Saint Louis Rapid 2018 – Round 4.2 – Vachier-Lagrave, Maxime – 1-0 – Grischuk, Alexander – G17 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. O-O c5 7. c3 b6 8. h3 Bb7 9. Nbd2 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
Tallinn 1973 – Round 10 – Rytov, Boris – 1/2-1/2 – Polugaevsky, Lev – G45 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. O-O Nbd7 7. h3 Qe8 8. Bh2 e5 9. Na3 e4 10. Nd2 Qe7
Turin ol (Men) 37th 2006 – Round 5 – Gurevich, Mikhail – 1/2-1/2 – Ftacnik, Lubomir – G64 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2 O-O 6. O-O Nbd7 7. h3 b6 8. a4 a5 9. c3 Bb7 10. Nbd2 Ne4
World Blitz 2015 – Round 6.23 – Bauer, Christian – 1/2-1/2 – Hausrath, Daniel – G356 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. O-O c5 7. a4 cxd4 8. exd4 Nc6 9. c3 Bf5 10. Na3 Nd5
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 2016 – Round 18.15 – Khusnutdinov, Rafael – 0-1 – Nepomniachtchi, Ian – G705 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 O-O 5. Be2 d6 6. O-O Nh5 7. Bg5 h6 8. Bh4 f5 9. Nfd2 Nf6 10. c4 e5
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 2017 – Round 8.22 – Khismatullin, Denis – 0-1 – Petrosian, Tigran L. – G403 1. Nf3 g6 2. d4 Bg7 3. Bf4 d6 4. e3 Nf6 5. Be2 O-O 6. O-O Nh5 7. Bg5 h6 8. Bh4 Qe8 9. Nfd2 Nf6 10. c4 e5
World Blitz 2019 – Round 17.69 – Galkin, Alexander – 1-0 – Afanasiev, Nikita – G1176 1. Nf3 Nf6 2. d4 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. c4 Nc6 7. Nc3 Nd7 8. O-O e5 9. Bg3 f5 10. Bh4 Bf6
World Blitz 2019 – Round 21.81 – Galkin, Alexander – 1-0 – Gurvich, Vitaly – G1452 1. Nf3 Nf6 2. d4 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. c4 Nc6 7. Nc3 Bf5 8. O-O Ne4 9. Nxe4 Bxe4 10. Qb3 e5
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
Yerevan ol (Men) 1996 – Round 3 – Alvarez De Lima, Darcynae – 1/2-1/2 – Kozul, Zdenko – G31 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. O-O Nh5 7. Bg5 f5 8. Nbd2 h6 9. Bh4 Nd7 10. c3 Qe8

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

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