Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● d4, ● d7
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● d7→e6, f7→e6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● c1, ● 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	mobile
Ruptures	● c2-c3, ● e2-e3	● …d4-d3

A46o — Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2 cxd4

1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2 cxd4 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nxd4 (Cavalier centralisé en d4 — 58 % des parties) ; O-O (Mettre le roi en sécurité, connecter les tours — 42 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...d5 (Occuper le centre — 45 % des parties) ; ...a6 (Préparer expansion aile dame — 19 % des parties) ; ...Nc6 (Développer b8 — 17 % des parties) ; ...Be7 (Fou actif (mobilité 5), Développer f8 — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1953 DDR Ch 04th – Round 5 – Elstner, Rudolf – 0-1 – Mueller, Klaus – G6 1. d4 Nf6 2. g3 e6 3. Bg2 c5 4. Nf3 cxd4 5. O-O d5 6. Nxd4 Be7 7. c4 O-O 8. cxd5 Nxd5 9. e4 Nb4 10. Nc3 N8c6
1958 HUN Ch 14th – Round 17 – Sandor, Bela – 1/2-1/2 – Dely, Peter – G41 1. d4 e6 2. Nf3 Nf6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. Bf4 Nbd7 7. Nf3 Qb6 8. O-O Bc5 9. Nc3 Ne4 10. Nxe4 dxe4
1961 Budapest ch-HUN – Round 1 – Navarovszky, Laszlo – 1/2-1/2 – Dely, Peter – G52 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. O-O Be7 6. Nxd4 d5 7. c4 O-O 8. cxd5 Nxd5 9. Nd2 Bf6 10. Ne4 Bxd4
1963 Enschede zt – Round 12 – Van Scheltinga, Theo – 0-1 – Lengyel, Laszlo – G59 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. O-O Be7 7. c4 O-O 8. cxd5 Nxd5 9. e4 Nb6 10. Nc3 Bf6
1966 Rzeszow ch POL – Round 11 – Balcerowski, Witold – 0-1 – Filipowicz, Andrzej – G73 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 Nc6 6. O-O Be7 7. c4 O-O 8. Nc3 a6 9. a3 Qc7 10. b3 d6
1969 Schwerin – Round 1 – Schoeneberg, Manfred – 1/2-1/2 – Neukirch, Detlef – G16 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. O-O Be7 7. c4 O-O 8. Qc2 Nc6 9. Nxc6 bxc6 10. b3 Ba6
20. European Teams 2015 – Round 5.10 – Aronian, Levon – 1-0 – Vocaturo, Daniele – G197 1. d4 e6 2. Nf3 c5 3. g3 Nf6 4. Bg2 cxd4 5. O-O d5 6. Nxd4 e5 7. Nf3 Nc6 8. c4 d4 9. e3 Be7 10. exd4 exd4
7. Norway Chess 2019 – Round 3.3 – Ding, Liren – 1-0 – Caruana, Fabiano – G12 1. d4 Nf6 2. g3 e6 3. Bg2 c5 4. Nf3 cxd4 5. O-O Qc7 6. Nxd4 a6 7. b3 d5 8. c4 dxc4 9. Bb2 cxb3 10. Qxb3 Nc6
Amber Rapidplay 1999 – Round 5 – Lautier, Joel – 1/2-1/2 – Ivanchuk, Vasyl – G29 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. O-O a6 6. Nxd4 Qc7 7. e4 Bc5 8. c4 d6 9. Nc3 O-O 10. Nb3 Ba7
Amber-blind 3rd 1994 – Round 9 – Seirawan, Yasser – 1-0 – Korchnoi, Viktor – G40 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. O-O e5 7. Nb3 Nc6 8. Bg5 Be6 9. Nc3 d4 10. Ne4 Be7
Corus A 2005 – Round 8 – Morozevich, Alexander – 1-0 – Polgar, Judit – G48 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. O-O e5 7. Nb3 Be6 8. Bg5 Nbd7 9. Nc3 h6 10. Bxf6 Nxf6
GCT Blitz Paris 2016 – Round 13.4 – Aronian, Levon – 1-0 – Carlsen, Magnus – G64 1. d4 e6 2. Nf3 c5 3. g3 Nf6 4. Bg2 cxd4 5. O-O Nc6 6. Nxd4 Bc5 7. Nb3 Be7 8. c4 O-O 9. Nc3 b6 10. Bf4 Bb7
Saint Louis Blitz 2017 – Round 2.5 – Aronian, Levon – 1/2-1/2 – Navara, David – G10 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. O-O d5 6. b3 Bc5 7. Bb2 O-O 8. Nxd4 e5 9. Nf3 e4 10. Nd4 Nc6
Tata Steel India Blitz 2018 – Round 3.5 – Aronian, Levon – 1/2-1/2 – Nakamura, Hikaru – G15 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. O-O d5 6. Nxd4 e5 7. Nb3 Be7 8. Qd3 Nc6 9. Rd1 Be6 10. Bg5 e4
TCh-RUS 2005 – Round 4 – Malakhov, Valentyn – 1/2-1/2 – Alekseev, Evgeny – G63 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. O-O a6 6. Nxd4 Qc7 7. Nb3 d6 8. a4 Be7 9. a5 O-O 10. Nc3 Nbd7
Thessaloniki olm 1988 – Round 6 – Andersson, Ulf 1949 – 1/2-1/2 – Ribli, Zoltan – G52 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 a6 6. O-O Qc7 7. Nb3 Be7 8. Bf4 d6 9. c4 Nbd7 10. Na3 Nh5
World Blitz 2017 – Round 18.49 – Sargissian, Gabriel – 0-1 – Halkias, Stelios – G958 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. O-O e5 7. Nb3 Be6 8. Bg5 Nbd7 9. Nc3 Be7 10. f4 exf4
World Blitz 2017 – Round 2.44 – Adly, Ahmed – 1-0 – Dobrov, Vladimir – G99 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. O-O Nc6 6. Nxd4 Qb6 7. Nb3 Ne5 8. Nc3 a6 9. e4 d6 10. Qe2 Be7
World Blitz 2017 – Round 4.36 – Adly, Ahmed – 1/2-1/2 – Halkias, Stelios – G202 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. O-O d5 6. Nxd4 e5 7. Nb3 Be6 8. c4 Nc6 9. cxd5 Nxd5 10. Bd2 Be7

A46o — Indian (1953)

1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2 cxd4

Les coups candidats

5.Nxd4 — 61.9% (1185 parties)

Ambassadeurs : Romanishin, Oleg M (18x), Huebner, Robert (6x), Sorri, Kari Juhani (5x), Deforel, Jorge Eduardo (5x), Cosma, Elena-Luminita (5x), Christiansen, Larry (4x), Sax, Gyula (4x), Javakhishvili, Lela (4x)

5.O-O — 37.8% (723 parties)

Ambassadeurs : Speelman, Jon S (9x), Burmakin, Vladimir (9x), Romanishin, Oleg M (6x), Csom, Istvan (5x), Navara, David (5x), Konopka, Michal (4x), Arias Hernandez, Scarlett Terry (4x), Cosma, Ioan (3x)

5.Qxd4 — 0.3% (6 parties)

Ambassadeurs : Mamedjarova, Zeinab (1x), Maric, Alisa (1x), Wuensch, Ulrich (1x), Rosen, Willy (1x), Acs, Marton (1x), Drakoulakos, Grigorios (1x), Pujari, Rucha (1x), Mokal, Amruta Sunil (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Nxd4	5.O-O	5.Qxd4
<1800	62	81%	19%	—
1800-2200	644	67%	32%	1%
2200-2600	1073	58%	42%	0%
2600+	40	35%	65%	—

Évolution par décennie (% des parties)

Décennie	N parties	5.Nxd4	5.O-O	5.Qxd4
1950s	5	60%	40%	—
1960s	11	55%	45%	—
1970s	13	77%	23%	—
1980s	95	55%	45%	—
1990s	248	58%	42%	—
2000s	444	66%	34%	0%
2010s	723	66%	34%	1%
2020s	375	54%	46%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Nxd4	66%	54%	▼ -11.4%
5.O-O	34%	46%	▲ +11.7%
5.Qxd4	1%	0%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Hou, Yifan — 3 parties
Smyslov, Vladimir — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

5.Nxd4 — 61.9% (1185 parties)

1958 — Sandor, Bela vs Dely, Peter — 1/2-1/2 — Budapest HUN
1959 — Cruz, Raul C. vs Emma, Jaime — 1/2-1/2 — Quilmes
1959 — Bondarevsky, Igor vs Dely, Isaline — 0-1 — Leningrad RUS
1963 — Tavares da Silva, Luiz vs Pinto Paiva, Jose — 0-1 — Recife
1963 — Bosch van Rosenthal, Edzard vs Lengyel, Laszlo — 0-1 — Enschede NED

5.O-O — 37.8% (723 parties)

1953 — Elstner, Rudolf vs Mueller, Klaus — 0-1 — Jena GER
1957 — Klaman, Konstantin Mikhailovich vs Zhukhovitsky, Samuel — 1/2-1/2 — Leningrad RUS
1960 — Castagna, Rino vs Dely, Peter — 0-1 — Reggio Emilia ITA
1960 — Bak, Istvan vs Kozma, Julius — 1-0 — Leipzig GER
1961 — Navarovszky, Laszlo vs Dely, Peter — 1/2-1/2 — Budapest ch-HUN

5.Qxd4 — 0.3% (6 parties)

2001 — Mamedjarova, Zeinab vs Maric, Alisa — 1/2-1/2 — EuTChw Leon ESP
2011 — Pujari, Rucha vs Mokal, Amruta Sunil — 1/2-1/2 — Bhubaneswar IND
2012 — Wuensch, Ulrich vs Rosen, Willy — 0-1 — Dresden GER
2014 — Acs, Marton vs Drakoulakos, Grigorios — 0-1 — Gyor HUN
2016 — Schnoewitz, Brigitte vs Roberts, Anthony J — 0-1 — LSS

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