Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● a7→b6, c7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (3v0), ● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	4 (● c1, ● f1, ● 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	mobile
Ruptures	● c4-c5, ● d4-d5	● …c7-c5, ● …d7-d5, ● …e6-e5

E46c — Nimzo-Indian: Reshevsky Variation

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 b6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. a3 (Préparer expansion aile dame — 98 % des parties) ; Ng3 (1 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bxc3+ (Fou actif (mobilité 6) — 50 % des parties) ; ...Be7 (47 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1926 Semmering – Round 10 – Rubinstein, Akiba – 1-0 – Rosselli del Turco, Stefano – G110 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Bxc3+ 7. Nxc3 Bb7 8. f3 d5 9. Be2 Nbd7 10. O-O c5
1930 Hamburg ol (Men) – Round 6.2 – Landau, Salo – 1-0 – Duchamp, Marcel – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Be7 7. d5 e5 8. g3 d6 9. Bg2 Bf5 10. O-O Qc8
1930 Hamburg olm – Round 1 – Landau, Salo – 1-0 – Ribera Arnal, Angel – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Bxc3+ 7. Nxc3 Bb7 8. d5 d6 9. g3 Nbd7 10. Bg2 e5
1936 Moskou – Round ? – Eliskases, Erich – 1/2-1/2 – Lilienthal, Andor – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 O-O 6. a3 Be7 7. Nf4 Bb7 8. Be2 d6 9. Bf3 c6 10. O-O d5
1939 Leningrad/Moscow – Round 13 – Reshevsky, Samuel – 1-0 – Belavenets, Sergey – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Be7 7. d5 Bb7 8. g3 exd5 9. cxd5 c5 10. Bg2 d6
1945 Novi Sad – Round 14 – Milic, Borislav – 1-0 – Pirc, Vasja – G144 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Bxc3+ 7. Nxc3 Bb7 8. Bd3 d5 9. O-O Nbd7 10. b3 Re8
1945 Prague Prague CZE – Round 3 – Richter, Emil – 0-1 – Thelen, Bedrich – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Bxc3+ 7. Nxc3 Bb7 8. f3 d5 9. cxd5 Nxd5 10. Bd3 Qh4+
1946 Treybal Memorial – Round 8 – Kottnauer, Cenek – 1-0 – Zíta, František – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Be7 7. d5 d6 8. Ng3 Nbd7 9. Be2 a5 10. O-O Re8
1948 Moskou ch-URS – Round 19 – Lisitsin, Georgy – 1/2-1/2 – Bondarevsky, Igor – G157 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 O-O 6. a3 Bxc3+ 7. Nxc3 d5 8. Be2 Ba6 9. b3 Nbd7 10. Bb2 dxc4
1952 Havana – Round 12 – Evans, Larry M – 1-0 – Aguero Quesada, Gloriana – G103 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Be7 7. e4 d6 8. g3 e5 9. Bg2 Nc6 10. d5 Na5
1956 Montevideo – Round 1 – Najdorf, Miguel – 1-0 – Rossetto, Hector – G7 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 b6 5. Ne2 O-O 6. a3 Be7 7. Nf4 d5 8. cxd5 exd5 9. Bd3 Re8 10. h3 Bb7
1956 Moscow olm prel – Round 6 – Sliwa, Bogdan – 1-0 – Vestol, Aage – G187 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Bxc3+ 7. Nxc3 d5 8. Bd3 Bb7 9. cxd5 exd5 10. b4 Nbd7
1958 AUS Ch – Round 1.1 – Purdy, Cecil J S – 0-1 – Steiner, Lajos – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Be7 7. Ng3 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. e4 Qd7
1964 URS Team Ch – Round ? – Korchnoi, Viktor – 1-0 – Klaman, Konstantin Mikhailovich – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Be7 7. d5 Ba6 8. Ng3 Bd6 9. Bd3 Be5 10. Nce2 c6
1966 BRA-ch33 – Round 2 – Fonrobert, Gert Wolfgang – 1/2-1/2 – Mangini, Jose Henrique de Mello – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Bxc3+ 7. Nxc3 Bb7 8. Bd3 d5 9. cxd5 exd5 10. b4 Nbd7
1966 Santa Monica – Round 9 – Donner, Jan-Hein – 1/2-1/2 – Spassky, Boris V. – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 O-O 6. a3 Bxc3+ 7. Nxc3 d5 8. b4 Bb7 9. cxd5 Nxd5 10. Nxd5 Qxd5
1966 Sao Paulo CXSP Ch – Round ? – Fonrobert, Gert Wolfgang – 1-0 – De Freitas, Marcio Elisio – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Be7 7. d5 e5 8. Ng3 d6 9. Bd3 c6 10. O-O cxd5
1967 Oxford ch-BCF – Round 1 – Macdonald, Michael Gavin – 1/2-1/2 – Cafferty, Bernard – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 O-O 6. a3 Bxc3+ 7. Nxc3 d5 8. Be2 Nbd7 9. O-O Bb7 10. b3 c5
1968 Hastings6869 – Round 4 – Persitz, Raaphi – 1/2-1/2 – Keene, Raymond D – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 O-O 6. a3 Bxc3+ 7. Nxc3 d5 8. cxd5 exd5 9. Bd3 c5 10. O-O Ba6
1968 Mar del Plata ch-ARG – Round 9 – Sanguineti, Raúl Carlos – 1/2-1/2 – Rossetto, Hector – G59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 O-O 6. a3 Be7 7. e4 d6 8. Ng3 c5 9. d5 exd5 10. cxd5 a6
1969 POL-SVE – Round 2.10 – Witkowski, Stefan – 0-1 – Malmdin, Nils-Ake – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Be7 7. e4 d6 8. Ng3 Na6 9. Be2 c5 10. d5 Nc7
1969 Villa Gesell tt – Round 2 – Acosta Garcia, Rafael Isaac – 0-1 – Rossetto, Aline – G10 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 O-O 6. a3 Be7 7. e4 d6 8. Ng3 c5 9. d5 Re8 10. Be2 exd5
42. Olympiad 2016 – Round 7.34 – Leitao, Rafael – 1-0 – Wahid Hussain – G511 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 b6 6. a3 Bxc3+ 7. Nxc3 Bb7 8. Bd3 d5 9. O-O Nbd7 10. b4 c5
Tilburg Fontys 1996 – Round 4 – Shirov, Alexei – 1/2-1/2 – Sutovsky, Emil – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 O-O 6. a3 Bxc3+ 7. Nxc3 d5 8. Bd3 Ba6 9. b3 c5 10. dxc5 dxc4

E46c — Reshevsky Variation (1926)

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 b6

Les coups candidats

6.a3 — 97.5% (828 parties)

Ambassadeurs : Anastasian, Ashot (5x), Rozentalis, Eduardas (5x), De Lagontrie, Jean (5x), Cafferty, Bernard (4x), Rossetto, Hector (4x), Bodrogi, Laszlo (4x), Liljedahl, Lennart (3x), Beliajev, Dmitrij (3x)

6.Ng3 — 1.1% (9 parties)

Ambassadeurs : Petkovsek, G. (2x), Van den Bersselaar, Jeroen (2x), ? (1x), Azizian, Serkis (1x), Magomedov, Magaram (1x), Plukker Hans (1x), Plukker, H. (1x), Krasevec, Anton (1x)

6.Nf4 — 0.5% (4 parties)

Ambassadeurs : Bojicic, Andjela (2x), Fernandez, Jorge Daniel (1x), Braga, Fernando (1x), Zalazaev, Evgeny (1x), Golovenchits, Boris (1x), Kostic, Tomislav (1x), Petrovic, Tijana (1x)

6.f3 — 0.5% (4 parties)

Ambassadeurs : Ondras, Juraj (1x), Straka, Jozef (1x), Pranav Anand (1x), Nikhil Magizhnan (1x), Srdanovic, Jovana (1x), Heidarsson, Arnar Milutin (1x), Car, Filip (1x), Damjanovic, Stjepan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.a3	6.Ng3	6.Nf4	6.f3
<1800	46	93%	4%	—	2%
1800-2200	414	98%	0%	1%	1%
2200-2600	289	99%	—	0%	—
2600+	3	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6.a3	6.Ng3	6.Nf4	6.f3
1950s	18	100%	—	—	—
1960s	15	100%	—	—	—
1970s	25	100%	—	—	—
1980s	31	97%	—	—	—
1990s	105	93%	5%	1%	—
2000s	199	98%	1%	1%	—
2010s	361	98%	1%	1%	1%
2020s	95	99%	—	—	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.a3	98%	99%	▲ +1.4%
6.Ng3	1%	0%	▼ -0.8%
6.Nf4	1%	0%	▼ -0.6%
6.f3	1%	1%	+0.2%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 1 partie

Parties historiques

6.a3 — 97.5% (828 parties)

1951 — Basto, Lima L vs Jose, Ribeiro — 1-0 — ?
1951 — Basto Lima, L. vs Vasconcellos, Fernando O — 0-1 — Fortaleza BRA
1952 — Winants, Henri vs Galert, Josef — 1-0 — Ghent
1952 — Evans Lianda vs Quesada, Americo — 1-0 — Havana CUB
1953 — Williams, J Noel vs Davis, Ezra — 1-0 — Montreal CAN

6.Ng3 — 1.1% (9 parties)

1991 — Petkovsek, G. vs Krasevec, Anton — 0-1 — Slovenia ch
1992 — Petkovsek, G. vs Magomedov, Magaram — 0-1 — Ljubljana
1994 — Van den Bersselaar, Jeroen vs Plukker Hans — 1-0 — ?
1994 — Van den Bersselaar, Jeroen vs Plukker, H. — 1-0 — Nederland tt
1996 — ? vs Azizian, Serkis — 1-0 — Erevan ARM

6.Nf4 — 0.5% (4 parties)

1999 — Fernandez, Jorge Daniel vs Braga, Fernando — 0-1 — Mar del Plata ARG
2005 — Zalazaev, Evgeny vs Golovenchits, Boris — 1-0 — St Petersburg RUS
2015 — Bojicic, Andjela vs Kostic, Tomislav — 0-1 — Paracin
2017 — Bojicic, Andjela vs Petrovic, Tijana — 1-0 — Kraljevo

6.f3 — 0.5% (4 parties)

2011 — Ondras, Juraj vs Straka, Jozef — 1/2-1/2 — Slovakia
2018 — Pranav Anand vs Nikhil Magizhnan — 0-1 — Ahmedabad IND
2018 — Srdanovic, Jovana vs Heidarsson, Arnar Milutin — 1-0 — Konya TUR
2020 — Car, Filip vs Damjanovic, Stjepan — 0-1 — Trogir

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