E20p — Nimzo-Indian: Romanishin, 4…c5 5.Nf3 Nc6

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.g3 c5 5.Nf3 Nc6 *   ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bB
bQ
bK
bR
bP
bP
bP
bP
bP
bP
bN
bP
bN
Case forte (2v0)
bP
Case forte (2v1)
Case forte (2v0)
bB
wP
wPPion central
Case forte (2v0)
wN
wN
wP
wP
wP
wP
wP
wP
wR
wBFou actif — mobilité 5
wQ
wK
wB
wR
abcdefgh
Plans. Bg2 (Fianchetto, fou sur la grande diagonale — 89 % des parties) ; d5 (Occuper le centre — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wB
wK
wQ
wB
wR
wP
wP
wP
wP
wP
wP
wN
wN
wP
wP
bBCase forte (2v0)
bP
bN
bP
bN
bP
bP
bP
bP
bP
bP
bR
bK
bQ
bB
bR
hgfedcba
Plans. ...Ne4 (Cavalier centralisé en e4 — 63 % des parties) ; ...Qa5 (Contrôle diagonale a5-e1, Prépare O-O-O — 11 % des parties) ; ...d5 (Occuper le centre — 8 % des parties) ; ...Bxc3+ (Fou actif (mobilité 6) — 5 % des parties) ; ...O-O (Mettre le roi en sécurité, connecter les tours — 5 % des parties).
Avantages
Faiblesses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● f2→g3, h2→g3 ● d7→e6, f7→e6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● f4 (2v0), ● b5 (2v0), ● e5 (2v1), ● g5 (2v0) ● b4 (2v0)
Cases faibles ● d4
Centre ● e5 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Bf1 ● Bf1 Non développé (mob. 2)
Bb4 ● Bb4 Ok (mob. 3)
Bc8 ● Bc8 Non développé (mob. 0)
Paire de fous ● Oui ● Oui
Clouages ● knight c3
Non développées 4 (● c1, ● f1, ● a1, ● h1) 3 (● 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 mobile
Ruptures ● d4-d5 ● …d7-d5, ● …e6-e5
Partie
1968 Hungary – Round 1 – Liptay, Laszlo Dr. – 1/2-1/2 – Dely, Peter – G45
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Nc6 6. Bg2 Ne4 7. Bd2 Bxc3 8. bxc3 Nxd2 9. Qxd2 d6 10. O-O O-O
2. FIDE GP 2008 – Round 12 – Grischuk, Alexander – 1/2-1/2 – Ivanchuk, Vasyl – G69
1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. d4 c5 5. g3 Nc6 6. Bg2 Ne4 7. Bd2 Nxd2 8. Qxd2 cxd4 9. Nxd4 O-O 10. O-O Ne5
22. ECU Club Cup 2006 – Round 5 – Bareev, Evgeny – 0-1 – Grischuk, Alexander – G116
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Nc6 6. Bg2 Ne4 7. Bd2 Bxc3 8. bxc3 O-O 9. O-O Na5 10. Bf4 d5
7. World Team Championship 2010 – Round 7 – Harikrishna, Pentala – 1/2-1/2 – Amin, Bassem – G107
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 c5 5. Nf3 Nc6 6. Bg2 Qa5 7. O-O Bxc3 8. bxc3 Qxc3 9. Bf4 cxd4 10. Rc1 Qb2
7. World Team Championship 2010 – Round 8 – Grischuk, Alexander – 1/2-1/2 – Amin, Bassem – G126
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. g3 Nc6 6. Bg2 Ne4 7. Bd2 Bxc3 8. bxc3 O-O 9. O-O Na5 10. Bf4 d5
73. Tata Steel GMA 2011 – Round 5 – Nakamura, Hikaru – 1/2-1/2 – Ponomariov, Ruslan – G23
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Nc6 6. Bg2 Ne4 7. Bd2 Nxd2 8. Qxd2 cxd4 9. Nxd4 Qb6 10. Nc2 Be7
Chess Classic Rapid Final 2007 – Round 2 – Aronian, Levon – 1/2-1/2 – Anand, Viswanathan – G2
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Nc6 6. Bg2 Ne4 7. Bd2 Bxc3 8. bxc3 O-O 9. O-O Na5 10. Bf4 d5
EU-Cup 24th 2008 – Round 6 – Radjabov, Teimour – 1/2-1/2 – Gashimov, Vugar – G66
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 c5 5. Nf3 Nc6 6. Bg2 Ne4 7. Bd2 Bxc3 8. bxc3 d6 9. O-O O-O 10. Be3 d5
Interpolis 1985 – Round 11 – Polugaevsky, Lev – 0-1 – Korchnoi, Viktor – G37
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Nc6 6. Bg2 Qa5 7. d5 Bxc3+ 8. bxc3 Ne7 9. Qd3 exd5 10. cxd5 Nexd5
Qatar Masters Open 2015 – Round 3.8 – Mamedyarov, Shakhriyar – 1-0 – Lenderman, Aleksandr – G124
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. g3 Nc6 6. Bg2 Ne4 7. Bd2 Nxd2 8. Qxd2 cxd4 9. Nxd4 Qb6 10. e3 Ne5
World Championship 32th-KK2 1985 – Round 13 – Kasparov, Garry – 1/2-1/2 – Karpov, Anatoly – G5
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Nc6 6. Bg2 Ne4 7. Bd2 Bxc3 8. bxc3 O-O 9. O-O f5 10. Be3 Nxc3
World Championship 32th-KK2 1985 – Round 17 – Kasparov, Garry – 1/2-1/2 – Karpov, Anatoly – G8
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Nc6 6. Bg2 Ne4 7. Bd2 Bxc3 8. bxc3 O-O 9. O-O Na5 10. dxc5 Qc7
World Championship 33th-KK3 1986 – Round 2 – Kasparov, Garry – 1/2-1/2 – Karpov, Anatoly – G1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Nc6 6. Bg2 d5 7. cxd5 Nxd5 8. Bd2 cxd4 9. Nxd4 Nxd4 10. Nxd5 Bxd2+

E20p — Romanishin (1968)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.g3 c5 5.Nf3 Nc6
Les coups candidats
6.Bg2 — 89.1% (607 parties)
Ambassadeurs : Suba, Mihai (9x), Yudasin, Leonid (8x), Karpov, Anatoly (7x), Potapov, Alexander (7x), Kasparov, Garry (6x), Rashkovsky, Nukhim N (5x), Drasko, Milan (5x), Azmaiparashvili, Zurab (4x)
6.d5 — 7.3% (50 parties)
Ambassadeurs : Miladinovic, Igor (5x), Foisor, Ovidiu-Doru (2x), Sergeev, Vladimir (2x), Gasimov, Rahim (2x), Temirbayev, Serikbay (1x), Moldobaev, Erik (1x), Gulko, Boris (1x), Kuzmin, Gennadi (1x)
6.dxc5 — 2.2% (15 parties)
Ambassadeurs : Novikov, Igor (2x), Ubilava, Elizbar (1x), Spiridonov, Nikola (1x), Bakheet Farag (1x), Dely, Peter (1x), Giorgadze, Tamaz (1x), Pigusov, Evgeny (1x), Priehoda, Vitezslav (1x)
6.a3 — 1.0% (7 parties)
Ambassadeurs : Ingram, Alan (1x), Wheeler, Darren P (1x), Tjiam, Dharma (1x), Timmermans, Ivo (1x), Roos, Christoph (1x), Walter, Berthold (1x), Starc, Christian (1x), Morovic Fernandez, Ivan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Bg2 6.d5 6.dxc5 6.a3
<1800 17 94% 6%
1800-2200 136 87% 8% 1% 3%
2200-2600 412 89% 8% 3% 0%
2600+ 68 96% 4%
Évolution par décennie (% des parties)
Décennie N parties 6.Bg2 6.d5 6.dxc5 6.a3
1960s 1 100%
1970s 3 67% 33%
1980s 95 89% 6% 3% 1%
1990s 97 81% 12% 3% 1%
2000s 198 91% 6% 2% 1%
2010s 244 89% 7% 2% 1%
2020s 43 95% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Bg2 89% 95% ▲ +6.0%
6.d5 7% 5% ▼ -2.7%
6.dxc5 2% 0% ▼ -2.0%
6.a3 1% 0% ▼ -1.2%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 7 parties
Kasparov, Garry — 7 parties
Carlsen, Magnus — 1 partie
Anand, Viswanathan — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
6.Bg2 — 89.1% (607 parties)
1968 — Liptay, Laszlo Dr. vs Dely, Peter — 1/2-1/2 — HUN
1978 — Rohland, Michael Karl vs South, Robert — 1-0 — Toronto ch-CAN - zt
1978 — Van Tilbury, Craig vs Shoumali, Samir — 1-0 — Buenos Aires ARG
1982 — Bakheet Farag vs Suba, Mihai — 1/2-1/2 — Baile Herculane zt
1983 — Rashkovsky, Nukhim N vs Oll, Lembit — 1/2-1/2 — Nikolaev UKR
6.d5 — 7.3% (50 parties)
1982 — Nickoloff, Bryon vs Dzera, Victor — 1-0 — Toronto CAN
1982 — Liberios, Tisef vs Foisor, Ovidiu-Doru — 0-1 — Plovdiv BUL
1984 — Gulko, Boris vs Kuzmin, Gennadi — 0-1 — Tashkent UZB
1985 — Kaiser, Wolfgang vs Foisor, Ovidiu-Doru — 1/2-1/2 — Buende GER
1987 — Temirbayev, Serikbay vs Moldobaev, Erik — 0-1 — Frunze KGZ
6.dxc5 — 2.2% (15 parties)
1978 — Bakheet Farag vs Dely, Peter — 1/2-1/2 — HUN-ch Budapest HUN
1985 — Ubilava, Elizbar vs Spiridonov, Nikola — 1/2-1/2 — Varna BUL
1986 — Giorgadze, Tamaz vs Novikov, Igor — 1/2-1/2 — Lvov UKR
1986 — Pigusov, Evgeny vs Novikov, Igor — 1/2-1/2 — URS-ch U20 Tallinn EST
1994 — Priehoda, Vitezslav vs Bundrock, Thomas — 1/2-1/2 — OLO-A 9394
6.a3 — 1.0% (7 parties)
1981 — Ingram, Alan vs Wheeler, Darren P — 1/2-1/2 — Wolverhampton
1996 — Tjiam, Dharma vs Timmermans, Ivo — 1-0 — Mondariz ESP
2000 — Roos, Christoph vs Walter, Berthold — 1/2-1/2 — Reil
2000 — Starc, Christian vs Morovic Fernandez, Ivan — 0-1 — Pula CRO
2014 — Djukic, Sandra vs Jevtic, Miroljub — 1-0 — Pozarevac SER

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