E36d — Nimzo-Indian: Classical, Noa, 5.a3 Bxc3+

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte b4, paire de fous.
Faiblesses adverses : Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, arriéré b2, 5 pièces non développées (G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Nf3 — Développer Ng1
● Bg5 — Clouer Nf6

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4.
Faiblesses adverses : arriéré b2, Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, 4 pièces non développées (B8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bf5)
● ...Nbd7 — Développer Nb8
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E36d — Classical Noa

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3

Eval: [+0.13]

Les coups candidats

6…Ne4 — 47.6% (1684 parties) →

Ambassadeurs : Hou, Yifan (12x), Drozdovskij, Yuri (8x), Kopasov, Evgeny (8x), Adams, Michael (8x), Neuman, Petr (8x), Carlsen, Magnus (8x), Fine, Reuben (7x), Eliskases, Erich (7x)

6…O-O — 25.4% (899 parties) →

Ambassadeurs : Bu, Xiangzhi (7x), Turczynski, Marian (7x), Martínez Puigrós, Ricardo (7x), Orekhov, Dmitry Vjacheslavov (7x), Lalit Babu M R (6x), Palladino, Mario (6x), Dzenis, Janis (5x), Bok, Benjamin (5x)

6…dxc4 — 11.8% (416 parties) →

Ambassadeurs : Rozentalis, Eduardas (7x), Szymanski, Robert (5x), Likavsky, Tomas (4x), Karpov, Anatoly (4x), Golod, Vitali (4x), Ghaem Maghami, Ehsan (4x), Schmidt, Wlodzimierz (4x), Tania, Sachdev (4x)

6…c5 — 7.9% (280 parties)

Ambassadeurs : Lyell, Mark (5x), Romanishin, Oleg M (5x), Miroshnichenko, Evgenij (4x), Michiels, Bart (4x), Kantor, Gergely (4x), Lazarev, Vladimir (3x), Mayorau, Mikita (3x), Golod, Vitali (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Ne4	6…O-O	6…dxc4	6…c5
<1800	55	45%	31%	5%	4%
1800-2200	832	47%	30%	9%	5%
2200-2600	1738	42%	26%	15%	12%
2600+	284	44%	30%	17%	6%

Évolution par décennie (% des parties)

Décennie	N parties	6…Ne4	6…O-O	6…dxc4	6…c5
1920s	9	33%	33%	22%	—
1930s	83	71%	14%	5%	4%
1940s	66	82%	8%	2%	—
1950s	55	62%	9%	2%	—
1960s	44	57%	11%	2%	—
1970s	32	78%	6%	3%	—
1980s	55	65%	9%	2%	2%
1990s	316	66%	15%	5%	2%
2000s	1041	63%	8%	13%	10%
2010s	1227	42%	28%	14%	10%
2020s	609	12%	63%	14%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Ne4	42%	12%	▼ -29.7%
6…O-O	28%	63%	▲ +34.5%
6…dxc4	14%	14%	-0.2%
6…c5	10%	8%	▼ -1.6%

Joueurs célèbres

Champions du monde dans cette position

Hou, Yifan — 10 parties
Karpov, Anatoly — 10 parties
Carlsen, Magnus — 10 parties
Euwe, Max — 7 parties
Kasparov, Garry — 6 parties
Kramnik, Vladimir — 6 parties
Ju, Wenjun — 4 parties
Anand, Viswanathan — 3 parties
Alekhine, Alexander — 2 parties
Botvinnik, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie

Parties historiques

6…Ne4 — 47.6% (1684 parties)

1928 — Bogoljubow, Efim vs Euwe, Max — 1/2-1/2 — Nederland m-II
1929 — Menchik, Vera Frantsevna vs Winter, William — 1/2-1/2 — Ramsgate schev
1929 — Cheron, Andre vs De Villeneuve, Escaplon Jean — 1-0 — Saint-Claude
1930 — Noteboom, Daniel vs Takacs, Sandor — 1/2-1/2 — viermeesterkamp
1930 — Rey Ardid, Ramon vs Golmayo Torriente, Manuel — 1-0 — Madrid m ch-ESP

6…O-O — 25.4% (899 parties)

1929 — Koltanowski, George vs Norman, George — 1-0 — Hastings Town Hall
1929 — Koltanowski, George vs Michell, Reginald — 1/2-1/2 — Hastings Town Hall
1929 — Rubinstein, Akiba vs Bogoljubow, Efim — 1/2-1/2 — Carlsbad CZE
1930 — Rejfir, Josef vs Steiner, Herman — 1-0 — Hamburg GER
1934 — Araiza Munoz, Jose Joaquin vs Belson, John Harold — 1-0 — Chicago, IL USA

6…dxc4 — 11.8% (416 parties)

1928 — Landau, Salo vs Schelfhout, Willem — 1-0 — The Hague NED
1929 — Euwe, Max vs Capablanca, Jose — 1/2-1/2 — Carlsbad CZE
1934 — Alatortsev, Vladimir N. vs Savitsky, Leonid — 1-0 — Leningrad ch-URS
1934 — Alatortsev, Vladimir N. vs Yudovich, Mikhail M — 0-1 — Leningrad RUS
1934 — Dunkelblum, Arthur vs Engelmann, Marcel — 1/2-1/2 — Liege

6…c5 — 7.9% (280 parties)

1930 — Herrmann, Hans, Dr. vs Von Hennig, Heinrich — 0-1 — Frankfurt GER
1934 — Rodatz, Hans vs Von Hennig, Heinrich — 1/2-1/2 — Kiel GER
1937 — Winter, William vs Blow, Ronald — 1-0 — Birmingham, Cobden Hotel
1989 — Jensen, Rene Skree vs Welling, Gerard — 1/2-1/2 — Lyngby op Lyngby DEN
1993 — Genelle Roos, Malo vs Kunow, Frank — 1-0 — Dresden GER

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● b2	—
Chaînes	● b2→a3	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b4 (2v0)	● e4 (2v0)
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (1v0)	● d5 (3v1), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	Non
Non développées	5 (g1, c1, f1, a1, h1)	4 (b8, 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	fermé
Ruptures	● c4-c5	● …e6-e5

Partie
1928 Hastings Premier /29 9th – Round 4 – Colle, Edgar – 1-0 – Michell, Reginald – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Nbd7 7. cxd5 Nxd5 8. Qc2 O-O 9. e4 Ne7 10. Nf3 Re8
1929 Karlsbad – Round 1 – Euwe, Max – 1/2-1/2 – Capablanca, Jose – G57 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 O-O 8. Bg5 c6 9. Nf3 Nbd7 10. e3 Qa5+
1934 Leningrad – Round 1 – Alatortsev, Vladimir N. – 0-1 – Yudovich, Mikhail M – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 Nc6 8. Nf3 Qd5 9. e3 O-O 10. b4 b6
1934 Leningrad ch-URS – Round 1 – Alatortsev, Vladimir N. – 1-0 – Savitsky, Leonid – G44 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 O-O 8. Nf3 b6 9. Bf4 Nd5 10. Bg5 f6
1934 Leningrad ch-URS – Round 1 – Makogonov, Vladimir – 1/2-1/2 – Yudovich, Mikhail M – G59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 b6 7. e3 O-O 8. Bd3 dxc4 9. Bxc4 Bb7 10. Nf3 Nbd7
1934 URS-ch09 – Round ? – Alatortsev, Vladimir N. – 1-0 – Savitsky, Leonid – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 O-O 8. Nf3 b6 9. Bf4 Nd5 10. Bg5 f6
1937 Birmingham – Round 3 – Winter, William – 1-0 – Blow, Ronald – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c5 7. dxc5 d4 8. Qc2 Nc6 9. b4 e5 10. e4 a5
1958 Manhattan CC Ch fin 5758 – Round 8 – Cohen, Harry S – 0-1 – Kramer, George – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Ba6 8. e3 dxc4 9. Bxc4 Bxc4 10. Qxc4 Qd5
1965 Tbilisi Tbilisi GEO – Round 1 – Damjanovic, Mato – 1/2-1/2 – Pietzsch, Wolfgang – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Nbd7 7. b3 O-O 8. Nf3 c5 9. e3 cxd4 10. Qxd4 dxc4
22. ECU Club Cup 2006 – Round 2 – Likavsky, Tomas – 0-1 – Delchev, Aleksander – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 b6 8. Nf3 Ba6 9. Qc2 Nbd7 10. Bf4 O-O
43. Olympiad 2018 – Round 9.21 – Steingrimsson, Hedinn – 1/2-1/2 – Grandelius, Nils – G586 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 dxc4 8. Qxc4 Ba6 9. Qa4+ Qd7 10. Qxd7+ Nbxd7
Amber-blindfold 17th 2008 – Round 2 – Van Wely, Loek – 0-1 – Carlsen, Magnus – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c5 7. dxc5 d4 8. Qg3 Nc6 9. b4 e5 10. e4 O-O
American Cup Champ 2023 – Round 2.2 – So, Wesley – 1/2-1/2 – Caruana, Fabiano – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 b6 8. Nf3 Ba6 9. Qa4+ Qd7 10. Qc2 O-O
Bosna SuperGM 2000 – Round 11 – Gurevich, Mikhail – 1/2-1/2 – Short, Nigel D – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 b6 8. Nf3 Ba6 9. Qc2 O-O 10. Bg5 Nbd7
FIDE World Cup 2017 – Round 2.2 – Andreikin, Dmitry – 1/2-1/2 – Matlakov, Maxim – G228 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 b6 8. Nf3 Ba6 9. Qa4+ Qd7 10. Qc2 O-O
GCT Blitz YourNextMove 2018 – Round 11.2 – Mamedyarov, Shakhriyar – 1/2-1/2 – Anand, Viswanathan – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 b6 8. Nf3 Ba6 9. Qc2 h6 10. Bf4 O-O
Kosmos m 5' 1998 – Round 2 – Kramnik, Vladimir – 0-1 – Kasparov, Garry – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 b6 8. Nf3 Ba6 9. Qc2 Nbd7 10. Bg5 O-O
RUS vs. ROW 2002 – Round 3 – Bareev, Evgeny – 1-0 – Short, Nigel D – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 b6 8. Nf3 Ba6 9. Qa4+ Qd7 10. Qc2 Nc6
Tal Memorial 2006 – Round 2 – Gelfand, Boris – 1/2-1/2 – Ponomariov, Ruslan – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c5 7. dxc5 d4 8. Qg3 O-O 9. Bh6 Ne8 10. e3 Nc6
USA Ch 2018 – Round 6.1 – Akobian, Varuzhan – 0-1 – Shankland, Sam – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 b6 8. Nf3 Ba6 9. Qa4+ Qd7 10. Qc2 h6
World Blitz 2023 – Round 1.15 – Fedoseev, Vladimir – 1/2-1/2 – Xu, Xiangyu – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 b6 7. cxd5 Ne4 8. Qc2 exd5 9. e3 O-O 10. Bd3 Ba6
World Blitz 2023 – Round 13.14 – Makhnev, Denis – 1/2-1/2 – Maghsoodloo, Parham – G733 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 b6 8. Nf3 Ba6 9. Qa4+ Qd7 10. Qxd7+ Nbxd7
World Rapid 2021 – Round 10.42 – Dreev, Aleksey – 1-0 – Klekowski, Maciej – G595 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 O-O 8. Bf4 Nd5 9. Bg3 b6 10. e4 Ba6

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