Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	—
Cases faibles	● e4	—
Centre	● e5 (1v0)	● d5 (3v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
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	—	● …e6-e5

E34a — Nimzo-Indian: Classical, Noa Variation

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. cxd5 (Capture en d5, Occuper le centre — 51 % des parties) ; a3 (Préparer expansion aile dame — 33 % des parties) ; e3 (Libérer Bf1, préparer Bd3 — 8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bxc3+ (Fou actif (mobilité 6) — 31 % des parties) ; ...O-O (Mettre le roi en sécurité, connecter les tours — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1928 Bad Kissingen – Round 10 – Capablanca, Jose – 1/2-1/2 – Nimzowitsch, Aron – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Bg5 dxc4 6. Nf3 b5 7. a4 c6 8. Bxf6 gxf6 9. g3 a6 10. Bg2 Ra7
1929 NED-ch07 – Round 3 – Van den Bosch, Johannes – 1-0 – Olland, Adolf George – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 dxc4 6. e4 b5 7. a4 Bb7 8. e5 Be4 9. Qd2 Nd5 10. axb5 Nb6
1931 Trebitsch Memorial 14th – Round 7 – Beutum, Sigmund – 1-0 – Mueller, Hans – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 Ne4 6. Nd2 Nxd2 7. Bxd2 c6 8. e3 Nd7 9. a3 Be7 10. Bd3 dxc4
1933 Folkestone olm – Round 14 – Sigurdsson, Thorgeir – 1-0 – Duchamp, Marcel – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Bg5 Nc6 6. e3 Be7 7. Nf3 O-O 8. a3 a6 9. Bd3 h6 10. Bh4 dxc4
1933 GER Ch 1st – Round 7 – Ahues, Carl – 1/2-1/2 – Rellstab, Ludwig – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 c5 6. e3 Nc6 7. a3 Bxc3+ 8. bxc3 O-O 9. Be2 b6 10. O-O Ba6
1934 Leningrad ch-URS – Round 1 – Dubinin, Peter – 0-1 – Savitsky, Leonid – G61 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 dxc4 6. e3 b5 7. a4 c6 8. axb5 cxb5 9. Bd2 Bxc3 10. Bxc3 Nc6
1934 Mar del Plata – Round 1 – Hounie Fleurquin, Carlos – 1/2-1/2 – Concepcion Villegas, Bryan Uriel – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Bg5 dxc4 6. e3 b5 7. a4 c6 8. axb5 cxb5 9. Bxf6 gxf6 10. b3 Qd5
1936 Mar del Plata – Round 8 – Flores Alvarez, Rodrigo – 1/2-1/2 – Schwartzman, Alejandro – G58 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Bg5 dxc4 6. Nf3 b5 7. a4 c6 8. g3 Bb7 9. Bg2 Nbd7 10. Ne5 Qb6
1936 Muenchen ol – Round 16 – Andersen, Erik – 0-1 – Alexandrescu, Gheorghe – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 Nbd7 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 b6 9. cxd5 exd5 10. Qc6 Rb8
1936 Munich ol (Men) – Round 13 – Schreiber, Mirko – 1-0 – Tsvetkov, Alexandar K – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 c5 6. a3 Bxc3+ 7. bxc3 Qa5 8. e3 Bd7 9. cxd5 Ba4 10. Qb2 Nxd5
1938 Trade Unions – Round 10 – Levitas, B – 0-1 – Sokolsky, Alexey – G80 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Bg5 dxc4 6. e3 b5 7. a4 c6 8. Be2 Bb7 9. Bf3 a6 10. Ne2 Nbd7
2026 Tata Steel Chess Masters - Round 8.2 - Fedoseev, Vladimir - 0-1 - Gukesh D - G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 O-O 6. e3 b6 7. Be2 Bb7 8. cxd5 exd5 9. a3 Be7 10. b4 Nbd7
GCT Blitz Paris 2018 – Round 14.4 – Mamedyarov, Shakhriyar – 1/2-1/2 – Anand, Viswanathan – G68 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Bg5 h6 6. Bxf6 Qxf6 7. a3 Bxc3+ 8. Qxc3 O-O 9. Nf3 c6 10. h4 Nd7
Tata Steel India Blitz 2019 – Round 18.5 – Harikrishna Paudyal – 1/2-1/2 – Giri, Anish – G88 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 dxc4 6. Qa4+ Nc6 7. e3 Bd7 8. Bxc4 Nxd4 9. Qd1 Nxf3+ 10. Qxf3 Bc6
Vugar Gashimov Mem 2014 – Round 6.2 – Mamedyarov, Shakhriyar – 0-1 – Carlsen, Magnus – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 dxc4 6. Bg5 b5 7. a4 c6 8. g3 Bb7 9. Bg2 Nbd7 10. O-O Qb6
World Blitz 2018 – Round 18.20 – Van Foreest, Jorden – 0-1 – Jobava, Baadur – G1054 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Qc2 d5 5. Nf3 h6 6. g3 O-O 7. Bg2 dxc4 8. O-O Nc6 9. Rd1 Rb8 10. e4 Ne7
World Blitz 2018 – Round 3.46 – Anikonov, Dmitry – 0-1 – Matlakov, Maxim – G178 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 dxc4 6. Bg5 b5 7. e4 Bb7 8. e5 Bxf3 9. gxf3 h6 10. exf6 hxg5

E34a — Classical Variation, Noa Variation (1928)

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5

Les coups candidats

5.cxd5 — 51.3% (6161 parties) →

Ambassadeurs : Dreev, Aleksey (41x), Short, Nigel D (27x), Romanishin, Oleg M (25x), ? (25x), Beliavsky, Alexander G (20x), Anand, Viswanathan (20x), Kotanjian, Tigran (19x), Adams, Michael (18x)

5.a3 — 32.7% (3931 parties) →

Ambassadeurs : Karpov, Anatoly (16x), Kopasov, Evgeny (15x), Golod, Vitali (14x), Lysyj, Igor (14x), Likavsky, Tomas (13x), Carlsen, Magnus (13x), Gajewski, Grzegorz (12x), Adams, Michael (12x)

5.e3 — 7.8% (937 parties) →

Ambassadeurs : Aloni, Itzchak (6x), Gareyev, Timur (5x), Kolanek, Roman (4x), Krawcewicz, Lucyna (3x), Pavlidou, Ekaterini (3x), Sidenko, Anatoly Viktorovich (3x), White, Richard (3x), Bidhar, Rutumbara (3x)

5.Bg5 — 4.2% (502 parties)

Ambassadeurs : Jevtic, Miroljub (4x), Andrejevic, Miladin (3x), de Carvalho, Igor Lorenzon (3x), Godesar, Ralph (3x), Toth, Peter (2x), Minko, Vladimir (2x), Avery, Bryce (2x), Elancheralathan P (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.cxd5	5.a3	5.e3	5.Bg5
<1800	652	38%	24%	17%	9%
1800-2200	4005	45%	32%	13%	6%
2200-2600	5183	60%	34%	2%	2%
2600+	732	59%	39%	1%	0%

Évolution par décennie (% des parties)

Décennie	N parties	5.cxd5	5.a3	5.e3	5.Bg5
1950s	146	39%	43%	16%	1%
1960s	115	41%	40%	18%	—
1970s	107	37%	39%	12%	6%
1980s	222	55%	32%	5%	4%
1990s	1406	53%	27%	9%	7%
2000s	3553	52%	32%	8%	4%
2010s	4321	51%	32%	8%	4%
2020s	2136	51%	37%	5%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.cxd5	51%	51%	+0.4%
5.a3	32%	37%	▲ +4.9%
5.e3	8%	5%	▼ -3.6%
5.Bg5	4%	3%	▼ -0.5%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Hou, Yifan — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 5 parties
Gukesh D — 5 parties
Botvinnik, Mikhail — 3 parties
Tal, Mikhail — 3 parties
Ding, Liren — 3 parties
Smyslov, Vladimir — 1 partie

Parties historiques

5.cxd5 — 51.3% (6161 parties)

1950 — Platz, Hans vs Ullrich, Bruno — 0-1 — Soemmerda
1950 — Kotov, Alexander vs Boleslavsky, Isaac — 1/2-1/2 — Budapest HUN
1950 — O'Hanlon, John vs Schmid, Lothar — 0-1 — Southsea
1950 — Boleslavsky, Isaac vs Borisenko, Georgy K — 1/2-1/2 — Moscow RUS
1950 — Kable, J vs Salm, Maxwell — 0-1 — Queensland ch

5.a3 — 32.7% (3931 parties)

1950 — Bogoljubow, Efim vs Unzicker, Ferdinand, Dr. — 0-1 — Bad Pyrmont GER
1950 — Morcken, Otto B vs Porrecca, Giorgio — 0-1 — Dubrovnik CRO
1950 — Kieninger, Georg vs Bogoljubow, Efim — 0-1 — Schwelm
1950 — Donner, Jan-Hein vs Barzin, Marcel — 1/2-1/2 — Antwerp BEL
1950 — Kotov, Alexander vs Szabo, Laszlo — 1-0 — Budapest HUN

5.e3 — 7.8% (937 parties)

1950 — Walther, Edgar vs Mevel, Alberic — 1-0 — cr.
1950 — Henriksen, Palle V. vs Hansen, Asgar — 0-1 — Aalborg DEN
1950 — Dunareanu vs Urseanu — 1-0 — Rumania
1950 — Morcken, Otto B vs Kramer, George — 0-1 — Dubrovnik olm
1950 — Machate, Gottlieb vs Eisinger, Max Jr — 1/2-1/2 — FRG-ch Bad Pyrmont GER

5.Bg5 — 4.2% (502 parties)

1955 — Philippe, Georges vs Bosch van Rosenthal, Edzard — 0-1 — Antwerp BEL
1972 — Parr, Peter vs Bergmanis, Olgerts — 1-0 — Melbourne AUS
1972 — Virtanen, Kauko vs Jokinen, Reino — 0-1 — ?
1975 — Frick, Alexander vs Brent, Marlo — 0-1 — corr APCT
1977 — Grigoryan, Karen A. vs Kuzmin, Gennadi — 1/2-1/2 — Leningrad ch-URS

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