Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● b5 (2v0)	—
Cases faibles	—	—
Centre	● e4 (2v1)	● d4 (1v0)

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. 0)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	5 (● g1, ● 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

E33a — Nimzo-Indian: Classical, 4…Nc6

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nf3 (Développer g1 — 91 % des parties) ; e3 (Libérer Bf1, préparer Bd3 — 9 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...d6 (Libérer Bc8 — 59 % des parties) ; ...d5 (Occuper le centre — 23 % des parties) ; ...O-O (Mettre le roi en sécurité, connecter les tours — 11 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1932 Hastings3233 – Round 8 – Flohr, Salo – 1/2-1/2 – Alexander, Conol Hugh – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 d6 6. Bd3 e5 7. d5 Bxc3+ 8. Qxc3 Ne7 9. e4 a5 10. Ne2 Nd7
1933 Hastings3334 – Round 7 – Lilienthal, Andor – 1-0 – Milner Barry, Philip – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 d6 6. Bd3 e5 7. Ne2 Qe7 8. O-O Bxc3 9. Qxc3 e4 10. Bc2 d5
1935 Copenhagen – Round 1 – Hage, Poul – 0-1 – Andersen, Erik – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. dxe5 Nxe5 7. Bd2 O-O 8. a3 Bxc3 9. Bxc3 d6 10. Nf3 Qe7
1935 Copenhagen – Round 5 – Larsen Ojvind – 0-1 – Andersen, Erik – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. dxe5 Nxe5 7. Bd2 O-O 8. Nf3 Re8 9. Be2 d6 10. O-O Ng6
1935 Moskou – Round 15 – Flohr, Salo – 1-0 – Romanovsky, Pjotr – G75 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 d5 6. Nf3 O-O 7. a3 Bxc3+ 8. Qxc3 Bd7 9. b4 dxc4 10. Bxc4 b5
1936 Dresden – Round 6 – Keres, Paul Petrovich – 0-1 – Alekhine, Alexander – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. d5 Ne7 7. Nf3 Bxc3+ 8. Qxc3 d6 9. Be2 O-O 10. O-O Ne4
1936 Hastings3637 – Round 1 – Feigin, M. – 0-1 – Alekhine, Alexander – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. d5 Ne7 7. a3 Bxc3+ 8. Qxc3 d6 9. Bd3 Bf5 10. Ne2 O-O
1936 Muenchen ol – Round 2 – Trifunovic, Petar – 0-1 – Najdorf, Miguel – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 d6 6. Bd3 O-O 7. Ne2 e5 8. d5 Ne7 9. a3 Bxc3+ 10. Nxc3 c6
1937 Budapest – Round 1 – Hoelinger, B. – 1/2-1/2 – Füster, Géza – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. dxe5 Nxe5 7. a3 Bxc3+ 8. Qxc3 Qe7 9. Nf3 d6 10. Nxe5 dxe5
1938 Bad Elster – Round 3 – Kieninger, Georg – 0-1 – Ahues, Carl – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 O-O 6. Bd3 d6 7. Ne2 d5 8. f4 b6 9. O-O Bb7 10. a3 Be7
1938 Nice – Round 1 – Eliacheff Kahn – 0-1 – Alekhine, Alexander – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. a3 Bxc3+ 7. bxc3 O-O 8. Nf3 d6 9. Be2 Bg4 10. Bb2 Qe7
1938 Trade Unions – Round 16 – Vasiliev, Viktor A – 1-0 – Rovner, Dmitry – G126 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Bg5 Qe7 6. e3 d6 7. Be2 O-O 8. Nf3 Re8 9. Bh4 e5 10. dxe5 dxe5
1939 Buenos Aires ol prel-B – Round 3 – Salas Romo, Julio – 1-0 – Olivera, Alfredo – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 O-O 6. a3 Bxc3+ 7. Qxc3 d6 8. b4 e5 9. d5 Ne7 10. Bd3 Ng6
1940 Moskou ch-URS – Round 1 – Keres, Paul – 1-0 – Kotov, Alexander. – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 d5 6. Nf3 O-O 7. a3 Bxc3+ 8. Qxc3 Bd7 9. Bd3 a5 10. O-O a4
1940 Moskou ch-URS – Round 1 – Mikenas, Vladas – 0-1 – Kotov Lundqvist, Alex – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 O-O 6. Nf3 d6 7. a3 Bxc3+ 8. Qxc3 a5 9. Be2 Qe7 10. O-O e5
1940 URS-ch12 – Round 10 – Mikenas, Vladas – 0-1 – Kotov, Alexander. – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 O-O 6. Nf3 d6 7. a3 Bxc3+ 8. Qxc3 a5 9. Be2 Qe7 10. O-O e5
1942 GER Ch 09th – Round 9 – Mueller, Hans – 1-0 – Rellstab, Ludwig – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 d6 6. Ne2 e5 7. d5 Bxc3+ 8. Nxc3 Ne7 9. Bd3 Nd7 10. O-O Nc5
1942 Mar del Plata – Round 8 – Stahlberg, Gideon – 1-0 – Rossetto, Hector – G67 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 d6 6. Bd3 Qe7 7. Ne2 e5 8. d5 e4 9. dxc6 exd3 10. cxb7 Bxc3+
1942 Moscow Ch – Round 1 – Alatortsev, Vladimir N. – 1-0 – Aramanovich, I – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 O-O 6. Bd3 e5 7. d5 Nb8 8. Ne2 Na6 9. a3 Bxc3+ 10. Qxc3 Nc5
1943 Vienna Ch – Round ? – Mueller, Hans – 1-0 – Fichtl, Jiri – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. d5 Ne7 7. Ne2 Bxc3+ 8. Nxc3 d6 9. e4 a5 10. Be2 Nd7
1945 Moscow Ch – Round 6 – Flohr, Salo – 0-1 – Lilienthal, Andor – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 d5 6. a3 Bd6 7. c5 Be7 8. f4 a5 9. Nf3 O-O 10. Bd3 b6
1945 Moskou ch-URS – Round 1 – Alatortsev, Vladimir N. – 1-0 – Lilienthal, Andor – G53 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. d5 Ne7 7. Ne2 O-O 8. a3 Bxc3+ 9. Nxc3 d6 10. g3 Nd7
1945 Novi Sad – Round 18 – Gligorić, Svetozar – 1-0 – Radojcic, Slobodan – G173 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. d5 Ne7 7. Bd2 Bxc3 8. Bxc3 d6 9. Bd3 Ng6 10. Ne2 a5
1946 Nottingham ch-BCF – Round 2 – De Winter Gallegos, Willy – 1-0 – Alexander Ronald Cheng – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. d5 Ne7 7. Ne2 Ng6 8. g3 O-O 9. Bg2 Ne8 10. O-O f5
1946 USA Ch New York, NY USA – Round 1 – Steiner, Heinrich Jun. – 0-1 – Pinkus, Albert – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 O-O 6. a3 Bxc3+ 7. Qxc3 a5 8. b3 d6 9. Nf3 Re8 10. Bb2 e5
1947 Budapest HUN – Round 1 – Barcza, Gedeon – 1-0 – Szilagyi, Gyorgy Laszlo – G2 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 O-O 6. a3 Bxc3+ 7. Qxc3 d6 8. b4 e5 9. dxe5 Nxe5 10. Nf3 Re8
1947 Hilversum zt – Round 13 – Porath, Yosef – 1/2-1/2 – Blau, Max – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. d5 Ne7 7. Bd3 Bxc3+ 8. Qxc3 d6 9. e4 O-O 10. Ne2 Ng6
1947 Mar del Plata – Round 14 – Pizzi Possi, Tulio – 1/2-1/2 – Marini, Luis – G118 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 d5 6. Nf3 O-O 7. a3 Bxc3+ 8. Qxc3 Bd7 9. b3 a5 10. Bb2 Re8
1948 Karlovy Vary – Round 17 – Foltys, Jan – 1-0 – Gawlikowski, Stanislaw – G161 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. dxe5 Nxe5 7. Bd2 d6 8. a3 Bxc3 9. Bxc3 O-O 10. Nf3 Qe7
1948 New York – Round 4 – Denker, Arnold S – 0-1 – Fine, Richard Alvaro Adrien – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 O-O 6. Ne2 d5 7. cxd5 exd5 8. a3 Bd6 9. Ng3 g6 10. Bd3 a6
1949 Oldenburg – Round 16 – Kieninger, Georg – 1-0 – Walther, Edgar – G61 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. d5 Ne7 7. a3 Bxc3+ 8. Qxc3 d6 9. f3 b5 10. e4 bxc4
1950 Olympiad Dubrovnik YUG – Round 1 – Zapata Vinces, Mario – 1/2-1/2 – Rossetto, Hector – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 O-O 6. Bd3 d6 7. Ne2 Re8 8. a3 Bxc3+ 9. Nxc3 e5 10. d5 Nb8
1951 Budapest HUN – Round ? – Navarovszky, Laszlo – 1-0 – Pogats, I – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. d5 Ne7 7. Bd3 b5 8. Ne2 bxc4 9. Bxc4 O-O 10. O-O d6
1951 Buenos Aires – Round 11 – Alonso-Lej De Las Casas, Fernando – 1-0 – Corte, Cesar J – G69 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 d6 6. Bd3 O-O 7. Ne2 Qe8 8. O-O Kh8 9. Ne4 Nxe4 10. Bxe4 a6
1952 Havana – Round 11 – Steiner, Herman – 0-1 – Toran Albero, Roman – G93 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 e5 6. d5 Ne7 7. a3 Bxc3+ 8. Qxc3 d6 9. Bd3 O-O 10. Ne2 Ne8
1953 Mitropa Cup – Round 1 – Steger, Gerhard – 1-0 – Nievergelt, Erwin – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 d6 6. Bd3 O-O 7. Ne2 e5 8. d5 Bxc3+ 9. Qxc3 Ne7 10. O-O Nd7
1954 Hungary Ch – Round 1 – Hajtun, Jozsef – 1/2-1/2 – Gereben, Erno – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 O-O 6. Be2 d6 7. Nf3 e5 8. dxe5 dxe5 9. O-O Bxc3 10. Qxc3 Bg4
1955 Budapest – Round 1 – Navarovszky, Laszlo – 0-1 – Weiss, Florian – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 O-O 6. Bd3 Re8 7. Bd2 Bf8 8. a3 a5 9. O-O-O d5 10. Nf3 Bd7
1959 Santiago – Round 10 – Salas Romo, Julio – 1-0 – Ader Hausman, Walter – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 d5 6. Nf3 O-O 7. Bd3 dxc4 8. Bxc4 a6 9. O-O Bd6 10. Rd1 Qe7
1963 Budapest ch-HUN – Round 1 – Navarovszky, Laszlo – 1/2-1/2 – Haag, Ervin – G23 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Qc2 Nc6 5. e3 O-O 6. Bd3 e5 7. d5 Ne7 8. Ne2 c6 9. O-O d6 10. Bd2 cxd5
1964 Tel Aviv olm prel – Round 7 – Jauregui, Carlos – 1/2-1/2 – Isaacson, David – G246 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Qc2 Nc6 5. e3 d6 6. Nf3 O-O 7. a3 Bxc3+ 8. Qxc3 Re8 9. Be2 e5 10. d5 Nb8
1965 SM - Falkoping – Round 10 – Andersson, Bengt 1968 – 1/2-1/2 – Kinnmark, Ove – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 Qe7 6. f3 d5 7. f4 O-O 8. Nf3 Bd7 9. Bd3 dxc4 10. Bxc4 Na5
World Blitz 2015 – Round 1.84 – Ivanisevic, Ivan – 1-0 – Bruedigam, Martin – G71 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. e3 d6 6. Ne2 O-O 7. a3 Bxc3+ 8. Nxc3 e5 9. d5 Ne7 10. b3 Bf5

E33a — Classical Variation, Zurich Variation (1932)

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6

Les coups candidats

5.Nf3 — 90.3% (2972 parties) →

Ambassadeurs : Finegold, Benjamin (10x), Heinemann, Thies (9x), Rapaka Samuel Paul (7x), Ree, Hans (7x), Ostojic, Nikola (7x), Franklin, Michael J (7x), Bronstein, Luis Marcos (7x), Kluss, Kai (7x)

5.e3 — 9.3% (306 parties)

Ambassadeurs : Korchnoi, Viktor (4x), Machlik, Monika (4x), Navarovszky, Laszlo (3x), Khismatullin, Denis (3x), Papasimakopoulos, Alexandros (3x), Sauve, Richard (2x), Melnichuk, Mikhail (2x), Ringoir, Tanguy (2x)

5.a3 — 0.2% (6 parties)

Ambassadeurs : Caleiro, Alexandre (1x), Moreira, Jose Americo (1x), Calabria, Juan Jose (1x), Abata Paspuel, Anderson Eduardo (1x), Gundrum, Andreas (1x), Kirschner, Gerhard Dr (1x), Konieczny, Arkadiusz (1x), Belter, Edmund (1x)

5.Bg5 — 0.1% (4 parties)

Ambassadeurs : Winther, Einar (1x), Pedersen, Einar (1x), Storkebaum, Karl-Heinrich, Dr. (1x), Lehmann, Ralf (1x), Colarina, Floram (1x), Perez, Dailos (1x), Nghiem To Han (1x), Lengyel, Bela (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Nf3	5.e3	5.a3	5.Bg5
<1800	177	85%	14%	1%	—
1800-2200	1261	89%	11%	—	0%
2200-2600	1387	93%	7%	—	0%
2600+	43	91%	9%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5.Nf3	5.e3	5.a3	5.Bg5
1950s	107	86%	14%	—	—
1960s	41	90%	10%	—	—
1970s	59	95%	5%	—	—
1980s	75	95%	5%	—	—
1990s	371	91%	8%	1%	1%
2000s	1005	89%	11%	0%	—
2010s	1326	91%	8%	0%	0%
2020s	306	89%	11%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Nf3	91%	89%	▼ -2.3%
5.e3	8%	11%	▲ +2.7%
5.a3	0%	0%	-0.2%
5.Bg5	0%	0%	-0.2%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 2 parties
Kasparov, Garry — 1 partie
Kramnik, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

5.Nf3 — 90.3% (2972 parties)

1950 — Zalys, Ignas vs Therien, Jules — 0-1 — Montreal CAN
1950 — Kottnauer, Cenek vs Dimitrov Petar — 1/2-1/2 — CSR-BUL Prague CZE
1950 — Kotov, Alexander vs Smyslov, Vasily — 0-1 — Budapest HUN
1950 — Platz, Hans vs Nuesken, Fritz — 0-1 — Soemmerda GER
1950 — Pachman, Ludek vs Castillo Bermudez, Manuel — 1/2-1/2 — Venice ITA

5.e3 — 9.3% (306 parties)

1950 — Ferrantes, Giovanni vs Giustolisi, Alberto — 0-1 — Venice ITA
1950 — Foster Ken vs Hanauer, Anthony — 0-1 — New York, NY USA
1950 — Zapata Vinces, Mario vs Rossetto, Hector — 1/2-1/2 — Olympiad Dubrovnik YUG
1951 — Muir, Walter G vs Sandrin, Adrien — 1-0 — Major League Invitational
1951 — Navarovszky, Laszlo vs Pogats, I — 1-0 — Budapest HUN

5.a3 — 0.2% (6 parties)

1992 — Calabria, Juan Jose vs Abata Paspuel, Anderson Eduardo — 1/2-1/2 — E Lansing ch-MI amateur
1998 — Caleiro, Alexandre vs Moreira, Jose Americo — 1-0 — Averio
2004 — Gundrum, Andreas vs Kirschner, Gerhard Dr — 0-1 — BdF
2009 — Konieczny, Arkadiusz vs Belter, Edmund — 1-0 — ICCF
2012 — Paseka, Christian vs Stary, Vladimir — 1/2-1/2 — Brno CZE

5.Bg5 — 0.1% (4 parties)

1992 — Winther, Einar vs Pedersen, Einar — 0-1 — Vadso
1997 — Storkebaum, Karl-Heinrich, Dr. vs Lehmann, Ralf — 0-1 — Darmstadt
2010 — Colarina, Floram vs Perez, Dailos — 0-1 — FICGS
2016 — Nghiem To Han vs Lengyel, Bela — 1/2-1/2 — Budapest HUN

Fin du contenu

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