E11v — Bogo-Indian: Nimzowitsch, 5.g3 Nc6 Main Line, 8…O-O

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 Nc6 6.Bg2 Bxd2+ 7.Nbxd2 d6 8.O-O O-O * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Faiblesses adverses : Bc8 enfermé.
Problèmes : Bg2 enfermé.
Plans :
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Faiblesses adverses : Bg2 enfermé.
Problèmes : Bc8 enfermé.
Plans :
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)
● ...Bg4 — Clouer Nf3
● ...d5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E11v — Nimzowitsch Main Line

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 Nc6 6.Bg2 Bxd2+ 7.Nbxd2 d6 8.O-O O-O

Eval: [+0.25]

Les coups candidats

9.e4 — 78.2% (1136 parties)

Ambassadeurs : Hracek, Zbynek (10x), Kiik, Kalle (10x), Seirawan, Yasser (6x), Chloupek, Stanislav (6x), Loginov, Valery A (6x), Sjoberg, Mats (6x), Djuric, Stefan (5x), Hecht, Hans-Joachim (5x)

9.Qc2 — 7.4% (108 parties)

Ambassadeurs : Johansen, Darryl K (2x), Hase, Juan Carlos (2x), Stojanovic, Mih (2x), Bunzmann, Dimitrij (2x), Kopaev, Nikolay A (1x), Chekhover, Vitaly (1x), Rabar, Braslav (1x), Rellstab, Ludwig Sr (1x)

9.a3 — 4.7% (69 parties)

Ambassadeurs : Cianni, Pablo (2x), Krogius, Nikolai V (2x), Koller, Hans-Juergen (2x), Khotenashvili, Bella (2x), Gruenfeld, Ernst (1x), Boros, Sandor (1x), Kliewe, Hans-Juergen (1x), Trautmann, Bernhard (1x)

9.Rc1 — 3.3% (48 parties)

Ambassadeurs : Lobron, Eric (2x), Troitsky, PN. (1x), Kopaev, Nikolay A (1x), Rosselli del Turco, Stefano (1x), Henneberger, Walter (1x), Aratovsky, Nikolay (1x), Luik, Helmuth (1x), Visier Segovia, Fernando (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.e4	9.Qc2	9.a3	9.Rc1
<1800	23	74%	4%	9%	4%
1800-2200	425	71%	11%	7%	4%
2200-2600	814	82%	6%	3%	3%
2600+	20	90%	5%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.e4	9.Qc2	9.a3	9.Rc1
1920s	1	—	100%	—	—
1930s	8	38%	25%	12%	25%
1940s	14	79%	14%	—	—
1950s	12	92%	—	—	—
1960s	15	73%	13%	—	13%
1970s	20	80%	5%	5%	10%
1980s	127	88%	5%	1%	2%
1990s	296	81%	5%	6%	2%
2000s	348	80%	8%	2%	2%
2010s	508	75%	8%	7%	4%
2020s	104	67%	12%	4%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.e4	75%	67%	▼ -8.1%
9.Qc2	8%	12%	▲ +4.6%
9.a3	7%	4%	▼ -3.4%
9.Rc1	4%	4%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 2 parties
Karpov, Anatoly — 2 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Hou, Yifan — 1 partie
Gukesh D — 1 partie

Parties historiques

9.e4 — 78.2% (1136 parties)

1938 — Euwe, Max vs Flohr, Salo — 1-0 — Amsterdam NED
1938 — Pirc, Vasja vs Trifunovic, Petar — 1/2-1/2 — Ljubljana
1939 — Euwe, Max vs Flohr, Dennis — 1/2-1/2 — Bournemouth
1945 — Opocensky, Karel vs Trifunovic, Petar — 0-1 — Zlin CZE
1945 — Budo, Alexander Semenovich vs Baturinsky, Victor — 1/2-1/2 — Moscow RUS

9.Qc2 — 7.4% (108 parties)

1925 — Sarkozy, Balazs vs Rethy, Pal — 0-1 — Debrecen HUN
1935 — Becker, Albert vs Henneberger, Walter — 1-0 — ?
1938 — Kopaev, Nikolay A vs Chekhover, Vitaly — 0-1 — Leningrad RUS
1942 — Rabar, Braslav vs Rellstab, Ludwig Sr — 1/2-1/2 — Munich GER
1946 — Sagoriansky vs Keres, P. — 0-1 — Tbilisi GEO

9.a3 — 4.7% (69 parties)

1930 — Gruenfeld, Ernst vs Boros, Sandor — 1/2-1/2 — Gyor
1976 — Behrens, Harald vs Fette, Martin — 1-0 — Luebeck GER
1989 — Kliewe, Hans-Juergen vs Trautmann, Bernhard — 0-1 — corr ch-DDR district
1990 — Florijan, Rodolphe vs Kosanovic, Dragan — 1-0 — Pula CRO
1991 — Krajina, Ales vs Splichal, Stanislav — 1-0 — CSR MSL

9.Rc1 — 3.3% (48 parties)

1938 — Troitsky, PN. vs Kopaev, Nikolay A — 1-0 — Leningrad RUS
1938 — Rosselli del Turco, Stefano vs Henneberger, Walter — 0-1 — Lausanne SUI
1965 — Aratovsky, Nikolay vs Luik, Helmuth — 1-0 — cr.
1969 — Visier Segovia, Fernando vs Mariotti, Sergio — 0-1 — Praia da Rocha
1972 — Foguelman vs Debarnot, Roberto — 1-0 — Buenos Aires ch-ARG

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● c7→d6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	—	● d5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bg2	● Bg2 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	Non	Non
Non développées	1 (a1)	2 (c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …d6-d5, ● …e6-e5

Partie
1930 Gyor – Round 1 – Gruenfeld, Ernst – 1/2-1/2 – Boros, Sandor – G9 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 Bxd2+ 6. Nbxd2 d6 7. Bg2 O-O 8. O-O Nc6 9. a3 e5 10. d5 Nd8
1938 It AVRO – Round 1 – Euwe, Max – 1-0 – Flohr, Salo – G3 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1938 Ljubljana – Round 2 – Pirc, Vasja – 1/2-1/2 – Trifunovic, Petar – G24 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. e4 e5 10. d5 Nd8
1938 Trade Unions – Round 2 – Kopaev, Nikolay A – 0-1 – Chekhover, Vitaly – G25 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. Nf3 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. Qc2 e5 10. e3 Bg4
1938 Trade Unions – Round 7 – Troitsky, PN. – 1-0 – Kopaev, Nikolay A – G58 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. Nf3 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. Rc1 e5 10. d5 Nb8
1942 Munich – Round 11 – Rabar, Braslav – 1/2-1/2 – Rellstab, Ludwig Sr – G67 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Bxd2+ 5. Nxd2 Nc6 6. Ngf3 d6 7. Bg2 O-O 8. O-O Qe7 9. Qc2 e5 10. d5 Nb8
1946 Treybal Memorial – Round 13 – Pachman, Ludek – 0-1 – Gligorić, Svetozar – G68 1. c4 e6 2. Nf3 Nf6 3. d4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. e4 a5 10. Re1 e5
1947 Moscow Ch – Round 1 – Kan, Ilya A – 1/2-1/2 – Liublinsky, Victor – G37 1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1947 URS-ch15 – Round 17 – Kan, Ilya A – 1/2-1/2 – Keres, Paul Petrovich – G15 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1947 Yugoslavia Ch – Round 6 – Tot, Bora – 0-1 – Pirc, Vasja – G31 1. Nf3 Nf6 2. c4 e6 3. d4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. Nb3 a5 10. Re1 e5
1948 Moskou ch-URS – Round 12 – Tolush, Alexander – 1/2-1/2 – Keres, Paul Petrovich – G104 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. Nf3 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1948 Saltsjobaden Interzonal – Round 3 – Lundin, Erik – 1/2-1/2 – Pirc, Vasja – G19 1. c4 e6 2. Nf3 Nf6 3. d4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1948 URS-ch16 – Round 2 – Tolush, Alexander V – 1/2-1/2 – Keres, Paul – G3 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. Nf3 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. e4 e5 10. d5 Nb8
1951 Mar del Plata zt – Round 12 – Maderna, Carlos – 0-1 – Vasconcellos, Fernando O – G117 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. e4 e5 10. d5 Nd8
1952 Saltsjobaden Interzonal – Round 4 – Unzicker, Wolfgang – 1/2-1/2 – Petrosian, Tigran V – G36 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1954 Anderson-Fuster m – Round 5 – Fuster, Geza – 1/2-1/2 – Anderson, Frank Ross – G5 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. e4 a5 10. h3 e5
1954 Anderson-Fuster m – Round 9 – Fuster, Geza – 1/2-1/2 – Anderson, Frank Ross – G9 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1954 Olympiad prel II – Round 1 – Bolbochan, J. – 1-0 – Anderson, Frank Ross – G9 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1954 Zuerich – Round 1 – Szabados, Eugenio – 1/2-1/2 – Grob, Henry – G2 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Nc6 7. O-O Bxd2 8. Nbxd2 d6 9. e4 e5 10. d5 Nd8
1955 Moscow m – Round 10 – Kan, Ilya A – 1/2-1/2 – Khachaturov, Andrey Andreevich – G10 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1958 Munich olm fin-A – Round 10 – Ivkov, Borislav – 1-0 – Eliskases, Erich – G56 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. e4 a5 10. Qc2 e5
1958 Munich olm prel – Round 3 – Donner, Jan-Hein – 1/2-1/2 – Dueckstein, Andreas – G24 1. d4 e6 2. Nf3 Nf6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. e4 e5 10. d5 Nb8
1962 Mar del Plata – Round 15 – Polugaevsky, Lev – 1/2-1/2 – Parma, Bruno – G125 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. Qc2 e5 10. d5 Nb8
1962 Varna olm – Round 8 – Langeweg, Kick – 1/2-1/2 – Parma, Bruno – G190 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1962 Vrnjacka Banja – Round 2 – Sofrevski, Jovan – 1-0 – Ankerst, Mihael – G25 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1963 Capablanca Memorial – Round 2 – O'Kelly, Albéric de Galway – 1/2-1/2 – Barcza, Gedeon – G13 1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. Nf3 Nf6 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1963 YUG Ch 19th – Round 7 – Krzisnik, Zvonko – 1/2-1/2 – Parma, Bruno – G25 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1965 Budapest2 – Round 6 – Lengyel, Levente – 1/2-1/2 – Haag, Ervin – G32 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1966 La Habana olm fin-A – Round 5 – Portisch, Lajos – 1/2-1/2 – Pachman, Ludek – G14 1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. Nf3 Nf6 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
1967 HUN Ch – Round 6 – Bokor, Istvan – 1-0 – Barcza, Gedeon – G15 1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. g3 Nc6 5. Nf3 Nf6 6. Bg2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. e4 e5 10. d5 Nd8
Amber-rapid 5th 1996 – Round 4 – Lautier, Joel – 1/2-1/2 – Anand, Viswanathan – G14 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. e4 a5 10. Qb3 e5
Las Palmas 1975 – Round 4 – Petrosian, Tigran V. – 1/2-1/2 – Tal, Mikhail – G10 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
World Cup 1988 – Round ? – Korchnoi, Viktor – 0-1 – Seirawan, Yasser – G98 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. Nf3 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
World Cup 1988 – Round 1 – Speelman, Jon S – 1/2-1/2 – Seirawan, Yasser – G42 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8
Yerevan ol (Men) 1996 – Round 8 – Sadler, Matthew D – 1-0 – Hulak, Krunoslav – G111 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 O-O 8. O-O d6 9. e4 a5 10. h3 e5

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