E11f — Bogo-Indian: 4.Nbd2 O-O 5.a3 Bxd2+

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 O-O 5.a3 Bxd2+ * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e5, paire de fous.
Faiblesses adverses : Bc8 enfermé, bishop d2 en prise.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, arriéré b2, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : Bd2 actif, paire de fous.
Faiblesses adverses : arriéré b2, Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E11f —

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 O-O 5.a3 Bxd2+

Eval: [+0.35]

Les coups candidats

6.Bxd2 — 49.6% (803 parties)

Ambassadeurs : Rimkus, Bronius I (8x), Taimanov, Mark (7x), Cramling, Pia (7x), Gostisa, Leon (5x), Lputian, Smbat (5x), Andersson, Ulf (4x), Petrosian, Arshak B (4x), Nikolic, Predrag (4x)

6.Qxd2 — 47.8% (774 parties)

Ambassadeurs : Ilincic, Zlatko (7x), Liu, Yan (6x), Browne, Walter Shawn (5x), Rozentalis, Eduardas (5x), Paichadze, Luka (4x), Tratar, Marko (4x), Nikolov, Momchil (4x), Zochowski, Kacper (3x)

6.Nxd2 — 2.6% (42 parties)

Ambassadeurs : Bobotsov, Milko G (2x), Teske, Henrik (2x), Zamikhovsky, Abram (1x), Rosenkrantz, Karl W (1x), Samikhovsky, A. (1x), Budo, Alexander S (1x), Colle, Edgar (1x), Saemisch, Friedrich (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Bxd2	6.Qxd2	6.Nxd2
<1800	47	49%	45%	6%
1800-2200	436	55%	42%	4%
2200-2600	944	45%	53%	1%
2600+	38	47%	53%	—

Évolution par décennie (% des parties)

Décennie	N parties	6.Bxd2	6.Qxd2	6.Nxd2
1920s	2	—	50%	50%
1930s	2	—	—	100%
1940s	1	—	—	100%
1950s	3	67%	—	33%
1960s	19	58%	37%	5%
1970s	24	50%	50%	—
1980s	94	55%	44%	1%
1990s	211	69%	29%	2%
2000s	343	55%	42%	3%
2010s	668	43%	54%	3%
2020s	252	41%	58%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Bxd2	43%	41%	▼ -2.2%
6.Qxd2	54%	58%	▲ +3.9%
6.Nxd2	3%	1%	▼ -1.7%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 4 parties
Ding, Liren — 3 parties
Anand, Viswanathan — 1 partie
Hou, Yifan — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

6.Bxd2 — 49.6% (803 parties)

1958 — Beni, Alfred vs Rejfir, Josef — 1-0 — Munich GER
1959 — Ujtelky, Maximilian vs Olexa, Vilem — 1-0 — Bratislava SVK
1962 — Petrosian, Tigran A. vs Filip, Marius Liviu — 1/2-1/2 — Stockholm SWE
1962 — Soultanbeieff, Victor vs Boudelet, Georges — 1/2-1/2 — Brussels BEL
1964 — Campomanes, Florencio vs Fuchs, Reinhart — 0-1 — Tel Aviv ISR

6.Qxd2 — 47.8% (774 parties)

1926 — Gruenfeld, Ernst vs List, Paul — 0-1 — Berlin GER
1961 — Najdorf, Miguel vs Wexler, Bernardo — 1-0 — Mar del Plata ARG
1963 — Kortchnoi, V. vs Letelier, R. — 1-0 — Havana CUB
1968 — Malich, Burkhard, Dr. vs Havansi, Erkki E.T. — 1-0 — Lugano SUI
1968 — Uhlmann, Wolfgang vs Fuchs, Reinhart — 0-1 — East Berlin GER

6.Nxd2 — 2.6% (42 parties)

1925 — Colle, Edgar vs Saemisch, Friedrich — 0-1 — Baden-Baden GER
1931 — Zamikhovsky, Abram vs Rosenkrantz, Karl W — 1-0 — Moscow RUS
1931 — Samikhovsky, A. vs Budo, Alexander S — 1-0 — Moskou ch-URS
1945 — Milic, Borislav vs Kazic, Bozidar — 1-0 — Novi Sad SRB
1955 — Bobotsov, Milko G vs Ivanov, Pavlin Nikolay — 0-1 — Sofia BUL

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● b2	—
Chaînes	● b2→a3	● d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 0)
Bd2		● Bd2 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	3 (b8, c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1925 Baden-Baden – Round 1 – Colle, Edgar – 0-1 – Saemisch, Friedrich – G57 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Nxd2 d6 7. e3 e5 8. dxe5 dxe5 9. Qc2 Qe7 10. b3 c5
1926 Berlin – Round 1 – Gruenfeld, Ernst – 0-1 – List, Paul – G20 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Qxd2 b6 7. Qc2 Bb7 8. Bg5 d6 9. e3 Be4 10. Qc3 Nbd7
1945 Novi Sad – Round 22 – Milic, Borislav – 1-0 – Kazic, Bozidar – G207 1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Nxd2 d6 7. g3 e5 8. dxe5 dxe5 9. Bg2 c6 10. Qc2 Qe7
1958 Munich olm fin-A – Round 3 – Beni, Alfred – 1-0 – Rejfir, Josef – G18 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 d6 7. Qc2 Nc6 8. Bc3 Qe7 9. e3 e5 10. dxe5 Nxe5
1959 CSR Ch – Round 7 – Ujtelky, Maximilian – 1-0 – Olexa, Vilem – G54 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 Ne4 7. Bf4 d6 8. e3 b6 9. Bd3 Bb7 10. O-O Nd7
1960 Leipzig olm fin-A – Round 6 – Bobotsov, Milko G – 1/2-1/2 – Filip, Miroslav – G94 1. c4 e6 2. Nf3 Nf6 3. d4 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Nxd2 d6 7. e3 e5 8. dxe5 dxe5 9. Be2 a5 10. b3 Bf5
1961 Mar del Plata – Round 11 – Najdorf, Miguel – 1-0 – Wexler, Bernardo – G94 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Qxd2 b6 7. Qc2 Bb7 8. Bg5 d6 9. e3 Nbd7 10. Be2 h6
1962 Stockholm Interzonal – Round 6 – Petrosian, Tigran A. – 1/2-1/2 – Filip, Marius Liviu – G48 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 Ne4 7. Bf4 b6 8. g3 Bb7 9. Bg2 d6 10. Qc2 Qc8
1963 Capablanca Memorial – Round 17 – Kortchnoi, V. – 1-0 – Letelier, R. – G158 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Qxd2 d5 7. e3 b6 8. Qc2 Bb7 9. cxd5 Qxd5 10. b4 Rc8
1964 Budapest ch-HUN – Round 1 – Gasztonyi, Endre – 0-1 – Flesch, Jean-benoit – G62 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 d6 7. Qc2 Qe7 8. Bc3 Nbd7 9. e3 e5 10. dxe5 dxe5
1964 Tel Aviv olm fin-B – Round 4 – Campomanes, Florencio – 0-1 – Fuchs, Reinhart – G44 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 d6 7. g3 Nbd7 8. Bg2 e5 9. dxe5 dxe5 10. O-O Qe7
1966 La Habana olm fin-A – Round 9 – Uhlmann, Wolfgang – 1-0 – Pomar Salamanca, Arturo – G161 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 d6 7. Qc2 Qe7 8. Bc3 Nc6 9. e3 9. ... e5 10. d5 Nd8
1968 It Buesum GER – Round 15 – Pomar Salamanca, Arturo – 1/2-1/2 – Hecht, Hans-Joachim – G70 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 d6 7. Bg5 Nbd7 8. e3 Re8 9. Be2 e5 10. O-O Qe7
1968 Malaga – Round 9 – Marovic, Drazen – 1/2-1/2 – Damjanovic, Mato – G19 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 b6 7. Bg5 Bb7 8. e3 h6 9. Bh4 d6 10. Be2 Nbd7
1968 Memorial Em. Lasker – Round 1 – Uhlmann, Wolfgang – 0-1 – Fuchs, Reinhart – G7 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Qxd2 b6 7. e3 Bb7 8. b4 d6 9. Bb2 Nbd7 10. Be2 Ne4
1968 Varna – Round 6 – Peev, Peicho – 1/2-1/2 – Kolarov, Atanas Stefanov – G18 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 Ne4 7. Bf4 d6 8. e3 b6 9. Bd3 Bb7 10. O-O Nd7
1969 Praia da Rocha zt – Round ? – Bobotsov, Milko G – 0-1 – Mariotti, Sergio – G50 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Qxd2 b6 7. g3 Ba6 8. Qc2 d5 9. c5 Qe8 10. Bf4 Nc6
1969 Raach zt – Round ? – Uhlmann, Wolfgang – 1/2-1/2 – Andersson, Ulf 1949 – G189 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Qxd2 d6 7. e3 Qe7 8. b4 Nbd7 9. Bb2 b6 10. Be2 Bb7
1969 Schwerin – Round 8 – Golz, Werner – 1/2-1/2 – Fuchs, Reinhart – G65 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Qxd2 d6 7. b3 b6 8. g3 Bb7 9. Bg2 Nbd7 10. O-O c5
2024 Superbet Chess Blitz – Round 11 – Carlsen Magnus – 1-0 – Praggnanandhaa R – G53 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Qxd2 d5 7. e3 b6 8. b3 Bb7 9. Bb2 Nbd7 10. Be2 dxc4
2024 Superbet Chess Rapid – Round 2 – Shevchenko Kirill – 1-0 – Praggnanandhaa R – G10 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 d6 7. g3 Qe7 8. Bg2 e5 9. O-O Bg4 10. Nxe5 dxe5
3. ACP World Rapid Cup 2009 – Round 2.4 – Jakovenko, Dmitry – 1-0 – Naiditsch, Arkadij – G30 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Qxd2 b6 7. e3 Bb7 8. Be2 d6 9. O-O a5 10. b3 Nbd7
Horgen CS 1994 – Round 7 – Lutz, Cedric – 1/2-1/2 – Benjamin, Joel – G28 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 Ne4 7. g3 d6 8. Bg2 Nd7 9. Be3 f5 10. Qc2 Ndf6
Norway Chess 2024 - Round 6 - Firouzja, Alireza - 1-0 - Praggnanandhaa R - G23 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Qxd2 d5 7. e3 b6 8. b3 Bb7 9. Bb2 Nbd7 10. Be2 dxc4
World Blitz 2015 – Round 21.80 – Agdestein, Simen – 1-0 – Vogel, Roven – G1344 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Qxd2 b6 7. e3 Bb7 8. Be2 d6 9. O-O Nbd7 10. b4 Qe7
World Cup 1988 – Round 17 – Hjartarson, Johann – 1/2-1/2 – Andersson, Ulf 1949 – G125 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 Ne4 7. g3 Nxd2 8. Qxd2 d6 9. Bg2 Nc6 10. O-O 1/2-1/2
World Rapid 2021 – Round 8.26 – Matlakov, Maxim – 1-0 – Demidov, Mikhail – G461 1. d4 e6 2. Nf3 Nf6 3. c4 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Qxd2 Qe7 7. e3 d6 8. b4 a5 9. Bb2 axb4 10. axb4 Rxa1+

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