E11b — Bogo-Indian: 4.Nbd2 d5

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 d5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e5, paire de fous.
Faiblesses adverses : Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 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 : case forte e4, Bb4 actif, paire de fous.
Faiblesses adverses : 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, ...Bg4, ...Bf5)
● ...Nbd7 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E11b —

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 d5

Eval: [+0.48]

Les coups candidats

5.Qa4+ — 41.5% (1014 parties)

Ambassadeurs : Miezis, Normunds (14x), Kurajica, Bojan (12x), Galego, Luis (12x), Eperjesi, Laszlo Dr. (9x), Browne, Walter Shawn (8x), Ftacnik, Lubomir (8x), Rashkovsky, Nukhim N (8x), Nikolic, Predrag (8x)

5.e3 — 27.6% (673 parties)

Ambassadeurs : Gipslis, Aivars (14x), Ivkov, Borislav (9x), Uhlmann, Wolfgang (8x), Rashkovsky, Nukhim N (7x), Parma, Bruno (6x), Antoshin, Vladimir S (5x), Jussupow, Artur (5x), Neamtu, Serban-Constantin (4x)

5.a3 — 22.2% (542 parties)

Ambassadeurs : Cebalo, Miso (6x), Kurajica, Bojan (6x), Rashkovsky, Nukhim N (5x), Galego, Luis (5x), Grivas, Efstratios (5x), Yermolinsky, Alex (4x), Keres, Paul Petrovich (3x), Gambirazio Rohde, Mariano (3x)

5.g3 — 5.1% (125 parties)

Ambassadeurs : Kozul, Zdenko (7x), Galego, Luis (4x), Kurajica, Bojan (3x), Mikhalevski, Alexander (3x), Neukirch, Detlef (2x), Knezevic, Milorad (2x), Alburt, Lev (2x), Kudela, Stanislav (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Qa4+	5.e3	5.a3	5.g3
<1800	34	35%	29%	21%	6%
1800-2200	481	38%	32%	21%	6%
2200-2600	1522	45%	23%	23%	6%
2600+	70	60%	23%	14%	—

Évolution par décennie (% des parties)

Décennie	N parties	5.Qa4+	5.e3	5.a3	5.g3
1920s	2	50%	50%	—	—
1930s	10	20%	60%	20%	—
1940s	7	—	57%	43%	—
1950s	16	19%	50%	19%	—
1960s	120	9%	69%	16%	2%
1970s	61	16%	57%	20%	2%
1980s	233	41%	35%	20%	2%
1990s	375	39%	23%	25%	7%
2000s	542	39%	25%	28%	5%
2010s	782	47%	23%	20%	6%
2020s	293	56%	18%	17%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Qa4+	47%	56%	▲ +8.9%
5.e3	23%	18%	▼ -5.5%
5.a3	20%	17%	▼ -3.4%
5.g3	6%	7%	▲ +0.9%

Joueurs célèbres

Champions du monde dans cette position

Gukesh D — 4 parties
Karpov, Anatoly — 3 parties
Tal, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Anand, Viswanathan — 2 parties
Smyslov, Vladimir — 1 partie

Parties historiques

5.Qa4+ — 41.5% (1014 parties)

1926 — Teller, Alfred vs King, Eduard Norman — 1-0 — Hastings ENG
1935 — Soerensen, Ernst vs Krogius, Ragnar — 1-0 — ?
1938 — Capablanca, Jose vs Corzo y Principe, Juan — 1/2-1/2 — Havana CUB
1950 — Lachmann, Hans G vs De Meyer, Alexander — 0-1 — Bielefeld
1953 — Eliskases, Erich vs Alvarez Martin, Pedro — 1/2-1/2 — Bariloche

5.e3 — 27.6% (673 parties)

1929 — Vajda, Albert vs Canal, Esteban — 1/2-1/2 — Budapest HUN
1934 — Flohr, Salo vs Becker, Albert — 1-0 — Bad Liebenwerda
1935 — Bogoljubow, Efim vs Ahues, Carl — 1-0 — Bad Nauheim
1936 — Bohosiewicz P vs Arnlaugsson, Gudmundur — 1-0 — Munich GER
1937 — Szabo, Ladislav vs Fuster, Geza — 1-0 — Budapest HUN

5.a3 — 22.2% (542 parties)

1930 — Hoenlinger, Baldur vs Gonzalez Klein, Alberto — 1/2-1/2 — Gyor
1934 — Bogoljubow, Efim vs Johner, Hans — 1-0 — Zurich SUI
1947 — Goldenov, Boris P vs Keres, Paul — 0-1 — Leningrad ch-URS
1947 — Goldenow vs Keres, Paul Petrovich — 0-1 — Leningrad RUS
1949 — Witkowski, Stanislaw vs Unzicker, Wolfgang — 0-1 — Heidelberg GER

5.g3 — 5.1% (125 parties)

1968 — Moehring, Guenther vs Fuchs, Reinhart — 1/2-1/2 — Weimar GER
1968 — Jongsma, Alexander vs Langeweg, Kick — 0-1 — The Hague NED
1974 — Heinig, Wolfram, Dr. vs Neukirch, Detlef — 0-1 — Potsdam GER
1984 — Petursson, Margeir vs Knezevic, Milorad — 1/2-1/2 — Neskaupstad
1984 — Alburt, Lev vs Ginsburg, Mark — 1-0 — USA

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

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Clouages	● knight d2	—
Non développées	4 (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
1929 Budapest HUN – Round 1 – Vajda, Albert – 1/2-1/2 – Canal, Esteban – G8 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. Bd3 Nbd7 7. Qc2 dxc4 8. Qxc4 Bd6 9. Ne4 Nxe4 10. Bxe4 e5
1930 Gyor – Round 1 – Hoenlinger, Baldur – 1/2-1/2 – Gonzalez Klein, Alberto – G6 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. c5 a5 7. Rb1 a4 8. e3 O-O 9. Ne5 Nfd7 10. Nxd7 Bxd7
1934 Bad Liebenwerda – Round 2 – Flohr, Salo – 1-0 – Becker, Albert – G6 1. d4 e6 2. c4 Bb4+ 3. Nd2 Nf6 4. Nf3 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. O-O Nbd7 9. b3 Bb7 10. Bb2 Rc8
1934 Zuerich – Round 1 – Bogoljubow, Efim – 1-0 – Johner, Hans – G51 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Bxd2+ 6. Nxd2 Nbd7 7. cxd5 exd5 8. g3 O-O 9. Bg2 Re8 10. O-O c6
1935 Bad Nauheim – Round 2 – Bogoljubow, Efim – 1-0 – Ahues, Carl – G9 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 c6 6. Bd3 Nbd7 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Be7
1940 Rakovnik – Round 9 – Foltys, Jan – 1/2-1/2 – Zíta, František – G49 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. Bd3 dxc4 7. Bxc4 c5 8. a3 Bxd2+ 9. Qxd2 cxd4 10. Qxd4 Qxd4
1946 Augsburg 1st – Round 8 – Saemisch, Friedrich – 1/2-1/2 – Ozols, Karlis – G15 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. b3 Nbd7 8. Bb2 c5 9. Bd3 b6 10. O-O Bb7
1947 Leningrad ch-URS – Round 13 – Goldenov, Boris P – 0-1 – Keres, Paul – G123 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. Qc2 b6 7. e4 dxe4 8. Nxe4 Bb7 9. Bd3 c5 10. dxc5 bxc5
1949 Oldenburg – Round 10 – Bogoljubow, Efim – 0-1 – Sarapuu, Ortwin – G22 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 Nbd7 8. c5 c6 9. Qc2 Re8 10. b4 Qc7
1949 Oldenburg – Round 7 – Heinicke, Herbert – 1-0 – Sarapuu, Ortwin – G23 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 d5 5. e3 c5 6. a3 Bxd2+ 7. Bxd2 cxd4 8. exd4 Nc6 9. c5 e5 10. dxe5 Qe7
1950 OWL Ch – Round 5 – Lachmann, Hans G – 0-1 – De Meyer, Alexander – G13 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. e3 Bd7 7. Qb3 a5 8. Bd3 O-O 9. O-O Qe8 10. Rd1 Nxd4
1953 Bariloche – Round 2 – Eliskases, Erich – 1/2-1/2 – Alvarez Martin, Pedro – G20 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. e3 O-O 7. Bd3 dxc4 8. Bxc4 Bd6 9. O-O e5 10. dxe5 Nxe5
1953 Wenen AUT-URS – Round 1.8 – Simagin, Vladimir – 1/2-1/2 – Dorn, Max – G5 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. Be2 c5 7. O-O cxd4 8. Nxd4 Nc6 9. Nxc6 bxc6 10. b3 Qa5
1957 Minsk zt – Round 6 – Vistaneckis, Isakas – 1/2-1/2 – Sokolsky, Alexey – G41 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. O-O c5 9. b3 cxd4 10. exd4 Nc6
1957 San Benedetto – Round 7 – Gereben, Erno – 1/2-1/2 – Mueller, Hans – G33 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. c5 c6 6. a3 Ba5 7. b4 Bc7 8. Bb2 Nbd7 9. e3 O-O 10. Ne5 Nxe5
1958 Kiev Ch – Round 12 – Zamikhovsky, Abram – 1/2-1/2 – Poliak, Evsey – G57 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 c5 8. O-O Nc6 9. dxc5 Bxc5 10. b4 Be7
1958 Munich olm prel – Round 3 – Fairhurst, William – 0-1 – Sliwa, Bogdan – G26 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. Ne5 Bd7 7. Nxc6 Bxd2+ 8. Bxd2 Bxc6 9. Qc2 Ne4 10. Be3 dxc4
1958 Portoroz Interzonal – Round 4 – Fuster, Geza – 0-1 – Averbakh, Yuri L – G34 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qc2 Nbd7 6. g3 dxc4 7. Qxc4 a5 8. Bg2 O-O 9. Qc2 Nb6 10. O-O Bd7
1959 Argentina – Round 13 – Fenoglio, Virgilio – 0-1 – Espinosa Flores, Rafael Emilio – G68 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 a5 8. O-O Nbd7 9. b3 c5 10. Bb2 b6
1959 Cerveny Kostelec – Round ? – Jansa, Vlastimil – 1-0 – Rejfir, Josef – G16 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. Bd3 dxc4 7. Bxc4 b6 8. O-O Bb7 9. b3 Nbd7 10. Bb2 Qe7
1960 Leipzig olm fin-A – Round 3 – Minev, Nikolay N – 0-1 – Weinstein, Raymond – G3 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 c5 8. dxc5 Bxc5 9. O-O Nc6 10. b4 Bd6
1961 Bled – Round 11 – Najdorf, Miguel – 1/2-1/2 – Parma, Bruno – G102 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 c5 8. dxc5 Bxc5 9. b4 Be7 10. Bb2 a5
1961 Bucharest GMT 5th – Round 2 – Marsalek, Josef – 0-1 – Mititelu, Gheorghe – G6 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. Qc2 Bb7 9. b3 Nbd7 10. Bb2 g6
1961 Marianske Lazne zt – Round 11 – Filip, Marius Liviu – 1-0 – Sliwa, Bogdan – G76 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. Bd3 dxc4 7. Bxc4 Nbd7 8. O-O Bd6 9. e4 e5 10. Re1 c5
1961 ROM Ch – Round 15 – Ghitescu, Theodor – 1-0 – Szabo, Iuliu inactive – G97 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 Nbd7 8. b4 b6 9. Bb2 c5 10. dxc5 bxc5
1961 Wch U20 fin-A – Round 7 – Gheorghiu, Florin – 1-0 – Kinnmark, Ove – G17 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. Qc2 c6 7. Bd3 Nbd7 8. O-O Bd6 9. e4 dxe4 10. Nxe4 Nxe4
1962 Hoogovens-B2 – Round 4 – Wade, Robert G – 0-1 – Parma, Bruno – G5 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. e4 dxe4 9. Nxe4 Bb7 10. Qe2 Nbd7
1962 Poznan ch POL – Round 11 – Balcerowski, Witold – 1/2-1/2 – Sliwa, Bogdan – G69 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. Bd3 dxc4 7. Bxc4 Nc6 8. O-O Bd6 9. Bb5 Bd7 10. e4 Bf4
1962 Varna olm – Round 5 – Minev, Nikolay N – 1-0 – Baeza Gebauer, Hector Matias – G222 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 Nbd7 8. O-O c5 9. b3 b6 10. Bb2 Bb7
1962 Zuerich – Round 9 – Jakobsen, Ole – 1-0 – Gebauer, Peter – G13 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 c5 8. dxc5 Bxc5 9. O-O Nc6 10. b4 Be7
1963 Capablanca Memorial – Round 7 – Pachman, Ludek – 1-0 – Ivkov, Borislav – G61 1. d4 e6 2. c4 Nf6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. b3 c5 7. Bb2 Nc6 8. dxc5 dxc4 9. Bxc4 Na5 10. Qc2 Qe7
1963 Halle zt – Round 1 – Malich, Burkhard, Dr. – 1/2-1/2 – Ivkov, Borislav – G40 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. O-O c5 9. b3 Bb7 10. Bb2 Nbd7
1963 Halle zt – Round 1 – Uhlmann, Wolfgang – 1-0 – Kanko, Ilkka – G41 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. b3 b6 7. Bd3 Bb7 8. O-O Nbd7 9. Bb2 Ne4 10. Rc1 Ndf6
1963 Halle zt – Round 1 – Uhlmann, Wolfgang – 1/2-1/2 – Larsen, Benjamin Holsko – G39 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. Bd3 dxc4 7. Bxc4 Nc6 8. O-O Qe7 9. a3 Bd6 10. Bb5 Bd7
1963 JUG-URS – Round 1 – Stein, Leonid – 1-0 – Matanovic, Aleksandar – G5 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qb3 a5 6. e3 O-O 7. Be2 Nbd7 8. O-O c6 9. Qc2 b6 10. e4 Bxd2
1964 Belgrade – Round 1 – Szabo, Laszlo – 1-0 – Parma, Bruno – G5 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. Bd3 dxc4 7. Bxc4 Nc6 8. O-O Bd6 9. Bb5 Bd7 10. e4 Bf4
1964 Capablanca Memorial – Round 8 – Padevsky, Nikola – 1/2-1/2 – Bielicki, Carlos – G79 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. b3 b6 7. Bb2 Bb7 8. Bd3 Nbd7 9. O-O Ne4 10. Rc1 Bd6
1964 Hoogovens – Round 1 – Van Scheltinga, Theo – 1/2-1/2 – Parma, Bruno – G18 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. e4 dxe4 9. Nxe4 Bb7 10. Qc2 Nbd7
1964 Kiev ch-URS – Round 1 – Osnos, Viatcheslav – 1/2-1/2 – Goldenov, Boris P – G54 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. Bd3 dxc4 7. Bxc4 c5 8. dxc5 Bxc5 9. O-O a6 10. e4 b5
1964 Magdeburg ch DDR – Round 14 – Malich, Burkhard, Dr. – 1/2-1/2 – Neukirch, Detlef – G35 1. Nf3 Nf6 2. c4 e6 3. d4 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. Bd3 dxc4 7. Bxc4 c5 8. O-O Nc6 9. Nb3 cxd4 10. exd4 b6
1964 Zagreb – Round 11 – Bertok, Mario Jr. – 1/2-1/2 – Damjanovic, Mato – G58 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 c5 8. b3 Nc6 9. Bb2 b6 10. O-O Bb7
1965 Marianske Lazne – Round 15 – Keres, Paul – 1-0 – Fuchs, Reinhart – G68 1. c4 Nf6 2. Nf3 e6 3. d4 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. e3 O-O 7. Bd3 Nbd7 8. b4 a5 9. bxa5 Rxa5 10. O-O b6
1965 Pardubice – Round 5 – Alster, Ladislav – 1-0 – Vesely, Jiri – G44 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Bxd2+ 6. Bxd2 dxc4 7. Qa4+ Bd7 8. Qxc4 Bc6 9. Rc1 Nbd7 10. Bg5 h6
1966 Bucharest Bucharest ROM – Round 4 – Neamtu, Serban-Constantin – 1/2-1/2 – Kolarov, Atanas S. – G9 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 c5 8. dxc5 Bxc5 9. b4 Be7 10. Bb2 a5
1966 Bucharest Bucharest ROM – Round 9 – Soos, Bela – 1/2-1/2 – Kolarov, Atanas S. – G22 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. O-O c5 9. b3 Nc6 10. Bb2 Bb7
1966 La Habana olm fin-A – Round 1 – Ivkov, Borislav – 1-0 – Fuchs, Reinhart – G7 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. O-O c5 9. b3 cxd4 10. exd4 Bb7
1966 La Habana olm fin-A – Round 2 – Brinck-Claussen, Bjorn – 1-0 – Acevedo Ortega, Rodrigo Andres – G26 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. g3 O-O 7. Bg2 c5 8. dxc5 Bxc5 9. b4 Be7 10. Bb2 a5
1966 Rubinstein Memorial 04th – Round 12 – Kluger, Gyula – 1-0 – Smederevac, Petar – G67 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. Qc2 b6 7. e4 dxe4 8. Nxe4 Bb7 9. Bd3 Nbd7 10. Bf4 O-O
1966 Tbilisi ch-URS – Round 3 – Gufeld, Eduard – 0-1 – Gipslis, Aivars – G27 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. e4 dxe4 9. Nxe4 Bb7 10. Qc2 Nbd7
1966 Zinnowitz – Round 13 – Uhlmann, Wolfgang – 0-1 – Antoshin, Vladimir S – G27 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. b3 Bb7 9. Bb2 Nbd7 10. O-O c5
1967 Capablanca Memorial – Round 16 – Filip, Marius Liviu – 1/2-1/2 – Smyslov, Vladimir – G140 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 Nbd7 8. b4 a5 9. b5 c5 10. bxc6 bxc6
1967 DSV-Turnier – Round 12 – Uhlmann, Wolfgang – 1/2-1/2 – Tukmakov, Vladimir B – G70 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 Nbd7 8. O-O c5 9. cxd5 Nxd5 10. Qc2 g6
1967 DSV-Turnier – Round 8 – Bukic, Enver – 0-1 – Sliwa, Bogdan – G46 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 Nbd7 8. O-O c5 9. b3 cxd4 10. exd4 b6
1967 Halle zt – Round 19 – Uhlmann, Wolfgang – 1/2-1/2 – Matulovic, Milan – G91 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Bxd2+ 7. Qxd2 b6 8. b3 Bb7 9. Bb2 c5 10. cxd5 Bxd5
1967 Moscow – Round ? – Najdorf, Miguel – 1/2-1/2 – Gipslis, Aivars – G156 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. b3 c5 9. Bb2 cxd4 10. exd4 Bb7
1967 Moscow RUS – Round 17 – Petrosian, Tigran A. – 1/2-1/2 – Gipslis, Aivars – G33 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Be7 7. e3 Bd7 8. Qc2 O-O 9. b3 a5 10. Bb2 Na7
1967 Oxford ch-BCF – Round 1 – Parr, Frank – 0-1 – Gilbert, Christophe – G8 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. Qc2 Nbd7 7. e3 O-O 8. Bd3 Re8 9. O-O c6 10. Ne5 g6
1967 Palma de Mallorca – Round 8 – Toran Albero, Roman – 1-0 – O'Kelly, Albéric de Galway – G55 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. e3 O-O 7. Bd3 c5 8. dxc5 Bxc5 9. O-O a5 10. b3 Nc6
1967 Sousse Interzonal – Round 15 – Ivkov, Borislav – 1-0 – Korchnoi, Viktor – G136 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. b3 b6 8. Bb2 Bb7 9. Bd3 c5 10. O-O cxd4
1967 URS Team Ch – Round 1 – Antoshin, Vladimir S – 1/2-1/2 – Vistaneckis, Isakas – G51 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Bxd2+ 7. Qxd2 b6 8. b3 Nbd7 9. Bd3 Bb7 10. Bb2 c5
1967 YUG-URS – Round 7 – Bukic, Enver – 1/2-1/2 – Gipslis, Aivars – G21 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. O-O c5 9. b3 cxd4 10. Nxd4 Bb7
1968 Bristol ch-BCF – Round 8 – Botterill, George S. – 1/2-1/2 – Cafferty, Bernard – G87 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. g3 O-O 7. Bg2 Nbd7 8. O-O b6 9. cxd5 exd5 10. b4 Bd6
1968 Corr – Round ? – Kuuskmaa, Endel R – 1/2-1/2 – Konstantinopolsky, Alexander – G3 1. d4 e6 2. c4 Bb4+ 3. Nd2 Nf6 4. Nf3 d5 5. a3 Be7 6. e3 O-O 7. Bd3 b6 8. e4 dxe4 9. Nxe4 Nbd7 10. Qc2 Bb7
1968 DDR Ch 17th – Round 4 – Golz, Werner – 1/2-1/2 – Fuchs, Reinhart – G16 1. c4 Nf6 2. d4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Be2 b6 8. O-O Nbd7 9. b3 Bb7 10. Bb2 c5
1968 DDR Ch 17th – Round 6 – Moehring, Guenther – 1/2-1/2 – Fuchs, Reinhart – G23 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. g3 O-O 6. Bg2 dxc4 7. Qc2 c5 8. dxc5 Nc6 9. O-O Bxc5 10. Nxc4 Qe7
1968 Hoogovens – Round 2 – Bobotsov, Milko G – 1/2-1/2 – Ivkov, Borislav – G29 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. O-O c5 9. b3 cxd4 10. exd4 Bb7
1968 It Buesum GER – Round 12 – Pollak, Georg – 1/2-1/2 – Kolarov, Atanas S. – G55 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Be7 7. e3 O-O 8. Qc2 Bd7 9. b3 Ne8 10. e4 dxe4
1968 JUG-23ch – Round 10 – Krzisnik, Rok – 1/2-1/2 – Bradvarevic, Aleksandar – G6 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qc2 dxc4 6. Qxc4 Nc6 7. a3 Bd6 8. b4 e5 9. d5 Ne7 10. e4 c6
1968 JUG-23ch – Round 6 – Vukic, Aleksandar – 1-0 – Bradvarevic, Aleksandar – G2 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. O-O c5 9. b3 cxd4 10. exd4 Bb7
1968 Lugano SUI – Round 6 – Adamski, Jan – 1-0 – Day, Lawrence A. – G83 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. b4 b6 8. Bb2 Bb7 9. Bd3 Nbd7 10. O-O c5
1968 Reykjavik – Round 1 – Uhlmann, Wolfgang – 1/2-1/2 – Ostojic, Predrag – G29 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Be7 7. e3 Bd7 8. Qc2 a5 9. b3 O-O 10. Bd3 h6
1968 ROM Ch – Round 10 – Ungureanu, Emil – 1-0 – Buza, Adrian – G56 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. b4 c5 9. cxd5 cxd4 10. Nxd4 Qxd5
1968 The Hague – Round 2 – Jongsma, Alexander – 0-1 – Langeweg, Kick – G6 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. g3 dxc4 6. Qa4+ Nc6 7. a3 Bxd2+ 8. Bxd2 Qd5 9. Bg2 Bd7 10. Rc1 b5
1968 Yugoslavia – Round 1 – Vukic, Maroje – 1-0 – Bradvarevic, Aleksandar – G7 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. O-O c5 9. b3 cxd4 10. exd4 Bb7
1969 Athens zt – Round 10 – Gheorghiu, Florin – 1-0 – Wright Samuels, James – G51 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. e3 Bd7 7. Qc2 a5 8. Bd3 Bd6 9. a3 e5 10. cxd5 Nxd5
1969 Moskou ch-URS – Round 1 – Zaitsev, Alexander – 0-1 – Gipslis, Aivars – G56 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 b6 8. b4 c5 9. dxc5 bxc5 10. b5 a6
1969 Moskou ch-URS – Round 20 – Stein, Leon Rico – 1/2-1/2 – Gipslis, Aivars – G228 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qc2 O-O 6. g3 c5 7. dxc5 Bxc5 8. Bg2 Nc6 9. O-O Be7 10. cxd5 Qxd5
1969 Sweden – Round 1 – Ljungquist, Lennart – 1/2-1/2 – Kinnmark, Ove – G17 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. Ne5 Bd7 7. Nxd7 Qxd7 8. e3 Ne4 9. c5 Nxd2 10. Bxd2 Bxd2+
1975 URS Team Ch – Round 4 – Lputian, Smbat G – 1-0 – Ballyev – G157 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. Bd3 Nbd7 7. O-O c5 8. Qe2 cxd4 9. exd4 Re8 10. Ne5 Nf8
22. ECU Club Cup 2006 – Round 3 – Prusikin, Michael – 1/2-1/2 – Korchnoi, Viktor – G54 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. g3 a5 7. Bg2 Nbd7 8. O-O O-O 9. b3 c5 10. Bb2 b6
40. Olympiad Open 2012 – Round 10.7 – Gustafsson, Jan – 1-0 – Stupak, Kirill – G573 1. d4 e6 2. c4 Bb4+ 3. Nd2 d5 4. Nf3 Nf6 5. Qa4+ Nc6 6. a3 Bxd2+ 7. Bxd2 Ne4 8. Rd1 Nxd2 9. Rxd2 O-O 10. e3 Ne7
41. Olympiad Open 2014 – Round 6.19 – Wojtaszek, Radoslaw – 1/2-1/2 – Granda Zuniga, Julio E – G420 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Be7 7. e3 O-O 8. Qc2 a5 9. b3 Nb8 10. Bb2 b6
42. Olympiad 2016 – Round 6.19 – Anton Guijarro, David – 1-0 – Galego, Luis – G411 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. e3 O-O 7. a3 Bxd2+ 8. Bxd2 Ne4 9. Qc2 Nxd2 10. Qxd2 a5
43. Olympiad 2018 – Round 8.31 – Kovalenko, Igor – 1-0 – Al-Ali, Hussein Ali Hussein – G532 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Bxd2+ 7. Bxd2 Ne4 8. Rd1 O-O 9. e3 Bd7 10. Qc2 a5
Armageddon Grand Finale L 2023 – Round 2.2 – Gukesh D – 0-1 – Rapport, Richard – G9 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. b3 b6 8. Bb2 Bb7 9. Bd3 dxc4 10. bxc4 c5
Candidats m4 1988 – Round 6 – Timman, Jan H – 1-0 – Salov, Valery – G4 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Bxd2+ 7. Bxd2 Ne4 8. Qc2 a5 9. e3 O-O 10. Bd3 f5
FIDE Grand Swiss 2025 – Round 6 – Predke Alexandr – 1-0 – Kollars Dmitrij – G334 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. b3 b6 8. Bb2 Bb7 9. cxd5 exd5 10. Bd3 Nbd7
FIDE World Blitz Championship 2025 – Round 1 – Can Emre – 0-1 – Abdusattorov Nodirbek – G7 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Be7 7. g3 O-O 8. Bg2 a5 9. O-O Bd7 10. Qc2 a4
Linares 1993 – Round 3 – Gelfand, Boris – 1/2-1/2 – Timman, Jan H – G8 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Bxd2+ 7. Bxd2 O-O 8. e3 Ne4 9. Rd1 Qf6 10. Bd3 Qg6
Lindores Abbey Tal Memorial 2021 – Round 5.13 – Gelfand, Boris – 1-0 – Kuzubov, Yuriy – G218 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. e3 a5 7. a3 Be7 8. Qc2 a4 9. cxd5 exd5 10. Bb5 Bd7
Novi Sad olm 1990 – Round 14 – Ftacnik, Lubomir – 1/2-1/2 – Anand, Viswanathan – G98 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Be7 7. e3 O-O 8. Qc2 a5 9. b3 Nb8 10. Be2 b6
Roquebrune rapid 1992 – Round 19 – Karpov, Anatoly – 1/2-1/2 – Adams, Michael – G62 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Be7 7. e3 O-O 8. Qc2 a5 9. b3 Nb8 10. Bb2 c6
Smyslov Region Group Cup 2021 – Round 5.6 – Fedoseev, Vladimir – 0-1 – Esipenko, Andrey – G50 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. b4 a5 7. b5 c5 8. bxc6 bxc6 9. Qc2 O-O 10. e4 dxe4
World Blitz 2015 – Round 18.58 – Huzman, Alexander – 0-1 – Nikolic, Predrag – G1143 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Bxd2+ 7. Bxd2 Ne4 8. e3 Nxd2 9. Nxd2 O-O 10. Be2 Bd7
World Blitz 2018 – Round 7.21 – Dreev, Aleksey – 0-1 – Ghaem Maghami, Ehsan – G404 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. b3 b6 8. Bb2 Bb7 9. Bd3 Nbd7 10. O-O c5
World Blitz 2022 – Round 2.11 – Jumabayev, Rinat – 0-1 – Mamedyarov, Shakhriyar – G65 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Be7 7. Qc2 a5 8. b3 O-O 9. Bb2 a4 10. b4 dxc4
World Blitz 2022 – Round 3.12 – Tin, Jingyao – 0-1 – Abdusattorov, Nodirbek – G128 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 a5 8. b3 c5 9. Bb2 cxd4 10. exd4 b6
World Cup 1988 – Round ? – Jussupow, Artur – 1/2-1/2 – Speelman, Jon S – G80 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. b3 b6 8. Bd3 Bb7 9. Bb2 Ne4 10. O-O Nd7
World Cup 1989 – Round 1 – Jussupow, Artur – 1/2-1/2 – Spassky, Boris V. – G33 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. Qc2 b6 7. e4 dxe4 8. Nxe4 Bb7 9. Bd3 Nc6 10. Be3 Ng4
World Cup 1989 – Round 1 – Vaganian, Rafael A – 0-1 – Ljubojevic, Ljubomir – G34 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Be7 7. g3 O-O 8. Bg2 Ne4 9. Qc2 f5 10. O-O Bf6

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