A17k — English: Nimzo-English, 4.Qc2 O-O

1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 4.Qc2 O-O * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e4, case forte b5, paire de fous.
Faiblesses adverses : Bc8 enfermé.
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
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : Bb4 actif, paire de fous.
Faiblesses adverses : 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

A17k — Nimzo-English

1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 4.Qc2 O-O

Eval: [+0.25]

Les coups candidats

5.a3 — 85.8% (2341 parties)

Ambassadeurs : Rozentalis, Eduardas (36x), Pogorelov, Ruslan (21x), Korchnoi, Viktor (19x), Kramnik, Vladimir (19x), Drasko, Milan (18x), Timman, Jan H (17x), Kholmov, Ratmir D (15x), Uhlmann, Wolfgang (13x)

5.e3 — 4.0% (108 parties)

Ambassadeurs : Eingorn, Vereslav S (4x), Seawell, Mark (2x), Petrov, Georgi (2x), Egorov, Vladimir (2x), Levy, David N L (1x), Ligterink, Gert (1x), Nielsen, Axel (1x), Portisch, Lajos (1x)

5.g3 — 3.9% (106 parties)

Ambassadeurs : Uhlmann, Wolfgang (11x), Popovic, Petar (2x), Serrer, Christoph (2x), Vaganian, Rafael A (2x), Guyene, Thierry (2x), Payet, Amelie (2x), Muco, Fatos (2x), Pogorelov, Ruslan (2x)

5.e4 — 2.8% (77 parties)

Ambassadeurs : Milos, Gilberto (3x), Nikolenko, Oleg (3x), Perez Garcia, Miguel 2008 (2x), Le Duigou, Jean-Guy (2x), Reza, Wojciech (2x), De Souza Mendes, Joao (1x), De Freitas, Marcio Elisio (1x), Emden, Hermann (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.a3	5.e3	5.g3	5.e4
<1800	24	67%	8%	—	8%
1800-2200	413	80%	6%	6%	4%
2200-2600	1906	88%	3%	3%	2%
2600+	155	95%	1%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5.a3	5.e3	5.g3	5.e4
1940s	2	50%	—	—	50%
1950s	4	75%	—	—	—
1960s	18	56%	28%	6%	11%
1970s	98	77%	2%	7%	2%
1980s	230	77%	6%	8%	3%
1990s	426	82%	4%	8%	3%
2000s	885	90%	3%	3%	2%
2010s	864	87%	5%	2%	3%
2020s	202	88%	3%	0%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.a3	87%	88%	▲ +0.7%
5.e3	5%	3%	▼ -1.7%
5.g3	2%	0%	▼ -1.8%
5.e4	3%	5%	▲ +1.9%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 9 parties
Karpov, Anatoly — 7 parties
Kasparov, Garry — 6 parties
Karpov, Aleksandr — 5 parties
Hou, Yifan — 4 parties
Tal, Mikhail — 3 parties
Smyslov, Vladimir — 2 parties
Carlsen, Magnus — 2 parties
Euwe, Max — 1 partie
Botvinnik, Mikhail — 1 partie

Parties historiques

5.a3 — 85.8% (2341 parties)

1949 — Chekhover, Vitaly vs Sokolsky, Alexey — 1/2-1/2 — Vilnius LTU
1950 — Steinmeyer, Robert vs Byrne, Robert E — 1/2-1/2 — New York ch USA
1956 — Sherwin, James T vs Day, Fabian — 1-0 — Oklahoma City, OK USA
1958 — Averbakh, Yuri L vs Veresov, Gavriil — 1-0 — Vilnius LTU
1960 — Clarke, Peter H vs Darga, Klaus — 0-1 — Biel SUI

5.e3 — 4.0% (108 parties)

1960 — Nielsen, Axel vs Portisch, Lajos — 1/2-1/2 — Leipzig GER
1963 — Clarke, Paul R H vs Kramer, Hanspeter — 1/2-1/2 — Birmingham ENG
1964 — Vaysman, Alexander vs Soloviev, Vladimir A — 0-1 — Moscow RUS
1965 — Liavdansky, Vladimir vs Polugaevsky, Lev — 1/2-1/2 — Tallinn ch-URS
1967 — Levy, David N L vs Ligterink, Gert — 1/2-1/2 — Groningen NED

5.g3 — 3.9% (106 parties)

1961 — Bachmann, Karlheinz vs Darga, Klaus — 0-1 — Bad Pyrmont GER
1972 — Uhlmann, Wolfgang vs Moehring, Guenther — 1/2-1/2 — Leipzig GER
1972 — Ornstein, Axel vs Kinnmark, Ove — 1-0 — Skelleftea SWE
1975 — Vaganian, Rafael A vs Grigorian, Karen — 1-0 — Vilnius LTU
1977 — Stokes, GN. vs Griffiths, Peter C — 0-1 — ?

5.e4 — 2.8% (77 parties)

1947 — De Souza Mendes, Joao vs De Freitas, Marcio Elisio — 1/2-1/2 — Porto Alegre
1961 — Emden, Hermann vs Dueckstein, Andreas — 0-1 — Arlesheim
1961 — Moehring, Guenther vs Mititelu, Gheorghe — 0-1 — Chemnitz
1976 — Umansky, Mikhail vs Bramburg — 1-0 — RSFSR-5ch/f [Holecek,K
1977 — Hort, Vlastimil vs Sosonko, Gennadi — 1-0 — Tilburg NED

	♔ 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	● d4 (1v0), ● e4 (2v1), ● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 6)
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, ● d2-d3, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1947 BRA Ch – Round 11 – De Souza Mendes, Joao – 1/2-1/2 – De Freitas, Marcio Elisio – G18 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d6 6. a3 Bxc3 7. bxc3 e5 8. Be2 Qe7 9. O-O Nc6 10. Rb1 Ne8
1949 URS Ch, semi final – Round 4 – Chekhover, Vitaly – 1/2-1/2 – Sokolsky, Alexey – G33 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 a5 7. b3 d6 8. Bb2 b6 9. g3 Bb7 10. Bg2 Nbd7
1960 Clare Benedict Cup 07th – Round 2 – Clarke, Peter H – 0-1 – Darga, Klaus – G17 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. g3 c5 8. Bg2 e5 9. O-O Nc6 10. d3 Bg4
1960 Leipzig olm prel – Round 2 – Nielsen, Axel – 1/2-1/2 – Portisch, Lajos – G40 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. e3 Re8 6. a3 Bf8 7. d4 d6 8. Bd3 e5 9. dxe5 dxe5 10. O-O Nbd7
1961 Arlesheim int – Round 5 – Emden, Hermann – 0-1 – Dueckstein, Andreas – G13 1. c4 e6 2. Nf3 Nf6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d6 6. d4 e5 7. Bd3 Nc6 8. dxe5 dxe5 9. O-O Bg4 10. Ne2 Bc5
1961 FRG Ch 06th – Round 13 – Bachmann, Karlheinz – 0-1 – Darga, Klaus – G30 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. g3 d5 6. a3 Be7 7. d3 c5 8. Bg2 Nc6 9. O-O d4 10. Ne4 Nxe4
1963 ENG-NLD m – Round 2.3 – Clarke, Paul R H – 1/2-1/2 – Kramer, Hanspeter – G9 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. e3 b6 6. a3 Bxc3 7. Qxc3 Bb7 8. Be2 d6 9. O-O Nbd7 10. b4 a5
1963 Hoogovens – Round 15 – Langeweg, Kick – 1/2-1/2 – Matanovic, Aleksandar – G120 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d5 7. d3 Nbd7 8. g3 Re8 9. Bg2 e5 10. cxd5 Nxd5
1963 Sweden – Round 6 – Horberg, Bengt-Eric – 1/2-1/2 – Fridh, Anton – G18 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. d3 d6 8. g3 Bb7 9. Bg2 Nbd7 10. O-O c5
1965 DDR Ch 15th – Round 9 – Golz, Werner – 1/2-1/2 – Liebert, Heinz – G40 1. c4 Nf6 2. Nf3 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. Be2 d6 9. d4 Nbd7 10. O-O e5
1965 Tallinn ch-URS – Round 1 – Liavdansky, Vladimir – 1/2-1/2 – Polugaevsky, Lev – G129 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e3 b6 6. Be2 Bb7 7. O-O d5 8. a3 Bd6 9. b4 Nbd7 10. cxd5 exd5
1967 Sochi – Round 1 – Lein, Andreas – 1/2-1/2 – Lengyel, Laszlo – G4 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. g3 e5 8. Bg2 Re8 9. O-O a5 10. d3 Nc6
1967 Sochi – Round 2 – Lein, Anatoly – 1/2-1/2 – Lengyel, Levente – G26 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. g3 e5 8. Bg2 Re8 9. O-O a5 10. d3 Nc6
1968 Monte Carlo – Round 3 – Gheorghiu, Florin – 1/2-1/2 – Damjanovic, Marko – G19 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. g3 Bb7 8. Bg2 d6 9. O-O Nbd7 10. Rd1 d5
1969 Buesum – Round 11 – Polugaevsky, Lev – 0-1 – Larsen, Bent Ravn – G30 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. Be2 d6 9. b4 Ne4 10. Qc2 Ng5
1969 IBM I – Round 6 – Gheorghiu, Florin – 1-0 – Tatai, Stefano – G23 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. b4 a5 9. Bb2 Qe7 10. Be2 axb4
1970 Vinkovci – Round 11 – Petrosian, Tigran V. – 1/2-1/2 – Larsen, Bent – G12 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. g3 b6 8. Bg2 Bb7 9. O-O c5 10. b4 Nc6
1971 Hoogovens – Round 6 – Ivkov, Borislav – 1/2-1/2 – Langeweg, Kick – G24 1. c4 Nf6 2. Nf3 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. b4 e5 8. Bb2 b6 9. e3 c5 10. Be2 Bb7
1975 URS Team Ch – Round 3 – Agzamov, Georgy – 1-0 – Govashelishvili, Genadij – G44 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. d4 b6 8. g3 Bb7 9. Bg2 Nbd7 10. O-O Ne4
36. Olympiad 2004 – Round 10 – Vallejo Pons, Francisco – 1/2-1/2 – Papaioannou, Ioannis CS – G369 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. Be2 Ne4 9. Qc2 f5 10. b3 d6
40. Olympiad Open 2012 – Round 10.2 – Jakovenko, Dmitry – 1/2-1/2 – Mareco, Sandro – G555 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. Be2 c5 9. b4 d6 10. Bb2 Nbd7
42. Olympiad 2016 – Round 3.1 – Grischuk, Alexander – 1-0 – Hamitevici, Vladimir – G169 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 a5 7. d4 a4 8. Bg5 d6 9. e3 Nbd7 10. Bd3 b6
Amber Blindfold 2007 – Round 1 – Van Wely, Loek – 0-1 – Ivanchuk, Vasyl – G1 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. Be2 d6 9. O-O a5 10. b3 Nbd7
Amber Rapidplay 2002 – Round 8 – Van Wely, Loek – 0-1 – Kramnik, Vladimir – G36 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b4 Bb7 8. Bb2 d6 9. g3 Nbd7 10. Bg2 c5
Amber-blindfold 10th 2001 – Round 4 – Van Wely, Loek – 1/2-1/2 – Almasi, Zoltan – G6 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. b4 a5 8. Bb2 axb4 9. axb4 Rxa1+ 10. Bxa1 e5
Amber-blindfold 14th 2005 – Round 9 – Van Wely, Loek – 0-1 – Anand, Viswanathan – G4 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b4 a5 8. Bb2 axb4 9. axb4 Rxa1+ 10. Bxa1 c5
Amber-rapid 13th 2004 – Round 8 – Van Wely, Loek – 0-1 – Kramnik, Vladimir – G21 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b4 a5 8. Bb2 axb4 9. axb4 Rxa1+ 10. Bxa1 c5
Amber-rapid 16th 2007 – Round 5 – Kramnik, Vladimir – 0-1 – Ivanchuk, Vasyl – G13 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. b4 a5 8. Bb2 e5 9. g3 axb4 10. axb4 Rxa1+
Amber-rapid 6th 1997 – Round 7 – Kramnik, Vladimir – 1-0 – Nikolic, Predrag – G39 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. g3 Bb7 8. Bg2 c5 9. b4 d6 10. O-O Nbd7
Belgrade 1987 – Round 1 – Timman, Jan H – 1-0 – Nikolic, Predrag – G37 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b4 a5 8. Bb2 axb4 9. axb4 Rxa1+ 10. Bxa1 c5
Buenos Aires 1980 – Round 1 – Timman, Jan H – 1/2-1/2 – Larsen, Bent – G2 1. c4 e6 2. Nf3 Nf6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. e3 e5 8. b4 Re8 9. Bb2 Nc6 10. Be2 Bg4
Candidats Tournament 1985 – Round 12 – Spraggett, Kevin – 1/2-1/2 – Ribli, Zoltan – G68 1. c4 Nf6 2. Nf3 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e3 b6 6. b3 Bb7 7. Bb2 d5 8. Be2 Nbd7 9. O-O a6 10. Rad1 Qe7
Chess Classics Giants 1. pl 1998 – Round 3 – Kramnik, Vladimir – 1/2-1/2 – Anand, Viswanathan – G1 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b4 Bb7 8. Bb2 d6 9. e3 a5 10. Be2 axb4
Corus A 2008 – Round 13 – Gelfand, Boris – 1-0 – Eljanov, Pavel – G90 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. b4 d6 9. Bb2 Nbd7 10. Be2 c5
Dortmund 1995 – Round 1 – Bareev, Evgeny – 0-1 – Karpov, Anatoly – G5 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. g3 Bb7 8. Bg2 c5 9. b4 d6 10. O-O Nbd7
Dortmund 1998 – Round 1 – Kramnik, Vladimir – 1/2-1/2 – Anand, Viswanathan – G5 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b4 a5 8. Bb2 axb4 9. axb4 Rxa1+ 10. Bxa1 c5
Dos Hermanas 1997 – Round ? – Kramnik, Vladimir – 1-0 – Karpov, Anatoly – G2 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b4 Bb7 8. Bb2 d6 9. e3 Nbd7 10. d4 Ne4
Dos Hermanas 1997 – Round 3 – Kramnik, Vladimir – 1-0 – Karpov, Anatoly – G11 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b4 Bb7 8. Bb2 d6 9. e3 Nbd7 10. d4 Ne4
Dos Hermanas 1997 – Round 5 – Kramnik, Vladimir – 1-0 – Illescas Cordoba, Miguel – G20 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. g3 Bb7 8. Bg2 c5 9. b4 d6 10. O-O Nbd7
FIDE GP 2008 – Round 5 – Grischuk, Alexander – 1/2-1/2 – Adams, Michael – G35 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 c5 8. Be2 d6 9. O-O Bb7 10. b4 e5
FIDE WCh KO 2000 – Round 3.4 – Yermolinsky, Alex – 0-1 – Adams, Michael – G108 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b4 Bb7 8. Bb2 d6 9. g3 Nbd7 10. Bg2 Ne5
FIDE WCh KO 2000 – Round 5.2 – Khalifman, Alexander – 1/2-1/2 – Anand, Viswanathan – G121 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b4 a5 8. Bb2 axb4 9. axb4 Rxa1+ 10. Bxa1 c5
FIDE World Cup 2015 – Round 1.2 – Bukavshin, Ivan – 1/2-1/2 – Zhigalko, Sergei – G124 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. b4 e5 8. Bb2 Nbd7 9. e3 Re8 10. d4 e4
FIDE World Cup 2015 – Round 1.4 – Bukavshin, Ivan – 0-1 – Zhigalko, Sergei – G174 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. b4 e5 8. Bb2 Nbd7 9. d3 Re8 10. g3 Nb6
FIDE-Wch k.o. g/25+10 1999 – Round 5.4 – Kramnik, Vladimir – 1/2-1/2 – Adams, Michael – G47 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. Be2 c5 9. b4 d6 10. Bb2 e5
GMA 2004 – Round 6 – Kramnik, Vladimir – 1-0 – Zhang, Zhong – G41 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. Be2 d6 9. O-O Nbd7 10. b4 c5
Hoogovens 1978 – Round 1 – Portisch, Lajos – 1-0 – Najdorf, Miguel – G6 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b4 Bb7 8. Bb2 d6 9. e3 Nbd7 10. Be2 c5
KRO-tweekamp 1982 – Round 4 – Timman, Jan H – 1-0 – Korchnoi, Viktor – G3 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. b4 d6 9. Bb2 Nbd7 10. Be2 Qe7
Leningrad ch-URS 1977 – Round 1 – Petrosian, Tigran V. – 1-0 – Balashov, Yuri S – G7 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. b3 c5 6. Bb2 Qe7 7. e3 Nc6 8. Be2 d6 9. O-O Bxc3 10. Bxc3 e5
Moscow 1975 – Round 1 – Vaganian, Rafael A – 1-0 – Korchnoi, Viktor – G11 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. g3 Bb7 8. Bg2 d5 9. d4 dxc4 10. Qxc4 Be4
Novi Sad olm 1990 – Round 12 – Barbero, Gerardo F – 0-1 – Timman, Jan H – G87 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. b4 e5 8. Bb2 Re8 9. d3 Bg4 10. e3 Nbd7
Olympiad 2002 – Round 5 – Sasikiran, Krishnan – 0-1 – Rozentalis, Eduardas – G169 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. Be2 d6 9. O-O c5 10. b4 Nbd7
Rio de Janeiro Interzonal 1979 – Round 15 – Smejkal, Jan – 0-1 – Timman, Jan H – G46 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b3 Bb7 8. Bb2 d6 9. e3 e5 10. d4 Ne4
Tal Memorial Blitz 2008 – Round 33 – Grischuk, Alexander – 0-1 – Karjakin, Sergey – G280 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. e3 b6 8. Be2 Bb7 9. O-O a5 10. b3 Nbd7
Vienna Millenium 1996 – Round 3 – Kramnik, Vladimir – 1-0 – Ehlvest, Jaan – G10 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 c5 7. b4 b6 8. g3 Nc6 9. Bg2 Bb7 10. O-O d6
World Blitz 2007 – Round 27 – Gelfand, Boris – 1-0 – Adams, Michael – G267 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 a5 8. b3 d6 9. Bb2 e5 10. d4 e4
World Blitz 2015 – Round 3.11 – Iturrizaga Bonelli, Eduardo – 0-1 – Socko, Bartosz – G144 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. Be2 c5 9. b4 d6 10. Bb2 Nbd7
World Blitz 2016 – Round 19.34 – Svane, Rasmus – 1-0 – Mareco, Sandro – G760 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 d6 7. g3 e5 8. Bg2 Re8 9. b4 e4 10. Nd4 c5
World Blitz 2017 – Round 18.17 – Bu, Xiangzhi – 1-0 – Socko, Bartosz – G924 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. Be2 c5 9. O-O d5 10. b4 Nbd7
World Blitz 2018 – Round 13.54 – Mchedlishvili, Mikheil – 1/2-1/2 – Anisimov, Pavel – G794 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 c5 7. b4 b6 8. Bb2 Bb7 9. e3 Qe7 10. Be2 Rc8
World Championship 35th-KK5 1990 – Round 24 – Kasparov, Garry – 1/2-1/2 – Karpov, Anatoly – G16 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b4 d6 8. Bb2 Bb7 9. g3 c5 10. Bg2 Nbd7
World Cup 1989 – Round 1 – Vaganian, Rafael A – 1/2-1/2 – Nikolic, Predrag – G44 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3 6. Qxc3 b6 7. b3 Bb7 8. Bb2 c5 9. e3 d6 10. Be2 e5

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