E37b — Nimzo-Indian: Classical, Noa, Main Line, 7.Qc2 c5

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 7.Qc2 c5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : paire de fous.
Faiblesses adverses : Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, arriéré b2, 5 pièces non développées (G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● Be3 — Développer Bc1
● e3 — Libérer Bf1, préparer Bd3

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte g5.
Faiblesses adverses : arriéré b2, Bc1 enfermé, Bf1 enfermé, roi blanc au centre, pawn d4 en prise.
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, ...Bf5)
● ...Nbd7 — Développer Nb8
● ...e5 — Rupture
● ...f6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E37b — Classical Noa Main Line

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 7.Qc2 c5

Eval: [+0.20]

Les coups candidats

8.dxc5 — 93.3% (1001 parties)

Ambassadeurs : Hou, Yifan (12x), Carlsen, Magnus (8x), Karpov, Anatoly (7x), Kopasov, Evgeny (7x), Eliskases, Erich (6x), Drozdovskij, Yuri (6x), Shishkin, Vadim (6x), Kasimdzhanov, Rustam (6x)

8.cxd5 — 3.4% (37 parties)

Ambassadeurs : De Meyer, Hendrik (2x), Lipiniks, Leonardo (1x), Bolbochan, J. (1x), Sandifort, W. (1x), Stoltz, Gösta (1x), Castaldi, Vincenzo (1x), Napolitano, Mario (1x), Benko, Francisco (1x)

8.Nf3 — 2.0% (21 parties)

Ambassadeurs : Yao, Ruikai (2x), Sliwa, Bogdan (1x), Podolsky, Horst (1x), Lempinen Rainer (1x), Rusanen, Pekka (1x), Mangus, R. (1x), Dow, J. (1x), Oliva Fernandez, Daniel (1x)

8.e3 — 1.3% (14 parties)

Ambassadeurs : Reinhardt, Enrique (1x), Rogmann, Gustav (1x), Matilainen, Erkki (1x), Froeberg, Aarne (1x), Wells, Simon (1x), Riha, Josef (1x), Balla, Tamas-Kristof (1x), Berescu, Alin-Mile (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.dxc5	8.cxd5	8.Nf3	8.e3
<1800	13	92%	—	—	8%
1800-2200	225	88%	6%	4%	3%
2200-2600	512	96%	2%	1%	1%
2600+	110	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8.dxc5	8.cxd5	8.Nf3	8.e3
1920s	1	100%	—	—	—
1930s	29	97%	—	—	3%
1940s	34	94%	6%	—	—
1950s	24	88%	12%	—	—
1960s	12	83%	8%	8%	—
1970s	15	80%	7%	7%	7%
1980s	22	91%	—	9%	—
1990s	97	90%	8%	2%	—
2000s	434	95%	2%	2%	1%
2010s	347	93%	3%	2%	2%
2020s	58	97%	2%	2%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.dxc5	93%	97%	▲ +3.5%
8.cxd5	3%	2%	▼ -1.4%
8.Nf3	2%	2%	-0.3%
8.e3	2%	0%	▼ -1.7%

Joueurs célèbres

Champions du monde dans cette position

Hou, Yifan — 10 parties
Karpov, Anatoly — 8 parties
Carlsen, Magnus — 8 parties
Euwe, Max — 4 parties
Kasparov, Garry — 2 parties
Kramnik, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Anand, Viswanathan — 1 partie

Parties historiques

8.dxc5 — 93.3% (1001 parties)

1929 — Menchik, Vera Frantsevna vs Winter, William — 1/2-1/2 — Ramsgate schev
1930 — Noteboom, Daniel vs Takacs, Sandor — 1/2-1/2 — viermeesterkamp
1931 — Noteboom, Daniël vs Buerger, Victor — 1-0 — Hastings ENG
1931 — Bogoljubow, Efim vs Nimzowitsch, Aron — 0-1 — Bled SLO
1932 — Noteboom, Daniel vs Buerger, Victor — 1-0 — Hastings ENG

8.cxd5 — 3.4% (37 parties)

1946 — Lipiniks, Leonardo vs Bolbochan, J. — 1/2-1/2 — Buenos Aires ch-ARG
1946 — Sandifort, W. vs Stoltz, Gösta — 0-1 — Zaandam
1950 — Castaldi, Vincenzo vs Napolitano, Mario — 0-1 — Sorrento
1952 — Gadalinski, Jan vs Kwilecki, Andrzej — 1-0 — Katowice POL
1955 — Benko, Francisco vs Reinhardt, Enrique — 1-0 — Buenos Aires ARG

8.Nf3 — 2.0% (21 parties)

1961 — Sliwa, Bogdan vs Podolsky, Horst — 1/2-1/2 — Warschau IT
1976 — Lempinen Rainer vs Rusanen, Pekka — 0-1 — ?
1985 — Oliva Fernandez, Daniel vs Funes Castro — 1-0 — cr.
1988 — Mangus, R. vs Dow, J. — 1-0 — cr.
1995 — Muchow, D vs De Glopper, J B H — 0-1 — NL cup corr

8.e3 — 1.3% (14 parties)

1939 — Reinhardt, Enrique vs Rogmann, Gustav — 0-1 — Duisburg
1977 — Matilainen, Erkki vs Froeberg, Aarne — 0-1 — ?
2007 — Wells, Simon vs Riha, Josef — 0-1 — FICGS
2007 — Staak, Eric vs Ruben, Gary — 0-1 — ICCF
2008 — Balla, Tamas-Kristof vs Berescu, Alin-Mile — 1/2-1/2 — Cluj ROU

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● b2	—
Chaînes	● b2→a3	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● g5 (2v1)
Cases faibles	—	—
Centre	● e5 (1v0)	● d4 (1v0), ● d5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	Non
Non développées	5 (g1, 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	—	● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
18. Amber Rapid 2009 – Round 5 – Morozevich, Alexander – 0-1 – Karjakin, Sergey – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1929 Ramsgate schev – Round 3 – Menchik, Vera Frantsevna – 1/2-1/2 – Winter, William – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
1931 Bled – Round 16 – Bogoljubow, Efim – 0-1 – Nimzowitsch, Aron – G144 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nxd2
1934 Leningrad ch-URS – Round 1 – Alatortsev, Vladimir N. – 0-1 – Lisitsin, Georgy – G65 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Nxd2
1934 Leningrad ch-URS – Round 1 – Alatortsev, Vladimir N. – 1/2-1/2 – Kan, Ilya A – G67 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Qxc5
1934 Leningrad ch-URS – Round 1 – Alatortsev, Vladimir N. – 1/2-1/2 – Ragozin, Viacheslav – G63 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Qxc5
1936 ARG Team Ch – Round 2 – Maderna, Carlos – 0-1 – Todosantos Pazo, Anton – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
1936 Budapest-B – Round 1 – Füster, Géza – 1-0 – Rothauszky – G2 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nxc5 9. cxd5 Qxd5 10. b4 Qe5
1936 Hastings3637 – Round 5 – Feigin, Movsa – 1/2-1/2 – Eliskases, Erich – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1936 URS All-Union YM – Round 10 – Alatortsev, Vladimir N. – 1/2-1/2 – Kan, Ilya A – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1937 Stockholm ol – Round 1 – Euwe, Max – 1-0 – Petrov, Vladimirs – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1937 Stockholm ol (Men) – Round 11 – Fine, Reuben – 1/2-1/2 – Najdorf, Miguel – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1938 Lasker – Round 2 – Palme, Rudolf – 1-0 – Eliskases, Erich – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1938 Ljubljana – Round 1 – Brueder, M. – 1/2-1/2 – Toth, Bela – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1938 Ljubljana – Round 10 – Vidmar, Milan Jr – 1/2-1/2 – Pirc, Vasja – G67 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1938 URS Ch, semi final – Round 1 – Makogonov, Mikhail – 1/2-1/2 – Dubinin, Peter – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1938 URS Ch, semi final – Round 1 – Makogonov, Vladimir – 1-0 – Sokolsky, Alexey – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
1939 Stuttgart – Round 3 – O'Kelly, Albéric de Galway – 1/2-1/2 – Foltys, Jan – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1941 Aguas de Sao Pedro – Round 14 – Eliskases, Erich – 1-0 – Luckis, Marcos – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1941 Prague m – Round 11 – Foltys, Jan – 1-0 – Opocensky, Karel – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 O-O
1941 Prague m – Round 7 – Foltys, Jan – 1/2-1/2 – Opocensky, Karel – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1941 Prague m – Round 9 – Foltys, Jan – 0-1 – Opocensky, Karel – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 O-O
1942 Moscow Ch – Round 1 – Alatortsev, Vladimir N. – 1/2-1/2 – Lilienthal, Andor – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1944 URS Ch sf Moscow RUS – Round 14 – Veresov, Gavriil – 1/2-1/2 – Averbakh, Yuri L – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
1945 Novi Sad – Round 12 – Preinfalk, Anton – 1/2-1/2 – Rabar, Braslav – G127 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1946 American Continental – Round 1 – Lipiniks, Leonardo – 1/2-1/2 – Bolbochan, J. – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. cxd5 Nc6 9. dxc5 exd5 10. Nf3 Qa5+
1947 Hilversum zt – Round 3 – O'Kelly, Albéric de Galway – 1-0 – Porath, Yosef – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1947 Mar del Plata – Round 1 – Euwe, Max – 1-0 – Najdorf, Miguel – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1947 URS Ch sf – Round 12 – Veresov, Gavriil – 1/2-1/2 – Konstantinopolsky, Alexander – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1948 Mar del Plata – Round 14 – Olivera, Alfredo – 1/2-1/2 – Bolbochan, J. – G113 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1948 Mar del Plata – Round 5 – Szabo, Ladislav – 1/2-1/2 – O'Kelly de Galway, Alberic – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1948 Moskou ch-URS – Round 5 – Furman, Slavomir – 1-0 – Averbakh, Yuri L – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1948 Oldenburg – Round 3 – Doggett – 0-1 – Sarapu, Ortvin – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Nxd2
1948 Saltsjobaden Interzonal – Round 4 – Bronstein, David I – 1/2-1/2 – Boleslavsky, Isaac – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
1949 Hastings4950 – Round 8 – Euwe, Max – 1/2-1/2 – Rossolimo, Nicolas – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1949 JUG Ch – Round 15 – Rabar, Braslav – 1-0 – Avirovic, Djordje – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1949 Trencianske Teplice – Round 4 – Kottnauer, Cenek – 1/2-1/2 – O'Kelly, Albéric de Galway – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Nxd2
1949 URS Ch, semi final – Round 1 – Kamishov, Mikhail P – 1-0 – Bonch-Osmolovsky, Mikhail – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
1949 URS Ch, semi final – Round 17 – Aratovsky, Nikolay – 1/2-1/2 – Kopaev, Nikolay A – G122 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1949 URS Ch, semi final – Round 7 – Kopaev, Nikolay A – 1/2-1/2 – Sokolsky, Alexey – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1950 ITA Ch – Round ? – Castaldi, Vincenzo – 0-1 – Napolitano, Mario – G15 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. cxd5 exd5 9. dxc5 Nc6 10. Nf3 Bf5
1951 URS Ch sf – Round 19 – Makogonov, Vladimir – 1/2-1/2 – Lipnitsky, Isaac – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1952 POL-ch10 – Round 7 – Gadalinski, Jan – 1-0 – Kwilecki, Andrzej – G48 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. cxd5 exd5 9. dxc5 Nc6 10. Nf3 Bf5
1952 Saltsjobaden Interzonal – Round 19 – Taimanov, Mark E – 1/2-1/2 – Szabo, Laszlo – G174 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1953 GDR Ch – Round 4 – Keller-Hermann, Edith – 1/2-1/2 – Stelzner, Wolfgang – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
1953 JUG Ch – Round 9 – Rabar, Braslav – 1-0 – Djurasevic, Bozidar – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
1953 Mitropa Cup – Round 3 – Nievergelt, Erwin – 0-1 – Djurasevic, Bozidar – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1954 Olympiad final B – Round 1 – Weichselbaumer, Ernst – 0-1 – Nievergelt, Erwin – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1954 Zuerich Zurich SUI – Round 7 – Nievergelt, Erwin – 1-0 – Szabados, Eugenio – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
1955 Buenos Aires CA – Round 11 – Benko, Francisco – 1-0 – Reinhardt, Enrique – G79 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qd3 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. cxd5 exd5 9. dxc5 Nc6 10. Nf3 Bf5
1957 Toronto wch-jr – Round 1 – Gerusel, Mathias – 1-0 – Makelainen, Melisa Taika – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 Qxd5 10. Be3 O-O
1964 Chigorin Memorial – Round 4 – Forintos, Gyozo V – 1/2-1/2 – Antoshin, Vladimir S – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1965 Corr – Round ? – Morgado, Juan Sebastian – 1/2-1/2 – Amilibia, Carlos Nelson – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
1967 Budapest Bajnogsag 8th – Round 6 – Forintos, Gyozo V – 1/2-1/2 – Toth, Bela – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Nxd2
1967 October Revolution 50 – Round ? – Hort, Vlastimil – 1/2-1/2 – Taimanov, Mark E – G89 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
7. London Classic 2015 – Round 2.2 – Giri, Anish – 1/2-1/2 – Adams, Michael – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
76. Tata Steel Masters 2014 – Round 5.2 – Nakamura, Hikaru – 1/2-1/2 – Karjakin, Sergey – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 O-O
Amber Rapidplay 1999 – Round 10 – Kramnik, Vladimir – 1/2-1/2 – Gelfand, Boris – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
Amber Rapidplay 2001 – Round 7 – Ivanchuk, Vasyl – 1/2-1/2 – Topalov, Veselin – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 O-O
Amber-blindfold 16th 2007 – Round 3 – Ivanchuk, Vasyl – 1-0 – Anand, Viswanathan – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
CCT Final KO 2023 – Round 2.23 – So, Wesley – 1/2-1/2 – Carlsen, Magnus – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
Chess Classic Rapid Prelim 2007 – Round 6 – Kasimdzhanov, Rustam – 1/2-1/2 – Aronian, Levon – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Bf5
Corsica Masters KO 2003 – Round 4.1 – Topalov, Veselin – 1/2-1/2 – Anand, Viswanathan – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Bf5
Corus A 2008 – Round 6 – Carlsen, Magnus – 1-0 – Polgar, Judit – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Qf6
Corus A 2009 – Round 11 – Morozevich, Alexander – 1/2-1/2 – Carlsen, Magnus – G70 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Bf5
Corus A 2009 – Round 4 – Morozevich, Alexander – 1/2-1/2 – Adams, Michael – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Bf5
FIDE Candidates 2018 – Round 13.3 – So, Wesley – 1/2-1/2 – Karjakin, Sergey – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
FIDE Candidates 2018 – Round 4.3 – Mamedyarov, Shakhriyar – 1/2-1/2 – So, Wesley – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qf6
FIDE GP 2008 – Round 12 – Carlsen, Magnus – 1-0 – Adams, Michael – G79 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Qa5+
FIDE GP Paris 2013 – Round 9.3 – Nakamura, Hikaru – 1/2-1/2 – Ponomariov, Ruslan – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
FIDE World Cup 2015 – Round 1.1 – Akobian, Varuzhan – 1/2-1/2 – Laznicka, Viktor – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Nxd2
GCT Rapid YourNextMove 2018 – Round 5.2 – Mamedyarov, Shakhriyar – 1/2-1/2 – Karjakin, Sergey – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nxd2
GMA 2003 – Round 8 – Bareev, Evgeny – 1-0 – Timman, Jan H – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
Novgorod 1994 – Round 4 – Bareev, Evgeny – 0-1 – Ivanchuk, Vasyl – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Nd2 Nd4
Saint Louis Blitz 2022 – Round 5.5 – Shankland, Sam – 0-1 – Aronian, Levon – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
SportAccord Blitz 2014 – Round 1.7 – Ponomariov, Ruslan – 0-1 – Radjabov, Teimour – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
Superbet Rapid 2019 – Round 9.5 – Mamedyarov, Shakhriyar – 1/2-1/2 – Karjakin, Sergey – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
Tal Memorial 2010 – Round 3 – Eljanov, Pavel – 0-1 – Kramnik, Vladimir – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. e3 Qa5+ 10. Bd2 Nxd2
Thessaloniki olm 1988 – Round 13 – Kasparov, Garry – 1-0 – Georgiev, Kaloyan – G113 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+
Vugar Gashimov Mem 2018 – Round 3.2 – Mamedyarov, Shakhriyar – 1/2-1/2 – Karjakin, Sergey – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5
World Blitz 2007 – Round 16 – Kasimdzhanov, Rustam – 1/2-1/2 – Karpov, Anatoly – G151 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Qa5+
World Blitz 2007 – Round 35 – Morozevich, Alexander – 1/2-1/2 – Adams, Michael – G339 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. e3 Bf5
World Blitz 2022 – Round 12.1 – Artemiev, Vladislav – 1/2-1/2 – Carlsen, Magnus – G614 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5

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