Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v0), ● g5 (2v0)	● d5 (2v0)
Cases faibles	● d4	—
Centre	● e5 (2v0)	● d5 (2v0), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (● c1, ● f1, ● a1, ● h1)	5 (● b8, ● c8, ● f8, ● 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	mobile
Ruptures	—	● …e7-e5

A34z — English: Symmetrical, 3 Knights, 5.d4 Nxc3

1.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 5.d4 Nxc3 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. bxc3 (Capture en c3, Renforcer le centre — 100 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...g6 (Préparer le fianchetto — 97 % des parties) ; ...cxd4 (Capture en d4, Occuper le centre — 2 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1926 Budapest – Round 3 – Kmoch, Hans – 0-1 – Prokes, Ladislav – G22 1. c4 c5 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bc4 Qc7 9. Qb3 O-O 10. d5 Bd7
1934 Leningrad – Round 1 – Yudovich, Mikhail M – 1-0 – Chekhover, Vitaly – G4 1. c4 c5 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Be2 O-O 9. O-O Nc6 10. Qb3 Qc7
1937 Ostende – Round 4 – List, Paul – 0-1 – Fine, Richard Alvaro Adrien – G21 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bb5+ Nd7 9. O-O a6 10. Be2 O-O
1938 Stockholm – Round 1 – Ekenberg, Bengt – 1/2-1/2 – Pettersson, Willy – G22 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 cxd4 7. cxd4 e6 8. g3 Nc6 9. Bg2 Bb4+ 10. Bd2 Bxd2+
1954 Leningrad ch22-SU sf – Round 15 – Chekhover, Vitaly – 1/2-1/2 – Byvshev, Vasily – G44 1. c4 Nf6 2. Nc3 c5 3. Nf3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. h4 Bg7 8. h5 cxd4 9. cxd4 Nc6 10. e3 a6
1955 Zagreb – Round 6 – Geller, Efim P – 1/2-1/2 – Bisguier, Arthur B – G67 1. d4 d5 2. c4 c5 3. cxd5 Nf6 4. Nc3 Nxd5 5. Nf3 Nxc3 6. bxc3 cxd4 7. cxd4 e5 8. e3 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 e4
20. European Teams 2015 – Round 4.8 – Mastrovasilis, Athanasios – 0-1 – Van Wely, Loek – G188 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O cxd4 10. Nxd4 Nc6
40. Olympiad Open 2012 – Round 2.36 – Khusenkhojaev, Muhammad – 0-1 – Georgiev, Kiril – G133 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Be2 O-O 9. O-O Qc7 10. a4 b6
40. Olympiad Open 2012 – Round 4.16 – Jumabayev, Rinat – 1-0 – Sutovsky, Emil – G236 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Be2 Qa5 9. Qb3 cxd4 10. Nxd4 Bxd4
76. Tata Steel Masters 2014 – Round 2.4 – Aronian, Levon – 1-0 – Caruana, Fabiano – G10 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. Bf4 Bg7 8. e3 O-O 9. Bd3 Nd7 10. O-O Qa5
Amber Blindfold 2001 – Round 2 – Kramnik, Vladimir – 1-0 – Van Wely, Loek – G8 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. Bg5 Bg7 8. Qd2 Qa5 9. Rc1 h6 10. Bh4 Bf5
Amber Rapidplay 1999 – Round 4 – Kramnik, Vladimir – 1/2-1/2 – Van Wely, Loek – G23 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bd3 O-O 9. O-O Qc7 10. Qe2 Nc6
Amber Rapidplay 2000 – Round 10 – Piket, Jeroen – 1/2-1/2 – Van Wely, Loek – G52 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bb5+ Bd7 9. Rb1 Bxb5 10. Rxb5 b6
Bugojno 1978 – Round 13 – Tal, Mikhail – 1/2-1/2 – Miles, Anthony J – G72 1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bd3 O-O 9. O-O Nc6 10. Ba3 b6
Bugojno 1986 – Round 2 – Portisch, Lajos – 1/2-1/2 – Miles, Anthony J – G14 1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bb5+ Nd7 9. O-O O-O 10. Qe2 a6
FIDE World Cup 2019 – Round 3.3 – Jakovenko, Dmitry – 1-0 – Vachier-Lagrave, Maxime – G334 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bb5+ Bd7 9. Bd3 O-O 10. O-O Nc6
GMA 2004 – Round 6 – Timman, Jan H – 1/2-1/2 – Svidler, Peter – G40 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bb5+ Nd7 9. O-O O-O 10. a4 Qc7
Hoogovens 1998 – Round 10 – Kramnik, Vladimir – 1/2-1/2 – Topalov, Veselin – G46 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bd3 O-O 9. O-O Qc7 10. Qe2 Rd8
Interpolis 1978 – Round 8 – Hort, Vlastimil – 0-1 – Browne, Walter Shawn – G28 1. c4 Nf6 2. Nc3 c5 3. Nf3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Be2 O-O 9. O-O Qc7 10. a4 Rd8
Interpolis 1980 – Round 1 – Portisch, Lajos – 1/2-1/2 – Timman, Jan H – G40 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. Bf4 Bg7 8. e3 Qa5 9. Qd2 O-O 10. Be2 Nc6
Madrid rapid 1988 – Round 4 – Portisch, Lajos – 1/2-1/2 – Kasparov, Garry – G20 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bd3 O-O 9. O-O Qc7 10. Qe2 Rd8
Milaan 1975 – Round 4 – Portisch, Lajos – 1/2-1/2 – Tal, Mikhail – G14 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bd3 O-O 9. O-O Qc7 10. Ba3 Nd7
Rio de Janeiro Interzonal 1979 – Round 1 – Petrosian, Tigran V. – 1/2-1/2 – Smejkal, Jan – G4 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bb5+ Bd7 9. a4 Qa5 10. Qb3 cxd4
Superbet Classic 2021 – Round 7.4 – Giri, Anish – 1-0 – Vachier-Lagrave, Maxime – G32 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bb5+ Bd7 9. Bd3 O-O 10. O-O Qa5
World Blitz 2015 – Round 14.66 – Sanal, Vahap – 0-1 – Salem, A.R. Saleh – G901 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. g3 Bg7 8. Bg2 Nc6 9. e3 O-O 10. O-O Qc7
World Blitz 2015 – Round 21.46 – Zhang, Zhong – 0-1 – Vidit, Santosh Gujrathi – G1321 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Be2 O-O 9. O-O Nc6 10. Ba3 cxd4
World Blitz 2022 – Round 16.58 – Narayanan, Sunilduth Lyna – 1-0 – Ansat, Aldiyar – G875 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bb5+ Nd7 9. O-O O-O 10. a4 a6
World Championship 34th-KK4 1987 – Round 23 – Karpov, Anatoly – 1-0 – Kasparov, Garry – G7 1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bd3 O-O 9. O-O Qc7 10. Rb1 b6
World Cup 1988 – Round 1 – Ribli, Zoltan – 0-1 – Tal, Mikhail – G88 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bd3 O-O 9. O-O Qc7 10. Qe2 Rd8
World Rapid 2016 – Round 4.8 – Bu, Xiangzhi – 1/2-1/2 – Bok, Benjamin – G165 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. Bg5 Bg7 8. Qd2 Qa5 9. Rc1 Bf5 10. e3 Nc6
World Rapid 2021 – Round 2.26 – Muradli, Mahammad – 1-0 – Erdos, Viktor – G86 1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 g6 7. e3 Bg7 8. Bb5+ Bd7 9. a4 Qa5 10. Qb3 cxd4

A34z — Symmetrical, 3 Knights (1926)

1.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 5.d4 Nxc3

Les coups candidats

6.bxc3 — 100.0% (1402 parties)

Ambassadeurs : Kramnik, Vladimir (13x), Ruck, Robert (11x), Korchnoi, Viktor (10x), Vaganian, Rafael A (8x), Karpov, Anatoly (8x), Olafsson, Helgi (6x), Sax, Gyula (6x), Daurelle, Herve (6x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.bxc3
<1800	37	100%
1800-2200	384	100%
2200-2600	769	100%
2600+	97	100%

Évolution par décennie (% des parties)

Décennie	N parties	6.bxc3
1950s	3	100%
1960s	1	100%
1970s	49	100%
1980s	92	100%
1990s	182	100%
2000s	446	100%
2010s	462	100%
2020s	167	100%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.bxc3	100%	100%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 10 parties
Karpov, Anatoly — 8 parties
Kasparov, Garry — 6 parties
Tal, Mikhail — 6 parties
Anand, Viswanathan — 2 parties

Parties historiques

6.bxc3 — 100.0% (1402 parties)

1950 — Gawliczek, Andreas vs Taimanov, Mark — 0-1 — Schiavno Zdroj
1954 — Chestnov, Vitaliy A. vs Byvshev, Vasily — 1/2-1/2 — Leningrad ch22-SU sf
1955 — Geller, Efim P. vs Bisguier, Arthur B — 1/2-1/2 — Zagreb CRO
1964 — Gershman, Semion vs Romanovsky, Rem Konstantinovich — 1-0 — Kiev UKR
1972 — Stein, Leonid vs Karpov, Anatoly — 0-1 — Moscow RUS

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