Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→c6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c5 (2v0), ● g5 (2v0)	● d5 (2v0)
Cases faibles	—	—
Centre	● e5 (1v0)	● d5 (2v0), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● e	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bf5		● Bf5 Actif (mob. 7)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (● g1, ● c1, ● f1, ● a1, ● h1)	5 (● b8, ● g8, ● 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	● d4-d5	● …c6-c5, ● …e7-e5

B18a — Caro-Kann: Classical

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Ng3 (95 % des parties) ; Nc5 (Cavalier actif en c5 — 3 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bg6 (94 % des parties) ; ...e6 (Solidifier le centre, libérer le fou — 1 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1930 Zagreb simultaan – Round 1 – Alekhine, Alexander – 1/2-1/2 – Gonzalez Singer, Diego Alejandro – G10 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Bd3 Bg6 6. Ne2 Nd7 7. Nf4 Ngf6 8. Ng3 e6 9. O-O Bd6 10. Re1 Bxf4
1933 Folkestone Olympiad 5th – Round 1.17 – Apscheneek, Fricis – 1/2-1/2 – Flohr, Salo – G3 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. Be3 Nf6 7. Nxf6+ gxf6 8. O-O-O Qd5 9. Qxd5 cxd5 10. Ne2 Nc6
1933 Trebitsch Memorial 16th – Round 6 – Spielmann, Rudolf – 0-1 – Kolnhofer, Josef – G28 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. c3 Nd7 7. Bf4 Ndf6 8. Nd2 Ne7 9. h3 Ned5 10. Be5 Bg6
1936 Trade Unions – Round ? – Konstantinopolsky, Alexander – 1-0 – Stepanov, Georgi – G38 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. c3 Nf6 7. Nxf6+ gxf6 8. Bc4 Nd7 9. Bf4 Nb6 10. Bb3 Nd5
1938 Bad Oeynhausen – Round 13 – Engels, Ludwig – 1-0 – Kohler, Anton – G73 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Bd3 e6 6. Ne2 Nf6 7. f3 Nbd7 8. O-O Be7 9. Nxf6+ Nxf6 10. Bxf5 exf5
1938 Montevideo – Round 11 – Alekhine, Alexander – 1-0 – De Oliveira Arienti, Allan Godinho – G64 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Bd3 e6 6. Nf3 Nf6 7. Bg5 Be7 8. Bxf6 Bxf6 9. c3 Be7 10. O-O Nd7
1939 Buenos Aires ol prel-A – Round 4 – Milner Barry, Philip – 1/2-1/2 – Regedzinski, Teodor – G17 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Bd3 Qxd4 6. Nf3 Qd8 7. Qe2 Bxe4 8. Bxe4 Nf6 9. Bd3 e6 10. Bg5 Nbd7
1949 US Open – Round 3 – Neal Matthew Sison – 0-1 – Santasiere, Anthony – G5 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. f3 Nd7 6. Bd3 Bg6 7. Ne2 e5 8. O-O Ngf6 9. Bg5 Be7 10. Nxf6+ Bxf6
1959 Buenos Aires Ch – Round 10 – Pelikán, Jiří – 1/2-1/2 – Foguelman, Alberto – G42 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng5 Nf6 6. c3 e6 7. Ne2 h6 8. Nf3 Nbd7 9. Ng3 Bh7 10. Bd3 Bxd3
1959 Practice – Round ? – Collins, Paul H – 0-1 – Collins, Richard Arnold – G13 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc3 e6 6. Nf3 Bb4 7. Bd2 Nf6 8. g3 Bg4 9. Bg2 Bxf3 10. Bxf3 Qxd4
1960 Leipzig olm fin-C – Round 9 – Perrottey – 0-1 – Dunkelblum, Arthur – G54 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc3 e6 6. Be3 Bb4 7. Qd2 Nf6 8. Bd3 Ne4 9. Bxe4 Bxe4 10. f3 Bg6
1961 Netanya – Round 1 – Persitz, Raaphi – 0-1 – Porath, Yosef – G7 1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Bf5 5. Bd3 Qxd4 6. Nf3 Qd8 7. Qe2 e6 8. Bf4 Nd7 9. O-O-O Ngf6 10. Neg5 Bxd3
1963 USSR ch-06 6364 – Round ? – Konstantinopolsky, Alexander – 1/2-1/2 – Simagin, Vladimir – G15 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. c3 Bxe4 7. Qxe4 Nf6 8. Qh4 Nbd7 9. Nf3 Bd6 10. Bf4 Qc7
1965 WchT U26 12. fin-A – Round 6 – Mnatsakanian, Eduard A – 1-0 – Kolbak, Jens – G35 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. c3 Be7 7. Bd3 Bg6 8. Ne2 Nf6 9. Nf4 Bxe4 10. Bxe4 Nxe4
1970 Vinkovci – Round 15 – Bronstein, David Ionovich – 1/2-1/2 – Hort, Vlastimil – G87 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. c3 Nf6 7. Nxf6+ Qxf6 8. Qg3 Nd7 9. Nf3 h6 10. Qc7 Rb8
76. Tata Steel Masters 2014 – Round 7.1 – Rapport, Richard – 1-0 – Harikrishna, Pentala – G36 1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Bf5 5. Qf3 Bg6 6. Ne2 e6 7. c3 Qd5 8. N2g3 Nd7 9. h4 h6 10. Bd3 Ngf6
FIDE World Cup 2017 – Round 1.2 – Bacrot, Etienne – 1/2-1/2 – Fier, Alexandr – G105 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Qf3 Qd5 6. Bd3 Bxe4 7. Qxe4 Nf6 8. Qxd5 cxd5 9. Nf3 Nc6 10. a3 e6
Qatar Masters Open 2015 – Round 1.39 – Piorun, Kacper – 1-0 – Mohammad Nubairshah Shaikh – G32 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. Ne2 Nf6 7. Nxf6+ Qxf6 8. Qb3 Qe7 9. Ng3 Bg6 10. h4 h6
World Blitz 2018 – Round 7.34 – Demchenko, Aleksandr – 1-0 – Esipenko, Andrey – G418 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. Ne2 Nd7 7. N2g3 Bg6 8. h4 h6 9. Bd3 Bxe4 10. Nxe4 Ngf6
World Blitz 2021 – Round 12.37 – Dvirnyy, Danyyil – 1/2-1/2 – Indjic, Aleksandar – G719 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. Ne2 Nf6 7. Nxf6+ Qxf6 8. Qb3 b6 9. Be3 Bd6 10. Ng3 Bg6
World Blitz 2021 – Round 14.23 – Mastrovasilis, Dimitrios – 1-0 – Fridman, Daniel – G821 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. Ne2 h5 7. c3 h4 8. Nf4 Nd7 9. Bd3 Ngf6 10. Ng5 Bxd3
World Blitz 2021 – Round 16.14 – Mastrovasilis, Dimitrios – 1/2-1/2 – Van Foreest, Jorden – G924 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. Ne2 Be7 7. N2g3 Bg6 8. c3 Nd7 9. h4 Bxe4 10. Nxe4 Ngf6
World Blitz 2021 – Round 19.24 – Mastrovasilis, Dimitrios – 1-0 – Jobava, Baadur – G1102 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. Ne2 h6 7. N2g3 Bg6 8. c3 Nd7 9. Bd3 Nb6 10. O-O Ne7
World Blitz 2021 – Round 21.58 – Szpar, Milosz – 1/2-1/2 – Suleymanli, Aydin – G1248 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. c3 Nd7 7. Ne2 Bxe4 8. Qxe4 Ngf6 9. Qf3 Qb6 10. g3 Be7

B18a — Classical (1930)

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5

Les coups candidats

5.Ng3 — 94.6% (59851 parties) →

Ambassadeurs : ? (143x), Dreev, Aleksey (117x), Zelcic, Robert (105x), Markus, Roland (102x), Egorov, Vladimir (96x), Garcia Palermo, Carlos Horacio (83x), Hort, Vlastimil (68x), Pomar Salamanca, Arturo (61x)

5.Nc5 — 2.7% (1678 parties) →

Ambassadeurs : Godena, Michele (23x), Narciso Dublan, Marc (22x), Arnason, Jon L (11x), Rublevsky, Sergei (11x), ? (9x), Fischer, Robert J (7x), Berzinsh, Roland (7x), Khenkin, Igor (7x)

5.Bd3 — 0.8% (502 parties)

Ambassadeurs : Weinzettl, Ernst (3x), ? (3x), Wharton, William (2x), Romano, Raul (2x), Martin Del Campo Cardenas, Roberto Abel (2x), Samford, Sean (2x), Ansehn, Bertil (2x), Aaron B Philip (2x)

5.Nc3 — 0.7% (422 parties)

Ambassadeurs : Sancho, Steven (2x), Marx, Gemma M (2x), Poblete, Litos (2x), De Arriba Gonzalez, Hector (2x), Sonntag, Joachim (2x), Rato, Ana Margarida Portugal Do (2x), Obermeier, Karlheinz (2x), Friedrich, Wolfgang (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Ng3	5.Nc5	5.Bd3	5.Nc3
<1800	5646	93%	1%	2%	2%
1800-2200	25830	96%	2%	0%	0%
2200-2600	20780	95%	4%	0%	0%
2600+	1075	96%	3%	0%	—

Évolution par décennie (% des parties)

Décennie	N parties	5.Ng3	5.Nc5	5.Bd3	5.Nc3
1950s	246	99%	—	0%	0%
1960s	979	98%	1%	1%	0%
1970s	1078	95%	2%	1%	0%
1980s	2023	95%	3%	0%	0%
1990s	8350	93%	3%	1%	1%
2000s	19660	94%	3%	1%	1%
2010s	25528	95%	2%	1%	1%
2020s	5371	94%	2%	1%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Ng3	95%	94%	▼ -1.0%
5.Nc5	2%	2%	▼ -0.8%
5.Bd3	1%	1%	+0.2%
5.Nc3	1%	1%	+0.1%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Botvinnik, Mikhail — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 8 parties
Kramnik, Vladimir — 7 parties
Gukesh D — 2 parties
Smyslov, Vladimir — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

5.Ng3 — 94.6% (59851 parties)

1950 — Cortlever, Nico vs Mueller, Hans — 1-0 — Dubrovnik CRO
1950 — O'Kelly, Albéric de Galway vs Pfeiffer, Gerhard — 1/2-1/2 — Bled SLO
1950 — Kramer, Haije vs Bosch van Rosenthal, Edzard — 1/2-1/2 — Amsterdam NED
1950 — Unruh, Heinrich vs Lauterbach, Werner — 0-1 — Bretten
1950 — Cortlever, Nico vs Bosch van Rosenthal, Edzard — 1/2-1/2 — It Beverwijk NED

5.Nc5 — 2.7% (1678 parties)

1964 — Fischer, Robert J vs De Gruchy, Phil R — 1-0 — Montreal CAN
1964 — Fischer, Robert J vs Mantia, Anthony M — 1-0 — Columbus, OH USA
1964 — Fischer, Robert J vs Sanders, Marlon — 0-1 — Sacramento
1964 — Fischer, Robert J vs Mobley, H. — 1-0 — Cleveland, OH USA
1964 — Fischer, Robert J vs Sanders, Marcus — 0-1 — Californien

5.Bd3 — 0.8% (502 parties)

1958 — Succar, Mohammad vs Zografakis, Aristidis — 1/2-1/2 — Munich GER
1960 — Karim, Wahid vs Kaliwoda, Kurt — 1/2-1/2 — Leipzig GER
1961 — Persitz, Raaphi vs Porath, Yosef — 0-1 — Netanya ISR
1964 — Adelman, Steve vs Rackwitz, Aart J — 0-1 — Oakland
1965 — Webster, Peter vs Foelker — 1-0 — Wisconsin

5.Nc3 — 0.7% (422 parties)

1959 — Collins, Paul H vs Collins, Richard — 0-1 — Hayes
1960 — Perrottey vs Dunkelblum, Arthur — 0-1 — Leipzig olm
1963 — Friedrich, Wolfgang vs Fabisch, X. — 0-1 — Buende
1968 — Siren, Borje vs Lillberg, Harry — 1/2-1/2 — ?
1971 — Ortiz, Bert vs Berry, Jonathan — 0-1 — Portland, OR USA

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