B12a — Caro-Kann: 2.d4

1.e4 c6 2.d4 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les cavaliers b1 et g1, les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nbd2 (Développer Nb1) ; Nf3 (Développer Ng1) ; Be3 (Développer Bc1) ; Bd3 (Développer Bf1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les cavaliers b8 et g8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nf6 (Développer Ng8) ; ...Bd6 (Développer Bf8) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→c6, d7→c6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	6 (b1, g1, c1, f1, a1, h1)	6 (b8, g8, 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	semi-ouvert
Ruptures	● c2-c3, ● d4-d5, ● e4-e5, ● f2-f3	● …c6-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
? 1983 – Round ? – Nunn, John D M – 0-1 – Seirawan, Yasser – G8 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h6 8. Be3 Qb6 9. h5 Bh7 10. Qd2 Nc6
1931 Bled – Round 1 – Alekhine, Alexander – 1-0 – Tartakower, Savielly – G91 1. e4 c6 2. d4 Nf6 3. Bd3 d6 4. Nf3 e5 5. Nc3 Qc7 6. h3 h6 7. Be3 Be7 8. a4 Nbd7 9. Qd2 a6 10. a5 exd4
1931 It Bled SLO – Round 2 – Alekhine, Alexander – 1-0 – Tartakower, Savielly – G2 1. e4 c6 2. d4 Nf6 3. Bd3 d6 4. Nf3 e5 5. Nc3 Qc7 6. h3 h6 7. Be3 Be7 8. a4 Nbd7 9. Qd2 a6 10. Ne2 Nb6
1932 Londen – Round 2 – Milner Barry, Philip – 1-0 – Tartakower, Savielly – G6 1. e4 c6 2. d4 Nf6 3. e5 Nd5 4. c4 Nc7 5. Nc3 d6 6. f4 dxe5 7. fxe5 g6 8. Nf3 Bg7 9. Be3 f6 10. exf6 exf6
1940 Ventnor City – Round 4 – Adams, Weaver – 1-0 – Stephens L Walter – G13 1. e4 c6 2. d4 e6 3. Bd3 d5 4. e5 f5 5. exf6 Nxf6 6. f4 Be7 7. Nf3 O-O 8. O-O c5 9. c3 cxd4 10. cxd4 Nc6
1947 San Pablo blind sim – Round 32 – Najdorf, Miguel – 1-0 – Zigowski M – G28 1. e4 c6 2. d4 b5 3. Bd3 e6 4. Nf3 Nf6 5. O-O Qc7 6. Nc3 h5 7. e5 Nd5 8. Ne4 d6 9. exd6 Bxd6 10. b3 h4
1947 URS Ch sf – Round 10 – Liublinsky, Victor – 1/2-1/2 – Konstantinopolsky, Alexander – G24 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 Nc6 8. h5 Be4 9. Nxe4 dxe4 10. c3 cxd4
1949 Moskou ch-URS – Round 1 – Liublinsky, Victor – 1/2-1/2 – Sokolsky, Alexey – G111 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 Nc6 8. h4 cxd4 9. Bxd4 h6 10. Qd2 Bb4
1951 Chigorin Memorial – Round ? – Korchnoi, Viktor – 1-0 – Byvshev, Vasily – G19 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h6 8. Nf4 Bh7 9. Be3 Ne7 10. dxc5 Nec6
1954 DDR Ch 05th – Round 1 – Koch, Berthold – 1-0 – Franz, Joachim – G6 1. e4 c6 2. d4 Qc7 3. Nc3 d6 4. f4 e5 5. Nf3 Bg4 6. dxe5 dxe5 7. h3 Bxf3 8. Qxf3 Nd7 9. Bc4 Ngf6 10. g4 exf4
1955 Wch U20 final-A – Round 5 – Portisch, Lajos – 1-0 – Johannessen, Svein – G19 1. e4 c6 2. d4 Nf6 3. e5 Nd5 4. c4 Nc7 5. Nf3 d6 6. Be2 g6 7. O-O Bg7 8. Nc3 O-O 9. exd6 Qxd6 10. Ne4 Qd8
1958 GDR Ch Schkopau GER – Round 11 – Handel, Horst – 1-0 – Franz, Joachim – G67 1. e4 c6 2. d4 Qc7 3. Bd3 d6 4. Ne2 e5 5. O-O Nf6 6. c3 Be7 7. f4 Nbd7 8. Nd2 O-O 9. Nc4 exd4 10. e5 dxe5
1970 Vinkovci – Round 4 – Velimirovic, Dragoljub – 0-1 – Hort, Vlastimil – G81 1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Bg6 5. Ne2 e6 6. Nf4 Be7 7. Be3 Bg5 8. Nxg6 hxg6 9. f4 Bh4+ 10. Kd2 c5
1970 Vinkovci – Round 8 – Ozanic, Marijan – 0-1 – Hort, Vlastimil – G82 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Ne2 c5 7. Qb5+ Qd7 8. Qxd7+ Kxd7 9. c3 Nc6 10. Be3 Nge7
1972 Skopje ol (Men) fin-A – Round 15 – Gereben, Erno – 1/2-1/2 – Holm, Sejer – G104 1. d4 c6 2. e4 e6 3. Nf3 d6 4. c4 Ne7 5. Nc3 g6 6. Bg5 Bg7 7. Qd2 h6 8. Be3 Nd7 9. Bd3 c5 10. d5 exd5
1975 URS Team Ch – Round ? – Obukhovski, Edward A – 1-0 – Konnov, Oleg – G358 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Bd3 Bxd3 9. cxd3 Nd7 10. Be3 Qb6
1975 URS Team Ch – Round 1 – Lutikov, Anatoly S – 1/2-1/2 – Gurgenidze, Bukhuti – G356 1. e4 c6 2. d4 d5 3. Nd2 g6 4. Ngf3 Bg7 5. c3 Nd7 6. Bd3 dxe4 7. Nxe4 Ngf6 8. Nxf6+ Nxf6 9. O-O O-O 10. Re1 Bg4
1975 URS Team Ch – Round 5 – Zatulovskaya, Tatiana – 1/2-1/2 – Lakiunajte, S. – G357 1. e4 c6 2. d4 d5 3. e5 Bf5 4. c4 e6 5. Nc3 Ne7 6. Nge2 Bg6 7. Nf4 Nd7 8. h4 h6 9. cxd5 cxd5 10. Nb5 Nc6
22. ECU Club Cup 2006 – Round 7 – Ivanchuk, Vasyl – 1-0 – Ruck, Robert – G187 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h5 8. Nf4 Bh7 9. g5 Nc6 10. Qxh5 Nxd4
Amber Rapidplay 2002 – Round 8 – Shirov, Alexei – 1/2-1/2 – Morozevich, Alexander – G12 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 Nc6 8. dxc5 Rc8 9. Nd4 Nxd4 10. Qxd4 Bxc5
Amber-rapid 3rd 1994 – Round 3 – Nunn, John D M – 1-0 – Seirawan, Yasser – G16 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h5 8. Nf4 Nc6 9. Nxg6 fxg6 10. Ne2 hxg4
Bosna SuperGM 2000 – Round 5 – Morozevich, Alexander – 1/2-1/2 – Bareev, Evgeny – G22 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h5 8. Nf4 Nc6 9. Nxg6 fxg6 10. Ne2 Qb6
Brussels blitz 1987 – Round 1 – Van der Wiel, John T.H. – 1/2-1/2 – Ljubojevic, Ljubomir – G69 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 Nc6 8. dxc5 Nxe5 9. Nd4 Ne7 10. f4 N5c6
FIDE GP 2002 – Round 4.2 – Shirov, Alexei – 0-1 – Grischuk, Alexander – G86 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 cxd4 8. Nxd4 Bb4 9. Qd2 Nd7 10. a3 Qa5
FIDE WCh KO 2000 – Round 4.2 – Grischuk, Alexander – 1/2-1/2 – Ehlvest, Jaan – G115 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h5 8. Nf4 Nc6 9. Nxg6 fxg6 10. Ne2 cxd4
FIDE WCh KO 2001 – Round 1.1 – Asrian, Karen – 1/2-1/2 – Khenkin, Igor – G36 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 Nc6 8. dxc5 Nxe5 9. Nf4 Ne7 10. Bb5+ N7c6
FIDE WCh KO 2001 – Round 2.2 – Shirov, Alexei – 1/2-1/2 – Gyimesi, Zoltan – G206 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 Nc6 8. dxc5 Nxe5 9. Nf4 Ne7 10. Bb5+ N7c6
FIDE WCh KO 2001 – Round 4.2 – Ehlvest, Jaan – 0-1 – Bareev, Evgeny – G300 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h5 8. Nf4 Bh7 9. Bb5+ Nc6 10. Nxh5 cxd4
FIDE-Wch k.o. 1999 – Round 5.2 – Shirov, Alexei – 0-1 – Nisipeanu, Liviu-Dieter – G115 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h6 8. f4 Be7 9. Bg2 Bxh4+ 10. Kf1 Be7
GCT Blitz Paris 2019 – Round 18.4 – Caruana, Fabiano – 1-0 – Grischuk, Alexander – G89 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h5 8. Nf4 Bh7 9. Nxh5 Nc6 10. dxc5 Bxc5
GMA 2003 – Round 10 – Shirov, Alexei – 0-1 – Anand, Viswanathan – G65 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 Nc6 8. dxc5 Nxe5 9. Nf4 Ne7 10. Qe2 N7c6
GMA 2003 – Round 12 – Shirov, Alexei – 1/2-1/2 – Topalov, Veselin – G76 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 Nc6 8. dxc5 h5 9. Nf4 d4 10. Nxg6 fxg6
GMA 2003 – Round 9 – Grischuk, Alexander – 0-1 – Bareev, Evgeny – G56 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h5 8. Nf4 Bh7 9. Nxh5 cxd4 10. Nb5 Nc6
Hoogovens 1999 – Round 9 – Shirov, Alexei – 1-0 – Yermolinsky, Alex – G54 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h5 8. Nf4 Bh7 9. Nxh5 cxd4 10. Nb5 Nc6
Interpolis 1990 – Round 3 – Timman, Jan H – 1/2-1/2 – Seirawan, Yasser – G8 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h6 8. Be3 cxd4 9. Nxd4 Bb4 10. h5 Be4
Mar del Plata 1982 – Round 1 – Braga, Felipe De Souza – 1/2-1/2 – Timman, Jan H – G43 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 Nc6 8. dxc5 Nxe5 9. Nd4 Nf6 10. f4 Nexg4
RUS vs. ROW 2002 – Round 1 – Motylev, Alexander – 0-1 – Anand, Viswanathan – G6 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 Nc6 8. dxc5 a6 9. Nd4 h5 10. Nxc6 bxc6
RUS vs. ROW 2002 – Round 9 – Grischuk, Alexander – 0-1 – Shirov, Alexei – G71 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 Nc6 8. dxc5 Rc8 9. f4 Qh4+ 10. Bf2 Qxg4
Saint Louis Rapid 2017 – Round 7.1 – Kasparov, Garry – 0-1 – Navara, David – G31 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 Ne7 8. f4 h5 9. f5 exf5 10. g5 Nbc6
Thessaloniki olm 1984 – Round 3 – Nunn, John D M – 1-0 – Cocozza, Mario – G25 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 f6 8. Nf4 Bf7 9. exf6 cxd4 10. Qxd4 gxf6
Turin ol (Men) 37th 2006 – Round 5 – Grischuk, Alexander – 1/2-1/2 – Asrian, Karen – G67 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h5 8. Nf4 Bh7 9. Nxh5 cxd4 10. Nb5 Nc6
World Cup 1988 – Round 1 – Timman, Jan H – 0-1 – Karpov, Anatoly – G47 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h6 8. Be3 Nc6 9. dxc5 Nxe5 10. Nf4 a6

B12a —

1.e4 c6 2.d4

Eval: [+0.27]

Les coups candidats

2…d5 — 96.8% (306182 parties) →

Ambassadeurs : ? (578x), Burmakin, Vladimir (536x), Markus, Roland (456x), Meduna, Eduard (385x), Eperjesi, Laszlo Dr. (365x), Dreev, Aleksey (359x), Zelcic, Robert (329x), Marbourg, Denny (312x)

2…g6 — 2.0% (6257 parties) →

Ambassadeurs : Foisor, Cristina-Adela (80x), Csom, Istvan (60x), Khmiadashvili, Tamar (54x), Pape, Manfred (43x), Khotenashvili, Bella (41x), Nun, Jiri (36x), Blatny, Pavel (35x), Betko, Lubomir (33x)

2…d6 — 0.7% (2320 parties) →

Ambassadeurs : Xheladini, Mahmut (41x), Fragni, Enrico (26x), Burmakin, Vladimir (26x), Iliev, Dimitar (20x), Oliveira De Mattos, Carlos Eduar (19x), Knazovcik, Ladislav (17x), Scekic, Milos (14x), Hevir, Zlatko (13x)

2…Na6 — 0.2% (728 parties) →

Ambassadeurs : Yin, Stanley (16x), De Bruycker, Bernard (13x), Markovic, Miroslav (12x), Monfa Sole, Ramon (10x), Dovzik, Juri (9x), Voyska, Margarita (9x), Syed, Tareq (9x), Poley, Vladimir (9x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	2…d5	2…g6	2…d6	2…Na6
<1800	13765	97%	1%	1%	0%
1800-2200	116872	96%	2%	1%	0%
2200-2600	113200	97%	2%	0%	0%
2600+	5605	100%	0%	0%	0%

Évolution par décennie (% des parties)

Décennie	N parties	2…d5	2…g6	2…d6	2…Na6
1850s	1	100%	—	—	—
1860s	2	100%	—	—	—
1880s	21	90%	—	—	—
1890s	29	97%	—	3%	—
1900s	119	98%	—	1%	—
1910s	199	100%	—	—	—
1920s	493	99%	—	1%	—
1930s	805	99%	—	0%	—
1940s	646	99%	—	0%	—
1950s	923	98%	—	1%	—
1960s	3282	97%	2%	1%	—
1970s	4561	96%	3%	0%	0%
1980s	11910	97%	2%	0%	0%
1990s	50267	96%	3%	1%	0%
2000s	91231	96%	2%	1%	0%
2010s	111213	97%	2%	1%	0%
2020s	40579	98%	1%	0%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
2…d5	97%	98%	▲ +1.6%
2…g6	2%	1%	▼ -1.0%
2…d6	1%	0%	-0.4%
2…Na6	0%	0%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Lasker, Emanuel — 10 parties
Alekhine, Alexander — 10 parties
Smyslov, Vladimir — 10 parties
Euwe, Max — 10 parties
Tal, Mikhail — 10 parties
Botvinnik, Mikhail — 10 parties
Karpov, Aleksandr — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ding, Liren — 10 parties
Hou, Yifan — 10 parties
Gukesh D — 10 parties
Ju, Wenjun — 9 parties
Steinitz, Wilhelm — 1 partie
Fischer, Robert James — 1 partie

Parties historiques

2…d5 — 96.8% (306182 parties)

1858 — Cochrane, John Miles vs Somacarana — 0-1 — Calcutta IND
1864 — Zukertort, Johannes vs Lehmann Garcia, Daniel William — 1-0 — Poznan POL
1866 — Owen Louis B vs Mapes Robert — 1-0 — ?
1883 — Gunsberg, Isidor vs White, Max — 0-1 — Nuerenberg GER
1883 — Fritz, Alexander vs White, Max — 0-1 — Nuerenberg GER

2…g6 — 2.0% (6257 parties)

1961 — Kuznetsov, Viktor N vs Volovich, Anatoly — 1-0 — Moscow RUS
1964 — Walther, Edgar vs Abalos Leon, Yesel — 1-0 — Tel Aviv ISR
1964 — Filipowicz, Andrzej vs Ozsvath, Andras — 1-0 — Moscow RUS
1965 — Wang, Arthur D vs Bedford, M. — 1/2-1/2 — Berkeley, CA
1965 — Geszosz Pavlosz vs Foldi, Jozsef — 1-0 — Budapest HUN

2…d6 — 0.7% (2320 parties)

1899 — Lasker, Emanuel vs Allies, Chez-Ray — 1-0 — Moscow RUE
1905 — Robinson Alfred K vs Hanham, James — 1-0 — Cable Match
1928 — Kmoch, Hans vs Bechstedt, P — 1-0 — Giessen
1928 — Palau, Luis vs Montalban, Jose — 1-0 — Mar del Plata ARG
1928 — Von Holzhausen, Walther vs Bechstedt, P — 0-1 — Giessen

2…Na6 — 0.2% (728 parties)

1978 — Coll Davies, Tomas vs De Bruycker, Bernard — 0-1 — Londen
1978 — Huylebroeck, Roland vs De Bruycker, Bernard — 0-1 — Beker Oostvlaanderen
1978 — Stobik, Dietrich vs De Bruycker, Bernard — 1/2-1/2 — Dortmund GER
1978 — Pyrisch vs De Bruycker, Bernard — 0-1 — Londen
1978 — Henry, Paul vs De Bruycker, Bernard — 1/2-1/2 — Middlesborough (Teesside)

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