B20a — Sicilian Defence

1.e4 c5 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plan principal. Attaque sur le roi adverse resté au centre.

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. Nf3 (Développer Ng1) ; d3 (Libérer Bc1) ; Bd3 (Développer Bf1) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Attaque sur le roi adverse resté au centre.

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. ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...Nf6 (Développer Ng8) ; ...c4 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● d5 (1v0)	● d4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
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, ● d2-d3, ● e4-e5, ● f2-f3	● …c5-c4, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1960 Friendly – Round ? – Hughes, Rhian – 0-1 – Collins, Richard Arnold – G14 1. e4 c5 2. Na3 d6 3. g3 b6 4. f4 Bb7 5. Bg2 g6 6. d4 Bg7 7. d5 Nf6 8. Bd2 Nxe4 9. Bc3 Nxc3 10. Qd3 Na4
1961 Skittles – Round ? – Souza, Anthony – 0-1 – Blackstone, John – G1 1. e4 c5 2. f3 e6 3. Nc3 Bd6 4. Bc4 Qh4+ 5. g3 Bxg3+ 6. Ke2 d5 7. Bb5+ Bd7 8. h3 dxe4 9. Ke3 Qf4+ 10. Ke2 Bxb5+
51. Biel GM 2018 – Round 10.2 – Carlsen, Magnus – 1-0 – Georgiadis, Nico – G29 1. e4 c5 2. Na3 g6 3. Nf3 Bg7 4. c3 d5 5. exd5 Qxd5 6. Bc4 Qe4+ 7. Kf1 Be6 8. Qa4+ Nd7 9. d4 Nf6 10. Bg5 Bxc4+
EU-Cup 24th 2008 – Round 3 – Zvjaginsev, Vadim – 1/2-1/2 – Wang, Yue(SH) – G16 1. e4 c5 2. Na3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. d3 e6 6. Qe2 Be7 7. f4 f5 8. e5 d5 9. c4 Nh6 10. Nf3 Rb8
Jerusalem FIDE Grand Prix 2019 – Round 1.4 – Wei, Yi – 1-0 – Giri, Anish – G26 1. e4 c5 2. Be2 Nc6 3. f4 d5 4. d3 g6 5. Nf3 Nf6 6. e5 Nh5 7. O-O Ng7 8. Be3 d4 9. Bf2 Ne6 10. g3 Bg7
Lindores Abbey Tal Memorial 2021 – Round 11.28 – Fedoseev, Vladimir – 1-0 – Muzychuk, Mariya – G486 1. e4 c5 2. h3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. c3 Nc6 6. Nf3 d5 7. exd5 exd5 8. Qe2+ Be7 9. Bb5 Nf6 10. Ne5 Bd7
Lindores Abbey Tal Memorial 2021 – Round 13.23 – Vachier-Lagrave, Maxime – 1-0 – Yilmaz, Mustafa – G563 1. e4 c5 2. h3 e6 3. Nf3 Nc6 4. Nc3 a6 5. g4 d6 6. Bg2 Nf6 7. d4 cxd4 8. Nxd4 Be7 9. Be3 O-O 10. Qe2 Nxd4
Lindores Abbey Tal Memorial 2021 – Round 4.45 – Fedoseev, Vladimir – 1-0 – Vantika Agrawal – G205 1. e4 c5 2. h3 d6 3. Bb5+ Nd7 4. c4 a6 5. Ba4 Nf6 6. Nc3 e6 7. Nge2 Be7 8. O-O O-O 9. d3 Qc7 10. f4 b6
Lindores Abbey Tal Memorial 2021 – Round 8.30 – Fedoseev, Vladimir – 1-0 – Abasov, Nijat – G362 1. e4 c5 2. h3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nf3 Nc6 6. Bb5 Qb6 7. a4 Be7 8. O-O O-O 9. Re1 d6 10. exd6 Bxd6
Moscow Superblitz 2006 – Round 11 – Morozevich, Alexander – 1-0 – Grachev, Boris – G23 1. e4 c5 2. Na3 d6 3. c3 Nf6 4. g3 g6 5. Bg2 Bg7 6. d4 cxd4 7. cxd4 O-O 8. Ne2 Qa5+ 9. Bd2 Qa6 10. O-O Bg4
Moscow Superblitz 2006 – Round 13 – Savchenko, Boris – 0-1 – Morozevich, Alexander – G34 1. e4 c5 2. Na3 Nc6 3. Nf3 g6 4. c3 Nf6 5. d3 Bg7 6. Be2 O-O 7. O-O e5 8. Nc4 d6 9. a4 h6 10. Nfd2 Be6
Moscow Superblitz 2006 – Round 14 – Svidler, Peter – 0-1 – Jakovenko, Dmitry – G38 1. e4 c5 2. Na3 Nc6 3. Bb5 g6 4. d3 Bg7 5. h3 Nh6 6. Qe2 O-O 7. Nf3 f6 8. Be3 d6 9. c3 Nf7 10. O-O e5
Moscow Superblitz 2006 – Round 16 – Svidler, Peter – 0-1 – Malakhov, Vladimir – G47 1. e4 c5 2. Na3 Nc6 3. Bb5 Qc7 4. c3 Nf6 5. Qe2 d6 6. Nf3 a6 7. Ba4 b5 8. Bc2 e5 9. h3 Be7 10. O-O O-O
Moscow Superblitz 2006 – Round 19 – Malakhov, Vladimir – 1/2-1/2 – Shipov, Sergei – G58 1. e4 c5 2. Na3 b6 3. g3 Bb7 4. Bg2 g6 5. Ne2 Bg7 6. c3 Nf6 7. d3 O-O 8. O-O d6 9. e5 Bxg2 10. exf6 Bxf1
Moscow Superblitz 2006 – Round 21 – Malakhov, Vladimir – 0-1 – Grachev, Boris – G65 1. e4 c5 2. Na3 b6 3. g3 Bb7 4. Bg2 d5 5. d3 dxe4 6. Bxe4 Bxe4 7. dxe4 Qxd1+ 8. Kxd1 Nc6 9. c3 Nf6 10. f3 O-O-O+
Moscow Superblitz 2006 – Round 3 – Morozevich, Alexander – 1-0 – Savchenko, Boris – G5 1. e4 c5 2. Na3 b6 3. g3 Bb7 4. Bg2 f5 5. d3 Nf6 6. Qe2 e6 7. Nh3 g6 8. O-O Bg7 9. Nc4 O-O 10. Bg5 h6
Moscow Superblitz 2006 – Round 9 – Malakhov, Vladimir – 0-1 – Kobalia, Mikhail – G17 1. e4 c5 2. Na3 Nc6 3. Bb5 g6 4. d3 Bg7 5. Bxc6 bxc6 6. Qe2 d6 7. f4 Rb8 8. c3 Nf6 9. Nf3 O-O 10. O-O Ba6
Moscow Superblitz 2006 – Round 9 – Svidler, Peter – 1-0 – Korotylev, Alexey – G16 1. e4 c5 2. Na3 Nc6 3. Bb5 Nd4 4. Ba4 g6 5. c3 Nc6 6. Nf3 Bg7 7. d4 cxd4 8. cxd4 Nf6 9. d5 Nb4 10. O-O O-O
RUS Ch Superfinal 2005 – Round 2 – Zvjaginsev, Vadim – 1-0 – Khalifman, Alexander – G11 1. e4 c5 2. Na3 Nc6 3. Bb5 Qc7 4. Nf3 g6 5. c3 a6 6. Bxc6 Qxc6 7. O-O Bg7 8. d4 d6 9. d5 Qc7 10. h3 Nf6
RUS Ch Superfinal 2005 – Round 7 – Zvjaginsev, Vadim – 1/2-1/2 – Dreev, Aleksey – G38 1. e4 c5 2. Na3 e6 3. c3 d5 4. e5 Nc6 5. Nf3 Bd7 6. g3 a6 7. Nc2 Rc8 8. Bg2 Qc7 9. Qe2 c4 10. O-O Bc5
RUS Ch Superfinal 2005 – Round 9 – Zvjaginsev, Vadim – 1/2-1/2 – Motylev, Alexander – G49 1. e4 c5 2. Na3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. d3 Bg7 6. f4 d5 7. e5 f6 8. Qe2 fxe5 9. fxe5 Nh6 10. Nf3 Bg4
TCh-RUS 2008 – Round 4 – Zvjaginsev, Vadim – 1/2-1/2 – Sakaev, Konstantin – G108 1. e4 c5 2. Na3 Nc6 3. Bb5 Qc7 4. Nf3 Nf6 5. d3 g6 6. O-O Bg7 7. Bxc6 bxc6 8. h3 d6 1/2-1/2
Turin ol (Men) 37th 2006 – Round 8 – Sasikiran, Krishnan – 1-0 – Cheparinov, Ivan – G107 1. e4 c5 2. Na3 d6 3. c3 Nf6 4. g3 Nc6 5. Bg2 d5 6. exd5 Nxd5 7. Nf3 Bg4 8. h3 Bxf3 9. Bxf3 e6 10. d3 Be7
World Blitz 2017 – Round 13.45 – Kovalev, Vladislavadislav – 1-0 – Demchenko, Anton – G697 1. e4 c5 2. Be2 d6 3. d3 g6 4. f4 Bg7 5. Nf3 Nc6 6. O-O e6 7. c3 Nge7 8. Be3 b6 9. Nbd2 Bb7 10. a3 d5
World Blitz 2017 – Round 14.38 – Kovalev, Vladislavadislav – 0-1 – Volokitin, Andrei – G741 1. e4 c5 2. Be2 Nc6 3. d3 e6 4. f4 d5 5. Nf3 Bd6 6. O-O Nge7 7. c3 f6 8. Na3 a6 9. Nc2 Qc7 10. g3 O-O
World Blitz 2017 – Round 19.39 – Kovalev, Vladislavadislav – 1-0 – Moiseenko, Alexander – G1000 1. e4 c5 2. Be2 Nc6 3. d3 g6 4. f4 Bg7 5. Nf3 Nf6 6. O-O O-O 7. c3 d6 8. Kh1 b5 9. a3 Bb7 10. Be3 a5
World Blitz 2017 – Round 2.59 – Adhiban, B. – 1-0 – Farhan, Marwan Ali – G113 1. e4 c5 2. Be2 e6 3. f4 Nc6 4. Nf3 Nf6 5. d3 Be7 6. O-O b6 7. Kh1 O-O 8. c3 Bb7 9. Qe1 d6 10. Be3 Ng4
World Blitz 2018 – Round 12.32 – Tsoi, Dmitry – 0-1 – Sarana, Alexey – G716 1. e4 c5 2. Be2 Nc6 3. f4 g6 4. Nf3 Bg7 5. d3 d5 6. O-O e6 7. Nbd2 Nge7 8. c3 b5 9. Nb3 c4 10. dxc4 bxc4
World Blitz 2019 – Round 11.12 – Savchenko, Boris – 1/2-1/2 – Vachier-Lagrave, Maxime – G723 1. e4 c5 2. Na3 Nc6 3. Bb5 g6 4. c3 Bg7 5. f4 Nf6 6. Qe2 O-O 7. Nf3 d5 8. e5 Ne8 9. h3 Nc7 10. Ba4 f6
World Blitz 2019 – Round 18.17 – Savchenko, Boris – 1-0 – Gelfand, Boris – G1197 1. e4 c5 2. Na3 Nf6 3. d3 Nc6 4. f4 g6 5. c3 d6 6. Nf3 Bg7 7. Be2 O-O 8. O-O Rb8 9. Bd2 b5 10. Rc1 b4
World Blitz 2023 – Round 5.19 – Van Foreest, Lucas – 1-0 – Andreikin, Dmitry – G271 1. e4 c5 2. Qg4 Nf6 3. Qh4 Nc6 4. Nf3 d6 5. Bb5 Bd7 6. d3 Qa5+ 7. Nc3 Nd4 8. Bxd7+ Nxd7 9. O-O Nxc2 10. Rb1 e6
World Rapid 2016 – Round 10.26 – Aleksandrov, Aleksej – 0-1 – Leko, Peter – G386 1. e4 c5 2. Be2 Nc6 3. c3 Nf6 4. d3 d5 5. Nd2 e5 6. Ngf3 Be7 7. O-O O-O 8. a3 d4 9. cxd4 cxd4 10. b4 b5

B20a — Sicilian Defence

1.e4 c5

Les coups candidats

2.Nf3 — 75.6% (1580494 parties) →

Ambassadeurs : ? (2840x), Jansa, Vlastimil (1359x), Sax, Gyula (1148x), Sorcinelli, Andrea (879x), Da Silva Filho, Alcindo Luz Bastos (794x), Matulovic, Milan (742x), Tal, Mikhail (721x), Vasiukov, Evgeni (663x)

2.Nc3 — 10.3% (214753 parties) →

Ambassadeurs : Mitkov, Nikola (293x), ? (254x), Lyell, Mark (233x), Starostits, Ilmars (188x), Gdanski, Jacek (167x), Bastian, Herbert (142x), Parkanyi, Attila (139x), Balashov, Yuri (134x)

2.c3 — 7.3% (151706 parties) →

Ambassadeurs : Sveshnikov, Evgeny (468x), Sermek, Drazen (314x), Godena, Michele (308x), Stevic, Hrvoje (292x), Pavasovic, Dusko (284x), ? (282x), Karpatchev, Aleksandr (270x), Jonkman, Harmen (269x)

2.d4 — 2.1% (44388 parties) →

Ambassadeurs : ? (223x), Zelic, Mladen (180x), Morin, Louis (172x), Lochte, Thomas (152x), Vasquez Anabalon, Fernando (121x), Acuna Moore, Kevin Stiven (96x), Morvay, Miklos (89x), Simmelink, Joop Theo (86x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	2.Nf3	2.Nc3	2.c3	2.d4
<1800	79829	70%	12%	7%	4%
1800-2200	732601	72%	12%	8%	3%
2200-2600	830898	80%	8%	7%	1%
2600+	28726	89%	6%	3%	0%

Évolution par décennie (% des parties)

Décennie	N parties	2.Nf3	2.Nc3	2.c3	2.d4
10s	1	100%	—	—	—
1620s	3	—	—	—	—
1780s	1	—	—	—	—
1790s	6	33%	17%	—	—
1800s	2	50%	50%	—	—
1810s	2	—	—	—	—
1830s	38	16%	—	—	—
1840s	98	13%	—	2%	26%
1850s	233	37%	—	1%	22%
1860s	151	46%	17%	—	13%
1870s	123	52%	32%	—	11%
1880s	279	46%	47%	—	2%
1890s	205	63%	27%	1%	3%
1900s	672	57%	27%	4%	6%
1910s	320	69%	9%	1%	11%
1920s	1248	72%	13%	1%	4%
1930s	2109	78%	13%	0%	2%
1940s	2735	80%	11%	1%	1%
1950s	11069	85%	7%	2%	2%
1960s	25735	85%	8%	2%	2%
1970s	46272	82%	8%	5%	2%
1980s	83732	77%	8%	7%	3%
1990s	341360	72%	11%	9%	3%
2000s	646087	74%	11%	8%	2%
2010s	718029	77%	10%	7%	2%
2020s	211080	80%	10%	6%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
2.Nf3	77%	80%	▲ +2.8%
2.Nc3	10%	10%	-0.4%
2.c3	7%	6%	▼ -0.9%
2.d4	2%	1%	▼ -0.5%

Joueurs célèbres

Champions du monde dans cette position

Steinitz, Wilhelm — 10 parties
Lasker, Emanuel — 10 parties
Alekhine, Alexander — 10 parties
Euwe, Max — 10 parties
Botvinnik, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Karpov, Aleksandr — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Fischer, Robert James — 7 parties
Capablanca, Jose Raul — 1 partie

Parties historiques

2.Nf3 — 75.6% (1580494 parties)

11 — Vujadinovich, Milan vs Arnhold, Albrecht — 1-0 — IECC
1792 — Janetschek, Karl vs Kormanyos, Zoltan — 1-0 — Kecskemet HUN
1792 — Tuominen, Martti vs Groiss, Werner — 1/2-1/2 — ?
1807 — Monteagudo Garrido, Pedro vs Santamaria Bo, Jose Maria — 1-0 — ESP
1834 — McDonnell Bond, Alex vs De Labourdonnais, L. — 0-1 — London ENG

2.Nc3 — 10.3% (214753 parties)

1793 — Hlavac, Frantisek vs Djeno, Drago — 1-0 — Bayern
1801 — ? vs Marti Severino, Adolfo Jose — 0-1 — Naples 1723
1861 — Paulsen, Louis vs Campbell, Joseph Graham — 0-1 — London ENG
1862 — Paulsen, Laurids vs Anderssen, Adolf — 1-0 — London ENG
1862 — Paulsen, Louis vs Anderssen, Adolf — 1-0 — London ENG

2.c3 — 7.3% (151706 parties)

1841 — Popert, Wolf Meyer vs Staunton, Howard — 1-0 — London ENG
1842 — Schulten, John W vs Saint Amant, Pierre C — 0-1 — Paris FRA
1855 — Zytogorski, Adolf vs Barnes, Thomas — 1-0 — London ENG
1855 — HealeySmith vs KlingWorrell — 1/2-1/2 — London ENG
1898 — Alapin, Simon vs Tarrasch, Siegbert — 0-1 — Vienna AUT

2.d4 — 2.1% (44388 parties)

1842 — Cochrane, John Miles vs Staunton, Howard — 0-1 — London ENG
1842 — Cochrane, John Miles vs Staunton, Howard — 1/2-1/2 — London ENG
1842 — Cochrane, John Miles vs Staunton, Howard — 0-1 — London ENG
1842 — Cochrane, John Miles vs Staunton, Howard — 0-1 — London ENG
1842 — Cochrane, John Miles vs Staunton, Howard — 1-0 — London ENG

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