B20t — Sicilian: 2.d3 Nc6 3.g3

1.e4 c5 2.d3 Nc6 3.g3 * ● Trait aux Noirs

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 case forte f4 et 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. Nbd2 (Développer Nb1) ; Nf3 (Développer Ng1) ; Be3 (Développer Bc1) ; 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 les cases fortes b4 et d4, un avant-poste en d4 et 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 (le cavalier g8, les fous c8 et f8 et les tours a8 et h8).

Plans. ...d6 (Libérer Bc8) ; ...Nf6 (Développer Ng8) ; ...c4 (Rupture) ; ...d5 (Rupture) ; ...e6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, f2→g3, h2→g3, d3→e4	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0)	● b4 (2v0), ● d4 (2v0)
Cases faibles	—	—
Centre	● d5 (1v0), ● e4 (1v0)	● d4 (2v0), ● e5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 3)
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)	5 (● 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, ● d3-d4, ● e4-e5, ● f2-f3	● …c5-c4, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1954 Pan American Ch 2nd – Round 11 – Bisguier, Arthur B – 1/2-1/2 – Sherwin, James T – G25 1. e4 c5 2. d3 Nc6 3. g3 e6 4. Bg2 Nge7 5. Nf3 g6 6. O-O Bg7 7. Nc3 O-O 8. Be3 Nd4 9. Qd2 Re8 10. Bh6 Bh8
1957 Gotha – Round 1 – Robatsch, Karl – 1/2-1/2 – Pachman, Ludek – G5 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. c3 b6 6. Ne2 Ba6 7. O-O e6 8. f4 Nge7 9. Na3 O-O 10. Nc2 f5
1958 Corr Golden Knights – Round ? – Suyker, A. – 0-1 – Zalys, Ignas – G2 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. c3 d6 6. Nf3 Bg4 7. Qb3 Qb6 8. Qxb6 axb6 9. O-O b5 10. b3 Nb4
1959 Alekhine Memorial – Round 5 – Larsen, Bent Ravn – 0-1 – Bronstein, David I – G26 1. e4 c5 2. d3 Nc6 3. g3 d5 4. Nd2 Nf6 5. Bg2 e5 6. Ngf3 g6 7. O-O Bg7 8. exd5 Nxd5 9. c3 O-O 10. Qb3 Nde7
1959 CSR Ch – Round 8 – Kupka, Slavoj – 1/2-1/2 – Ujtelky, Maximilian – G64 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Be3 Bg7 5. c3 d6 6. Bg2 Nf6 7. h3 Bd7 8. Ne2 h5 9. f4 Qc8 10. Nd2 Rb8
1959 Lima – Round 12 – Letelier Martner, Rene – 0-1 – Pachman, Ludek – G65 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 e6 6. Nf3 Nge7 7. O-O O-O 8. g4 f5 9. exf5 exf5 10. g5 b6
1959 Moscow – Round 1 – Larsen, Benjamin Holsko – 0-1 – Bronstein, Daniel E – G15 1. e4 c5 2. d3 Nc6 3. g3 d5 4. Nd2 Nf6 5. Bg2 e5 6. Ngf3 g6 7. O-O Bg7 8. exd5 Nxd5 9. c3 O-O 10. Qb3 Nde7
1960 URS Ch sf – Round 14 – Barenboim, Grigory – 0-1 – Cherepkov, Alexander V – G109 1. e4 c5 2. d3 Nc6 3. g3 Nf6 4. Bg2 d5 5. Nd2 g6 6. Ne2 Bg7 7. O-O O-O 8. Nc3 d4 9. Ne2 e5 10. h3 Ne8
1961 Buenos Aires ch-ARG – Round 17 – Acosta Garcia, Rafael Isaac – 1/2-1/2 – Aguayo Cruz, Ramon Uriel – G108 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 e6 6. e5 Nge7 7. Nd2 d6 8. exd6 Qxd6 9. Ngf3 Qc7 10. O-O O-O
1961 ENG-NED m – Round 2.3 – Alexander, Conol Hugh – 1/2-1/2 – Langeweg, Kick – G14 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 e6 6. Nf3 Nge7 7. O-O O-O 8. c3 d5 9. Na3 b6 10. e5 Ba6
1962 Belgrade – Round 2 – Czerniak, Moshe – 0-1 – Janosevic, Dragoljub – G15 1. e4 c5 2. d3 Nc6 3. g3 d5 4. Nd2 Nf6 5. Bg2 g6 6. Ne2 Bg7 7. O-O O-O 8. f4 dxe4 9. dxe4 Ng4 10. Nc4 Be6
1962 BRA Ch – Round 6 – Gadia, Olicio – 1-0 – Alves, Francisco H B Severino – G13 1. e4 c5 2. d3 Nc6 3. g3 d6 4. Bg2 e6 5. Nd2 Bd7 6. Ngf3 Be7 7. h4 Qc7 8. a4 Nf6 9. O-O h6 10. Nc4 O-O-O
1963 Fortaleza zt – Round 11 – Gadia, Olicio – 0-1 – Garcia Rodriguez, Raimundo – G57 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Ne2 d6 6. O-O e5 7. f4 Nge7 8. Nd2 O-O 9. Nf3 b6 10. c3 Bb7
1963 Pan American Ch – Round 12 – Gadia, Olicio – 0-1 – Cobo Arteaga, Eldis – G52 1. e4 c5 2. d3 Nc6 3. g3 d5 4. Nd2 Nf6 5. Bg2 e6 6. Ne2 Be7 7. O-O O-O 8. h3 Qc7 9. g4 dxe4 10. dxe4 b6
1965 Malaga 5th – Round 4 – Gadia, Olicio – 0-1 – Pomar Salamanca, Arturo – G5 1. e4 c5 2. d3 Nc6 3. g3 d5 4. Nd2 Nf6 5. Bg2 g6 6. Ne2 Bg7 7. O-O O-O 8. h3 e5 9. Nb3 b6 10. Nc3 d4
1966 La Habana olm prel – Round 3 – Kroon, Piet – 0-1 – Brinck-Claussen, Bjorn – G53 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. Nc3 f5 7. exf5 gxf5 8. Nd5 e6 9. Nf4 Nf6 10. Ng5 O-O
1966 La Habana olm prel – Round 6 – Kroon, Piet – 0-1 – Sanguineti, Raúl Carlos – G230 1. e4 c5 2. d3 Nc6 3. g3 d5 4. Nd2 Nf6 5. Bg2 e5 6. exd5 Nxd5 7. Ngf3 Be7 8. Nc4 f6 9. a4 O-O 10. O-O Be6
1969 Tallinn it – Round 9 – Book, Eero – 0-1 – Damjanovic, Mato – G33 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 d6 6. Nf3 e6 7. O-O Nge7 8. c3 O-O 9. Nbd2 Rb8 10. Re1 b5
22. ECU Club Cup 2006 – Round 5 – Movsesian, Sergei – 1-0 – Agrest, Evgenij – G117 1. e4 c5 2. d3 Nc6 3. g3 d5 4. Nd2 Nf6 5. Bg2 Bg4 6. Ne2 e5 7. h3 Be6 8. f4 dxe4 9. dxe4 g6 10. O-O Bg7
40. Olympiad Open 2012 – Round 2.18 – Amin, Bassem – 0-1 – Leon Hoyos, Manuel – G113 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 d6 6. Nf3 e6 7. O-O Nge7 8. c3 O-O 9. Be3 b6 10. d4 Ba6
Biel Interzonal 1993 – Round 5 – Arencibia Rodriguez, Walter – 0-1 – Kramnik, Vladimir – G118 1. e4 c5 2. d3 Nc6 3. g3 d5 4. Nd2 Nf6 5. Bg2 e5 6. exd5 Nxd5 7. Ngf3 g6 8. O-O Bg7 9. Nc4 O-O 10. Re1 Re8
Corus 2001 – Round 2 – Fedorov, Alexeiei – 0-1 – Kasparov, Garry – G11 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 d6 6. Nf3 Nf6 7. O-O O-O 8. h3 b5 9. g4 9. ... a5 10. f5 b4
FIDE World Cup 2017 – Round 1.3 – Amin, Bassem – 1/2-1/2 – Erdos, Viktor – G136 1. e4 c5 2. d3 Nc6 3. g3 Nf6 4. Bg2 d5 5. Nd2 e5 6. Ngf3 Be7 7. O-O O-O 8. a4 Qc7 9. exd5 Nxd5 10. Nc4 Rd8
FIDE-Wch k.o. g/15+10 1999 – Round 4.5 – Fedorov Kozlov, Andrei – 0-1 – Movsesian, Sergei – G11 1. e4 c5 2. d3 Nc6 3. g3 d5 4. Nd2 Nf6 5. Bg2 g6 6. Ngf3 Bg7 7. O-O O-O 8. c3 e5 9. Qb3 dxe4 10. dxe4 h6
Tal Memorial Blitz 2008 – Round 11 – Movsesian, Sergei – 1-0 – Ponomariov, Ruslan – G95 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 e6 6. Nf3 Nge7 7. O-O O-O 8. c3 b6 9. Be3 Ba6 10. Bf2 Rc8
Tal Memorial Blitz 2008 – Round 27 – Movsesian, Sergei – 1/2-1/2 – Grachev, Boris – G224 1. e4 c5 2. d3 Nc6 3. g3 e6 4. Bg2 Nge7 5. f4 d6 6. Nf3 g6 7. O-O Bg7 8. c3 O-O 9. Be3 b6 10. Bf2 a5
Tal Memorial Blitz 2008 – Round 3 – Movsesian, Sergei – 1-0 – Gelfand, Boris – G21 1. e4 c5 2. d3 Nc6 3. g3 d5 4. Nd2 Nf6 5. Bg2 e5 6. Ngf3 Be7 7. O-O O-O 8. c3 Re8 9. exd5 Nxd5 10. Nc4 Bf8
Tal Memorial Blitz 2008 – Round 33 – Movsesian, Sergei – 0-1 – Carlsen, Magnus – G276 1. e4 c5 2. d3 Nc6 3. g3 d5 4. Nd2 Nf6 5. Bg2 e5 6. Ngf3 Be7 7. O-O O-O 8. c3 d4 9. Nc4 Qc7 10. cxd4 cxd4
World Blitz 2021 – Round 1.77 – Kuzmicz, Karol – 0-1 – Mastrovasilis, Dimitrios – G59 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 e6 6. Nf3 Nge7 7. O-O O-O 8. c3 d5 9. Na3 Rb8 10. e5 b5
World Blitz 2021 – Round 3.58 – Kuzmicz, Karol – 0-1 – Antipov Olano, Maxim – G182 1. e4 c5 2. d3 Nc6 3. g3 d5 4. Nd2 Nf6 5. Bg2 e5 6. Ngf3 Be7 7. O-O O-O 8. c3 Be6 9. exd5 Nxd5 10. Nc4 Qc7
World Blitz 2022 – Round 4.32 – Fedorov, Alexei – 0-1 – Shankland, Sam – G198 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 e6 6. Nf3 Nge7 7. O-O O-O 8. c3 b6 9. Be3 Bb7 10. Bf2 d6
World Blitz 2022 – Round 9.56 – Fedorov, Alexei – 0-1 – Idani, Pouya – G491 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 d6 6. Nf3 e5 7. O-O Nge7 8. f5 gxf5 9. Nh4 fxe4 10. dxe4 Be6
World Rapid 2021 – Round 7.70 – Kuzmicz, Karol – 0-1 – Donchenko, Alexander – G439 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 e6 6. Nf3 Nge7 7. O-O O-O 8. c3 b5 9. Be3 d6 10. d4 cxd4
Yerevan ol (Men) 1996 – Round 2 – Tu, Hoang Thong – 1/2-1/2 – Hracek, Zbynek – G11 1. e4 c5 2. d3 Nc6 3. g3 Nf6 4. Bg2 d5 5. Nd2 Bg4 6. Ne2 e5 7. h3 Bh5 8. g4 Bg6 9. g5 Nh5 10. exd5 Qxg5

B20t —

1.e4 c5 2.d3 Nc6 3.g3

Eval: [-0.11]

Les coups candidats

3…g6 — 66.0% (3218 parties)

Ambassadeurs : Strikovic, Aleksa (46x), Drljevic, Ljilja (42x), Visser, Yge (37x), Renner, Christoph (32x), Todorcevic Antic, Miodrag (26x), Burovic, Ismet (25x), Moser, Emily (22x), Movsziszian, Karen (22x)

3…d5 — 17.2% (839 parties)

Ambassadeurs : Strikovic, Aleksa (19x), Welling, Gerard (11x), Davies, Nigel R (10x), Visser, Yge (9x), Burovic, Rijad (8x), Drljevic, Ljilja (8x), Todorcevic Antic, Miodrag (7x), Sepp, Olav (7x)

3…e6 — 6.3% (307 parties)

Ambassadeurs : Drljevic, Ljilja (6x), Strikovic, Aleksa (5x), Bischoff, Klaus (4x), Beck, Michael (4x), Gallego Jimenez, Victoriano (3x), Garlipp, Bernhardt (3x), Vega Gutierrez, Sabrina (3x), Frois, Antonio (3x)

3…Nf6 — 4.5% (217 parties)

Ambassadeurs : Dorofeeva, Anna (5x), Foisor, Cristina-Adela (4x), Muzychuk, Mariya (4x), Maiwald, Jens-Uwe (4x), Mortensen, Erling (3x), Drljevic, Ljilja (3x), Bergez, Luc (3x), Fatalibekova, Elena (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3…g6	3…d5	3…e6	3…Nf6
<1800	115	57%	10%	4%	10%
1800-2200	1593	66%	13%	8%	5%
2200-2600	2461	68%	21%	5%	3%
2600+	48	62%	23%	2%	12%

Évolution par décennie (% des parties)

Décennie	N parties	3…g6	3…d5	3…e6	3…Nf6
1930s	1	100%	—	—	—
1950s	9	67%	22%	11%	—
1960s	27	63%	19%	7%	4%
1970s	55	65%	18%	4%	5%
1980s	154	68%	23%	3%	5%
1990s	1135	64%	20%	6%	3%
2000s	1895	69%	15%	6%	4%
2010s	1336	64%	17%	7%	5%
2020s	263	60%	20%	6%	11%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3…g6	64%	60%	▼ -4.5%
3…d5	17%	20%	▲ +3.2%
3…e6	7%	6%	▼ -1.4%
3…Nf6	5%	11%	▲ +5.9%

Joueurs célèbres

Champions du monde dans cette position

Gukesh D — 3 parties
Kasparov, Garry — 2 parties
Hou, Yifan — 2 parties
Kramnik, Vladimir — 1 partie
Ju, Wenjun — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

3…g6 — 66.0% (3218 parties)

1935 — Schlage, Willi vs Bluemich, Max — 1-0 — Aachen GER
1956 — Clemens, Christian, Dr. vs Mohrlok, Dieter — 0-1 — Traben Trarbach
1957 — Robatsch, Karl vs Pachman, Ludek — 1/2-1/2 — Gotha GER
1958 — Suyker, A. vs Zalys, Ignas — 0-1 — cr Golden Knights
1959 — Kupka, Slavoj vs Ujtelky, Maximilian — 1/2-1/2 — Bratislava SVK

3…d5 — 17.2% (839 parties)

1959 — Larsen, Bent Ravn vs Bronstein, David I — 0-1 — Moscow RUS
1959 — Larsen, Benjamin Holsko vs Bronstein, David Ionovich — 0-1 — Moscow RUS
1962 — Czerniak, Moshe vs Janosevic, Dragoljub — 0-1 — Belgrade SRB
1963 — Gadia, Olicio vs Letelier Martner, Rene — 0-1 — Havana CUB
1963 — Gadia, Olicio vs Cobo Arteaga, Eldis — 0-1 — Havana CUB

3…e6 — 6.3% (307 parties)

1954 — Bisguier, Arthur B vs Sherwin, James T — 1/2-1/2 — Los Angeles, CA USA
1965 — Colditz, Bjoern vs Bialas, Adrian — 0-1 — Berlin ch
1968 — Bernard, Ryszard vs Pytel, Krzysztof — 1/2-1/2 — Lodz POL
1974 — Joukl, Zdenek vs Neckar, Lubomir — 0-1 — Brno CZE
1975 — Ost-Hansen, Jacob vs Haas, Georges — 1/2-1/2 — Ostende

3…Nf6 — 4.5% (217 parties)

1960 — Barenboim, Grigory vs Cherepkov, Alexander V — 0-1 — Vilnius LTU
1971 — Novak, Ervin vs Neckar, Lubomir — 1/2-1/2 — Havirov CZE
1976 — Hansroul, Jacques vs Iversen, Odd — 0-1 — Kuortane
1978 — Bruun Hansen, Jesper vs Mortensen, Erling — 1-0 — Horsens
1981 — Striebich, Rudolf vs Braeunlin, Herbert — 1-0 — Waldshut GER ch-Bade

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