B20f — Sicilian: 2.g3

1.e4 c5 2.g3 * ● 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) ; d3 (Libérer 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) ; ...Nc6 (Développer Nb8) ; ...Nf6 (Développer Ng8) ; ...Bd6 (Développer Bf8).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	—
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. 7)
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
1904 Cambridge Springs – Round 9 – Lawrence, Thomas F – 1-0 – Mieses, Jacques – G18 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Nc6 6. Nc3 Qd7 7. h3 Bf5 8. d3 e5 9. Be3 Nf6 10. g4 Be6
1921 Nijmegen ch-NED – Round 4 – Loman, Rudolf – 1/2-1/2 – Schelfhout, Willem – G15 1. e4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 e6 5. Nge2 Nd4 6. e5 Ng8 7. O-O d5 8. exd6 Bxd6 9. Ne4 Nf6 10. Nxd6+ Qxd6
1922 Bad Pistyan – Round 4 – Balla, Zoltan Tibor – 0-1 – Saemisch, Friedrich – G29 1. e4 c5 2. g3 e6 3. Bg2 Nc6 4. c3 Qc7 5. d3 Nf6 6. f4 d6 7. Na3 a6 8. Nc2 Be7 9. Nf3 c4 10. Ne3 cxd3
1924 Gyor – Round 1 – Havasi, Kornel – 1/2-1/2 – Steiner, Endre – G32 1. e4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 e6 5. d3 Be7 6. Nge2 O-O 7. O-O b6 8. Nf4 Rb8 9. Re1 d6 10. Be3 b5
1924 Gyor – Round 1 – Steiner, Endre – 1-0 – Maroczy, Geza – G34 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O d6 6. Nbc3 Bd7 7. d3 Qc8 8. Nd5 Rb8 9. Nef4 h5 10. h4 Nh6
1924 Nordisk Skakforbund – Round 4 – Berndtsson, Karl – 1/2-1/2 – Olson, Anton – G4 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O e6 6. Nbc3 Nge7 7. d3 O-O 8. Bg5 a6 9. Qd2 Nd4 10. Nxd4 cxd4
1924 Paris FRA – Round 2 – Skalicka, Karel – 1/2-1/2 – Malmberg, Erik FIN2 – G5 1. e4 c5 2. g3 e6 3. Bg2 Nc6 4. Nc3 Nf6 5. d3 Be7 6. Nh3 d5 7. O-O O-O 8. f4 d4 9. Ne2 e5 10. f5 h6
1928 Mar del Plata – Round 3 – Palau, Luis – 1-0 – Vianna Neto, Levy Freire – G14 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O e6 6. c3 Nge7 7. d3 d6 8. Be3 O-O 9. Qd2 Re8 10. Na3 Rb8
1928 Vienna – Round 1 – Becker, Albert – 1-0 – Tartakower, Savielly – G16 1. e4 c5 2. g3 d6 3. Bg2 Nc6 4. Ne2 Bd7 5. c3 Qc8 6. h3 e5 7. Na3 Nf6 8. d4 Be7 9. Bg5 h6 10. Bxf6 gxf6
1929 Karlsbad – Round 1 – Becker, Albert – 1-0 – Gilg, Carl – G104 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. c3 e5 6. d3 Nge7 7. Be3 d6 8. O-O O-O 9. d4 exd4 10. cxd4 Qb6
1931 DSB-27.Kongress – Round ? – Porath, Yosef – 1/2-1/2 – Richter, Kurt – G40 1. e4 c5 2. g3 d6 3. Bg2 Nc6 4. c3 g6 5. d4 cxd4 6. cxd4 Qb6 7. Ne2 Bg7 8. Nbc3 Nf6 9. O-O O-O 10. h3 Bd7
1931 Praag olm – Round 6 – Balogh, Janos – 1-0 – Vilardebo, Jose – G36 1. e4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 d6 5. Nge2 g6 6. d3 Bg7 7. O-O a6 8. f4 Bg4 9. h3 Bxe2 10. Nxe2 h6
1932 Semmering m – Round 7 – Spielmann, Rudolf – 1-0 – Bogoljubow, Efim – G7 1. e4 c5 2. g3 d5 3. Bg2 dxe4 4. Nc3 f5 5. f3 exf3 6. Nxf3 Nc6 7. O-O e5 8. d3 Be7 9. Qe2 Bf6 10. Be3 Qd6
1935 Hastings3536 – Round 3 – Tartakower, Savielly – 1-0 – De Winter Gallegos, Willy – G15 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Nc6 6. h3 Bh5 7. O-O Nf6 8. g4 Bg6 9. d3 e6 10. Bf4 Qd7
1935 Tatatovaros – Round 4 – Von Balla, Zoltan – 0-1 – Szabo, Laszlo – G24 1. e4 c5 2. g3 d5 3. Bg2 dxe4 4. Bxe4 Nf6 5. Bg2 Nc6 6. Ne2 Bf5 7. d3 Qd7 8. Bg5 Bh3 9. Bxh3 Qxh3 10. Bxf6 gxf6
1939 Kemeri / Riga – Round 1 – Bezruchko, Georgs – 0-1 – Szabo, Ladislav – G44 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Qf3 Nf6 5. Nc3 Qd8 6. Bb5+ Nbd7 7. Nd5 Nxd5 8. Qxd5 e6 9. Qb3 Be7 10. Nf3 O-O
1941 Munchen – Round 14 – Kieninger, Georg – 1-0 – Leepin, Peter – G99 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. c3 e5 6. d3 d6 7. Na3 f5 8. O-O Nf6 9. Bg5 O-O 10. Nc2 h6
1950 Amsterdam – Round 13 – Gudmundsson, Gardar Vidir – 0-1 – Stahlberg, Gideon – G131 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. c3 Bg7 5. d3 d6 6. Ne2 Bg4 7. Be3 Qc8 8. h3 Bd7 9. Nd2 Nf6 10. Qc2 O-O
1952 Rio de Janeiro – Round 5 – Trifunovic, Petar – 1-0 – Bolbochan, J. – G26 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Qe6+ 6. Kf1 Bh3 7. Nc3 Nc6 8. d3 Nf6 9. Be3 b6 10. Ng5 Bxg2+
1952 Rio de Janeiro – Round 7 – Trifunovic, Petar – 1/2-1/2 – Rossetto, Hector – G35 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O e6 6. c3 Nge7 7. d4 cxd4 8. Nxd4 Nxd4 9. cxd4 d5 10. exd5 Nxd5
1953 POL-ch11 – Round 14 – Ziembinski, Marian – 1/2-1/2 – Doda, Zbigniew – G87 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O d6 6. d3 Bd7 7. c3 Rc8 8. Kh1 h5 9. h3 Nh6 10. f4 f5
1953 Zagreb – Round 3 – Trifunovic, Petar – 1-0 – Bulat, Ante – G42 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O d6 6. c3 Nf6 7. d4 cxd4 8. cxd4 O-O 9. Nbc3 Bd7 10. h3 Rc8
1956 Belgrade – Round 1 – Trifunovic, Petar – 0-1 – Petrosian, Tigran A. – G9 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Qe6+ 6. Kf1 Nc6 7. d3 Qd7 8. h3 Bf5 9. Nc3 e5 10. Be3 Rd8
1957 Gotha – Round 1 – Pachman, Ludek – 1-0 – Vasiukov, Arkadii – G8 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O d6 6. c3 e5 7. d3 Nge7 8. Be3 O-O 9. d4 cxd4 10. cxd4 d5
1957 San Nicolas – Round 8 – Giustina, Orestes – 0-1 – Pelikán, Jiří – G10 1. e4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 g6 5. Nge2 Bg7 6. Nd5 d6 7. Nxf6+ Bxf6 8. c3 Bd7 9. O-O h5 10. h4 Bg4
1959 Tbilisi ch-URS – Round 11 – Gurgenidze, Bukhuti – 1/2-1/2 – Geller, Efim P – G87 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O Nf6 6. Nbc3 d6 7. d3 O-O 8. h3 Nd4 9. Be3 Ne8 10. f4 f5
1960 Buenos Aires – Round 12 – Pachman, Ludek – 1/2-1/2 – Taimanov, Mark E – G130 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Qe6+ 6. Kf1 Bh3 7. d4 cxd4 8. Nxd4 Qd7 9. Nc3 Nc6 10. Nxc6 Qxc6
1960 Madrid zt – Round 9 – Pachman, Ludek – 1/2-1/2 – Lehmann, Heinz – G65 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O d6 6. c3 e5 7. d3 Nge7 8. Be3 O-O 9. d4 cxd4 10. cxd4 d5
1961 Arlesheim int – Round 8 – Lehmann, Heinz – 0-1 – Krivec Slavko – G20 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. c3 e5 6. O-O Nge7 7. d3 d5 8. Be3 d4 9. cxd4 cxd4 10. Bd2 O-O
1961 Moscow Ch – Round ? – Kuznetsov, Viktor N – 0-1 – Aronin, Lev – G59 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Nc6 6. Nc3 Qd7 7. h3 Bh5 8. O-O Nf6 9. d3 e6 10. Ne2 e5
1961 Moscow Ch – Round ? – Kuznetsov, Viktor N – 0-1 – Ignatiev, Felix N – G64 1. e4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Ne2 g6 5. O-O Bg7 6. c3 d5 7. d3 O-O 8. Nd2 e5 9. exd5 Nxd5 10. Qb3 Nde7
1961 Moscow Ch – Round ? – Kuznetsov, Viktor N – 0-1 – Simagin, Vladimir – G61 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. c3 b6 6. d4 Ba6 7. Be3 cxd4 8. cxd4 Rc8 9. Nbc3 Nf6 10. h3 O-O
1961 Moscow Ch – Round ? – Simagin, Vladimir – 0-1 – Korzin, Vitaly A – G58 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O Nf6 6. Nbc3 O-O 7. d3 d6 8. f4 Rb8 9. f5 Bd7 10. Nf4 Nd4
1961 Zagreb – Round 14 – Krstev, Krum – 1/2-1/2 – Stupica, Janez – G115 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O e6 6. c3 Nge7 7. d4 cxd4 8. cxd4 d5 9. exd5 Nxd5 10. Nbc3 Nde7
1961 Zagreb – Round 7 – Krstev, Krum – 0-1 – Damjanovic, Marko – G67 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. c3 e5 6. O-O Nge7 7. d3 O-O 8. Be3 b6 9. d4 d6 10. f4 cxd4
1961 Zagreb – Round 9 – Krstev, Krum – 0-1 – Sokolov, Vladimir – G82 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O e6 6. c3 d5 7. exd5 exd5 8. Nf4 Nge7 9. Qb3 c4 10. Qb5 a6
1961 Zevenaar – Round 13 – Lehmann, Heinz – 1-0 – Milic, Bozidar – G16 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. c3 e5 6. d3 d6 7. Be3 Nf6 8. h3 O-O 9. O-O Qe7 10. Nd2 Bd7
1963 Hamburg BUE Cup – Round 4 – Schoenmann, Wilhelm – 1/2-1/2 – Degenhardt, Norbert – G4 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Qf3 Qxf3 5. Nxf3 Nc6 6. Bg2 g6 7. O-O Bg7 8. Nc3 Bf5 9. d3 Rc8 10. Be3 b6
1963 Hamburg BUE Cup – Round 6 – Schoenmann, Wilhelm – 0-1 – Hodakowsky, Georg – G6 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Qf3 Qd8 5. Bg2 Nc6 6. Qd1 Nf6 7. Nf3 Bg4 8. h3 Bh5 9. d3 Qd7 10. Be3 e6
1963 Hamburg BUE Cup – Round 9 – Schoenmann, Wilhelm – 1/2-1/2 – Taeger, Winfried – G9 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Qf3 Qe6+ 5. Qe2 Nc6 6. Qxe6 Bxe6 7. Bg2 Rc8 8. Ne2 Nf6 9. Na3 Bg4 10. f3 Bd7
1964 Amsterdam Interzonal – Round 6 – Pachman, Ludek – 0-1 – Tal, Mikhail – G57 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O d6 6. c3 e5 7. d3 Nge7 8. Be3 O-O 9. d4 cxd4 10. cxd4 Qb6
1964 Sarajevo 07th – Round 12 – Pachman, Ludek – 1/2-1/2 – Gufeld, Eduard – G29 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Qe6+ 6. Kf1 Bh3 7. d4 cxd4 8. Nxd4 Qd5 9. Qf3 Qxf3 10. Nxf3 Bxg2+
1965 It II Beverwijk NED – Round 3 – Kieninger, Georg – 1/2-1/2 – De Rooi, Paul – G7 1. e4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Ne2 e5 5. c3 d5 6. exd5 Nxd5 7. O-O Be6 8. d4 cxd4 9. cxd4 exd4 10. Nxd4 Nxd4
1965 Tallinn ch-URS – Round 1 – Taimanov, M. – 1-0 – Kortchnoi, V. – G74 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Nc6 6. h3 Bh5 7. O-O Qd7 8. d3 e6 9. Nbd2 O-O-O 10. a3 f6
1965 WchT U26 12. fin-B – Round 5 – Barosso C – 0-1 – Levy, David N L – G16 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Qf3 Qe5+ 5. Qe3 Qc7 6. Bg2 Nf6 7. Nc3 e6 8. f4 Nc6 9. Bxc6+ Qxc6 10. Qf3 Bd7
1966 Aarhus – Round 1 – Pedersen, Eigil – 1-0 – Jakobsen, Ole – G13 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Nc6 6. h3 Bh5 7. O-O Qd7 8. d3 e6 9. Nbd2 Be7 10. a3 Nf6
1966 Hoogovens – Round 15 – Lehmann, Heinz – 0-1 – Bachtiar, Ahmad Ina – G69 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. c3 d6 6. O-O h5 7. h3 e5 8. d3 Be6 9. Be3 Nge7 10. d4 cxd4
1966 La Habana olm fin-B – Round 6 – Prins, Lodewijk – 0-1 – Cornelis, Frans B – G20 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Nc6 6. O-O Qd7 7. d3 Nf6 8. Be3 e5 9. Nbd2 Nd5 10. Ne4 b6
1966 Moscow Training – Round 10 – Shamkovich, Leonid – 0-1 – Averbakh, Yuri L – G22 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. c3 e5 6. d3 b6 7. Na3 Nge7 8. O-O O-O 9. f4 exf4 10. gxf4 d5
1966 Reykjavik – Round 6 – Kieninger, Georg – 1-0 – Kristinsson, Jon – G32 1. e4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Ne2 d5 5. exd5 Nxd5 6. d4 e6 7. O-O Be7 8. dxc5 Bxc5 9. a3 a5 10. Nbc3 Nxc3
1967 Budapest Bajnogsag 8th – Round 12 – Csom, Istvan – 1-0 – Szilagyi, Gyorgy Laszlo – G74 1. e4 c5 2. g3 d5 3. Nc3 Nf6 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Nc6 7. d3 Bd7 8. Ne2 e6 9. O-O Be7 10. Rb1 b6
1967 Rubinstein Memorial – Round 13 – Orbaan, Constant – 0-1 – Liebert, Heinz – G39 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. d3 Bg7 5. Ne2 e6 6. O-O Nge7 7. Nbc3 O-O 8. Be3 Nd4 9. Kh1 d6 10. Ng1 Bd7
1967 Skopje – Round 15 – Knezevic, Milorad – 1/2-1/2 – Matulovic, Milan – G117 1. e4 c5 2. g3 Nc6 3. Bg2 e6 4. Ne2 d5 5. exd5 exd5 6. O-O d4 7. d3 Be7 8. Na3 Nf6 9. Bg5 O-O 10. Nc4 Be6
1968 USSR – Round ? – Novopashin, Arkady – 0-1 – Saharov, Artur – G64 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Be2 Nc6 6. h3 Bd7 7. Nc3 Qe6 8. d3 Nd4 9. Nxd4 cxd4 10. Ne4 Nf6
1968 WchT U26 15. fin-B – Round 4.2 – Zwaig, Arne – 1/2-1/2 – Gat, Israel – G18 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. f4 Bg7 5. d3 d6 6. Nf3 e5 7. O-O Nge7 8. Nh4 exf4 9. gxf4 O-O 10. Nd2 d5
1969 WchT U26 fin-A 16th – Round 2.3 – Mozes, Ervin – 1/2-1/2 – Kolbak, Jens – G14 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Qe6+ 6. Kf1 Bh3 7. d3 Bxg2+ 8. Kxg2 Qc6 9. Qe2 Nf6 10. Rd1 e6
1971 Moscow – Round ? – Utiatsky, Anatoly – 1-0 – Zeitlein, Michael – G118 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Qe6+ 6. Kf1 Nc6 7. h3 Bh5 8. d3 Qd7 9. Be3 e5 10. Nc3 f6
1975 URS Team Ch – Round 1 – Kristol, Luba – 1/2-1/2 – Sabirova, Sophia – G228 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. O-O e6 6. c4 Nge7 7. Nbc3 Nd4 8. Rb1 Nec6 9. d3 O-O 10. a3 Rb8
World Blitz 2009 – Round 6 – Karjakin, Sergey – 0-1 – Grischuk, Alexander – G55 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Qe6+ 6. Kf1 Nc6 7. h3 Bh5 8. d3 Qd7 9. Na3 e6 10. Nc4 Bd6
World Blitz 2015 – Round 17.7 – Ivanchuk, Vasyl – 1-0 – Zhigalko, Sergei – G1088 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. d3 Bg7 5. f4 e6 6. Nf3 Nge7 7. c3 d5 8. Na3 O-O 9. O-O Rb8 10. e5 b5
World Blitz 2015 – Round 18.35 – Savchenko, Boris – 1-0 – Perunovic, Milos – G1122 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. f4 Bg7 5. Nf3 e6 6. d3 Nge7 7. c3 O-O 8. Qe2 b6 9. Na3 Ba6 10. O-O d6
World Blitz 2015 – Round 19.35 – Munoz, Miguel – 1/2-1/2 – Cheparinov, Ivan – G1187 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Nc6 5. Nc3 Qd8 6. Bg2 Nf6 7. O-O g6 8. d3 Bg7 9. Be3 Nd4 10. Bxd4 cxd4
World Blitz 2016 – Round 18.16 – Mamedov, Rauf – 1-0 – Najer, Evgeniy – G706 1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Qe6+ 6. Kf1 Nc6 7. h3 Bh5 8. d3 Nf6 9. Nc3 Rd8 10. Kg1 Qc8
World Rapid 2016 – Round 10.17 – Mamedov, Rauf – 1/2-1/2 – Zhigalko, Sergei – G377 1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. c3 e5 6. d3 d6 7. h4 h6 8. c4 Nge7 9. Nbc3 Bg4 10. f3 Be6

B20f —

1.e4 c5 2.g3

Eval: [-0.19]

Les coups candidats

2…Nc6 — 48.7% (3584 parties)

Ambassadeurs : Vesselovsky, Serguei (48x), Mozes, Ervin (41x), Cugini, Verter (39x), Munoz, Miguel (30x), Zatonskih, Anna (25x), Batsanin, Dmitry (22x), Hernandez Estevez, Yudania (17x), Horvath, Sandor (16x)

2…d5 — 24.6% (1809 parties)

Ambassadeurs : Munoz, Miguel (54x), Vesselovsky, Serguei (36x), Mozes, Ervin (27x), Veinger, Itzhak (18x), Cugini, Verter (18x), Kosak, Robert (14x), Batsanin, Dmitry (13x), Zatonskih, Anna (12x)

2…g6 — 11.6% (857 parties) →

Ambassadeurs : Vesselovsky, Serguei (9x), Cugini, Verter (8x), Totsky, Leonid (7x), Vedrickiene, Jovita (7x), Alekhine, Alexander (6x), Manicuta, Monica (6x), Hernandez Estevez, Yudania (6x), Munoz, Miguel (6x)

2…d6 — 6.7% (496 parties)

Ambassadeurs : Polk, Maria (6x), Bentz, Claudia (5x), Niedermowwe, Nic Amatus (4x), Birkmeyer, Gerd (4x), Kokolias, Konstantinos (4x), Cugini, Verter (4x), Kiss, Istvan (4x), Buescher, Andre (4x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	2…Nc6	2…d5	2…g6	2…d6
<1800	244	50%	13%	9%	16%
1800-2200	2642	51%	20%	13%	8%
2200-2600	2803	47%	33%	11%	2%
2600+	29	28%	52%	21%	—

Évolution par décennie (% des parties)

Décennie	N parties	2…Nc6	2…d5	2…g6	2…d6
1850s	1	—	—	—	—
1860s	3	100%	—	—	—
1880s	1	—	—	100%	—
1890s	3	67%	—	—	—
1900s	5	40%	40%	20%	—
1910s	7	14%	—	86%	—
1920s	29	62%	3%	14%	3%
1930s	21	33%	48%	5%	5%
1940s	5	40%	60%	—	—
1950s	17	71%	24%	6%	—
1960s	99	51%	30%	13%	1%
1970s	166	51%	23%	14%	5%
1980s	371	48%	29%	12%	4%
1990s	1953	49%	27%	11%	6%
2000s	2291	49%	22%	11%	7%
2010s	1916	48%	22%	13%	9%
2020s	473	46%	32%	9%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
2…Nc6	48%	46%	▼ -2.1%
2…d5	22%	32%	▲ +9.2%
2…g6	13%	9%	▼ -3.4%
2…d6	9%	6%	▼ -3.0%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 6 parties
Steinitz, Wilhelm — 3 parties
Karpov, Aleksandr — 2 parties
Smyslov, Vladimir — 2 parties
Carlsen, Magnus — 2 parties
Ju, Wenjun — 2 parties
Lasker, Emanuel — 1 partie
Tal, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

2…Nc6 — 48.7% (3584 parties)

1866 — Steinitz, Wilhelm vs Anderssen, Adolf — 0-1 — London ENG
1866 — Steinitz, Wilhelm vs Anderssen, Adolf — 0-1 — London ENG
1866 — Steinitz, Wilhelm vs Anderssen, Adolf — 0-1 — London ENG
1890 — Loman, Rudolf vs Messemaker, Christiaan — 1-0 — The Hague NED
1899 — Alexeev Sergej vs Schiffers, Emanuel — 0-1 — Moscow RUS

2…d5 — 24.6% (1809 parties)

1901 — Delmar, Eugene vs Karpinski, Louis Charles — 1/2-1/2 — Buffalo
1904 — Lawrence, Thomas F vs Mieses, Jacques — 1-0 — Cambridge Springs
1925 — Reilly, Brian vs Duchamp, Marcel — 1-0 — Nice FRA
1930 — Boros, Sandor vs Szijjarto Szabo, B. — 1-0 — Gyor
1932 — Spielmann, Rudolf vs Bogoljubow, Efim — 1-0 — Semmering AUT

2…g6 — 11.6% (857 parties)

1887 — Gottschall, Hermann vs Blackburne, Joseph — 0-1 — Frankfurt GER
1903 — Duz-Khotimirsky, Fedor Ivanovich vs Von Stamm, Wilhelm — 1-0 — Kiev UKR
1912 — Potemkin Peter Petrovich vs Alekhine, Alexander — 0-1 — ?
1912 — Peter Potemkin vs Alekhine, Alexander — 0-1 — St Petersburg RUS
1912 — Peter Potemkin vs Alekhine, Alexander — 0-1 — St Petersburg RUS

2…d6 — 6.7% (496 parties)

1928 — Becker, Albert vs Tartakower, Savielly — 1-0 — Vienna AUT
1931 — Porath, Yosef vs Richter, Kurt — 1/2-1/2 — Swinemuende
1969 — Pommerehne, Michael vs Floeel, Helmut — 1/2-1/2 — Hamburg GER
1970 — Kristol, Luba vs Lakiunajte, S. — 1-0 — cr USSR chT
1972 — Kristol, Luba vs Worsh, M — 1-0 — corr

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