A30b — English: Symmetrical, 2.Nf3 Nc6

1.c4 c5 2.Nf3 Nc6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, libère Bf1
● Nc3 — Développer Nb1
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte b4, case forte d4, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nf6 — Développer Ng8
● ...Bd6 — Développer Bf8
● ...Bg4 — Clouer Nf3

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● b4 (2v0), ● d4 (2v1)
Cases faibles	—	—
Centre	● d5 (1v0)	● d4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, 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	● d2-d3, ● e2-e3	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
22. ECU Club Cup 2006 – Round 2 – Schlosser, Philipp – 1/2-1/2 – Eljanov, Pavel – G36 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. g3 Bb4+ 6. Bd2 Be7 7. Bc3 Nf6 8. Bg2 O-O 9. O-O d5 10. cxd5 Nxd5
22. ECU Club Cup 2006 – Round 4 – Ivanchuk, Vasyl – 1-0 – Eljanov, Pavel – G106 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. g3 Bb4+ 6. Nc3 Qa5 7. Nb5 Nf6 8. a3 Bxc3+ 9. Nxc3 Ne4 10. Bd2 Qf5
3. Kings' Tournament 2009 – Round 8 – Gelfand, Boris – 1/2-1/2 – Ivanchuk, Vasyl – G24 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d6 6. g3 a6 7. N5c3 Nf6 8. Bg2 Be7 9. O-O O-O 10. Bf4 Qc7
40. Olympiad Open 2012 – Round 10.15 – Iturrizaga Bonelli, Eduardo – 1-0 – Bologan, Victor – G547 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bc5 6. Nb3 Be7 7. Bf4 Nf6 8. e3 Bb4 9. Be2 Ne4 10. Qc2 f5
43. Olympiad 2018 – Round 9.2 – Bu, Xiangzhi – 1-0 – Safarli, Elmir – G585 1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nc2 Nf6 7. Bg2 O-O 8. O-O Qa5 9. Nc3 Qh5 10. e4 Qxd1
83. Tata Steel Masters 2021 – Round 2.4 – Duda, Jacob – 0-1 – Grandelius, Nils – G13 1. c4 c5 2. Nf3 Nc6 3. b3 e5 4. Bb2 d6 5. Nc3 g6 6. g3 Bg7 7. Bg2 Nge7 8. O-O O-O 9. d3 Rb8 10. Ne1 Be6
Amber Rapidplay 2000 – Round 2 – Kramnik, Vladimir – 1/2-1/2 – Gelfand, Boris – G10 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 Nf6 6. Bf4 Bb4+ 7. N1c3 O-O 8. Bd6 Bxd6 9. Nxd6 Ne8 10. e3 Qb6
American Cup Blitz 2022 – Round 7.6 – So, Wesley – 1-0 – Krush, Irina – G41 1. c4 c5 2. Nf3 Nc6 3. b3 g6 4. Bb2 Nf6 5. g3 Bg7 6. Bg2 O-O 7. O-O b6 8. d4 cxd4 9. Nxd4 Bb7 10. Nc3 Qc8
Brussels blitz 1987 – Round 1 – Korchnoi, Viktor – 1/2-1/2 – Larsen, Bent – G89 1. Nf3 c5 2. c4 Nc6 3. b3 Nf6 4. Bb2 e6 5. e3 d5 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Bd7
Buenos Aires 1980 – Round 1 – Andersson, Ulf 1949 – 1/2-1/2 – Timman, Jan H – G27 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. e3 Nf6 6. Be2 Bb4+ 7. Bd2 Be7 8. Nc3 O-O 9. O-O d5 10. cxd5 Nxd4
Buenos Aires olm 1978 – Round 11 – Polugaevsky, Lev – 1-0 – Ornstein, Axel – G32 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. g3 Bb4+ 6. Bd2 Qb6 7. Nb3 Ne5 8. Qc2 a5 9. Bg2 a4 10. Nc1 Nf6
GCT Blitz Paris 2021 – Round 18.1 – Rapport, Richard – 1/2-1/2 – Svidler, Peter – G83 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 Bb4+ 6. Bd2 a6 7. N5c3 Nf6 8. g3 d5 9. cxd5 Nxd5 10. Bg2 Be6
Kosmos m 5' 1998 – Round 5 – Kasparov, Garry – 0-1 – Kramnik, Vladimir – G5 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 Nf6 6. Bf4 Bb4+ 7. N1c3 O-O 8. Bd6 Bxd6 9. Nxd6 Qb6 10. Qd2 Ne8
London P&D/GLC Kings 1984 – Round 11 – Seirawan, Yasser – 0-1 – Andersson, Ulf 1949 – G13 1. Nf3 c5 2. c4 Nc6 3. e3 e6 4. d4 d5 5. cxd5 exd5 6. Bb5 cxd4 7. Nxd4 Bd7 8. O-O Nf6 9. b3 a6 10. Be2 Bd6
Norway Chess blitz 2nd 2014 – Round 3.2 – Svidler, Peter – 1-0 – Caruana, Fabiano – G10 1. Nf3 c5 2. c4 Nc6 3. b3 e5 4. Bb2 d6 5. e3 f5 6. Nc3 Nf6 7. d4 cxd4 8. exd4 e4 9. d5 exf3 10. dxc6 Qe7+
Norway Supreme Masters Blitz 2013 – Round 6.5 – Svidler, Peter – 0-1 – Anand, Viswanathan – G30 1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O e6 6. e3 Nge7 7. d4 cxd4 8. Nxd4 O-O 9. Nxc6 bxc6 10. c5 f5
Tal Memorial Blitz 2014 – Round 4.6 – Karjakin, Sergey – 0-1 – Grischuk, Alexander – G24 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. g3 Qb6 6. Nf3 Bb4+ 7. Nbd2 Nf6 8. Bg2 O-O 9. O-O Be7 10. a3 a5
Tashkent FIDE GP 2014 – Round 10.5 – Giri, Anish – 1/2-1/2 – Jobava, Baadur – G57 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be6 8. g3 f5 9. Bg2 Nf6 10. O-O Be7
TCh-RUS 2008 – Round 8 – Gelfand, Boris – 1/2-1/2 – Gashimov, Vugar – G230 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 e6 6. a3 d5 7. cxd5 exd5 8. Nc3 d4 9. Na4 Qd8 10. e3 dxe3
Vugar Gashimov Mem 2017 – Round 8.4 – So, Wesley – 1/2-1/2 – Radjabov, Teimour – G39 1. c4 c5 2. Nf3 Nc6 3. e3 e6 4. d4 d5 5. cxd5 exd5 6. Bb5 cxd4 7. Nxd4 Bd7 8. O-O Nf6 9. b3 Bd6 10. Bb2 O-O
World Blitz 2015 – Round 1.24 – Svidler, Peter – 1-0 – Khismatullin, Denis – G15 1. Nf3 c5 2. c4 Nc6 3. b3 e5 4. Nc3 g6 5. g3 Bg7 6. Bg2 Nge7 7. O-O O-O 8. Bb2 d6 9. Ne1 Be6 10. Nd5 Rb8
World Blitz 2015 – Round 20.8 – Svidler, Peter – 1-0 – Radjabov, Teimour – G1282 1. c4 c5 2. Nf3 Nc6 3. b3 e5 4. Bb2 e4 5. Ng1 Nf6 6. Nc3 Bd6 7. e3 O-O 8. d3 Be5 9. Qd2 Re8 10. dxe4 Nxe4
World Blitz 2015 – Round 7.30 – Matlakov, Maxim – 1/2-1/2 – Bologan, Victor – G425 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bc5 6. Nb3 Bb4 7. g3 Nf6 8. Bg2 d5 9. cxd5 Nxd5 10. O-O Nxc3
World Blitz 2019 – Round 17.24 – Gelfand, Boris – 1-0 – Christiansen, Johan-Sebastian – G1132 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qd2 Nge7 9. Nc3 O-O 10. g3 b5
World Blitz 2022 – Round 13.22 – Maghsoodloo, Parham – 0-1 – Indjic, Aleksandar – G681 1. Nf3 c5 2. c4 Nc6 3. b3 e5 4. Bb2 d6 5. Nc3 g5 6. h3 Bg7 7. d3 f5 8. e3 h6 9. Nd2 Nf6 10. a3 Be6
World Blitz 2022 – Round 4.17 – Maghsoodloo, Parham – 1/2-1/2 – Savchenko, Boris – G185 1. Nf3 c5 2. c4 Nc6 3. b3 e5 4. Bb2 d6 5. Nc3 g6 6. g3 Bg7 7. d3 Nge7 8. Bg2 O-O 9. O-O h6 10. a3 a5
World Blitz Final 2012 – Round 19 – Radjabov, Teimour – 1/2-1/2 – Grischuk, Alexander – G147 1. Nf3 c5 2. c4 Nc6 3. b3 e5 4. Nc3 g6 5. Bb2 Bg7 6. d3 Nge7 7. g3 O-O 8. Bg2 d6 9. O-O h6 10. a3 Be6
World Blitz Final 2012 – Round 5 – Jumabayev, Rinat – 1-0 – Bologan, Victor – G39 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bc5 6. Nb3 Be7 7. e4 Nf6 8. Be3 O-O 9. f3 d5 10. exd5 exd5
World Rapid 2016 – Round 13.34 – Matlakov, Maxim – 1-0 – Borisek, Jure – G504 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 e6 6. a3 Nf6 7. Nc3 Be7 8. e4 O-O 9. Be2 Qc7 10. O-O b6
XVI Ciudad de Linares 99 1999 – Round 13 – Topalov, Veselin – 0-1 – Ivanchuk, Vasyl – G37 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. g3 Bb4+ 6. Nc3 Qa5 7. Nb5 d5 8. a3 Bxc3+ 9. bxc3 Nf6 10. Bg2 O-O

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