Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● e6→d5, f7→e6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0)	● d5 (3v2), ● e4 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● c1, ● a1, ● h1)	5 (● b8, ● 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	mobile
Ruptures	● e2-e4	—

A32o — Symmetrical, Two Knights

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 d5 6.Bg2 ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nf3 (58 % des parties) ; Nb3 (15 % des parties) ; Nc2 (12 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...e5 (Occuper le centre — 87 % des parties) ; ...Bb4+ (Fou actif (mobilité 9), Développer f8 — 5 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1943 Zlin – Round 5 – Kottnauer, Cenek – 1-0 – Vasicek, Martin – G32 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. g3 d5 6. Bg2 g6 7. O-O Bg7 8. Nc3 e5 9. Qa4+ Bd7 10. Ndb5 O-O
1952 Hungary Ch – Round 13 – Gereben, Erno – 1-0 – Vajda, Arpad – G14 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 Bb4+ 7. Bd2 Qb6 8. Qa4+ Nc6 9. Nxc6 Bxd2+ 10. Nxd2 bxc6
1953 Candidats Tournament – Round 1 – Petrosian, Tigran V – 1/2-1/2 – Keres, Paul – G1 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. g3 d5 6. Bg2 e5 7. Nc2 d4 8. O-O Nc6 9. Nd2 Bg4 10. Nf3 a5
1954 Budapest (HUN Ch 10th) - Round ? - Benko, Pal - 1-0 - Forintos, Gyozo V - G22 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. g3 d5 6. Bg2 Bb4+ 7. Bd2 Bxd2+ 8. Qxd2 O-O 9. cxd5 Nxd5 10. O-O Na6
1954 Zonal – Round 11 – Castaldi, Vincenzo – 1-0 – Aitken, James – G16 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. g3 cxd4 5. Nxd4 d5 6. Bg2 Nc6 7. O-O Qb6 8. Nxc6 bxc6 9. Nc3 Be7 10. cxd5 cxd5
1955 URSS (URS Ch sf) - Round 11 - Zamikhovsky, Abram - 0-1 - Sherbakov, Vitaly - G115 1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. g3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nc2 d4 8. O-O Nc6 9. e4 Be7 10. Ne1 Be6
1956 Moscow olm fin-B – Round 2 – Muhring, J. – 1/2-1/2 – De Greif, Boris – G15 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nc2 d4 8. O-O Nc6 9. e4 Bc5 10. Ne1 a5
1956 Moscow olm prel – Round 9 – Golombek, Harry – 1-0 – Sapre, Ramchandra – G269 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 Bb4+ 7. Bd2 Qa5 8. cxd5 Nxd5 9. O-O O-O 10. e4 Nf6
1958 Budapest (HUN Ch 13th) - Round 17 - Szilagyi, Gyorgy Laszlo - 0-1 - Forintos, Gyozo V - G147 1. Nf3 e6 2. d4 c5 3. c4 cxd4 4. Nxd4 Nf6 5. g3 d5 6. Bg2 e5 7. Nb3 d4 8. e3 a5 9. exd4 a4 10. Nc5 exd4
1960 Buenos Aires – Round 12 – Foguelman, A. – 0-1 – Kortchnoi, V. – G128 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nb5 d4 8. f4 Nc6 9. fxe5 Ng4 10. O-O Be6
1961 Oberhausen etc – Round 1 – Agudo Garcia, Oliver – 0-1 – Forintos, Gyozo V – G21 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. g3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nc2 d4 8. O-O Nc6 9. b4 Be6 10. Nd2 Qd7
1962 Bucharest ROM – Round 9 – Gheorghiu, Florin – 1-0 – Georgescu, Vasile-Maxim – G23 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. g3 cxd4 5. Nxd4 d5 6. Bg2 Nc6 7. O-O Nxd4 8. Qxd4 dxc4 9. Qxd8+ Kxd8 10. Nd2 c3
1963 Capablanca Memorial – Round 8 – Trifunovic, Petar – 1/2-1/2 – Perez Perez, Francisco Jose – G74 1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. g3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nb3 d4 8. e3 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 dxe3
1963 Kiev Ch – Round 6 – Zamikhovsky, Abram – 1-0 – Aptekar, Lev – G21 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. g3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nc2 Be6 8. Bg5 Qa5+ 9. Qd2 Qxd2+ 10. Nxd2 Nbd7
1965 Kiev – Round 1 – Gereben, Erno – 0-1 – Lazarev, Efim M. – G3 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nb3 Bb4+ 8. N3d2 O-O 9. O-O d4 10. Qb3 a5
1965 Tbilisi Tbilisi GEO – Round 1 – Kholmov, Ratmir D – 1/2-1/2 – Buslaev, Aleksander – G15 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nb5 Bb4+ 8. Nd2 O-O 9. cxd5 Nxd5 10. O-O Nc6
1966 Rio Hondo zt – Round 13 – Foguelman, Alberto – 1-0 – De Souza Mendes, Joao – G22 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 c5 5. Bg2 cxd4 6. Nxd4 e5 7. Nb5 a6 8. N5c3 d4 9. Nd5 Nc6 10. Bg5 Be7
1969 Moskou ch-URS – Round 1 – Zaitsev, Aleksandr – 1-0 – Furman, Slavomir – G42 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nb5 a6 8. N5c3 d4 9. Nd5 Nxd5 10. cxd5 Bc5
20. European Teams 2015 – Round 6.4 – Wagner, Dennis – 1/2-1/2 – Grigoryan, Karen H. – G265 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nb3 d4 8. O-O Nc6 9. f4 e4 10. f5 a5
41. Olympiad Open 2014 – Round 11.35 – Kelires, Andreas – 1/2-1/2 – Zhang, Zhong – G791 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nb3 d4 8. O-O Nc6 9. f4 e4 10. f5 g6
Madrid 1973 – Round 3 – Calvo Minguez, Ricardo – 0-1 – Portisch, Lajos – G7 1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. g3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nb3 d4 8. O-O Nc6 9. Bg5 a5 10. N1d2 a4
Qatar Masters Open 2015 – Round 3.11 – Bluebaum, Matthias – 1/2-1/2 – Jakovenko, Dmitry – G90 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nb3 d4 8. O-O Nc6 9. f4 Bd6 10. fxe5 Bxe5
World Rapid 2016 – Round 10.21 – Vallejo Pons, Francisco – 1-0 – Moiseenko, Alexander – G382 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nc2 d4 8. f4 Nc6 9. Bxc6+ bxc6 10. fxe5 Qa5+