Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v1)	● b4 (2v0), ● d4 (2v1)
Cases faibles	—	—
Centre	● d5 (2v1)	● d4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (● c1, ● f1, ● a1, ● h1)	4 (● 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	● d2-d4	● …d7-d5

A35j — Symmetrical, Four Knights

1.c4 c5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. e4 (Centre d4+e4, menace e5, libère Bf1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4) ; d4 (Occuper le centre) ; e3 (Solidifier le centre, libérer le fou).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...d6 (Libérer Bc8) ; ...d5 (Occuper le centre) ; ...e6 (Poussée) ; ...e5 (Occuper le centre).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1927 Trebitsch mem11 – Round 7 – Lokvenc, Josef – 1-0 – Beutum, Sigmund – G14 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Bg2 O-O 8. Nc2 b6 9. O-O Bb7 10. e4 Na5
1945 Hastings4546 – Round 6 – Christoffel, Martin – 0-1 – Mieses, Jacques – G30 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 b6 5. d4 cxd4 6. Nxd4 Nxd4 7. Qxd4 Bb7 8. e4 g6 9. Bg2 Bg7 10. O-O O-O
1962 Athens simul 1 – Round 1.16 – O'Kelly de Galway, Alberic – 1-0 – Denegris, A. – G7 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. g3 b6 5. Bg2 Bb7 6. O-O d6 7. b3 g6 8. Bb2 Bg7 9. d4 cxd4 10. Nxd4 Rc8
1962 URS-ch30 sf Novosibirsk – Round 4 – Vaysman, Alexander – 0-1 – Gufeld, Eduard – G6 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 e5 5. d3 Be7 6. Bg2 O-O 7. O-O d6 8. a3 a6 9. Ne1 Rb8 10. Nc2 Nd4
1962 Vrnjacka Banja – Round 10 – Sofrevski, Jovan – 0-1 – Parma, Brigitte – G99 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 g6 5. b3 Bg7 6. Bb2 O-O 7. Bg2 d6 8. O-O Bg4 9. h3 Bf5 10. e3 Nb4
1964 7. It Sarajevo BIH – Round 9 – Polugaevsky, Lev – 1-0 – Damjanovic, Mato – G5 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. b3 Bg7 6. Bb2 O-O 7. Bg2 d6 8. O-O Ne8 9. e3 Bf5 10. d4 Qc8
1968 CSR Team Ch Harrachov – Round 7 – Janata, Michael – 1-0 – Stulik, Vlastimil – G28 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 b6 5. Bg2 Bb7 6. O-O e6 7. d4 Nxd4 8. Nxd4 Bxg2 9. Kxg2 cxd4 10. Qxd4 Qc8
41. Olympiad Open 2014 – Round 9.28 – Caruana, Fabiano – 1-0 – Banikas, Hristos – G645 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 b6 5. d4 cxd4 6. Nxd4 Nxd4 7. Qxd4 Bb7 8. e4 g6 9. Bg2 Bg7 10. O-O d6
75. Tata Steel GpA 2013 – Round 9.6 – L'Ami, Erwin – 1/2-1/2 – Aronian, Levon – G46 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 d6 5. d4 cxd4 6. Nxd4 Bd7 7. Bg2 g6 8. O-O Bg7 9. e3 h5 10. b3 h4
Amber Rapid 2008 – Round 8 – Kramnik, Vladimir – 1/2-1/2 – Ivanchuk, Vasyl – G35 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. d4 cxd4 6. Nxd4 d6 7. Bg2 Bd7 8. Nxc6 Bxc6 9. e4 Bg7 10. Be3 O-O
AZE vs World Rapid 2009 – Round 1 – Kramnik, Vladimir – 1/2-1/2 – Gashimov, Vugar – G4 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 d6 6. a3 Bg7 7. Rb1 O-O 8. b4 cxb4 9. axb4 d5 10. b5 Na5
FIDE Grand Swiss 2025 – Round 7 – Daneshvar Bardiya – 1-0 – Muradli Mahammad – G404 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 g6 5. d4 cxd4 6. Nxd4 d6 7. Bg2 Bd7 8. Nc2 Bg7 9. b3 Qc8 10. h3 O-O
FIDE World Blitz Championship 2014 – Round 7.8 – Meier, Georg – 1-0 – Vitiugov, Nikita – G57 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 d6 5. Bg2 g6 6. d4 cxd4 7. Nxd4 Bd7 8. b3 Bg7 9. Bb2 Qc8 10. Rc1 Bh3
Interpolis 1979 – Round 6 – Larsen, Bent – 0-1 – Sosonko, Gennadi – G24 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 g6 5. Bg2 d5 6. cxd5 Nxd5 7. h4 h6 8. d3 Bg7 9. Bd2 Be6 10. Rc1 Rc8
Melody Amber, Blindfold, Monaco 1995 – Round 3 – Kramnik, Vladimir – 1/2-1/2 – Kamsky, Gata – G13 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 d6 6. d4 cxd4 7. Nxd4 Bd7 8. e4 Bg7 9. Nxc6 Bxc6 10. Be3 O-O
Olympiad 2002 – Round 14 – Schandorff, Lars – 1/2-1/2 – Baklan, Vladimir – G511 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 d6 6. d4 cxd4 7. Nxd4 Bd7 8. Nxc6 Bxc6 9. e4 Bg7 10. Be3 O-O
Piterenka Rapid 2012 – Round 5 – Nepomniachtchi, Ian – 1/2-1/2 – Jakovenko, Dmitry – G8 1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 g6 5. d4 cxd4 6. Nxd4 d6 7. Bg2 Bd7 8. O-O Bg7 9. e3 Qc8 10. b3 Bh3
Saint Louis Blitz 2023 – Round 9.1 – Robson, Ray – 1/2-1/2 – Le, Quang Liem – G41 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 g6 5. d4 cxd4 6. Nxd4 d6 7. Bg2 Bd7 8. b3 Bg7 9. Bb2 O-O 10. O-O Rc8
World Blitz 2015 – Round 9.28 – Fressinet, Laurent – 1/2-1/2 – Borisek, Jure – G546 1. Nf3 c5 2. c4 Nf6 3. g3 Nc6 4. Nc3 g6 5. Bg2 d6 6. d4 cxd4 7. Nxd4 Bd7 8. Nc2 Bg7 9. b3 O-O 10. Bb2 a6
World Blitz 2018 – Round 12.31 – Jakovenko, Dmitry – 1-0 – Vokhidov, Shamsiddin – G715 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 d5 6. d4 Bg7 7. O-O dxc4 8. d5 Nb4 9. Ne1 e6 10. e4 exd5
World Rapid 2019 – Round 15.7 – Grischuk, Alexander – 1/2-1/2 – Alekseev, Evgeny – G998 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 d6 5. Bg2 g6 6. d4 cxd4 7. Nxd4 Bd7 8. Nc2 Bg7 9. b3 h5 10. Bb2 h4