Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	● c3, ● c4	—
Pions isolés	● a3	—
Arriérés	—	—
Chaînes	● c3→d4	● d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (1v0)	● d5 (2v1), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	—

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 6)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	Non
Non développées	5 (● g1, ● c1, ● f1, ● a1, ● h1)	4 (● b8, ● c8, ● 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	● d4-d5	● …d7-d5, ● …e6-e5

E24e — Saemisch

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. e3 (Libérer Bf1, préparer Bd3 — 46 % des parties) ; f3 (Poussée — 37 % des parties) ; Nf3 (Développer g1 — 8 % des parties) ; Qc2 (Prépare O-O-O — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...d5 (Occuper le centre — 26 % des parties) ; ...Nc6 (Développer b8 — 23 % des parties) ; ...O-O (Mettre le roi en sécurité, connecter les tours — 19 % des parties) ; ...b6 (Préparer le fianchetto — 14 % des parties) ; ...d6 (Libérer Bc8 — 8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1926 Dresden – Round ? – Fryganas, Stavros – 1/2-1/2 – Bogoljubow, Efim – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Qc2 O-O 7. Nf3 b6 8. e4 d5 9. Bd3 dxc4 10. Bxc4 Ba6
1930 Hamburg olm – Round 16 – Saemisch, Friedrich – 1-0 – Kmoch, Hans – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Qc2 Qa5 7. Bd2 d6 8. e4 Bd7 9. a4 Nc6 10. d5 Ne7
1934 Chester, Town Hall (BCF Ch 27th) - Round 1 - Thomas, George Alan - 1/2-1/2 - Alexander, Conol Hugh - G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Qc2 Nc6 7. Nf3 d6 8. e4 e5 9. d5 Ne7 10. Nh4 h6
1936 Munich ol (Men) – Round 5 – Bohosiewicz P – 1/2-1/2 – Ojanen, Kaarle S – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Nf3 Qa5 7. Bd2 d6 8. Qb1 Nbd7 9. e3 O-O 10. Bd3 Re8
1947 Hermanis Matisons Memorial – Round 10 – Jursevskis Miervaldis – 1/2-1/2 – Zemgalis, Elmars – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Qc2 Nc6 7. Nf3 d6 8. e4 e5 9. Bd3 h6 10. h3 Bd7
1953 Paris – Round 2 – Morena, Walter – 1/2-1/2 – Noradounghian, Georges – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Qc2 Nc6 7. Nf3 d6 8. e4 e5 9. d5 Ne7 10. Be2 Ng6
1956 Stevenson Memorial 4th – Round 9 – Lehmann, Heinz – 1-0 – Pirc, Vasja – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e4 Nxe4 7. Qg4 f5 8. Qxg7 Qf6 9. Qxf6 Nxf6 10. dxc5 Na6
1958 Munich olm prel – Round 1 – Canton, B – 1/2-1/2 – Norcia, Federico – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Nf3 Qc7 7. Qc2 Nc6 8. e4 d6 9. Be2 e5 10. d5 Na5
1960 Kiev (UKR Ch sf) - Round 4 - Lazarev, Efim M. - 1-0 - Novopashin, Arkady - G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Qc2 Nc6 7. Nf3 O-O 8. Bg5 h6 9. Bh4 cxd4 10. cxd4 g5
1960 Sao Paulo zt – Round 17 – Carvalho, Luiz Candido Brant – 1/2-1/2 – Wexler, Bernardo – G85 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Qc2 Nc6 7. Nf3 d6 8. e4 e5 9. d5 Ne7 10. Nh4 O-O
1960 Tarragona – Round 6 – Lehmann, Heinz – 1/2-1/2 – O'Kelly de Galway, Alberic – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e4 Qa5 7. e5 Ne4 8. Bd2 Nc6 9. Ne2 cxd4 10. cxd4 Nxd2
1961 Dortmund – Round 1 – Abalde Perez, Fernando Jose – 1/2-1/2 – Rellstab, Ludwig – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e4 d6 7. Bd3 Nc6 8. Ne2 e5 9. d5 Ne7 10. Ng3 O-O
1961 San Francisco (USA Ch Open 62th) - Round 1 - McMahon, George - 1/2-1/2 - Rivise, Irving - G1 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Nf3 Nc6 7. Bg5 h6 8. Bf4 Qa5 9. Bd2 d6 10. e3 O-O
1961 URSS (USSR) - Round 1 - Zaitsev, Alexander - 1/2-1/2 - Barshauskas, Vitautas - G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e4 Nxe4 7. Qg4 f5 8. Qxg7 Qf6 9. Qxf6 Nxf6 10. dxc5 Na6
1962 Erevan ch-URS – Round 1 – Zaitsev, Alexander – 1/2-1/2 – Krogius, Nikolai V – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e4 Qa5 7. e5 Ne4 8. Bd2 Nc6 9. Ne2 b6 10. f4 cxd4
1963 Capablanca Memorial – Round 11 – Perez Perez, Francisco Jose – 1/2-1/2 – Ivkov, Borislav – G98 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e4 Qa5 7. e5 Ne4 8. Bd2 Nc6 9. Ne2 b6 10. f4 cxd4
1963 Rhode Island – Round 1 – Della Selva – 1-0 – Barry Bertomeu, Enrique – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e4 Nxe4 7. Qg4 d5 8. Qxg7 Rf8 9. Bh6 Nd7 10. cxd5 Qa5
1964 Buenos Aires – Round 1 – Olivera, Alfredo – 1/2-1/2 – Eliskases, Erich – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Nf3 Qa5 7. Bd2 Ne4 8. e3 Nc6 9. Bd3 Nxd2 10. Qxd2 b6
1964 Tel Aviv olm fin-C – Round 8 – Ahmed Ali, Farah – 0-1 – Kupper, Josef – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Qc2 Nc6 7. e3 O-O 8. Bd3 d6 9. Nf3 e5 10. d5 Na5
1965 San Juan US Open – Round 8 – Popov, Alexis – 1/2-1/2 – Zalys, Ignas – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Nf3 b6 7. Bf4 d6 8. e3 Bb7 9. Bd3 Qe7 10. O-O Nbd7
1966 Ch (Men) Budapest HUN – Round 5 – Toth, Bela – 1/2-1/2 – Flesch, Janos – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e4 Qa5 7. e5 Ne4 8. Bd2 Nc6 9. Ne2 b6 10. f4 cxd4
1966 Hungary – Round 9 – Toth, Bela – 1-0 – Dely, Peter – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e4 Qa5 7. e5 Ne4 8. Bd2 Nc6 9. Ne2 b6 10. f4 Ba6
1968 Lugano SUI – Round 1 – Mounir Soussi – 0-1 – Romani, Elio – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Nf3 b6 7. Bg5 d6 8. e4 Qc7 9. Bd3 Nc6 10. O-O h6