Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | — | ● d6→e5, c7→d6 |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● b5 (2v0), ● d5 (2v0) | ● d4 (2v1) |
| Cases faibles | — | — |
| Centre | ● d5 (2v0), ● e4 (1v0) | ● d4 (2v1), ● e5 (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. 5) | |
| Bf8 | ● Bf8 Non développé (mob. 1) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 4 (● 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 | mobile | |
| Ruptures | ● c4-c5, ● d2-d4 | ● …d6-d5 |
A27b — English: Three Knights, 3…d6
1.c4 e5 2.Nc3 Nc6 3.Nf3 d6 * ○ Trait aux Blancs
Ouverture — Centre mobile
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Plans. d4 (Occuper le centre — 61 % des parties) ; g3 (Préparer le fianchetto — 26 % des parties) ; e3 (Libérer Bf1, préparer Bd3 — 5 % des parties).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Plans. ...Bg4 (Fou actif (mobilité 7), Développer c8 — 24 % des parties) ; ...g6 (Préparer le fianchetto — 19 % des parties) ; ...Nf6 (Développer g8 — 8 % des parties) ; ...f5 (Attaque à l'aile roi — 6 % des parties) ; ...Be6 (Fou actif (mobilité 7), Développer c8 — 6 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
| Partie |
|---|
| 1925 Leningrad ch-URS – Round 4 – Rabinovich, Ilya Mar – 1-0 – Nenarokov, Vladimir – G7 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 Nf6 7. g3 Be7 8. Bg2 O-O 9. b3 Re8 10. O-O Nd7 |
| 1934 Leningrad ch-URS – Round 1 – Mazel, Isaak Y – 0-1 – Riumin, Nikolai – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 f6 5. e3 Nh6 6. b3 g6 7. Bb2 Bg7 8. Qd2 O-O 9. O-O-O Nf7 10. Be2 Re8 |
| 1941 USSR – Round 1 – Ragozin, Viacheslav – 0-1 – Rovner, Dmitry – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. g3 g6 5. d4 Bg4 6. dxe5 dxe5 7. Qa4 Bg7 8. Bg5 Qc8 9. Bg2 h6 10. Be3 Ne7 |
| 1951 FRG Ch Duesseldorf GER – Round 2 – Lehmann, Heinz – 1-0 – Pfeiffer, Gerhard – G2 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 Bd7 5. e4 g6 6. d5 Nb8 7. g3 Bg7 8. Bg2 a5 9. O-O Nf6 10. Ne1 O-O |
| 1956 Moscow olm fin-B – Round 3 – Ojanen, Kaarle S – 1/2-1/2 – Vestol, Aage – G23 1. c4 e5 2. Nc3 d6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bd7 6. Nc2 Nf6 7. e4 Be7 8. Be2 O-O 9. f4 Re8 10. O-O Bf8 |
| 1961 Katowice ch18-POL – Round 10 – Brzozka, Stefan – 1-0 – Klaput, Edward – G61 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 exd4 5. Nxd4 g6 6. Nd5 Bg7 7. Nb5 Rb8 8. Ndxc7+ Kf8 9. Bf4 Bxb2 10. Qxd6+ Qxd6 |
| 1964 ESP Ch 29th – Round 13 – Bordell Rosell, Roman – 1-0 – Puig, Pedro – G51 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 f6 5. d5 Nce7 6. e4 g6 7. g3 Bg7 8. Bg2 Nh6 9. h3 O-O 10. Be3 Nf7 |
| 1964 EU Team Ch sf – Round 5.7 – Maedler, Juergen, Dr. – 1/2-1/2 – Radovici, Corvin – G76 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. d3 O-O 8. Rb1 h6 9. Bd2 Be6 10. b4 Qd7 |
| 1964 YUG Ch 19th – Round 19 – Ivkov, Borislav – 1-0 – Mestrovic, Zvonimir – G17 1. c4 e5 2. Nc3 d6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Nf6 6. g3 Be7 7. Bg2 Bd7 8. O-O O-O 9. b3 Nxd4 10. Qxd4 Bc6 |
| 1965 Sarajevo – Round 11 – Polugaevsky, Lev – 1-0 – Kozomara, Vlado – G73 1. c4 e5 2. Nc3 d6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Nf6 6. e4 Be7 7. Be2 O-O 8. O-O Re8 9. Be3 Bf8 10. f3 Bd7 |
| 1967 Vrnjacka Banja zt – Round 16 – Bobotsov, Milko G – 1/2-1/2 – Bilyap, Siracettin – G109 1. c4 e5 2. Nc3 d6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Nf6 6. e4 Be7 7. Be2 O-O 8. Be3 Re8 9. f3 Nxd4 10. Qxd4 Be6 |
| 1968 IBM I – Round 13 – Bronstein, David I – 1-0 – Shamkovich, Leonid – G45 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 Ne7 7. b3 Nc6 8. Qd2 Be7 9. Nd5 Bf6 10. Nxf6+ Qxf6 |
| 1968 ROM Ch – Round 7 – Vaisman, Volodia – 1/2-1/2 – Szabo, Iuliu inactive – G38 1. c4 e5 2. Nc3 d6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 g6 6. Nxc6 bxc6 7. g3 Bg7 8. Bg2 Bd7 9. O-O Ne7 10. Qd2 O-O |
| 1969 DSV-Turnier – Round 8 – Golz, Werner – 1-0 – Vogt, Lothar – G38 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 exd4 5. Nxd4 g6 6. g3 Bg7 7. Nxc6 bxc6 8. Bg2 Ne7 9. O-O O-O 10. Qa4 Bd7 |













1952 — Veltmander, Iogannes vs Terpugov, Evgeny — 1-0 — Riga LAT
1952 — Alexander Tadala vs Terpugov, Evgeny — 1-0 — Riga LAT
1956 — Ojanen, Kaarle S vs Vestol, Aage — 1/2-1/2 — Moskou olm
1957 — Anay Barche vs Koberl, Ferenc — 1-0 — Budapest HUN
1952 — Rebizzo, Cayetano vs Soules, Jorge — 0-1 — Rosario ARG
1954 — Sarosy, Zoltan L vs Avery, Peter — 0-1 — Toronto CAN
1958 — Rapaka Samuel Paul vs Bernstein, Sidney — 1-0 — New York, NY USA
1964 — Maedler, Juergen, Dr. vs Radovici, Corvin — 1/2-1/2 — Sinaia
1969 — Dikarev, Boris vs Sakhanovich, Yuri V — 1/2-1/2 — ?
1983 — Simon, Ralf-Axel vs Treppner, Gerd — 0-1 — GER
1990 — Arcusa, Michel vs Normand, Vincent — 1-0 — Provence
1993 — Lein, Josef vs Kotz, Wolfram — 1-0 — Schloss Schney
1994 — Fischer, Hans vs Wallis, Toni — 1-0 — Mengen
1995 — Kroepsch, M. vs Havemann, M. — 1-0 — GER
1995 — De Jong, Ben vs Thissen, Thomas — 0-1 — Hengelo NED
1995 — Guburov, Elbrus vs Kijashko, I. — 1-0 — Armavir