B22t — Alapin
1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.cxd4 d6 6.Nf3 Nc6 7.exd6 ● Trait aux Noirs
Ouverture — Tension centrale
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Plans. Nc3 (Développer b1 — 80 % des parties) ; Be2 (Fou actif (mobilité 5), Développer f1 — 10 % des parties).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Plans. ...Qxd6 (Centraliser la dame, Prépare O-O-O — 76 % des parties) ; ...e6 (Poussée — 20 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | ● d4, ● d6 | — |
| Pions isolés | ● d4, ● d6 | — |
| Arriérés | — | — |
| Chaînes | — | — |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● e5 (2v1), ● g5 (2v0) | ● b4 (2v0) |
| Cases faibles | — | — |
| Centre | ● d4 (2v1), ● e5 (2v1) | — |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs | |
| Ouvertes | ● c | ● c |
| Semi-ouvertes | ● e | ● d |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 5) | |
| Bf1 | ● Bf1 Non développé (mob. 5) | |
| Bc8 | ● Bc8 Non développé (mob. 5) | |
| Bf8 | ● Bf8 Non développé (mob. 0) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 5 (● b1, ● 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 | tension | |
| Ruptures | — | ● …e7-e5 |
| Partie |
|---|
| 1953 Zagreb – Round 7 – Marić, Rudolf – 1/2-1/2 – Pirc, Vasja – G66 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. exd6 Qxd6 8. Nc3 Bg4 9. Be2 e6 10. O-O Be7 |
| 1954 Amsterdam olm – Round 1 – De Paoli, Emilio – 0-1 – Minev, Nikolay N – G49 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. exd6 Qxd6 8. Nc3 Bf5 9. a3 g6 10. Qb3 Qe6+ |
| 1955 Gothenburg Interzonal – Round 21 – Unzicker, Wolfgang – 1/2-1/2 – Geller, Efim P – G202 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. exd6 Qxd6 8. Nc3 Bg4 9. Be2 e6 10. O-O Be7 |
| 1959 Asztalos Memorial 2nd – Round 11 – Florian, Tibor – 1-0 – Soos, Bela – G17 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. d4 cxd4 6. cxd4 d6 7. exd6 e6 8. Bd3 Bxd6 9. O-O O-O 10. Nc3 h6 |
| 1959 Riga – Round 1 – Teschner, Rudolf – 1/2-1/2 – Tal, Michael – G32 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. exd6 Qxd6 8. Nc3 Bg4 9. Be2 e6 10. O-O Be7 |
| 1962 LAT Ch – Round ? – Zhuravlev, Valery Ivanovich – 1-0 – Klavins, Janis – G51 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. exd6 Qxd6 8. Nc3 Bg4 9. Be2 e6 10. O-O Be7 |
| 1965 Buenos Aires ch-ARG – Round 15 – Calneggia , Aldo – 1/2-1/2 – Palermo, Vicente – G94 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. d4 cxd4 6. cxd4 d6 7. exd6 Qxd6 8. Be2 g6 9. O-O Bg7 10. Nc3 O-O |
| 1965 CSR Ch U18 – Round 10 – Votruba, Pavel – 0-1 – Pribyl, Josef – G10 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. exd6 Qxd6 8. Nc3 Bf5 9. Nxd5 Qxd5 10. Be2 e6 |
| 1966 Bucharest – Round 6 – Ciocaltea, Victor – 1/2-1/2 – Partos, Charles – G26 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. exd6 Qxd6 8. Nc3 Bg4 9. Be2 e6 10. O-O Be7 |
| 1968 Bamberg – Round 1 – Teschner, Rudolf – 1/2-1/2 – Unzicker, Wolfgang – G13 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. exd6 Qxd6 8. Nc3 Bg4 9. Be2 e6 10. h3 Bh5 |
| 1969 Monte Carlo-B – Round 11 – Marić, Rudolf – 1/2-1/2 – Gerusel, Mathias – G50 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 Nc6 5. Nf3 cxd4 6. cxd4 d6 7. exd6 Qxd6 8. Nc3 Bg4 9. Be2 e6 10. O-O Be7 |
| 1971 Hoogovens – Round 1 – Danov, Kiril – 0-1 – Brinck-Claussen, Bjorn – G141 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 Nf6 5. e5 Nd5 6. cxd4 d6 7. exd6 Qxd6 8. Nc3 Nxc3 9. bxc3 g6 10. a4 Bg7 |













1953 — Abhishek Mari S vs Pirc, Vasja — 1/2-1/2 — Zagreb CRO
1954 — Paoli, Enrico vs Minev, Nikolay N — 0-1 — Amsterdam olm
1955 — Unzicker, Ferdinand, Dr. vs Geller, Efim P. — 1/2-1/2 — Goteborg izt
1958 — Horowitz, Binyamin vs ? — 1-0 — Chicago simul
1960 — Izvozchikov, Alexander vs Gheorghiu, Florin — 1/2-1/2 — Tbilisi GEO
1961 — Davis, ME. vs Brinck-Claussen, Bjorn — 1/2-1/2 — ?
1965 — Petras, Jan vs Smejkal, Jakub — 0-1 — Pardubice CZE
1966 — Ganchev, Georgi vs Velikov, Petar — 0-1 — Bulgaria
1978 — Novak, Ivan vs Sikora-Lerch, Jan — 1/2-1/2 — Tatran Cup Strbske Pleso
1979 — Westerinen, Heikki M.J. vs Kristiansen, Jens — 1/2-1/2 — Copenhagen DEN
1980 — Van Riemsdijk, Dirk D. vs Teixeira, Ricardo — 1/2-1/2 — Nova Friburgo
1988 — Lazic, Miroljub vs Kozul, Zdenko — 0-1 — Brezovica
1994 — Gorshkova, Irina vs Abolina, Liga — 0-1 — Szeged HUN
1996 — Glinert, Stephen vs Ceterski, Tom — 1-0 — North Bay CAN
1999 — Brodie, Hugh vs Haynes, L — 1/2-1/2 — National Open
2001 — Illijin, Neboisa vs Vrcon, Damijan — 1/2-1/2 — Bled SLO