Sicilian: Accelerated Pterodactyl, 4.c4 Qa5+

Coups: 1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.c4 Qa5+

Partie
1974 Manila – Round 4 – Petrosian, Tigran V. – 1/2-1/2 – Gheorghiu, Florin – G11
1. c4 g6 2. e4 c5 3. Nf3 Bg7 4. d4 Qa5+ 5. Nc3 Nc6 6. d5 Nd4 7. Bd2 Nxf3+ 8. Qxf3 d6 9. Bd3 Nf6 10. Qe2 O-O
Interpolis 1980 – Round 1 – Andersson, Ulf 1949 – 1/2-1/2 – Huebner, Robert – G44
1. Nf3 g6 2. e4 c5 3. c4 Bg7 4. d4 Qa5+ 5. Bd2 Qb6 6. Bc3 cxd4 7. Bxd4 Bxd4 8. Qxd4 Qxd4 9. Nxd4 Nc6 10. Nc2 b6