Openings/Pterodactyl Defense
Pterodactyl Defense: Sicilian, Rhamphorhynchus B27
1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc3
31 tournament games from this position · White wins 45%, draws 26%, Black wins 29%
Moves
| Move | Games | White · Draw · Black | Elo | Last |
|---|---|---|---|---|
| Bxc3+ | 12 | 33% 17% 50% | 2240 | 2024 |
| Nf6 | 10 | 40% 30% 30% | 2170 | 2023 |
| Qxc5 | 8 | 75% 25% | 2106 | 2018 |
| Nc6 | 1 | 100% | 2353 | 2018 |
Top games
| Girya, O2439–Khotenashvili, B2514 | 0-1 | FIDE WGP Tashkent | 2013 |
| Martinez Duany, L2495–Zelbel, P2452 | 1-0 | Portuguese Top League | 2017 |
| Tregubov, V2371–Kuzmicz, K2451 | 0-1 | ch-European Rapid 2013 | 2013 |
| Azarov, S2616–Garber, V2147 | 1-0 | Paul Keres Mem 2014 | 2014 |
| Navalgund, N2282–Sundararajan, K2425 | ½-½ | ch-Commonwealth 2018 | 2018 |
| Congiu, M2317–Perez Gonzalez, Jo2349 | 0-1 | TCh-Madrid 2014-15 | 2014 |
| Budnikov, O2393–Marchenko, Ar2264 | ½-½ | Kyiv Spring 2023 | 2023 |
| Rausis, I2578–Besse, L2067 | 1-0 | 23rd Martigny Open 2014 | 2014 |
| Potapova, Margarita2253–Gochelashvili, D2392 | 0-1 | 1st Archibald Open 2019 | 2019 |
| Perpinya Rofes, L2243–Lianes Garcia, Marcos2391 | 0-1 | ch-ESP Rapid 2023 | 2023 |
Pterodactyl Defense variations
Queen Pterodactyl, Quiet LineA40Eastern, BenoniB06Eastern, AnhangueraB06Austrian, PteranodonB06Central, Benoni PterodactylA40Fianchetto, Queen Benoni PterodactylA40Eastern, Benoni PterodactylB06Western, PterodactylB27Austrian, Austriadactylus WesternB06Austrian, Grand Prix PterodactylB06Fianchetto, King PterodactylB06Fianchetto, Queen PterodactylA40Eastern, RhamphorhynchusB06Fianchetto, RhamphorhynchusB06Western, AnhangueraB06Western, RhamphorhynchusB27Sicilian, Benoni GambitB27Sicilian, SiroccopteryxB06Sicilian, AnhangueraB27Sicilian, UnpinB27Central, Benoni QuetzalcoatlusB06Central, AnhangueraB06Pterodactyl DefenseA42Central, BogoluboviaA42