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Train this openingVariations
Colle System: Pterodactyl Variation
2. Nf3 Bg7 3. e3 c5 4. Bd3 Qa5+
Colle System: Siroccopteryx Variation
2. Nf3 Bg7 3. e3 c5 4. Bd3 cxd4 5. Nxd4 Qa5+
Modern Defense
2. c4 Bg7 3. Nc3 d6
Modern Defense: Averbakh Variation, Pseudo-Sämisch
2. c4 Bg7 3. e4 d6 4. Be3 Nf6 5. f3
Modern Defense: Beefeater Variation
2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5
Modern Defense: Lizard Defense, Pirc-Diemer Gambit
2. h4 Nf6 3. h5
Modern Defense: Neo-Modern Defense
2. c4 Bg7 3. e4 e5
Pterodactyl Defense: Central, Benoni Beefeater Pterodactyl
2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Bxc3+ 6. bxc3 Qa5
Pterodactyl Defense: Central, Benoni Pterodactyl
2. c4 Bg7 3. e4 c5 4. d5 Qa5+
Pterodactyl Defense: Central, Bogolubovia
2. c4 Bg7 3. e4 d6 4. Nc3 c5 5. Nge2 Qa5
Pterodactyl Defense: Eastern, Benoni
2. e4 Bg7 3. Nc3 c5 4. d5
Pterodactyl Defense: Eastern, Benoni Pterodactyl
2. Nc3 Bg7 3. e4 c5 4. d5 Qa5
Pterodactyl Defense: Fianchetto, Queen Benoni Pterodactyl
2. c4 Bg7 3. Nc3 c5 4. d5 Qa5
Pterodactyl Defense: Fianchetto, Queen Pteranodon
2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 Qa5
Pterodactyl Defense: Fianchetto, Queen Pterodactyl
2. Nf3 Bg7 3. g3 c5 4. Bg2 Qa5+
Pterodactyl Defense: Queen Pterodactyl, Quiet Line
2. c4 Bg7 3. Nc3 c5 4. e3
Queen's Pawn Game: Chigorin Variation, Fianchetto Defense
2. Nf3 Bg7 3. Nc3 d5
Queen's Pawn Game: London System, Pterodactyl Variation
2. Nf3 Bg7 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qa5+