Variations
Amsterdam Attack
e5 2. c4 d6 3. Nc3 Nc6 4. b3 Nf6
Van't Kruijs Opening: Bouncing Bishop Variation
e5 2. Bc4 b5 3. Bb3
Van't Kruijs Opening: Keoni-Hiva Gambit, Akahi Variation
e5 2. Nc3 Nf6 3. f4 exf4 4. Nf3
Van't Kruijs Opening: Keoni-Hiva Gambit, Alua Variation
e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3
Van't Kruijs Opening: Keoni-Hiva Gambit, Ekolu Variation
e5 2. Nc3 d5 3. f4 exf4 4. Nf3