W00: English Opening: Revy Lozman System
Named Variations:- Knight Variation
- Nerd Attack
- Nerd Attack: Regular Defense
- Nerd Attack: Alternative Defense
- Horse Variation
Parent: English Opening
Move Order: 1. c4 c5 2. Qc2
Main Line: 3. e3 d5 4. cxd5 exd5
Possible Continuations:
Move Order: 1. c4 c5 2. Qc2
Main Line: 3. e3 d5 4. cxd5 exd5

- 5. Nf3: W00.0: Knight Variation
- 5. Bb5+: W00.1: Nerd Attack
- 5. Bb5+ Nd7: W00.1.0: Regular Defense
- 5. Bb5+ Nc6: W00.1.1: Alternative Defense
- 5. Nc3: W00.2: Horse Variation