Tree path 2 levels Bird Opening › Horsefly Defense
- Chess Codex
- Bird Opening A02
- Horsefly Defense A02 you are here
Bird Opening: Horsefly Defense
Overview
Bird Opening: Horsefly Defense is a named branch in the Flank Openings group of chess theory, classified under ECO A02.
The Flank Openings group covers flank openings — systems that delay the central pawn break and instead develop pieces and pawns on the wings.
The line arises from 2 plies — specifically the moves 1. f4 Nh6.
It branches immediately from Bird Opening in the opening tree.
Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.
- ECO code
- A02
- Group
- Flank Openings (A)
- Plies
- 2
- Parent
- Bird Opening
This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.
Statistics from Lichess
49,720 games · White 43.2% / Draw 5.3% / Black 51.5%
| Moves | Games | W / D / B |
|---|---|---|
| Nf3 | 31,509 | |
| e4 | 9,255 | |
| e3 | 2,476 | |
| d4 | 2,099 | |
| b3 | 1,429 | |
| d3 | 954 | |
| g3 | 874 | |
| Nc3 | 350 |
Source: Lichess Opening Explorer · cached 2026-09-26 00:34:05
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