- Sashité for Developers
- Specifications
- FID
- 1.0.0
- Examples
FID Examples
- FEEN Identifier (FID) v1.0.0
- Author: Cyril Kato
- License: Open Web Foundation Agreement 1.0
Overview
This page provides computed FID values for common positions. Each example shows the canonical FEEN string and its corresponding SHA-256 fingerprint.
All values can be verified independently with any SHA-256 implementation, for example:
echo -n "<FEEN string>" | sha256sum
1. Chess Starting Position
The standard Western chess initial position.
FEEN: -rnbqk^bn-r/pppppppp/8/8/8/8/PPPPPPPP/-RNBQK^BN-R / C/c
FID: 4b913bb55af65e0033c1f7cffd4cf4004f3c53bcc2a88d8de065f11ca265efbd
2. Empty 8×8 Board
An empty chess board with no pieces. Useful as a baseline or for placement-phase games.
FEEN: 8/8/8/8/8/8/8/8 / C/c
FID: 0f5aacb4e6b301b34a03611877d82e0a2d928b85724c0b0851476171d7b07451
3. Shōgi Starting Position
The standard Japanese shōgi initial position.
FEEN: lnsgk^gsnl/1r5b1/ppppppppp/9/9/9/PPPPPPPPP/1B5R1/LNSGK^GSNL / S/s
FID: 57728c142c64d580c22d0206274ab4a1fd3013440312d051478cb72e5e35cee4
Summary Table
| Position | FID |
|---|---|
| Chess starting position | 4b913bb55af65e0033c1f7cffd4cf4004f3c53bcc2a88d8de065f11ca265efbd |
| Empty 8×8 board | 0f5aacb4e6b301b34a03611877d82e0a2d928b85724c0b0851476171d7b07451 |
| Shōgi starting position | 57728c142c64d580c22d0206274ab4a1fd3013440312d051478cb72e5e35cee4 |