A simple web viewer for FEEN (Forsyth–Edwards Enhanced Notation) board game positions.
Open index.html in any modern web browser. Enter a valid FEEN string and click "Load Position".
FEEN uses three space-separated fields:
<PIECE-PLACEMENT> <PIECES-IN-HAND> <STYLE-TURN>
# Chess starting position
+rnbq+kbn+r/+p+p+p+p+p+p+p+p/8/8/8/8/+P+P+P+P+P+P+P+P/+RNBQ+KBN+R / C/c
# Shōgi starting position
lnsgkgsnl/1r5b1/ppppppppp/9/9/9/PPPPPPPPP/1B5R1/LNSGKGSNL / S/s
# Cross-style position (Chess vs Ōgi)
lnsiksnl/1r4b1/pppppppp/8/8/8/+P+P+P+P+P+P+P+P/+RNBQ+KBN+R / C/o
# Position with captured pieces
r1bqkb1r/+p+p+p+p1+p+p+p/2n2n2/4p3/2B1P3/5N2/+P+P+P+P1+P+P+P/RNBQK2R 2P/p C/c
- Parse and visualize FEEN positions
- Support for 1D and 2D boards
- Cross-style hybrid games
- Captured pieces display
- Real-time position updates
- FEEN v1.0.0 - Position notation
- EPIN v1.0.0 - Piece identifiers
- SIN v1.0.0 - Style identifiers
Available as open source under the MIT License.
Maintained by Sashité — promoting chess variants and sharing the beauty of board game cultures.