1. Capture or Upload Chessboard
Use phone camera, upload an image, paste from clipboard, or try a sample Snap a photo, upload an image, or tap a 1-click sample belowDrop a 3D chessboard photo or 2D diagram here, or press Ctrl+V to paste
Supports phone camera photos, screenshots, and digital chess diagrams (JPEG or PNG)
Raw image bytes, EXIF camera metadata, and (8, 8, 13) probabilities are logged automatically
Quick Demo Samples (1-Click Scan):
No Chessboard Loaded Yet
Click any Quick Demo Sample card above, drop an image, or press Ctrl+V
2. Recognized Position & FEN 2. Recognized Position, Diagnostics & Tuning Feedback
Click or use arrow keys on any square to adjust a piece, or drag pieces between squares Tap any square to inspect or edit its piece, or drag pieces between squares Select a demo sample or upload a photo
Ready to scan
FEN & Analysis Links
FIDE Legal
Castle:
Edit Square (a8)
Entropy: — bits
Assign piece to selected square:
Keys: Arrows P N B R Q K Del
Inference & Solver Telemetry
Total Latency
— ms
Mean Conf
—%
Min Conf
—%
MILP Repairs
0
Pre: —ms
Detect: —ms
Classify: —ms
MILP: —ms
Log Ground-Truth Verification & Tuning Feedback
0 squares edited
Glare / Specular
Steep Angle
180° Orientation Flip
Piece Occlusion
Corner Drift
Motion Blur
3. Telemetry Metrics & Future Tuning Dataset Ledger
All uploaded photos, (8, 8, 13) pre-solver probability tensors, corners, and user corrections are indexed for downstream training & MILP calibrationLogged Inferences / Unique Photos
0 / 0
3D Photos: 0 | 2D Diagrams: 0
CPU Latency (Mean / P95)
— / — ms
Det: —ms | Cls: —ms | MILP: —ms
Mean Confidence & MILP Repairs
—%
Repaired Boards: 0% (0 squares)
Verified Tuning Accuracy (Board / Square)
— / —
0 verified samples
| Timestamp (UTC) | Source | Domain | File / Camera | Predicted / Verified FEN | Conf (Mean / Min) | Repairs | Latency | Tuning Status |
|---|---|---|---|---|---|---|---|---|
| No inferences logged yet. Click a Quick Demo Sample or upload a chessboard photo above. | ||||||||