Update README.md

README.md

@@ -4,4 +4,22 @@ language:
 - en
 size_categories:
 - 100K<n<1M
----
+---
+
+# Kilter Board L1‑S10 (clean) — train / val / test
+
+Filtered problems for **layout 1, size 10, sets {1, 20}**.  
+Rows are keyed by `(uuid, angle)`; splits are **80 / 10 / 10 %** on UUIDs.
+
+## Files
+| table in `kilter_splits.sqlite` | content |
+| --- | --- |
+| `kilter_train`, `kilter_val`, `kilter_test` | filtered climbs |
+| `difficulty_grades`, `placements`, `placement_roles`, `holes` | reference look‑ups |
+
+## Filters
+* `ascensionist_count > 0`
+* `difficulty_numeric ≤ 30.5` (~ V13)
+* `num_holds ≥ 3` and `≤ 50`
+
+Data source: **BoardLib** repo + Kilter app.