diff --git a/docs/stats.md b/docs/stats.md
index 2a2d3a07..78fe9051 100644
--- a/docs/stats.md
+++ b/docs/stats.md
@@ -21,3 +21,25 @@ Any name that doesn't designate an argument name or is not an argument will be i
 `position_count`
 
  - `struct PositionCounter` - the total number of positions in the file.
+
+
+            reg.add<KingSquareCounter>("king", "king_square_count");
+
+            reg.add<MoveFromCounter>("move", "move_from_count");
+            reg.add<MoveToCounter>("move", "move_to_count");
+            reg.add<MoveTypeCounter>("move", "move_type");
+            reg.add<MovedPieceTypeCounter>("move", "moved_piece_type");
+
+            reg.add<PieceCountCounter>("piece_count");
+
+`king`, `king_square_count` - the number of times a king was on each square. Output is layed out as a chessboard, with the 8th rank being the topmost. Separate values for white and black kings.
+
+`move`, `move_from_count` - same as `king_square_count` but for from_sq(move)
+
+`move`, `move_to_count` - same as `king_square_count` but for to_sq(move)
+
+`move`, `move_type` - the number of moves with each type. Includes normal, captures, castling, promotions, enpassant. The groups are not disjoint.
+
+`move`, `moved_piece_type` - the number of times a piece of each type was moved
+
+`piece_count` - the histogram of the number of pieces on the board