diff --git a/public/pieces/alfonso-x/bb.svg b/public/pieces/alfonso_x/bb.svg
similarity index 100%
rename from public/pieces/alfonso-x/bb.svg
rename to public/pieces/alfonso_x/bb.svg
diff --git a/public/pieces/alfonso-x/bw.svg b/public/pieces/alfonso_x/bw.svg
similarity index 100%
rename from public/pieces/alfonso-x/bw.svg
rename to public/pieces/alfonso_x/bw.svg
diff --git a/public/pieces/alfonso-x/kb.svg b/public/pieces/alfonso_x/kb.svg
similarity index 100%
rename from public/pieces/alfonso-x/kb.svg
rename to public/pieces/alfonso_x/kb.svg
diff --git a/public/pieces/alfonso-x/kw.svg b/public/pieces/alfonso_x/kw.svg
similarity index 100%
rename from public/pieces/alfonso-x/kw.svg
rename to public/pieces/alfonso_x/kw.svg
diff --git a/public/pieces/alfonso-x/nb.svg b/public/pieces/alfonso_x/nb.svg
similarity index 100%
rename from public/pieces/alfonso-x/nb.svg
rename to public/pieces/alfonso_x/nb.svg
diff --git a/public/pieces/alfonso-x/nw.svg b/public/pieces/alfonso_x/nw.svg
similarity index 100%
rename from public/pieces/alfonso-x/nw.svg
rename to public/pieces/alfonso_x/nw.svg
diff --git a/public/pieces/alfonso-x/pb.svg b/public/pieces/alfonso_x/pb.svg
similarity index 100%
rename from public/pieces/alfonso-x/pb.svg
rename to public/pieces/alfonso_x/pb.svg
diff --git a/public/pieces/alfonso-x/pw.svg b/public/pieces/alfonso_x/pw.svg
similarity index 100%
rename from public/pieces/alfonso-x/pw.svg
rename to public/pieces/alfonso_x/pw.svg
diff --git a/public/pieces/alfonso-x/qb.svg b/public/pieces/alfonso_x/qb.svg
similarity index 100%
rename from public/pieces/alfonso-x/qb.svg
rename to public/pieces/alfonso_x/qb.svg
diff --git a/public/pieces/alfonso-x/qw.svg b/public/pieces/alfonso_x/qw.svg
similarity index 100%
rename from public/pieces/alfonso-x/qw.svg
rename to public/pieces/alfonso_x/qw.svg
diff --git a/public/pieces/alfonso-x/rb.svg b/public/pieces/alfonso_x/rb.svg
similarity index 100%
rename from public/pieces/alfonso-x/rb.svg
rename to public/pieces/alfonso_x/rb.svg
diff --git a/public/pieces/alfonso-x/rw.svg b/public/pieces/alfonso_x/rw.svg
similarity index 100%
rename from public/pieces/alfonso-x/rw.svg
rename to public/pieces/alfonso_x/rw.svg
diff --git a/public/pieces/anarchy-candy/bb.svg b/public/pieces/anarchy_candy/bb.svg
similarity index 100%
rename from public/pieces/anarchy-candy/bb.svg
rename to public/pieces/anarchy_candy/bb.svg
diff --git a/public/pieces/anarchy-candy/bw.svg b/public/pieces/anarchy_candy/bw.svg
similarity index 100%
rename from public/pieces/anarchy-candy/bw.svg
rename to public/pieces/anarchy_candy/bw.svg
diff --git a/public/pieces/anarchy-candy/kb.svg b/public/pieces/anarchy_candy/kb.svg
similarity index 100%
rename from public/pieces/anarchy-candy/kb.svg
rename to public/pieces/anarchy_candy/kb.svg
diff --git a/public/pieces/anarchy-candy/kw.svg b/public/pieces/anarchy_candy/kw.svg
similarity index 100%
rename from public/pieces/anarchy-candy/kw.svg
rename to public/pieces/anarchy_candy/kw.svg
diff --git a/public/pieces/anarchy-candy/nb.svg b/public/pieces/anarchy_candy/nb.svg
similarity index 100%
rename from public/pieces/anarchy-candy/nb.svg
rename to public/pieces/anarchy_candy/nb.svg
diff --git a/public/pieces/anarchy-candy/nw.svg b/public/pieces/anarchy_candy/nw.svg
similarity index 100%
rename from public/pieces/anarchy-candy/nw.svg
rename to public/pieces/anarchy_candy/nw.svg
diff --git a/public/pieces/anarchy-candy/pb.svg b/public/pieces/anarchy_candy/pb.svg
similarity index 100%
rename from public/pieces/anarchy-candy/pb.svg
rename to public/pieces/anarchy_candy/pb.svg
diff --git a/public/pieces/anarchy-candy/pw.svg b/public/pieces/anarchy_candy/pw.svg
similarity index 100%
rename from public/pieces/anarchy-candy/pw.svg
rename to public/pieces/anarchy_candy/pw.svg
diff --git a/public/pieces/anarchy-candy/qb.svg b/public/pieces/anarchy_candy/qb.svg
similarity index 100%
rename from public/pieces/anarchy-candy/qb.svg
rename to public/pieces/anarchy_candy/qb.svg
diff --git a/public/pieces/anarchy-candy/qw.svg b/public/pieces/anarchy_candy/qw.svg
similarity index 100%
rename from public/pieces/anarchy-candy/qw.svg
rename to public/pieces/anarchy_candy/qw.svg
diff --git a/public/pieces/anarchy-candy/rb.svg b/public/pieces/anarchy_candy/rb.svg
similarity index 100%
rename from public/pieces/anarchy-candy/rb.svg
rename to public/pieces/anarchy_candy/rb.svg
diff --git a/public/pieces/anarchy-candy/rw.svg b/public/pieces/anarchy_candy/rw.svg
similarity index 100%
rename from public/pieces/anarchy-candy/rw.svg
rename to public/pieces/anarchy_candy/rw.svg
diff --git a/public/pieces/anarchy-sepia/bb.svg b/public/pieces/anarchy_sepia/bb.svg
similarity index 100%
rename from public/pieces/anarchy-sepia/bb.svg
rename to public/pieces/anarchy_sepia/bb.svg
diff --git a/public/pieces/anarchy-sepia/bw.svg b/public/pieces/anarchy_sepia/bw.svg
similarity index 100%
rename from public/pieces/anarchy-sepia/bw.svg
rename to public/pieces/anarchy_sepia/bw.svg
diff --git a/public/pieces/anarchy-sepia/kb.svg b/public/pieces/anarchy_sepia/kb.svg
similarity index 100%
rename from public/pieces/anarchy-sepia/kb.svg
rename to public/pieces/anarchy_sepia/kb.svg
diff --git a/public/pieces/anarchy-sepia/kw.svg b/public/pieces/anarchy_sepia/kw.svg
similarity index 100%
rename from public/pieces/anarchy-sepia/kw.svg
rename to public/pieces/anarchy_sepia/kw.svg
diff --git a/public/pieces/anarchy-sepia/nb.svg b/public/pieces/anarchy_sepia/nb.svg
similarity index 100%
rename from public/pieces/anarchy-sepia/nb.svg
rename to public/pieces/anarchy_sepia/nb.svg
diff --git a/public/pieces/anarchy-sepia/nw.svg b/public/pieces/anarchy_sepia/nw.svg
similarity index 100%
rename from public/pieces/anarchy-sepia/nw.svg
rename to public/pieces/anarchy_sepia/nw.svg
diff --git a/public/pieces/anarchy-sepia/pb.svg b/public/pieces/anarchy_sepia/pb.svg
similarity index 100%
rename from public/pieces/anarchy-sepia/pb.svg
rename to public/pieces/anarchy_sepia/pb.svg
diff --git a/public/pieces/anarchy-sepia/pw.svg b/public/pieces/anarchy_sepia/pw.svg
similarity index 100%
rename from public/pieces/anarchy-sepia/pw.svg
rename to public/pieces/anarchy_sepia/pw.svg
diff --git a/public/pieces/anarchy-sepia/qb.svg b/public/pieces/anarchy_sepia/qb.svg
similarity index 100%
rename from public/pieces/anarchy-sepia/qb.svg
rename to public/pieces/anarchy_sepia/qb.svg
diff --git a/public/pieces/anarchy-sepia/qw.svg b/public/pieces/anarchy_sepia/qw.svg
similarity index 100%
rename from public/pieces/anarchy-sepia/qw.svg
rename to public/pieces/anarchy_sepia/qw.svg
diff --git a/public/pieces/anarchy-sepia/rb.svg b/public/pieces/anarchy_sepia/rb.svg
similarity index 100%
rename from public/pieces/anarchy-sepia/rb.svg
rename to public/pieces/anarchy_sepia/rb.svg
diff --git a/public/pieces/anarchy-sepia/rw.svg b/public/pieces/anarchy_sepia/rw.svg
similarity index 100%
rename from public/pieces/anarchy-sepia/rw.svg
rename to public/pieces/anarchy_sepia/rw.svg
diff --git a/src/board/styles-pieces/piecesStyles.ts b/src/board/styles-pieces/piecesStyles.ts
index 5a987d2..ec63907 100644
--- a/src/board/styles-pieces/piecesStyles.ts
+++ b/src/board/styles-pieces/piecesStyles.ts
@@ -1,10 +1,10 @@
 const piecesStyles = [
   "adventurer",
-  "alfonso-x",
+  "alfonso_x",
   "alpha",
   "anarchy",
-  "anarchy-candy",
-  "anarchy-sepia",
+  "anarchy_candy",
+  "anarchy_sepia",
   "berlin",
   "california",
   "cardinal",