diff --git a/c.tsv b/c.tsv
index 74e0e4d..135378a 100644
--- a/c.tsv
+++ b/c.tsv
@@ -427,13 +427,13 @@ C33	King's Gambit Accepted: Lopez-Gianutio Countergambit, Hein Variation	1. e4 e
 C33	King's Gambit Accepted: Mason-Keres Gambit	1. e4 e5 2. f4 exf4 3. Nc3
 C33	King's Gambit Accepted: Orsini Gambit	1. e4 e5 2. f4 exf4 3. b3
 C33	King's Gambit Accepted: Paris Gambit	1. e4 e5 2. f4 exf4 3. Ne2
-C33	King's Gambit Accepted: Polerio Gambit	1. e4 e5 2. f4 exf4 3. d4
 C33	King's Gambit Accepted: Schurig Gambit, with Bb5	1. e4 e5 2. f4 exf4 3. Bb5
 C33	King's Gambit Accepted: Schurig Gambit, with Bd3	1. e4 e5 2. f4 exf4 3. Bd3
 C33	King's Gambit Accepted: Stamma Gambit	1. e4 e5 2. f4 exf4 3. h4
 C33	King's Gambit Accepted: Tartakower Gambit	1. e4 e5 2. f4 exf4 3. Be2
 C33	King's Gambit Accepted: Tartakower Gambit, Weiss Defense	1. e4 e5 2. f4 exf4 3. Be2 f5 4. exf5 d6
 C33	King's Gambit Accepted: Tumbleweed	1. e4 e5 2. f4 exf4 3. Kf2
+C33	King's Gambit Accepted: Villemson Gambit	1. e4 e5 2. f4 exf4 3. d4
 C34	King's Gambit Accepted: Becker Defense	1. e4 e5 2. f4 exf4 3. Nf3 h6
 C34	King's Gambit Accepted: Bonsch-Osmolovsky Variation	1. e4 e5 2. f4 exf4 3. Nf3 Ne7
 C34	King's Gambit Accepted: Fischer Defense	1. e4 e5 2. f4 exf4 3. Nf3 d6