diff --git a/c.tsv b/c.tsv
index 0115ddf..d2d316b 100644
--- a/c.tsv
+++ b/c.tsv
@@ -776,6 +776,7 @@ C46	Three Knights Opening: Steinitz Defense	1. e4 e5 2. Nf3 Nc6 3. Nc3 g6
 C46	Three Knights Opening: Steinitz-Rosenthal Variation	1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nd5
 C46	Three Knights Opening: Winawer Defense	1. e4 e5 2. Nf3 Nc6 3. Nc3 f5
 C47	Four Knights Game	1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6
+C47	Four Knights Game: Giri Variation	1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. h3
 C47	Four Knights Game: Glek System	1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3
 C47	Four Knights Game: Glek System	1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nxc3 7. bxc3
 C47	Four Knights Game: Gunsberg Variation	1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3