This duel uses the "Duelist Kingdom" ruleset: 2000 Life Points, no Tributes required for high-level monsters, and no direct attacks on Life Points. Visual Evolution: Character & Card Designs
Fans often point out that Yugi could have won the duel if he had attacked Pegasus's Dragon Piper (200 ATK) instead of Koumori Dragon . In the Japanese version, Yugi explains he couldn't leave his own monster under Pegasus's control; this explanation was cut in the English dub.
In the English version, Solomon’s tournament poster features Black Luster Soldier and Harpie's Pet Dragon , whereas the Japanese version shows Celtic Guardian and Hercules Beetle . Pegasus duel? Yu-Gi-Oh! - Episode 002 | Yu-Gi-Oh! Wiki | Fandom