You role play out your attack  as normal then at the end in () put your atk and or def/parry % which I will role against my npcs %'s. It's how to judge the difference in fighter skills
[hider=example Yoshida vs Hidetoshi][b]Yoshida[/b]-Your time has come Hidetoshi!" Yelled Yoshida sheathing his sword as he crouched low to the earth in his Eishin-ryu stance. 
This is where you die"
(atk%15)
[i][b]Hidetoshi[/b] [/i]-" why you arrogant samurai!!!" Yelled Hidetoshi as he darted forward katana held high. "I'll kill your entire clan!!!!"
(atk%+13) 
{ in truth both characters are of equal skill. But if you notice Yoshida is in his Eishin-ryu stance giving him +3to his atk. On a d10 role for Yoshida 5for a total of 20. Hidetoshi is only attacking out of rage so no bonus for a total rollof 17)
[b]Gm[/b] as Hidetoshi brought his katana down with force; Yoshida with calm ease leapt forward springing his katana from its sheath with lightning speed slitting Hidetoshi's exposed throat.
[i]"D...damn you! Yosh...." [/i]he gurgled as blood sprayed from his wound. With a thud he collapsed to the ground.[/hider]