FIAS

KO from clean strike = total victory; TKO via referee stoppage (cannot intelligently defend) = total victory

5 minutes (single period); OT period: 2 minutes if score tied

Closed-fist punches (to head + body); Kicks (to head, body, legs); Knee strikes (to head + body)

1 point: Knock-down (clean strike forcing opponent to ground); 1 point: Small throw (side landing); 2 points: Throw to knees

Sambo jacket + shorts (red or blue per competitor) — same as Sport Sambo; Sambovki (sambo wrestling shoes) — mandatory; Open-face protective helmet — mandatory in Combat Sambo (chin guard, padded crown, open visor)

FIAS-spec mat: 11m × 11m total, 9m central circle (same as Sport Sambo); Padded safety zone; Multiple parallel mats at major championships

Two competitors per match; Weight classes (Adult Male, kg): -58, -64, -71, -79, -88, -98, +98; Combat Sambo introduced women's divisions in 2017

5 minutes (single period); OT period: 2 minutes if score tied; Closed-fist punches (to head + body)

Decision priority: KO/TKO/submission > technical superiority > points > last-scoring competitor; Tournament: single-elimination + repechage; Gold/Silver/two Bronze per weight + gender

Illegal strikes: head-stomps, back-of-head, spine, eye-poke, throat — caution → DQ; Strikes to grounded opponent's head: generally restricted (specific rule varies by edition); Passivity: warning → caution → opponent advantage