Arman Tsarukyan
"Ahalkalakets"
23-3-0
VS
2026-09-19
UFC 331: Van vs. Pantoja 2
Lightweight
Mauricio Ruffy
12-2-0
RECENCY-HEAVY · CATBOOST PREDICTION
Arman Tsarukyan 'Ahalkalakets'
64.5% CONFIDENCE
ACTUAL RESULT — MODEL WAS CORRECT
Arman Tsarukyan 'Ahalkalakets' won
KO/TKO · Round 1 · 4:56
How It Ends
49%
Decision
33%
KO / TKO
18%
Submission
Decision48.7%
KO / TKO33.3%
Submission18.0%
If it's a finish, which round
Round 141.2%
Round 241.3%
Round 3+17.5%
A separate model trained only on how fights end (not who wins) — 51% estimated chance this fight is finished rather than going to a decision.
Why CatBoost leans this way
Arman Tsarukyan
Mauricio Ruffy
Net striking dominance
Matchup
17%
Elo rating edge
Matchup
14%
Experience edge (total fights)
Matchup
10%
Strike rate delta r1 to r3
Mauricio Ruffy
8%
Strike rate delta r1 to r3
Arman Tsarukyan
7%
Defensive skill edge
Matchup
5%
Age
Arman Tsarukyan
3%
Strikes absorbed/min
Arman Tsarukyan
3%
Head-strike accuracy edge
Matchup
3%
Avg control time
Arman Tsarukyan
3%
Age
Mauricio Ruffy
2%
Avg takedowns attempted
Arman Tsarukyan
2%
Avg takedowns attempted
Mauricio Ruffy
2%
Distance strike defense
Arman Tsarukyan
2%
← pushes toward Arman Tsarukyan pushes toward Mauricio Ruffy →
Bars show each factor's SHAP contribution to this specific prediction — how much it pushed the win probability toward one fighter, given everything else the model knows. Percentages are each factor's share of the total push across the top 30 factors.

Arman Tsarukyan

Win Streak
N/A
Finish Rate
N/A%
Avg Duration
N/Am
Last 5 fights (most recent first)
W KO
W SUB
W DEC
W KO
W KO
Height: 170 cm
Weight: 155 lbs
Reach: 183 cm
Stance: Orthodox

Mauricio Ruffy

Win Streak
N/A
Finish Rate
N/A%
Avg Duration
N/Am
Last 5 fights (most recent first)
L KO
W KO
W KO
L SUB
W KO
Height: 180 cm
Weight: 155 lbs
Reach: 190 cm
Stance: Orthodox