ELO / MMR Change Calculator

Enter your rating, your opponent's rating, K-factor, and match result to see your exact ELO change. All values update live as you type.

Ratings

Match Result

K-Factor

Result

You were the even match (expected win probability: 50.0%)

ELO Change

+16

New Rating

1216

Expected win probability 50.0%

K-factor: 32 — Standard (new players, online games)

All Outcomes

Win Draw Loss
ELO change +16 +0 -16
New rating 1216 1200 1184

K-Factor Explained

Rapid adjustment — used in most online games and for new competitive players. Your rating moves quickly to reflect your true skill.

Real-World K-Factor Examples

  • ~50 CS2 Premier — Very rapid early adjustment; new accounts move quickly to their true rank.
  • ~32 Chess.com Rapid — Standard online rating speed used for casual and club players.
  • 32/24/16 FIDE (Chess) — Tiered by player level: 32 for new players, 24 for 2100–2400, 16 for 2400+.
  • varies Rocket League — MMR shifts vary by rank and season; higher ranks gain/lose less per match.
  • ~50 Overwatch (early seasons) — Large K-factor used in placement matches and early seasons to seed players quickly.
Private game hosting

Run your own game server.

Rent a private game server on real hardware — full control-panel access, your mods, your configs, your rules. It's your server; run it your way.

Rent a game server Real hardware · Full control panel · 98% SLA

Don't want to run it yourself? Our managed services & consulting team will set it up and keep it running for you — game servers, Windows, Linux, and cloud, from 10+ years of MSP work.