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ELO is a system where you gain ranking points (ELO) for killing other players in Ranked Deathmatch. When you kill somebody, you can gain between 0 and 5 ELO. When you die, you lose between 0 and 5 ELO. How much you gain or lose depends on the difference between your ELO and the person you killed/were killed by. Usually, high ELO is supposed to denote high skill, but ELO is broken in slay at the moment.

ELO Calculations

Every player starts with 2500 ELO.

ELO table
ELO Difference % Chance to win ELO Difference % Chance to win
Stronger

player

Weaker

player

Stronger

player

Weaker

player

0 - 3 50 50 189 - 197 75 25
4 - 10 51 49 198 - 206 76 24
11 - 17 52 48 207 - 215 77 23
18 - 25 53 47 216 - 225 78 22
26 - 32 54 46 226 - 235 79 21
33 - 39 55 45 236 - 245 80 20
40 - 46 56 44 226 - 235 81 19
47 - 53 57 43 257 - 267 82 18
54 - 61 58 42 268 - 278 83 17
62 - 68 59 41 279 - 290 84 16
69 - 76 60 40 291 - 302 85 15
77 - 83 61 39 303 - 315 86 14
84 - 91 62 38 316 - 328 87 13
92 - 98 63 37 329 - 344 88 12
99 - 106 64 36 345 - 357 89 11
107 - 113 65 35 358 - 374 90 10
114 - 121 66 34 375 - 391 91 9
122 - 129 67 33 392 - 411 92 8
130 - 137 68 32 412 - 432 93 7
138 - 145 69 31 433 - 456 94 6
146 - 153 70 30 457 - 484 95 5
154 - 162 71 29 485 - 517 96 4
163 - 170 72 28 518 - 559 97 3
163 - 170 73 27 560 - 619 98 2
180 - 188 74 26 620 + 99 1

Example: If first player has 2100 elo and second has 2600 elo, the second player has a 96% chance of winning.

ELO equation:

ELOnew=ELOold+5*(1-Wch)
ELOnew = ELO after battle
ELOold = ELO before battle
Wch = Chance of winning (example: 70% = 0.70)

How elo is calculatedĀ : Player A has 2600 ELO, and player B has 2400 ELO. 2600-2400 = 200. The 200 point difference means that player A has 92% chance of winning.

  • If player A kills player B, player A get 5*(1-0.76)= 1.2 = 1 ELO.
  • If player B kills player A, player B get 5*(1-0.24)= 3.8 = 3 EL

Player B gets only 3 elo, but will get (3.8+0.8) = 4 ELO from their next kill.

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