3.51 The challenge must be met if the rating system is to succeed, if it is to produce ratings that will satisfy the players and the users of the rating list.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| iabrother | 4 | 2543 | 1271 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.105 | 0.342 | 0.473 | 58.8 | -52 | 153 | 1334 | 1271 | 2058 |
| SRMFix | 0.472 | 0.488 | 0.714 | 84.6 | -4 | 197 | 1530 | 1530 | 2527 |
| EloSRM | 0.467 | 0.511 | 0.724 | 147.6 | -10 | 367 | 2543 | 2543 | 1926 |
| initial | 0.515 | 0.516 | 0.760 | 62.2 | 0 | 167 | 1448 | 1448 | 2716 |
| Odd | 0.480 | 0.522 | 0.736 | 143.4 | -5 | 342 | 2252 | 2252 | 2018 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2017-07-22 | TCO17 Round 2C | 1 | 173 | 274.23 | 0.01 | 14 | 2543 | 1926 | -11 | 1271 | 2058 |
| 3 | 2017-04-18 | SRM 712 | 1 | 183 | 237.02 | -0.09 | -10 | 2529 | 2213 | -52 | 1282 | 2264 |
| 2 | 2017-04-08 | TCO17 Round 1B | 1 | 130 | 317.68 | 1.29 | 367 | 2539 | 2271 | 153 | 1334 | 2031 |
| 1 | 2016-07-19 | SRM 695 | 2 | 163 | 256.41 | 0.65 | 200 | 2172 | 4700 | -19 | 1181 | 3337 |