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 |
|---|---|---|---|
| helicopt | 4 | 2530 | 1282 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.493 | 0.532 | 0.735 | 116.1 | 2 | 274 | 2530 | 2530 | 1437 |
| Odd | 0.500 | 0.537 | 0.744 | 116.0 | 8 | 281 | 2211 | 2211 | 1513 |
| SRMFix | 0.549 | 0.549 | 0.785 | 83.5 | 2 | 189 | 1534 | 1534 | 1607 |
| initial | 0.637 | 0.637 | 0.835 | 76.7 | 13 | 172 | 1507 | 1507 | 1554 |
| SRM | 0.327 | 0.704 | 0.844 | 159.0 | -186 | 187 | 1387 | 1282 | 1346 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2019-06-15 | 2019 Beijing Round | 1 | 38 | 87.99 | 1.21 | 176 | 2530 | 1437 | 172 | 1282 | 1346 |
| 3 | 2019-05-01 | TCO19 Parallel 1B | 1 | 52 | 52.32 | 0.01 | 13 | 2355 | 1907 | -91 | 1110 | 1940 |
| 2 | 2019-04-20 | TCO19 Round 1A | 1 | 527 | 499.34 | -0.08 | 2 | 2342 | 1912 | -186 | 1201 | 1641 |
| 1 | 2018-05-26 | TCO18 Beijing | 1 | 46 | 81.72 | 0.83 | 274 | 2340 | 2125 | 187 | 1387 | 1175 |