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 |
|---|---|---|---|
| Andr_ftk | 4 | 1944 | 694 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.237 | 0.542 | 0.804 | 124.5 | -75 | 387 | 1958 | 1944 | 5709 |
| Odd | 0.201 | 0.544 | 0.773 | 102.2 | -58 | 313 | 1720 | 1713 | 5446 |
| SRMFix | 0.044 | 0.600 | 0.723 | 90.2 | -101 | 159 | 1188 | 1157 | 5435 |
| initial | -0.006 | 0.600 | 0.692 | 72.3 | -60 | 143 | 1236 | 1197 | 5213 |
| SRM | -0.211 | 0.806 | 0.891 | 182.0 | -389 | 111 | 811 | 694 | 6328 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2017-02-21 | SRM 709 | 2 | 202 | 262.54 | -0.20 | -14 | 1944 | 5709 | -34 | 694 | 6328 |
| 3 | 2017-02-09 | SRM 708 | 2 | 115 | 338.36 | 1.56 | 387 | 1958 | 5389 | 111 | 728 | 5863 |
| 2 | 2017-01-21 | SRM 706 | 2 | 338 | 349.83 | -0.08 | -22 | 1571 | 7136 | -194 | 617 | 6556 |
| 1 | 2010-07-17 | SRM 476 | 2 | 771 | 719.42 | -0.34 | -75 | 1593 | 8096 | -389 | 811 | 6661 |