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 |
|---|---|---|---|
| itbookman | 3 | 1769 | 800 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.127 | 0.375 | 0.456 | 45.2 | -45 | 84 | 1246 | 1246 | 6194 |
| EloSRM | 0.160 | 0.379 | 0.500 | 91.5 | -73 | 189 | 1769 | 1769 | 6113 |
| SRMFix | 0.120 | 0.403 | 0.498 | 74.9 | -100 | 120 | 1225 | 1225 | 6332 |
| SRM | -0.340 | 0.584 | 0.762 | 147.3 | -387 | 21 | 834 | 800 | 6933 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2010-01-19 | SRM 459 | 2 | 572 | 564.43 | -0.02 | 13 | 1769 | 6113 | -34 | 800 | 6933 |
| 2 | 2010-01-14 | Member SRM 458 | 2 | 392 | 686.53 | 0.81 | 189 | 1755 | 6138 | 21 | 834 | 6517 |
| 1 | 2009-12-22 | SRM 456 | 2 | 573 | 506.16 | -0.31 | -73 | 1567 | 7793 | -387 | 813 | 6582 |