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 |
|---|---|---|---|
| SRM_UPML | 4 | 2455 | 1384 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.529 | 0.835 | 1.184 | 127.0 | -162 | 265 | 1546 | 1384 | 2092 |
| SRMFix | 1.009 | 1.180 | 1.665 | 194.1 | -40 | 567 | 1936 | 1896 | 2044 |
| EloSRM | 0.962 | 1.228 | 1.735 | 252.9 | -63 | 693 | 2518 | 2455 | 1677 |
| initial | 1.241 | 1.241 | 1.738 | 149.4 | 3 | 391 | 1798 | 1798 | 2817 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-02-12 | SRM 435 | 1 | 450 | 311.31 | -0.53 | -63 | 2455 | 1677 | -162 | 1384 | 2092 |
| 3 | 2008-12-11 | SRM 429 | 1 | 275 | 438.37 | 0.67 | 133 | 2518 | 1392 | 79 | 1546 | 1324 |
| 2 | 2008-12-02 | SRM 428 | 1 | 383 | 493.81 | 0.37 | 123 | 2385 | 1930 | 2 | 1467 | 1662 |
| 1 | 2008-07-31 | SRM 412 | 2 | 58 | 588.12 | 3.34 | 693 | 2262 | 2299 | 265 | 1465 | 1673 |