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 |
|---|---|---|---|
| vlassance | 4 | 2145 | 1158 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.955 | 0.955 | 1.349 | 136.7 | 29 | 244 | 2145 | 2145 | 3168 |
| Odd | 0.990 | 0.990 | 1.395 | 136.4 | 29 | 238 | 1997 | 1997 | 3326 |
| SRMFix | 1.006 | 1.006 | 1.468 | 115.5 | 15 | 253 | 1662 | 1662 | 3135 |
| SRM | 0.654 | 1.020 | 1.404 | 129.5 | -235 | 128 | 1158 | 1158 | 4175 |
| initial | 1.099 | 1.099 | 1.592 | 132.4 | 18 | 358 | 1729 | 1729 | 3020 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-03-11 | SRM 436 | 2 | 51 | 281.66 | 2.46 | 173 | 2145 | 3168 | 128 | 1158 | 4175 |
| 3 | 2009-03-07 | TCO09 Round 1 | 1 | 1297 | 1,380.11 | 0.09 | 29 | 1972 | 4320 | -45 | 1030 | 5883 |
| 2 | 2009-03-04 | TCO09 Qual 3 | 1 | 408 | 861.11 | 1.08 | 244 | 1943 | 4597 | 110 | 1075 | 5470 |
| 1 | 2009-02-28 | TCO09 Qual 2 | 1 | 1122 | 1,278.47 | 0.19 | 100 | 1698 | 6990 | -235 | 965 | 7137 |