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 |
|---|---|---|---|
| needle | 2 | 1991 | 1137 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.105 | 0.105 | 0.145 | 31.5 | -36 | -27 | 1164 | 1137 | 3402 |
| SRMFix | 0.567 | 0.567 | 0.586 | 116.0 | 69 | 163 | 1432 | 1432 | 4294 |
| EloSRM | 0.609 | 0.609 | 0.654 | 177.8 | 92 | 264 | 1991 | 1991 | 4175 |
| Odd | 0.643 | 0.643 | 0.691 | 189.7 | 99 | 281 | 1855 | 1855 | 4209 |
| initial | 0.745 | 0.745 | 0.746 | 89.8 | 87 | 92 | 1380 | 1380 | 4594 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2010-03-16 | SRM 464 | 2 | 338 | 437.28 | 0.37 | 92 | 1991 | 4175 | -27 | 1137 | 3402 |
| 1 | 2009-11-25 | SRM 453.5 | 2 | 320 | 575.30 | 0.85 | 264 | 1900 | 5026 | -36 | 1164 | 3390 |