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 |
|---|---|---|---|
| Xiaonuo | 4 | 1628 | 500 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | -0.014 | 0.507 | 0.578 | 91.5 | -75 | 196 | 1529 | 1493 | 7188 |
| EloSRM | -0.023 | 0.519 | 0.588 | 99.9 | -94 | 203 | 1667 | 1628 | 7134 |
| initial | -0.103 | 0.536 | 0.570 | 64.5 | -58 | 104 | 1194 | 1150 | 7926 |
| SRMFix | -0.065 | 0.538 | 0.592 | 85.3 | -121 | 121 | 1138 | 1100 | 7794 |
| SRM | -0.350 | 0.780 | 0.854 | 220.0 | -440 | 90 | 760 | 500 | 8967 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-12-22 | SRM 456 | 2 | 573 | 491.18 | -0.35 | -38 | 1628 | 7134 | -63 | 500 | 8967 |
| 3 | 2009-11-25 | SRM 453.5 | 2 | 349 | 695.11 | 0.99 | 203 | 1667 | 6968 | 90 | 563 | 9314 |
| 2 | 2009-10-20 | SRM 451 | 2 | 741 | 602.96 | -0.32 | -65 | 1464 | 9944 | -287 | 473 | 9877 |
| 1 | 2009-08-25 | SRM 447 | 2 | 771 | 636.02 | -0.42 | -94 | 1529 | 9046 | -440 | 760 | 7916 |