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 |
|---|---|---|---|
| R4Y | 5 | 2200 | 1193 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.641 | 0.685 | 1.014 | 144.6 | -8 | 438 | 2200 | 2200 | 2779 |
| SRMFix | 0.739 | 0.768 | 1.111 | 101.5 | -16 | 286 | 1674 | 1674 | 3032 |
| initial | 0.814 | 0.816 | 1.160 | 98.2 | 0 | 248 | 1690 | 1690 | 3127 |
| SRM | 0.687 | 1.050 | 1.375 | 75.8 | -184 | 98 | 1193 | 1193 | 3520 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2009-02-28 | TCO09 Qual 2 | 1 | 595 | 783.78 | 0.40 | 96 | 2200 | 2779 | 31 | 1193 | 3520 |
| 4 | 2008-05-25 | East China Round 2 | 1 | 70 | 64.83 | -0.11 | -8 | 2104 | 2973 | -9 | 1162 | 3909 |
| 3 | 2008-05-03 | East China Round 1 | 1 | 126 | 206.29 | 0.71 | 121 | 2112 | 2855 | 57 | 1171 | 3493 |
| 2 | 2007-12-04 | SRM 380 | 2 | 94 | 406.33 | 2.11 | 438 | 1991 | 3160 | 98 | 1114 | 3568 |
| 1 | 2007-02-03 | SRM 337 | 2 | 401 | 428.38 | 0.10 | 59 | 1552 | 5157 | -184 | 1016 | 3897 |