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 |
|---|---|---|---|
| alpc23 | 4 | 2068 | 1036 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.161 | 0.564 | 0.658 | 98.0 | -156 | 114 | 1314 | 1036 | 4362 |
| initial | 0.340 | 0.613 | 0.939 | 73.8 | -66 | 216 | 1430 | 1364 | 5014 |
| SRMFix | 0.214 | 0.668 | 0.973 | 115.1 | -99 | 353 | 1554 | 1455 | 4371 |
| EloSRM | 0.224 | 0.720 | 1.048 | 133.7 | -50 | 469 | 2118 | 2068 | 3813 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2010-01-14 | Member SRM 458 | 2 | 485 | 340.40 | -0.95 | -50 | 2068 | 3813 | -156 | 1036 | 4362 |
| 3 | 2010-01-04 | SRM 457 | 1 | 303 | 397.80 | 0.02 | 13 | 2118 | 3475 | -9 | 1192 | 3169 |
| 2 | 2009-12-22 | SRM 456 | 1 | 377 | 421.62 | -0.04 | -3 | 2105 | 3538 | -113 | 1201 | 3071 |
| 1 | 2009-12-17 | Member SRM 455 | 2 | 171 | 623.47 | 1.87 | 469 | 2108 | 3491 | 114 | 1314 | 2243 |