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 |
|---|---|---|---|
| alexanders | 3 | 2438 | 1382 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.248 | 0.284 | 0.388 | 60.7 | 22 | 125 | 1382 | 1382 | 2543 |
| SRMFix | 0.745 | 0.745 | 0.862 | 129.3 | 23 | 235 | 1588 | 1588 | 4673 |
| EloSRM | 0.777 | 0.777 | 0.906 | 222.1 | 52 | 345 | 2438 | 2438 | 3390 |
| initial | 0.790 | 0.790 | 0.911 | 95.2 | 18 | 138 | 1485 | 1485 | 5523 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2012-12-08 | SRM 563 | 1 | 257 | 512.86 | 1.00 | 269 | 2438 | 3390 | 125 | 1382 | 2543 |
| 2 | 2012-08-16 | SRM 552 | 1 | 237 | 402.51 | 0.13 | 52 | 2169 | 5414 | 35 | 1257 | 3558 |
| 1 | 2012-08-04 | SRM 551 | 2 | 325 | 749.53 | 1.21 | 345 | 2117 | 5896 | 22 | 1222 | 3900 |