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 |
|---|---|---|---|
| TheTortoise | 1 | 1997 | 1271 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.450 | 0.450 | 0.450 | 71.0 | 71 | 71 | 1271 | 1271 | 2572 |
| SRMFix | 1.291 | 1.291 | 1.291 | 275.6 | 276 | 276 | 1476 | 1476 | 4224 |
| initial | 1.346 | 1.346 | 1.346 | 162.1 | 162 | 162 | 1362 | 1362 | 5088 |
| EloSRM | 1.408 | 1.408 | 1.408 | 373.7 | 374 | 374 | 1997 | 1997 | 4188 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2009-08-25 | SRM 447 | 2 | 239 | 634.09 | 1.41 | 374 | 1997 | 4188 | 71 | 1271 | 2572 |