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 |
|---|---|---|---|
| rcmadhu | 4 | 1696 | 899 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.278 | 0.902 | 1.257 | 120.0 | -55 | 366 | 1792 | 1696 | 6743 |
| Odd | 0.251 | 0.928 | 1.264 | 113.6 | -48 | 359 | 1713 | 1617 | 6327 |
| initial | 0.199 | 0.948 | 1.234 | 114.2 | -74 | 276 | 1443 | 1296 | 5746 |
| SRMFix | 0.177 | 0.998 | 1.276 | 139.4 | -91 | 319 | 1445 | 1280 | 5942 |
| SRM | -0.054 | 1.025 | 1.194 | 150.8 | -277 | 151 | 1074 | 899 | 6223 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-10-17 | SRM 450 | 2 | 695 | 561.28 | -0.31 | -41 | 1696 | 6743 | -109 | 899 | 6223 |
| 3 | 2006-03-17 | SRM 293 | 2 | 248 | 142.87 | -0.80 | -55 | 1737 | 2751 | -66 | 1008 | 3128 |
| 2 | 2006-03-06 | SRM 292 | 2 | 51 | 261.73 | 2.36 | 366 | 1792 | 2469 | 151 | 1074 | 2618 |
| 1 | 2006-02-16 | SRM 290 | 2 | 234 | 211.66 | -0.14 | -18 | 1427 | 4256 | -277 | 923 | 3364 |