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 |
|---|---|---|---|
| Igorov | 2 | 1777 | 417 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.389 | 0.389 | 0.395 | 81.6 | -105 | -58 | 1835 | 1777 | 8222 |
| SRMFix | -0.438 | 0.438 | 0.448 | 90.5 | -123 | -58 | 1077 | 1019 | 8358 |
| initial | -0.446 | 0.446 | 0.447 | 53.7 | -58 | -49 | 1142 | 1093 | 8240 |
| SRM | -0.470 | 0.470 | 0.487 | 135.0 | -149 | -121 | 538 | 417 | 8443 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2015-12-26 | SRM 677 | 2 | 515 | 444.28 | -0.32 | -58 | 1777 | 8222 | -121 | 417 | 8443 |
| 1 | 2015-11-30 | SRM 674 | 2 | 249 | 203.19 | -0.46 | -105 | 1835 | 7402 | -149 | 538 | 7944 |