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 |
|---|---|---|---|
| algohary | 4 | 1603 | 597 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.155 | 0.226 | 0.283 | 27.2 | -56 | 16 | 1182 | 1125 | 9527 |
| EloSRM | -0.119 | 0.236 | 0.281 | 43.8 | -53 | 41 | 1656 | 1603 | 7662 |
| SRMFix | -0.144 | 0.255 | 0.297 | 42.2 | -83 | 22 | 1151 | 1098 | 8664 |
| SRM | -0.548 | 0.548 | 0.698 | 150.8 | -328 | -34 | 872 | 597 | 9327 |
| # | 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 | 857 | 644.46 | -0.49 | -53 | 1603 | 7662 | -142 | 597 | 9327 |
| 3 | 2009-09-10 | SRM 448 | 2 | 630 | 696.96 | 0.15 | 41 | 1656 | 7154 | -34 | 739 | 8175 |
| 2 | 2009-08-08 | SRM 446 | 2 | 714 | 759.61 | 0.09 | 39 | 1615 | 7421 | -99 | 773 | 7757 |
| 1 | 2009-07-23 | SRM 445 | 2 | 840 | 719.67 | -0.22 | -42 | 1576 | 7856 | -328 | 872 | 6657 |