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 |
|---|---|---|---|
| lzsb123 | 4 | 2237 | 1139 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.482 | 0.936 | 1.295 | 168.2 | -292 | 294 | 1494 | 1139 | 3573 |
| initial | 0.861 | 1.034 | 1.718 | 124.5 | -28 | 410 | 1656 | 1615 | 3414 |
| SRMFix | 0.499 | 1.247 | 1.780 | 196.2 | -122 | 588 | 1812 | 1639 | 3209 |
| EloSRM | 0.533 | 1.272 | 1.831 | 210.4 | -67 | 673 | 2355 | 2237 | 2829 |
| Odd | 0.538 | 1.286 | 1.854 | 214.5 | -64 | 698 | 2218 | 2106 | 2802 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2010-01-19 | SRM 459 | 2 | 267 | 126.40 | -1.08 | -50 | 2237 | 2829 | 12 | 1139 | 3573 |
| 3 | 2010-01-04 | SRM 457 | 1 | 482 | 372.68 | -0.40 | -67 | 2288 | 2519 | -292 | 1127 | 3624 |
| 2 | 2009-11-05 | SRM 452 | 1 | 420 | 461.69 | 0.14 | 51 | 2355 | 2246 | -75 | 1419 | 1744 |
| 1 | 2009-10-17 | SRM 450 | 2 | 60 | 666.32 | 3.47 | 673 | 2304 | 2428 | 294 | 1494 | 1456 |