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 |
|---|---|---|---|
| alex-shagraev | 3 | 2372 | 1217 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.789 | 1.415 | 1.970 | 245.0 | -336 | 376 | 1576 | 1217 | 2978 |
| SRMFix | 1.292 | 1.666 | 2.422 | 268.0 | -75 | 680 | 1929 | 1854 | 2154 |
| initial | 1.560 | 1.673 | 2.457 | 201.5 | -20 | 506 | 1784 | 1763 | 2838 |
| EloSRM | 1.341 | 1.735 | 2.494 | 302.6 | -79 | 730 | 2451 | 2372 | 2112 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-09-23 | SRM 449 | 1 | 760 | 512.22 | -0.59 | -79 | 2372 | 2112 | -336 | 1217 | 2978 |
| 2 | 2009-09-10 | SRM 448 | 1 | 389 | 495.27 | 0.35 | 98 | 2451 | 1767 | -23 | 1553 | 1238 |
| 1 | 2009-08-25 | SRM 447 | 2 | 33 | 634.09 | 4.26 | 730 | 2353 | 2167 | 376 | 1576 | 1164 |