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 |
|---|---|---|---|
| gero | 9 | 1774 | 688 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.048 | 0.361 | 0.542 | 43.5 | -100 | 150 | 1404 | 1252 | 6816 |
| SRMFix | 0.050 | 0.370 | 0.535 | 38.6 | -65 | 120 | 1353 | 1249 | 6846 |
| Odd | 0.029 | 0.373 | 0.539 | 45.2 | -52 | 132 | 1745 | 1658 | 6238 |
| EloSRM | 0.034 | 0.375 | 0.541 | 44.2 | -53 | 136 | 1862 | 1774 | 6275 |
| SRM | -0.124 | 0.466 | 0.559 | 76.0 | -248 | 72 | 952 | 688 | 10965 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9 | 2009-03-11 | SRM 436 | 2 | 469 | 449.06 | -0.43 | -23 | 1774 | 6275 | -45 | 688 | 10965 |
| 8 | 2009-02-24 | TCO09 Qual 1 | 1 | 1115 | 1,017.41 | -0.13 | -12 | 1797 | 5816 | -36 | 733 | 10297 |
| 7 | 2009-01-21 | SRM 433 | 2 | 681 | 374.89 | -0.86 | -53 | 1809 | 5903 | -102 | 769 | 9984 |
| 6 | 2008-12-11 | SRM 429 | 2 | 389 | 381.78 | -0.03 | 10 | 1862 | 5316 | -5 | 871 | 8613 |
| 5 | 2008-12-02 | SRM 428 | 2 | 201 | 461.46 | 1.20 | 136 | 1852 | 5424 | 72 | 876 | 8554 |
| 4 | 2008-11-12 | SRM 425 | 2 | 434 | 600.86 | 0.47 | 83 | 1715 | 6864 | 14 | 804 | 9376 |
| 3 | 2008-11-06 | SRM 424 | 2 | 501 | 508.39 | 0.02 | 23 | 1632 | 7587 | -65 | 790 | 9609 |
| 2 | 2008-06-14 | SRM 405 | 2 | 600 | 667.65 | 0.15 | 55 | 1609 | 7464 | -97 | 855 | 8732 |
| 1 | 2008-05-06 | SRM 401 | 2 | 419 | 552.33 | -0.08 | -3 | 1554 | 8083 | -248 | 952 | 6163 |