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 |
|---|---|---|---|
| seanf | 11 | 2065 | 867 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.108 | 0.495 | 0.680 | 72.2 | -57 | 382 | 2101 | 2065 | 3664 |
| Odd | 0.126 | 0.506 | 0.691 | 73.8 | -55 | 392 | 1977 | 1936 | 3695 |
| SRMFix | 0.182 | 0.526 | 0.693 | 66.4 | -106 | 242 | 1592 | 1540 | 3851 |
| SRM | 0.233 | 0.565 | 0.661 | 75.3 | -229 | 59 | 1216 | 867 | 8584 |
| initial | 0.329 | 0.601 | 0.782 | 72.4 | -102 | 182 | 1622 | 1596 | 3536 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11 | 2009-04-30 | SRM 439 | 2 | 180 | 178.23 | -0.01 | 9 | 2065 | 3664 | 53 | 867 | 8584 |
| 10 | 2009-03-07 | TCO09 Round 1 | 1 | 1504 | 1,295.95 | -0.21 | -20 | 2055 | 3689 | -229 | 814 | 9229 |
| 9 | 2009-03-04 | TCO09 Qual 3 | 1 | 522 | 542.61 | 0.06 | 13 | 2075 | 3568 | 24 | 1043 | 5818 |
| 8 | 2009-02-28 | TCO09 Qual 2 | 1 | 1102 | 788.50 | -0.48 | -37 | 2062 | 3601 | -78 | 1019 | 6166 |
| 7 | 2009-02-12 | SRM 435 | 2 | 111 | 176.33 | 0.67 | 55 | 2099 | 3400 | 44 | 1097 | 5306 |
| 6 | 2009-02-07 | SRM 434 | 2 | 456 | 200.35 | -1.19 | -57 | 2044 | 3803 | -75 | 1053 | 5772 |
| 5 | 2009-01-21 | SRM 433 | 2 | 199 | 210.97 | 0.08 | 26 | 2101 | 3427 | 14 | 1128 | 4514 |
| 4 | 2008-12-23 | SRM 431 | 2 | 167 | ||||||||
| 3 | 2008-12-11 | SRM 429 | 2 | 154 | 296.54 | 0.94 | 115 | 2075 | 3544 | 59 | 1114 | 4684 |
| 2 | 2008-12-02 | SRM 428 | 1 | 540 | 558.45 | -0.04 | -7 | 1960 | 4429 | -161 | 1055 | 5954 |
| 1 | 2008-11-25 | SRM 427 | 2 | 195 | 467.38 | 1.26 | 382 | 1967 | 4340 | 16 | 1216 | 3465 |