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 |
|---|---|---|---|
| amr_mohammed | 7 | 1996 | 878 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.212 | 0.654 | 0.800 | 95.5 | -108 | 259 | 1856 | 1856 | 4953 |
| EloSRM | 0.234 | 0.663 | 0.811 | 107.6 | -131 | 264 | 1996 | 1996 | 4984 |
| SRM | 0.078 | 0.669 | 0.801 | 94.9 | -294 | 77 | 1000 | 878 | 6265 |
| SRMFix | 0.253 | 0.720 | 0.821 | 83.9 | -115 | 161 | 1435 | 1411 | 5087 |
| initial | 0.301 | 0.754 | 0.854 | 90.7 | -159 | 149 | 1463 | 1454 | 4668 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 2010-11-18 | SRM 488 | 2 | 174 | 394.22 | 1.18 | 148 | 1996 | 4984 | 77 | 878 | 6265 |
| 6 | 2010-09-25 | SRM 483 | 2 | 976 | 412.65 | -1.30 | -131 | 1848 | 5990 | -199 | 801 | 7043 |
| 5 | 2009-03-11 | SRM 436 | 2 | 250 | 305.71 | 0.29 | 40 | 1980 | 4316 | 13 | 1000 | 6410 |
| 4 | 2009-03-04 | TCO09 Qual 3 | 1 | 575 | 701.64 | 0.29 | 56 | 1940 | 4618 | 29 | 987 | 7024 |
| 3 | 2009-02-24 | TCO09 Qual 1 | 1 | 844 | 1,017.89 | 0.27 | 75 | 1884 | 4939 | 14 | 958 | 7221 |
| 2 | 2009-01-06 | SRM 432 | 2 | 220 | 476.35 | 1.12 | 264 | 1808 | 5900 | 38 | 944 | 7573 |
| 1 | 2008-11-12 | SRM 425 | 2 | 541 | 605.34 | -0.20 | -39 | 1544 | 9693 | -294 | 906 | 8020 |