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 |
|---|---|---|---|
| purplest | 4 | 1902 | 791 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.010 | 0.323 | 0.445 | 45.7 | -69 | 106 | 1301 | 1232 | 8251 |
| EloSRM | 0.030 | 0.344 | 0.488 | 64.0 | -55 | 164 | 1957 | 1902 | 7976 |
| initial | 0.079 | 0.348 | 0.450 | 41.9 | -63 | 86 | 1302 | 1238 | 8333 |
| SRM | -0.312 | 0.371 | 0.446 | 102.2 | -234 | -10 | 966 | 791 | 9170 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2012-08-04 | SRM 551 | 2 | 797 | 585.34 | -0.63 | -55 | 1902 | 7976 | -121 | 791 | 9170 |
| 3 | 2012-07-21 | SRM 550 | 2 | 618 | 618.58 | 0.00 | 20 | 1957 | 7433 | -44 | 912 | 7382 |
| 2 | 2012-04-23 | SRM 541 | 2 | 428 | 717.92 | 0.75 | 164 | 1937 | 7947 | -10 | 956 | 7097 |
| 1 | 2012-04-14 | TCO12 Round 1C | 1 | 972 | 1,324.14 | 0.00 | 16 | 1773 | 9810 | -234 | 966 | 6949 |