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 |
|---|---|---|---|
| zuozhong | 6 | 1815 | 735 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.030 | 0.145 | 0.223 | 22.8 | -33 | 79 | 1615 | 1609 | 9747 |
| EloSRM | 0.005 | 0.146 | 0.210 | 21.0 | -22 | 71 | 1826 | 1815 | 9270 |
| initial | -0.004 | 0.147 | 0.208 | 17.7 | -25 | 50 | 1224 | 1197 | 9638 |
| SRMFix | -0.017 | 0.153 | 0.209 | 20.1 | -41 | 47 | 1199 | 1176 | 9602 |
| SRM | -0.237 | 0.301 | 0.351 | 79.8 | -285 | 7 | 915 | 735 | 10627 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 2012-04-23 | SRM 541 | 2 | 509 | 647.98 | -0.21 | -11 | 1815 | 9270 | -44 | 735 | 10627 |
| 5 | 2012-04-14 | TCO12 Round 1C | 1 | 972 | 1,302.19 | -0.02 | 3 | 1826 | 9167 | -4 | 779 | 9932 |
| 4 | 2012-04-11 | SRM 540 | 2 | 589 | 795.18 | 0.43 | 71 | 1823 | 9091 | 7 | 783 | 9726 |
| 3 | 2012-04-07 | TCO12 Round 1B | 1 | 1117 | 1,449.79 | 0.02 | 12 | 1752 | 9874 | -17 | 776 | 9755 |
| 2 | 2012-04-04 | SRM 539 | 2 | 411 | 491.43 | -0.18 | -22 | 1740 | 9969 | -122 | 793 | 9311 |
| 1 | 2012-03-31 | TCO12 Round 1A | 1 | 1306 | 1,519.76 | -0.01 | 7 | 1762 | 9622 | -285 | 915 | 7441 |