mysql> select CONCAT(firstname," ",surname), goldstars, blames, goldstars - blames as karma from shbot_user order by karma desc;
+-------------------------------+-----------+--------+-------+
| CONCAT(firstname," ",surname) | goldstars | blames | karma |
+-------------------------------+-----------+--------+-------+
| Johnny Thow                   |       326 |     66 |   260 |
| David Pinkerton               |       243 |     32 |   211 |
| Andrew Hendry                 |       270 |     87 |   183 |
| Colin Jack                    |       421 |    310 |   111 |
| Steven Hammerton              |       235 |    147 |    88 |
| Rao_Dao Zao                   |       163 |     78 |    85 |
| Inti Herteleer                |        52 |      7 |    45 |
| Zooey Deschanel               |        30 |      0 |    30 |
| ShbotV2                       |        60 |     30 |    30 |
| Jebus Banga                   |        24 |      5 |    19 |
| Gee Chand                     |        21 |      3 |    18 |
| Dot                           |        25 |      8 |    17 |
| That Guy                      |        22 |      5 |    17 |
| Ali Osman                     |        12 |      1 |    11 |
| Mohammed Osman                |        11 |      0 |    11 |
| Calum Munro                   |         6 |      2 |     4 |
| Christophle McCluskers        |         5 |      1 |     4 |
| cake                          |         3 |      0 |     3 |
| Google                        |         7 |      4 |     3 |
| Mike Childs                   |         3 |      0 |     3 |
| Josh                          |         2 |      0 |     2 |
| wiki pedia                    |         2 |      0 |     2 |
| Andrew McLatchie              |         2 |      0 |     2 |
| Ioannis Valatsos              |         2 |      0 |     2 |
| Adrian Stace                  |         2 |      0 |     2 |
| earth lion                    |         1 |      0 |     1 |
| daft punk                     |         1 |      0 |     1 |
| James MacIver                 |         1 |      0 |     1 |
| svn                           |         0 |      0 |     0 |
| maven                         |         0 |      0 |     0 |
| Mozilla Foundation            |         1 |      1 |     0 |
| Eclipse                       |         2 |      2 |     0 |
| Apple                         |         2 |      2 |     0 |
| Zune                          |         0 |      0 |     0 |
| us lot                        |         0 |      0 |     0 |
| Amor                          |         3 |      3 |     0 |
| WolframAlpha                  |        31 |     32 |    -1 |
| Public Sector                 |         0 |      1 |    -1 |
| Kana Ciboodle                 |         0 |      1 |    -1 |
| groove shark                  |         1 |      4 |    -3 |
| David Anderson                |        11 |     15 |    -4 |
| UrbanDictionary               |        89 |     94 |    -5 |
| Handy Fergy                   |         6 |     14 |    -8 |
| VisualStudio                  |         2 |     13 |   -11 |
| Microsoft                     |        16 |     46 |   -30 |
| Sword                         |         4 |     37 |   -33 |
| Thomas Lightbody              |       688 |   1225 |  -537 |
+-------------------------------+-----------+--------+-------+