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Individual Calculations April 2009 |
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| Holt, Conrad Total change: 34.80 | |   |
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| JG's Old-Fashioned Hamburgers Texas Masters | Richardson, Texas | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 2254 | 4.00 | 5 | 0.61 | 15 | 9.15 | |
|  Chiang, Jonathan | | | 1904 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Zivanic, Marko | m | | 2464 | SRB | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Shaffer, Alexander | | | 1994 | PUR | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Jayakumar, Adarsh | | | 1904 | IND | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Yang, Darwin | f | | 2214 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2009 Stillwater Winter FIDE Open | Stillwater, Oklahoma | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2136 | 2254 | 4.50 | 5 | 1.34 | 15 | 20.10 | |
| | Kline, Les | | | 1927 | USA | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Glascock, Dennis | | | 1953 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Baginskaite, Camilla | | wg | 2309 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Movsisyan, Movses | f | | 2229 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Langer, Michael | f | | 2264 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 13th Annual Mid-America Open | St. Louis, Missouri | USA | 2009-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2136 | 2254 | 3.00 | 4 | 0.37 | 15 | 5.55 | |
| | Steiner, Tim C | | | 2132 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Magness, Trevor S | | | 2142 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Cohen, Lawrence S | | | 2055 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Wasiluk, Kevin M | | | 2216 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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