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Individual Calculations September 2009 |
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| Piasetski, Leon Total change: -18.70 | |   |
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| 2009 Canadian Open | Edmonton, Alberta | CAN | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2252 | 2288 | 2.00 | 5 | -0.84 | 10 | -8.40 | |
|  Shirov, Alexei | g | | 2688 * | ESP | 0.00 | 1 | -0.08 | 10 | -0.80 | | | Me, Kevin | | | 2145 | CAN | 0.00 | 1 | -0.69 | 10 | -6.90 | | | Sundar, Avinaash | | | 2093 | CAN | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Moloney, Nicholas | | | 2199 | ENG | 1.00 | 1 | 0.38 | 10 | 3.80 | |  Davies, Noam | | | 2136 | CAN | 0.50 | 1 | -0.20 | 10 | -2.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Hogeschool Zeeland Chess Tournament 2009 | Vlissingen | NED | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2244 | 2288 | 5.00 | 8 | 0.58 | 10 | 5.80 | |
| | Smits, Benjamin | | | 1888 * | NED | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Oosterom, Erik | | | 2128 | NED | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Ernst, Sipke | g | | 2598 | NED | 0.00 | 1 | -0.14 | 10 | -1.40 | | | Bottema, Martin | | | 2105 | NED | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Timmermans, Mark | | | 2125 | NED | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Karthikeyan, P. | m | | 2478 | IND | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Riemens, Albert | | | 2156 | NED | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Zaragatski, Ilja | m | | 2472 | GER | 0.00 | 1 | -0.26 | 10 | -2.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Jubilee Open Master 2009 | Zurich | SUI | 2009-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2315 | 2288 | 3.00 | 8 | -0.79 | 10 | -7.90 | |
| | Ivanisevic, Ivan | g | | 2629 | SRB | 1.00 | 1 | 0.88 | 10 | 8.80 | | | Bromberger, Stefan | m | | 2510 | GER | 0.00 | 1 | -0.22 | 10 | -2.20 | | | Remensberger, Paul | | | 2093 | SUI | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Hirneise, Tobias | f | | 2429 | GER | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Hirzel, Rene | | | 2162 | SUI | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Carron, Julien | m | | 2416 | SUI | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Delorme, Laurie | | | 2152 | FRA | 0.00 | 1 | -0.68 | 10 | -6.80 | | | Wittenberg, Andreas | | | 2129 | GER | 0.00 | 1 | -0.71 | 10 | -7.10 | |
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) | | | | 16th Vienna Chess Open | Vienna | AUT | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2184 | 2288 | 3.00 | 6 | -0.82 | 10 | -8.20 | |
| | Hess, Christian | f | | 2257 | GER | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Bozinovic, Boban | | | 2114 | AUT | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Ernst, Michael | | | 2178 | AUT | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Ruecker, Benjamin | | | 2258 | GER | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Mack, Wolfgang | | | 2223 | GER | 0.00 | 1 | -0.59 | 10 | -5.90 | | | Jirovec, Alfred | | | 2075 | AUT | 0.00 | 1 | -0.77 | 10 | -7.70 | |
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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