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Individual Calculations January 2009 |
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| Arun Prasad, S Total change: 22.30 | |   |
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| 012 COMMONWEALTH CHESS CHAMPIONSHIP 2008 | Nagpur, Indian | IND | 2008-09-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2394 | 2492 | 8.00 | 11 | 1.17 | 10 | 11.70 | |
|  Hardik, Mehta | | | 2142 | IND | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Premnath, R | | | 2256 | IND | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Hasan, Mehdi | f | | 2264 | BAN | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Lalith, Babu M R | | | 2328 | IND | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Das, Arghyadip | | | 2404 | IND | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Suvrajit, Saha | m | | 2367 | IND | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Ganguly, Surya Shekhar | g | | 2631 | IND | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Karthikeyan, P | m | | 2402 | IND | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Negi, Parimarjan | g | | 2529 | IND | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Vidit, Santosh Gujrathi | f | | 2356 | IND | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Short, Nigel D | g | | 2655 | ENG | 0.00 | 1 | -0.28 | 10 | -2.80 | |
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) | | | | India - Armenia Friendship Chess Match | New Delhi, India | | 2008-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2541 | 2530 | 2.50 | 3 | 1.06 | 10 | 10.60 | |
| | Melkumyan, Hrant | g | | 2541 | ARM | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Melkumyan, Hrant | g | | 2541 | ARM | 1.00 | 1 | 0.52 | 10 | 5.20 | | | Melkumyan, Hrant | g | | 2541 | ARM | 1.00 | 1 | 0.52 | 10 | 5.20 | |
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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