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Individual Calculations January 2010 |
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| Koshy, Varugeese Total change: 1.00 | |   |
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| 47th Premier National Chess Championship 2009 | Goregaon Sports Club, Mumbai, India | IND | 2009-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2372 | 2280 | 5.00 | 13 | 0.10 | 10 | 1.00 | |
|  Rathnakaran, K | m | | 2421 | IND | 0.50 | 1 | 0.19 | 10 | 1.90 | |  Deepan, Chakkravarthy J | g | | 2518 | IND | 0.00 | 1 | -0.20 | 10 | -2.00 | | | Anwesh, Upadhyaya | | | 2406 | IND | 0.50 | 1 | 0.17 | 10 | 1.70 | | | Narayanan, Srinath | m | | 2370 | IND | 0.00 | 1 | -0.38 | 10 | -3.80 | | | Babu, N Sudhakar | m | | 2335 | IND | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Padmini, Rout | | wm | 2334 | IND | 1.00 | 1 | 0.58 | 10 | 5.80 | | | Matta, Vinay Kumar | | | 2292 | IND | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Girinath, P D S | m | | 2378 | IND | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Thejkumar, M S | m | | 2453 | IND | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Arvind, Shastry | | | 2302 | IND | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Shyam, Sundar M | m | | 2401 | IND | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Abhay, T | | | 2343 | IND | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Ramnathan, Balasubramaniam | m | | 2277 | IND | 0.50 | 1 | 0.00 | 10 | 0.00 | |
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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