De Silva, R B V Nimsara February 2018 FIDE Individual Chess Calculations

Individual Calculations February 2018

De Silva, R B V Nimsara Total change: -70.80

2nd SSC Open International Rating Chess Tournament 2017			Matara		SRI	2017-12-26
Rc	Ro			w	n	change	K	*Kchg**	Game
1125	1396			5.00	7	-0.79	40	-31.60

Galukagama, G L Dishen Sandaru		1095	SRI	0.50	1	-0.35	40	-14.00
De Silva, T Dinura Hemjith		1137	SRI	0.50	1	-0.32	40	-12.80
Gehara, L G Dulni		1108	SRI	0.50	1	-0.34	40	-13.60
Perera, P K Jagath		1104	SRI	1.00	1	0.15	40	6.00
Himsara, W A Janidu		1212	SRI	0.50	1	-0.24	40	-9.60
Weerawardana, Ushan Thashitha K		1124	SRI	1.00	1	0.17	40	6.80
Nimsanda, K H Savitha		1092	SRI	1.00	1	0.14	40	5.60
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)

Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 13 years			Colombo		SRI	2017-12-27
Rc	Ro			w	n	change	K	*Kchg**	Game
1227	1396			4.00	7	-0.98	40	-39.20

Viduranga, Oshadha		1104	SRI	1.00	1	0.15	40	6.00
Yasarathne, B A D Rashmina Pramo		1196	SRI	0.50	1	-0.26	40	-10.40
Dharmasena, S B T V		1181	SRI	1.00	1	0.23	40	9.20
Vithanage, I A		1524	SRI	0.00	1	-0.33	40	-13.20
Lansakara, B M		1250	SRI	0.50	1	-0.20	40	-8.00
Bandara, W M Nadil Dulshen		1199	SRI	0.00	1	-0.75	40	-30.00
Sethiya , A Vinuga		1134	SRI	1.00	1	0.18	40	7.20
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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