Piyathilaka, Oshadhi Ruwanya May 2019 FIDE Individual Chess Calculations

Individual Calculations May 2019

Piyathilaka, Oshadhi Ruwanya Total change: 54.00

Sri Lanka Women's National Qualifying Chess Championship 2019 - Kurunegala				Kurunegala		SRI	2019-03-08
Rc	Ro				w	n	change	K	*Kchg**	Game
1249	1048				1.00	3	0.24	40	9.60

Herath, H M M D			1349	SRI	0.00	1	-0.15	40	-6.00
Samaradiwakare, A Sonali Kumari			1111	SRI	1.00	1	0.59	40	23.60
Indrajith, J A K N T			1287	SRI	0.00	1	-0.20	40	-8.00
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)

Asian Youth Chess Championship 2019 - Under 12 Girls				Colombo		SRI	2019-04-04
Rc	Ro				w	n	change	K	*Kchg**	Game
1268	1048				3.00	8	1.11	40	44.40

Sinthia, Sarkar			1387	IND	0.50	1	0.38	40	15.20
Prommuang, Araya		wc	1448 *	THA	0.00	1	-0.08	40	-3.20
Perera, D G D S Vidarsha			1215	SRI	1.00	1	0.72	40	28.80
Dumankyzy, Alfarabi			1275	KAZ	1.00	1	0.79	40	31.60
Nguyen, Linh Dan		wc	1325	VIE	0.00	1	-0.17	40	-6.80
Attanayake, Chanindi Mewna			1172	SRI	0.50	1	0.17	40	6.80
Piyumanthi, M Sayumi Vimansa			1192	SRI	0.00	1	-0.31	40	-12.40
Wickramarathne, P W G Gaveshi			1131	SRI	0.00	1	-0.39	40	-15.60
* 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)

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