Devinda, D W M Dinupa February 2018 FIDE Individual Chess Calculations

Individual Calculations February 2018

Devinda, D W M Dinupa Total change: -29.20

Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 15 years			Colombo		SRI	2017-12-27
Rc	Ro			w	n	change	K	*Kchg**	Game
1207	1033			1.00	4	-0.10	40	-4.00

Weththawa, B G E D		1244	SRI	0.00	1	-0.23	40	-9.20
Ekanayake, N N B		1269	SRI	0.50	1	0.30	40	12.00
Wickramasinghe, K A M I		1186	SRI	0.00	1	-0.30	40	-12.00
Thilakaratne, D N Adithya Wijetu		1128	SRI	0.50	1	0.13	40	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)

22nd Battle of the Kings Inter School Team Chess Championship 2018			Colombo		SRI	2018-01-19
Rc	Ro			w	n	change	K	*Kchg**	Game
1219	1033			0.50	4	-0.63	40	-25.20

Sandhanayaka, S D P S		1037	SRI	0.50	1	0.01	40	0.40
Sooriyakumar, Sanjeewan		1117	SRI	0.00	1	-0.38	40	-15.20
Herat-Guneratne, Lohan		1433 *	SRI	0.00	1	-0.08	40	-3.20
Jayawardana, Chenuka Nethvidu		1290	SRI	0.00	1	-0.18	40	-7.20
* 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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