Sugathadasa, Sasiru Hansana February 2023 FIDE Individual Chess Calculations

Individual Calculations February 2023

Sugathadasa, Sasiru Hansana Total change: 136.62

Asia Schools CC 2022- U 13 O			Kaluthara		SRI	2022-12-05
Rc	Ro			w	n	change	K	*Kchg**	Game
1208	1132			2.50	8	-0.70	33	-23.10

Gamage, A G R Ruwanmith		1348	SRI	0.00	1	-0.22	33	-7.26
Yanakan, P		1251	SRI	0.50	1	0.16	33	5.28
Prematunge, H R Homindu Dulaj		1229	SRI	0.00	1	-0.37	33	-12.21
Pathirage, Yukitha Kenula Perera		1153	SRI	0.50	1	0.03	33	0.99
Saipriyan, T		1229	SRI	0.00	1	-0.37	33	-12.21
Nuwarapaksha, N P M Lakvindu		1077	SRI	0.00	1	-0.58	33	-19.14
Rasil, Ibrahim Rasheed Sabiq		1223	MDV	1.00	1	0.62	33	20.46
Perera, K Damiru Damsara		1152	SRI	0.50	1	0.03	33	0.99
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)

Kandy Open International Rating Chess Championships 2022			Kandy		SRI	2022-12-27
Rc	Ro			w	n	change	K	*Kchg**	Game
1419	1132			5.00	8	3.72	33	122.76

Dissanayake, D M S L		1456	SRI	1.00	1	0.87	33	28.71
Wickramaarachchi, Nayanaka Insara		1440	SRI	0.50	1	0.36	33	11.88
Maithripala, W D P N		1424	SRI	0.50	1	0.35	33	11.55
Weerasinghe, Liviru Eranda		1406	SRI	0.50	1	0.33	33	10.89
Jayasundara, J M Daham V		1463	SRI	0.50	1	0.38	33	12.54
Senevirathne, D C B K		1374	SRI	0.50	1	0.30	33	9.90
Thilakarathne, Adeesha Dinal		1387	SRI	0.50	1	0.31	33	10.23
Herath, H M S S A		1399	SRI	1.00	1	0.82	33	27.06
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)

Kaluthara International Chess Festival 2023			Kaluthara		SRI	2023-01-20
Rc	Ro			w	n	change	K	*Kchg**	Game
1412	1132			2.00	5	1.12	33	36.96

Sandaruwan, M G Ravindu		1430	SRI	0.00	1	-0.15	33	-4.95
Jayanka, L P P R		1370	SRI	0.50	1	0.30	33	9.90
Lavanga, D Binuka		1341	SRI	0.00	1	-0.23	33	-7.59
Kamala, Piruna		1590	SRI	1.00	1	0.95	33	31.35
Wijeratne, Rehan Nawantha		1329	SRI	0.50	1	0.25	33	8.25
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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