Chess South Africa Ratings Database

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Personal

Sias, L (Leigh-Kay)

Chess SA id

1100131847

FIDE id

Date of birth

2010-03-21 (U16)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-07-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1165.7	1146.5	1209.2	1200
Raw rating	1165.7	1146.5	1209.2	1200
Weighted rating	1165.7	1146.3	1209.2	1200
Weighted performance	0	0	0	0
Floor	700	700	709.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	174.1	179	163.7	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1253.9 2023-06-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1209.2 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1209.2 2025-05-05	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1253.9 2023-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1165.7	1146.5	1209.2	1200
Analysis
Rating	1165.7	1146.5	1209.2	1200
Raw rating	1165.7	1146.5	1209.2	1200
Weighted rating	1165.7	1146.3	1209.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	709.2	700
Max/Min rating change allowed	174.1	179	163.7	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1165.7	1146.5	1209.2	1200
New weighted rating	1165.7	1146.3	1209.2	1200
New weighted performance	0	0	0	0
Temp new rating	1165.7	1146.5	1209.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1165.7	1146.5	1209.2	1200
New K-factor	36	36	36	36
New floor	700	700	709.2	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	9	5	4
	0	0	0
	0	0	0
History	15	11	4

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	6	40	-85	1213.2	1128.2
Standard	11	4	36.36	-115.9	1211	1095.1
Rapid	4	2	50	0	1219.3	1219.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1165.7	1146.5	1209.2	1200
2025-09-30	1165.7	1146.5	1209.2	1200
2025-09-01	1165.7	1146.5	1209.2	1200
2025-08-01	1165.7	1146.5	1209.2	1200
2025-07-01	1165.7	1146.5	1209.2	1200
2025-06-01	1165.7	1146.5	1209.2	1200
2025-05-01	1165.7	1146.5	1209.2	1200
2025-04-01	1165.7	1146.5	1209.2	1200
2025-03-01	1165.7	1146.5	1209.2	1200
2025-02-01	1165.7	1146.5	1209.2	1200
2025-01-01	1165.7	1146	1209.2	1200
2024-12-01	1165.7	1146	1209.2	1200
2024-11-01	1165.7	1146	1209.2	1200
2024-10-01	1165.7	1146	1209.2	1200
2024-09-01	1165.7	1146	1209.2	1200
2024-08-01	1165.7	1146	1209.2	1200
2024-07-01	1165.7	1146	1209.2	1200
2024-09-01	1165.7	1146	1209.2	1200
2024-05-01	1165.7	1146	1209.2	1200
2024-04-01	1165.7	1146	1209.2	1200
2024-03-01	1165.7	1146	1209.2	1200
2024-02-01	1165.7	1146	1209.2	1200
2024-01-01	1165.7	1146	1209.2	1200
2023-12-01	1165.7	1146	1209.2	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Pedro Booyse Top Schools 2023 (U13)	2023-07-29	2023-07-29	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
2	Upper West Coast Top Schools Championship 2023 (U13)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
3	Bo-Weskus Skole Prestige 2020 (O11 Seuns)	2020-02-15	2020-02-15	Standard	West Coast (WCU)	6	6	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Upper West Coast Top Schools Championship 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-06-10	rnd 4	type Rapid	result 1	date 2023-07-29	rnd 1	type Standard	result 1
		Opponent Green, M (Marzel)				Opponent Erasmus, D (Daniel)
2	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 1
		Opponent Herrang, H (Haydon)				Opponent Tities, J (Joey)
3	1	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 4	type Standard	result 1	date 2023-07-29	rnd 4	type Standard	result 1
		Opponent Opperman, K (Kelly-Ann)				Opponent Opperman, K (Kelly-Ann)

#	Games	Start				End
1	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 1
		Opponent Herrang, H (Haydon)				Opponent Tities, J (Joey)
2	1	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 4	type Standard	result 1	date 2023-07-29	rnd 4	type Standard	result 1
		Opponent Opperman, K (Kelly-Ann)				Opponent Opperman, K (Kelly-Ann)
3	1	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-07-29	rnd 1	type Standard	result 1
		Opponent Erasmus, D (Daniel)				Opponent Erasmus, D (Daniel)

#	Games	Start				End
1	2	Tournament Upper West Coast Top Schools Championship 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-06-10	rnd 4	type Rapid	result 1	date 2023-06-10	rnd 5	type Rapid	result 1
		Opponent Green, M (Marzel)				Opponent Opperman, C (Caleb)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Upper West Coast Top Schools Championship 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-06-10	rnd 4	type Rapid	result 1	date 2023-07-29	rnd 1	type Standard	result 1
		Opponent Green, M (Marzel)				Opponent Erasmus, D (Daniel)
2	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 1
		Opponent Herrang, H (Haydon)				Opponent Tities, J (Joey)
3	1	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 4	type Standard	result 1	date 2023-07-29	rnd 4	type Standard	result 1
		Opponent Opperman, K (Kelly-Ann)				Opponent Opperman, K (Kelly-Ann)

#	Games	Start				End
1	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 1
		Opponent Herrang, H (Haydon)				Opponent Tities, J (Joey)
2	1	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 4	type Standard	result 1	date 2023-07-29	rnd 4	type Standard	result 1
		Opponent Opperman, K (Kelly-Ann)				Opponent Opperman, K (Kelly-Ann)
3	1	Tournament Pedro Booyse Top Schools 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-07-29	rnd 1	type Standard	result 1
		Opponent Erasmus, D (Daniel)				Opponent Erasmus, D (Daniel)

#	Games	Start				End
1	2	Tournament Upper West Coast Top Schools Championship 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-06-10	rnd 4	type Rapid	result 1	date 2023-06-10	rnd 5	type Rapid	result 1
		Opponent Green, M (Marzel)				Opponent Opperman, C (Caleb)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Sikhondo ,N (Nevileen)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Sikhondo ,N (Nevileen)	2	1370.6	945.6	1	1265.5	945.6	1	1436.5	945.6	0	0	0
2	Opperman ,K (Kelly-Ann)	1	1	425	1	1	425	0	0	0	0	0	0
2	Opperman ,K (Kelly-Ann)	1	1178.5	1603.5	1	1138.8	1603.5	0	0	0	0	0	0
3	Coetzee ,C (Chris)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Coetzee ,C (Chris)	1	1171.7	746.7	1	1200	746.7	0	0	0	0	0	0
4	Julie ,D (Drueschen)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Julie ,D (Drueschen)	1	1162.6	737.6	1	1200	737.6	0	0	0	0	0	0
5	De Boer ,A (Andrew)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	De Boer ,A (Andrew)	1	1256.3	831.3	1	1164	831.3	0	0	0	0	0	0
6	Cassim ,T (Tayob)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Cassim ,T (Tayob)	1	1187	762	1	1200	762	0	0	0	0	0	0
7	Knight ,T (Tyde)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Knight ,T (Tyde)	1	1199.9	774.9	1	1200	774.9	0	0	0	0	0	0
8	Barends ,A (Amrick)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Barends ,A (Amrick)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Erasmus ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
9	Erasmus ,D (Daniel)	1	1175.5	1600.5	1	1200	1600.5	0	0	0	0	0	0
10	Herrang ,H (Haydon)	1	1	425	1	1	425	0	0	0	0	0	0
10	Herrang ,H (Haydon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Sias, L (Leigh-Kay)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms