Chess South Africa Ratings Database

PLAYER PAGE

Personal

May, J (Juwayne)

Chess SA id

1100150497

FIDE id

Date of birth

2010-11-04 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1260.6	1263.9	1200	1200
Raw rating	1260.6	1263.9	1200	1200
Weighted rating	1248.1	1249.8	1200	1200
Weighted performance	0	0	0	0
Floor	760.6	763.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.1	151.4	165.8	165.8
Highest rating	1277.6 2024-03-01	1264.2 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1260.6 2025-09-01	1263.9 2025-09-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1244.2 2025-09-01	1245.5 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1277.6 2024-03-01	1264.2 2024-03-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1260.6	1263.9	1200	1200
Analysis
Rating	1260.6	1263.9	1200	1200
Raw rating	1260.6	1263.9	1200	1200
Weighted rating	1248.1	1249.8	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	760.6	763.9	700	700
Max/Min rating change allowed	152.1	151.4	165.8	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	1260.6	1263.9	1200	1200
New weighted rating	1249.8	1251.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1260.6	1263.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1260.6	1263.9	1200	1200
New K-factor	36	36	36	36
New floor	760.6	763.9	700	700

Item	Main	Standard
	0	0
	7	7
	11	11
	5	5
	0	0
	0	0
History	23	23

Games since
	Main 18	Standard 18		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
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	7	4	57.14	60.7	1256.8	1317.5
Standard	7	4	57.14	60.7	1256.8	1317.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	12.5	54.35	37	1258.1	1295
Standard	23	12.5	54.35	37	1258.1	1295
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1260.6	1263.9	1200	1200
2025-09-30	1260.6	1263.9	1200	1200
2025-09-01	1260.6	1263.9	1200	1200
2025-08-01	1248.6	1249.5	1200	1200
2025-07-01	1248.6	1249.5	1200	1200
2025-06-01	1248.6	1249.5	1200	1200
2025-05-01	1248.6	1249.5	1200	1200
2025-04-01	1248.6	1249.5	1200	1200
2025-03-01	1248.6	1249.5	1200	1200
2025-02-01	1243.9	1245.5	1200	1200
2025-01-01	1243.9	1245.5	1200	1200
2024-12-01	1243.9	1245.5	1200	1200
2024-11-01	1243.9	1245.5	1200	1200
2024-10-01	1243.9	1245.5	1200	1200
2024-09-01	1243.9	1245.5	1200	1200
2024-08-01	1243.9	1245.5	1200	1200
2024-07-01	1243.9	1245.5	1200	1200
2024-09-01	1243.9	1245.5	1200	1200
2024-05-01	1243.9	1245.5	1200	1200
2024-04-01	1243.9	1245.5	1200	1200
2024-03-01	1214.3	1212.4	1200	1200
2024-02-01	1197	1196.4	1200	1200
2024-01-01	1197	1196.4	1200	1200
2023-12-01	1197	1196.4	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Metro North Top Schools 2025 (U17)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	3	1	1	Yes	Analysis
2	CT Metro North Schools Chess Individual Trials 2025 (U15 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Metro North Top Schools 2025 (U17)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	3	1	1	Yes	Analysis
2	CT Metro North Schools Chess Individual Trials 2025 (U15 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
4	North District School Trials 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
5	North District School Trials 2023 (U13 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	5	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-02-09	rnd 5	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Bawden, M (Matthew)				Opponent Martin, S (Sulayman)
2	3	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2024-03-03	rnd 5	type Standard	result 0.5	date 2025-02-08	rnd 1	type Standard	result 1
		Opponent Gacula, A (Amile)				Opponent Nane, O (Olwethu)
3	3	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Hollander, M (Matthew)				Opponent Jonkers, E (Elvico)

#	Games	Start				End
1	3	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-02-09	rnd 5	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Bawden, M (Matthew)				Opponent Martin, S (Sulayman)
2	3	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2024-03-03	rnd 5	type Standard	result 0.5	date 2025-02-08	rnd 1	type Standard	result 1
		Opponent Gacula, A (Amile)				Opponent Nane, O (Olwethu)
3	3	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Hollander, M (Matthew)				Opponent Jonkers, E (Elvico)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Hollander, M (Matthew)				Opponent Jonkers, E (Elvico)
2	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Janse Van Rensburg, D (Daniel)				Opponent Gwanzura, K (Kevin)
3	2	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-03	rnd 2	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Davids, D (Devon)				Opponent Dockrall, J (James)

#	Games	Start				End
1	3	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Hollander, M (Matthew)				Opponent Jonkers, E (Elvico)
2	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Janse Van Rensburg, D (Daniel)				Opponent Gwanzura, K (Kevin)
3	2	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-03	rnd 2	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Davids, D (Devon)				Opponent Dockrall, J (James)

No games found.

#	Games	Start				End

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	Hollander ,M (Matthew)	2	1	0	2	1	0	0	0	0	0	0	0
1	Hollander ,M (Matthew)	2	1225.7	1225.7	2	1185.6	1225.7	0	0	0	0	0	0
2	Davids ,D (Devon)	1	1	425	1	1	425	0	0	0	0	0	0
2	Davids ,D (Devon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Palmer ,J (Jesse)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Palmer ,J (Jesse)	1	1518	1093	1	1554.3	1093	0	0	0	0	0	0
4	Pretorius ,A (Anton)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Pretorius ,A (Anton)	1	1243.2	818.2	1	1228.8	818.2	0	0	0	0	0	0
5	Martin ,S (Sulayman)	1	1	425	1	1	425	0	0	0	0	0	0
5	Martin ,S (Sulayman)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Fortune ,R (Ruchin)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Fortune ,R (Ruchin)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	O`connell ,G (Geordan)	1	1	425	1	1	425	0	0	0	0	0	0
7	O`connell ,G (Geordan)	1	1114.2	1539.2	1	1075.6	1539.2	0	0	0	0	0	0
8	Janse Van Rensburg ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
8	Janse Van Rensburg ,D (Daniel)	1	1309.2	1734.2	1	1256.2	1734.2	0	0	0	0	0	0
9	Du Raan ,C (Cobus)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Du Raan ,C (Cobus)	1	1279.7	854.7	1	1270.9	854.7	0	0	0	0	0	0
10	Ellappa ,J (Judah)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ellappa ,J (Judah)	1	1428.2	1003.2	1	1370	1003.2	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

May, J (Juwayne)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms