Chess South Africa Ratings Database

PLAYER PAGE

Personal

Karelse, J (Jaywin)

Chess SA id

1060146756

FIDE id

Date of birth

2006-11-21 (U20)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1252.5	1200.1	1283.6	1200
Raw rating	1252.5	1200.1	1283.6	1200
Weighted rating	1221.4	1200.1	1228.6	1200
Weighted performance	0	0	0	0
Floor	752.5	712	783.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.9	165.8	147.2	165.8
Highest rating	1280.8 2023-02-01	1263.9 2022-09-01	1283.6 2025-09-30	1200 2018-10-01
Highest raw rating	1252.5 2025-09-30	1212 2022-10-01	1283.6 2025-09-30	1200 2024-02-01
Highest weighted rating	1225.8 2024-10-01	1212 2023-03-01	1223.6 2025-09-30	1200 2018-10-01
Highest weighted performance	1280.8 2023-02-01	1263.9 2022-09-01	1246.6 2023-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1252.5	1200.1	1283.6	1200
Analysis
Rating	1252.5	1200.1	1283.6	1200
Raw rating	1252.5	1200.1	1283.6	1200
Weighted rating	1221.4	1200.1	1228.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	752.5	712	783.6	700
Max/Min rating change allowed	153.9	165.8	147.2	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	1252.5	1200.1	1283.6	1200
New weighted rating	1224.1	1200.1	1233.4	1200
New weighted performance	0	0	0	0
Temp new rating	1252.5	1200.1	1283.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1252.5	1200.1	1283.6	1200
New K-factor	36	36	36	36
New floor	752.5	712	783.6	700

Item	Main	Standard	Rapid
	0	0	0
	6	0	6
	0	0	0
	10	5	5
	5	5	0
	0	0	0
History	21	10	11

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Male
Age group	U20
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	6	4.5	75	212.5	1273.4	1485.9
Standard	0	0	0	0	0	0
Rapid	6	4.5	75	212.5	1273.4	1485.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	21	13	61.9	101.2	1232.5	1333.7
Standard	10	5	50	0	1221.4	1221.4
Rapid	11	8	72.73	193.2	1242.6	1435.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1252.5	1200.1	1283.6	1200
2025-09-30	1252.5	1200.1	1283.6	1200
2025-09-01	1215.6	1200.1	1218.4	1200
2025-08-01	1215.6	1200.1	1218.4	1200
2025-07-01	1215.6	1200.1	1218.4	1200
2025-06-01	1215.6	1200.1	1218.4	1200
2025-05-01	1215.6	1200.1	1218.4	1200
2025-04-01	1215.6	1200.1	1218.4	1200
2025-03-01	1215.6	1200.1	1218.4	1200
2025-02-01	1215.6	1200.1	1218.4	1200
2025-01-01	1215.6	1200.1	1218.4	1200
2024-12-01	1215.6	1200.1	1218.4	1200
2024-11-01	1215.6	1200.1	1218.4	1200
2024-10-01	1215.6	1200.1	1218.4	1200
2024-09-01	1215.6	1200.1	1218.4	1200
2024-08-01	1215.6	1200.1	1218.4	1200
2024-07-01	1215.6	1200.1	1218.4	1200
2024-09-01	1215.6	1200.1	1218.4	1200
2024-05-01	1215.6	1200.1	1218.4	1200
2024-04-01	1215.6	1200.1	1218.4	1200
2024-03-01	1215.6	1200.1	1218.4	1200
2024-02-01	1215.6	1200.1	1218.4	1200
2024-01-01	1215.6	1200.1	1218.4	1200
2023-12-01	1215.6	1200.1	1218.4	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	Overberg Club Championship 2025	2025-09-13	2025-09-13	Rapid	Overberg (WOS)	7	6	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Club Championship 2025	2025-09-13	2025-09-13	Rapid	Overberg (WOS)	7	6	4.5	Yes	Analysis
2	Overberg High School Closed 2023 (U17 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
3	Overberg High Schools Trails 2023 (U17)	2023-02-24	2023-02-24	Rapid	Overberg (WOS)	5	5	3.5	Yes	Analysis
4	Western Cape Top Schools 2022 (U18 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Western Cape Top Schools 2022				Tournament Overberg High Schools Trails 2023
		date 2022-09-17	rnd 5	type Standard	result 1	date 2023-02-24	rnd 5	type Rapid	result 1
		Opponent Beukes, R (Rayneqo)				Opponent Opperman, E (Eldon)
2	5	Tournament Overberg Club Championship 2025				Tournament Overberg Club Championship 2025
		date 2025-09-13	rnd 1	type Rapid	result 1	date 2025-09-13	rnd 5	type Rapid	result 1
		Opponent Oosthuizen, J (Jacques)				Opponent Nel, Z (Zybrand)
3	2	Tournament Overberg High School Closed 2023				Tournament Overberg High School Closed 2023
		date 2023-03-25	rnd 2	type Standard	result 1	date 2023-03-25	rnd 3	type Standard	result 1
		Opponent Damons, K (Keagon)				Opponent Meiring, J (James)

#	Games	Start				End
1	2	Tournament Overberg High School Closed 2023				Tournament Overberg High School Closed 2023
		date 2023-03-25	rnd 2	type Standard	result 1	date 2023-03-25	rnd 3	type Standard	result 1
		Opponent Damons, K (Keagon)				Opponent Meiring, J (James)
2	2	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-16	rnd 1	type Standard	result 1	date 2022-09-17	rnd 2	type Standard	result 1
		Opponent Burgess, J (Jaydelan-Waytt)				Opponent Ntloko, K (Kwanda)
3	1	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 5	type Standard	result 1	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent Beukes, R (Rayneqo)				Opponent Beukes, R (Rayneqo)

#	Games	Start				End
1	10	Tournament Overberg High Schools Trails 2023				Tournament Overberg Club Championship 2025
		date 2023-02-24	rnd 1	type Rapid	result 0.5	date 2025-09-13	rnd 5	type Rapid	result 1
		Opponent Jambo, S (Stanwill)				Opponent Nel, Z (Zybrand)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Overberg Club Championship 2025				Tournament Overberg Club Championship 2025
		date 2025-09-13	rnd 3	type Rapid	result 1	date 2025-09-13	rnd 5	type Rapid	result 1
		Opponent Buhr, G (Gretchen)				Opponent Nel, Z (Zybrand)
2	2	Tournament Overberg High School Closed 2023				Tournament Overberg High School Closed 2023
		date 2023-03-25	rnd 2	type Standard	result 1	date 2023-03-25	rnd 3	type Standard	result 1
		Opponent Damons, K (Keagon)				Opponent Meiring, J (James)
3	2	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-16	rnd 1	type Standard	result 1	date 2022-09-17	rnd 2	type Standard	result 1
		Opponent Burgess, J (Jaydelan-Waytt)				Opponent Ntloko, K (Kwanda)

#	Games	Start				End
1	2	Tournament Overberg High School Closed 2023				Tournament Overberg High School Closed 2023
		date 2023-03-25	rnd 2	type Standard	result 1	date 2023-03-25	rnd 3	type Standard	result 1
		Opponent Damons, K (Keagon)				Opponent Meiring, J (James)
2	2	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-16	rnd 1	type Standard	result 1	date 2022-09-17	rnd 2	type Standard	result 1
		Opponent Burgess, J (Jaydelan-Waytt)				Opponent Ntloko, K (Kwanda)
3	1	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 5	type Standard	result 1	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent Beukes, R (Rayneqo)				Opponent Beukes, R (Rayneqo)

#	Games	Start				End
1	3	Tournament Overberg Club Championship 2025				Tournament Overberg Club Championship 2025
		date 2025-09-13	rnd 3	type Rapid	result 1	date 2025-09-13	rnd 5	type Rapid	result 1
		Opponent Buhr, G (Gretchen)				Opponent Nel, Z (Zybrand)
2	2	Tournament Overberg High Schools Trails 2023				Tournament Overberg Club Championship 2025
		date 2023-02-24	rnd 5	type Rapid	result 1	date 2025-09-13	rnd 1	type Rapid	result 1
		Opponent Opperman, E (Eldon)				Opponent Oosthuizen, J (Jacques)
3	1	Tournament Overberg High Schools Trails 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-24	rnd 2	type Rapid	result 1	date 2023-02-24	rnd 2	type Rapid	result 1
		Opponent Van Niekerk, C (Cornelius)				Opponent Van Niekerk, C (Cornelius)

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	Van Zyl ,J (Jeandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Van Zyl ,J (Jeandre)	1	1203.5	778.5	1	1203.6	778.5	0	0	0	0	0	0
2	Beukes ,R (Rayneqo)	1	1	425	1	1	425	0	0	0	0	0	0
2	Beukes ,R (Rayneqo)	1	1304.2	1729.2	1	1311.8	1729.2	0	0	0	0	0	0
3	Meiring ,J (James)	1	1	425	1	1	425	0	0	0	0	0	0
3	Meiring ,J (James)	1	1182.5	1607.5	1	1200	1607.5	0	0	0	0	0	0
4	Goeda ,J (Jade)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Goeda ,J (Jade)	1	1158.4	733.4	1	1112.4	733.4	0	0	0	0	0	0
5	Burgess ,J (Jaydelan-Waytt)	1	1	425	1	1	425	0	0	0	0	0	0
5	Burgess ,J (Jaydelan-Waytt)	1	1047.5	1472.5	1	1032.2	1472.5	0	0	0	0	0	0
6	Ntloko ,K (Kwanda)	1	1	425	1	1	425	0	0	0	0	0	0
6	Ntloko ,K (Kwanda)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Thompson ,D (Duwayne)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Thompson ,D (Duwayne)	1	1286.3	861.3	1	1284.4	861.3	0	0	0	0	0	0
8	Harmse ,J (Jacques)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Harmse ,J (Jacques)	1	1414.1	989.1	1	1356.3	989.1	0	0	0	0	0	0
9	Lupelo ,D (Dyoli)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Lupelo ,D (Dyoli)	1	1199.1	774.1	1	1200	774.1	0	0	0	0	0	0
10	Jambo ,S (Stanwill)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Jambo ,S (Stanwill)	1	1361.3	1361.3	0	0	0	1	1180	1361.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Karelse, J (Jaywin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms