Chess South Africa Ratings Database

PLAYER PAGE

Personal

Claassen, J (Jaywin)

Chess SA id

1140139227

FIDE id

Date of birth

2014-03-24 (U12)

Gender

Male

Region

Central Karoo (WCK)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1362.7

Item	Main	Standard	Rapid	Blitz
Rating	1216.9	1226	1200	1200
Raw rating	1216.9	1226	1200	1200
Weighted rating	1185.5	1188.7	1200	1200
Weighted performance	1101.5	1100	0	0
Floor	716.9	726	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.9	159.8	165.8	165.8
Highest rating	1216.9 2025-06-01	1226 2025-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1216.9 2025-06-01	1226 2025-06-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1216.9 2018-10-01	1226 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1216.9	1226	1200	1200
Analysis
Rating	1216.9	1226	1200	1200
Raw rating	1216.9	1226	1200	1200
Weighted rating	1185.5	1188.7	1200
Weighted performance	1101.5	1100	0
K-factor	36	36	36	36
Floor	716.9	726	700	700
Max/Min rating change allowed	161.9	159.8	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	1216.9	1226	1200	1200
New weighted rating	1189.2	1193.2	1200	1200
New weighted performance	1094	1092.5	0	0
Temp new rating	1216.9	1226	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1216.9	1226	1200	1200
New K-factor	36	36	36	36
New floor	716.9	726	700	700

Item	Main	Standard
	0	0
	11	11
	5	5
	11	11
	10	10
	0	0
History	37	37

Games since
	Main 16	Standard 16		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Central Karoo (WCK)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	11	6	54.55	38.6	1285.7	1324.3
Standard	11	6	54.55	38.6	1285.7	1324.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	37	16	43.24	-57.4	1226.1	1168.6
Standard	37	16	43.24	-57.4	1226.1	1168.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1216.9	1226	1200	1200
2025-09-30	1216.9	1226	1200	1200
2025-09-01	1216.9	1226	1200	1200
2025-08-01	1216.9	1226	1200	1200
2025-07-01	1216.9	1226	1200	1200
2025-06-01	1216.9	1226	1200	1200
2025-05-01	1176.2	1180.5	1200	1200
2025-04-01	1176.2	1180.5	1200	1200
2025-03-01	1176.2	1180.5	1200	1200
2025-02-01	1158.2	1156	1200	1200
2025-01-01	1158.2	1156	1200	1200
2024-12-01	1158.2	1156	1200	1200
2024-11-01	1158.2	1156	1200	1200
2024-10-01	1158.2	1156	1200	1200
2024-09-01	1158.2	1156	1200	1200
2024-08-01	1158.2	1156	1200	1200
2024-07-01	1158.2	1156	1200	1200
2024-09-01	1158.2	1156	1200	1200
2024-05-01	1158.2	1156	1200	1200
2024-04-01	1138.3	1124.8	1200	1200
2024-03-01	1138.3	1124.8	1200	1200
2024-02-01	1138.3	1124.8	1200	1200
2024-01-01	1138.3	1124.8	1200	1200
2023-12-01	1138.3	1124.8	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	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	Central Karoo Schools Chess Trail 1 2025 (U11)	2025-02-22	2025-02-22	Standard	Central Karoo (WCK)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	Central Karoo Schools Chess Trail 1 2025 (U11)	2025-02-22	2025-02-22	Standard	Central Karoo (WCK)	5	5	3	Yes	Analysis
3	Central Karoo Schools Chess Trial 1 2024 (U11)	2024-03-02	2024-03-02	Standard	Central Karoo (WCK)	5	5	3	Yes	Analysis
4	Western Cape PS Individuals 2023 (U9 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
5	Central Karoo Schools Chess Trial 1 2023 (U11)	2023-02-04	2023-02-04	Standard	Eden (WEG)	5	5	4	Yes	Analysis
6	Central Karoo Ope 2022 (B)	2022-06-18	2022-06-18	Rapid	Central Karoo (WCK)	6	0	0	No	Analysis
7	Western Cape Schools 2022 (U9 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	0	Yes	Analysis
8	Central Karoo 2022 (U7+U9 Boys)	2022-03-19	2022-03-19	Standard	Central Karoo (WCK)	5	4	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament Central Karoo Schools Chess Trial 1 2023				Tournament Western Cape PS Individuals 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-05-05	rnd 1	type Standard	result 1
		Opponent Williams, A (Ashton)				Opponent Snyman, V (Van Zyl)
2	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Louw, B (Burger)				Opponent Muza, B (Benjamin)
3	2	Tournament Central Karoo Schools Chess Trail 1 2025				Tournament Central Karoo Schools Chess Trail 1 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Kloppers, H (Hyron)				Opponent Williams, A (Ashton)

#	Games	Start				End
1	4	Tournament Central Karoo Schools Chess Trial 1 2023				Tournament Western Cape PS Individuals 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-05-05	rnd 1	type Standard	result 1
		Opponent Williams, A (Ashton)				Opponent Snyman, V (Van Zyl)
2	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Louw, B (Burger)				Opponent Muza, B (Benjamin)
3	2	Tournament Central Karoo Schools Chess Trail 1 2025				Tournament Central Karoo Schools Chess Trail 1 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Kloppers, H (Hyron)				Opponent Williams, A (Ashton)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Central Karoo Schools Chess Trial 1 2023				Tournament Western Cape PS Individuals 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-05-05	rnd 1	type Standard	result 1
		Opponent Williams, A (Ashton)				Opponent Snyman, V (Van Zyl)
2	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Louw, B (Burger)				Opponent Muza, B (Benjamin)
3	2	Tournament Central Karoo Schools Chess Trail 1 2025				Tournament Central Karoo Schools Chess Trail 1 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Kloppers, H (Hyron)				Opponent Williams, A (Ashton)

#	Games	Start				End
1	4	Tournament Central Karoo Schools Chess Trial 1 2023				Tournament Western Cape PS Individuals 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-05-05	rnd 1	type Standard	result 1
		Opponent Williams, A (Ashton)				Opponent Snyman, V (Van Zyl)
2	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Louw, B (Burger)				Opponent Muza, B (Benjamin)
3	2	Tournament Central Karoo Schools Chess Trail 1 2025				Tournament Central Karoo Schools Chess Trail 1 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Kloppers, H (Hyron)				Opponent Williams, A (Ashton)

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	Claassen ,X (Xaviano)	2	1	0	2	1	0	0	0	0	0	0	0
1	Claassen ,X (Xaviano)	2	1149.9	1149.9	2	1168.8	1149.9	0	0	0	0	0	0
2	Carrolissen ,D (David)	2	1	0	2	1	0	0	0	0	0	0	0
2	Carrolissen ,D (David)	2	1173.4	1173.4	2	1162.6	1173.4	0	0	0	0	0	0
3	De Vlam ,L (Lee-Quin)	2	1	0	2	1	0	0	0	0	0	0	0
3	De Vlam ,L (Lee-Quin)	2	1146.7	1146.7	2	1165.2	1146.7	0	0	0	0	0	0
4	Botes ,L (Lorianto)	2	1	0	2	1	0	0	0	0	0	0	0
4	Botes ,L (Lorianto)	2	1147.7	1147.7	2	1202.1	1147.7	0	0	0	0	0	0
5	Williams ,A (Ashton)	2	2	425	2	2	425	0	0	0	0	0	0
5	Williams ,A (Ashton)	2	1170.6	1595.6	2	1164.4	1595.6	0	0	0	0	0	0
6	Snyman ,V (Van Zyl)	1	1	425	1	1	425	0	0	0	0	0	0
6	Snyman ,V (Van Zyl)	1	1253.4	1678.4	1	1251.6	1678.4	0	0	0	0	0	0
7	Fransen ,R (Rania)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Fransen ,R (Rania)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Jooste ,R (Raymondo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Jooste ,R (Raymondo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Ockhuis ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ockhuis ,C (Christiaan)	1	1161	736	1	1177.2	736	0	0	0	0	0	0
10	Thomson ,M (Matthew)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Thomson ,M (Matthew)	1	1312.6	887.6	1	1239.2	887.6	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

Claassen, J (Jaywin)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms