Chess South Africa Ratings Database

PLAYER PAGE

Personal

Booysen, J (Joseph)

Chess SA id

1130190770

FIDE id

Date of birth

2013-12-15 (U14)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

13.5

Junior GPX Points

1087.6

Item	Main	Standard	Rapid	Blitz
Rating	1224.4	1221.9	1212.9	1200
Raw rating	1222.4	1221.9	1212.9	1200
Weighted rating	1224.4	1220.3	1211.1	1200
Weighted performance	1109.8	0	1026.4	0
Floor	740.7	744.2	754	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.6	160.7	162.8	165.8
Highest rating	1444.6 2023-10-01	1386.7 2024-07-01	1532.8 2023-10-01	1200 2018-10-01
Highest raw rating	1240.7 2025-09-01	1244.2 2025-09-01	1254 2023-11-01	1200 2024-02-01
Highest weighted rating	1224.4 2025-09-30	1220.3 2025-09-30	1254 2024-04-01	1200 2018-10-01
Highest weighted performance	1444.6 2023-10-01	1386.7 2024-07-01	1532.8 2023-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.2	0	0	0
New rating	1224.6	1221.9	1212.9	1200
Analysis
Rating	1224.4	1221.9	1212.9	1200
Raw rating	1222.4	1221.9	1212.9	1200
Weighted rating	1224.4	1220.3	1211.1
Weighted performance	1109.8	0	1026.4
K-factor	36	36	36	36
Floor	740.7	744.2	754	700
Max/Min rating change allowed	160.6	160.7	162.8	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	1222.4	1221.9	1212.9	1200
New weighted rating	1224.6	1221.2	1210.9	1200
New weighted performance	1109.4	0	1026	0
Temp new rating	1224.6	1221.9	1212.9	1200
Temp new rating +/-	0.2	0	0	0
Final new rating +/-	0.2	0	0	0
New rating	1224.6	1221.9	1212.9	1200
New K-factor	36	36	36	36
New floor	740.7	744.2	754	700

Item	Main	Standard	Rapid
	0	0	0
	19	8	11
	21	9	12
	4	0	4
	0	0	0
	0	0	0
History	44	17	27

Games since
	Main 44	Standard 17		Rapid 27		Blitz 0
Gender	Male
Age group	U14
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3841		1273		115
Male	2913		897		73
U14	730		248		23
U14 Male	516		157		13
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1557		784		109
Male	1212		590		70
U14	340		185		24
U14 Male	236		124		14
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	19	8	42.11	-67.1	1275.4	1208.3
Standard	8	3	37.5	-106.2	1341.7	1235.4
Rapid	11	5	45.45	-38.6	1227.2	1188.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	44	22	50	0	1233.5	1233.5
Standard	17	8.5	50	0	1249.5	1249.5
Rapid	27	13.5	50	0	1223.4	1223.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1222.4	1221.9	1212.9	1200
2025-09-01	1240.7	1244.2	1212.9	1200
2025-08-01	1227.9	1228.9	1212.9	1200
2025-07-01	1227.9	1228.9	1212.9	1200
2025-06-01	1227.9	1228.9	1212.9	1200
2025-05-01	1227.9	1228.9	1212.9	1200
2025-04-01	1227.9	1228.9	1212.9	1200
2025-03-01	1220.2	1228	1211.7	1200
2025-02-01	1233.9	1228	1212.6	1200
2025-01-01	1233.9	1228	1202.6	1200
2024-12-01	1233.9	1228	1202.6	1200
2024-11-01	1233.9	1228	1202.6	1200
2024-10-01	1233.9	1228	1202.6	1200
2024-09-01	1233.9	1228	1202.6	1200
2024-08-01	1233.9	1228	1202.6	1200
2024-07-01	1175.9	1154.6	1202.6	1200
2024-06-01	1175.9	1154.6	1202.6	1200
2024-08-01	1175.9	1154.6	1202.6	1200
2024-04-01	1180	1154.6	1231	1200
2024-03-01	1219.4	1200	1231	1200
2024-02-01	1219.4	1200	1231	1200
2024-01-01	1224.5	1200	1254	1200
2023-12-01	1224.5	1200	1254	1200
2023-11-01	1224.5	1200	1254	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 - Top Schools 2025 (U13)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	2	0	Yes	Analysis
2	Overberg Top Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	1	1	Yes	Analysis
3	Overberg Schools - PS Closed 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
4	Curro Hermanus Summer Open 2025 (U13)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	5	2	Yes	Analysis
5	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U13)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	2	0	Yes	Analysis
2	Overberg Top Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	1	1	Yes	Analysis
3	Overberg Schools - PS Closed 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
4	Curro Hermanus Summer Open 2025 (U13)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	5	2	Yes	Analysis
5	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
6	Overberg Schools - Top Schools 2024 (U13 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	4	4	Yes	Analysis
7	Hermanus Chess Club Open 2024 (Development)	2024-04-20	2024-04-20	Rapid	Overberg (WOS)	7	7	3	Yes	Analysis
8	Overberg Schools - PS Closed 2024 (U11 Boys)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	1.5	Yes	Analysis
9	Overberg Open Rapid 2024 (U11)	2024-01-27	2024-01-27	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
10	Kingsway Open 2023 (Beginners)	2023-10-28	2023-10-28	Rapid	Overberg (WOS)	5	4	3.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools & Federation Open 2025
		date 2024-07-27	rnd 2	type Standard	result 1	date 2025-02-01	rnd 1	type Rapid	result 1
		Opponent Adshade, L (Lea-Linize)				Opponent Williams, C (Cruden)
2	4	Tournament Kingsway Open 2023				Tournament Kingsway Open 2023
		date 2023-10-28	rnd 2	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Viljoen, W (Wian)				Opponent Rock, M (Mieke)
3	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Manewill, R (Roberto)				Opponent Besuidenhout, K (Kendall)

#	Games	Start				End
1	4	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 2	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Adshade, L (Lea-Linize)				Opponent Erasmus, L (Lerushka)
2	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Manewill, R (Roberto)				Opponent Besuidenhout, K (Kendall)
3	2	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 2	type Standard	result 1	date 2024-03-16	rnd 3	type Standard	result 0.5
		Opponent Julies, L (Luke)				Opponent Muller, A (Andreas)

#	Games	Start				End
1	4	Tournament Kingsway Open 2023				Tournament Kingsway Open 2023
		date 2023-10-28	rnd 2	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Viljoen, W (Wian)				Opponent Rock, M (Mieke)
2	2	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 4	type Rapid	result 1	date 2025-02-01	rnd 5	type Rapid	result 1
		Opponent Rudman, A (Alana)				Opponent Moses, J (Jivano)
3	2	Tournament Overberg Open Rapid 2024				Tournament Overberg Open Rapid 2024
		date 2024-01-27	rnd 2	type Rapid	result 1	date 2024-01-27	rnd 3	type Rapid	result 1
		Opponent De Wet, J (James)				Opponent Coetzer, H (Hanro)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools & Federation Open 2025
		date 2024-07-27	rnd 2	type Standard	result 1	date 2025-02-01	rnd 1	type Rapid	result 1
		Opponent Adshade, L (Lea-Linize)				Opponent Williams, C (Cruden)
2	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Manewill, R (Roberto)				Opponent Besuidenhout, K (Kendall)
3	2	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 4	type Rapid	result 1	date 2025-02-01	rnd 5	type Rapid	result 1
		Opponent Rudman, A (Alana)				Opponent Moses, J (Jivano)

#	Games	Start				End
1	4	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 2	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Adshade, L (Lea-Linize)				Opponent Erasmus, L (Lerushka)
2	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Manewill, R (Roberto)				Opponent Besuidenhout, K (Kendall)
3	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 1
		Opponent Vermaak, Z (Zander)				Opponent Vermaak, Z (Zander)

#	Games	Start				End
1	2	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 4	type Rapid	result 1	date 2025-02-01	rnd 5	type Rapid	result 1
		Opponent Rudman, A (Alana)				Opponent Moses, J (Jivano)
2	2	Tournament Overberg Open Rapid 2024				Tournament Overberg Open Rapid 2024
		date 2024-01-27	rnd 2	type Rapid	result 1	date 2024-01-27	rnd 3	type Rapid	result 1
		Opponent De Wet, J (James)				Opponent Coetzer, H (Hanro)
3	2	Tournament Kingsway Open 2023				Tournament Kingsway Open 2023
		date 2023-10-28	rnd 2	type Rapid	result 1	date 2023-10-28	rnd 3	type Rapid	result 1
		Opponent Viljoen, W (Wian)				Opponent Booysen, J (Joshua)

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	Uys ,E (Eli)	2	1	0	1	1	425	1	0	-425	0	0	0
1	Uys ,E (Eli)	2	1274.9	1274.9	1	1273.7	1699.9	1	1258.4	849.9	0	0	0
2	Barnard ,C (Charel)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Barnard ,C (Charel)	2	1334.8	909.8	1	1349.6	909.8	1	1282.4	909.8	0	0	0
3	Knapp ,L (Liam)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Knapp ,L (Liam)	2	1351.9	926.9	1	1317.9	926.9	1	1317.2	926.9	0	0	0
4	Rock ,M (Mieke)	2	1	0	0	0	0	2	1	0	0	0	0
4	Rock ,M (Mieke)	2	1168.6	1168.6	0	0	0	2	1192.2	1168.6	0	0	0
5	Muller ,A (Andreas)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Muller ,A (Andreas)	1	1190.7	1190.7	1	1160	1190.7	0	0	0	0	0	0
6	Julies ,L (Luke)	1	1	425	1	1	425	0	0	0	0	0	0
6	Julies ,L (Luke)	1	1158.5	1583.5	1	1178.4	1583.5	0	0	0	0	0	0
7	Manewill ,R (Roberto)	1	1	425	1	1	425	0	0	0	0	0	0
7	Manewill ,R (Roberto)	1	1199	1624	1	1200	1624	0	0	0	0	0	0
8	Vermaak ,Z (Zander)	1	1	425	1	1	425	0	0	0	0	0	0
8	Vermaak ,Z (Zander)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Vlok ,A (Adiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Vlok ,A (Adiaan)	1	1591	1166	1	1611.5	1166	0	0	0	0	0	0
10	Fortuin ,E (Eron)	1	1	425	1	1	425	0	0	0	0	0	0
10	Fortuin ,E (Eron)	1	1154.3	1579.3	1	1156.4	1579.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Booysen, J (Joseph)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms