Chess South Africa Ratings Database

PLAYER PAGE

Personal

Booysen, J (Joshua)

Chess SA id

1180314623

FIDE id

Date of birth

2018-09-18 (U8)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

43.3

Junior GPX Points

1216.8

Item	Main	Standard	Rapid	Blitz
Rating	1237.1	1272.3	1199.3	1200
Raw rating	1237.1	1272.3	1199.3	1200
Weighted rating	1222.5	1239.3	1199.3	1200
Weighted performance	1137.3	1206.9	0	0
Floor	779.9	786.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.3	149.6	166	165.8
Highest rating	1279.9 2025-05-05	1286.6 2025-05-05	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1279.9 2025-05-05	1286.6 2025-05-05	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1216.3 2025-08-01	1226.3 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest weighted performance	1279.9 2025-05-05	1286.6 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1237.1	1272.3	1199.3	1200
Analysis
Rating	1237.1	1272.3	1199.3	1200
Raw rating	1237.1	1272.3	1199.3	1200
Weighted rating	1222.5	1239.3	1199.3
Weighted performance	1137.3	1206.9	0
K-factor	36	36	36	36
Floor	779.9	786.6	700	700
Max/Min rating change allowed	157.3	149.6	166	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	1237.1	1272.3	1199.3	1200
New weighted rating	1224.4	1243.2	1199.3	1200
New weighted performance	1130.4	1199.5	0	0
Temp new rating	1237.1	1272.3	1199.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1237.1	1272.3	1199.3	1200
New K-factor	36	36	36	36
New floor	779.9	786.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	48	41	7
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	48	41	7

Games since
	Main 48	Standard 41		Rapid 7		Blitz 0
Gender	Male
Age group	U8
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3830		1265		349
Male	2905		911		241
U8	66		31		16
U8 Male	40		18		9
Standard
	RSA		Province		Region
Overall	3438		977		329
Male	2659		699		226
U8	50		22		18
U8 Male	33		14		12
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 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	48	23.5	48.96	-8.9	1245.6	1236.8
Standard	41	22.5	54.88	41.5	1230.2	1271.7
Rapid	7	1	14.29	-303.6	1336	1032.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	48	23.5	48.96	-8.9	1245.6	1236.8
Standard	41	22.5	54.88	41.5	1230.2	1271.7
Rapid	7	1	14.29	-303.6	1336	1032.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1237.1	1272.3	1199.3	1200
2025-09-30	1237.1	1272.3	1199.3	1200
2025-09-01	1237.1	1272.3	1199.3	1200
2025-08-01	1237.1	1272.3	1199.3	1200
2025-07-01	1214.3	1251.4	1198.9	1200
2025-06-01	1214.3	1251.4	1193.1	1200
2025-05-01	1279.9	1286.6	1200	1200
2025-04-01	1265.8	1279.7	1200	1200
2025-03-01	1219.4	1223.3	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	George Top Schools 2025 (U7)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U7 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
3	Southern Knights Rapid 2025 (C)	2025-05-03	2025-05-03	Rapid	Eden (WEG)	7	7	1	Yes	Analysis
4	Eden Chess Trials 2 2025 (U8)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	5	Yes	Analysis
5	Eden Schools Chess Trials 1 2025 (U7 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
6	George Schools Chess Trials 3 2025 (U7 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
7	George Schools Chess Trials 2 2025 (U7 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
8	George Schools Chess Trials 1 2025 (U7 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	George Top Schools 2025 (U7)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U7 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
3	Southern Knights Rapid 2025 (C)	2025-05-03	2025-05-03	Rapid	Eden (WEG)	7	7	1	Yes	Analysis
4	Eden Chess Trials 2 2025 (U8)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	5	Yes	Analysis
5	Eden Schools Chess Trials 1 2025 (U7 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
6	George Schools Chess Trials 3 2025 (U7 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
7	George Schools Chess Trials 2 2025 (U7 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
8	George Schools Chess Trials 1 2025 (U7 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament George Schools Chess Trials 1 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-01	rnd 1	type Standard	result 0.5	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Nel, S (Stian)				Opponent Oosthuizen, N (Nico)
2	4	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 4	type Standard	result 0.5	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Le Roux, F (Franco)				Opponent Mpetsheni, C (Ceaton)
3	2	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Oosthuizen, N (Nico)				Opponent Du Plessis, J (Johan)

#	Games	Start				End
1	7	Tournament George Schools Chess Trials 1 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-01	rnd 1	type Standard	result 0.5	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Nel, S (Stian)				Opponent Oosthuizen, N (Nico)
2	4	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 4	type Standard	result 0.5	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Le Roux, F (Franco)				Opponent Mpetsheni, C (Ceaton)
3	2	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Oosthuizen, N (Nico)				Opponent Du Plessis, J (Johan)

#	Games	Start				End
1	1	Tournament Southern Knights Rapid 2025				Tournament Southern Knights Rapid 2025
		date 2025-05-03	rnd 4	type Rapid	result 1	date 2025-05-03	rnd 4	type Rapid	result 1
		Opponent Booysen, S (Skyler)				Opponent Booysen, S (Skyler)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Jacobs, A (Ajay)				Opponent Mpetsheni, C (Ceaton)
2	2	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Oosthuizen, N (Nico)				Opponent Du Plessis, J (Johan)
3	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 7	type Standard	result 1	date 2025-04-12	rnd 8	type Standard	result 1
		Opponent Kock, R (Reese)				Opponent Appiah Baden, E (Emily Joy)

#	Games	Start				End
1	3	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Jacobs, A (Ajay)				Opponent Mpetsheni, C (Ceaton)
2	2	Tournament George Top Schools 2025				Tournament George Top Schools 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Oosthuizen, N (Nico)				Opponent Du Plessis, J (Johan)
3	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 7	type Standard	result 1	date 2025-04-12	rnd 8	type Standard	result 1
		Opponent Kock, R (Reese)				Opponent Appiah Baden, E (Emily Joy)

#	Games	Start				End
1	1	Tournament Southern Knights Rapid 2025				Tournament Southern Knights Rapid 2025
		date 2025-05-03	rnd 4	type Rapid	result 1	date 2025-05-03	rnd 4	type Rapid	result 1
		Opponent Booysen, S (Skyler)				Opponent Booysen, S (Skyler)

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	Oosthuizen ,N (Nico)	3	3	425	3	3	425	0	0	0	0	0	0
1	Oosthuizen ,N (Nico)	3	1198.1	1623.1	3	1197.7	1623.1	0	0	0	0	0	0
2	Kleynhans ,K (Kyler)	2	2	425	2	2	425	0	0	0	0	0	0
2	Kleynhans ,K (Kyler)	2	1284.6	1709.6	2	1302.2	1709.6	0	0	0	0	0	0
3	Le Roux ,F (Franco)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
3	Le Roux ,F (Franco)	2	1202.2	1414.7	2	1202.8	1414.7	0	0	0	0	0	0
4	Jubber ,L (Luan)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Jubber ,L (Luan)	2	1305.7	880.7	2	1313.8	880.7	0	0	0	0	0	0
5	Carolus Mazengai ,I (Ilai)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Carolus Mazengai ,I (Ilai)	2	1209	1421.5	2	1212.1	1421.5	0	0	0	0	0	0
6	Jacobs ,A (Ajay)	1	1	425	1	1	425	0	0	0	0	0	0
6	Jacobs ,A (Ajay)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Gina ,N (Nkosenhle)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Gina ,N (Nkosenhle)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
8	Lindt ,K (Ketalina)	1	1	425	1	1	425	0	0	0	0	0	0
8	Lindt ,K (Ketalina)	1	1194.4	1619.4	1	1193.3	1619.4	0	0	0	0	0	0
9	Olivier ,D (Dirk)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Olivier ,D (Dirk)	1	1199.2	774.2	1	1199.1	774.2	0	0	0	0	0	0
10	Joseph ,E (Elliah)	1	1	425	1	1	425	0	0	0	0	0	0
10	Joseph ,E (Elliah)	1	1048.2	1473.2	1	1115.5	1473.2	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

Booysen, J (Joshua)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms