Chess South Africa Ratings Database

PLAYER PAGE

Personal

Booysen, J (Joshua)

Chess SA id

1120190771

FIDE id

Date of birth

2012-08-09 (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

Junior GPX Points

1266.2

Item	Main	Standard	Rapid	Blitz
Rating	1329.8	1287.8	1285.7	1200
Raw rating	1329.8	1286.4	1285.7	1200
Weighted rating	1274.6	1230.7	1274.3	1200
Weighted performance	1308	1287.8	1128.1	0
Floor	833.1	786.4	785.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	137.8	146.6	146.8	165.8
Highest rating	1387.2 2023-10-01	1287.8 2025-09-30	1469.2 2023-10-01	1200 2018-10-01
Highest raw rating	1333.1 2025-09-01	1286.4 2025-09-30	1285.7 2025-03-01	1200 2024-02-01
Highest weighted rating	1274.6 2025-09-30	1265.9 2024-05-01	1271.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1387.2 2023-10-01	1287.8 2025-09-30	1469.2 2023-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0.5	0	0
New rating	1329.8	1287.3	1285.7	1200
Analysis
Rating	1329.8	1287.8	1285.7	1200
Raw rating	1329.8	1286.4	1285.7	1200
Weighted rating	1274.6	1230.7	1274.3
Weighted performance	1308	1287.8	1128.1
K-factor	36	36	36	36
Floor	833.1	786.4	785.7	700
Max/Min rating change allowed	137.8	146.6	146.8	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	1329.8	1286.4	1285.7	1200
New weighted rating	1280.6	1236.3	1275.7	1200
New weighted performance	1307.5	1287.3	1127.7	0
Temp new rating	1329.8	1287.3	1285.7	1200
Temp new rating +/-	0	-0.5	0	0
Final new rating +/-	0	-0.5	0	0
New rating	1329.8	1287.3	1285.7	1200
New K-factor	36	36	36	36
New floor	833.1	786.4	785.7	700

Item	Main	Standard	Rapid
	0	0	0
	32	20	12
	28	16	12
	5	0	5
	0	0	0
	0	0	0
History	65	36	29

Games since
	Main 65	Standard 36		Rapid 29		Blitz 0
Gender	Male
Age group	U14
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2887		930		72
Male	2305		693		48
U14	518		175		16
U14 Male	383		118		11
Standard
	RSA		Province		Region
Overall	3185		901		56
Male	2492		642		39
U14	604		176		14
U14 Male	437		107		9
Rapid
	RSA		Province		Region
Overall	1120		577		67
Male	914		456		47
U14	247		134		15
U14 Male	178		94		9
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	32	16.5	51.56	13.3	1358.1	1371.3
Standard	20	9.5	47.5	-21.2	1406.2	1384.9
Rapid	12	7	58.33	70.8	1277.9	1348.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	65	34.5	53.08	26.2	1288.7	1314.8
Standard	36	16.5	45.83	-35.4	1335.1	1299.7
Rapid	29	18	62.07	102.6	1231	1333.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1329.8	1286.4	1285.7	1200
2025-09-01	1333.1	1282.1	1285.7	1200
2025-08-01	1326.1	1265.9	1285.7	1200
2025-07-01	1326.1	1265.9	1285.7	1200
2025-06-01	1326.1	1265.9	1285.7	1200
2025-05-01	1327.5	1265.7	1285.7	1200
2025-04-01	1327.5	1265.7	1285.7	1200
2025-03-01	1259.8	1193	1285.7	1200
2025-02-01	1218.1	1193	1260.5	1200
2025-01-01	1216.9	1191.4	1260.5	1200
2024-12-01	1216.9	1191.4	1260.5	1200
2024-11-01	1216.9	1191.4	1260.5	1200
2024-10-01	1216.9	1191.4	1260.5	1200
2024-09-01	1216.9	1191.4	1260.5	1200
2024-08-01	1216.9	1191.4	1260.5	1200
2024-07-01	1196.6	1160.8	1260.5	1200
2024-06-01	1196.6	1160.8	1260.5	1200
2024-08-01	1243.5	1215.5	1260.5	1200
2024-04-01	1242	1215.5	1263.7	1200
2024-03-01	1233.9	1200	1263.7	1200
2024-02-01	1233.9	1200	1263.7	1200
2024-01-01	1225.4	1200	1255.8	1200
2023-12-01	1225.4	1200	1255.8	1200
2023-11-01	1225.4	1200	1255.8	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	5	1	Yes	Analysis
2	Overberg Top Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
4	Overberg Schools - PS Closed 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
5	Curro Hermanus Summer Open 2025 (U13)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	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	5	1	Yes	Analysis
2	Overberg Top Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
4	Overberg Schools - PS Closed 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
5	Curro Hermanus Summer Open 2025 (U13)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
7	Overberg Schools - Top Schools 2024 (U13 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
8	Western Cape PS Individuals Championship 2024 (U13 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	1	Yes	Analysis
9	Hermanus Chess Club Open 2024 (Development)	2024-04-20	2024-04-20	Rapid	Overberg (WOS)	7	7	4	Yes	Analysis
10	Overberg Schools - PS Closed 2024 (U13 Boys)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
11	Overberg Open Rapid 2024 (U13)	2024-01-27	2024-01-27	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
12	Kingsway Open 2023 (Beginners)	2023-10-28	2023-10-28	Rapid	Overberg (WOS)	5	5	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament Overberg Schools - PS Closed 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-03-16	rnd 3	type Standard	result 1	date 2024-04-20	rnd 1	type Rapid	result 1
		Opponent Pekeur, A (Andrew)				Opponent Truter, J (Jake)
2	3	Tournament Western Cape Schools Individual Championship 2025				Tournament Overberg Top Schools 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Bostander, J (Joswin)				Opponent Sebyboe, J (Jo-Heiden)
3	3	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools & Federation Open 2025
		date 2024-07-27	rnd 4	type Standard	result 1	date 2025-02-01	rnd 1	type Rapid	result 1
		Opponent Beyers, S (Skylar)				Opponent Van Den Berg, P (Petru)

#	Games	Start				End
1	4	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - PS Closed 2025
		date 2024-07-27	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Beyers, S (Skylar)				Opponent Henning, N (Nicolas)
2	3	Tournament Western Cape Schools Individual Championship 2025				Tournament Overberg Top Schools 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Bostander, J (Joswin)				Opponent Sebyboe, J (Jo-Heiden)
3	3	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 3	type Standard	result 1	date 2024-03-16	rnd 5	type Standard	result 1
		Opponent Pekeur, A (Andrew)				Opponent Horne, A (Armandt)

#	Games	Start				End
1	3	Tournament Kingsway Open 2023				Tournament Overberg Open Rapid 2024
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2024-01-27	rnd 1	type Rapid	result 1
		Opponent Sargeant, R (Rome)				Opponent Maskell, T (Tao)
2	2	Tournament Curro Hermanus Summer Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-08	rnd 4	type Rapid	result 1	date 2025-02-08	rnd 5	type Rapid	result 1
		Opponent Vanqa, L (Lelomso)				Opponent Van Tonder, A (Alexander)
3	2	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-01	rnd 6	type Rapid	result 1
		Opponent Kotze, M (Marlie)				Opponent Beyers, S (Skylar)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Overberg Schools - PS Closed 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-03-16	rnd 3	type Standard	result 1	date 2024-04-20	rnd 1	type Rapid	result 1
		Opponent Pekeur, A (Andrew)				Opponent Truter, J (Jake)
2	3	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools & Federation Open 2025
		date 2024-07-27	rnd 4	type Standard	result 1	date 2025-02-01	rnd 1	type Rapid	result 1
		Opponent Beyers, S (Skylar)				Opponent Van Den Berg, P (Petru)
3	3	Tournament Kingsway Open 2023				Tournament Overberg Open Rapid 2024
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2024-01-27	rnd 1	type Rapid	result 1
		Opponent Sargeant, R (Rome)				Opponent Maskell, T (Tao)

#	Games	Start				End
1	4	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - PS Closed 2025
		date 2024-07-27	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Beyers, S (Skylar)				Opponent Henning, N (Nicolas)
2	3	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 3	type Standard	result 1	date 2024-03-16	rnd 5	type Standard	result 1
		Opponent Pekeur, A (Andrew)				Opponent Horne, A (Armandt)
3	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Ellis, H (Hanru)				Opponent Franken, R (Roy)

#	Games	Start				End
1	3	Tournament Kingsway Open 2023				Tournament Overberg Open Rapid 2024
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2024-01-27	rnd 1	type Rapid	result 1
		Opponent Sargeant, R (Rome)				Opponent Maskell, T (Tao)
2	2	Tournament Curro Hermanus Summer Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-08	rnd 4	type Rapid	result 1	date 2025-02-08	rnd 5	type Rapid	result 1
		Opponent Vanqa, L (Lelomso)				Opponent Van Tonder, A (Alexander)
3	2	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-01	rnd 6	type Rapid	result 1
		Opponent Kotze, M (Marlie)				Opponent Beyers, S (Skylar)

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	Stevens ,DA (Danielle-Ann)	3	0	-425	0	0	0	3	0	-425	0	0	0
1	Stevens ,DA (Danielle-Ann)	3	1490.8	1065.8	0	0	0	3	1363.5	1065.8	0	0	0
2	Williams ,C (Cruden)	2	1	0	2	1	0	0	0	0	0	0	0
2	Williams ,C (Cruden)	2	1214.1	1214.1	2	1214	1214.1	0	0	0	0	0	0
3	Beyers ,R (Riekie)	2	2	425	2	2	425	0	0	0	0	0	0
3	Beyers ,R (Riekie)	2	1335.5	1760.5	2	1301.7	1760.5	0	0	0	0	0	0
4	Mong ,B (Bernardus Johannes)	2	1	0	2	1	0	0	0	0	0	0	0
4	Mong ,B (Bernardus Johannes)	2	1129.6	1129.6	2	1160.4	1129.6	0	0	0	0	0	0
5	Beyers ,S (Skylar)	2	2	425	1	1	425	1	1	425	0	0	0
5	Beyers ,S (Skylar)	2	1312.3	1737.3	1	1298	1737.3	1	1316	1737.3	0	0	0
6	Olivier ,D (Dian)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Olivier ,D (Dian)	2	1384.9	959.9	1	1355.6	959.9	1	1211.9	959.9	0	0	0
7	Vanqa ,L (Lelomso)	2	1	0	0	0	0	2	1	0	0	0	0
7	Vanqa ,L (Lelomso)	2	1179.9	1179.9	0	0	0	2	1206.9	1179.9	0	0	0
8	Olivier ,F (Francois)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Olivier ,F (Francois)	1	1341.8	916.8	1	1350.9	916.8	0	0	0	0	0	0
9	Nel ,J (Joshua)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nel ,J (Joshua)	1	1581.8	1156.8	1	1566.3	1156.8	0	0	0	0	0	0
10	Nkanunu ,L (Loyiso)	1	1	425	1	1	425	0	0	0	0	0	0
10	Nkanunu ,L (Loyiso)	1	1197.7	1622.7	1	1200	1622.7	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 (Joshua)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms