Chess South Africa Ratings Database

PLAYER PAGE

Personal

Prins, J (Joshua)

Chess SA id

1100158532

FIDE id

Date of birth

2010-03-03 (U16)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-19

Personal details last changed

1900-01-01

Junior GPX Games

55.3

Junior GPX Points

1242

Item	Main	Standard	Rapid	Blitz
Rating	1389.1	1340.3	1303.7	1235.8
Raw rating	1389.1	1340.3	1303.7	1235.8
Weighted rating	1298.6	1273.9	1258.8	1219.6
Weighted performance	1327.2	1298.5	0	0
Floor	889.1	852.3	803.7	735.8
K-factor	36	36	36	36
Min/Max rating change allowed	126.7	135.8	143	157.6
Highest rating	1404.2 2023-08-01	1419.7 2023-08-01	1352.7 2024-02-01	1235.8 2025-04-01
Highest raw rating	1389.1 2025-09-01	1352.3 2025-06-01	1303.7 2025-08-01	1235.8 2025-04-01
Highest weighted rating	1361.2 2024-07-01	1352.3 2024-05-01	1243.2 2025-08-01	1213.1 2025-08-01
Highest weighted performance	1404.2 2023-08-01	1419.7 2023-08-01	1352.7 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	9.7	14.4	0	0
New rating	1398.8	1354.7	1303.7	1235.8
Analysis
Rating	1389.1	1340.3	1303.7	1235.8
Raw rating	1389.1	1340.3	1303.7	1235.8
Weighted rating	1298.6	1273.9	1258.8
Weighted performance	1327.2	1298.5	0
K-factor	36	36	36	36
Floor	889.1	852.3	803.7	735.8
Max/Min rating change allowed	126.7	135.8	143	157.6
Games	1	1	0	0
Score	1	1	0	0
Expected score	0.73	0.6	0	0
Score-Expected	0.27	0.4	0	0
Temp raw +/-	9.7	14.4	0	0
Final raw +/-	9.7	14.4	0	0
New raw rating	1398.8	1354.7	1303.7	1235.8
New weighted rating	1308.3	1281.1	1263.3	1221.5
New weighted performance	1319.2	1290.6	0	0
Temp new rating	1398.8	1354.7	1303.7	1235.8
Temp new rating +/-	9.7	14.4	0	0
Final new rating +/-	9.7	14.4	0	0
New rating	1398.8	1354.7	1303.7	1235.8
New K-factor	36	36	36	36
New floor	898.8	854.7	803.7	735.8

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	57	43	11	3
	60	47	13	0
	23	19	4	0
	0	0	0	0
	0	0	0	0
History	140	109	28	3

Games since
	Main 117	Standard 90		Rapid 24		Blitz 3
Gender	Male
Age group	U16
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	2312		286		98
Male	1875		238		81
U16	354		48		28
U16 Male	269		39		24
Standard
	RSA		Province		Region
Overall	2765		351		121
Male	2214		289		98
U16	449		54		31
U16 Male	340		44		27
Rapid
	RSA		Province		Region
Overall	1047		88		23
Male	854		73		20
U16	155		12		7
U16 Male	123		8		5
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	57	32	56.14	52.2	1321.1	1373.3
Standard	43	21.5	50	0	1339	1339
Rapid	11	8.5	77.27	231.8	1222.7	1454.5
Blitz	3	2	66.67	141.7	1425.2	1566.9
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	140	70	50	0	1294.1	1294.1
Standard	109	50.5	46.33	-31.2	1298.7	1267.5
Rapid	28	17.5	62.5	106.2	1262.1	1368.4
Blitz	3	2	66.67	141.7	1425.2	1566.9

Date	Main	Standard	Rapid	Blitz
2025-11-01	1389.1	1340.3	1303.7	1235.8
2025-09-30	1389.1	1340.3	1303.7	1235.8
2025-09-01	1389.1	1340.3	1303.7	1235.8
2025-08-01	1368.2	1312.5	1303.7	1235.8
2025-07-01	1361.2	1312.5	1283.7	1235.8
2025-06-01	1357.9	1352.3	1253.9	1235.8
2025-05-01	1298.7	1252.1	1253.9	1235.8
2025-04-01	1314.8	1269.6	1227.7	1235.8
2025-03-01	1255	1257.1	1227.1	1200
2025-02-01	1228.4	1231.1	1226.1	1200
2025-01-01	1181.5	1182.6	1219.1	1200
2024-12-01	1217.9	1219	1219.1	1200
2024-11-01	1184.5	1179	1219.1	1200
2024-10-01	1184.5	1179	1219.1	1200
2024-09-01	1181.4	1175.4	1219.1	1200
2024-08-01	1217.2	1220	1219.1	1200
2024-07-01	1240.6	1231.2	1268.4	1200
2024-09-01	1237.6	1225.8	1268.4	1200
2024-05-01	1261.5	1248.5	1268.4	1200
2024-04-01	1262.2	1252.5	1264.1	1200
2024-03-01	1285.8	1282.1	1264.1	1200
2024-02-01	1293	1321.7	1200	1200
2024-01-01	1293	1321.7	1200	1200
2023-12-01	1293	1321.7	1200	1200

Comming soon.

Tournaments

History

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	UCC Royal Cup 2025 (A)	2025-10-07	2025-11-05	Standard	Nelson Mandela Bay (ENM)	5	1	1	Yes	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	UCC Royal Cup 2025 (A)	2025-10-07	2025-11-05	Standard	Nelson Mandela Bay (ENM)	5	1	1	Yes	Analysis
2	UCC Championship 2025 (B)	2025-07-22	2025-08-19	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
3	Back to School Rapid 2025	2025-07-26	2025-07-26	Rapid	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
4	UCC Rapid May 2025	2025-05-27	2025-06-17	Rapid	Nelson Mandela Bay (ENM)	6	2	2	Yes	Analysis
5	NMBCU Closed 2025 (U16)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
6	NMBCU Open 2025 (B)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
7	NMBCU Trial 4 2025 (U16)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
8	UCC Presidential Cup 2025 (A)	2025-04-08	2025-05-06	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
9	NMB 3rd Trials 2025 (U16)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
10	UCC Rapid Mar/Apr 2025	2025-03-18	2025-04-01	Rapid	Nelson Mandela Bay (ENM)	6	4	3	Yes	Analysis
11	UCC Blitz March 2025	2025-03-04	2025-03-11	Blitz	Nelson Mandela Bay (ENM)	6	3	2	Yes	Analysis
12	NMB 2nd Trials 2025 (U16)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
13	Uitenhage Chess Club Protea Cup 2025 (A)	2025-01-28	2025-02-25	Standard	Nelson Mandela Bay (ENM)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	UCC Royal Cup 2025 (A)	2025-10-07	2025-11-05	Standard	Nelson Mandela Bay (ENM)	5	1	1	Yes	Analysis
2	UCC Championship 2025 (B)	2025-07-22	2025-08-19	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
3	Back to School Rapid 2025	2025-07-26	2025-07-26	Rapid	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
4	UCC Rapid May 2025	2025-05-27	2025-06-17	Rapid	Nelson Mandela Bay (ENM)	6	2	2	Yes	Analysis
5	NMBCU Closed 2025 (U16)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
6	NMBCU Open 2025 (B)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
7	NMBCU Trial 4 2025 (U16)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
8	UCC Presidential Cup 2025 (A)	2025-04-08	2025-05-06	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
9	NMB 3rd Trials 2025 (U16)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
10	UCC Rapid Mar/Apr 2025	2025-03-18	2025-04-01	Rapid	Nelson Mandela Bay (ENM)	6	4	3	Yes	Analysis
11	UCC Blitz March 2025	2025-03-04	2025-03-11	Blitz	Nelson Mandela Bay (ENM)	6	3	2	Yes	Analysis
12	NMB 2nd Trials 2025 (U16)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
13	Uitenhage Chess Club Protea Cup 2025 (A)	2025-01-28	2025-02-25	Standard	Nelson Mandela Bay (ENM)	5	4	2	Yes	Analysis
14	Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Premier)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	6	1.5	Yes	Analysis
15	UCC Club Champs 2024 (B)	2024-10-08	2024-11-05	Standard	Nelson Mandela Bay (ENM)	5	2	2	Yes	Analysis
16	NMBCU Closed 2024 (U16)	2024-09-20	2024-09-21	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
17	NMBCU Trial 5 2024 (U16)	2024-08-16	2024-08-17	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
18	UCC Royal Cup Classic July 2024 (A)	2024-07-09	2024-08-06	Standard	Nelson Mandela Bay (ENM)	5	2	0	Yes	Analysis
19	NMBCU Trials 4 2024 (U16)	2024-07-12	2024-07-13	Standard	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
20	Uitenhage Chess Club Rapid June 2024	2024-06-18	2024-07-02	Rapid	Nelson Mandela Bay (ENM)	6	2	0	Yes	Analysis
21	Uitenhage Chess Club Presidential Cup 2024 (A)	2024-04-30	2024-05-28	Standard	Nelson Mandela Bay (ENM)	5	2	1	Yes	Analysis
22	NMBCU Trial 3 2024 (U16)	2024-05-10	2024-05-11	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
23	UCC Rapid April 2024	2024-04-09	2024-04-23	Rapid	Nelson Mandela Bay (ENM)	6	2	1	Yes	Analysis
24	NMBCU Trials 2 2024 (U16)	2024-04-12	2024-04-13	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
25	UCC Blitz Tournamen March 2024	2024-03-26	2024-04-02	Rapid	Nelson Mandela Bay (ENM)	6	3	2	Yes	Analysis
26	UCC Protea Cup 2024 (A)	2024-02-20	2024-03-26	Standard	Nelson Mandela Bay (ENM)	5	2	0	Yes	Analysis
27	Uitenhage Chess Club Rapid January 2024	2024-01-30	2024-02-13	Rapid	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
28	NMBCU Trials 1 2024 (U16)	2024-02-16	2024-02-16	Standard	Nelson Mandela Bay (ENM)	6	5	1.5	Yes	Analysis
29	UCC Club Champs 2023 (B)	2023-10-17	2023-11-21	Standard	Nelson Mandela Bay (ENM)	5	4	3	Yes	Analysis
30	Uitenhage Chess Club RAPID III 2023	2023-08-29	2023-09-12	Rapid	Nelson Mandela Bay (ENM)	6	4	2	Yes	Analysis
31	Uitenhage Chess Club Grand Prix 2023 (B)	2023-08-25	2023-08-26	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
32	UCC Presidential Cup 2023 (B)	2023-07-18	2023-08-15	Standard	Nelson Mandela Bay (ENM)	5	4	4	Yes	Analysis
33	NMBCU Trial 4 2023 (U14)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament NMBCU Closed 2024				Tournament UCC Club Champs 2024
		date 2024-09-21	rnd 3	type Standard	result 0.5	date 2024-10-15	rnd 2	type Standard	result 1
		Opponent Banoobhai, T (Troy)				Opponent Hall, J (Joshua)
2	5	Tournament Back to School Rapid 2025				Tournament UCC Championship 2025
		date 2025-07-26	rnd 5	type Rapid	result 1	date 2025-08-19	rnd 5	type Standard	result 1
		Opponent Adams, J (Jessica)				Opponent Barry, T (Tyler)
3	5	Tournament NMBCU Open 2025				Tournament UCC Rapid May 2025
		date 2025-05-24	rnd 4	type Standard	result 1	date 2025-05-27	rnd 2	type Rapid	result 1
		Opponent Dzangairayi, P (Pleroma)				Opponent Leonidas, S (Shanique)

#	Games	Start				End
1	6	Tournament NMBCU Closed 2024				Tournament UCC Club Champs 2024
		date 2024-09-21	rnd 3	type Standard	result 0.5	date 2024-10-15	rnd 2	type Standard	result 1
		Opponent Banoobhai, T (Troy)				Opponent Hall, J (Joshua)
2	4	Tournament UCC Championship 2025				Tournament UCC Championship 2025
		date 2025-07-29	rnd 2	type Standard	result 0.5	date 2025-08-19	rnd 5	type Standard	result 1
		Opponent Barnard, C (Connor)				Opponent Barry, T (Tyler)
3	4	Tournament NMB 2nd Trials 2025				Tournament UCC Presidential Cup 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-04-08	rnd 1	type Standard	result 1
		Opponent Mpumelelo, Z (Zamisa)				Opponent Naidoo, M (Micah)

#	Games	Start				End
1	8	Tournament UCC Rapid Mar/Apr 2025				Tournament Back to School Rapid 2025
		date 2025-03-25	rnd 4	type Rapid	result 1	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Wilson, T (Tharell)				Opponent Prinsloo, S (Sean)
2	4	Tournament Uitenhage Chess Club RAPID III 2023				Tournament Uitenhage Chess Club Rapid January 2024
		date 2023-09-05	rnd 4	type Rapid	result 1	date 2024-02-06	rnd 3	type Rapid	result 1
		Opponent Verwey, M (Malan)				Opponent George, P (Panashe)
3	2	Tournament UCC Blitz Tournamen March 2024				Tournament UCC Rapid April 2024
		date 2024-04-02	rnd 6	type Rapid	result 1	date 2024-04-16	rnd 3	type Rapid	result 1
		Opponent Adams, J (Jessica)				Opponent Van Greunen, W (Willem)

#	Games	Start				End
1	2	Tournament UCC Blitz March 2025				Tournament UCC Blitz March 2025
		date 2025-03-04	rnd 2	type Blitz	result 1	date 2025-03-04	rnd 3	type Blitz	result 1
		Opponent Andrews, T (Timothy)				Opponent Bester, T (Thomas)

#	Games	Start				End
1	5	Tournament NMBCU Open 2025				Tournament UCC Rapid May 2025
		date 2025-05-24	rnd 4	type Standard	result 1	date 2025-05-27	rnd 2	type Rapid	result 1
		Opponent Dzangairayi, P (Pleroma)				Opponent Leonidas, S (Shanique)
2	4	Tournament UCC Rapid Mar/Apr 2025				Tournament UCC Presidential Cup 2025
		date 2025-03-25	rnd 4	type Rapid	result 1	date 2025-04-08	rnd 1	type Standard	result 1
		Opponent Wilson, T (Tharell)				Opponent Naidoo, M (Micah)
3	4	Tournament Uitenhage Chess Club RAPID III 2023				Tournament UCC Club Champs 2023
		date 2023-09-05	rnd 4	type Rapid	result 1	date 2023-11-07	rnd 4	type Standard	result 1
		Opponent Verwey, M (Malan)				Opponent Adams, J (Jessica)

#	Games	Start				End
1	4	Tournament UCC Presidential Cup 2023				Tournament Uitenhage Chess Club Grand Prix 2023
		date 2023-08-01	rnd 3	type Standard	result 1	date 2023-08-25	rnd 1	type Standard	result 1
		Opponent Wolmarans, A (Aiden)				Opponent Pyon, A (Adryan)
2	3	Tournament UCC Championship 2025				Tournament UCC Championship 2025
		date 2025-08-05	rnd 3	type Standard	result 1	date 2025-08-19	rnd 5	type Standard	result 1
		Opponent Ramasammy-Cook, J (Joshua)				Opponent Barry, T (Tyler)
3	3	Tournament NMBCU Open 2025				Tournament NMBCU Open 2025
		date 2025-05-24	rnd 4	type Standard	result 1	date 2025-05-24	rnd 6	type Standard	result 1
		Opponent Dzangairayi, P (Pleroma)				Opponent Botlhole, E (Erato)

#	Games	Start				End
1	5	Tournament UCC Rapid Mar/Apr 2025				Tournament UCC Rapid May 2025
		date 2025-03-25	rnd 4	type Rapid	result 1	date 2025-05-27	rnd 2	type Rapid	result 1
		Opponent Wilson, T (Tharell)				Opponent Leonidas, S (Shanique)
2	4	Tournament Uitenhage Chess Club RAPID III 2023				Tournament Uitenhage Chess Club Rapid January 2024
		date 2023-09-05	rnd 4	type Rapid	result 1	date 2024-02-06	rnd 3	type Rapid	result 1
		Opponent Verwey, M (Malan)				Opponent George, P (Panashe)
3	2	Tournament Back to School Rapid 2025				Tournament Back to School Rapid 2025
		date 2025-07-26	rnd 2	type Rapid	result 1	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Schoeman, D (Devan)				Opponent Prinsloo, S (Sean)

#	Games	Start				End
1	2	Tournament UCC Blitz March 2025				Tournament UCC Blitz March 2025
		date 2025-03-04	rnd 2	type Blitz	result 1	date 2025-03-04	rnd 3	type Blitz	result 1
		Opponent Andrews, T (Timothy)				Opponent Bester, T (Thomas)

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	Hall ,J (Joshua)	8	4	0	6	3	0	2	1	0	0	0	0
1	Hall ,J (Joshua)	8	1315.3	1315.3	6	1311.2	1315.3	2	1202.8	1315.3	0	0	0
2	Heneke ,R (Ruan)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
2	Heneke ,R (Ruan)	4	1328.7	1116.2	4	1321.2	1116.2	0	0	0	0	0	0
3	April ,E (Elethu)	4	4	425	4	4	425	0	0	0	0	0	0
3	April ,E (Elethu)	4	1072.6	1497.6	4	1070.2	1497.6	0	0	0	0	0	0
4	Barry ,T (Tyler)	4	2.5	106.2	2	2	425	2	0.5	-212.5	0	0	0
4	Barry ,T (Tyler)	4	1358.1	1464.3	2	1315.3	1783.1	2	1214.8	1145.6	0	0	0
5	Schler ,J (Jayden)	3	0	-425	3	0	-425	0	0	0	0	0	0
5	Schler ,J (Jayden)	3	1428.9	1003.9	3	1439.7	1003.9	0	0	0	0	0	0
6	Sonti ,K (Kamvalethu)	3	0	-425	3	0	-425	0	0	0	0	0	0
6	Sonti ,K (Kamvalethu)	3	1195.3	770.3	3	1190.9	770.3	0	0	0	0	0	0
7	Dugmore ,D (Deacon)	3	0	-425	3	0	-425	0	0	0	0	0	0
7	Dugmore ,D (Deacon)	3	1477.5	1052.5	3	1489.3	1052.5	0	0	0	0	0	0
8	Brown ,N (Nathan)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
8	Brown ,N (Nathan)	3	1413.7	1130.3	3	1422	1130.3	0	0	0	0	0	0
9	Wilson ,T (Tharell)	3	2.5	283.3	2	1.5	212.5	1	1	425	0	0	0
9	Wilson ,T (Tharell)	3	1154.8	1438.2	2	1174.7	1367.3	1	1129.7	1579.8	0	0	0
10	Visser ,J (Jordan)	3	3	425	2	2	425	1	1	425	0	0	0
10	Visser ,J (Jordan)	3	1191.4	1616.4	2	1192.4	1616.4	1	1196.8	1616.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Prins, J (Joshua)

Ratings

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Historical performance

Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms