Chess South Africa Ratings Database

PLAYER PAGE

Personal

Brown, J (Joshua)

Chess SA id

1110156975

FIDE id

Date of birth

2011-04-11 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1290.6	1237.4	1340.5	1200
Raw rating	1290.6	1237.4	1340.5	1200
Weighted rating	1282.7	1236.2	1325.2	1200
Weighted performance	1086.3	0	1112.6	0
Floor	790.6	737.4	840.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	145.7	157.2	135.7	165.8
Highest rating	1322 2024-05-01	1370.9 2024-02-01	1355 2024-05-01	1200 2018-10-01
Highest raw rating	1290.6 2024-06-01	1237.4 2024-03-01	1340.5 2024-06-01	1200 2024-02-01
Highest weighted rating	1277.9 2025-08-01	1234.8 2025-08-01	1316.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1322 2024-05-01	1370.9 2024-02-01	1355 2024-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1290.6	1237.4	1340.5	1200
Analysis
Rating	1290.6	1237.4	1340.5	1200
Raw rating	1290.6	1237.4	1340.5	1200
Weighted rating	1282.7	1236.2	1325.2
Weighted performance	1086.3	0	1112.6
K-factor	36	36	36	36
Floor	790.6	737.4	840.5	700
Max/Min rating change allowed	145.7	157.2	135.7	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	1290.6	1237.4	1340.5	1200
New weighted rating	1284.8	1236.7	1328.9	1200
New weighted performance	1085.8	0	1112.1	0
Temp new rating	1290.6	1237.4	1340.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1290.6	1237.4	1340.5	1200
New K-factor	36	36	36	36
New floor	790.6	737.4	840.5	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	21	5	16
	37	0	37
	0	0	0
	0	0	0
History	58	5	53

Games since
	Main 27	Standard 5		Rapid 22		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	788		409		182
Male	654		335		159
U16	125		68		27
U16 Male	97		53		24
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	58	29	50	0	1262.6	1262.6
Standard	5	3.5	70	170	1194.7	1364.7
Rapid	53	25.5	48.11	-16	1269.1	1253
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1290.6	1237.4	1340.5	1200
2025-09-01	1290.6	1237.4	1340.5	1200
2025-08-01	1290.6	1237.4	1340.5	1200
2025-07-01	1290.6	1237.4	1340.5	1200
2025-06-01	1290.6	1237.4	1340.5	1200
2025-05-01	1290.6	1237.4	1340.5	1200
2025-04-01	1290.6	1237.4	1340.5	1200
2025-03-01	1290.6	1237.4	1340.5	1200
2025-02-01	1290.6	1237.4	1340.5	1200
2025-01-01	1290.6	1237.4	1340.5	1200
2024-12-01	1290.6	1237.4	1340.5	1200
2024-11-01	1290.6	1237.4	1340.5	1200
2024-10-01	1290.6	1237.4	1340.5	1200
2024-09-01	1290.6	1237.4	1340.5	1200
2024-08-01	1290.6	1237.4	1340.5	1200
2024-07-01	1290.6	1237.4	1340.5	1200
2024-06-01	1290.6	1237.4	1340.5	1200
2024-08-01	1208.4	1237.4	1169	1200
2024-04-01	1219.7	1237.4	1176.2	1200
2024-03-01	1219.7	1237.4	1176.2	1200
2024-02-01	1187.1	1200	1176.2	1200
2024-01-01	1187.1	1200	1176.2	1200
2023-12-01	1187.1	1200	1176.2	1200
2023-11-01	1214.5	1200	1230.2	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Junior League Finals 2024 (U13 Open B)	2024-05-18	2024-05-18	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
2	Cape Town Junior League - Qualifier 2 2024 (U13)	2024-04-20	2024-04-20	Rapid	Cape Town (WCT)	6	5	4.5	Yes	Analysis
3	Cape Town Junior League Qualifier 2024 (U13 Open)	2024-04-06	2024-04-06	Rapid	Cape Town (WCT)	6	5	1.5	Yes	Analysis
4	North District School Trials 2024 (U13 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
5	Kraaifontein Open 2023 (U14)	2023-12-09	2023-12-09	Rapid	Cape Town (WCT)	6	6	1	Yes	Analysis
6	Cape Town Junior Chess League Finals 2023 (U16A)	2023-09-16	2023-09-16	Rapid	Cape Town (WCT)	7	7	3.5	Yes	Analysis
7	Curro Durbanville Chess Open Rapid 2023 (U14)	2023-07-15	2023-07-15	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
8	Cape Town Junior Chess League - Round 1 2023 (U16B)	2023-07-22	2023-07-22	Rapid	Cape Town (WCT)	7	3	1	Yes	Analysis
9	GPCA Rapid 2023 (U14)	2023-06-24	2023-06-24	Rapid	Cape Town (WCT)	7	7	3	Yes	Analysis
10	Cape Town Junior League 2nd Qualifier 2023 (U16)	2023-06-03	2023-06-03	Rapid	Cape Town (WCT)	6	3	2	Yes	Analysis
11	Cape Town Junior Chess League Q1 2023	2023-05-13	2023-05-13	Rapid	Cape Town (WCT)	7	5	1.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-04-06	rnd 6	type Rapid	result 0.5	date 2024-05-18	rnd 1	type Rapid	result 1
		Opponent Manenzhe, O (Orinea)				Opponent Matthee, A (Alexa)
2	5	Tournament Cape Town Junior League 2nd Qualifier 2023				Tournament GPCA Rapid 2023
		date 2023-06-03	rnd 3	type Rapid	result 1	date 2023-06-24	rnd 3	type Rapid	result 0.5
		Opponent Sinyuko, A (Agcobile)				Opponent Linde, M (Morgan)
3	4	Tournament Cape Town Junior League Finals 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-05-18	rnd 3	type Rapid	result 1	date 2024-05-18	rnd 6	type Rapid	result 1
		Opponent Sonday, R (Rayyan)				Opponent Mkhwanazi, S (Siyabonga)

#	Games	Start				End
1	3	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent De Kock, T (Tertius)				Opponent Grobbelaar, R (Ruan)
2	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Gregson, E (Ethan)				Opponent Gregson, E (Ethan)

#	Games	Start				End
1	7	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-04-06	rnd 6	type Rapid	result 0.5	date 2024-05-18	rnd 1	type Rapid	result 1
		Opponent Manenzhe, O (Orinea)				Opponent Matthee, A (Alexa)
2	5	Tournament Cape Town Junior League 2nd Qualifier 2023				Tournament GPCA Rapid 2023
		date 2023-06-03	rnd 3	type Rapid	result 1	date 2023-06-24	rnd 3	type Rapid	result 0.5
		Opponent Sinyuko, A (Agcobile)				Opponent Linde, M (Morgan)
3	4	Tournament Cape Town Junior League Finals 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-05-18	rnd 3	type Rapid	result 1	date 2024-05-18	rnd 6	type Rapid	result 1
		Opponent Sonday, R (Rayyan)				Opponent Mkhwanazi, S (Siyabonga)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Cape Town Junior League Finals 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-05-18	rnd 3	type Rapid	result 1	date 2024-05-18	rnd 6	type Rapid	result 1
		Opponent Sonday, R (Rayyan)				Opponent Mkhwanazi, S (Siyabonga)
2	4	Tournament Cape Town Junior League - Qualifier 2 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-20	rnd 2	type Rapid	result 1	date 2024-04-20	rnd 5	type Rapid	result 1
		Opponent Kirthan, V (Venya)				Opponent Macilikishe, A (Anda)
3	4	Tournament Cape Town Junior League 2nd Qualifier 2023				Tournament GPCA Rapid 2023
		date 2023-06-03	rnd 3	type Rapid	result 1	date 2023-06-24	rnd 2	type Rapid	result 1
		Opponent Sinyuko, A (Agcobile)				Opponent Small, Q (Quade)

#	Games	Start				End
1	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Grobbelaar, R (Ruan)				Opponent Grobbelaar, R (Ruan)
2	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent De Kock, T (Tertius)				Opponent De Kock, T (Tertius)
3	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Gregson, E (Ethan)				Opponent Gregson, E (Ethan)

#	Games	Start				End
1	4	Tournament Cape Town Junior League Finals 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-05-18	rnd 3	type Rapid	result 1	date 2024-05-18	rnd 6	type Rapid	result 1
		Opponent Sonday, R (Rayyan)				Opponent Mkhwanazi, S (Siyabonga)
2	4	Tournament Cape Town Junior League - Qualifier 2 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-20	rnd 2	type Rapid	result 1	date 2024-04-20	rnd 5	type Rapid	result 1
		Opponent Kirthan, V (Venya)				Opponent Macilikishe, A (Anda)
3	4	Tournament Cape Town Junior League 2nd Qualifier 2023				Tournament GPCA Rapid 2023
		date 2023-06-03	rnd 3	type Rapid	result 1	date 2023-06-24	rnd 2	type Rapid	result 1
		Opponent Sinyuko, A (Agcobile)				Opponent Small, Q (Quade)

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	Mupereki ,L (Leeroy)	2	1	0	0	0	0	2	1	0	0	0	0
1	Mupereki ,L (Leeroy)	2	1225.2	1225.2	0	0	0	2	1298.6	1225.2	0	0	0
2	Ruiters ,C (Cade)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Ruiters ,C (Cade)	2	1321.2	896.2	0	0	0	2	1271.7	896.2	0	0	0
3	Joubert ,E (Ethan)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Joubert ,E (Ethan)	2	1263.4	838.4	0	0	0	2	1305.8	838.4	0	0	0
4	Burger ,G (Gustav)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Burger ,G (Gustav)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
5	Grobbelaar ,R (Ruan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Grobbelaar ,R (Ruan)	1	1173.5	1598.5	1	1200	1598.5	0	0	0	0	0	0
6	Gregson ,E (Ethan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Gregson ,E (Ethan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Macilikishe ,A (Anda)	1	1	425	0	0	0	1	1	425	0	0	0
7	Macilikishe ,A (Anda)	1	1110.5	1535.5	0	0	0	1	1135.6	1535.5	0	0	0
8	Hagen ,S (Sophia)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Hagen ,S (Sophia)	1	1466	1041	0	0	0	1	1466.2	1041	0	0	0
9	Zheng ,Y (Yi)	1	1	425	0	0	0	1	1	425	0	0	0
9	Zheng ,Y (Yi)	1	1306.8	1731.8	0	0	0	1	1342.2	1731.8	0	0	0
10	Tomi ,A (Amange)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Tomi ,A (Amange)	1	1156.9	731.9	0	0	0	1	1242.3	731.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Brown, 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