Chess South Africa Ratings Database

PLAYER PAGE

Personal

Brown, JR (John-Rodney)

Chess SA id

188003737

FIDE id

Date of birth

1988-12-11 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1366.7	1359.1	1444.7	1449
Raw rating	1364.8	1359.1	1444.7	1449
Weighted rating	1363.9	1347	1434.5	1448.8
Weighted performance	1366.7	1293.6	0	0
Floor	897.6	897.6	944.7	949
K-factor	36	36	32	32
Min/Max rating change allowed	131.1	132.2	117	116.3
Highest rating	1397.6 2018-02-01	1397.6 2018-02-01	1444.7 2024-11-01	1449 2024-02-01
Highest raw rating	1397.6 2018-02-01	1397.6 2018-02-01	1444.7 2024-11-01	1449 2024-02-01
Highest weighted rating	1397.6 2018-02-01	1397.6 2018-02-01	1428.4 2025-08-01	1447.3 2025-08-01
Highest weighted performance	1366.7 2025-11-01	1297.2 2019-09-01	1419.4 2019-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.9	0	0	0
New rating	1364.8	1359.1	1444.7	1449
Analysis
Rating	1366.7	1359.1	1444.7	1449
Raw rating	1364.8	1359.1	1444.7	1449
Weighted rating	1363.9	1347	1434.5
Weighted performance	1366.7	1293.6	0
K-factor	36	36	32	32
Floor	897.6	897.6	944.7	949
Max/Min rating change allowed	131.1	132.2	117	116.3
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	1364.8	1359.1	1444.7	1449
New weighted rating	1364.1	1348.2	1436.2	1449
New weighted performance	1358.4	1285.4	0	0
Temp new rating	1364.8	1359.1	1444.7	1449
Temp new rating +/-	-1.9	0	0	0
Final new rating +/-	-1.9	0	0	0
New rating	1364.8	1359.1	1444.7	1449
New K-factor	36	36	32	32
New floor	897.6	897.6	944.7	949

Item	Main	Standard	Rapid
	0	0	0
	27	27	0
	15	9	6
	0	0	0
	5	5	0
	0	0	0
History	140	125	15

Games since
	Main 42	Standard 36		Rapid 6		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2535		800		354
Male	2042		617		284
Adult	556		176		111
Adult Male	509		159		99
Standard
	RSA		Province		Region
Overall	2549		723		327
Male	2046		548		259
Adult	512		129		95
Adult Male	467		115		85
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	27	12	44.44	-47.2	1446.5	1399.3
Standard	27	12	44.44	-47.2	1446.5	1399.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	79	36	45.57	-37.7	1389.6	1352
Standard	64	25.5	39.84	-86.3	1395.5	1309.2
Rapid	15	10.5	70	170	1364.4	1534.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1364.8	1359.1	1444.7	1449
2025-09-30	1383.4	1370.7	1444.7	1449
2025-09-01	1383.4	1370.7	1444.7	1449
2025-08-01	1383.4	1370.7	1444.7	1449
2025-07-01	1383.4	1370.7	1444.7	1449
2025-06-01	1383.4	1370.7	1444.7	1449
2025-05-01	1383.4	1370.7	1444.7	1449
2025-04-01	1383.4	1370.7	1444.7	1449
2025-03-01	1363	1346.6	1444.7	1449
2025-02-01	1348	1325.5	1444.7	1449
2025-01-01	1312.6	1269.2	1444.7	1449
2024-12-01	1312.6	1269.2	1444.7	1449
2024-11-01	1312.6	1269.2	1444.7	1449
2024-10-01	1280.5	1269.2	1398.2	1449
2024-09-01	1371.8	1358.5	1398.2	1449
2024-08-01	1371.8	1358.5	1398.2	1449
2024-07-01	1371.8	1358.5	1398.2	1449
2024-09-01	1371.8	1358.5	1398.2	1449
2024-05-01	1371.8	1358.5	1398.2	1449
2024-04-01	1371.8	1358.5	1398.2	1449
2024-03-01	1371.8	1358.5	1398.2	1449
2024-02-01	1371.8	1358.5	1398.2	1449
2024-01-01	1371.8	1358.5	1398.2	1449
2023-12-01	1371.8	1357	1398.2	1397.6

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	Cape Town Chess Federation Club League 2025 (D)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	10	4.5	Yes	Analysis
2	UCT Open Chess Championship 2025 (Advanced)	2025-10-10	2025-10-12	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	Western Cape Closed 2025 (B)	2025-03-08	2025-03-09	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
4	Cape of Good Hope Open 2025 (Advanced)	2025-02-22	2025-02-23	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (D)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	10	4.5	Yes	Analysis
2	UCT Open Chess Championship 2025 (Advanced)	2025-10-10	2025-10-12	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	Western Cape Closed 2025 (B)	2025-03-08	2025-03-09	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
4	Cape of Good Hope Open 2025 (Advanced)	2025-02-22	2025-02-23	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
5	Spring Slam 2024 (B)	2024-10-05	2024-10-05	Rapid	Cape Town (WCT)	6	6	5.5	Yes	Analysis
6	CT League 2024 (B)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	2	0	Yes	Analysis
7	CT League 2024 (B)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	7	1	Yes	Analysis
8	2022 Western Province Club League (Premier)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	5	1.5	Yes	Analysis
9	2019 National Club Chess Championships (B)	2019-09-27	2019-09-29	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
10	2019 Western Province League (B)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	1	0.5	Yes	Analysis
11	2019 Western Province League (D)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	6	4	Yes	Analysis
12	Condorgreen Mitchell`s Plain Chess Open Tournament 2019	2019-06-01	2019-06-02	Rapid	Cape Town (WCT)	9	9	5	Yes	Analysis
13	2018 Western Province League (B)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	4	1	Yes	Analysis
14	2018 Western Province Open (B)	2018-03-02	2018-03-04	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament Spring Slam 2024				Tournament Spring Slam 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 6	type Rapid	result 0.5
		Opponent Petersen, C (Cole)				Opponent King, V (Vicario)
2	4	Tournament Western Cape Closed 2025				Tournament Cape Town Chess Federation Club League 2025
		date 2025-03-09	rnd 6	type Standard	result 0.5	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Maruma, KB (Kamogelo)				Opponent Walters, WDP (Wouter Dirk Pretorius)
3	4	Tournament 2019 Western Province League				Tournament 2019 National Club Chess Championships
		date 2019-08-10	rnd 6	type Standard	result 1	date 2019-09-27	rnd 1	type Standard	result 1
		Opponent Le Roux, M (Murray)				Opponent Lewaks, C (Clint)

#	Games	Start				End
1	4	Tournament 2019 Western Province League				Tournament 2019 National Club Chess Championships
		date 2019-08-10	rnd 6	type Standard	result 1	date 2019-09-27	rnd 1	type Standard	result 1
		Opponent Le Roux, M (Murray)				Opponent Lewaks, C (Clint)
2	2	Tournament Western Cape Closed 2025				Tournament Western Cape Closed 2025
		date 2025-03-08	rnd 3	type Standard	result 0.5	date 2025-03-09	rnd 4	type Standard	result 1
		Opponent Temmers, I (Isabella)				Opponent Ziegers, Z (Zaskia)
3	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-07-27	rnd 1	type Standard	result 0.5	date 2019-08-03	rnd 3	type Standard	result 1
		Opponent Thompson, T (Themba)				Opponent Thabet, A (Abduraghmaan)

#	Games	Start				End
1	6	Tournament Spring Slam 2024				Tournament Spring Slam 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 6	type Rapid	result 0.5
		Opponent Petersen, C (Cole)				Opponent King, V (Vicario)
2	2	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-01	rnd 3	type Rapid	result 1	date 2019-06-01	rnd 4	type Rapid	result 1
		Opponent Carolus, L (Logan)				Opponent Quickfall, L (Liam)
3	1	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-02	rnd 8	type Rapid	result 1	date 2019-06-02	rnd 8	type Rapid	result 1
		Opponent Pieterse, D (Daniel)				Opponent Pieterse, D (Daniel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Spring Slam 2024				Tournament Spring Slam 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Petersen, C (Cole)				Opponent Musakwa, C (Courtney)
2	4	Tournament 2019 Western Province League				Tournament 2019 National Club Chess Championships
		date 2019-08-10	rnd 6	type Standard	result 1	date 2019-09-27	rnd 1	type Standard	result 1
		Opponent Le Roux, M (Murray)				Opponent Lewaks, C (Clint)
3	2	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-01	rnd 3	type Rapid	result 1	date 2019-06-01	rnd 4	type Rapid	result 1
		Opponent Carolus, L (Logan)				Opponent Quickfall, L (Liam)

#	Games	Start				End
1	4	Tournament 2019 Western Province League				Tournament 2019 National Club Chess Championships
		date 2019-08-10	rnd 6	type Standard	result 1	date 2019-09-27	rnd 1	type Standard	result 1
		Opponent Le Roux, M (Murray)				Opponent Lewaks, C (Clint)
2	2	Tournament 2018 Western Province Open				Tournament 2018 Western Province Open
		date 2018-03-03	rnd 2	type Standard	result 1	date 2018-03-03	rnd 3	type Standard	result 1
		Opponent Baron, D (Dylan)				Opponent Ohlson, L (Liam)
3	1	Tournament Western Cape Closed 2025				Tournament Western Cape Closed 2025
		date 2025-03-09	rnd 4	type Standard	result 1	date 2025-03-09	rnd 4	type Standard	result 1
		Opponent Ziegers, Z (Zaskia)				Opponent Ziegers, Z (Zaskia)

#	Games	Start				End
1	5	Tournament Spring Slam 2024				Tournament Spring Slam 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Petersen, C (Cole)				Opponent Musakwa, C (Courtney)
2	2	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-01	rnd 3	type Rapid	result 1	date 2019-06-01	rnd 4	type Rapid	result 1
		Opponent Carolus, L (Logan)				Opponent Quickfall, L (Liam)
3	1	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-02	rnd 8	type Rapid	result 1	date 2019-06-02	rnd 8	type Rapid	result 1
		Opponent Pieterse, D (Daniel)				Opponent Pieterse, D (Daniel)

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	Mchontsi ,A (Ayabonga)	2	1	0	2	1	0	0	0	0	0	0	0
1	Mchontsi ,A (Ayabonga)	2	1499.2	1499.2	2	1500.7	1499.2	0	0	0	0	0	0
2	Hoare ,A (Andy)	1	1	425	1	1	425	0	0	0	0	0	0
2	Hoare ,A (Andy)	1	1177.8	1602.8	1	1172	1602.8	0	0	0	0	0	0
3	Petersen ,TJ (Tristin James)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Petersen ,TJ (Tristin James)	1	1565	1140	1	1565	1140	0	0	0	0	0	0
4	Ngoni ,M (Masiwake)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Ngoni ,M (Masiwake)	1	1280.5	855.5	1	1274.9	855.5	0	0	0	0	0	0
5	Frick ,J (Jacques)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Frick ,J (Jacques)	1	1579.9	1154.9	1	1703.4	1154.9	0	0	0	0	0	0
6	Baruch ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Baruch ,L (Liam)	1	1559.1	1134.1	1	1547.9	1134.1	0	0	0	0	0	0
7	Prent ,SC (Shane)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Prent ,SC (Shane)	1	1175	1175	1	1181.1	1175	0	0	0	0	0	0
8	Radloff ,H (Hunther)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Radloff ,H (Hunther)	1	1500.1	1075.1	1	1454.5	1075.1	0	0	0	0	0	0
9	Koester ,E (Euclides Euclides)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Koester ,E (Euclides Euclides)	1	1503.9	1078.9	1	1501.8	1078.9	0	0	0	0	0	0
10	Ohlson ,L (Liam)	1	1	425	1	1	425	0	0	0	0	0	0
10	Ohlson ,L (Liam)	1	1184	1609	1	1190.9	1609	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

Brown, JR (John-Rodney)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms