Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sinden, RJ (Reginald John)

Chess SA id

159034766

FIDE id

Date of birth

1959-12-07 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1522.7	1527.5	1524.1	1690.4
Raw rating	1522.7	1527.5	1524.1	1690.4
Weighted rating	1502.3	1517.7	1519	1690.4
Weighted performance	1325.4	1016.2	1200.8	0
Floor	1236	1236	1236	1236
K-factor	28	28	28	28
Min/Max rating change allowed	104.7	104	104.5	82.4
Highest rating	1736 2018-01-01	1736 2018-01-01	1736 2019-01-01	1736 2019-01-01
Highest raw rating	1736 2018-01-01	1736 2018-01-01	1736 2018-01-01	1736 2018-01-01
Highest weighted rating	1736 2018-01-01	1736 2018-01-01	1736 2019-01-01	1736 2019-01-01
Highest weighted performance	1580.5 2019-09-01	1517.8 2020-02-01	1525.2 2019-06-01	1543.1 2019-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1522.7	1527.5	1524.1	1690.4
Analysis
Rating	1522.7	1527.5	1524.1	1690.4
Raw rating	1522.7	1527.5	1524.1	1690.4
Weighted rating	1502.3	1517.7	1519
Weighted performance	1325.4	1016.2	1200.8
K-factor	28	28	28	28
Floor	1236	1236	1236	1236
Max/Min rating change allowed	104.7	104	104.5	82.4
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	1522.7	1527.5	1524.1	1690.4
New weighted rating	1503.8	1518.4	1518.9	1690.4
New weighted performance	1317	1007	1192.6	0
Temp new rating	1522.7	1527.5	1524.1	1690.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1522.7	1527.5	1524.1	1690.4
New K-factor	28	28	28	28
New floor	1236	1236	1236	1236

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	18	11	7	0
	24	9	15	0
	23	5	18	0
	8	8	0	0
	7	0	7	0
History	249	171	69	9

Games since
	Main 47	Standard 20		Rapid 27		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1106		345		196
Male	959		296		167
Adult	397		128		87
Adult Male	370		115		78
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	186		87		46
Male	175		82		46
Adult	90		29		22
Adult Male	85		29		22
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	18	11	61.11	94.4	1419.8	1514.2
Standard	11	7	63.64	115.9	1441	1556.9
Rapid	7	4	57.14	60.7	1386.5	1447.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	169	83	49.11	-7.5	1487.8	1480.2
Standard	104	51	49.04	-8.2	1484.2	1476
Rapid	56	26.5	47.32	-22.8	1502	1479.2
Blitz	9	5.5	61.11	94.4	1440.4	1534.8

Date	Main	Standard	Rapid	Blitz
2025-11-01	1522.7	1527.5	1524.1	1690.4
2025-09-30	1501.2	1516.6	1524.1	1690.4
2025-09-01	1501.2	1516.6	1524.1	1690.4
2025-08-01	1501.2	1516.6	1524.1	1690.4
2025-07-01	1501.2	1516.4	1524.1	1690.4
2025-06-01	1501.2	1516.2	1524.1	1690.4
2025-05-01	1501.2	1515.9	1524.1	1690.4
2025-04-01	1501.2	1515.7	1524.1	1690.4
2025-03-01	1500.9	1515.4	1524.1	1690.4
2025-02-01	1499.8	1514.8	1522.1	1690.4
2025-01-01	1475	1509.7	1446.3	1690.4
2024-12-01	1485	1509.7	1477.7	1690.4
2024-11-01	1485	1509.7	1477.7	1690.4
2024-10-01	1500.8	1509.7	1523.1	1690.4
2024-09-01	1511.4	1526.2	1523.1	1690.4
2024-08-01	1511.4	1526.2	1523.1	1690.4
2024-07-01	1511.4	1526.2	1523.1	1690.4
2024-09-01	1513.8	1526.2	1551.9	1690.4
2024-05-01	1513.8	1526.2	1551.9	1690.4
2024-04-01	1513.8	1526.2	1551.9	1690.4
2024-03-01	1513.8	1526.2	1551.9	1690.4
2024-02-01	1513.8	1526.2	1551.9	1690.4
2024-01-01	1513.8	1526.2	1551.9	1690.4
2023-12-01	1497.4	1491.4	1551.9	1690.4

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 (C)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	11	7	Yes	Analysis
2	Cape of Good Hope Open 2025 (Open Rapid)	2025-02-22	2025-02-22	Rapid	Cape Town (WCT)	7	7	4	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 (C)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	11	7	Yes	Analysis
2	Cape of Good Hope Open 2025 (Open Rapid)	2025-02-22	2025-02-22	Rapid	Cape Town (WCT)	7	7	4	Yes	Analysis
3	Rylib Summer Slam 2024 (Intermediate)	2024-12-03	2024-12-03	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
4	Spring Slam 2024 (A)	2024-10-05	2024-10-05	Rapid	Cape Town (WCT)	6	3	0	Yes	Analysis
5	CT League 2024 (B)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	9	2.5	Yes	Analysis
6	Rylib Winter Slam 2024 (Championship)	2024-06-19	2024-06-19	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
7	Rylib Summer Slam 2023 (Championship)	2023-12-12	2023-12-12	Rapid	Cape Town (WCT)	6	5	2	Yes	Analysis
8	WP Club League 2023 (B)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	5	0.5	Yes	Analysis
9	Rylib Chess Winter Slam 2023 (A)	2023-07-06	2023-07-06	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
10	GPCA Rapid 2023 (Advanced)	2023-06-24	2023-06-24	Rapid	Cape Town (WCT)	7	7	4.5	Yes	Analysis
11	Summer Slam 2022 (A)	2022-12-13	2022-12-13	Rapid	Cape Town (WCT)	6	0	0	No	Analysis
12	2022 Western Province Club League (Premier)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	8	0	Yes	Analysis
13	Summer Slam 2021 (Championship)	2021-12-13	2021-12-13	Rapid	Cape Town (WCT)	7	7	3.5	Yes	Analysis
14	2020 Cape Of Good Hope Open (Elite)	2020-02-21	2020-02-23	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
15	2019 National Club Chess Championships (A)	2019-09-27	2019-09-29	Standard	Cape Town (WCT)	6	5	3.5	Yes	Analysis
16	2019 Western Province League (Premier)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	9	3.5	Yes	Analysis
17	Condorgreen Mitchell`s Plain Chess Open Tournament 2019	2019-06-01	2019-06-02	Rapid	Cape Town (WCT)	9	9	6	Yes	Analysis
18	2019 Groote Schuur High School Blitz	2019-06-14	2019-06-14	Blitz	Cape Town (WCT)	9	9	5.5	Yes	Analysis
19	2019 Western Province Open (Prestige)	2019-05-25	2019-05-26	Standard	Cape Town (WCT)	6	5	0.5	Yes	Analysis
20	Steinitz Chess Festival 2019 (B)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	4	2	Yes	Analysis
21	Cape of Good Hope Open 2019 (Prestige)	2019-01-25	2019-01-28	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
22	ACL Chess Festival 2018 (Prestige)	2018-10-05	2018-10-07	Standard	Cape Town (WCT)	5	4	2.5	Yes	Analysis
23	2018 Western Province League (B)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	11	8.5	Yes	Analysis
24	Crossroads Open Chess Championship 2018 (B)	2018-04-27	2018-04-29	Standard	Cape Town (WCT)	6	5	3.5	Yes	Analysis
25	2018 Western Province Open (B)	2018-03-02	2018-03-04	Standard	Cape Town (WCT)	6	6	5.5	Yes	Analysis
26	2018 Steinitz Chess Festival (B)	2018-03-21	2018-03-25	Standard	Cape Town (WCT)	7	6	3	Yes	Analysis
27	2018 Cape of Good Hope Open Chess Championships (Prestige)	2018-01-26	2018-01-28	Standard	Cape Town (WCT)	6	5	3.5	Yes	Analysis

#	Games	Start				End
1	9	Tournament 2018 Cape of Good Hope Open Chess Championships				Tournament 2018 Steinitz Chess Festival
		date 2018-01-27	rnd 4	type Standard	result 1	date 2018-03-21	rnd 2	type Standard	result 1
		Opponent Lee, J (Joshua)				Opponent Thompson, T (Themba)
2	7	Tournament Crossroads Open Chess Championship 2018				Tournament 2018 Western Province League
		date 2018-04-27	rnd 2	type Standard	result 1	date 2018-08-11	rnd 3	type Standard	result 1
		Opponent Maritz, J (Jean)				Opponent Cameron, TP (Thomas)
3	6	Tournament Cape Town Chess Federation Club League 2025				Tournament Cape Town Chess Federation Club League 2025
		date 2025-07-26	rnd 2	type Standard	result 0.5	date 2025-09-13	rnd 7	type Standard	result 1
		Opponent Moroti, N (Nyiko)				Opponent Brand, D (Dion)

#	Games	Start				End
1	9	Tournament 2018 Cape of Good Hope Open Chess Championships				Tournament 2018 Steinitz Chess Festival
		date 2018-01-27	rnd 4	type Standard	result 1	date 2018-03-21	rnd 2	type Standard	result 1
		Opponent Lee, J (Joshua)				Opponent Thompson, T (Themba)
2	7	Tournament Crossroads Open Chess Championship 2018				Tournament 2018 Western Province League
		date 2018-04-27	rnd 2	type Standard	result 1	date 2018-08-11	rnd 3	type Standard	result 1
		Opponent Maritz, J (Jean)				Opponent Cameron, TP (Thomas)
3	6	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-18	rnd 5	type Standard	result 1	date 2018-09-08	rnd 10	type Standard	result 1
		Opponent Makhoane, S (Samuel)				Opponent Florence, G (Graham)

#	Games	Start				End
1	5	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Summer Slam 2021
		date 2019-06-02	rnd 6	type Rapid	result 0.5	date 2021-12-13	rnd 1	type Rapid	result 1
		Opponent Ntuma, LL (Lubabalo)				Opponent Bell, A (Ayakha)
2	3	Tournament GPCA Rapid 2023				Tournament GPCA Rapid 2023
		date 2023-06-24	rnd 5	type Rapid	result 1	date 2023-06-24	rnd 7	type Rapid	result 1
		Opponent Brink, W (Wihan)				Opponent Taolo, K (Kagisano)
3	2	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Tuyisenge, E (Eddy)				Opponent Slamang, MK (Mohammed Kassiem)

#	Games	Start				End
1	2	Tournament 2019 Groote Schuur High School Blitz				Tournament 2019 Groote Schuur High School Blitz
		date 2019-06-14	rnd 8	type Blitz	result 1	date 2019-06-14	rnd 9	type Blitz	result 1
		Opponent Thakersee, A (Akshay)				Opponent Esau, O (Omar)
2	2	Tournament 2019 Groote Schuur High School Blitz				Tournament 2019 Groote Schuur High School Blitz
		date 2019-06-14	rnd 5	type Blitz	result 0.5	date 2019-06-14	rnd 6	type Blitz	result 1
		Opponent Laker, M (Mark)				Opponent Mumba, E (Elija)
3	1	Tournament 2019 Groote Schuur High School Blitz				Tournament 2019 Groote Schuur High School Blitz
		date 2019-06-14	rnd 3	type Blitz	result 1	date 2019-06-14	rnd 3	type Blitz	result 1
		Opponent Esau, A (Abdurahmaan)				Opponent Esau, A (Abdurahmaan)

#	Games	Start				End
1	5	Tournament 2018 Western Province Open				Tournament 2018 Steinitz Chess Festival
		date 2018-03-03	rnd 3	type Standard	result 1	date 2018-03-21	rnd 2	type Standard	result 1
		Opponent Ndimande, N (Nqobani)				Opponent Thompson, T (Themba)
2	3	Tournament 2020 Cape Of Good Hope Open				Tournament Summer Slam 2021
		date 2020-02-22	rnd 4	type Standard	result 1	date 2021-12-13	rnd 1	type Rapid	result 1
		Opponent Carelse, JC (Jarred)				Opponent Bell, A (Ayakha)
3	3	Tournament 2019 Groote Schuur High School Blitz				Tournament 2019 Western Province League
		date 2019-06-14	rnd 8	type Blitz	result 1	date 2019-07-27	rnd 1	type Standard	result 1
		Opponent Thakersee, A (Akshay)				Opponent Joubert, D (Dantelle)

#	Games	Start				End
1	5	Tournament 2018 Western Province Open				Tournament 2018 Steinitz Chess Festival
		date 2018-03-03	rnd 3	type Standard	result 1	date 2018-03-21	rnd 2	type Standard	result 1
		Opponent Ndimande, N (Nqobani)				Opponent Thompson, T (Themba)
2	3	Tournament ACL Chess Festival 2018				Tournament Cape of Good Hope Open 2019
		date 2018-10-06	rnd 3	type Standard	result 1	date 2019-01-25	rnd 1	type Standard	result 1
		Opponent Sithole, A (Anoona)				Opponent Chama, I (Ignatius)
3	3	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-09-01	rnd 8	type Standard	result 1	date 2018-09-08	rnd 10	type Standard	result 1
		Opponent Steenkamp, W (Wessel)				Opponent Florence, G (Graham)

#	Games	Start				End
1	2	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Tuyisenge, E (Eddy)				Opponent Slamang, MK (Mohammed Kassiem)
2	2	Tournament Rylib Summer Slam 2023				Tournament Rylib Summer Slam 2023
		date 2023-12-12	rnd 5	type Rapid	result 1	date 2023-12-12	rnd 6	type Rapid	result 1
		Opponent Slamang, MK (Mohammed)				Opponent Rosenberg, W (Wagheed)
3	2	Tournament GPCA Rapid 2023				Tournament GPCA Rapid 2023
		date 2023-06-24	rnd 2	type Rapid	result 1	date 2023-06-24	rnd 3	type Rapid	result 1
		Opponent Swart, C (Colin)				Opponent Nieuwoudt, H (Hein)

#	Games	Start				End
1	2	Tournament 2019 Groote Schuur High School Blitz				Tournament 2019 Groote Schuur High School Blitz
		date 2019-06-14	rnd 8	type Blitz	result 1	date 2019-06-14	rnd 9	type Blitz	result 1
		Opponent Thakersee, A (Akshay)				Opponent Esau, O (Omar)
2	1	Tournament 2019 Groote Schuur High School Blitz				Tournament 2019 Groote Schuur High School Blitz
		date 2019-06-14	rnd 6	type Blitz	result 1	date 2019-06-14	rnd 6	type Blitz	result 1
		Opponent Mumba, E (Elija)				Opponent Mumba, E (Elija)
3	1	Tournament 2019 Groote Schuur High School Blitz				Tournament 2019 Groote Schuur High School Blitz
		date 2019-06-14	rnd 3	type Blitz	result 1	date 2019-06-14	rnd 3	type Blitz	result 1
		Opponent Esau, A (Abdurahmaan)				Opponent Esau, A (Abdurahmaan)

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	Salimu ,R (Reuben)	3	0	-425	2	0	-425	1	0	-425	0	0	0
1	Salimu ,R (Reuben)	3	1940.9	1515.9	2	1940.2	1515.9	1	1990.5	1515.9	0	0	0
2	Kedama ,S (Sandiso)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
2	Kedama ,S (Sandiso)	3	1458.9	1317.2	2	1339.9	1458.9	1	1514.6	1033.9	0	0	0
3	Ngwayishe ,BT (Bambelela Theo)	3	2	141.7	2	1	0	1	1	425	0	0	0
3	Ngwayishe ,BT (Bambelela Theo)	3	1285.6	1427.2	2	1299.8	1285.6	1	1318.2	1710.6	0	0	0
4	Slamang ,MK (Mohammed Kassiem)	3	3	425	0	0	0	3	3	425	0	0	0
4	Slamang ,MK (Mohammed Kassiem)	3	1387.3	1812.3	0	0	0	3	1383.9	1812.3	0	0	0
5	Manzanga ,J (Jordan)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Manzanga ,J (Jordan)	2	1216.7	1004.2	2	1213.3	1004.2	0	0	0	0	0	0
6	Lielieveld ,J (Jadrian)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
6	Lielieveld ,J (Jadrian)	2	1631.8	1419.3	2	1611.9	1419.3	0	0	0	0	0	0
7	Thompson ,T (Themba)	2	2	425	2	2	425	0	0	0	0	0	0
7	Thompson ,T (Themba)	2	1192.2	1617.2	2	1229.6	1617.2	0	0	0	0	0	0
8	Southey ,AM (Andrew Mcnab)	2	1	0	2	1	0	0	0	0	0	0	0
8	Southey ,AM (Andrew Mcnab)	2	1757.1	1757.1	2	1753	1757.1	0	0	0	0	0	0
9	Nieuwoudt ,D (Dawid)	2	1	0	2	1	0	0	0	0	0	0	0
9	Nieuwoudt ,D (Dawid)	2	1336.9	1336.9	2	1326.1	1336.9	0	0	0	0	0	0
10	Shaani ,KP (Kumbirayi Pascal)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
10	Shaani ,KP (Kumbirayi Pascal)	2	1530.1	1317.6	2	1506.1	1317.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Sinden, RJ (Reginald John)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms