Chess South Africa Ratings Database

PLAYER PAGE

Personal

Joseph, R (Riaan)

Chess SA id

107078602

FIDE id

Date of birth

2007-01-06 (U20)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-02-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1178	1170.2	1222.8	1104.8
Raw rating	1178	1170.2	1222.8	1104.8
Weighted rating	1178	1170.2	1222.8	1104.8
Weighted performance	225.3	0	0	0
Floor	751.1	761.6	722.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	171.1	173	160.5	189.9
Highest rating	1637.8 2018-03-01	1637.8 2018-03-01	1242.1 2019-02-01	1200 2018-02-01
Highest raw rating	1251.1 2018-04-01	1261.6 2018-04-01	1222.8 2024-02-01	1200 2018-02-01
Highest weighted rating	1251.1 2018-04-01	1261.6 2019-04-01	1222.8 2024-02-01	1200 2018-02-01
Highest weighted performance	1637.8 2018-03-01	1637.8 2018-03-01	1242.1 2019-02-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1178	1170.2	1222.8	1104.8
Analysis
Rating	1178	1170.2	1222.8	1104.8
Raw rating	1178	1170.2	1222.8	1104.8
Weighted rating	1178	1170.2	1222.8
Weighted performance	225.3	0	0
K-factor	36	36	36	36
Floor	751.1	761.6	722.8	700
Max/Min rating change allowed	171.1	173	160.5	189.9
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	1178	1170.2	1222.8	1104.8
New weighted rating	1178	1170.2	1222.8	1104.8
New weighted performance	218.6	0	0	0
Temp new rating	1178	1170.2	1222.8	1104.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1178	1170.2	1222.8	1104.8
New K-factor	36	36	36	36
New floor	751.1	761.6	722.8	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	3	3	0	0
	0	0	0	0
	0	0	0	0
History	47	29	11	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	37	20	54.05	34.5	1091.3	1125.8
Standard	23	13	56.52	55.4	1109.7	1165.1
Rapid	7	5	71.43	182.1	1089.5	1271.6
Blitz	7	2	28.57	-182.1	1032.8	850.7

Date	Main	Standard	Rapid	Blitz
2025-11-01	1178	1170.2	1222.8	1104.8
2025-09-30	1178	1170.2	1222.8	1104.8
2025-09-01	1178	1170.2	1222.8	1104.8
2025-08-01	1178	1170.2	1222.8	1104.8
2025-07-01	1178	1170.2	1222.8	1104.8
2025-06-01	1178	1170.2	1222.8	1104.8
2025-05-01	1178	1170.2	1222.8	1104.8
2025-04-01	1178	1170.2	1222.8	1104.8
2025-03-01	1178	1170.2	1222.8	1104.8
2025-02-01	1178	1170.2	1222.8	1104.8
2025-01-01	1178	1170.2	1222.8	1104.8
2024-12-01	1178	1170.2	1222.8	1104.8
2024-11-01	1178	1170.2	1222.8	1104.8
2024-10-01	1178	1170.2	1222.8	1104.8
2024-09-01	1178	1170.2	1222.8	1104.8
2024-08-01	1178	1170.2	1222.8	1104.8
2024-07-01	1178	1170.2	1222.8	1104.8
2024-09-01	1178	1170.2	1222.8	1104.8
2024-05-01	1178	1170.2	1222.8	1104.8
2024-04-01	1178	1170.2	1222.8	1104.8
2024-03-01	1178	1170.2	1222.8	1104.8
2024-02-01	1178	1170.2	1222.8	1104.8
2024-01-01	1178	1170.2	1222.8	1104.8
2023-12-01	1178	1170.2	1222.8	1104.8

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	West Coast High School Championships 2023 (U17 Boys)	2023-02-18	2023-02-18	Standard	West Coast (WCU)	6	3	0	Yes	Analysis
2	Bo-Weskus Skole Prestige 2020 (O13 Seuns)	2020-02-15	2020-02-15	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
3	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O13 Seuns)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
4	Bo-Weskus Skole Skaak Prestige 2019 (O13 Seuns)	2019-02-16	2019-02-16	Rapid	West Coast (WCU)	7	7	5	Yes	Analysis
5	West Coast Open 2018 (C)	2018-04-28	2018-04-28	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
6	Freedom Day Blitz 2018 (Men)	2018-04-27	2018-04-27	Blitz	West Coast (WCU)	7	7	2	Yes	Analysis
7	West Coast Schools Prestige Individual Championship 2018 (U11 Boys)	2018-03-10	2018-03-24	Standard	West Coast (WCU)	6	3	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Bo-Weskus Skole Skaak Prestige 2019
		date 2019-02-16	rnd 2	type Rapid	result 1	date 2019-02-16	rnd 4	type Rapid	result 1
		Opponent Cloete, J (Josh-Will)				Opponent Koegelenberg, D (Daniel)
2	3	Tournament West Coast Open 2018				Tournament West Coast Open 2018
		date 2018-04-28	rnd 1	type Standard	result 1	date 2018-04-28	rnd 3	type Standard	result 1
		Opponent Hoofdt, N (Nikyle)				Opponent Maarman, P (Perusha)
3	3	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament West Coast Schools Prestige Individual Championship 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-03-10	rnd 4	type Standard	result 1
		Opponent Meyer, J (Junior)				Opponent Shivano, N (Nero)

#	Games	Start				End
1	6	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament West Coast Open 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-04-28	rnd 3	type Standard	result 1
		Opponent Meyer, J (Junior)				Opponent Maarman, P (Perusha)
2	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 1
		Opponent Meyer, J (Junior)				Opponent November, T (Thurston)
3	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 1	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Februarie, R (Ronaldinho)				Opponent Cloete, C (Caleb)

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Bo-Weskus Skole Skaak Prestige 2019
		date 2019-02-16	rnd 2	type Rapid	result 1	date 2019-02-16	rnd 4	type Rapid	result 1
		Opponent Cloete, J (Josh-Will)				Opponent Koegelenberg, D (Daniel)
2	2	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Bo-Weskus Skole Skaak Prestige 2019
		date 2019-02-16	rnd 6	type Rapid	result 1	date 2019-02-16	rnd 7	type Rapid	result 1
		Opponent Pretorius, JB (Johnny)				Opponent Booyse, P (Pedro)

#	Games	Start				End
1	1	Tournament Freedom Day Blitz 2018				Tournament Freedom Day Blitz 2018
		date 2018-04-27	rnd 4	type Blitz	result 1	date 2018-04-27	rnd 4	type Blitz	result 1
		Opponent Ocks, E (Ethan)				Opponent Ocks, E (Ethan)
2	1	Tournament Freedom Day Blitz 2018				Tournament Freedom Day Blitz 2018
		date 2018-04-27	rnd 2	type Blitz	result 1	date 2018-04-27	rnd 2	type Blitz	result 1
		Opponent Sithole, D (Dylan)				Opponent Sithole, D (Dylan)

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Bo-Weskus Skole Skaak Prestige 2019
		date 2019-02-16	rnd 2	type Rapid	result 1	date 2019-02-16	rnd 4	type Rapid	result 1
		Opponent Cloete, J (Josh-Will)				Opponent Koegelenberg, D (Daniel)
2	3	Tournament West Coast Open 2018				Tournament West Coast Open 2018
		date 2018-04-28	rnd 1	type Standard	result 1	date 2018-04-28	rnd 3	type Standard	result 1
		Opponent Hoofdt, N (Nikyle)				Opponent Maarman, P (Perusha)
3	3	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament West Coast Schools Prestige Individual Championship 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-03-10	rnd 4	type Standard	result 1
		Opponent Meyer, J (Junior)				Opponent Shivano, N (Nero)

#	Games	Start				End
1	6	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament West Coast Open 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-04-28	rnd 3	type Standard	result 1
		Opponent Meyer, J (Junior)				Opponent Maarman, P (Perusha)
2	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 1
		Opponent Meyer, J (Junior)				Opponent November, T (Thurston)
3	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 1	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Februarie, R (Ronaldinho)				Opponent Cloete, C (Caleb)

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Bo-Weskus Skole Skaak Prestige 2019
		date 2019-02-16	rnd 2	type Rapid	result 1	date 2019-02-16	rnd 4	type Rapid	result 1
		Opponent Cloete, J (Josh-Will)				Opponent Koegelenberg, D (Daniel)
2	2	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Bo-Weskus Skole Skaak Prestige 2019
		date 2019-02-16	rnd 6	type Rapid	result 1	date 2019-02-16	rnd 7	type Rapid	result 1
		Opponent Pretorius, JB (Johnny)				Opponent Booyse, P (Pedro)

#	Games	Start				End
1	1	Tournament Freedom Day Blitz 2018				Tournament Freedom Day Blitz 2018
		date 2018-04-27	rnd 4	type Blitz	result 1	date 2018-04-27	rnd 4	type Blitz	result 1
		Opponent Ocks, E (Ethan)				Opponent Ocks, E (Ethan)
2	1	Tournament Freedom Day Blitz 2018				Tournament Freedom Day Blitz 2018
		date 2018-04-27	rnd 2	type Blitz	result 1	date 2018-04-27	rnd 2	type Blitz	result 1
		Opponent Sithole, D (Dylan)				Opponent Sithole, D (Dylan)

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	Meyer ,J (Junior)	2	2	425	2	2	425	0	0	0	0	0	0
1	Meyer ,J (Junior)	2	1189.4	1614.4	2	1161.2	1614.4	0	0	0	0	0	0
2	Pretorius ,JB (Johnny Barend)	2	1	0	1	0	-425	1	1	425	0	0	0
2	Pretorius ,JB (Johnny Barend)	2	977.8	977.8	1	1126.8	552.8	1	618	1402.8	0	0	0
3	Groenewald ,R (Randuaan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Groenewald ,R (Randuaan)	2	1193.7	768.7	1	1200	768.7	1	1200	768.7	0	0	0
4	Ocks ,E (Ethan)	2	2	425	1	1	425	0	0	0	1	1	425
4	Ocks ,E (Ethan)	2	1196.6	1621.6	1	1200	1621.6	0	0	0	1	1172	1621.6
5	Muller ,L (Lara)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Muller ,L (Lara)	1	605.6	180.6	1	605.6	180.6	0	0	0	0	0	0
6	Maroem ,D (Dyran)	1	1	425	1	1	425	0	0	0	0	0	0
6	Maroem ,D (Dyran)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Karelse ,D (Daylon)	1	1	425	1	1	425	0	0	0	0	0	0
7	Karelse ,D (Daylon)	1	1196.2	1621.2	1	1200	1621.2	0	0	0	0	0	0
8	Njokweni ,L (Llyabona)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Njokweni ,L (Llyabona)	1	1433.7	1008.7	1	1438	1008.7	0	0	0	0	0	0
9	Cloete ,H (Howard)	1	1	425	1	1	425	0	0	0	0	0	0
9	Cloete ,H (Howard)	1	654.4	1079.4	1	544	1079.4	0	0	0	0	0	0
10	Hoofdt ,N (Nikyle)	1	1	425	1	1	425	0	0	0	0	0	0
10	Hoofdt ,N (Nikyle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Joseph, R (Riaan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms