Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, R (Riandre)

Chess SA id

100046025

FIDE id

Date of birth

2000-11-03 (Adult)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1288.9	1307.2	1200	1200
Raw rating	1288.9	1307.2	1200	1200
Weighted rating	1232.7	1239.4	1200	1200
Weighted performance	0	0	0	0
Floor	788.9	807.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	146.1	142.3	165.8	165.8
Highest rating	1288.9 2025-07-01	1307.2 2025-07-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1288.9 2025-07-01	1307.2 2025-07-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1220.7 2025-08-01	1225 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1281.7 2024-09-01	1281.8 2024-09-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1288.9	1307.2	1200	1200
Analysis
Rating	1288.9	1307.2	1200	1200
Raw rating	1288.9	1307.2	1200	1200
Weighted rating	1232.7	1239.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	788.9	807.2	700	700
Max/Min rating change allowed	146.1	142.3	165.8	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	1288.9	1307.2	1200	1200
New weighted rating	1238.2	1246.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1288.9	1307.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1288.9	1307.2	1200	1200
New K-factor	36	36	36	36
New floor	788.9	807.2	700	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	5	5	0
	0	0	0
	0	0	0
	0	0	0
History	43	29	14

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
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	-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	5	5	100	425	1215.1	1640.1
Standard	5	5	100	425	1215.1	1640.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	8	80	255	1204.6	1459.6
Standard	10	8	80	255	1204.6	1459.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1288.9	1307.2	1200	1200
2025-09-01	1288.9	1307.2	1200	1200
2025-08-01	1288.9	1307.2	1200	1200
2025-07-01	1288.9	1307.2	1200	1200
2025-06-01	1212.5	1215.1	1200	1200
2025-05-01	1212.5	1215.1	1200	1200
2025-04-01	1212.5	1215.1	1200	1200
2025-03-01	1212.5	1215.1	1200	1200
2025-02-01	1212.5	1215.1	1200	1200
2025-01-01	1212.5	1215.1	1200	1200
2024-12-01	1212.5	1215.1	1200	1200
2024-11-01	1212.5	1215.1	1200	1200
2024-10-01	1212.5	1215.1	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	1200

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	2025 Jacaranda Round Robin Open Chess Tournament (N)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Jacaranda Round Robin Open Chess Tournament (N)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
2	2024 Curro Hazeldean High Open Chess Tournament (C)	2024-09-07	2024-09-07	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Ding, C (Chiyi)				Opponent Frauendorf, D (Diedrich Karel)
2	2	Tournament 2024 Curro Hazeldean High Open Chess Tournament				Tournament 2024 Curro Hazeldean High Open Chess Tournament
		date 2024-09-07	rnd 1	type Standard	result 1	date 2024-09-07	rnd 2	type Standard	result 1
		Opponent Jijana, S (Siphokazi)				Opponent Tukuru, I (Inioluwa)
3	1	Tournament 2024 Curro Hazeldean High Open Chess Tournament				Tournament 2024 Curro Hazeldean High Open Chess Tournament
		date 2024-09-07	rnd 4	type Standard	result 1	date 2024-09-07	rnd 4	type Standard	result 1
		Opponent Mooloo, T (Thaylen)				Opponent Mooloo, T (Thaylen)

#	Games	Start				End
1	5	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Ding, C (Chiyi)				Opponent Frauendorf, D (Diedrich Karel)
2	2	Tournament 2024 Curro Hazeldean High Open Chess Tournament				Tournament 2024 Curro Hazeldean High Open Chess Tournament
		date 2024-09-07	rnd 1	type Standard	result 1	date 2024-09-07	rnd 2	type Standard	result 1
		Opponent Jijana, S (Siphokazi)				Opponent Tukuru, I (Inioluwa)
3	1	Tournament 2024 Curro Hazeldean High Open Chess Tournament				Tournament 2024 Curro Hazeldean High Open Chess Tournament
		date 2024-09-07	rnd 4	type Standard	result 1	date 2024-09-07	rnd 4	type Standard	result 1
		Opponent Mooloo, T (Thaylen)				Opponent Mooloo, T (Thaylen)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Ding, C (Chiyi)				Opponent Frauendorf, D (Diedrich Karel)
2	2	Tournament 2024 Curro Hazeldean High Open Chess Tournament				Tournament 2024 Curro Hazeldean High Open Chess Tournament
		date 2024-09-07	rnd 1	type Standard	result 1	date 2024-09-07	rnd 2	type Standard	result 1
		Opponent Jijana, S (Siphokazi)				Opponent Tukuru, I (Inioluwa)
3	1	Tournament 2024 Curro Hazeldean High Open Chess Tournament				Tournament 2024 Curro Hazeldean High Open Chess Tournament
		date 2024-09-07	rnd 4	type Standard	result 1	date 2024-09-07	rnd 4	type Standard	result 1
		Opponent Mooloo, T (Thaylen)				Opponent Mooloo, T (Thaylen)

#	Games	Start				End
1	5	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Ding, C (Chiyi)				Opponent Frauendorf, D (Diedrich Karel)
2	2	Tournament 2024 Curro Hazeldean High Open Chess Tournament				Tournament 2024 Curro Hazeldean High Open Chess Tournament
		date 2024-09-07	rnd 1	type Standard	result 1	date 2024-09-07	rnd 2	type Standard	result 1
		Opponent Jijana, S (Siphokazi)				Opponent Tukuru, I (Inioluwa)
3	1	Tournament 2024 Curro Hazeldean High Open Chess Tournament				Tournament 2024 Curro Hazeldean High Open Chess Tournament
		date 2024-09-07	rnd 4	type Standard	result 1	date 2024-09-07	rnd 4	type Standard	result 1
		Opponent Mooloo, T (Thaylen)				Opponent Mooloo, T (Thaylen)

No games found.

#	Games	Start				End

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	Jijana ,S (Siphokazi)	1	1	425	1	1	425	0	0	0	0	0	0
1	Jijana ,S (Siphokazi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Mooloo ,T (Thaylen)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mooloo ,T (Thaylen)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Elskie ,T (Tamryn)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Elskie ,T (Tamryn)	1	1244.2	819.2	1	1247.5	819.2	0	0	0	0	0	0
4	Tukuru ,I (Inioluwa)	1	1	425	1	1	425	0	0	0	0	0	0
4	Tukuru ,I (Inioluwa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Du Toit ,U (Ulrike)	1	1	425	1	1	425	0	0	0	0	0	0
5	Du Toit ,U (Ulrike)	1	1213.2	1638.2	1	1218.9	1638.2	0	0	0	0	0	0
6	Ramonyai ,M (Maribe)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ramonyai ,M (Maribe)	1	1126.3	701.3	1	1123.3	701.3	0	0	0	0	0	0
7	Ding ,C (Chiyi)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ding ,C (Chiyi)	1	1218.8	1643.8	1	1221.8	1643.8	0	0	0	0	0	0
8	Frauendorf ,D (Diedrich Karel)	1	1	425	1	1	425	0	0	0	0	0	0
8	Frauendorf ,D (Diedrich Karel)	1	1220.1	1645.1	1	1223.6	1645.1	0	0	0	0	0	0
9	Dlamini ,S (Sapholwethu)	1	1	425	1	1	425	0	0	0	0	0	0
9	Dlamini ,S (Sapholwethu)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Wei ,Y (Yuande)	1	1	425	1	1	425	0	0	0	0	0	0
10	Wei ,Y (Yuande)	1	1223.3	1648.3	1	1226.5	1648.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Van Der Merwe, R (Riandre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms