Chess South Africa Ratings Database

PLAYER PAGE

Personal

Gertzen, R (Rihanna)

Chess SA id

2080109421

FIDE id

Date of birth

2008-05-03 (U18)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1050.2

Item	Main	Standard	Rapid	Blitz
Rating	1107.4	1089.5	1200	1200
Raw rating	1107.4	1089.5	1200	1200
Weighted rating	1104.4	1085.9	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	189.2	194.1	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1107.4	1089.5	1200	1200
Analysis
Rating	1107.4	1089.5	1200	1200
Raw rating	1107.4	1089.5	1200	1200
Weighted rating	1104.4	1085.9	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	189.2	194.1	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	1107.4	1089.5	1200	1200
New weighted rating	1104.2	1085.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1107.4	1089.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1107.4	1089.5	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	14	14
	8	8
	0	0
	0	0
	0	0
History	25	25

Games since
	Main 22	Standard 22		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-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	14	3.5	25	-212.5	1244.5	1032
Standard	14	3.5	25	-212.5	1244.5	1032
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	6	24	-221	1194.7	973.7
Standard	25	6	24	-221	1194.7	973.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1107.4	1089.5	1200	1200
2025-09-01	1107.4	1089.5	1200	1200
2025-08-01	1107.4	1089.5	1200	1200
2025-07-01	1107.4	1089.5	1200	1200
2025-06-01	1107.4	1089.5	1200	1200
2025-05-01	1107.4	1089.5	1200	1200
2025-04-01	1106.8	1089.2	1200	1200
2025-03-01	1108.7	1091	1200	1200
2025-02-01	1109.7	1092.1	1200	1200
2025-01-01	1092.4	1071.6	1200	1200
2024-12-01	1092.4	1071.6	1200	1200
2024-11-01	1092.4	1071.6	1200	1200
2024-10-01	1092.4	1071.6	1200	1200
2024-09-01	1092.4	1071.6	1200	1200
2024-08-01	1092.4	1071.6	1200	1200
2024-07-01	1092.4	1071.6	1200	1200
2024-06-01	1092.4	1071.6	1200	1200
2024-08-01	1092.4	1071.6	1200	1200
2024-04-01	1092.4	1071.6	1200	1200
2024-03-01	1143.9	1133.6	1200	1200
2024-02-01	1150.2	1140	1200	1200
2024-01-01	1150.2	1140	1200	1200
2023-12-01	1150.2	1140	1200	1200
2023-11-01	1150.2	1140	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	Eden Schools Chess Trials 1 2025 (U17 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
2	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	1	Yes	Analysis
3	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Schools Chess Trials 1 2025 (U17 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
2	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	1	Yes	Analysis
3	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	1	Yes	Analysis
4	Eden Chess Trials 2 2024 (U18)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	0	0	No	Analysis
5	Eden School Chess Trials 1 2024 (U18 Girls)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	3	0	Yes	Analysis
6	OUDUSSA Trials 2 2024 (U18 Boys+Girls)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	2	Yes	Analysis
7	Oudtshoorn Trials 3 2019 (U12)	2019-02-16	2019-02-16	Standard	Eden (WEG)	5	0	0	No	Analysis
8	Oudtshoorn Trials 2 2019 (U12)	2019-02-09	2019-02-09	Standard	Eden (WEG)	5	3	0.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament OUDUSSA Trials 2 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-17	rnd 4	type Standard	result 1	date 2024-02-17	rnd 5	type Standard	result 1
		Opponent Campher, L (Luwiaan)				Opponent Goljats, S (Samuel)
2	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 4	type Standard	result 0.5	date 2025-03-08	rnd 4	type Standard	result 0.5
		Opponent Dyssel, A (Amy Kay)				Opponent Dyssel, A (Amy Kay)
3	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Claassen, H (Haylene)				Opponent Claassen, H (Haylene)

#	Games	Start				End
1	2	Tournament OUDUSSA Trials 2 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-17	rnd 4	type Standard	result 1	date 2024-02-17	rnd 5	type Standard	result 1
		Opponent Campher, L (Luwiaan)				Opponent Goljats, S (Samuel)
2	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 4	type Standard	result 0.5	date 2025-03-08	rnd 4	type Standard	result 0.5
		Opponent Dyssel, A (Amy Kay)				Opponent Dyssel, A (Amy Kay)
3	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Claassen, H (Haylene)				Opponent Claassen, H (Haylene)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament OUDUSSA Trials 2 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-17	rnd 4	type Standard	result 1	date 2024-02-17	rnd 5	type Standard	result 1
		Opponent Campher, L (Luwiaan)				Opponent Goljats, S (Samuel)
2	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Claassen, H (Haylene)				Opponent Claassen, H (Haylene)
3	1	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Nuys, M (Muscat)				Opponent Nuys, M (Muscat)

#	Games	Start				End
1	2	Tournament OUDUSSA Trials 2 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-17	rnd 4	type Standard	result 1	date 2024-02-17	rnd 5	type Standard	result 1
		Opponent Campher, L (Luwiaan)				Opponent Goljats, S (Samuel)
2	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Claassen, H (Haylene)				Opponent Claassen, H (Haylene)
3	1	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Nuys, M (Muscat)				Opponent Nuys, M (Muscat)

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	Nuys ,M (Muscat)	1	1	425	1	1	425	0	0	0	0	0	0
1	Nuys ,M (Muscat)	1	1199.8	1624.8	1	1199.7	1624.8	0	0	0	0	0	0
2	Kasper ,M (Maselino)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Kasper ,M (Maselino)	1	1281.9	856.9	1	1274.4	856.9	0	0	0	0	0	0
3	Golding ,E (Elnichia)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Golding ,E (Elnichia)	1	1444.6	1019.6	1	1442.4	1019.6	0	0	0	0	0	0
4	Campher ,L (Luwiaan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Campher ,L (Luwiaan)	1	1276	1701	1	1283.1	1701	0	0	0	0	0	0
5	Andrews ,K (Kaylin)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Andrews ,K (Kaylin)	1	1263.6	838.6	1	1261.3	838.6	0	0	0	0	0	0
6	May ,B (Behago)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	May ,B (Behago)	1	1338.7	913.7	1	1323.4	913.7	0	0	0	0	0	0
7	Uithaler ,K (Keanu)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Uithaler ,K (Keanu)	1	1123.6	698.6	1	1118	698.6	0	0	0	0	0	0
8	Esau ,M (Monique)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Esau ,M (Monique)	1	955.1	530.1	1	930.8	530.1	0	0	0	0	0	0
9	Botha ,M (Mcearlin)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Botha ,M (Mcearlin)	1	1241.7	816.7	1	1246.1	816.7	0	0	0	0	0	0
10	Bessie ,A (Ashwill)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Bessie ,A (Ashwill)	1	1099.5	674.5	1	1082.4	674.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Gertzen, R (Rihanna)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms