Chess South Africa Ratings Database

PLAYER PAGE

Personal

Dama, R (Rianze)

Chess SA id

1100317939

FIDE id

Date of birth

2010-11-25 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1199.1	1200	1199.7	1193.9
Raw rating	1190.5	1200	1199.7	1123.7
Weighted rating	1199.1	1200	1199.7	1193.9
Weighted performance	0	0	0	0
Floor	699.9	700	699.9	700
K-factor	40	36	40	36
Min/Max rating change allowed	168.1	165.8	165.9	184.9
Highest rating	1199.9 2025-03-17	1200 2025-04-01	1199.9 2025-03-17	1200 2025-04-01
Highest raw rating	1199.9 2025-03-17	1200 2025-04-01	1199.9 2025-03-17	1200 2025-04-01
Highest weighted rating	1199.9 2025-03-17	1200 2025-04-01	1199.9 2025-03-17	1200 2025-04-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.7	0	0	-5.9
New rating	1198.4	1200	1199.7	1188
Analysis
Rating	1199.1	1200	1199.7	1193.9
Raw rating	1190.5	1200	1199.7	1123.7
Weighted rating	1199.1	1200	1199.7
Weighted performance	0	0	0
K-factor	40	36	40	36
Floor	699.9	700	699.9	700
Max/Min rating change allowed	168.1	165.8	165.9	184.9
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	1190.5	1200	1199.7	1123.7
New weighted rating	1198.4	1200	1199.7	1188
New weighted performance	0	0	0	0
Temp new rating	1198.4	1200	1199.7	1188
Temp new rating +/-	-0.7	0	0	-5.9
Final new rating +/-	-0.7	0	0	-5.9
New rating	1198.4	1200	1199.7	1188
New K-factor	40	36	40	36
New floor	699.9	700	699.9	700

Item	Main	Rapid	Blitz
	0	0	0
	12	4	8
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	12	4	8

Games since
	Main 12	Standard 0		Rapid 4		Blitz 8
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	12	2.5	20.83	-247.9	1351.8	1103.9
Standard	0	0	0	0	0	0
Rapid	4	1	25	-212.5	1257	1044.5
Blitz	8	1.5	18.75	-265.6	1399.2	1133.6
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	2.5	20.83	-247.9	1351.8	1103.9
Standard	0	0	0	0	0	0
Rapid	4	1	25	-212.5	1257	1044.5
Blitz	8	1.5	18.75	-265.6	1399.2	1133.6

Date	Main	Standard	Rapid	Blitz
2025-11-01	1190.5	1200	1199.7	1123.7
2025-09-30	1199.9	1200	1199.7	1200
2025-09-01	1199.9	1200	1199.7	1200
2025-08-01	1199.9	1200	1199.7	1200
2025-07-01	1199.9	1200	1199.7	1200
2025-06-01	1199.9	1200	1199.7	1200
2025-05-01	1199.8	1200	1199.5	1200
2025-04-01	1198.6	1200	1196.9	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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	Goue Liga Blitz 2025	2025-10-25	2025-10-25	Blitz	Johannesburg Metro (GJM)	9	8	1.5	Yes	Analysis
2	UJ Scholars 1st Edition 2025 (U15)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Goue Liga Blitz 2025	2025-10-25	2025-10-25	Blitz	Johannesburg Metro (GJM)	9	8	1.5	Yes	Analysis
2	UJ Scholars 1st Edition 2025 (U15)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Goue Liga Blitz 2025				Tournament Goue Liga Blitz 2025
		date 2025-10-25	rnd 2	type Blitz	result 0.5	date 2025-10-25	rnd 3	type Blitz	result 1
		Opponent Ndlovu, T (Thandeka)				Opponent Nyandeni, B (Bongekile)
2	1	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 5	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Mahlangu, D (Daisy)				Opponent Mahlangu, D (Daisy)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 5	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Mahlangu, D (Daisy)				Opponent Mahlangu, D (Daisy)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 5	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Mahlangu, D (Daisy)				Opponent Mahlangu, D (Daisy)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 5	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Mahlangu, D (Daisy)				Opponent Mahlangu, D (Daisy)

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	Mangwiro ,A (Atinzwaishe)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Mangwiro ,A (Atinzwaishe)	1	1200	775	0	0	0	1	1200	775	0	0	0
2	Dube ,A (Asher)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Dube ,A (Asher)	1	1247.4	822.4	0	0	0	1	1178.4	822.4	0	0	0
3	Kutukesidi ,R (Raphael)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Kutukesidi ,R (Raphael)	1	1380.5	955.5	0	0	0	1	1255.1	955.5	0	0	0
4	Mahlangu ,D (Daisy)	1	1	425	0	0	0	1	1	425	0	0	0
4	Mahlangu ,D (Daisy)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Khumalo ,H (Hadriel)	1	0	-425	0	0	0	0	0	0	1	0	-425
5	Khumalo ,H (Hadriel)	1	1235.6	810.6	0	0	0	0	0	0	1	1200	810.6
6	Miao ,R (Ruichen)	1	0	-425	0	0	0	0	0	0	1	0	-425
6	Miao ,R (Ruichen)	1	1252.6	827.6	0	0	0	0	0	0	1	1200	827.6
7	Ziegenhagen ,V (Vian Luke)	1	0	-425	0	0	0	0	0	0	1	0	-425
7	Ziegenhagen ,V (Vian Luke)	1	1615.7	1190.7	0	0	0	0	0	0	1	1140.3	1190.7
8	Scullard ,S (Sienne)	1	0	-425	0	0	0	0	0	0	1	0	-425
8	Scullard ,S (Sienne)	1	1584.3	1159.3	0	0	0	0	0	0	1	1072.1	1159.3
9	Potgieter ,E (Edward)	1	0	-425	0	0	0	0	0	0	1	0	-425
9	Potgieter ,E (Edward)	1	1908.5	1483.5	0	0	0	0	0	0	1	1601.3	1483.5
10	Ndlovu ,T (Thandeka)	1	0.5	0	0	0	0	0	0	0	1	0.5	0
10	Ndlovu ,T (Thandeka)	1	1152.3	1152.3	0	0	0	0	0	0	1	1200	1152.3

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Dama, R (Rianze)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms