Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mametja, R (Ryan)

Chess SA id

1090115208

FIDE id

Date of birth

2009-03-10 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-10-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1277.6	1200.8	1336.4	1200
Raw rating	1277.6	1200.8	1336.4	1200
Weighted rating	1277.6	1200.8	1336.4	1200
Weighted performance	920	0	976.1	0
Floor	777.6	700.8	836.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	148.5	165.6	136.5	165.8
Highest rating	1277.6 2024-02-01	1206 2019-05-01	1374 2023-05-01	1200 2018-10-01
Highest raw rating	1277.6 2024-02-01	1200.8 2024-02-01	1336.4 2024-02-01	1200 2024-02-01
Highest weighted rating	1277.5 2025-08-01	1200.8 2024-02-01	1336.3 2025-08-01	1200 2018-10-01
Highest weighted performance	1264.3 2023-10-01	1206 2019-05-01	1374 2023-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1277.6	1200.8	1336.4	1200
Analysis
Rating	1277.6	1200.8	1336.4	1200
Raw rating	1277.6	1200.8	1336.4	1200
Weighted rating	1277.6	1200.8	1336.4
Weighted performance	920	0	976.1
K-factor	36	36	36	36
Floor	777.6	700.8	836.4	700
Max/Min rating change allowed	148.5	165.6	136.5	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	1277.6	1200.8	1336.4	1200
New weighted rating	1277.6	1200.8	1336.4	1200
New weighted performance	912.3	0	968	0
Temp new rating	1277.6	1200.8	1336.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1277.6	1200.8	1336.4	1200
New K-factor	36	36	36	36
New floor	777.6	700.8	836.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	14	0	14
	9	0	9
	0	0	0
History	28	5	23

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	28	18.5	66.07	136.6	1209.6	1346.3
Standard	5	2.5	50	0	1197.3	1197.3
Rapid	23	16	69.57	166.3	1212.3	1378.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1277.6	1200.8	1336.4	1200
2025-09-30	1277.6	1200.8	1336.4	1200
2025-09-01	1277.6	1200.8	1336.4	1200
2025-08-01	1277.6	1200.8	1336.4	1200
2025-07-01	1277.6	1200.8	1336.4	1200
2025-06-01	1277.6	1200.8	1336.4	1200
2025-05-01	1277.6	1200.8	1336.4	1200
2025-04-01	1277.6	1200.8	1336.4	1200
2025-03-01	1277.6	1200.8	1336.4	1200
2025-02-01	1277.6	1200.8	1336.4	1200
2025-01-01	1277.6	1200.8	1336.4	1200
2024-12-01	1277.6	1200.8	1336.4	1200
2024-11-01	1277.6	1200.8	1336.4	1200
2024-10-01	1277.6	1200.8	1336.4	1200
2024-09-01	1277.6	1200.8	1336.4	1200
2024-08-01	1277.6	1200.8	1336.4	1200
2024-07-01	1277.6	1200.8	1336.4	1200
2024-09-01	1277.6	1200.8	1336.4	1200
2024-05-01	1277.6	1200.8	1336.4	1200
2024-04-01	1277.6	1200.8	1336.4	1200
2024-03-01	1277.6	1200.8	1336.4	1200
2024-02-01	1277.6	1200.8	1336.4	1200
2024-01-01	1277.6	1200.8	1336.4	1200
2023-12-01	1277.6	1200.8	1336.4	1200

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	Gauteng Soncini Finals 2023 (LSEN)	2023-10-28	2023-10-28	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
2	Primrose Rapid 2023 (LSEN)	2023-06-10	2023-06-10	Rapid	Ekurhuleni (GE)	5	4	2	Yes	Analysis
3	Ithembelihle Open 2023 (LSEN)	2023-05-13	2023-05-13	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
4	OR Tambo Soncini Finals 2022 (LSEN)	2022-10-29	2022-10-29	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
5	Gauteng Schools Disabiltity Chess Festival 2022 (Primary School)	2022-05-28	2022-05-28	Rapid	Ekurhuleni (GE)	5	4	2	Yes	Analysis
6	2019 Gauteng Disabled Schools Individual Chess Championships (U15 SID)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament OR Tambo Soncini Finals 2022				Tournament Ithembelihle Open 2023
		date 2022-10-29	rnd 5	type Rapid	result 1	date 2023-05-13	rnd 4	type Rapid	result 1
		Opponent Scheepers, D (Danheen)				Opponent Diko, S (Sanele)
2	5	Tournament Gauteng Schools Disabiltity Chess Festival 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-05-28	rnd 4	type Rapid	result 1	date 2022-10-29	rnd 3	type Rapid	result 1
		Opponent Ngaka, O (Oratile)				Opponent Kruger, M (Martin)
3	2	Tournament Gauteng Soncini Finals 2023				Tournament Gauteng Soncini Finals 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Masipa, T (Thabang)				Opponent Molakeng, A (Amogelang)

#	Games	Start				End
1	1	Tournament 2019 Gauteng Disabled Schools Individual Chess Championships				Tournament 2019 Gauteng Disabled Schools Individual Chess Championships
		date 2019-05-25	rnd 5	type Standard	result 0.5	date 2019-05-25	rnd 5	type Standard	result 0.5
		Opponent Van Rooyen, E (Edghardt)				Opponent Van Rooyen, E (Edghardt)
2	1	Tournament 2019 Gauteng Disabled Schools Individual Chess Championships				Tournament 2019 Gauteng Disabled Schools Individual Chess Championships
		date 2019-05-25	rnd 3	type Standard	result 1	date 2019-05-25	rnd 3	type Standard	result 1
		Opponent Nhlapo, M (Mduduzi)				Opponent Nhlapo, M (Mduduzi)
3	1	Tournament 2019 Gauteng Disabled Schools Individual Chess Championships				Tournament 2019 Gauteng Disabled Schools Individual Chess Championships
		date 2019-05-25	rnd 1	type Standard	result 1	date 2019-05-25	rnd 1	type Standard	result 1
		Opponent Mathithi, K (Kutlwano)				Opponent Mathithi, K (Kutlwano)

#	Games	Start				End
1	5	Tournament OR Tambo Soncini Finals 2022				Tournament Ithembelihle Open 2023
		date 2022-10-29	rnd 5	type Rapid	result 1	date 2023-05-13	rnd 4	type Rapid	result 1
		Opponent Scheepers, D (Danheen)				Opponent Diko, S (Sanele)
2	5	Tournament Gauteng Schools Disabiltity Chess Festival 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-05-28	rnd 4	type Rapid	result 1	date 2022-10-29	rnd 3	type Rapid	result 1
		Opponent Ngaka, O (Oratile)				Opponent Kruger, M (Martin)
3	2	Tournament Gauteng Soncini Finals 2023				Tournament Gauteng Soncini Finals 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Masipa, T (Thabang)				Opponent Molakeng, A (Amogelang)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament OR Tambo Soncini Finals 2022				Tournament Ithembelihle Open 2023
		date 2022-10-29	rnd 5	type Rapid	result 1	date 2023-05-13	rnd 4	type Rapid	result 1
		Opponent Scheepers, D (Danheen)				Opponent Diko, S (Sanele)
2	5	Tournament Gauteng Schools Disabiltity Chess Festival 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-05-28	rnd 4	type Rapid	result 1	date 2022-10-29	rnd 3	type Rapid	result 1
		Opponent Ngaka, O (Oratile)				Opponent Kruger, M (Martin)
3	2	Tournament Gauteng Soncini Finals 2023				Tournament Gauteng Soncini Finals 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Masipa, T (Thabang)				Opponent Molakeng, A (Amogelang)

#	Games	Start				End
1	1	Tournament 2019 Gauteng Disabled Schools Individual Chess Championships				Tournament 2019 Gauteng Disabled Schools Individual Chess Championships
		date 2019-05-25	rnd 3	type Standard	result 1	date 2019-05-25	rnd 3	type Standard	result 1
		Opponent Nhlapo, M (Mduduzi)				Opponent Nhlapo, M (Mduduzi)
2	1	Tournament 2019 Gauteng Disabled Schools Individual Chess Championships				Tournament 2019 Gauteng Disabled Schools Individual Chess Championships
		date 2019-05-25	rnd 1	type Standard	result 1	date 2019-05-25	rnd 1	type Standard	result 1
		Opponent Mathithi, K (Kutlwano)				Opponent Mathithi, K (Kutlwano)

#	Games	Start				End
1	5	Tournament OR Tambo Soncini Finals 2022				Tournament Ithembelihle Open 2023
		date 2022-10-29	rnd 5	type Rapid	result 1	date 2023-05-13	rnd 4	type Rapid	result 1
		Opponent Scheepers, D (Danheen)				Opponent Diko, S (Sanele)
2	5	Tournament Gauteng Schools Disabiltity Chess Festival 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-05-28	rnd 4	type Rapid	result 1	date 2022-10-29	rnd 3	type Rapid	result 1
		Opponent Ngaka, O (Oratile)				Opponent Kruger, M (Martin)
3	2	Tournament Gauteng Soncini Finals 2023				Tournament Gauteng Soncini Finals 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Masipa, T (Thabang)				Opponent Molakeng, A (Amogelang)

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	Molakeng ,A (Amogelang)	5	2	-85	0	0	0	5	2	-85	0	0	0
1	Molakeng ,A (Amogelang)	5	1258.5	1173.5	0	0	0	5	1303.3	1173.5	0	0	0
2	Mathithi ,K (Kutlwano)	2	1	0	1	1	425	1	0	-425	0	0	0
2	Mathithi ,K (Kutlwano)	2	1229.6	1229.6	1	1200	1654.6	1	1301.6	804.6	0	0	0
3	Van Rooyen ,E (Edghardt)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Van Rooyen ,E (Edghardt)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
4	Mncube ,M (Mcebiseni)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mncube ,M (Mcebiseni)	1	1186.7	761.7	1	1181.2	761.7	0	0	0	0	0	0
5	Nzimande ,M (Mpendulo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Nzimande ,M (Mpendulo)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Masangwana ,S (Sazi)	1	1	425	0	0	0	1	1	425	0	0	0
6	Masangwana ,S (Sazi)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Mhlomi ,N (Neo)	1	1	425	0	0	0	1	1	425	0	0	0
7	Mhlomi ,N (Neo)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Mzamo ,H (Hlengiwe)	1	1	425	0	0	0	1	1	425	0	0	0
8	Mzamo ,H (Hlengiwe)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Dube ,B (Brandon)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Dube ,B (Brandon)	1	1206.4	781.4	0	0	0	1	1200	781.4	0	0	0
10	Scheepers ,D (Danheen)	1	1	425	0	0	0	1	1	425	0	0	0
10	Scheepers ,D (Danheen)	1	1163.2	1588.2	0	0	0	1	1200	1588.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Mametja, R (Ryan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms