Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mametja, O (Oarabile)

Chess SA id

108069915

FIDE id

Date of birth

2008-07-20 (U18)

Gender

Male

Region

Nkangala (MNW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1341.2	1237.3	1164.2	850.2
Raw rating	1341.2	1237.3	1164.2	850.2
Weighted rating	1341.2	1237.3	1164.2	850.2
Weighted performance	327.3	321.8	0	0
Floor	852.9	737.3	664.2	500
K-factor	36	36	40	40
Min/Max rating change allowed	135.6	157.2	174.5	272.9
Highest rating	1373.5 2019-04-01	1404.3 2019-02-01	1281.3 2019-02-01	1200 2024-02-01
Highest raw rating	1352.9 2020-03-01	1237.3 2024-02-01	1164.2 2024-02-01	850.2 2024-02-01
Highest weighted rating	1352.9 2021-02-01	1237.3 2024-02-01	1164.2 2024-11-01	850.2 2024-11-01
Highest weighted performance	1373.5 2019-04-01	1404.3 2019-02-01	1281.3 2019-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1341.2	1237.3	1164.2	850.2
Analysis
Rating	1341.2	1237.3	1164.2	850.2
Raw rating	1341.2	1237.3	1164.2	850.2
Weighted rating	1341.2	1237.3	1164.2
Weighted performance	327.3	321.8	0
K-factor	36	36	40	40
Floor	852.9	737.3	664.2	500
Max/Min rating change allowed	135.6	157.2	174.5	272.9
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	1341.2	1237.3	1164.2	850.2
New weighted rating	1341.2	1237.3	1164.2	850.2
New weighted performance	319.5	314.1	0	0
Temp new rating	1341.2	1237.3	1164.2	850.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1341.2	1237.3	1164.2	850.2
New K-factor	36	36	40	40
New floor	852.9	737.3	664.2	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	132	102	30

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Nkangala (MNW)
Province	Mpumalanga (MP)
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	50	43	86	306	1008.2	1314.2
Standard	30	26	86.67	311.7	1036.6	1348.2
Rapid	20	17	85	297.5	965.8	1263.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1341.2	1237.3	1164.2	850.2
2025-09-30	1341.2	1237.3	1164.2	850.2
2025-09-01	1341.2	1237.3	1164.2	850.2
2025-08-01	1341.2	1237.3	1164.2	850.2
2025-07-01	1341.2	1237.3	1164.2	850.2
2025-06-01	1341.2	1237.3	1164.2	850.2
2025-05-01	1341.2	1237.3	1164.2	850.2
2025-04-01	1341.2	1237.3	1164.2	850.2
2025-03-01	1341.2	1237.3	1164.2	850.2
2025-02-01	1341.2	1237.3	1164.2	850.2
2025-01-01	1341.2	1237.3	1164.2	850.2
2024-12-01	1341.2	1237.3	1164.2	850.2
2024-11-01	1341.2	1237.3	1164.2	850.2
2024-10-01	1341.2	1237.3	1164.2	850.2
2024-09-01	1341.2	1237.3	1164.2	850.2
2024-08-01	1341.2	1237.3	1164.2	850.2
2024-07-01	1341.2	1237.3	1164.2	850.2
2024-09-01	1341.2	1237.3	1164.2	850.2
2024-05-01	1341.2	1237.3	1164.2	850.2
2024-04-01	1341.2	1237.3	1164.2	850.2
2024-03-01	1341.2	1237.3	1164.2	850.2
2024-02-01	1341.2	1237.3	1164.2	850.2
2024-01-01	1341.2	1237.3	1164.2	850.2
2023-12-01	1341.2	1237.3	1164.2	850.2

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	Nkangala 3rd Tournament HTS Witbank 2020 (C)	2020-03-07	2020-03-07	Standard	Nkangala (MNW)	5	5	3	Yes	Analysis
2	Nkangala 2nd Tournament St Thomas Aquinas School 2020 (C)	2020-02-08	2020-02-08	Standard	Nkangala (MNW)	5	5	4	Yes	Analysis
3	Nkangala 4th Tournament Steelcrest High School - Middelburg 2019 (F)	2019-05-04	2019-05-04	Standard	Nkangala (MNW)	5	5	4.5	Yes	Analysis
4	Nkangala 3rd Tournament St Thomas Aquinas School - Witbank 2019 (F)	2019-04-13	2019-04-13	Standard	Nkangala (MNW)	5	5	4.5	Yes	Analysis
5	Nkangala 2nd Tournament St Thomas Aquinas School 2019 (E)	2019-02-23	2019-02-23	Standard	Nkangala (MNW)	5	5	5	Yes	Analysis
6	Nkangala 1st Tournamant Laerskool President CR Swart 2019 (E)	2019-02-02	2019-02-02	Rapid	Nkangala (MNW)	5	5	5	Yes	Analysis
7	Nkangala 5th Tournament Laerskool Panorama - Witbank 2018 (E-G)	2018-07-28	2018-07-28	Standard	Nkangala (MNW)	5	5	5	Yes	Analysis
8	3rd Nkangala Tournament Curro School 2018 (E)	2018-03-24	2018-03-24	Rapid	Nkangala (MNW)	5	5	4	Yes	Analysis
9	Nkangala 1st Tournament Curro - Witbank 2018 (E)	2018-02-24	2018-02-24	Rapid	Nkangala (MNW)	5	5	5	Yes	Analysis
10	Nkangala 1st Tournament Curro - Witbank 2018 (D+E)	2018-01-27	2018-01-27	Rapid	Nkangala (MNW)	5	5	3	Yes	Analysis

#	Games	Start				End
1	36	Tournament 3rd Nkangala Tournament Curro School 2018				Tournament Nkangala 3rd Tournament HTS Witbank 2020
		date 2018-03-24	rnd 4	type Rapid	result 1	date 2020-03-07	rnd 4	type Standard	result 0.5
		Opponent Nkosi, S (Siphesihle)				Opponent Phepeng, T (Tshegofatso)
2	8	Tournament Nkangala 1st Tournament Curro - Witbank 2018				Tournament 3rd Nkangala Tournament Curro School 2018
		date 2018-01-27	rnd 5	type Rapid	result 1	date 2018-03-24	rnd 2	type Rapid	result 1
		Opponent Janse Van Rensburg, N (Nathan)				Opponent Simango, H (Hope)
3	2	Tournament Nkangala 1st Tournament Curro - Witbank 2018				Tournament Nkangala 1st Tournament Curro - Witbank 2018
		date 2018-01-27	rnd 2	type Rapid	result 1	date 2018-01-27	rnd 3	type Rapid	result 1
		Opponent Makgobe, T (Tshegofatso)				Opponent Van Lingen, R (Ruwan)

#	Games	Start				End
1	29	Tournament Nkangala 5th Tournament Laerskool Panorama - Witbank 2018				Tournament Nkangala 3rd Tournament HTS Witbank 2020
		date 2018-07-28	rnd 1	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 0.5
		Opponent Mapota, O (Oreagile)				Opponent Phepeng, T (Tshegofatso)

#	Games	Start				End
1	8	Tournament Nkangala 1st Tournament Curro - Witbank 2018				Tournament 3rd Nkangala Tournament Curro School 2018
		date 2018-01-27	rnd 5	type Rapid	result 1	date 2018-03-24	rnd 2	type Rapid	result 1
		Opponent Janse Van Rensburg, N (Nathan)				Opponent Simango, H (Hope)
2	7	Tournament 3rd Nkangala Tournament Curro School 2018				Tournament Nkangala 1st Tournamant Laerskool President CR Swart 2019
		date 2018-03-24	rnd 4	type Rapid	result 1	date 2019-02-02	rnd 5	type Rapid	result 1
		Opponent Nkosi, S (Siphesihle)				Opponent Mhlope, Z (Ziyanda)
3	2	Tournament Nkangala 1st Tournament Curro - Witbank 2018				Tournament Nkangala 1st Tournament Curro - Witbank 2018
		date 2018-01-27	rnd 2	type Rapid	result 1	date 2018-01-27	rnd 3	type Rapid	result 1
		Opponent Makgobe, T (Tshegofatso)				Opponent Van Lingen, R (Ruwan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	21	Tournament 3rd Nkangala Tournament Curro School 2018				Tournament Nkangala 3rd Tournament St Thomas Aquinas School - Witbank 2019
		date 2018-03-24	rnd 4	type Rapid	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Nkosi, S (Siphesihle)				Opponent Motuku, A (Atlegang)
2	8	Tournament Nkangala 1st Tournament Curro - Witbank 2018				Tournament 3rd Nkangala Tournament Curro School 2018
		date 2018-01-27	rnd 5	type Rapid	result 1	date 2018-03-24	rnd 2	type Rapid	result 1
		Opponent Janse Van Rensburg, N (Nathan)				Opponent Simango, H (Hope)
3	5	Tournament Nkangala 4th Tournament Steelcrest High School - Middelburg 2019				Tournament Nkangala 2nd Tournament St Thomas Aquinas School 2020
		date 2019-05-04	rnd 3	type Standard	result 1	date 2020-02-08	rnd 2	type Standard	result 1
		Opponent Mhlophe, Z (Ziyanda)				Opponent Mashego, T (Toka)

#	Games	Start				End
1	14	Tournament Nkangala 5th Tournament Laerskool Panorama - Witbank 2018				Tournament Nkangala 3rd Tournament St Thomas Aquinas School - Witbank 2019
		date 2018-07-28	rnd 1	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Mapota, O (Oreagile)				Opponent Motuku, A (Atlegang)
2	5	Tournament Nkangala 4th Tournament Steelcrest High School - Middelburg 2019				Tournament Nkangala 2nd Tournament St Thomas Aquinas School 2020
		date 2019-05-04	rnd 3	type Standard	result 1	date 2020-02-08	rnd 2	type Standard	result 1
		Opponent Mhlophe, Z (Ziyanda)				Opponent Mashego, T (Toka)
3	3	Tournament Nkangala 2nd Tournament St Thomas Aquinas School 2020				Tournament Nkangala 3rd Tournament HTS Witbank 2020
		date 2020-02-08	rnd 5	type Standard	result 1	date 2020-03-07	rnd 2	type Standard	result 1
		Opponent Mnisi, T (Thembelihle)				Opponent Tshehla, N (Nozintombi)

#	Games	Start				End
1	8	Tournament Nkangala 1st Tournament Curro - Witbank 2018				Tournament 3rd Nkangala Tournament Curro School 2018
		date 2018-01-27	rnd 5	type Rapid	result 1	date 2018-03-24	rnd 2	type Rapid	result 1
		Opponent Janse Van Rensburg, N (Nathan)				Opponent Simango, H (Hope)
2	7	Tournament 3rd Nkangala Tournament Curro School 2018				Tournament Nkangala 1st Tournamant Laerskool President CR Swart 2019
		date 2018-03-24	rnd 4	type Rapid	result 1	date 2019-02-02	rnd 5	type Rapid	result 1
		Opponent Nkosi, S (Siphesihle)				Opponent Mhlope, Z (Ziyanda)
3	2	Tournament Nkangala 1st Tournament Curro - Witbank 2018				Tournament Nkangala 1st Tournament Curro - Witbank 2018
		date 2018-01-27	rnd 2	type Rapid	result 1	date 2018-01-27	rnd 3	type Rapid	result 1
		Opponent Makgobe, T (Tshegofatso)				Opponent Van Lingen, R (Ruwan)

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	Phepeng ,T (Tshegofatso)	6	4.5	212.5	5	3.5	170	1	1	425	0	0	0
1	Phepeng ,T (Tshegofatso)	6	1237.6	1450.1	5	1238.9	1407.6	1	1200	1662.6	0	0	0
2	Mathabatha ,N (Naledi)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
2	Mathabatha ,N (Naledi)	3	826.2	1109.5	3	738.4	1109.5	0	0	0	0	0	0
3	Nkosi ,S (Siphesihle)	3	2	141.7	2	1	0	1	1	425	0	0	0
3	Nkosi ,S (Siphesihle)	3	802.1	943.7	2	898	802.1	1	500	1227.1	0	0	0
4	Smith ,T (Tara)	2	2	425	2	2	425	0	0	0	0	0	0
4	Smith ,T (Tara)	2	726.8	1151.8	2	672.4	1151.8	0	0	0	0	0	0
5	De Klerk ,F (Frederik)	2	2	425	0	0	0	2	2	425	0	0	0
5	De Klerk ,F (Frederik)	2	1185.5	1610.5	0	0	0	2	1174.4	1610.5	0	0	0
6	Meyer ,K (Kaitlin)	2	1	0	0	0	0	2	1	0	0	0	0
6	Meyer ,K (Kaitlin)	2	900.5	900.5	0	0	0	2	876	900.5	0	0	0
7	Motuku ,A (Atlegang)	1	1	425	1	1	425	0	0	0	0	0	0
7	Motuku ,A (Atlegang)	1	1175.5	1600.5	1	1198.8	1600.5	0	0	0	0	0	0
8	Mhlophe ,Z (Ziyanda)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mhlophe ,Z (Ziyanda)	1	733.3	1158.3	1	675	1158.3	0	0	0	0	0	0
9	Van Wyk ,A (Annemie)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Wyk ,A (Annemie)	1	1111.9	1536.9	1	1120.4	1536.9	0	0	0	0	0	0
10	Phetlho ,J (Junior)	1	1	425	1	1	425	0	0	0	0	0	0
10	Phetlho ,J (Junior)	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

Mametja, O (Oarabile)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms