Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mjandana, O (Olereko)

Chess SA id

1110307725

FIDE id

Date of birth

2011-10-08 (U16)

Gender

Male

Region

Pixley-ka-Seme (NCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-10-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1157.6	1150.5	1200	1200
Raw rating	1157.6	1150.5	1200	1200
Weighted rating	1151.3	1143.2	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	176.2	177.9	165.8	165.8
Highest rating	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1157.6	1150.5	1200	1200
Analysis
Rating	1157.6	1150.5	1200	1200
Raw rating	1157.6	1150.5	1200	1200
Weighted rating	1151.3	1143.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	176.2	177.9	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	1157.6	1150.5	1200	1200
New weighted rating	1151.1	1143	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1157.6	1150.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1157.6	1150.5	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	13	13
	0	0
	0	0
	0	0
History	13	13

Games since
	Main 13	Standard 13		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Pixley-ka-Seme (NCP)
Province	Northern Cape (NC)
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	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	13	3	23.08	-228.8	1193.9	965
Standard	13	3	23.08	-228.8	1193.9	965
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1157.6	1150.5	1200	1200
2025-09-30	1157.6	1150.5	1200	1200
2025-09-01	1157.6	1150.5	1200	1200
2025-08-01	1157.6	1150.5	1200	1200
2025-07-01	1157.6	1150.5	1200	1200
2025-06-01	1157.6	1150.5	1200	1200
2025-05-01	1157.6	1150.5	1200	1200
2025-04-01	1157.6	1150.5	1200	1200
2025-03-01	1157.6	1150.5	1200	1200
2025-02-01	1155.5	1148.2	1200	1200
2025-01-01	1109.2	1096.4	1200	1200
2024-12-01	1109.2	1096.4	1200	1200
2024-11-01	1109.2	1096.4	1200	1200
2024-10-01	1086.7	1064.8	1200	1200
2024-09-01	1086.7	1064.8	1200	1200
2024-08-01	1157.3	1147.2	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	2025 HSDA School Chess Tournament (U15)	2025-02-08	2025-02-08	Standard	Pixley-ka-Seme (NCP)	5	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 HSDA School Chess Tournament (U15)	2025-02-08	2025-02-08	Standard	Pixley-ka-Seme (NCP)	5	0	0	No	Analysis
2	2024 Frances Baard Open 6.0 (C)	2024-10-05	2024-10-05	Standard	Frances Baard (NCF)	5	5	2	Yes	Analysis
3	Hopetown Schools Chess Tournament 2024 (U13)	2024-08-17	2024-08-17	Standard	Pixley-ka-Seme (NCP)	5	4	0	Yes	Analysis
4	2024 HSDA Open 3 (U13)	2024-07-27	2024-07-27	Standard	Pixley-ka-Seme (NCP)	5	4	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament 2024 Frances Baard Open 6.0				Tournament 2024 Frances Baard Open 6.0
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-05	rnd 3	type Standard	result 1
		Opponent Ruiters, M (Melandre)				Opponent Ruiters, M (Melandre)
2	1	Tournament 2024 Frances Baard Open 6.0				Tournament 2024 Frances Baard Open 6.0
		date 2024-10-05	rnd 1	type Standard	result 1	date 2024-10-05	rnd 1	type Standard	result 1
		Opponent Dodd, J (Jaden)				Opponent Dodd, J (Jaden)
3	1	Tournament 2024 HSDA Open 3				Tournament 2024 HSDA Open 3
		date 2024-07-27	rnd 4	type Standard	result 0.5	date 2024-07-27	rnd 4	type Standard	result 0.5
		Opponent Jobs, L (Lira)				Opponent Jobs, L (Lira)

#	Games	Start				End
1	1	Tournament 2024 Frances Baard Open 6.0				Tournament 2024 Frances Baard Open 6.0
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-05	rnd 3	type Standard	result 1
		Opponent Ruiters, M (Melandre)				Opponent Ruiters, M (Melandre)
2	1	Tournament 2024 Frances Baard Open 6.0				Tournament 2024 Frances Baard Open 6.0
		date 2024-10-05	rnd 1	type Standard	result 1	date 2024-10-05	rnd 1	type Standard	result 1
		Opponent Dodd, J (Jaden)				Opponent Dodd, J (Jaden)
3	1	Tournament 2024 HSDA Open 3				Tournament 2024 HSDA Open 3
		date 2024-07-27	rnd 4	type Standard	result 0.5	date 2024-07-27	rnd 4	type Standard	result 0.5
		Opponent Jobs, L (Lira)				Opponent Jobs, L (Lira)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2024 Frances Baard Open 6.0				Tournament 2024 Frances Baard Open 6.0
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-05	rnd 3	type Standard	result 1
		Opponent Ruiters, M (Melandre)				Opponent Ruiters, M (Melandre)
2	1	Tournament 2024 Frances Baard Open 6.0				Tournament 2024 Frances Baard Open 6.0
		date 2024-10-05	rnd 1	type Standard	result 1	date 2024-10-05	rnd 1	type Standard	result 1
		Opponent Dodd, J (Jaden)				Opponent Dodd, J (Jaden)

#	Games	Start				End
1	1	Tournament 2024 Frances Baard Open 6.0				Tournament 2024 Frances Baard Open 6.0
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-05	rnd 3	type Standard	result 1
		Opponent Ruiters, M (Melandre)				Opponent Ruiters, M (Melandre)
2	1	Tournament 2024 Frances Baard Open 6.0				Tournament 2024 Frances Baard Open 6.0
		date 2024-10-05	rnd 1	type Standard	result 1	date 2024-10-05	rnd 1	type Standard	result 1
		Opponent Dodd, J (Jaden)				Opponent Dodd, J (Jaden)

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	Fischer ,C (Carlanda)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Fischer ,C (Carlanda)	2	1140.4	927.9	2	1123	927.9	0	0	0	0	0	0
2	Biko ,L (Lihlumile)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Biko ,L (Lihlumile)	2	1073.2	648.2	2	1061.6	648.2	0	0	0	0	0	0
3	Jobs ,L (Lira)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Jobs ,L (Lira)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
4	Ross ,E (Ebenezer)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Ross ,E (Ebenezer)	1	1412.1	987.1	1	1396.4	987.1	0	0	0	0	0	0
5	Botha ,A (Ane)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Botha ,A (Ane)	1	1164.4	739.4	1	1176.3	739.4	0	0	0	0	0	0
6	Matthys ,A (Ayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Matthys ,A (Ayden)	1	1431.5	1006.5	1	1438.1	1006.5	0	0	0	0	0	0
7	Dodd ,J (Jaden)	1	1	425	1	1	425	0	0	0	0	0	0
7	Dodd ,J (Jaden)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Ruiters ,M (Melandre)	1	1	425	1	1	425	0	0	0	0	0	0
8	Ruiters ,M (Melandre)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Potgieter ,M (Martin-Juan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Potgieter ,M (Martin-Juan)	1	1169.8	744.8	1	1171.2	744.8	0	0	0	0	0	0
10	Matekwe ,E (Elsa)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Matekwe ,E (Elsa)	1	1152.2	727.2	1	1140.4	727.2	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

Mjandana, O (Olereko)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms