Chess South Africa Ratings Database

PLAYER PAGE

Personal

Potwana, Y (Yamkela)

Chess SA id

2110309406

FIDE id

Date of birth

2011-01-20 (U16)

Gender

Female

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1238.3	1256.2	1199.6	1200
Raw rating	1236	1252.7	1199.6	1200
Weighted rating	1238.3	1256.2	1199.5	1200
Weighted performance	0	0	0	0
Floor	765.5	780.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.5	153.8	165.9	165.8
Highest rating	1313.7 2024-08-01	1324 2024-08-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1265.5 2024-10-01	1280.8 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1265.5 2024-10-01	1280.8 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1313.7 2024-08-01	1324 2024-08-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.5	0.8	0	0
New rating	1238.8	1256.9	1199.6	1200
Analysis
Rating	1238.3	1256.2	1199.6	1200
Raw rating	1236	1252.7	1199.6	1200
Weighted rating	1238.3	1256.2	1199.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	765.5	780.8	700	700
Max/Min rating change allowed	157.5	153.8	165.9	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	1236	1252.7	1199.6	1200
New weighted rating	1238.8	1256.9	1199.5	1200
New weighted performance	0	0	0	0
Temp new rating	1238.8	1256.9	1199.6	1200
Temp new rating +/-	0.5	0.8	0	0
Final new rating +/-	0.5	0.8	0	0
New rating	1238.8	1256.9	1199.6	1200
New K-factor	36	36	36	36
New floor	765.5	780.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	13	6	7
	9	9	0
	0	0	0
	0	0	0
	0	0	0
History	22	15	7

Games since
	Main 22	Standard 15		Rapid 7		Blitz 0
Gender	Female
Age group	U16
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	13	3	23.08	-228.8	1273.9	1045.1
Standard	6	1	16.67	-283.3	1313.1	1029.8
Rapid	7	2	28.57	-182.1	1240.4	1058.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	9.5	43.18	-58	1242.9	1185
Standard	15	7.5	50	0	1244.1	1244.1
Rapid	7	2	28.57	-182.1	1240.4	1058.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1236	1252.7	1199.6	1200
2025-09-30	1236	1252.7	1199.6	1200
2025-09-01	1236	1252.7	1199.6	1200
2025-08-01	1236	1252.7	1199.6	1200
2025-07-01	1234.9	1251.1	1199.6	1200
2025-06-01	1231.1	1247.6	1199.6	1200
2025-05-01	1240	1280.8	1199.6	1200
2025-04-01	1240	1280.8	1199.3	1200
2025-03-01	1240	1280.8	1195.7	1200
2025-02-01	1265.5	1280.8	1200	1200
2025-01-01	1265.5	1280.8	1200	1200
2024-12-01	1265.5	1280.8	1200	1200
2024-11-01	1265.5	1280.8	1200	1200
2024-10-01	1265.5	1280.8	1200	1200
2024-09-01	1265.5	1280.8	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	2025 Buffalo City Chess Trials 3 (U16)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	0	0	No	Analysis
2	EC Open 2025 (Open)	2025-05-02	2025-05-02	Standard	Buffalo City (EBC)	7	0	0	No	Analysis
3	EC Open 2025 (U16-U20 Girls)	2025-05-02	2025-05-02	Standard	Buffalo City (EBC)	7	6	1	Yes	Analysis
4	Rapid Feb Leg 1 2025 (U16)	2025-02-15	2025-02-15	Rapid	Buffalo City (EBC)	7	1	0	Yes	Analysis
5	Beacon Bay Feb Rapid Chess Tournament 2025 (A)	2025-02-01	2025-02-01	Rapid	Buffalo City (EBC)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Buffalo City Chess Trials 3 (U16)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	0	0	No	Analysis
2	EC Open 2025 (Open)	2025-05-02	2025-05-02	Standard	Buffalo City (EBC)	7	0	0	No	Analysis
3	EC Open 2025 (U16-U20 Girls)	2025-05-02	2025-05-02	Standard	Buffalo City (EBC)	7	6	1	Yes	Analysis
4	Rapid Feb Leg 1 2025 (U16)	2025-02-15	2025-02-15	Rapid	Buffalo City (EBC)	7	1	0	Yes	Analysis
5	Beacon Bay Feb Rapid Chess Tournament 2025 (A)	2025-02-01	2025-02-01	Rapid	Buffalo City (EBC)	6	6	2	Yes	Analysis
6	Buffalo City District Schools Chess All Ages Championships 2024 (U13 Girls)	2024-08-10	2024-08-10	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
7	EL Schools Chess All Ages Festival 2024 (U13 Girls)	2024-08-03	2024-08-03	Standard	Buffalo City (EBC)	5	5	4.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament EL Schools Chess All Ages Festival 2024				Tournament Buffalo City District Schools Chess All Ages Championships 2024
		date 2024-08-03	rnd 1	type Standard	result 0.5	date 2024-08-10	rnd 2	type Standard	result 1
		Opponent Jali, S (Sikhona)				Opponent Nkohla, Z (Zingce)
2	2	Tournament Buffalo City District Schools Chess All Ages Championships 2024				Tournament Beacon Bay Feb Rapid Chess Tournament 2025
		date 2024-08-10	rnd 5	type Standard	result 1	date 2025-02-01	rnd 1	type Rapid	result 1
		Opponent Masondwana, M (Mangaliso)				Opponent Mazenjana, A (Alizwa)
3	1	Tournament EC Open 2025				Tournament EC Open 2025
		date 2025-05-02	rnd 7	type Standard	result 1	date 2025-05-02	rnd 7	type Standard	result 1
		Opponent Adabla, H (Helen Salasi)				Opponent Adabla, H (Helen Salasi)

#	Games	Start				End
1	6	Tournament EL Schools Chess All Ages Festival 2024				Tournament Buffalo City District Schools Chess All Ages Championships 2024
		date 2024-08-03	rnd 1	type Standard	result 0.5	date 2024-08-10	rnd 2	type Standard	result 1
		Opponent Jali, S (Sikhona)				Opponent Nkohla, Z (Zingce)
2	1	Tournament EC Open 2025				Tournament EC Open 2025
		date 2025-05-02	rnd 7	type Standard	result 1	date 2025-05-02	rnd 7	type Standard	result 1
		Opponent Adabla, H (Helen Salasi)				Opponent Adabla, H (Helen Salasi)
3	1	Tournament Buffalo City District Schools Chess All Ages Championships 2024				Tournament Buffalo City District Schools Chess All Ages Championships 2024
		date 2024-08-10	rnd 5	type Standard	result 1	date 2024-08-10	rnd 5	type Standard	result 1
		Opponent Masondwana, M (Mangaliso)				Opponent Masondwana, M (Mangaliso)

#	Games	Start				End
1	1	Tournament Beacon Bay Feb Rapid Chess Tournament 2025				Tournament Beacon Bay Feb Rapid Chess Tournament 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-01	rnd 5	type Rapid	result 1
		Opponent Ntlube, S (Sinobom)				Opponent Ntlube, S (Sinobom)
2	1	Tournament Beacon Bay Feb Rapid Chess Tournament 2025				Tournament Beacon Bay Feb Rapid Chess Tournament 2025
		date 2025-02-01	rnd 1	type Rapid	result 1	date 2025-02-01	rnd 1	type Rapid	result 1
		Opponent Mazenjana, A (Alizwa)				Opponent Mazenjana, A (Alizwa)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament EL Schools Chess All Ages Festival 2024				Tournament Buffalo City District Schools Chess All Ages Championships 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-08-10	rnd 2	type Standard	result 1
		Opponent Lefete, O (Oarabile)				Opponent Nkohla, Z (Zingce)
2	2	Tournament Buffalo City District Schools Chess All Ages Championships 2024				Tournament Beacon Bay Feb Rapid Chess Tournament 2025
		date 2024-08-10	rnd 5	type Standard	result 1	date 2025-02-01	rnd 1	type Rapid	result 1
		Opponent Masondwana, M (Mangaliso)				Opponent Mazenjana, A (Alizwa)
3	1	Tournament EC Open 2025				Tournament EC Open 2025
		date 2025-05-02	rnd 7	type Standard	result 1	date 2025-05-02	rnd 7	type Standard	result 1
		Opponent Adabla, H (Helen Salasi)				Opponent Adabla, H (Helen Salasi)

#	Games	Start				End
1	5	Tournament EL Schools Chess All Ages Festival 2024				Tournament Buffalo City District Schools Chess All Ages Championships 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-08-10	rnd 2	type Standard	result 1
		Opponent Lefete, O (Oarabile)				Opponent Nkohla, Z (Zingce)
2	1	Tournament EC Open 2025				Tournament EC Open 2025
		date 2025-05-02	rnd 7	type Standard	result 1	date 2025-05-02	rnd 7	type Standard	result 1
		Opponent Adabla, H (Helen Salasi)				Opponent Adabla, H (Helen Salasi)
3	1	Tournament Buffalo City District Schools Chess All Ages Championships 2024				Tournament Buffalo City District Schools Chess All Ages Championships 2024
		date 2024-08-10	rnd 5	type Standard	result 1	date 2024-08-10	rnd 5	type Standard	result 1
		Opponent Masondwana, M (Mangaliso)				Opponent Masondwana, M (Mangaliso)

#	Games	Start				End
1	1	Tournament Beacon Bay Feb Rapid Chess Tournament 2025				Tournament Beacon Bay Feb Rapid Chess Tournament 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-01	rnd 5	type Rapid	result 1
		Opponent Ntlube, S (Sinobom)				Opponent Ntlube, S (Sinobom)
2	1	Tournament Beacon Bay Feb Rapid Chess Tournament 2025				Tournament Beacon Bay Feb Rapid Chess Tournament 2025
		date 2025-02-01	rnd 1	type Rapid	result 1	date 2025-02-01	rnd 1	type Rapid	result 1
		Opponent Mazenjana, A (Alizwa)				Opponent Mazenjana, A (Alizwa)

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	Sidlayi ,O (Onako)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Sidlayi ,O (Onako)	2	1254.9	829.9	2	1282.1	829.9	0	0	0	0	0	0
2	Nkohla ,Z (Zingce)	2	2	425	2	2	425	0	0	0	0	0	0
2	Nkohla ,Z (Zingce)	2	1197	1622	2	1218.7	1622	0	0	0	0	0	0
3	Masondwana ,M (Mangaliso)	2	2	425	2	2	425	0	0	0	0	0	0
3	Masondwana ,M (Mangaliso)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
4	Tywantsi ,O (Olwakhe)	1	1	425	1	1	425	0	0	0	0	0	0
4	Tywantsi ,O (Olwakhe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	George ,A (Alaina)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	George ,A (Alaina)	1	1292.2	867.2	1	1266.4	867.2	0	0	0	0	0	0
6	Msola ,A (Amber)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Msola ,A (Amber)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	August ,S (Siyolise)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	August ,S (Siyolise)	1	1472.5	1047.5	1	1456.1	1047.5	0	0	0	0	0	0
8	Ranjith ,A (Aishwarya)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ranjith ,A (Aishwarya)	1	1522.9	1097.9	1	1514.7	1097.9	0	0	0	0	0	0
9	Vassan ,B (Bhakti)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Vassan ,B (Bhakti)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Adabla ,H (Helen Salasi)	1	1	425	1	1	425	0	0	0	0	0	0
10	Adabla ,H (Helen Salasi)	1	1070.5	1495.5	1	1076.1	1495.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Potwana, Y (Yamkela)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms