Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kimobana, R (Rony)

Chess SA id

1100305166

FIDE id

Date of birth

2010-01-16 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1374.2	1224	1272.9	1200
Raw rating	1374.2	1224	1272.9	1200
Weighted rating	1283.4	1221.8	1236.4	1200
Weighted performance	1329.8	0	0	0
Floor	874.2	724	772.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	129.4	160.2	149.4	165.8
Highest rating	1374.2 2025-07-01	1342.4 2024-05-01	1272.9 2025-07-01	1200 2024-05-01
Highest raw rating	1374.2 2025-07-01	1224 2024-06-01	1272.9 2025-07-01	1200 2024-05-01
Highest weighted rating	1262.4 2025-08-01	1224 2024-10-01	1227.5 2025-08-01	1200 2024-05-01
Highest weighted performance	1374.2 2025-07-01	1342.4 2024-05-01	1237.3 2024-10-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1374.2	1224	1272.9	1200
Analysis
Rating	1374.2	1224	1272.9	1200
Raw rating	1374.2	1224	1272.9	1200
Weighted rating	1283.4	1221.8	1236.4
Weighted performance	1329.8	0	0
K-factor	36	36	36	36
Floor	874.2	724	772.9	700
Max/Min rating change allowed	129.4	160.2	149.4	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	1374.2	1224	1272.9	1200
New weighted rating	1293.1	1222.3	1240.4	1200
New weighted performance	1329.3	0	0	0
Temp new rating	1374.2	1224	1272.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1374.2	1224	1272.9	1200
New K-factor	36	36	36	36
New floor	874.2	724	772.9	700

Item	Main	Standard	Rapid
	0	0	0
	13	0	13
	9	4	5
	0	0	0
	0	0	0
	0	0	0
History	22	4	18

Games since
	Main 22	Standard 4		Rapid 18		Blitz 0
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	13	8	61.54	98.1	1394	1492
Standard	0	0	0	0	0	0
Rapid	13	8	61.54	98.1	1394	1492
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	13	59.09	77.3	1375.1	1452.4
Standard	4	1.5	37.5	-106.2	1429	1322.8
Rapid	18	11.5	63.89	118.1	1363.1	1481.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1374.2	1224	1272.9	1200
2025-09-01	1374.2	1224	1272.9	1200
2025-08-01	1374.2	1224	1272.9	1200
2025-07-01	1374.2	1224	1272.9	1200
2025-06-01	1286.8	1224	1265.2	1200
2025-05-01	1286.8	1224	1265.2	1200
2025-04-01	1268.4	1224	1243.6	1200
2025-03-01	1250.5	1224	1213.6	1200
2025-02-01	1250.5	1224	1213.6	1200
2025-01-01	1250.5	1224	1213.6	1200
2024-12-01	1250.5	1224	1213.6	1200
2024-11-01	1250.5	1224	1213.6	1200
2024-10-01	1218.9	1224	1200	1200
2024-09-01	1218.9	1224	1200	1200
2024-08-01	1218.9	1224	1200	1200
2024-07-01	1218.9	1224	1200	1200
2024-06-01	1218.9	1224	1200	1200
2024-08-01	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
2023-11-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Soweto Chess Festival 2025 (U16)	2025-09-27	2025-09-27	Rapid	Johannesburg Metro (GJM)	4	4	3	Yes	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Soweto Chess Festival 2025 (U16)	2025-09-27	2025-09-27	Rapid	Johannesburg Metro (GJM)	4	4	3	Yes	Analysis
2	Ekurhuleni Trials 2025 (D)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	0	0	No	Analysis
3	Chess Power House Youth Day Rapid 2025 (A)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	4	2	Yes	Analysis
4	Chess Molecules Open Tournament 2025 (A)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	UJ Scholars 1st Edition 2025 (U15)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	4	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Soweto Chess Festival 2025 (U16)	2025-09-27	2025-09-27	Rapid	Johannesburg Metro (GJM)	4	4	3	Yes	Analysis
2	Ekurhuleni Trials 2025 (D)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	0	0	No	Analysis
3	Chess Power House Youth Day Rapid 2025 (A)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	4	2	Yes	Analysis
4	Chess Molecules Open Tournament 2025 (A)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	UJ Scholars 1st Edition 2025 (U15)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	4	3	Yes	Analysis
6	Gauteng Top Schools 2024 (U17 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
7	Chess Power House May Open 2024 (B)	2024-05-25	2024-05-25	Standard	Johannesburg Metro (GJM)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Chess Power House May Open 2024				Tournament Gauteng Top Schools 2024
		date 2024-05-25	rnd 5	type Standard	result 0.5	date 2024-10-05	rnd 3	type Rapid	result 1
		Opponent Deysel, H (Hannah)				Opponent Mokoena, M (Mpho)
2	3	Tournament Gauteng Top Schools 2024				Tournament UJ Scholars 1st Edition 2025
		date 2024-10-05	rnd 5	type Rapid	result 1	date 2025-03-15	rnd 3	type Rapid	result 1
		Opponent Ngwenya, N (Ndaloenhle Nhlanhla)				Opponent Nephawe, V (Vhugala)
3	2	Tournament UJ Scholars 1st Edition 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-03-15	rnd 5	type Rapid	result 1	date 2025-04-19	rnd 1	type Rapid	result 1
		Opponent Mangwiro, A (Atinzwaishe)				Opponent Nolan, C (Christopher)

#	Games	Start				End
1	1	Tournament Chess Power House May Open 2024				Tournament Chess Power House May Open 2024
		date 2024-05-25	rnd 5	type Standard	result 0.5	date 2024-05-25	rnd 5	type Standard	result 0.5
		Opponent Deysel, H (Hannah)				Opponent Deysel, H (Hannah)
2	1	Tournament Chess Power House May Open 2024				Tournament Chess Power House May Open 2024
		date 2024-05-25	rnd 3	type Standard	result 1	date 2024-05-25	rnd 3	type Standard	result 1
		Opponent Ntombela, K (Khanya)				Opponent Ntombela, K (Khanya)

#	Games	Start				End
1	3	Tournament Gauteng Top Schools 2024				Tournament UJ Scholars 1st Edition 2025
		date 2024-10-05	rnd 5	type Rapid	result 1	date 2025-03-15	rnd 3	type Rapid	result 1
		Opponent Ngwenya, N (Ndaloenhle Nhlanhla)				Opponent Nephawe, V (Vhugala)
2	3	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 3	type Rapid	result 1
		Opponent Kambule, J (Justin)				Opponent Mokoena, M (Mpho)
3	2	Tournament UJ Scholars 1st Edition 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-03-15	rnd 5	type Rapid	result 1	date 2025-04-19	rnd 1	type Rapid	result 1
		Opponent Mangwiro, A (Atinzwaishe)				Opponent Nolan, C (Christopher)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Gauteng Top Schools 2024				Tournament UJ Scholars 1st Edition 2025
		date 2024-10-05	rnd 5	type Rapid	result 1	date 2025-03-15	rnd 3	type Rapid	result 1
		Opponent Ngwenya, N (Ndaloenhle Nhlanhla)				Opponent Nephawe, V (Vhugala)
2	2	Tournament UJ Scholars 1st Edition 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-03-15	rnd 5	type Rapid	result 1	date 2025-04-19	rnd 1	type Rapid	result 1
		Opponent Mangwiro, A (Atinzwaishe)				Opponent Nolan, C (Christopher)
3	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 5	type Rapid	result 1	date 2025-06-16	rnd 5	type Rapid	result 1
		Opponent Mcpherson, N (Naleli)				Opponent Mcpherson, N (Naleli)

#	Games	Start				End
1	1	Tournament Chess Power House May Open 2024				Tournament Chess Power House May Open 2024
		date 2024-05-25	rnd 3	type Standard	result 1	date 2024-05-25	rnd 3	type Standard	result 1
		Opponent Ntombela, K (Khanya)				Opponent Ntombela, K (Khanya)

#	Games	Start				End
1	3	Tournament Gauteng Top Schools 2024				Tournament UJ Scholars 1st Edition 2025
		date 2024-10-05	rnd 5	type Rapid	result 1	date 2025-03-15	rnd 3	type Rapid	result 1
		Opponent Ngwenya, N (Ndaloenhle Nhlanhla)				Opponent Nephawe, V (Vhugala)
2	2	Tournament UJ Scholars 1st Edition 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-03-15	rnd 5	type Rapid	result 1	date 2025-04-19	rnd 1	type Rapid	result 1
		Opponent Mangwiro, A (Atinzwaishe)				Opponent Nolan, C (Christopher)
3	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 5	type Rapid	result 1	date 2025-06-16	rnd 5	type Rapid	result 1
		Opponent Mcpherson, N (Naleli)				Opponent Mcpherson, N (Naleli)

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	Arokiam ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Arokiam ,E (Ethan)	1	1334	909	1	1357	909	0	0	0	0	0	0
2	Ntombela ,K (Khanya)	1	1	425	1	1	425	0	0	0	0	0	0
2	Ntombela ,K (Khanya)	1	1336.2	1761.2	1	1340.9	1761.2	0	0	0	0	0	0
3	Moustakis ,C (Costa)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Moustakis ,C (Costa)	1	1467.4	1042.4	1	1474	1042.4	0	0	0	0	0	0
4	Deysel ,H (Hannah)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Deysel ,H (Hannah)	1	1578.2	1578.2	1	1578.9	1578.2	0	0	0	0	0	0
5	Mangwiro ,A (Atinzwaishe)	1	1	425	0	0	0	1	1	425	0	0	0
5	Mangwiro ,A (Atinzwaishe)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
6	Dube ,A (Asher)	1	1	425	0	0	0	1	1	425	0	0	0
6	Dube ,A (Asher)	1	1247.4	1672.4	0	0	0	1	1178.4	1672.4	0	0	0
7	Mcpherson ,N (Naleli)	1	1	425	0	0	0	1	1	425	0	0	0
7	Mcpherson ,N (Naleli)	1	1644.7	2069.7	0	0	0	1	1633.2	2069.7	0	0	0
8	Malaba ,U (Ushindi)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Malaba ,U (Ushindi)	1	1717.8	1292.8	0	0	0	1	578.9	1292.8	0	0	0
9	Nephawe ,V (Vhugala)	1	1	425	0	0	0	1	1	425	0	0	0
9	Nephawe ,V (Vhugala)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Ngwenya ,N (Ndaloenhle Nhlanhla)	1	1	425	0	0	0	1	1	425	0	0	0
10	Ngwenya ,N (Ndaloenhle Nhlanhla)	1	1306.4	1731.4	0	0	0	1	1200	1731.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Kimobana, R (Rony)

Ratings

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Last 24 raw ratings

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Top 3 Streaks

Top 10 opponents most often played

Norms