Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kimobana, R (Rony)

Chess SA id

1100305166

FIDE id

Date of birth

2010-01-16 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1475.1	1325.2	1364.4	1200
Raw rating	1448.1	1325.2	1364.4	1200
Weighted rating	1326.1	1241.9	1268.8	1200
Weighted performance	1475.1	0	1302.4	0
Floor	948.1	825.2	864.4	700
K-factor	32	36	36	36
Min/Max rating change allowed	116.4	138.7	131.2	165.8
Highest rating	1492 2025-11-30	1342.4 2024-05-01	1364.4 2025-11-01	1200 2024-05-01
Highest raw rating	1448.1 2025-11-30	1325.2 2025-11-30	1364.4 2025-11-01	1200 2024-05-01
Highest weighted rating	1312.1 2025-11-30	1233.9 2025-11-30	1247.7 2025-11-01	1200 2024-05-01
Highest weighted performance	1492 2025-11-30	1342.4 2024-05-01	1331.6 2025-11-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-10	0	0	0
New rating	1465.1	1325.2	1364.4	1200
Analysis
Rating	1475.1	1325.2	1364.4	1200
Raw rating	1448.1	1325.2	1364.4	1200
Weighted rating	1326.1	1241.9	1268.8
Weighted performance	1475.1	0	1302.4
K-factor	32	36	36	36
Floor	948.1	825.2	864.4	700
Max/Min rating change allowed	116.4	138.7	131.2	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	1448.1	1325.2	1364.4	1200
New weighted rating	1339.3	1249.5	1278.6	1200
New weighted performance	1465.1	0	1293.3	0
Temp new rating	1465.1	1325.2	1364.4	1200
Temp new rating +/-	-10	0	0	0
Final new rating +/-	-10	0	0	0
New rating	1465.1	1325.2	1364.4	1200
New K-factor	32	36	36	36
New floor	948.1	825.2	864.4	700

Item	Main	Standard	Rapid
	0	0	0
	32	10	22
	9	4	5
	0	0	0
	0	0	0
	0	0	0
History	41	14	27

Games since
	Main 41	Standard 14		Rapid 27		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1325		456		158
Male	1127		379		132
U16	163		52		17
U16 Male	130		39		13
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	703		115		55
Male	588		90		48
U16	102		13		7
U16 Male	80		8		6
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	32	21.5	67.19	146.1	1371.2	1517.3
Standard	10	6	60	85	1423.3	1508.3
Rapid	22	15.5	70.45	173.9	1347.5	1521.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	41	26.5	64.63	124.4	1366	1490.4
Standard	14	7.5	53.57	30.4	1424.9	1455.3
Rapid	27	19	70.37	173.1	1335.5	1508.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1448.1	1325.2	1364.4	1200
2025-11-30	1448.1	1325.2	1364.4	1200
2025-11-01	1427.4	1262.9	1364.4	1200
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
2024-11-01	1218.9	1224	1200	1200
2024-07-01	1218.9	1224	1200	1200
2024-06-01	1218.9	1224	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

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	Chess Power House October Open 2025 (B)	2025-10-25	2025-10-25	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	2025 Gauteng Top Schools Teams (U17)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	Chess Molecules Rapid 2025 (A)	2025-09-20	2025-09-20	Rapid	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
4	Soweto Chess Festival 2025 (U16)	2025-09-27	2025-09-27	Rapid	Johannesburg Metro (GJM)	4	4	3	Yes	Analysis
5	Ekurhuleni Trials 2025 (D)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	0	0	No	Analysis
6	Chess Power House Youth Day Rapid 2025 (A)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	4	2	Yes	Analysis
7	Chess Molecules Open Tournament 2025 (A)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
8	UJ Scholars 1st Edition 2025 (U15)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	4	3	Yes	Analysis
9	Gauteng Top Schools 2024 (U17 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
10	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	10	Tournament 2025 Gauteng Top Schools Teams				Tournament Soweto Chess Festival 2025
		date 2025-08-30	rnd 4	type Standard	result 1	date 2025-09-27	rnd 3	type Rapid	result 1
		Opponent Van Zyl, J (Jacobus)				Opponent Nonyane, B (Botshelo)
2	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)
3	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)

#	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	Dube ,A (Asher)	2	2	425	0	0	0	2	2	425	0	0	0
1	Dube ,A (Asher)	2	1350.5	1775.5	0	0	0	2	1244.4	1775.5	0	0	0
2	Pitso ,K (Katleho)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Pitso ,K (Katleho)	1	1611.4	1611.4	1	1573.4	1611.4	0	0	0	0	0	0
3	Arokiam ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Arokiam ,E (Ethan)	1	1334	909	1	1357	909	0	0	0	0	0	0
4	Netshivhulana ,R (Ronewa Philip)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Netshivhulana ,R (Ronewa Philip)	1	1478.5	1478.5	1	1477.2	1478.5	0	0	0	0	0	0
5	Van Zyl ,J (Jacobus)	1	1	425	1	1	425	0	0	0	0	0	0
5	Van Zyl ,J (Jacobus)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Yang ,A (Alex)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Yang ,A (Alex)	1	1751.3	1326.3	1	1764.7	1326.3	0	0	0	0	0	0
7	Moustakis ,C (Costa)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Moustakis ,C (Costa)	1	1467.4	1042.4	1	1474	1042.4	0	0	0	0	0	0
8	Sithole ,A (Adiel Ean)	1	1	425	1	1	425	0	0	0	0	0	0
8	Sithole ,A (Adiel Ean)	1	1546.9	1971.9	1	1547.6	1971.9	0	0	0	0	0	0
9	Smalman ,J (Jean)	1	1	425	0	0	0	1	1	425	0	0	0
9	Smalman ,J (Jean)	1	1423.7	1848.7	0	0	0	1	1257.2	1848.7	0	0	0
10	Mcpherson ,N (Naleli)	1	1	425	0	0	0	1	1	425	0	0	0
10	Mcpherson ,N (Naleli)	1	1644.7	2069.7	0	0	0	1	1633.2	2069.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Kimobana, R (Rony)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms