Chess South Africa Ratings Database

PLAYER PAGE

Personal

Minnaar, R (Rochelle)

Chess SA id

210095078

FIDE id

Date of birth

2010-08-24 (U16)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

38.3

Junior GPX Points

1150.9

Item	Main	Standard	Rapid	Blitz
Rating	1285.1	1294.6	1185.2	1200
Raw rating	1259.9	1259.7	1185.2	1200
Weighted rating	1285.1	1294.6	1183.1	1200
Weighted performance	1140.6	1131.9	0	0
Floor	877.9	890	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.2	152.3	169.3	165.8
Highest rating	1434.5 2023-08-01	1434.4 2023-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1377.9 2023-09-01	1390 2023-09-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1377.9 2024-07-01	1390 2024-09-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1434.5 2023-08-01	1434.4 2023-08-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.1	-3.9	0	0
New rating	1281.9	1290.8	1185.2	1200
Analysis
Rating	1285.1	1294.6	1185.2	1200
Raw rating	1259.9	1259.7	1185.2	1200
Weighted rating	1285.1	1294.6	1183.1
Weighted performance	1140.6	1131.9	0
K-factor	36	36	36	36
Floor	877.9	890	700	700
Max/Min rating change allowed	152.2	152.3	169.3	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	1259.9	1259.7	1185.2	1200
New weighted rating	1281.9	1290.8	1182.9	1200
New weighted performance	1140.2	1131.5	0	0
Temp new rating	1281.9	1290.8	1185.2	1200
Temp new rating +/-	-3.1	-3.9	0	0
Final new rating +/-	-3.1	-3.9	0	0
New rating	1281.9	1290.8	1185.2	1200
New K-factor	36	36	36	36
New floor	877.9	890	700	700

Item	Main	Standard	Rapid
	0	0	0
	22	22	0
	53	42	11
	57	57	0
	36	36	0
	10	10	0
History	270	259	11

Games since
	Main 80	Standard 69		Rapid 11		Blitz 0
Gender	Female
Age group	U16
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3328		1102		128
Female	704		228		24
U16	530		175		26
U16 Female	146		53		10
Standard
	RSA		Province		Region
Overall	3110		1119		132
Female	657		228		26
U16	507		183		25
U16 Female	134		54		9
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	22	7	31.82	-154.5	1357.3	1202.7
Standard	22	7	31.82	-154.5	1357.3	1202.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	265	114.5	43.21	-57.7	1213.7	1156
Standard	254	110.5	43.5	-55.2	1211.5	1156.3
Rapid	11	4	36.36	-115.9	1265.8	1149.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1259.9	1259.7	1185.2	1200
2025-09-01	1289.5	1299	1185.2	1200
2025-08-01	1289.5	1299	1185.2	1200
2025-07-01	1322.1	1335.6	1185.2	1200
2025-06-01	1292.4	1302.2	1185.2	1200
2025-05-01	1292.4	1302.2	1185.2	1200
2025-04-01	1291.4	1300.4	1185.2	1200
2025-03-01	1295.2	1304.8	1185.2	1200
2025-02-01	1290.1	1299.4	1183.5	1200
2025-01-01	1212	1220.8	1154	1200
2024-12-01	1187	1198.5	1154	1200
2024-11-01	1227.3	1257.5	1154	1200
2024-10-01	1287	1297.8	1186	1200
2024-09-01	1294.2	1311.5	1186	1200
2024-08-01	1291.5	1310.8	1186	1200
2024-07-01	1322.6	1324.1	1200	1200
2024-06-01	1322.6	1324.1	1200	1200
2024-08-01	1322.6	1324.5	1200	1200
2024-04-01	1322.6	1324.5	1200	1200
2024-03-01	1322.6	1324.5	1200	1200
2024-02-01	1322.6	1324.5	1200	1200
2024-01-01	1374	1381.7	1200	1200
2023-12-01	1374	1381.7	1200	1200
2023-11-01	1374	1381.7	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	Laerskool Eligwa Open 20 Sept 2025 (A+B)	2025-09-20	2025-09-20	Standard	Sedibeng (GSV)	5	4	0.5	Yes	Analysis
2	Eureka Chess Open 26 July 2025 (B)	2025-07-26	2025-07-26	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
3	South African Open 2025 (U16 Girls)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	GDE (D8) Sedibeng West Schools Individuals 2025 (U15 Girls)	2025-06-07	2025-06-07	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
5	Hoerskool Drie Riviere Open 08 March 2025 (B)	2025-03-08	2025-03-08	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Laerskool Eligwa Open 20 Sept 2025 (A+B)	2025-09-20	2025-09-20	Standard	Sedibeng (GSV)	5	4	0.5	Yes	Analysis
2	Eureka Chess Open 26 July 2025 (B)	2025-07-26	2025-07-26	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
3	South African Open 2025 (U16 Girls)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	GDE (D8) Sedibeng West Schools Individuals 2025 (U15 Girls)	2025-06-07	2025-06-07	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
5	Hoerskool Drie Riviere Open 08 March 2025 (B)	2025-03-08	2025-03-08	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis
6	Gauteng Inter-Region at UJ 2024 (U16+U18 Girls)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	Queens Gambit Chess Open 2024 (B)	2024-11-23	2024-11-23	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
8	Fonteine Open 2024 (B)	2024-10-19	2024-10-19	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
9	Gauteng Top Schools 2024 (U19 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	4	1	Yes	Analysis
10	Sedibeng Chess Open 07 Sept 24 (B)	2024-09-07	2024-09-07	Standard	Sedibeng (GSV)	5	4	1.5	Yes	Analysis
11	Gauteng Schools Individuals Finals 2024 (U15 Girls)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
12	Sedibeng West District Schools Chess Team's Championships 2024 (U15)	2024-08-12	2024-08-12	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
13	Sedibeng West District Schools Individual Chess Championships 2024 (U15 Girls)	2024-07-27	2024-07-27	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
14	Midvaal Winter Classic 13 July 2024 (D)	2024-07-13	2024-07-13	Rapid	Sedibeng (GSV)	7	7	3	Yes	Analysis
15	Sedibeng Chess Open 11 May 2024 (U15)	2024-05-11	2024-05-11	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
16	2024 Gauteng Inter-Region Chess Championship (U14 Girls)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
17	NWU Vaal Open 2023 (C)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
18	2023 Gauteng Top Schools (U13 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
19	2023 Sedibeng West District Schools Chess Tournament (U13)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
20	D8 Schools Individuals 2023 (U13 Girls)	2023-05-20	2023-05-20	Standard	West Rand (GWR)	5	5	4.5	Yes	Analysis
21	Valia's Chess Tournament 2023 (C)	2023-05-06	2023-05-06	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
22	Driehoek Open Chess Tournament 2023 (C)	2023-09-13	2023-09-13	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
23	Gauteng Schools Individual Finals 2023 (U13 Girls)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
24	Overvaal Open 2023 (C)	2023-04-15	2023-04-15	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
25	2023 South African Junior Closed Chess Championships (U14 Girls)	2023-03-31	2023-04-04	Standard	Chess South Africa (CSA)	9	8	0.5	Yes	Analysis
26	Hoerskool Drie Riviere Open 2023 (C)	2023-03-11	2023-03-11	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
27	Laerkool Midvaal Chess Open 2023 (C)	2023-01-28	2023-01-28	Standard	Sedibeng (GSV)	5	4	3	Yes	Analysis
28	2022 South African Junior Wild Card Chess Championships (U14 Girls)	2022-12-09	2022-12-12	Standard	4 Knights (4K)	7	6	0	Yes	Analysis
29	2022 South African Junior Team Chess Championships (U14 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	6	1	Yes	Analysis
30	2022 Gauteng Schools Team Championships (U13 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
31	Eureka Open 2022 (C)	2022-07-30	2022-07-30	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
32	Hoerskool Overvaal 2022 (D)	2022-06-11	2022-06-11	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
33	Lux Deo NG Kerk Chess Open 2022 (D)	2022-04-09	2022-04-09	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
34	Drie Riviere Open 2022 (D)	2022-02-18	2022-02-18	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
35	Sedibeng Trials 20 November 2021 (A)	2021-11-20	2021-11-20	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
36	Mabaleng Chess Open 2021 (D)	2021-11-27	2021-11-27	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
37	Hoerskool Drie Riviere 2020 (D)	2020-03-07	2020-03-07	Standard	Sedibeng (GSV)	5	4	3	Yes	Analysis
38	Gimnasium 2020 (U12)	2020-02-01	2020-02-01	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
39	Carel`s Open 2020 (D)	2020-02-29	2020-02-29	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
40	2019 South African Junior Team Championships (U12 Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	5	0	Yes	Analysis
41	Eagles Open 2019 (C)	2019-11-23	2019-11-23	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
42	Sedibeng DF Malherbe Open 2019 (D)	2019-10-12	2019-10-12	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
43	Fonteine Ope 2019 (D)	2019-10-19	2019-10-19	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
44	GE vs GSV Inter Regional 2019 (U10 Girls)	2019-10-26	2019-10-26	Standard	Ekurhuleni (GE)	5	5	0.5	Yes	Analysis
45	LS Voorwaarts & Dr P Hangelbroek Chess Open 2019 (E)	2019-08-31	2019-08-31	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
46	TST-MSA Chess Open 2019 (E)	2019-07-20	2019-07-20	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
47	Overvaal Chess Open 2019 (E)	2019-06-15	2019-06-15	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
48	Drie Riviere Open 2019 (F)	2019-06-08	2019-06-08	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
49	2019 Capablanca Chess Festival (Swiss E)	2019-04-19	2019-04-19	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
50	Dirk de Koster Chess Open 2019 (E)	2019-04-13	2019-04-13	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
51	Carels Open 2019 (D)	2019-03-02	2019-03-02	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
52	2019 Heidelberg Open (D)	2019-02-02	2019-02-02	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
53	Eagle`s Open 2018 (D)	2018-12-07	2018-12-07	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
54	Henley Open 2018 (D)	2018-03-10	2018-03-10	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis

#	Games	Start				End
1	9	Tournament 2023 Sedibeng West District Schools Chess Tournament				Tournament 2023 Gauteng Top Schools
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-18	rnd 4	type Standard	result 1
		Opponent Mokgotsi, G (Gomolemo)				Opponent Nungu, N (Nkosingiphile France)
2	8	Tournament Lux Deo NG Kerk Chess Open 2022				Tournament Hoerskool Overvaal 2022
		date 2022-04-09	rnd 2	type Standard	result 1	date 2022-06-11	rnd 4	type Standard	result 1
		Opponent Du Plessis, A (Abigail)				Opponent Tolmay, W (Walroux)
3	6	Tournament D8 Schools Individuals 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-20	rnd 1	type Standard	result 1	date 2023-05-26	rnd 1	type Standard	result 1
		Opponent Mofokeng, R (Reitumetse)				Opponent Mogano, E (Emihle)

#	Games	Start				End
1	9	Tournament 2023 Sedibeng West District Schools Chess Tournament				Tournament 2023 Gauteng Top Schools
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-18	rnd 4	type Standard	result 1
		Opponent Mokgotsi, G (Gomolemo)				Opponent Nungu, N (Nkosingiphile France)
2	8	Tournament Lux Deo NG Kerk Chess Open 2022				Tournament Hoerskool Overvaal 2022
		date 2022-04-09	rnd 2	type Standard	result 1	date 2022-06-11	rnd 4	type Standard	result 1
		Opponent Du Plessis, A (Abigail)				Opponent Tolmay, W (Walroux)
3	6	Tournament D8 Schools Individuals 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-20	rnd 1	type Standard	result 1	date 2023-05-26	rnd 1	type Standard	result 1
		Opponent Mofokeng, R (Reitumetse)				Opponent Mogano, E (Emihle)

#	Games	Start				End
1	2	Tournament Midvaal Winter Classic 13 July 2024				Tournament Gauteng Top Schools 2024
		date 2024-07-13	rnd 7	type Rapid	result 1	date 2024-10-05	rnd 1	type Rapid	result 1
		Opponent Visser, M (Mila)				Opponent Fritz, J (Jayden Jamie)
2	2	Tournament Midvaal Winter Classic 13 July 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-07-13	rnd 3	type Rapid	result 1	date 2024-07-13	rnd 4	type Rapid	result 1
		Opponent Rakoti, O (Ofentse)				Opponent Van Nieuwenhuizen, J (Jacques)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Lux Deo NG Kerk Chess Open 2022				Tournament Hoerskool Overvaal 2022
		date 2022-04-09	rnd 2	type Standard	result 1	date 2022-06-11	rnd 4	type Standard	result 1
		Opponent Du Plessis, A (Abigail)				Opponent Tolmay, W (Walroux)
2	5	Tournament 2023 Sedibeng West District Schools Chess Tournament				Tournament 2023 Sedibeng West District Schools Chess Tournament
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-12	rnd 5	type Standard	result 1
		Opponent Mokgotsi, G (Gomolemo)				Opponent Zulu, M (Mbali)
3	5	Tournament Overvaal Open 2023				Tournament Valia's Chess Tournament 2023
		date 2023-04-15	rnd 5	type Standard	result 1	date 2023-05-06	rnd 4	type Standard	result 1
		Opponent Hoosen, Z (Zayaan)				Opponent Tolmay, L (Llewellyn)

#	Games	Start				End
1	8	Tournament Lux Deo NG Kerk Chess Open 2022				Tournament Hoerskool Overvaal 2022
		date 2022-04-09	rnd 2	type Standard	result 1	date 2022-06-11	rnd 4	type Standard	result 1
		Opponent Du Plessis, A (Abigail)				Opponent Tolmay, W (Walroux)
2	5	Tournament 2023 Sedibeng West District Schools Chess Tournament				Tournament 2023 Sedibeng West District Schools Chess Tournament
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-12	rnd 5	type Standard	result 1
		Opponent Mokgotsi, G (Gomolemo)				Opponent Zulu, M (Mbali)
3	5	Tournament Overvaal Open 2023				Tournament Valia's Chess Tournament 2023
		date 2023-04-15	rnd 5	type Standard	result 1	date 2023-05-06	rnd 4	type Standard	result 1
		Opponent Hoosen, Z (Zayaan)				Opponent Tolmay, L (Llewellyn)

#	Games	Start				End
1	2	Tournament Midvaal Winter Classic 13 July 2024				Tournament Gauteng Top Schools 2024
		date 2024-07-13	rnd 7	type Rapid	result 1	date 2024-10-05	rnd 1	type Rapid	result 1
		Opponent Visser, M (Mila)				Opponent Fritz, J (Jayden Jamie)
2	2	Tournament Midvaal Winter Classic 13 July 2024				Tournament Midvaal Winter Classic 13 July 2024
		date 2024-07-13	rnd 3	type Rapid	result 1	date 2024-07-13	rnd 4	type Rapid	result 1
		Opponent Rakoti, O (Ofentse)				Opponent Van Nieuwenhuizen, J (Jacques)

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	Tolmay ,W (Walroux)	5	2.5	0	5	2.5	0	0	0	0	0	0	0
1	Tolmay ,W (Walroux)	5	1257.8	1257.8	5	1246.4	1257.8	0	0	0	0	0	0
2	Rajaram ,E (Ekavir)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
2	Rajaram ,E (Ekavir)	4	1188.4	975.9	4	1179.6	975.9	0	0	0	0	0	0
3	Maseloane ,T (Tshepang)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
3	Maseloane ,T (Tshepang)	4	1208.6	1102.3	4	1202.8	1102.3	0	0	0	0	0	0
4	Bothma ,J (Jaculene)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
4	Bothma ,J (Jaculene)	3	1317.9	1034.6	3	1313.5	1034.6	0	0	0	0	0	0
5	Netshimbupfe ,Y (Yoanda)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
5	Netshimbupfe ,Y (Yoanda)	3	1243.8	960.5	3	1237.4	960.5	0	0	0	0	0	0
6	Pillay ,K (Ketana)	3	0	-425	3	0	-425	0	0	0	0	0	0
6	Pillay ,K (Ketana)	3	1382.3	957.3	3	1378.5	957.3	0	0	0	0	0	0
7	Tolmay ,L (Llewellyn)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
7	Tolmay ,L (Llewellyn)	3	1307.7	1166.1	3	1300.2	1166.1	0	0	0	0	0	0
8	De Lange ,H (Henro)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
8	De Lange ,H (Henro)	3	1059.5	1201.1	3	1046.7	1201.1	0	0	0	0	0	0
9	Odendaal ,H (Hayden)	3	0	-425	3	0	-425	0	0	0	0	0	0
9	Odendaal ,H (Hayden)	3	1189.9	764.9	3	1190	764.9	0	0	0	0	0	0
10	Loubser ,LA (Lilliene)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
10	Loubser ,LA (Lilliene)	3	1163.6	1021.9	3	1152.8	1021.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Minnaar, R (Rochelle)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms