Chess South Africa Ratings Database

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Personal

Buis, J (Joane)

Chess SA id

2080097087

FIDE id

Date of birth

2008-06-09 (U18)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1317.9

Item	Main	Standard	Rapid	Blitz
Rating	1386.6	1375.8	1334	1184
Raw rating	1386.6	1375.8	1334	1184
Weighted rating	1382.9	1371.3	1333.2	1184
Weighted performance	1210.5	1202.1	846.7	0
Floor	910.7	906.1	834	700
K-factor	32	32	36	36
Min/Max rating change allowed	127.1	129.1	137	169.6
Highest rating	1410.7 2025-03-01	1406.1 2025-03-01	1368.3 2018-02-01	1200 2018-10-01
Highest raw rating	1410.7 2025-03-01	1406.1 2025-03-01	1334 2024-03-01	1200 2019-12-01
Highest weighted rating	1410.7 2025-03-01	1406.1 2025-03-01	1331.3 2025-08-01	1200 2018-10-01
Highest weighted performance	1377.5 2023-04-01	1379.9 2023-04-01	1368.3 2018-02-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1386.6	1375.8	1334	1184
Analysis
Rating	1386.6	1375.8	1334	1184
Raw rating	1386.6	1375.8	1334	1184
Weighted rating	1382.9	1371.3	1333.2
Weighted performance	1210.5	1202.1	846.7
K-factor	32	32	36	36
Floor	910.7	906.1	834	700
Max/Min rating change allowed	127.1	129.1	137	169.6
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	1386.6	1375.8	1334	1184
New weighted rating	1383.4	1371.9	1333.6	1184
New weighted performance	1202.7	1194.3	838.6	0
Temp new rating	1386.6	1375.8	1334	1184
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1386.6	1375.8	1334	1184
New K-factor	32	32	36	36
New floor	910.7	906.1	834	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	16	16	0	0
	22	16	6	0
	15	15	0	0
	29	14	10	5
	5	0	5	0
History	172	108	59	5

Games since
	Main 38	Standard 32		Rapid 6		Blitz 0
Gender	Female
Age group	U18
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	2358		659		96
Female	422		149		26
U18	389		101		19
U18 Female	53		19		5
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	16	9.5	59.38	79.7	1284.1	1363.8
Standard	16	9.5	59.38	79.7	1284.1	1363.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	172	109	63.37	113.7	1180.3	1294
Standard	108	67.5	62.5	106.2	1203.4	1309.7
Rapid	59	39.5	66.95	144.1	1122.6	1266.6
Blitz	5	2	40	-85	1362.4	1277.4

Date	Main	Standard	Rapid	Blitz
2025-11-01	1386.6	1375.8	1334	1184
2025-09-30	1386.6	1375.8	1334	1184
2025-09-01	1386.6	1375.8	1334	1184
2025-08-01	1386.6	1375.8	1334	1184
2025-07-01	1386.6	1375.8	1334	1184
2025-06-01	1386.6	1375.8	1334	1184
2025-05-01	1386.6	1375.8	1334	1184
2025-04-01	1377	1364.6	1334	1184
2025-03-01	1410.7	1406.1	1334	1184
2025-02-01	1375.6	1362.8	1334	1184
2025-01-01	1375	1361.6	1334	1184
2024-12-01	1375	1361.6	1334	1184
2024-11-01	1375	1361.6	1334	1184
2024-10-01	1375	1361.6	1334	1184
2024-09-01	1375	1361.6	1334	1184
2024-08-01	1375	1361.6	1334	1184
2024-07-01	1375	1361.6	1334	1184
2024-09-01	1375	1361.6	1334	1184
2024-05-01	1375	1361.6	1334	1184
2024-04-01	1375	1361.6	1334	1184
2024-03-01	1388.1	1365.6	1334	1184
2024-02-01	1375	1365.6	1295.1	1184
2024-01-01	1375	1365.6	1295.1	1184
2023-12-01	1375	1365.6	1295.1	1184

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	Western Cape Schools Individual Championship 2025 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U17 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U17 Girls)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U17 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U17 Girls)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
4	Western Cape Inter Region Cup 2024 (U20 Girls)	2024-03-23	2024-03-24	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
5	Western Cape HS Individuals Championship 2024 (U18 Girls)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
6	Cape Winelands Schools - Prestige 2024 (U18 Girls)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
7	Cape Winelands Schools - HS Trials 1 2024 (U18 Girls)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	5	Yes	Analysis
8	Western Cape HS Individuals 2023 (U15 Girls)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
9	Cape Winelands Schools Prestige 2023 (U15 Girls)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
10	Cape Winelands Schools Chess - Trials 1 2023 (U15 Girls)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
11	WCCA Rural Cup 2022 (U16)	2022-08-13	2022-08-14	Standard	Overberg (WOS)	5	3	0.5	Yes	Analysis
12	WCCA Rural Cup Blitz 2022	2022-07-12	2022-07-12	Blitz	Overberg (WOS)	5	5	2	Yes	Analysis
13	Western Cape Schools Chess 2022 (U15 Girls)	2022-05-07	2022-05-08	Standard	Eden (WEG)	6	6	4	Yes	Analysis
14	McGregor Chess Freedom Day Rapid 2022 (U15+U18)	2022-04-27	2022-04-27	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
15	Cape Winelands Schools 2022 (U15 Girls)	2022-03-05	2022-03-05	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
16	Lanfeberg Schools Chess Trials 2022 (U15)	2022-02-26	2022-02-26	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
17	Cape Winelands Schools Closed 2021 (U13 Girls)	2021-09-24	2021-09-24	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
18	Cape Winelands Schools Trials 1 2020 (U13 Girls)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
19	2019 WP Youth Open (C)	2019-07-13	2019-07-13	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
20	Cape Winelands Schools - Top Schools 2019 (U13 Mix)	2019-07-27	2019-07-27	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
21	South African Schools Individuals Chess Championships 2019 (U13 Girls)	2019-06-18	2019-06-21	Standard	Frances Baard (NCF)	7	7	4.5	Yes	Analysis
22	Stellenberg Youth Chess Championship 2019 (D)	2019-05-01	2019-05-01	Standard	Cape Town (WCT)	5	0	0	No	Analysis
23	Western Cape Schools Individuals 2019 (U11 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	5	3	Yes	Analysis
24	Cape Winelands Open 2019 (U12)	2019-04-27	2019-04-27	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
25	Cape Winelands Schools Closed 2019 (U11 Girls)	2019-03-16	2019-03-17	Standard	Cape Winelands (WCW)	7	7	4	Yes	Analysis
26	CW Schools Open 2019 (U11 Girls)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	5	Yes	Analysis
27	Western Cape Kings & Queens 2018 (Girls)	2018-10-20	2018-10-20	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
28	Western Cape Schools Individuals 2018 (U11 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
29	Inter Regional 2018 (U12 Individual)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
30	Strategema Club 2018 (U12)	2018-03-10	2018-03-10	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
31	Cape Winelands Schools Trials 1 2018 (U11 Girls)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
32	Cape Winelands Schools Prestige 2018 (U11 Girls)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	7	5	Yes	Analysis
33	North Boland Trials 2018 (U11 Girls)	2018-02-17	2018-02-17	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis

#	Games	Start				End
1	8	Tournament Western Cape Inter Region Cup 2024				Tournament Cape Winelands Schools Prestige 2025
		date 2024-03-24	rnd 5	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 0.5
		Opponent Hendricks, L (Lakeisha)				Opponent Engelbrecht, J (Jenna)
2	5	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Julius, A (Amy)				Opponent Moko, L (Leigh-Temba)
3	5	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-03-11	rnd 4	type Standard	result 1
		Opponent Maart, M (Mia)				Opponent Nortje, D (Dell-Maree)

#	Games	Start				End
1	8	Tournament Western Cape Inter Region Cup 2024				Tournament Cape Winelands Schools Prestige 2025
		date 2024-03-24	rnd 5	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 0.5
		Opponent Hendricks, L (Lakeisha)				Opponent Engelbrecht, J (Jenna)
2	5	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-03-11	rnd 4	type Standard	result 1
		Opponent Maart, M (Mia)				Opponent Nortje, D (Dell-Maree)
3	5	Tournament 2019 WP Youth Open				Tournament Cape Winelands Schools 2022
		date 2019-07-13	rnd 5	type Standard	result 1	date 2022-03-05	rnd 4	type Standard	result 1
		Opponent Groenewald, A (Ancha)				Opponent Springveldt, D (Deileeya)

#	Games	Start				End
1	5	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Closed 2021
		date 2020-02-08	rnd 5	type Rapid	result 0.5	date 2021-09-24	rnd 3	type Rapid	result 1
		Opponent Conradie, R (Robyn)				Opponent Viljoen, L (Lienka)
2	4	Tournament McGregor Chess Freedom Day Rapid 2022				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2022-04-27	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent De Koker, D (Dillan)				Opponent Jacobs, J (Jofesline)
3	4	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Cape Winelands Schools Trials 1 2020
		date 2019-07-27	rnd 5	type Rapid	result 1	date 2020-02-08	rnd 3	type Rapid	result 1
		Opponent Douries, S (Steward)				Opponent Skippers, F (Fredelen)

#	Games	Start				End
1	2	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 3	type Blitz	result 1	date 2022-07-12	rnd 4	type Blitz	result 1
		Opponent Hagis, M (Methyle)				Opponent Lottering, C (Claton)

#	Games	Start				End
1	5	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Julius, A (Amy)				Opponent Moko, L (Leigh-Temba)
2	5	Tournament Cape Winelands Open 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-04-27	rnd 4	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Manuel, C (Craig)				Opponent Hans, J (Joy)
3	4	Tournament McGregor Chess Freedom Day Rapid 2022				Tournament Western Cape Schools Chess 2022
		date 2022-04-27	rnd 4	type Rapid	result 1	date 2022-05-07	rnd 2	type Standard	result 1
		Opponent De Koker, D (Dillan)				Opponent Kapelaan, J (Jamischa)

#	Games	Start				End
1	5	Tournament 2019 WP Youth Open				Tournament Cape Winelands Schools 2022
		date 2019-07-13	rnd 5	type Standard	result 1	date 2022-03-05	rnd 4	type Standard	result 1
		Opponent Groenewald, A (Ancha)				Opponent Springveldt, D (Deileeya)
2	5	Tournament Cape Winelands Open 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-04-27	rnd 4	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Manuel, C (Craig)				Opponent Hans, J (Joy)
3	3	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-26	rnd 4	type Standard	result 1	date 2025-04-27	rnd 6	type Standard	result 1
		Opponent Mdlokovane, S (Sphendulwe)				Opponent Jansen, S (Shaunay)

#	Games	Start				End
1	4	Tournament McGregor Chess Freedom Day Rapid 2022				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2022-04-27	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent De Koker, D (Dillan)				Opponent Jacobs, J (Jofesline)
2	4	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Closed 2021
		date 2020-02-08	rnd 6	type Rapid	result 1	date 2021-09-24	rnd 3	type Rapid	result 1
		Opponent Tamanie, N (Nicole)				Opponent Viljoen, L (Lienka)
3	4	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Cape Winelands Schools Trials 1 2020
		date 2019-07-27	rnd 5	type Rapid	result 1	date 2020-02-08	rnd 3	type Rapid	result 1
		Opponent Douries, S (Steward)				Opponent Skippers, F (Fredelen)

#	Games	Start				End
1	2	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 3	type Blitz	result 1	date 2022-07-12	rnd 4	type Blitz	result 1
		Opponent Hagis, M (Methyle)				Opponent Lottering, C (Claton)

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	Van Zyl ,M (Mea)	4	0	-425	3	0	-425	1	0	-425	0	0	0
1	Van Zyl ,M (Mea)	4	1274.7	849.7	3	1401.6	849.7	1	541.6	849.7	0	0	0
2	Nortje ,D (Dell-Maree)	4	1	-212.5	3	1	-141.7	1	0	-425	0	0	0
2	Nortje ,D (Dell-Maree)	4	1315.7	1103.2	3	1301.4	1174	1	894	890.7	0	0	0
3	Groenewald ,A (Ancha)	4	2	0	2	1	0	2	1	0	0	0	0
3	Groenewald ,A (Ancha)	4	1254.7	1254.7	2	1192.6	1254.7	2	1330.2	1254.7	0	0	0
4	Johnson ,L (Lakeisha)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
4	Johnson ,L (Lakeisha)	3	1543.9	1402.2	3	1511.6	1402.2	0	0	0	0	0	0
5	Hall ,K (Kirsten)	3	3	425	2	2	425	1	1	425	0	0	0
5	Hall ,K (Kirsten)	3	1221.3	1646.3	2	1246	1646.3	1	1239.2	1646.3	0	0	0
6	Chamba ,R (Ruvarashe Sharon)	3	1.5	0	2	0.5	-212.5	1	1	425	0	0	0
6	Chamba ,R (Ruvarashe Sharon)	3	1231.1	1231.1	2	1224.8	1018.6	1	1200	1656.1	0	0	0
7	Tseng ,T (Tzu Nin)	3	3	425	1	1	425	2	2	425	0	0	0
7	Tseng ,T (Tzu Nin)	3	1180.4	1605.4	1	1200	1605.4	2	1182.3	1605.4	0	0	0
8	Skippers ,F (Fredelen)	3	3	425	1	1	425	2	2	425	0	0	0
8	Skippers ,F (Fredelen)	3	1049	1474	1	948.8	1474	2	1157.4	1474	0	0	0
9	Scheepers ,M (Mieke)	3	1	-141.7	0	0	0	3	1	-141.7	0	0	0
9	Scheepers ,M (Mieke)	3	963.2	821.5	0	0	0	3	963.8	821.5	0	0	0
10	Claassen ,C (Carli)	2	1	0	2	1	0	0	0	0	0	0	0
10	Claassen ,C (Carli)	2	1373.7	1373.7	2	1349.2	1373.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Buis, J (Joane)

Ratings

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Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms