Chess South Africa Ratings Database

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Personal

De Bruin, E (Elrise)

Chess SA id

2090099753

FIDE id

Date of birth

2009-08-28 (U18)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

20.7

Junior GPX Points

1202

Item	Main	Standard	Rapid	Blitz
Rating	1345.4	1345.7	1314	1200
Raw rating	1345.4	1345.7	1290	1200
Weighted rating	1310.9	1275.7	1314	1200
Weighted performance	1225.4	1135.2	1169.2	0
Floor	845.4	845.7	833.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	134.8	134.7	145.9	165.8
Highest rating	1345.4 2025-09-30	1345.7 2025-09-30	1333.9 2024-12-01	1200 2018-10-01
Highest raw rating	1345.4 2025-09-30	1345.7 2025-09-30	1333.9 2024-12-01	1200 2024-03-01
Highest weighted rating	1332.6 2024-08-01	1305.4 2024-08-01	1314.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1305.4 2024-05-01	1228.7 2022-07-01	1312.8 2024-05-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-0.9	0
New rating	1345.4	1345.7	1313.1	1200
Analysis
Rating	1345.4	1345.7	1314	1200
Raw rating	1345.4	1345.7	1290	1200
Weighted rating	1310.9	1275.7	1314
Weighted performance	1225.4	1135.2	1169.2
K-factor	36	36	36	36
Floor	845.4	845.7	833.9	700
Max/Min rating change allowed	134.8	134.7	145.9	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	1345.4	1345.7	1290	1200
New weighted rating	1314.3	1281.8	1313.1	1200
New weighted performance	1225	1134.8	1168.7	0
Temp new rating	1345.4	1345.7	1313.1	1200
Temp new rating +/-	0	0	-0.9	0
Final new rating +/-	0	0	-0.9	0
New rating	1345.4	1345.7	1313.1	1200
New K-factor	36	36	36	36
New floor	845.4	845.7	833.9	700

Item	Main	Standard	Rapid
	0	0	0
	24	14	10
	30	10	20
	20	11	9
	30	21	9
	16	0	16
History	190	105	85

Games since
	Main 54	Standard 24		Rapid 30		Blitz 0
Gender	Female
Age group	U18
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2712		861		78
Female	504		209		21
U18	420		127		18
U18 Female	65		29		3
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	954		492		110
Female	160		90		23
U18	125		65		26
U18 Female	11		7		3
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	24	14.5	60.42	88.5	1272.9	1361.4
Standard	14	9.5	67.86	151.8	1310.4	1462.2
Rapid	10	5	50	0	1220.3	1220.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	190	111	58.42	71.6	1191.3	1262.9
Standard	105	58.5	55.71	48.6	1189.3	1237.9
Rapid	85	52.5	61.76	100	1193.8	1293.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1345.4	1345.7	1290	1200
2025-09-01	1308.6	1305.4	1290	1200
2025-08-01	1327.2	1305.4	1314.7	1200
2025-07-01	1332.6	1305.4	1320.7	1200
2025-06-01	1332.6	1305.4	1320.7	1200
2025-05-01	1332.6	1305.4	1320.7	1200
2025-04-01	1317.7	1284.4	1320.7	1200
2025-03-01	1292.9	1249.6	1320.7	1200
2025-02-01	1291.6	1247.6	1333.9	1200
2025-01-01	1283.4	1211.2	1333.9	1200
2024-12-01	1283.4	1211.2	1333.9	1200
2024-11-01	1276.6	1211.2	1328.9	1200
2024-10-01	1276.6	1211.2	1328.9	1200
2024-09-01	1276.6	1211.2	1328.9	1200
2024-08-01	1329.2	1280.7	1328.9	1200
2024-07-01	1329.2	1280.7	1328.9	1200
2024-06-01	1329.2	1280.7	1328.9	1200
2024-08-01	1308.9	1280.7	1292.5	1200
2024-04-01	1308.9	1280.7	1292.5	1200
2024-03-01	1304.7	1270.3	1292.5	1200
2024-02-01	1277.3	1270.3	1216.5	1200
2024-01-01	1277.3	1270.3	1216.5	1200
2023-12-01	1277.3	1270.3	1216.5	1200
2023-11-01	1277.3	1270.3	1216.5	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	Western Cape Schools - Top Schools 2025 (U17)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	3	3	Yes	Analysis
2	Pedro Booyse Top Schools 2025 (U17)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	3	1	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U17+U19)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	2	1	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
5	West Coast Schools Chess Prestige 2025 (U17 Girls)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	5	5	3.5	Yes	Analysis
6	Upper West Coast Presrige 2025 (Senior Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U17)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	3	3	Yes	Analysis
2	Pedro Booyse Top Schools 2025 (U17)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	3	1	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U17+U19)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	2	1	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
5	West Coast Schools Chess Prestige 2025 (U17 Girls)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	5	5	3.5	Yes	Analysis
6	Upper West Coast Presrige 2025 (Senior Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
7	West Coast Grand Challange League 2024 (HS Champions)	2024-10-26	2024-10-26	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
8	Pedro Booyse Top Schools Championships 2024 (U15)	2024-07-20	2024-07-20	Standard	West Coast (WCU)	5	4	0	Yes	Analysis
9	Bo-Weskus Skole Skaak Top Skole 2024 (O15)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
10	Western Cape HS Individuals Championship 2024 (U15 Girls)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
11	West Coast Schools Chess Prestige Championships 2024 (U15 Girls)	2024-02-24	2024-02-24	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
12	Bo-Weskus Skole Prestige 2024 (HS Dogters)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	5	Yes	Analysis
13	Upper West Coast Top Schools Championship 2023 (High School)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
14	Western Cape HS Individuals 2023 (U15 Girls)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
15	West Coast High School Championships 2023 (U15 Girls)	2023-02-18	2023-02-18	Standard	West Coast (WCU)	6	5	2.5	Yes	Analysis
16	Bo-Weskus Skole Prestige 2023 (Ho�rskool Dogters)	2023-02-11	2023-02-11	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
17	West Coast Schools Chess Grand Challenge 2022 (PS Super)	2022-10-29	2022-10-29	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
18	Western Cape Top Schools 2022 (U13 Girls)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	1.5	Yes	Analysis
19	Pedro Booyse Top Schools 2022 (U11+U13 Girls)	2022-07-23	2022-07-23	Standard	West Coast (WCU)	6	4	2	Yes	Analysis
20	Bo-Weskus Top Skole 2022 (O13)	2022-06-11	2022-06-11	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
21	Western Cape Schools 2022 (U13 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
22	West Coast Schools Prestige 2022 (U13 Girls)	2022-02-19	2022-02-19	Standard	West Coast (WCU)	6	6	6	Yes	Analysis
23	Western Cape Schools Championship 2021 (U13 Girls)	2021-10-02	2021-10-02	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
24	West Coast Primary Schools Prestige 2021 (U13 Girls)	2021-09-18	2021-09-18	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
25	Upper West Coast 2021 (U13)	2021-09-04	2021-09-04	Rapid	West Coast (WCU)	7	6	3	Yes	Analysis
26	West Coast Schools Prestige 2020 (U11 Girls)	2020-03-07	2020-03-07	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
27	Bo-Weskus Skole Prestige 2020 (O11 Dogters)	2020-02-15	2020-02-15	Standard	West Coast (WCU)	6	6	6	Yes	Analysis
28	Western Cape Top Schools 2019 (U11 Girls)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
29	Western Cape Schools Individuals 2019 (U11 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	2	Yes	Analysis
30	West Coast Open 2019 (C)	2019-04-27	2019-04-27	Standard	West Coast (WCU)	5	0	0	No	Analysis
31	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O11 Dogters)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
32	Western Cape Women`s Open 2019 (B)	2019-03-09	2019-03-09	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
33	Bo-Weskus Skole Skaak Prestige 2019 (O11 Dogters)	2019-02-16	2019-02-16	Rapid	West Coast (WCU)	7	7	6	Yes	Analysis
34	2018 Wild Card Chess Championships (U10 Girls)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	2.5	Yes	Analysis
35	South African Junior Team Championships 2018 (U10C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
36	Western Cape Kings & Queens 2018 (Girls)	2018-10-20	2018-10-20	Rapid	Cape Winelands (WCW)	5	4	1	Yes	Analysis
37	Western Cape Schools Individuals 2018 (U9 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	1	Yes	Analysis
38	West Coast Schools Prestige Individual Championship 2018 (U9 Girls)	2018-03-10	2018-03-24	Standard	West Coast (WCU)	6	6	4	Yes	Analysis

#	Games	Start				End
1	10	Tournament Bo-Weskus Skole Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-02-15	rnd 1	type Standard	result 1	date 2020-03-07	rnd 4	type Rapid	result 1
		Opponent Martins, J (Jasmine)				Opponent Van Der Westhuizen, C (Courtney)
2	8	Tournament Upper West Coast Top Schools Championship 2023				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2023-06-10	rnd 5	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Mohapa, A (Austin)				Opponent Ruiters, S (Shakirah)
3	8	Tournament Western Cape Schools Championship 2021				Tournament Western Cape Schools 2022
		date 2021-10-02	rnd 5	type Rapid	result 1	date 2022-05-28	rnd 1	type Standard	result 1
		Opponent De Lange, M (Marizaan)				Opponent Reid, H (Hannah)

#	Games	Start				End
1	13	Tournament Bo-Weskus Skole Prestige 2020				Tournament Western Cape Schools 2022
		date 2020-02-15	rnd 1	type Standard	result 1	date 2022-05-28	rnd 1	type Standard	result 1
		Opponent Martins, J (Jasmine)				Opponent Reid, H (Hannah)
2	6	Tournament Western Cape Schools Individuals 2018				Tournament South African Junior Team Championships 2018
		date 2018-05-20	rnd 6	type Standard	result 1	date 2018-12-18	rnd 5	type Standard	result 1
		Opponent Witbooi, F (Farrah)				Opponent Bennie, T (Thomas)
3	5	Tournament West Coast Schools Chess Prestige 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-04-26	rnd 2	type Standard	result 1
		Opponent Claassen, K (Kaylen)				Opponent Bucchianeri, J (Jodi)

#	Games	Start				End
1	8	Tournament Upper West Coast Top Schools Championship 2023				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2023-06-10	rnd 5	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Mohapa, A (Austin)				Opponent Ruiters, S (Shakirah)
2	4	Tournament West Coast Schools Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-03-07	rnd 1	type Rapid	result 1	date 2020-03-07	rnd 4	type Rapid	result 1
		Opponent Pietersen, J (Jayline)				Opponent Van Der Westhuizen, C (Courtney)
3	4	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Western Cape Women`s Open 2019
		date 2019-02-16	rnd 5	type Rapid	result 1	date 2019-03-09	rnd 1	type Rapid	result 1
		Opponent Beukes, K (Kelsey)				Opponent Siwisa, A (Acwengile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament Bo-Weskus Skole Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-02-15	rnd 1	type Standard	result 1	date 2020-03-07	rnd 4	type Rapid	result 1
		Opponent Martins, J (Jasmine)				Opponent Van Der Westhuizen, C (Courtney)
2	8	Tournament Upper West Coast Top Schools Championship 2023				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2023-06-10	rnd 5	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Mohapa, A (Austin)				Opponent Ruiters, S (Shakirah)
3	8	Tournament Western Cape Schools Championship 2021				Tournament Western Cape Schools 2022
		date 2021-10-02	rnd 5	type Rapid	result 1	date 2022-05-28	rnd 1	type Standard	result 1
		Opponent De Lange, M (Marizaan)				Opponent Reid, H (Hannah)

#	Games	Start				End
1	13	Tournament Bo-Weskus Skole Prestige 2020				Tournament Western Cape Schools 2022
		date 2020-02-15	rnd 1	type Standard	result 1	date 2022-05-28	rnd 1	type Standard	result 1
		Opponent Martins, J (Jasmine)				Opponent Reid, H (Hannah)
2	6	Tournament Western Cape Schools Individuals 2018				Tournament South African Junior Team Championships 2018
		date 2018-05-20	rnd 6	type Standard	result 1	date 2018-12-18	rnd 5	type Standard	result 1
		Opponent Witbooi, F (Farrah)				Opponent Bennie, T (Thomas)
3	5	Tournament West Coast Schools Chess Prestige 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-04-26	rnd 2	type Standard	result 1
		Opponent Claassen, K (Kaylen)				Opponent Bucchianeri, J (Jodi)

#	Games	Start				End
1	8	Tournament Upper West Coast Top Schools Championship 2023				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2023-06-10	rnd 5	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Mohapa, A (Austin)				Opponent Ruiters, S (Shakirah)
2	4	Tournament West Coast Schools Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-03-07	rnd 1	type Rapid	result 1	date 2020-03-07	rnd 4	type Rapid	result 1
		Opponent Pietersen, J (Jayline)				Opponent Van Der Westhuizen, C (Courtney)
3	4	Tournament Bo-Weskus Skole Skaak Prestige 2019				Tournament Western Cape Women`s Open 2019
		date 2019-02-16	rnd 5	type Rapid	result 1	date 2019-03-09	rnd 1	type Rapid	result 1
		Opponent Beukes, K (Kelsey)				Opponent Siwisa, A (Acwengile)

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	Van Der Westhuizen ,C (Courtney)	7	4	60.7	5	3	85	2	1	0	0	0	0
1	Van Der Westhuizen ,C (Courtney)	7	1044.5	1105.2	5	917.8	1129.5	2	796.8	1044.5	0	0	0
2	Cloete ,L (Leigh-Marcia)	5	5	425	3	3	425	2	2	425	0	0	0
2	Cloete ,L (Leigh-Marcia)	5	1166.1	1591.1	3	1190.5	1591.1	2	1161.2	1591.1	0	0	0
3	Van Zyl ,M (Mea)	5	0	-425	1	0	-425	4	0	-425	0	0	0
3	Van Zyl ,M (Mea)	5	1299.1	874.1	1	1454.7	874.1	4	1114.1	874.1	0	0	0
4	Erasmus ,A (Anneke)	4	0	-425	4	0	-425	0	0	0	0	0	0
4	Erasmus ,A (Anneke)	4	1425.9	1000.9	4	1392	1000.9	0	0	0	0	0	0
5	Pietersen ,J (Jayline)	4	3	212.5	3	2	141.7	1	1	425	0	0	0
5	Pietersen ,J (Jayline)	4	622.6	835.1	3	594.7	764.3	1	500	1047.6	0	0	0
6	Farmer ,J (Jaydean)	3	0	-425	3	0	-425	0	0	0	0	0	0
6	Farmer ,J (Jaydean)	3	1334	909	3	1342.2	909	0	0	0	0	0	0
7	Nortje ,D (Dell-Maree)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
7	Nortje ,D (Dell-Maree)	3	1382	1240.3	2	1374.6	957	1	1277.6	1807	0	0	0
8	Van Schalkwyk ,M (Mia-Leigh Che)	3	3	425	2	2	425	1	1	425	0	0	0
8	Van Schalkwyk ,M (Mia-Leigh Che)	3	1140.7	1565.7	2	1198.8	1565.7	1	1229.6	1565.7	0	0	0
9	Jaars ,E (Eliza)	3	2	141.7	1	1	425	2	1	0	0	0	0
9	Jaars ,E (Eliza)	3	1178.3	1320	1	1105.2	1603.3	2	1259.6	1178.3	0	0	0
10	Heyns ,E (Enric)	3	1	-141.7	1	1	425	2	0	-425	0	0	0
10	Heyns ,E (Enric)	3	1268.8	1127.1	1	1199	1693.8	2	1292.2	843.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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De Bruin, E (Elrise)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms