Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Bruyn, K (Kayla)

Chess SA id

2140137410

FIDE id

Date of birth

2014-04-24 (U12)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1390.6

Item	Main	Standard	Rapid	Blitz
Rating	1341.5	1330.7	1303.7	1200
Raw rating	1341.5	1330.7	1303.7	1200
Weighted rating	1304.3	1271	1292.8	1200
Weighted performance	1299.6	1216.8	0	0
Floor	841.5	830.7	803.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	135.5	137.6	143	165.8
Highest rating	1346.2 2022-02-01	1352.4 2022-02-01	1375 2024-08-01	1200 2018-10-01
Highest raw rating	1341.5 2025-09-01	1330.7 2025-09-01	1303.7 2024-09-01	1200 2024-03-01
Highest weighted rating	1299.1 2025-09-01	1264.4 2025-09-01	1286.9 2025-08-01	1200 2018-10-01
Highest weighted performance	1346.2 2022-02-01	1352.4 2022-02-01	1375 2024-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1341.5	1330.7	1303.7	1200
Analysis
Rating	1341.5	1330.7	1303.7	1200
Raw rating	1341.5	1330.7	1303.7	1200
Weighted rating	1304.3	1271	1292.8
Weighted performance	1299.6	1216.8	0
K-factor	36	36	36	36
Floor	841.5	830.7	803.7	700
Max/Min rating change allowed	135.5	137.6	143	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	1341.5	1330.7	1303.7	1200
New weighted rating	1309.1	1277.3	1295.3	1200
New weighted performance	1299.1	1216.3	0	0
Temp new rating	1341.5	1330.7	1303.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1341.5	1330.7	1303.7	1200
New K-factor	36	36	36	36
New floor	841.5	830.7	803.7	700

Item	Main	Standard	Rapid
	0	0	0
	10	10	0
	21	5	16
	0	0	0
	9	9	0
	0	0	0
History	40	24	16

Games since
	Main 31	Standard 15		Rapid 16		Blitz 0
Gender	Female
Age group	U12
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	10	6.5	65	127.5	1312	1439.5
Standard	10	6.5	65	127.5	1312	1439.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	40	25.5	63.75	116.9	1255.3	1372.2
Standard	24	14.5	60.42	88.5	1271.3	1359.9
Rapid	16	11	68.75	159.4	1231.2	1390.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1341.5	1330.7	1303.7	1200
2025-09-01	1341.5	1330.7	1303.7	1200
2025-08-01	1329.6	1296.4	1303.7	1200
2025-07-01	1329.6	1296.4	1303.7	1200
2025-06-01	1329.6	1296.4	1303.7	1200
2025-05-01	1329.6	1296.4	1303.7	1200
2025-04-01	1329.6	1296.4	1303.7	1200
2025-03-01	1298.5	1251.1	1303.7	1200
2025-02-01	1298.5	1251.1	1303.7	1200
2025-01-01	1298.5	1251.1	1303.7	1200
2024-12-01	1298.5	1251.1	1303.7	1200
2024-11-01	1298.5	1251.1	1303.7	1200
2024-10-01	1282.1	1221.6	1303.7	1200
2024-09-01	1282.1	1221.6	1303.7	1200
2024-08-01	1257.9	1221.6	1268.8	1200
2024-07-01	1257.9	1221.6	1268.8	1200
2024-06-01	1257.9	1221.6	1268.8	1200
2024-08-01	1236.1	1221.6	1232.4	1200
2024-04-01	1236.1	1221.6	1232.4	1200
2024-03-01	1236.1	1221.6	1232.4	1200
2024-02-01	1219	1221.6	1200	1200
2024-01-01	1219	1221.6	1200	1200
2023-12-01	1219	1221.6	1200	1200
2023-11-01	1219	1221.6	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	CT Metro District East Top Schools Chess 2025 (U9+U11 Girls)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
2	Mary-Anne Bartels Closed Chess Tournament 2025 (U11)	2025-02-22	2025-02-22	Standard	Cape Town (WCT)	5	4	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	CT Metro District East Top Schools Chess 2025 (U9+U11 Girls)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
2	Mary-Anne Bartels Closed Chess Tournament 2025 (U11)	2025-02-22	2025-02-22	Standard	Cape Town (WCT)	5	4	3.5	Yes	Analysis
3	Grant East Annual Primary School Invitational Chess Tournament 2024 (U11)	2024-10-05	2024-10-05	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
4	Stellenbosch Primary 2024 (U11)	2024-08-17	2024-08-17	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
5	Rhenish PS Tournament 2024 (U12)	2024-05-11	2024-05-11	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
6	Mary-Anne Bartels Closed Chess Tournament 2024 (U11 Mixed)	2024-02-24	2024-02-24	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
7	2022 Chris Greyling Open (F)	2022-03-12	2022-03-12	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
8	CP Ope 2022 (E)	2022-02-19	2022-02-19	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Carter, C (Cullen)				Opponent de Wet, L (Lila)
2	4	Tournament Stellenbosch Primary 2024				Tournament Grant East Annual Primary School Invitational Chess Tournament 2024
		date 2024-08-17	rnd 3	type Rapid	result 1	date 2024-10-05	rnd 1	type Standard	result 1
		Opponent Pool, A (Ava)				Opponent Slabbert, A (Alexei)
3	3	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-02-24	rnd 5	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Vumendlini, B (Bukho)				Opponent Thomas, C (Chloe)

#	Games	Start				End
1	5	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Carter, C (Cullen)				Opponent de Wet, L (Lila)
2	3	Tournament CP Ope 2022				Tournament CP Ope 2022
		date 2022-02-19	rnd 1	type Standard	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Tromp, M (Mickayla)				Opponent Raath, E (Emma)
3	2	Tournament Grant East Annual Primary School Invitational Chess Tournament 2024				Tournament Grant East Annual Primary School Invitational Chess Tournament 2024
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-05	rnd 4	type Standard	result 1
		Opponent Ely, T (Timmy)				Opponent Naicker, A (Aidan)

#	Games	Start				End
1	3	Tournament Stellenbosch Primary 2024				Tournament Stellenbosch Primary 2024
		date 2024-08-17	rnd 3	type Rapid	result 1	date 2024-08-17	rnd 5	type Rapid	result 1
		Opponent Pool, A (Ava)				Opponent Jonkers, C (Cyrus)
2	3	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-02-24	rnd 5	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Vumendlini, B (Bukho)				Opponent Thomas, C (Chloe)
3	2	Tournament Rhenish PS Tournament 2024				Tournament Stellenbosch Primary 2024
		date 2024-05-11	rnd 6	type Rapid	result 1	date 2024-08-17	rnd 1	type Rapid	result 1
		Opponent Calvert, C (Caylim)				Opponent Erens, L (Luke)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Stellenbosch Primary 2024				Tournament Grant East Annual Primary School Invitational Chess Tournament 2024
		date 2024-08-17	rnd 3	type Rapid	result 1	date 2024-10-05	rnd 1	type Standard	result 1
		Opponent Pool, A (Ava)				Opponent Slabbert, A (Alexei)
2	3	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Mazvarira, E (Ethan)				Opponent de Wet, L (Lila)
3	3	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-02-24	rnd 5	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Vumendlini, B (Bukho)				Opponent Thomas, C (Chloe)

#	Games	Start				End
1	3	Tournament Mary-Anne Bartels Closed Chess Tournament 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Mazvarira, E (Ethan)				Opponent de Wet, L (Lila)
2	3	Tournament CP Ope 2022				Tournament CP Ope 2022
		date 2022-02-19	rnd 1	type Standard	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Tromp, M (Mickayla)				Opponent Raath, E (Emma)
3	2	Tournament Grant East Annual Primary School Invitational Chess Tournament 2024				Tournament Grant East Annual Primary School Invitational Chess Tournament 2024
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-05	rnd 4	type Standard	result 1
		Opponent Ely, T (Timmy)				Opponent Naicker, A (Aidan)

#	Games	Start				End
1	3	Tournament Stellenbosch Primary 2024				Tournament Stellenbosch Primary 2024
		date 2024-08-17	rnd 3	type Rapid	result 1	date 2024-08-17	rnd 5	type Rapid	result 1
		Opponent Pool, A (Ava)				Opponent Jonkers, C (Cyrus)
2	3	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Rhenish PS Tournament 2024
		date 2024-02-24	rnd 5	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Vumendlini, B (Bukho)				Opponent Thomas, C (Chloe)
3	2	Tournament Rhenish PS Tournament 2024				Tournament Stellenbosch Primary 2024
		date 2024-05-11	rnd 6	type Rapid	result 1	date 2024-08-17	rnd 1	type Rapid	result 1
		Opponent Calvert, C (Caylim)				Opponent Erens, L (Luke)

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	de Wet ,L (Lila)	2	2	425	2	2	425	0	0	0	0	0	0
1	de Wet ,L (Lila)	2	1260.7	1685.7	2	1302	1685.7	0	0	0	0	0	0
2	Cetywayo ,S (Siyahluma)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Cetywayo ,S (Siyahluma)	2	1486.6	1061.6	2	1483.7	1061.6	0	0	0	0	0	0
3	Koen ,E (Emma)	2	1	0	2	1	0	0	0	0	0	0	0
3	Koen ,E (Emma)	2	1413.3	1413.3	2	1512.7	1413.3	0	0	0	0	0	0
4	Calvert ,C (Caylim)	2	1	0	0	0	0	2	1	0	0	0	0
4	Calvert ,C (Caylim)	2	1183.1	1183.1	0	0	0	2	1143.4	1183.1	0	0	0
5	Sutherland ,K (Kiona)	1	1	425	1	1	425	0	0	0	0	0	0
5	Sutherland ,K (Kiona)	1	1165.4	1590.4	1	1157.2	1590.4	0	0	0	0	0	0
6	Ely ,T (Timmy)	1	1	425	1	1	425	0	0	0	0	0	0
6	Ely ,T (Timmy)	1	1280.9	1705.9	1	1184.9	1705.9	0	0	0	0	0	0
7	Keyter ,A (Alissa)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Keyter ,A (Alissa)	1	1202.7	777.7	1	1202.8	777.7	0	0	0	0	0	0
8	Tromp ,M (Mickayla)	1	1	425	1	1	425	0	0	0	0	0	0
8	Tromp ,M (Mickayla)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Temmers ,I (Isabella)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Temmers ,I (Isabella)	1	1441.6	1016.6	1	1415.1	1016.6	0	0	0	0	0	0
10	Mazvarira ,E (Ethan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mazvarira ,E (Ethan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

De Bruyn, K (Kayla)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms