Chess South Africa Ratings Database

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Personal

Bowkers, D (Delcine)

Chess SA id

2060151226

FIDE id

Date of birth

2006-03-18 (U20)

Gender

Female

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1106.8

Item	Main	Standard	Rapid	Blitz
Rating	1062.9	1045.1	1200	1100.2
Raw rating	1017.5	1010.5	1200	1100.2
Weighted rating	1015	1004.5	1200	1098.9
Weighted performance	1062.9	1045.1	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	215.1	217.2	165.8	191.1
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2020-01-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.4	-0.4	0	0
New rating	1062.5	1044.7	1200	1100.2
Analysis
Rating	1062.9	1045.1	1200	1100.2
Raw rating	1017.5	1010.5	1200	1100.2
Weighted rating	1015	1004.5	1200
Weighted performance	1062.9	1045.1	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	215.1	217.2	165.8	191.1
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	1017.5	1010.5	1200	1100.2
New weighted rating	1015.7	1005.7	1200	1099
New weighted performance	1062.5	1044.7	0	0
Temp new rating	1062.5	1044.7	1200	1100.2
Temp new rating +/-	-0.4	-0.4	0	0
Final new rating +/-	-0.4	-0.4	0	0
New rating	1062.5	1044.7	1200	1100.2
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Blitz
	0	0	0
	39	39	0
	0	0	0
	32	26	6
	0	0	0
	0	0	0
History	71	65	6

Games since
	Main 39	Standard 39		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	4364		632		189
Female	1162		155		37
U20	308		65		21
U20 Female	83		16		7
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 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	39	11	28.21	-185.3	1256.3	1071
Standard	39	11	28.21	-185.3	1256.3	1071
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	71	11.5	16.2	-287.3	1300.5	1013.2
Standard	65	11.5	17.69	-274.6	1281.4	1006.7
Rapid	0	0	0	0	0	0
Blitz	6	0	0	-425	1508.2	1083.2

Date	Main	Standard	Rapid	Blitz
2025-09-30	1017.5	1010.5	1200	1100.2
2025-09-01	1031	1023.9	1200	1100.2
2025-08-01	1035.7	1033.2	1200	1100.2
2025-07-01	1009.9	1007.4	1200	1100.2
2025-06-01	1011.9	1007	1200	1100.2
2025-05-01	1032.2	1026.6	1200	1100.2
2025-04-01	1055.2	1054	1200	1100.2
2025-03-01	1048.7	1042.9	1200	1100.2
2025-02-01	1000.3	982.5	1200	1100.2
2025-01-01	997.6	980	1200	1096.8
2024-12-01	997.6	980	1200	1096.8
2024-11-01	997.6	980	1200	1096.8
2024-10-01	997.6	980	1200	1096.8
2024-09-01	997.6	980	1200	1096.8
2024-08-01	997.6	980	1200	1096.8
2024-07-01	997.6	980	1200	1096.8
2024-06-01	997.6	980	1200	1096.8
2024-08-01	997.6	980	1200	1096.8
2024-04-01	997.6	980	1200	1096.8
2024-03-01	997.6	980	1200	1096.8
2024-02-01	997.6	980	1200	1096.8
2024-01-01	997.6	980	1200	1096.8
2023-12-01	997.6	980	1200	1096.8
2023-11-01	997.6	980	1200	1096.8

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	EC Closed 2025 (U20 Girls)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
2	UCC Mind Over Board 2025 (A)	2025-08-01	2025-08-03	Standard	Nelson Mandela Bay (ENM)	5	4	0.5	Yes	Analysis
3	Eastern Cape Inter-Regional Team Chess Championship 2025 (U20+Open)	2025-07-10	2025-07-11	Standard	Amathole (EAL)	5	1	0	Yes	Analysis
4	Fide in the Bay 2025 (A)	2025-07-05	2025-07-05	Standard	Nelson Mandela Bay (ENM)	5	4	1.5	Yes	Analysis
5	NMBCU Closed 2025 (U20+Open)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
6	NMBCU Open 2025 (A)	2025-05-23	2025-05-25	Standard	Nelson Mandela Bay (ENM)	6	2	0.5	Yes	Analysis
7	NMBCU Trial 4 2025 (U20+Open)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
8	NMB 3rd Trials 2025 (U20+Adult)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
9	NMB 2nd Trials 2025 (U20+Adults)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
10	NMBCH Trial 1 2025 (U20+Open)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	5	4	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EC Closed 2025 (U20 Girls)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
2	UCC Mind Over Board 2025 (A)	2025-08-01	2025-08-03	Standard	Nelson Mandela Bay (ENM)	5	4	0.5	Yes	Analysis
3	Eastern Cape Inter-Regional Team Chess Championship 2025 (U20+Open)	2025-07-10	2025-07-11	Standard	Amathole (EAL)	5	1	0	Yes	Analysis
4	Fide in the Bay 2025 (A)	2025-07-05	2025-07-05	Standard	Nelson Mandela Bay (ENM)	5	4	1.5	Yes	Analysis
5	NMBCU Closed 2025 (U20+Open)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
6	NMBCU Open 2025 (A)	2025-05-23	2025-05-25	Standard	Nelson Mandela Bay (ENM)	6	2	0.5	Yes	Analysis
7	NMBCU Trial 4 2025 (U20+Open)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
8	NMB 3rd Trials 2025 (U20+Adult)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
9	NMB 2nd Trials 2025 (U20+Adults)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
10	NMBCH Trial 1 2025 (U20+Open)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	5	4	2.5	Yes	Analysis
11	NMBCU Closed 2023 (U18)	2023-08-11	2023-08-12	Standard	Nelson Mandela Bay (ENM)	6	5	0.5	Yes	Analysis
12	Junior Chess Battles Blitz 2023 (A)	2023-07-16	2023-07-16	Blitz	Nelson Mandela Bay (ENM)	7	6	0	Yes	Analysis
13	Junior Chess Battles Classical 2023 (U20)	2023-07-15	2023-07-16	Standard	Nelson Mandela Bay (ENM)	6	6	0	Yes	Analysis
14	NMBCU Trial 4 2023 (U18)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	5	4	0	Yes	Analysis
15	EP Trials 3 2023 (U18)	2023-05-05	2023-05-06	Standard	Nelson Mandela Bay (ENM)	6	3	0	Yes	Analysis
16	NMB 2nd Trials 2023 (U18)	2023-03-24	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	3	0	Yes	Analysis
17	NMB 1st Trials 2023 (U18)	2023-02-17	2023-02-18	Standard	Nelson Mandela Bay (ENM)	6	5	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament NMBCH Trial 1 2025				Tournament NMBCH Trial 1 2025
		date 2025-02-15	rnd 2	type Standard	result 0.5	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Mangcotywa, L (Lihle)				Opponent Bouwer, T (Tiaan)
2	1	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-07	rnd 6	type Standard	result 0.5	date 2025-09-07	rnd 6	type Standard	result 0.5
		Opponent Godana, K (Kwathitha)				Opponent Godana, K (Kwathitha)
3	1	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 4	type Standard	result 0.5	date 2025-09-06	rnd 4	type Standard	result 0.5
		Opponent Malongane, R (Rudzani)				Opponent Malongane, R (Rudzani)

#	Games	Start				End
1	3	Tournament NMBCH Trial 1 2025				Tournament NMBCH Trial 1 2025
		date 2025-02-15	rnd 2	type Standard	result 0.5	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Mangcotywa, L (Lihle)				Opponent Bouwer, T (Tiaan)
2	1	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-07	rnd 6	type Standard	result 0.5	date 2025-09-07	rnd 6	type Standard	result 0.5
		Opponent Godana, K (Kwathitha)				Opponent Godana, K (Kwathitha)
3	1	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 4	type Standard	result 0.5	date 2025-09-06	rnd 4	type Standard	result 0.5
		Opponent Malongane, R (Rudzani)				Opponent Malongane, R (Rudzani)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament NMBCH Trial 1 2025				Tournament NMBCH Trial 1 2025
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Matiso, U (Unakho)				Opponent Bouwer, T (Tiaan)
2	1	Tournament Fide in the Bay 2025				Tournament Fide in the Bay 2025
		date 2025-07-05	rnd 5	type Standard	result 1	date 2025-07-05	rnd 5	type Standard	result 1
		Opponent Tiry, A (Ahmed Husayn)				Opponent Tiry, A (Ahmed Husayn)
3	1	Tournament NMBCU Closed 2025				Tournament NMBCU Closed 2025
		date 2025-06-14	rnd 5	type Standard	result 1	date 2025-06-14	rnd 5	type Standard	result 1
		Opponent West-Evans, J (John-Ross)				Opponent West-Evans, J (John-Ross)

#	Games	Start				End
1	2	Tournament NMBCH Trial 1 2025				Tournament NMBCH Trial 1 2025
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Matiso, U (Unakho)				Opponent Bouwer, T (Tiaan)
2	1	Tournament Fide in the Bay 2025				Tournament Fide in the Bay 2025
		date 2025-07-05	rnd 5	type Standard	result 1	date 2025-07-05	rnd 5	type Standard	result 1
		Opponent Tiry, A (Ahmed Husayn)				Opponent Tiry, A (Ahmed Husayn)
3	1	Tournament NMBCU Closed 2025				Tournament NMBCU Closed 2025
		date 2025-06-14	rnd 5	type Standard	result 1	date 2025-06-14	rnd 5	type Standard	result 1
		Opponent West-Evans, J (John-Ross)				Opponent West-Evans, J (John-Ross)

No games found.

#	Games	Start				End

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	Gcwabe ,O (Othandwayo)	4	0	-425	3	0	-425	0	0	0	1	0	-425
1	Gcwabe ,O (Othandwayo)	4	1245.9	820.9	3	1293.7	820.9	0	0	0	1	1200	820.9
2	Du Preez ,D (Dillon)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Du Preez ,D (Dillon)	3	1281.9	856.9	3	1278.4	856.9	0	0	0	0	0	0
3	Damse ,B (Bongolethu)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Damse ,B (Bongolethu)	3	1260.4	835.4	3	1268.4	835.4	0	0	0	0	0	0
4	Peta ,A (Akhazimla)	3	0	-425	3	0	-425	0	0	0	0	0	0
4	Peta ,A (Akhazimla)	3	1199.9	774.9	3	1224.3	774.9	0	0	0	0	0	0
5	Mangcotywa ,L (Lihle)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
5	Mangcotywa ,L (Lihle)	3	1253.5	1111.8	3	1277.2	1111.8	0	0	0	0	0	0
6	Botha ,Q (Qwin)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Botha ,Q (Qwin)	2	1179.8	754.8	2	1198.3	754.8	0	0	0	0	0	0
7	Bouwer ,T (Tiaan)	2	1	0	2	1	0	0	0	0	0	0	0
7	Bouwer ,T (Tiaan)	2	1227.3	1227.3	2	1219.3	1227.3	0	0	0	0	0	0
8	Bains ,A (Alex)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Bains ,A (Alex)	2	1363.1	938.1	2	1410.4	938.1	0	0	0	0	0	0
9	Perring ,M (Mekhail)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
9	Perring ,M (Mekhail)	2	1311.4	1098.9	2	1328.9	1098.9	0	0	0	0	0	0
10	Hlwempu ,L (Likamva)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Hlwempu ,L (Likamva)	2	1404.2	979.2	2	1388.3	979.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Bowkers, D (Delcine)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms