Chess South Africa Ratings Database

PLAYER PAGE

Personal

Diedericks , B (Belinda)

Chess SA id

2110109822

FIDE id

Date of birth

2011-05-12 (U16)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-02

Personal details last changed

1900-01-01

Junior GPX Games

16.1

Junior GPX Points

999.6

Item	Main	Standard	Rapid	Blitz
Rating	1153.5	1157.1	1172.6	1200
Raw rating	1153.5	1157.1	1172.6	1200
Weighted rating	1149.7	1153.6	1169.3	1200
Weighted performance	900	0	0	0
Floor	703.6	705	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	177.2	176.3	172.4	165.8
Highest rating	1203.6 2024-03-01	1229.8 2024-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1203.6 2024-03-01	1205 2024-03-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1203.6 2018-10-01	1205 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1229.8 2024-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1153.5	1157.1	1172.6	1200
Analysis
Rating	1153.5	1157.1	1172.6	1200
Raw rating	1153.5	1157.1	1172.6	1200
Weighted rating	1149.7	1153.6	1169.3
Weighted performance	900	0	0
K-factor	36	36	36	36
Floor	703.6	705	700	700
Max/Min rating change allowed	177.2	176.3	172.4	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	1153.5	1157.1	1172.6	1200
New weighted rating	1149.3	1153.3	1169.1	1200
New weighted performance	899.7	0	0	0
Temp new rating	1153.5	1157.1	1172.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1153.5	1157.1	1172.6	1200
New K-factor	36	36	36	36
New floor	703.6	705	700	700

Item	Main	Standard	Rapid
	0	0	0
	9	9	0
	20	15	5
	6	0	6
	0	0	0
	0	0	0
History	40	24	16

Games since
	Main 29	Standard 24		Rapid 5		Blitz 0
Gender	Female
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
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	9	3	33.33	-141.7	1230	1088.4
Standard	9	3	33.33	-141.7	1230	1088.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	40	12.5	31.25	-159.4	1232.1	1072.7
Standard	24	7.5	31.25	-159.4	1230.4	1071
Rapid	16	5	31.25	-159.4	1234.6	1075.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1153.5	1157.1	1172.6	1200
2025-09-01	1153.5	1157.1	1172.6	1200
2025-08-01	1153.5	1157.1	1172.6	1200
2025-07-01	1153.5	1157.1	1172.6	1200
2025-06-01	1153.5	1157.1	1172.6	1200
2025-05-01	1153.5	1157.1	1172.6	1200
2025-04-01	1152.8	1156.1	1172.6	1200
2025-03-01	1161.9	1166.4	1172.6	1200
2025-02-01	1152.4	1157	1169	1200
2025-01-01	1095	1114.2	1110.8	1200
2024-12-01	1095	1114.2	1110.8	1200
2024-11-01	1095	1114.2	1110.8	1200
2024-10-01	1161.8	1156	1194	1200
2024-09-01	1161.8	1156	1194	1200
2024-08-01	1161.8	1156	1194	1200
2024-07-01	1161.8	1156	1194	1200
2024-06-01	1161.8	1156	1194	1200
2024-08-01	1161.8	1156	1194	1200
2024-04-01	1161.8	1156	1194	1200
2024-03-01	1203.6	1205	1194	1200
2024-02-01	1195.6	1200	1194	1200
2024-01-01	1195.6	1200	1194	1200
2023-12-01	1195.6	1200	1194	1200
2023-11-01	1195.6	1200	1194	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 Schools Individual Closed 2025 (U15 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	3	0	Yes	Analysis
2	CT Metro District East Schools Chess Individuals Trials 2025 (U15 Girls)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	CT Metro Schools Individual Closed 2025 (U15 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	3	0	Yes	Analysis
2	CT Metro District East Schools Chess Individuals Trials 2025 (U15 Girls)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	Laerskool Welgemoed Rapid 2024 (U14)	2024-10-19	2024-10-19	Rapid	Cape Town (WCT)	6	5	0	Yes	Analysis
4	Grant East Annual Primary School Invitational Chess Tournament 2024 (U13)	2024-10-05	2024-10-05	Standard	Cape Town (WCT)	5	5	1	Yes	Analysis
5	Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Girls)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
6	CT District East Schools Chess Individuals Trails 2024 (U13 Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	4	2	Yes	Analysis
7	Laerskool Welgemoed Rapid 2023 (U14)	2023-02-11	2023-02-11	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
8	Welgemoed Chess Challenge 2019 (U10)	2019-02-23	2019-02-23	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-03-02	rnd 1	type Standard	result 0.5
		Opponent Ross, S (Shenica)				Opponent Ras, H (Hanaan)
2	2	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 6	type Standard	result 1
		Opponent Christians, C (Casey-lee)				Opponent Human, I (Isabella)
3	2	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 6	type Rapid	result 1
		Opponent Seabrook, E (Ethan)				Opponent Smit, D (Danie)

#	Games	Start				End
1	3	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-03-02	rnd 1	type Standard	result 0.5
		Opponent Ross, S (Shenica)				Opponent Ras, H (Hanaan)
2	2	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 6	type Standard	result 1
		Opponent Christians, C (Casey-lee)				Opponent Human, I (Isabella)
3	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Mouton, S (Strom)				Opponent Mouton, S (Strom)

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 6	type Rapid	result 1
		Opponent Seabrook, E (Ethan)				Opponent Smit, D (Danie)
2	1	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 2	type Rapid	result 1	date 2023-02-11	rnd 2	type Rapid	result 1
		Opponent Sandi, D (Dylan)				Opponent Sandi, D (Dylan)
3	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 5	type Rapid	result 1	date 2019-02-23	rnd 5	type Rapid	result 1
		Opponent Kuhn, M (Max)				Opponent Kuhn, M (Max)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 6	type Standard	result 1
		Opponent Christians, C (Casey-lee)				Opponent Human, I (Isabella)
2	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Ross, S (Shenica)				Opponent Geduldt, R (Reche)
3	2	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 6	type Rapid	result 1
		Opponent Seabrook, E (Ethan)				Opponent Smit, D (Danie)

#	Games	Start				End
1	2	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 6	type Standard	result 1
		Opponent Christians, C (Casey-lee)				Opponent Human, I (Isabella)
2	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Ross, S (Shenica)				Opponent Geduldt, R (Reche)
3	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Mouton, S (Strom)				Opponent Mouton, S (Strom)

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 6	type Rapid	result 1
		Opponent Seabrook, E (Ethan)				Opponent Smit, D (Danie)
2	1	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 2	type Rapid	result 1	date 2023-02-11	rnd 2	type Rapid	result 1
		Opponent Sandi, D (Dylan)				Opponent Sandi, D (Dylan)
3	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 5	type Rapid	result 1	date 2019-02-23	rnd 5	type Rapid	result 1
		Opponent Kuhn, M (Max)				Opponent Kuhn, M (Max)

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	Christians ,C (Casey-lee)	1	1	425	1	1	425	0	0	0	0	0	0
1	Christians ,C (Casey-lee)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Vahed ,H (Haseena)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Vahed ,H (Haseena)	1	1166.1	741.1	1	1184.2	741.1	0	0	0	0	0	0
3	Lugwayi ,L (Liyabona)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Lugwayi ,L (Liyabona)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Akpagu ,M (Muna)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Akpagu ,M (Muna)	1	1263.4	838.4	1	1199.2	838.4	0	0	0	0	0	0
5	Mouton ,S (Strom)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mouton ,S (Strom)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Donaldson ,Z (Zainninossa)	1	1	425	1	1	425	0	0	0	0	0	0
6	Donaldson ,Z (Zainninossa)	1	1146.9	1571.9	1	1140.4	1571.9	0	0	0	0	0	0
7	Sedick ,S (Shafeeqa)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Sedick ,S (Shafeeqa)	1	1263.4	838.4	1	1248.4	838.4	0	0	0	0	0	0
8	Ross ,S (Shenica)	1	1	425	1	1	425	0	0	0	0	0	0
8	Ross ,S (Shenica)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Smith ,S (Shiloh)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Smith ,S (Shiloh)	1	1494.1	1069.1	1	1501.2	1069.1	0	0	0	0	0	0
10	Pfukwa ,P (Palesa)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Pfukwa ,P (Palesa)	1	1387.9	962.9	1	1315.8	962.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Diedericks , B (Belinda)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms