Chess South Africa Ratings Database

PLAYER PAGE

Personal

Fredericks, Y (Yumnah)

Chess SA id

2060150559

FIDE id

Date of birth

2006-03-04 (U20)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1202.4	1171.2	1241.6	1200
Raw rating	1202.4	1171.2	1241.6	1200
Weighted rating	1202.2	1170.9	1241.6	1200
Weighted performance	0	0	0	0
Floor	702.4	700	741.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.2	172.8	156.3	165.8
Highest rating	1202.4 2024-03-01	1200 2018-10-01	1383.1 2023-07-01	1200 2018-10-01
Highest raw rating	1202.4 2024-03-01	1200 2019-12-01	1241.6 2024-03-01	1200 2024-03-01
Highest weighted rating	1202.4 2018-10-01	1200 2018-10-01	1241.6 2025-06-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1383.1 2023-07-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1202.4	1171.2	1241.6	1200
Analysis
Rating	1202.4	1171.2	1241.6	1200
Raw rating	1202.4	1171.2	1241.6	1200
Weighted rating	1202.2	1170.9	1241.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	702.4	700	741.6	700
Max/Min rating change allowed	165.2	172.8	156.3	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	1202.4	1171.2	1241.6	1200
New weighted rating	1202.3	1171	1241.6	1200
New weighted performance	0	0	0	0
Temp new rating	1202.4	1171.2	1241.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1202.4	1171.2	1241.6	1200
New K-factor	36	36	36	36
New floor	702.4	700	741.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	4	4	0
	10	5	5
	0	0	0
	0	0	0
History	14	9	5

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	6.5	46.43	-30.4	1234.8	1204.5
Standard	9	3	33.33	-141.7	1255.9	1114.2
Rapid	5	3.5	70	170	1196.9	1366.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1202.4	1171.2	1241.6	1200
2025-09-30	1202.4	1171.2	1241.6	1200
2025-09-01	1202.4	1171.2	1241.6	1200
2025-08-01	1202.4	1171.2	1241.6	1200
2025-07-01	1202.4	1171.2	1241.6	1200
2025-06-01	1202.4	1171.2	1241.6	1200
2025-05-01	1202.4	1171.2	1241.6	1200
2025-04-01	1202.4	1171.2	1241.6	1200
2025-03-01	1202.4	1171.2	1241.6	1200
2025-02-01	1202.4	1171.2	1241.6	1200
2025-01-01	1202.4	1171.2	1241.6	1200
2024-12-01	1202.4	1171.2	1241.6	1200
2024-11-01	1202.4	1171.2	1241.6	1200
2024-10-01	1202.4	1171.2	1241.6	1200
2024-09-01	1202.4	1171.2	1241.6	1200
2024-08-01	1202.4	1171.2	1241.6	1200
2024-07-01	1202.4	1171.2	1241.6	1200
2024-09-01	1202.4	1171.2	1241.6	1200
2024-05-01	1202.4	1171.2	1241.6	1200
2024-04-01	1202.4	1171.2	1241.6	1200
2024-03-01	1202.4	1171.2	1241.6	1200
2024-02-01	1192.8	1154	1241.6	1200
2024-01-01	1192.8	1154	1241.6	1200
2023-12-01	1192.8	1154	1241.6	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	North District School Trials 2024 (U18 Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	4	2	Yes	Analysis
2	CT Metro District North Top Schools Chess 2023 (U18 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	5	3.5	Yes	Analysis
3	Cape Town Metro Schools Chess Closed Individuals 2023 (U17 Girls)	2023-03-03	2023-03-04	Standard	Cape Town (WCT)	6	2	1	Yes	Analysis
4	North District School Trials 2023 (U17+U19 Girls)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	5	3	0	Yes	Analysis

#	Games	Start				End
1	5	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-03-03	rnd 2	type Standard	result 1	date 2023-07-29	rnd 4	type Rapid	result 1
		Opponent Van Harte, K (Kaylee)				Opponent Mamone, T (Thuso)
2	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Wiese, T (Tallulah)				Opponent Cabane, S (Sukume)

#	Games	Start				End
1	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Wiese, T (Tallulah)				Opponent Cabane, S (Sukume)
2	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-03	rnd 2	type Standard	result 1	date 2023-03-03	rnd 2	type Standard	result 1
		Opponent Van Harte, K (Kaylee)				Opponent Van Harte, K (Kaylee)

#	Games	Start				End
1	4	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 4	type Rapid	result 1
		Opponent Van Rooi, L (Laim)				Opponent Mamone, T (Thuso)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Wiese, T (Tallulah)				Opponent Cabane, S (Sukume)
2	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 4	type Rapid	result 1
		Opponent Davids, J (Justin)				Opponent Mamone, T (Thuso)
3	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-03-03	rnd 2	type Standard	result 1	date 2023-07-29	rnd 1	type Rapid	result 1
		Opponent Van Harte, K (Kaylee)				Opponent Van Rooi, L (Laim)

#	Games	Start				End
1	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Wiese, T (Tallulah)				Opponent Cabane, S (Sukume)
2	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-03	rnd 2	type Standard	result 1	date 2023-03-03	rnd 2	type Standard	result 1
		Opponent Van Harte, K (Kaylee)				Opponent Van Harte, K (Kaylee)

#	Games	Start				End
1	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 4	type Rapid	result 1
		Opponent Davids, J (Justin)				Opponent Mamone, T (Thuso)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 1	type Rapid	result 1
		Opponent Van Rooi, L (Laim)				Opponent Van Rooi, L (Laim)

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	Cabane ,S (Sukume)	1	1	425	1	1	425	0	0	0	0	0	0
1	Cabane ,S (Sukume)	1	1131.4	1556.4	1	1108.4	1556.4	0	0	0	0	0	0
2	Joubert ,N (Natasha)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Joubert ,N (Natasha)	1	1561	1136	1	1562.4	1136	0	0	0	0	0	0
3	Zenzile ,A (Amahle)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Zenzile ,A (Amahle)	1	1526.7	1101.7	1	1548	1101.7	0	0	0	0	0	0
4	Palmer ,ZE (Zante)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Palmer ,ZE (Zante)	1	1326.5	901.5	1	1309.7	901.5	0	0	0	0	0	0
5	Wiese ,T (Tallulah)	1	1	425	1	1	425	0	0	0	0	0	0
5	Wiese ,T (Tallulah)	1	1130.3	1555.3	1	1115.6	1555.3	0	0	0	0	0	0
6	Van Harte ,K (Kaylee)	1	1	425	1	1	425	0	0	0	0	0	0
6	Van Harte ,K (Kaylee)	1	1079.8	1504.8	1	1074	1504.8	0	0	0	0	0	0
7	Siyo ,A (Ayabulela)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Siyo ,A (Ayabulela)	1	1227.7	802.7	1	1211.5	802.7	0	0	0	0	0	0
8	Gcuze ,K (Khanya)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Gcuze ,K (Khanya)	1	1245.3	820.3	1	1236.9	820.3	0	0	0	0	0	0
9	Sampson ,A (Algedine)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Sampson ,A (Algedine)	1	1074.4	649.4	1	1063.6	649.4	0	0	0	0	0	0
10	Davids ,J (Justin)	1	1	425	0	0	0	1	1	425	0	0	0
10	Davids ,J (Justin)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Fredericks, Y (Yumnah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms