Chess South Africa Ratings Database

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Personal

Fredericks, D (Diego)

Chess SA id

1150153168

FIDE id

Date of birth

2015-01-30 (U12)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1229.1

Item	Main	Standard	Rapid	Blitz
Rating	1372.3	1312.9	1384.2	1200
Raw rating	1372.3	1312.9	1384.2	1200
Weighted rating	1350.5	1284.1	1355.3	1200
Weighted performance	1286.6	1200.4	1294.3	0
Floor	872.3	812.9	887.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	129.7	141.2	127.5	165.8
Highest rating	1426.8 2024-05-01	1327.8 2024-08-01	1500.1 2024-05-01	1200 2018-10-01
Highest raw rating	1372.3 2025-09-01	1312.9 2025-06-01	1387.2 2024-06-01	1200 2024-03-01
Highest weighted rating	1340.8 2025-09-01	1268.7 2025-08-01	1345.6 2025-09-01	1200 2018-10-01
Highest weighted performance	1426.8 2024-05-01	1327.8 2024-08-01	1500.1 2024-05-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1372.3	1312.9	1384.2	1200
Analysis
Rating	1372.3	1312.9	1384.2	1200
Raw rating	1372.3	1312.9	1384.2	1200
Weighted rating	1350.5	1284.1	1355.3
Weighted performance	1286.6	1200.4	1294.3
K-factor	36	36	36	36
Floor	872.3	812.9	887.2	700
Max/Min rating change allowed	129.7	141.2	127.5	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	1372.3	1312.9	1384.2	1200
New weighted rating	1354.5	1288.4	1359.3	1200
New weighted performance	1278.7	1192.4	1286	0
Temp new rating	1372.3	1312.9	1384.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1372.3	1312.9	1384.2	1200
New K-factor	36	36	36	36
New floor	872.3	812.9	887.2	700

Item	Main	Standard	Rapid
	0	0	0
	19	11	8
	29	10	19
	11	6	5
	0	0	0
	0	0	0
History	59	27	32

Games since
	Main 48	Standard 21		Rapid 27		Blitz 0
Gender	Male
Age group	U12
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2477		776		62
Male	2000		602		46
U12	335		109		3
U12 Male	246		77		1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	602		312		69
Male	514		265		53
U12	92		53		10
U12 Male	71		39		5
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-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	19	11.5	60.53	89.5	1292.3	1381.8
Standard	11	6	54.55	38.6	1325.6	1364.3
Rapid	8	5.5	68.75	159.4	1246.5	1405.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	59	36.5	61.86	100.8	1275	1375.8
Standard	27	14	51.85	15.7	1322.2	1337.9
Rapid	32	22.5	70.31	172.7	1235.1	1407.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1372.3	1312.9	1384.2	1200
2025-09-30	1372.3	1312.9	1384.2	1200
2025-09-01	1372.3	1312.9	1384.2	1200
2025-08-01	1358.9	1312.9	1351.6	1200
2025-07-01	1362.9	1312.9	1352.6	1200
2025-06-01	1362.9	1312.9	1352.6	1200
2025-05-01	1347.3	1276.9	1352.6	1200
2025-04-01	1347.3	1276.9	1352.6	1200
2025-03-01	1356.6	1278.8	1352.6	1200
2025-02-01	1356.6	1278.8	1352.6	1200
2025-01-01	1356.6	1278.8	1352.6	1200
2024-12-01	1356.6	1278.8	1352.6	1200
2024-11-01	1356.6	1278.8	1352.6	1200
2024-10-01	1356.6	1278.8	1352.6	1200
2024-09-01	1356.6	1278.8	1352.6	1200
2024-08-01	1342.6	1250	1352.6	1200
2024-07-01	1342.6	1250	1352.6	1200
2024-09-01	1360.5	1250	1387.2	1200
2024-05-01	1259.6	1182	1325.3	1200
2024-04-01	1259.6	1182	1325.3	1200
2024-03-01	1203.4	1182	1231	1200
2024-02-01	1193.7	1182	1218.4	1200
2024-01-01	1193.7	1182	1218.4	1200
2023-12-01	1193.7	1182	1218.4	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	Pedro Booyse Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	5	4	3	Yes	Analysis
2	Upper West Coast Top Schools 2025 (U13)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	4	2.5	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
4	West Coast Schools Chess Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	5	3	Yes	Analysis
5	Upper West Coast Presrige 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Pedro Booyse Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	5	4	3	Yes	Analysis
2	Upper West Coast Top Schools 2025 (U13)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	4	2.5	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
4	West Coast Schools Chess Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	5	3	Yes	Analysis
5	Upper West Coast Presrige 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	0	0	No	Analysis
6	Pedro Booyse Top Schools Championships 2024 (U11)	2024-07-20	2024-07-20	Standard	West Coast (WCU)	5	4	3	Yes	Analysis
7	Lambertsbay Youth Open 2024 (Elite)	2024-06-17	2024-06-17	Rapid	West Coast (WCU)	5	0	0	No	Analysis
8	Western Cape - Kings and Queens 2024 (Boys)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	5	4	1	Yes	Analysis
9	Bo-Weskus Skole Skaak Top Skole 2024 (O9+O11)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	5	Yes	Analysis
10	Western Cape PS Individuals Championship 2024 (U9 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
11	West Coast Schools Chess Prestige Championships 2024 (U9 Boys)	2024-03-09	2024-03-09	Rapid	West Coast (WCU)	5	5	5	Yes	Analysis
12	Bo-Weskus Skole Prestige 2024 (O11 Seuns)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
13	Western Cape PS Individuals 2023 (U9 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
14	Bo-Weskus Skole Prestige 2023 (O9 Seuns)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis

#	Games	Start				End
1	8	Tournament Bo-Weskus Skole Prestige 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Magerman, J (Jenovan)				Opponent Petersen, B (Bryson)
2	5	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Avontuur, E (Ezrah)				Opponent Sikhulu, L (Lunje)
3	3	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Horse, T (Tihano)				Opponent Appollis, L (Limo-Lee)

#	Games	Start				End
1	3	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Horse, T (Tihano)				Opponent Appollis, L (Limo-Lee)
2	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-18	rnd 5	type Standard	result 1
		Opponent Gysenberg, N (Niquin)				Opponent Blom, L (Liam)
3	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Dirks, R (Ruan)				Opponent Swartz, R (Rowan)

#	Games	Start				End
1	12	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Magerman, J (Jenovan)				Opponent Sikhulu, L (Lunje)
2	3	Tournament Western Cape - Kings and Queens 2024				Tournament Upper West Coast Top Schools 2025
		date 2024-06-08	rnd 5	type Rapid	result 1	date 2025-06-14	rnd 2	type Rapid	result 0.5
		Opponent Roux, J (Juan)				Opponent Bruiners, T (Tiffany)
3	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 4	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Van Zyl, W (WJ)				Opponent Olivier, M (Micarlo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Bo-Weskus Skole Prestige 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Magerman, J (Jenovan)				Opponent Petersen, B (Bryson)
2	5	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Avontuur, E (Ezrah)				Opponent Sikhulu, L (Lunje)
3	3	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Horse, T (Tihano)				Opponent Appollis, L (Limo-Lee)

#	Games	Start				End
1	3	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Horse, T (Tihano)				Opponent Appollis, L (Limo-Lee)
2	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-18	rnd 5	type Standard	result 1
		Opponent Gysenberg, N (Niquin)				Opponent Blom, L (Liam)
3	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Dirks, R (Ruan)				Opponent Swartz, R (Rowan)

#	Games	Start				End
1	12	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Magerman, J (Jenovan)				Opponent Sikhulu, L (Lunje)
2	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 4	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Van Zyl, W (WJ)				Opponent Olivier, M (Micarlo)
3	2	Tournament Upper West Coast Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-06-14	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 1	type Rapid	result 1
		Opponent Titus, A (Ashton)				Opponent Hendricks, W (Willow)

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	Swartz ,R (Rowan)	2	2	425	2	2	425	0	0	0	0	0	0
1	Swartz ,R (Rowan)	2	1173.2	1598.2	2	1168.1	1598.2	0	0	0	0	0	0
2	Avontuur ,E (Ezrah)	2	2	425	1	1	425	1	1	425	0	0	0
2	Avontuur ,E (Ezrah)	2	1243.1	1668.1	1	1231.4	1668.1	1	1278	1668.1	0	0	0
3	Horse ,T (Tihano)	2	2	425	1	1	425	1	1	425	0	0	0
3	Horse ,T (Tihano)	2	1149.6	1574.6	1	1144.4	1574.6	1	1184.2	1574.6	0	0	0
4	Opperman ,C (Caden)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Opperman ,C (Caden)	2	1498.9	1073.9	1	1529.2	1073.9	1	1200	1073.9	0	0	0
5	Geldenhuys ,L (Liam)	1	1	425	1	1	425	0	0	0	0	0	0
5	Geldenhuys ,L (Liam)	1	1377.5	1802.5	1	1364.4	1802.5	0	0	0	0	0	0
6	Appollis ,L (Limo-Lee)	1	1	425	1	1	425	0	0	0	0	0	0
6	Appollis ,L (Limo-Lee)	1	1226.5	1651.5	1	1218.4	1651.5	0	0	0	0	0	0
7	Josephs ,C (Connor)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Josephs ,C (Connor)	1	1510.9	1085.9	1	1482.9	1085.9	0	0	0	0	0	0
8	Wildskut ,R (Reece)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Wildskut ,R (Reece)	1	1216.3	791.3	1	1200	791.3	0	0	0	0	0	0
9	Nel ,J (Joshua)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nel ,J (Joshua)	1	1593.6	1168.6	1	1575.5	1168.6	0	0	0	0	0	0
10	Petersen ,B (Bryson)	1	1	425	1	1	425	0	0	0	0	0	0
10	Petersen ,B (Bryson)	1	1416.1	1841.1	1	1420.5	1841.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Fredericks, D (Diego)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms