Chess South Africa Ratings Database

PLAYER PAGE

Personal

Rademeyer, F (Frederick Paul)

Chess SA id

1110145788

FIDE id

Date of birth

2011-09-04 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

65.5

Junior GPX Points

1424.2

Item	Main	Standard	Rapid	Blitz
Rating	1469.2	1478.7	1143.1	1257
Raw rating	1469.2	1478.7	1143.1	1256.3
Weighted rating	1419.1	1422.2	1137.6	1257
Weighted performance	1451.2	1452.3	0	0
Floor	1006.3	1002.3	700	759
K-factor	32	32	36	36
Min/Max rating change allowed	113	111.5	179.8	153
Highest rating	1649.6 2022-08-01	1652.8 2022-08-01	1200 2018-10-01	1386.4 2023-06-01
Highest raw rating	1506.3 2025-03-01	1502.3 2025-03-01	1200 2024-02-01	1259 2024-04-01
Highest weighted rating	1419.1 2025-11-01	1422.2 2025-11-01	1200 2018-10-01	1259 2025-05-05
Highest weighted performance	1649.6 2022-08-01	1652.8 2022-08-01	1200 2020-01-01	1386.4 2023-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0.1
New rating	1469.2	1478.7	1143.1	1257.1
Analysis
Rating	1469.2	1478.7	1143.1	1257
Raw rating	1469.2	1478.7	1143.1	1256.3
Weighted rating	1419.1	1422.2	1137.6
Weighted performance	1451.2	1452.3	0
K-factor	32	32	36	36
Floor	1006.3	1002.3	700	759
Max/Min rating change allowed	113	111.5	179.8	153
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	1469.2	1478.7	1143.1	1256.3
New weighted rating	1424.7	1428.1	1137.8	1257.1
New weighted performance	1442.5	1443.6	0	0
Temp new rating	1469.2	1478.7	1143.1	1257.1
Temp new rating +/-	0	0	0	0.1
Final new rating +/-	0	0	0	0.1
New rating	1469.2	1478.7	1143.1	1257.1
New K-factor	32	32	36	36
New floor	1006.3	1002.3	700	759

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	54	48	0	6
	70	56	5	9
	47	40	0	7
	5	5	0	0
	0	0	0	0
History	176	149	5	22

Games since
	Main 124	Standard 104		Rapid 5		Blitz 15
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1519		525		179
Male	1281		431		149
U16	197		65		21
U16 Male	158		49		16
Standard
	RSA		Province		Region
Overall	1368		503		166
Male	1152		415		137
U16	188		61		21
U16 Male	149		45		16
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	348		116		70
Male	329		106		63
U16	30		11		9
U16 Male	28		9		7


	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	54	26	48.15	-15.7	1454.1	1438.4
Standard	48	25	52.08	17.7	1448.8	1466.5
Rapid	0	0	0	0	0	0
Blitz	6	1	16.67	-283.3	1496.5	1213.2
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	176	97.5	55.4	45.9	1355.5	1401.4
Standard	149	87.5	58.72	74.2	1346.4	1420.5
Rapid	5	1	20	-255	1339.5	1084.5
Blitz	22	9	40.91	-77.3	1421.4	1344.1

Date	Main	Standard	Rapid	Blitz
2025-11-01	1469.2	1478.7	1143.1	1256.3
2025-09-30	1418.5	1417.2	1143.1	1256.3
2025-09-01	1418.5	1417.2	1143.1	1256.3
2025-08-01	1437.6	1438.6	1143.1	1256.3
2025-07-01	1443.1	1442.7	1143.1	1255.9
2025-06-01	1455.2	1458.6	1143.1	1253.8
2025-05-01	1469	1461.4	1143.1	1259
2025-04-01	1480.8	1472.6	1143.1	1259
2025-03-01	1506.3	1502.3	1143.1	1259
2025-02-01	1445.8	1443.5	1143	1259
2025-01-01	1445.8	1443.5	1123	1259
2024-12-01	1348.4	1357.7	1123	1259
2024-11-01	1348.4	1357.7	1123	1259
2024-10-01	1331.9	1339.8	1123	1259
2024-09-01	1331.9	1339.8	1123	1259
2024-08-01	1334.3	1346.5	1123	1259
2024-07-01	1344.9	1363.5	1123	1259
2024-09-01	1344.9	1363.5	1123	1259
2024-05-01	1336.7	1358.7	1123	1259
2024-04-01	1336.7	1358.7	1123	1259
2024-03-01	1341.4	1366.1	1123	1239.6
2024-02-01	1376.9	1366.1	1200	1239.6
2024-01-01	1407	1406.1	1200	1239.6
2023-12-01	1407	1406.1	1200	1239.6

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	2025 Gauteng Top Schools Teams (U17)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
2	JMC Closed 2025 (B)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
3	JMC - Trinity Randpark Ridge 2025 (B)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	JMC Helpmekaar 2025 (B)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	Moja Chess Extravaganza 2025 (U14)	2025-04-26	2025-04-28	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
6	Moja Chess Extravaganza 2025 (Blitz)	2025-04-26	2025-04-26	Blitz	Johannesburg Metro (GJM)	7	6	1	Yes	Analysis
7	South African Junior Closed Chess Championships 2025 (U16 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	3.5	Yes	Analysis
8	JMC Crawford Ruimsig 2025 (C)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
9	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
10	MCA Welcome 2025 (Intermediate)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U17)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
2	JMC Closed 2025 (B)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
3	JMC - Trinity Randpark Ridge 2025 (B)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	JMC Helpmekaar 2025 (B)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	Moja Chess Extravaganza 2025 (U14)	2025-04-26	2025-04-28	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
6	Moja Chess Extravaganza 2025 (Blitz)	2025-04-26	2025-04-26	Blitz	Johannesburg Metro (GJM)	7	6	1	Yes	Analysis
7	South African Junior Closed Chess Championships 2025 (U16 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	3.5	Yes	Analysis
8	JMC Crawford Ruimsig 2025 (C)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
9	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
10	MCA Welcome 2025 (Intermediate)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
11	Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open A)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	5.5	Yes	Analysis
12	Gauteng Inter-Region at UJ 2024 (U14 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
13	Gauteng Top Schools 2024 (U13 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
14	JMC Closed 2024 (C)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
15	JMC Trinityhouse Randpark Ridge 2024 (C)	2024-07-13	2024-07-13	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
16	Chess Power House May Open 2024 (C)	2024-05-25	2024-05-25	Standard	Johannesburg Metro (GJM)	5	4	1.5	Yes	Analysis
17	JMC Crawford International Sandton 2024 (C)	2024-05-11	2024-05-11	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
18	Wanderers Blitz Tournament 2024	2024-03-23	2024-03-23	Blitz	Johannesburg Metro (GJM)	9	9	4	Yes	Analysis
19	JNW Open - Classic - Crawford 2024 (B)	2024-03-09	2024-03-09	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
20	JMC Unika School Tournament 2024 (C)	2024-03-02	2024-03-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
21	Gear Up Mzansi Rapid 2024 (Intermediate)	2024-02-17	2024-02-17	Rapid	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
22	2024 Gauteng Inter-Region Chess Championship (U14C)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
23	JMC Kick Off Tournament 2024 (C)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
24	4th Knight Riders Junior Open 2023 (U14+U16)	2023-09-16	2023-09-16	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
25	2023 Gauteng Top Schools (U13 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
26	JNW Open - Trinityhouse Little Falls 2023 (C)	2023-06-24	2023-06-24	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
27	JMC Blitz - Higher Ground 2023	2023-06-17	2023-06-17	Blitz	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
28	Gauteng Schools Individual Finals 2023 (U13 Boys)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
29	JNW Open - Crawford 2023 (C)	2023-03-04	2023-03-04	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
30	JMC 1 St Peters 2023 (C)	2023-03-18	2023-03-18	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
31	WR Tournament and Coaching 2023 (U14)	2023-02-25	2023-02-25	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
32	Thinkchess Tournament 2023 (Group 1)	2023-01-28	2023-01-28	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
33	2022 Gauteng Schools Team Championships (U11 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis

#	Games	Start				End
1	13	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Grey College Team Championship 2025
		date 2024-12-16	rnd 2	type Standard	result 1	date 2025-02-21	rnd 2	type Standard	result 1
		Opponent Motloung, I (Israel)				Opponent Hendricks, G (Garryn)
2	13	Tournament JNW Open - Trinityhouse Little Falls 2023				Tournament 4th Knight Riders Junior Open 2023
		date 2023-06-24	rnd 2	type Standard	result 1	date 2023-09-16	rnd 4	type Standard	result 1
		Opponent Williams, J (Joshua)				Opponent Dlamini, F (Fundile)
3	7	Tournament 2022 Gauteng Schools Team Championships				Tournament Thinkchess Tournament 2023
		date 2022-08-27	rnd 1	type Standard	result 1	date 2023-01-28	rnd 2	type Standard	result 1
		Opponent Dube, N (Neo)				Opponent Tayob, M (Muhammed)

#	Games	Start				End
1	13	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Grey College Team Championship 2025
		date 2024-12-16	rnd 2	type Standard	result 1	date 2025-02-21	rnd 2	type Standard	result 1
		Opponent Motloung, I (Israel)				Opponent Hendricks, G (Garryn)
2	13	Tournament JNW Open - Trinityhouse Little Falls 2023				Tournament 4th Knight Riders Junior Open 2023
		date 2023-06-24	rnd 2	type Standard	result 1	date 2023-09-16	rnd 4	type Standard	result 1
		Opponent Williams, J (Joshua)				Opponent Dlamini, F (Fundile)
3	7	Tournament 2022 Gauteng Schools Team Championships				Tournament Thinkchess Tournament 2023
		date 2022-08-27	rnd 1	type Standard	result 1	date 2023-01-28	rnd 2	type Standard	result 1
		Opponent Dube, N (Neo)				Opponent Tayob, M (Muhammed)

#	Games	Start				End
1	1	Tournament Gear Up Mzansi Rapid 2024				Tournament Gear Up Mzansi Rapid 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 1	type Rapid	result 1
		Opponent Gemmell, Z (Zac)				Opponent Gemmell, Z (Zac)

#	Games	Start				End
1	2	Tournament Moja Chess Extravaganza 2025				Tournament Moja Chess Extravaganza 2025
		date 2025-04-26	rnd 5	type Blitz	result 0.5	date 2025-04-26	rnd 6	type Blitz	result 0.5
		Opponent Mphela, L (Lebohang)				Opponent Pillay, L (Leeyah)
2	2	Tournament Wanderers Blitz Tournament 2024				Tournament Wanderers Blitz Tournament 2024
		date 2024-03-23	rnd 5	type Blitz	result 1	date 2024-03-23	rnd 6	type Blitz	result 1
		Opponent Silva, J (Joel)				Opponent Moletsane, O (Oabile)
3	2	Tournament JMC Blitz - Higher Ground 2023				Tournament JMC Blitz - Higher Ground 2023
		date 2023-06-17	rnd 5	type Blitz	result 1	date 2023-06-17	rnd 6	type Blitz	result 1
		Opponent Radebe, G (Gaur Sihle)				Opponent Ntsikelelo, S (Sonjica)

#	Games	Start				End
1	7	Tournament 2022 Gauteng Schools Team Championships				Tournament Thinkchess Tournament 2023
		date 2022-08-27	rnd 1	type Standard	result 1	date 2023-01-28	rnd 2	type Standard	result 1
		Opponent Dube, N (Neo)				Opponent Tayob, M (Muhammed)
2	5	Tournament MCA Welcome 2025				Tournament Grey College Team Championship 2025
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-02-21	rnd 2	type Standard	result 1
		Opponent Tshoeu, B (Bogosi)				Opponent Hendricks, G (Garryn)
3	4	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-12-17	rnd 4	type Standard	result 1	date 2024-12-19	rnd 7	type Standard	result 1
		Opponent Balfour, O (Omeleza)				Opponent Surmon, E (Ethan)

#	Games	Start				End
1	7	Tournament 2022 Gauteng Schools Team Championships				Tournament Thinkchess Tournament 2023
		date 2022-08-27	rnd 1	type Standard	result 1	date 2023-01-28	rnd 2	type Standard	result 1
		Opponent Dube, N (Neo)				Opponent Tayob, M (Muhammed)
2	5	Tournament MCA Welcome 2025				Tournament Grey College Team Championship 2025
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-02-21	rnd 2	type Standard	result 1
		Opponent Tshoeu, B (Bogosi)				Opponent Hendricks, G (Garryn)
3	4	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-12-17	rnd 4	type Standard	result 1	date 2024-12-19	rnd 7	type Standard	result 1
		Opponent Balfour, O (Omeleza)				Opponent Surmon, E (Ethan)

#	Games	Start				End
1	1	Tournament Gear Up Mzansi Rapid 2024				Tournament Gear Up Mzansi Rapid 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 1	type Rapid	result 1
		Opponent Gemmell, Z (Zac)				Opponent Gemmell, Z (Zac)

#	Games	Start				End
1	2	Tournament Wanderers Blitz Tournament 2024				Tournament Wanderers Blitz Tournament 2024
		date 2024-03-23	rnd 5	type Blitz	result 1	date 2024-03-23	rnd 6	type Blitz	result 1
		Opponent Silva, J (Joel)				Opponent Moletsane, O (Oabile)
2	2	Tournament JMC Blitz - Higher Ground 2023				Tournament JMC Blitz - Higher Ground 2023
		date 2023-06-17	rnd 5	type Blitz	result 1	date 2023-06-17	rnd 6	type Blitz	result 1
		Opponent Radebe, G (Gaur Sihle)				Opponent Ntsikelelo, S (Sonjica)
3	2	Tournament JMC Blitz - Higher Ground 2023				Tournament JMC Blitz - Higher Ground 2023
		date 2023-06-17	rnd 2	type Blitz	result 1	date 2023-06-17	rnd 3	type Blitz	result 1
		Opponent Dippenaar, L (Lian)				Opponent Movundlela, T (Thabiso)

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	Ma ,M (Matthew)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Ma ,M (Matthew)	3	1394.9	1394.9	3	1393.8	1394.9	0	0	0	0	0	0
2	Horn ,E (Evan)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Horn ,E (Evan)	3	1431.2	1006.2	3	1425.1	1006.2	0	0	0	0	0	0
3	Maharaj ,A (Aditi)	3	1.5	0	2	1.5	212.5	1	0	-425	0	0	0
3	Maharaj ,A (Aditi)	3	1397.2	1397.2	2	1403.7	1609.7	1	1159.2	972.2	0	0	0
4	Gupta ,A (Akul)	2	1	0	2	1	0	0	0	0	0	0	0
4	Gupta ,A (Akul)	2	1479.1	1479.1	2	1464.7	1479.1	0	0	0	0	0	0
5	Mallach ,M (Matthew)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Mallach ,M (Matthew)	2	1433.6	1008.6	2	1404.8	1008.6	0	0	0	0	0	0
6	Gudladona ,KP (Kartikeya Praneeth)	2	1	0	2	1	0	0	0	0	0	0	0
6	Gudladona ,KP (Kartikeya Praneeth)	2	1397.1	1397.1	2	1392.4	1397.1	0	0	0	0	0	0
7	Bloem ,J (James)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Bloem ,J (James)	2	1404.3	979.3	2	1394.4	979.3	0	0	0	0	0	0
8	Thomson-Selibowitz ,R (Ryder)	2	1	0	2	1	0	0	0	0	0	0	0
8	Thomson-Selibowitz ,R (Ryder)	2	1313.5	1313.5	2	1306.4	1313.5	0	0	0	0	0	0
9	Van Zyl ,L (Luke)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
9	Van Zyl ,L (Luke)	2	1317.3	1104.8	2	1310.5	1104.8	0	0	0	0	0	0
10	Venter ,C (Christiaan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Venter ,C (Christiaan)	2	1456.5	1669	2	1451.2	1669	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Rademeyer, F (Frederick Paul)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms