Chess South Africa Ratings Database

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Personal

Pretorius, F (Frik)

Chess SA id

1700148038

FIDE id

Date of birth

1970-03-13 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1410.7	1411.4	1323.7	1193.6
Raw rating	1382.1	1388.5	1323.7	1193.6
Weighted rating	1315.3	1306.8	1323.5	1193.1
Weighted performance	1410.7	1411.4	0	0
Floor	882.1	888.5	823.7	701.6
K-factor	36	36	36	36
Min/Max rating change allowed	127.9	126.8	139	167.3
Highest rating	1426.9 2025-09-30	1427.6 2025-09-30	1487.9 2023-11-01	1213.4 2022-11-01
Highest raw rating	1382.1 2025-09-30	1388.5 2025-09-30	1323.7 2024-02-01	1201.6 2022-12-01
Highest weighted rating	1307.9 2025-09-30	1297.6 2025-09-30	1321.1 2025-08-01	1201.6 2023-12-01
Highest weighted performance	1426.9 2025-09-30	1427.6 2025-09-30	1487.9 2023-11-01	1213.4 2022-11-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-8.6	-8.6	0	0
New rating	1402	1402.7	1323.7	1193.6
Analysis
Rating	1410.7	1411.4	1323.7	1193.6
Raw rating	1382.1	1388.5	1323.7	1193.6
Weighted rating	1315.3	1306.8	1323.5
Weighted performance	1410.7	1411.4	0
K-factor	36	36	36	36
Floor	882.1	888.5	823.7	701.6
Max/Min rating change allowed	127.9	126.8	139	167.3
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	1382.1	1388.5	1323.7	1193.6
New weighted rating	1322.2	1315.4	1323.7	1193.2
New weighted performance	1402	1402.7	0	0
Temp new rating	1402	1402.7	1323.7	1193.6
Temp new rating +/-	-8.6	-8.6	0	0
Final new rating +/-	-8.6	-8.6	0	0
New rating	1402	1402.7	1323.7	1193.6
New K-factor	36	36	36	36
New floor	882.1	888.5	823.7	701.6

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	15	15	0	0
	9	9	0	0
	20	6	5	9
	9	0	0	9
	0	0	0	0
History	53	30	5	18

Games since
	Main 38	Standard 24		Rapid 5		Blitz 9
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	15	9	60	85	1462	1547
Standard	15	9	60	85	1462	1547
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	53	26	49.06	-8	1387.1	1379.1
Standard	30	14	46.67	-28.3	1439.3	1411
Rapid	5	3.5	70	170	1377.3	1547.3
Blitz	18	8.5	47.22	-23.6	1302.9	1279.2

Date	Main	Standard	Rapid	Blitz
2025-11-01	1382.1	1388.5	1323.7	1193.6
2025-09-30	1382.1	1388.5	1323.7	1193.6
2025-09-01	1366	1369.4	1323.7	1193.6
2025-08-01	1366	1369.4	1323.7	1193.6
2025-07-01	1366	1369.4	1323.7	1193.6
2025-06-01	1366	1369.4	1323.7	1193.6
2025-05-01	1277.6	1261.9	1323.7	1193.6
2025-04-01	1277.6	1261.9	1323.7	1193.6
2025-03-01	1277.6	1261.9	1323.7	1193.6
2025-02-01	1277.6	1261.9	1323.7	1193.6
2025-01-01	1277.6	1261.9	1323.7	1192.2
2024-12-01	1277.6	1261.9	1323.7	1192.2
2024-11-01	1277.6	1261.9	1323.7	1192.2
2024-10-01	1260.6	1238.1	1323.7	1192.2
2024-09-01	1260.6	1238.1	1323.7	1192.2
2024-08-01	1260.6	1238.1	1323.7	1192.2
2024-07-01	1260.6	1238.1	1323.7	1192.2
2024-09-01	1260.6	1238.1	1323.7	1192.2
2024-05-01	1275.2	1253.3	1323.7	1192.2
2024-04-01	1275.2	1253.3	1323.7	1192.2
2024-03-01	1275.2	1253.3	1323.7	1192.2
2024-02-01	1275.2	1253.3	1323.7	1192.2
2024-01-01	1275.2	1253.3	1323.7	1192.2
2023-12-01	1240.2	1210	1266	1192.2

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 Centurion Chess Open Tournament (C)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	Tshwane Chess Club Clash 2025 (Open)	2025-09-13	2025-09-13	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
3	Centurion Club Closed Chess Tournament 2025	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Centurion Chess Open Tournament (C)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	Tshwane Chess Club Clash 2025 (Open)	2025-09-13	2025-09-13	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
3	Centurion Club Closed Chess Tournament 2025	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
4	2024 Tshwane Chess Club Clash (Open)	2024-10-12	2024-10-12	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	2024 Centurion Club Closed Chess Tournament (A)	2024-05-25	2024-05-25	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
6	CCC Blitz All 2023	2023-12-06	2023-12-06	Blitz	Tshwane (GTP)	9	9	4.5	Yes	Analysis
7	CCC Midstream Rapid 2023	2023-11-27	2023-11-27	Rapid	Tshwane (GTP)	5	5	3.5	Yes	Analysis
8	2023 Centurion Club Championships	2023-07-19	2023-09-06	Standard	Tshwane (GTP)	6	6	2	Yes	Analysis
9	2022 Centurion Club Blitz	2022-11-30	2022-11-30	Blitz	Tshwane (GTP)	9	9	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2024 Tshwane Chess Club Clash				Tournament Centurion Club Closed Chess Tournament 2025
		date 2024-10-12	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Louw, N (Nova)				Opponent Reddy, KS (Kashen Shivaan)
2	4	Tournament 2023 Centurion Club Championships				Tournament CCC Midstream Rapid 2023
		date 2023-09-06	rnd 6	type Standard	result 1	date 2023-11-27	rnd 3	type Rapid	result 0.5
		Opponent Loubser, J (Jansen)				Opponent Letsoalo, PM (Peter)
3	3	Tournament CCC Blitz All 2023				Tournament CCC Blitz All 2023
		date 2023-12-06	rnd 7	type Blitz	result 1	date 2023-12-06	rnd 9	type Blitz	result 1
		Opponent Mc Nally, J (Juan)				Opponent Ballim, S (Salif)

#	Games	Start				End
1	5	Tournament 2024 Tshwane Chess Club Clash				Tournament Centurion Club Closed Chess Tournament 2025
		date 2024-10-12	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Louw, N (Nova)				Opponent Reddy, KS (Kashen Shivaan)
2	1	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 4	type Standard	result 1	date 2025-09-13	rnd 4	type Standard	result 1
		Opponent Mahlangu, U (Umayral)				Opponent Mahlangu, U (Umayral)
3	1	Tournament Centurion Club Closed Chess Tournament 2025				Tournament Centurion Club Closed Chess Tournament 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Meeran, M (Museera)				Opponent Meeran, M (Museera)

#	Games	Start				End
1	3	Tournament CCC Midstream Rapid 2023				Tournament CCC Midstream Rapid 2023
		date 2023-11-27	rnd 1	type Rapid	result 1	date 2023-11-27	rnd 3	type Rapid	result 0.5
		Opponent Muller, A (Arend)				Opponent Letsoalo, PM (Peter)
2	1	Tournament CCC Midstream Rapid 2023				Tournament CCC Midstream Rapid 2023
		date 2023-11-27	rnd 5	type Rapid	result 1	date 2023-11-27	rnd 5	type Rapid	result 1
		Opponent Gruenenfelder, L (Laker)				Opponent Gruenenfelder, L (Laker)

#	Games	Start				End
1	3	Tournament CCC Blitz All 2023				Tournament CCC Blitz All 2023
		date 2023-12-06	rnd 7	type Blitz	result 1	date 2023-12-06	rnd 9	type Blitz	result 1
		Opponent Mc Nally, J (Juan)				Opponent Ballim, S (Salif)
2	3	Tournament 2022 Centurion Club Blitz				Tournament 2022 Centurion Club Blitz
		date 2022-11-30	rnd 6	type Blitz	result 1	date 2022-11-30	rnd 8	type Blitz	result 1
		Opponent Bhula, S (Shyam Hitesh)				Opponent Dean, D (Donavan)
3	1	Tournament CCC Blitz All 2023				Tournament CCC Blitz All 2023
		date 2023-12-06	rnd 4	type Blitz	result 0.5	date 2023-12-06	rnd 4	type Blitz	result 0.5
		Opponent Du Bruyn, D (Dylan)				Opponent Du Bruyn, D (Dylan)

#	Games	Start				End
1	5	Tournament 2024 Tshwane Chess Club Clash				Tournament Centurion Club Closed Chess Tournament 2025
		date 2024-10-12	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Louw, N (Nova)				Opponent Reddy, KS (Kashen Shivaan)
2	3	Tournament CCC Blitz All 2023				Tournament CCC Blitz All 2023
		date 2023-12-06	rnd 7	type Blitz	result 1	date 2023-12-06	rnd 9	type Blitz	result 1
		Opponent Mc Nally, J (Juan)				Opponent Ballim, S (Salif)
3	3	Tournament 2023 Centurion Club Championships				Tournament CCC Midstream Rapid 2023
		date 2023-09-06	rnd 6	type Standard	result 1	date 2023-11-27	rnd 2	type Rapid	result 1
		Opponent Loubser, J (Jansen)				Opponent Vosloo, M (Martin)

#	Games	Start				End
1	5	Tournament 2024 Tshwane Chess Club Clash				Tournament Centurion Club Closed Chess Tournament 2025
		date 2024-10-12	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Louw, N (Nova)				Opponent Reddy, KS (Kashen Shivaan)
2	1	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 4	type Standard	result 1	date 2025-09-13	rnd 4	type Standard	result 1
		Opponent Mahlangu, U (Umayral)				Opponent Mahlangu, U (Umayral)
3	1	Tournament Centurion Club Closed Chess Tournament 2025				Tournament Centurion Club Closed Chess Tournament 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Meeran, M (Museera)				Opponent Meeran, M (Museera)

#	Games	Start				End
1	2	Tournament CCC Midstream Rapid 2023				Tournament CCC Midstream Rapid 2023
		date 2023-11-27	rnd 1	type Rapid	result 1	date 2023-11-27	rnd 2	type Rapid	result 1
		Opponent Muller, A (Arend)				Opponent Vosloo, M (Martin)
2	1	Tournament CCC Midstream Rapid 2023				Tournament CCC Midstream Rapid 2023
		date 2023-11-27	rnd 5	type Rapid	result 1	date 2023-11-27	rnd 5	type Rapid	result 1
		Opponent Gruenenfelder, L (Laker)				Opponent Gruenenfelder, L (Laker)

#	Games	Start				End
1	3	Tournament CCC Blitz All 2023				Tournament CCC Blitz All 2023
		date 2023-12-06	rnd 7	type Blitz	result 1	date 2023-12-06	rnd 9	type Blitz	result 1
		Opponent Mc Nally, J (Juan)				Opponent Ballim, S (Salif)
2	3	Tournament 2022 Centurion Club Blitz				Tournament 2022 Centurion Club Blitz
		date 2022-11-30	rnd 6	type Blitz	result 1	date 2022-11-30	rnd 8	type Blitz	result 1
		Opponent Bhula, S (Shyam Hitesh)				Opponent Dean, D (Donavan)
3	1	Tournament CCC Blitz All 2023				Tournament CCC Blitz All 2023
		date 2023-12-06	rnd 2	type Blitz	result 1	date 2023-12-06	rnd 2	type Blitz	result 1
		Opponent Pillay, L (Leeyah)				Opponent Pillay, L (Leeyah)

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	Letsoalo ,PM (Peter Mogatli)	3	0.5	-283.3	2	0	-425	1	0.5	0	0	0	0
1	Letsoalo ,PM (Peter Mogatli)	3	1727.3	1444	2	1709.2	1302.3	1	1561.9	1727.3	0	0	0
2	Jacobs ,GJ (Gerhard Jakobus)	3	1	-141.7	2	1	0	0	0	0	1	0	-425
2	Jacobs ,GJ (Gerhard Jakobus)	3	1411.5	1269.8	2	1439.6	1411.5	0	0	0	1	1204.1	986.5
3	Reddy ,KS (Kashen Shivaan)	2	1	0	2	1	0	0	0	0	0	0	0
3	Reddy ,KS (Kashen Shivaan)	2	1391.8	1391.8	2	1386.2	1391.8	0	0	0	0	0	0
4	Mock� ,E (Erick)	2	2	425	1	1	425	0	0	0	1	1	425
4	Mock� ,E (Erick)	2	1206	1631	1	1200	1631	0	0	0	1	1200	1631
5	Dharampall ,V (Viraak)	2	0	-425	1	0	-425	0	0	0	1	0	-425
5	Dharampall ,V (Viraak)	2	1446.1	1021.1	1	1469.5	1021.1	0	0	0	1	1180.2	1021.1
6	Maluleke ,TC (Tiyiselani Caswell)	2	0	-425	0	0	0	1	0	-425	1	0	-425
6	Maluleke ,TC (Tiyiselani Caswell)	2	1406.2	981.2	0	0	0	1	1362.3	981.2	1	1385.7	981.2
7	Maslekar ,S (Siddhant)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Maslekar ,S (Siddhant)	1	1349.4	924.4	1	1347.3	924.4	0	0	0	0	0	0
8	Louw ,N (Nova)	1	1	425	1	1	425	0	0	0	0	0	0
8	Louw ,N (Nova)	1	1430.2	1855.2	1	1424.5	1855.2	0	0	0	0	0	0
9	Darby ,AGP (Arthur)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Darby ,AGP (Arthur)	1	1630.3	1205.3	1	1638.6	1205.3	0	0	0	0	0	0
10	Mahlangu ,U (Umayral)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mahlangu ,U (Umayral)	1	1196.7	1621.7	1	1195.9	1621.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pretorius, F (Frik)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms