Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mostert, R (Remi)

Chess SA id

104085328

FIDE id

Date of birth

2004-07-13 (Adult)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1403.3	1257.9	1404	1070.4
Raw rating	1403.3	1256.9	1401.4	1070.4
Weighted rating	1400	1257.9	1404	1067.9
Weighted performance	1220	1053.4	1185.9	0
Floor	915.2	767.1	918.1	570.4
K-factor	32	36	32	40
Min/Max rating change allowed	124.1	152.9	124.4	199.4
Highest rating	1454.5 2024-04-01	1267.1 2024-04-01	1425.8 2024-04-01	1393 2022-07-01
Highest raw rating	1415.2 2024-05-01	1267.1 2024-04-01	1418.1 2024-05-01	1070.4 2024-02-01
Highest weighted rating	1397.6 2025-08-01	1256.9 2025-08-01	1401.4 2025-08-01	1070.4 2024-11-01
Highest weighted performance	1454.5 2024-04-01	1263.1 2022-08-01	1425.8 2024-04-01	1393 2022-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0.2	0.8	0
New rating	1403.3	1258	1404.9	1070.4
Analysis
Rating	1403.3	1257.9	1404	1070.4
Raw rating	1403.3	1256.9	1401.4	1070.4
Weighted rating	1400	1257.9	1404
Weighted performance	1220	1053.4	1185.9
K-factor	32	36	32	40
Floor	915.2	767.1	918.1	570.4
Max/Min rating change allowed	124.1	152.9	124.4	199.4
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	1403.3	1256.9	1401.4	1070.4
New weighted rating	1400.7	1258	1404.9	1069.8
New weighted performance	1219.5	1052.9	1185.4	0
Temp new rating	1403.3	1258	1404.9	1070.4
Temp new rating +/-	0	0.2	0.8	0
Final new rating +/-	0	0.2	0.8	0
New rating	1403.3	1258	1404.9	1070.4
New K-factor	32	36	32	40
New floor	915.2	767.1	918.1	570.4

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	7	0	7	0
	21	9	12	0
	27	4	16	7
	44	24	15	5
	9	0	9	0
History	148	77	59	12

Games since
	Main 44	Standard 13		Rapid 24		Blitz 7
Gender	Male
Age group	Adult
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2128		646		37
Male	1753		505		25
Adult	505		137		3
Adult Male	468		124		3
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	494		250		22
Male	433		217		18
Adult	145		55		4
Adult Male	140		55		4
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	7	3	42.86	-60.7	1522.3	1461.6
Standard	0	0	0	0	0	0
Rapid	7	3	42.86	-60.7	1522.3	1461.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	131	66	50.38	3.2	1372	1375.3
Standard	60	25.5	42.5	-63.8	1321.4	1257.6
Rapid	59	33	55.93	50.4	1400.6	1451
Blitz	12	7.5	62.5	106.2	1484.7	1590.9

Date	Main	Standard	Rapid	Blitz
2025-09-30	1403.3	1256.9	1401.4	1070.4
2025-09-01	1403.3	1256.9	1401.4	1070.4
2025-08-01	1403.3	1256.9	1401.4	1070.4
2025-07-01	1403.3	1256.3	1399.8	1070.4
2025-06-01	1403.3	1256.3	1398	1070.4
2025-05-01	1403.3	1256.3	1395.7	1070.4
2025-04-01	1392.9	1256.3	1418.1	1070.4
2025-03-01	1392.9	1256.3	1418.1	1070.4
2025-02-01	1392.9	1256.3	1418.1	1070.4
2025-01-01	1392.9	1256.3	1418.1	1070.4
2024-12-01	1392.9	1256.3	1418.1	1070.4
2024-11-01	1392.9	1256.3	1418.1	1070.4
2024-10-01	1415.2	1267.1	1418.1	1070.4
2024-09-01	1415.2	1267.1	1418.1	1070.4
2024-08-01	1415.2	1267.1	1418.1	1070.4
2024-07-01	1415.2	1267.1	1418.1	1070.4
2024-06-01	1415.2	1267.1	1418.1	1070.4
2024-08-01	1415.2	1267.1	1418.1	1070.4
2024-04-01	1381.5	1267.1	1331.7	1070.4
2024-03-01	1368	1242.6	1331.7	1070.4
2024-02-01	1368	1242.6	1331.7	1070.4
2024-01-01	1365.6	1242.6	1323.8	1070.4
2023-12-01	1365.6	1242.6	1323.8	864.4
2023-11-01	1329.4	1197.6	1323.8	706

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	Hermanus Chess Club Open 2025 (Advanced)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Hermanus Chess Club Open 2025 (Advanced)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	3	Yes	Analysis
2	Western Cape Club Championship 2024 (Tier 1)	2024-10-25	2024-10-27	Standard	Cape Town (WCT)	5	4	0	Yes	Analysis
3	Hermanus Chess Club Open 2024 (Advanced)	2024-04-20	2024-04-20	Rapid	Overberg (WOS)	7	7	4	Yes	Analysis
4	Western Cape Inter Region Cup 2024 (Open)	2024-03-23	2024-03-24	Standard	Overberg (WOS)	5	5	1.5	Yes	Analysis
5	Overberg Open Rapid 2024 (Open)	2024-01-27	2024-01-27	Rapid	Overberg (WOS)	5	5	2.5	Yes	Analysis
6	2023 Western Cape Rural Cup (Open)	2023-12-09	2023-12-10	Standard	Cape Winelands (WCW)	5	4	2	Yes	Analysis
7	2023 Western Cape Rural Cup (Blitz)	2023-12-08	2023-12-08	Blitz	Cape Winelands (WCW)	7	7	4	Yes	Analysis
8	Bonnievale Open Rapid 2023 (Intermediate)	2023-10-21	2023-10-21	Rapid	Cape Winelands (WCW)	6	5	3	Yes	Analysis
9	Hermanus Rapid 2023 (B)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
10	Overberg Schools Open Tournament 2023 (Open)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	5	4	Yes	Analysis
11	Western Cape Top Schools 2022 (U18 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	0	Yes	Analysis
12	WCCA Rural Cup 2022 (U20)	2022-08-13	2022-08-14	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
13	Overberg Topskole 2022 (O18)	2022-08-30	2022-08-30	Standard	Overberg (WOS)	5	4	3	Yes	Analysis
14	WCCA Rural Cup Blitz 2022	2022-07-12	2022-07-12	Blitz	Overberg (WOS)	5	5	3.5	Yes	Analysis
15	OCF Youth Day Tournament 2022 (A)	2022-06-18	2022-06-18	Rapid	Overberg (WOS)	5	4	1	Yes	Analysis
16	The Hermanus Open 2022 (Open)	2022-05-14	2022-05-14	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis
17	Western Cape Schools Chess 2022 (U18 Boys)	2022-05-07	2022-05-08	Standard	Eden (WEG)	6	6	2	Yes	Analysis
18	OCF Open 2022 (Open)	2022-04-09	2022-04-09	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
19	Overberg 2022 (U18 Boys)	2022-03-05	2022-03-05	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
20	Western Cape Schools 2021 (U18 Boys)	2021-10-23	2021-10-23	Rapid	Overberg (WOS)	5	4	1	Yes	Analysis
21	Overberg Schools Trials 2021 (U15+U18 Boys)	2021-09-18	2021-09-18	Rapid	Overberg (WOS)	5	5	4	Yes	Analysis
22	Overberg Closed 2020 (U18 Boys)	2020-03-15	2020-03-15	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
23	Western Cape Schools Individuals 2019 (U15 Boys)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	6	3	Yes	Analysis
24	Overberg School Chess Close Champs 2019 (U15 Boys)	2019-03-08	2019-03-09	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
25	Overberg Schools Closed 2018 (U15 Boys)	2018-03-23	2018-03-23	Standard	Overberg (WOS)	6	6	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament Overberg Schools Open Tournament 2023				Tournament Hermanus Rapid 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Rossouw, N (Niel)				Opponent Swartbooi, G (Gabriel)
2	5	Tournament Overberg Closed 2020				Tournament Overberg Schools Trials 2021
		date 2020-03-15	rnd 5	type Standard	result 1	date 2021-09-18	rnd 4	type Rapid	result 1
		Opponent Van Zyl, J (Jeanre)				Opponent Higham, E (Ethan)
3	3	Tournament 2023 Western Cape Rural Cup				Tournament 2023 Western Cape Rural Cup
		date 2023-12-08	rnd 2	type Blitz	result 1	date 2023-12-08	rnd 4	type Blitz	result 1
		Opponent Cyster, R (Renesme)				Opponent Brink, M (Martin)

#	Games	Start				End
1	3	Tournament Overberg Topskole 2022				Tournament Overberg Topskole 2022
		date 2022-08-30	rnd 3	type Standard	result 1	date 2022-08-30	rnd 5	type Standard	result 1
		Opponent Opperman, E (Eldon)				Opponent Cupido, S (Shade)
2	3	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-03-08	rnd 1	type Standard	result 1	date 2019-03-08	rnd 3	type Standard	result 1
		Opponent Edwards, B (Brandon)				Opponent Tembile, S (Siphosethu)
3	2	Tournament Western Cape Inter Region Cup 2024				Tournament Western Cape Inter Region Cup 2024
		date 2024-03-23	rnd 2	type Standard	result 0.5	date 2024-03-23	rnd 3	type Standard	result 1
		Opponent Minnaar, E (Ethan)				Opponent Ockhuis, M (Marius)

#	Games	Start				End
1	7	Tournament Overberg Schools Open Tournament 2023				Tournament Hermanus Rapid 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Rossouw, N (Niel)				Opponent Swartbooi, G (Gabriel)
2	4	Tournament Overberg Schools Trials 2021				Tournament Overberg Schools Trials 2021
		date 2021-09-18	rnd 1	type Rapid	result 1	date 2021-09-18	rnd 4	type Rapid	result 1
		Opponent September, W (Ronaldinho)				Opponent Higham, E (Ethan)
3	3	Tournament OCF Youth Day Tournament 2022				Tournament Overberg Schools Open Tournament 2023
		date 2022-06-18	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 2	type Rapid	result 1
		Opponent Brink, S (Samantha)				Opponent Pekeur, A (Amy)

#	Games	Start				End
1	3	Tournament 2023 Western Cape Rural Cup				Tournament 2023 Western Cape Rural Cup
		date 2023-12-08	rnd 2	type Blitz	result 1	date 2023-12-08	rnd 4	type Blitz	result 1
		Opponent Cyster, R (Renesme)				Opponent Brink, M (Martin)
2	2	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 4	type Blitz	result 1	date 2022-07-12	rnd 5	type Blitz	result 0.5
		Opponent Mitchells, J (Jamie-Lee)				Opponent Kariem, S (Shakir)
3	2	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 1	type Blitz	result 1	date 2022-07-12	rnd 2	type Blitz	result 1
		Opponent Kruger, J (Jamie)				Opponent Cornforth, RM (Rodney)

#	Games	Start				End
1	7	Tournament Overberg Schools Open Tournament 2023				Tournament Hermanus Rapid 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Rossouw, N (Niel)				Opponent Swartbooi, G (Gabriel)
2	5	Tournament Overberg Closed 2020				Tournament Overberg Schools Trials 2021
		date 2020-03-15	rnd 5	type Standard	result 1	date 2021-09-18	rnd 4	type Rapid	result 1
		Opponent Van Zyl, J (Jeanre)				Opponent Higham, E (Ethan)
3	3	Tournament 2023 Western Cape Rural Cup				Tournament 2023 Western Cape Rural Cup
		date 2023-12-08	rnd 2	type Blitz	result 1	date 2023-12-08	rnd 4	type Blitz	result 1
		Opponent Cyster, R (Renesme)				Opponent Brink, M (Martin)

#	Games	Start				End
1	3	Tournament Overberg Topskole 2022				Tournament Overberg Topskole 2022
		date 2022-08-30	rnd 3	type Standard	result 1	date 2022-08-30	rnd 5	type Standard	result 1
		Opponent Opperman, E (Eldon)				Opponent Cupido, S (Shade)
2	3	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-03-08	rnd 1	type Standard	result 1	date 2019-03-08	rnd 3	type Standard	result 1
		Opponent Edwards, B (Brandon)				Opponent Tembile, S (Siphosethu)
3	2	Tournament WCCA Rural Cup 2022				Tournament WCCA Rural Cup 2022
		date 2022-08-13	rnd 4	type Standard	result 1	date 2022-08-14	rnd 5	type Standard	result 1
		Opponent Abrahams, K (Kenrick)				Opponent Segelaar, G (Geriant)

#	Games	Start				End
1	7	Tournament Overberg Schools Open Tournament 2023				Tournament Hermanus Rapid 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Rossouw, N (Niel)				Opponent Swartbooi, G (Gabriel)
2	4	Tournament Overberg Schools Trials 2021				Tournament Overberg Schools Trials 2021
		date 2021-09-18	rnd 1	type Rapid	result 1	date 2021-09-18	rnd 4	type Rapid	result 1
		Opponent September, W (Ronaldinho)				Opponent Higham, E (Ethan)
3	3	Tournament OCF Youth Day Tournament 2022				Tournament Overberg Schools Open Tournament 2023
		date 2022-06-18	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 2	type Rapid	result 1
		Opponent Brink, S (Samantha)				Opponent Pekeur, A (Amy)

#	Games	Start				End
1	3	Tournament 2023 Western Cape Rural Cup				Tournament 2023 Western Cape Rural Cup
		date 2023-12-08	rnd 2	type Blitz	result 1	date 2023-12-08	rnd 4	type Blitz	result 1
		Opponent Cyster, R (Renesme)				Opponent Brink, M (Martin)
2	2	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 1	type Blitz	result 1	date 2022-07-12	rnd 2	type Blitz	result 1
		Opponent Kruger, J (Jamie)				Opponent Cornforth, RM (Rodney)
3	1	Tournament 2023 Western Cape Rural Cup				Tournament 2023 Western Cape Rural Cup
		date 2023-12-08	rnd 7	type Blitz	result 1	date 2023-12-08	rnd 7	type Blitz	result 1
		Opponent Mitchells, J (Jamie-Lee)				Opponent Mitchells, J (Jamie-Lee)

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	Higham ,E (Ethan)	3	2	141.7	1	1	425	2	1	0	0	0	0
1	Higham ,E (Ethan)	3	1481.7	1623.4	1	1471.9	1906.7	2	1243.3	1481.7	0	0	0
2	Kariem ,S (Shakir)	3	1.5	0	1	0	-425	1	1	425	1	0.5	0
2	Kariem ,S (Shakir)	3	1480.5	1480.5	1	1397.4	1055.5	1	1429.7	1905.5	1	1285.5	1480.5
3	Arnold ,M (Michael)	3	2	141.7	0	0	0	3	2	141.7	0	0	0
3	Arnold ,M (Michael)	3	1503.9	1645.5	0	0	0	3	1447.1	1645.5	0	0	0
4	Crookes ,J (Jonas)	3	0	-425	0	0	0	3	0	-425	0	0	0
4	Crookes ,J (Jonas)	3	1456.1	1031.1	0	0	0	3	1262	1031.1	0	0	0
5	Brink ,M (Martin)	3	1	-141.7	0	0	0	2	0	-425	1	1	425
5	Brink ,M (Martin)	3	1519.7	1378.1	0	0	0	2	1393.8	1094.7	1	1249.4	1944.7
6	Van Wyk ,D (Dimitri)	2	2	425	2	2	425	0	0	0	0	0	0
6	Van Wyk ,D (Dimitri)	2	1004	1429	2	963.4	1429	0	0	0	0	0	0
7	Pieterse ,M (Macdolin)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Pieterse ,M (Macdolin)	2	1289.9	864.9	2	1274.8	864.9	0	0	0	0	0	0
8	Pekeur ,W (Warren)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Pekeur ,W (Warren)	2	1183.6	758.6	2	1141.5	758.6	0	0	0	0	0	0
9	Edwards ,B (Brandon)	2	1	0	2	1	0	0	0	0	0	0	0
9	Edwards ,B (Brandon)	2	1140.6	1140.6	2	1117.8	1140.6	0	0	0	0	0	0
10	Taute ,C (Clayden)	2	0	-425	1	0	-425	1	0	-425	0	0	0
10	Taute ,C (Clayden)	2	1603.4	1178.4	1	1727.1	1178.4	1	769.8	1178.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Mostert, R (Remi)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms