Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mostert, K (Kael)

Chess SA id

104025237

FIDE id

Date of birth

2004-11-09 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2021-02-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	846.8	815.6	818.6	716.4
Raw rating	846.8	815.6	818.6	716.4
Weighted rating	846.8	815.6	818.4	716.4
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	274.3	286.7	285.5	330.3
Highest rating	1512.7 2019-07-01	1316 2021-02-01	1616.5 2019-07-01	1200 2024-03-01
Highest raw rating	846.8 2024-03-01	815.6 2024-03-01	818.6 2024-03-01	716.4 2024-03-01
Highest weighted rating	846.8 2024-11-01	815.6 2024-11-01	818.6 2024-11-01	716.4 2024-11-01
Highest weighted performance	1512.7 2019-07-01	1316 2021-02-01	1616.5 2019-07-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	846.8	815.6	818.6	716.4
Analysis
Rating	846.8	815.6	818.6	716.4
Raw rating	846.8	815.6	818.6	716.4
Weighted rating	846.8	815.6	818.4
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	274.3	286.7	285.5	330.3
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	846.8	815.6	818.6	716.4
New weighted rating	846.8	815.6	818.5	716.4
New weighted performance	0	0	0	0
Temp new rating	846.8	815.6	818.6	716.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	846.8	815.6	818.6	716.4
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	5	5	0
History	73	52	21

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	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	7	4.5	64.29	121.4	1273.9	1395.4
Standard	5	2.5	50	0	1322.2	1322.2
Rapid	2	2	100	425	1153.3	1578.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	846.8	815.6	818.6	716.4
2025-09-01	846.8	815.6	818.6	716.4
2025-08-01	846.8	815.6	818.6	716.4
2025-07-01	846.8	815.6	818.6	716.4
2025-06-01	846.8	815.6	818.6	716.4
2025-05-01	846.8	815.6	818.6	716.4
2025-04-01	846.8	815.6	818.6	716.4
2025-03-01	846.8	815.6	818.6	716.4
2025-02-01	846.8	815.6	818.6	716.4
2025-01-01	846.8	815.6	818.6	716.4
2024-12-01	846.8	815.6	818.6	716.4
2024-11-01	846.8	815.6	818.6	716.4
2024-10-01	846.8	815.6	818.6	716.4
2024-09-01	846.8	815.6	818.6	716.4
2024-08-01	846.8	815.6	818.6	716.4
2024-07-01	846.8	815.6	818.6	716.4
2024-06-01	846.8	815.6	818.6	716.4
2024-08-01	846.8	815.6	818.6	716.4
2024-04-01	846.8	815.6	818.6	716.4
2024-03-01	846.8	815.6	818.6	716.4
2024-02-01	846.8	815.6	818.6	716.4
2024-01-01	846.8	815.6	818.6	716.4
2023-12-01	846.8	815.6	796	716.4
2023-11-01	846.8	815.6	796	716.4

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	Paul Roos Gymnasium Covid-19 Challenge 2021 (B)	2021-02-27	2021-02-28	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
2	Cape Winelands Schools - Top Schools 2019 (U15 Mix)	2019-07-27	2019-07-27	Rapid	Cape Winelands (WCW)	3	2	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2019-07-27	rnd 1	type Rapid	result 1	date 2021-02-27	rnd 2	type Standard	result 1
		Opponent Madolo, S (Siyolise)				Opponent Reyneke, A (Andor)
2	1	Tournament Paul Roos Gymnasium Covid-19 Challenge 2021				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2021-02-28	rnd 4	type Standard	result 1	date 2021-02-28	rnd 4	type Standard	result 1
		Opponent Hagen, D (Dirk)				Opponent Hagen, D (Dirk)

#	Games	Start				End
1	2	Tournament Paul Roos Gymnasium Covid-19 Challenge 2021				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2021-02-27	rnd 1	type Standard	result 0.5	date 2021-02-27	rnd 2	type Standard	result 1
		Opponent Geyser, G (Gavin)				Opponent Reyneke, A (Andor)
2	1	Tournament Paul Roos Gymnasium Covid-19 Challenge 2021				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2021-02-28	rnd 4	type Standard	result 1	date 2021-02-28	rnd 4	type Standard	result 1
		Opponent Hagen, D (Dirk)				Opponent Hagen, D (Dirk)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Cape Winelands Schools - Top Schools 2019
		date 2019-07-27	rnd 1	type Rapid	result 1	date 2019-07-27	rnd 2	type Rapid	result 1
		Opponent Madolo, S (Siyolise)				Opponent Eksteen, S (Steven)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Cape Winelands Schools - Top Schools 2019
		date 2019-07-27	rnd 1	type Rapid	result 1	date 2019-07-27	rnd 2	type Rapid	result 1
		Opponent Madolo, S (Siyolise)				Opponent Eksteen, S (Steven)
2	1	Tournament Paul Roos Gymnasium Covid-19 Challenge 2021				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2021-02-28	rnd 4	type Standard	result 1	date 2021-02-28	rnd 4	type Standard	result 1
		Opponent Hagen, D (Dirk)				Opponent Hagen, D (Dirk)
3	1	Tournament Paul Roos Gymnasium Covid-19 Challenge 2021				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2021-02-27	rnd 2	type Standard	result 1	date 2021-02-27	rnd 2	type Standard	result 1
		Opponent Reyneke, A (Andor)				Opponent Reyneke, A (Andor)

#	Games	Start				End
1	1	Tournament Paul Roos Gymnasium Covid-19 Challenge 2021				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2021-02-28	rnd 4	type Standard	result 1	date 2021-02-28	rnd 4	type Standard	result 1
		Opponent Hagen, D (Dirk)				Opponent Hagen, D (Dirk)
2	1	Tournament Paul Roos Gymnasium Covid-19 Challenge 2021				Tournament Paul Roos Gymnasium Covid-19 Challenge 2021
		date 2021-02-27	rnd 2	type Standard	result 1	date 2021-02-27	rnd 2	type Standard	result 1
		Opponent Reyneke, A (Andor)				Opponent Reyneke, A (Andor)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Cape Winelands Schools - Top Schools 2019
		date 2019-07-27	rnd 1	type Rapid	result 1	date 2019-07-27	rnd 2	type Rapid	result 1
		Opponent Madolo, S (Siyolise)				Opponent Eksteen, S (Steven)

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	Lielieveld ,F (Franco)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Lielieveld ,F (Franco)	1	1495	1070	1	1400.7	1070	0	0	0	0	0	0
2	Geyser ,G (Gavin)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Geyser ,G (Gavin)	1	1343.3	1343.3	1	1327.6	1343.3	0	0	0	0	0	0
3	Campbell ,G (Grant)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Campbell ,G (Grant)	1	1396.1	971.1	1	1426.7	971.1	0	0	0	0	0	0
4	Reyneke ,A (Andor)	1	1	425	1	1	425	0	0	0	0	0	0
4	Reyneke ,A (Andor)	1	1179.7	1604.7	1	1172	1604.7	0	0	0	0	0	0
5	Hagen ,D (Dirk)	1	1	425	1	1	425	0	0	0	0	0	0
5	Hagen ,D (Dirk)	1	1196.7	1621.7	1	1192.4	1621.7	0	0	0	0	0	0
6	Eksteen ,S (Steven)	1	1	425	0	0	0	1	1	425	0	0	0
6	Eksteen ,S (Steven)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Madolo ,S (Siyolise)	1	1	425	0	0	0	1	1	425	0	0	0
7	Madolo ,S (Siyolise)	1	1106.7	1531.7	0	0	0	1	1154.4	1531.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Mostert, K (Kael)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms