Chess South Africa Ratings Database

PLAYER PAGE

Personal

Stembok, E (Embrose)

Chess SA id

1080316041

FIDE id

Date of birth

2008-03-04 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1229.7	1221.4	1199.9	1200
Raw rating	1229.7	1221.4	1199.9	1200
Weighted rating	1211.4	1204.9	1199.9	1200
Weighted performance	0	0	0	0
Floor	729.7	721.4	699.9	700
K-factor	36	36	40	36
Min/Max rating change allowed	159	160.8	165.8	165.8
Highest rating	1229.7 2025-09-01	1221.4 2025-09-01	1199.9 2025-02-24	1200 2025-03-01
Highest raw rating	1229.7 2025-09-01	1221.4 2025-09-01	1199.9 2025-02-24	1200 2025-03-01
Highest weighted rating	1207.4 2025-09-01	1201.7 2025-09-01	1199.9 2025-02-24	1200 2025-03-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1229.7	1221.4	1199.9	1200
Analysis
Rating	1229.7	1221.4	1199.9	1200
Raw rating	1229.7	1221.4	1199.9	1200
Weighted rating	1211.4	1204.9	1199.9
Weighted performance	0	0	0
K-factor	36	36	40	36
Floor	729.7	721.4	699.9	700
Max/Min rating change allowed	159	160.8	165.8	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	1229.7	1221.4	1199.9	1200
New weighted rating	1213.2	1206.4	1199.9	1200
New weighted performance	0	0	0	0
Temp new rating	1229.7	1221.4	1199.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1229.7	1221.4	1199.9	1200
New K-factor	36	36	40	36
New floor	729.7	721.4	699.9	700

Item	Main	Standard	Rapid
	0	0	0
	10	5	5
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	10	5	5

Games since
	Main 10	Standard 5		Rapid 5		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	10	5	50	0	1292.9	1292.9
Standard	5	3	60	85	1218.9	1303.9
Rapid	5	2	40	-85	1367	1282
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	5	50	0	1292.9	1292.9
Standard	5	3	60	85	1218.9	1303.9
Rapid	5	2	40	-85	1367	1282
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1229.7	1221.4	1199.9	1200
2025-09-30	1229.7	1221.4	1199.9	1200
2025-09-01	1229.7	1221.4	1199.9	1200
2025-08-01	1212.3	1200	1199.9	1200
2025-07-01	1212.3	1200	1199.9	1200
2025-06-01	1212.3	1200	1199.9	1200
2025-05-01	1212.3	1200	1199.9	1200
2025-04-01	1212.3	1200	1199.8	1200
2025-03-01	1212.3	1200	1198.7	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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	Mossel Bay Top Schools 2025 (U18 Open)	2025-08-02	2025-08-02	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Mossel Bay Schools Trials 2 2025 (U17 Boys)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	0	0	No	Analysis
3	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mossel Bay Top Schools 2025 (U18 Open)	2025-08-02	2025-08-02	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Mossel Bay Schools Trials 2 2025 (U17 Boys)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	0	0	No	Analysis
3	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Nkabi, A (Ayakha)				Opponent Kiewiet, C (Curtis)
2	1	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Mnisi, S (Siphamandla)				Opponent Mnisi, S (Siphamandla)
3	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 5	type Rapid	result 1	date 2025-02-23	rnd 5	type Rapid	result 1
		Opponent Kemp, J (Jaden)				Opponent Kemp, J (Jaden)

#	Games	Start				End
1	2	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Nkabi, A (Ayakha)				Opponent Kiewiet, C (Curtis)
2	1	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Mnisi, S (Siphamandla)				Opponent Mnisi, S (Siphamandla)

#	Games	Start				End
1	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 5	type Rapid	result 1	date 2025-02-23	rnd 5	type Rapid	result 1
		Opponent Kemp, J (Jaden)				Opponent Kemp, J (Jaden)
2	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 3	type Rapid	result 1	date 2025-02-23	rnd 3	type Rapid	result 1
		Opponent Lewis, M (Mark)				Opponent Lewis, M (Mark)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Nkabi, A (Ayakha)				Opponent Kiewiet, C (Curtis)
2	1	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Mnisi, S (Siphamandla)				Opponent Mnisi, S (Siphamandla)
3	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 5	type Rapid	result 1	date 2025-02-23	rnd 5	type Rapid	result 1
		Opponent Kemp, J (Jaden)				Opponent Kemp, J (Jaden)

#	Games	Start				End
1	2	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Nkabi, A (Ayakha)				Opponent Kiewiet, C (Curtis)
2	1	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Mnisi, S (Siphamandla)				Opponent Mnisi, S (Siphamandla)

#	Games	Start				End
1	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 5	type Rapid	result 1	date 2025-02-23	rnd 5	type Rapid	result 1
		Opponent Kemp, J (Jaden)				Opponent Kemp, J (Jaden)
2	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 3	type Rapid	result 1	date 2025-02-23	rnd 3	type Rapid	result 1
		Opponent Lewis, M (Mark)				Opponent Lewis, M (Mark)

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	Nkabi ,A (Ayakha)	1	1	425	1	1	425	0	0	0	0	0	0
1	Nkabi ,A (Ayakha)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Mnisi ,S (Siphamandla)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mnisi ,S (Siphamandla)	1	1058.4	1483.4	1	1043.5	1483.4	0	0	0	0	0	0
3	Beukes ,R (Rayneqo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Beukes ,R (Rayneqo)	1	1209.9	784.9	1	1201.4	784.9	0	0	0	0	0	0
4	Kiewiet ,B (B Jay)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Kiewiet ,B (B Jay)	1	1426.4	1001.4	1	1399.6	1001.4	0	0	0	0	0	0
5	Kiewiet ,C (Curtis)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kiewiet ,C (Curtis)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Booysen ,D (Danro)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Booysen ,D (Danro)	1	1205.3	780.3	0	0	0	1	1200	780.3	0	0	0
7	Claassen ,M (Mervin)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Claassen ,M (Mervin)	1	1548.5	1123.5	0	0	0	1	1234.9	1123.5	0	0	0
8	Claassen ,R (Ruwaldo)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Claassen ,R (Ruwaldo)	1	1593.7	1168.7	0	0	0	1	1223.4	1168.7	0	0	0
9	Kemp ,J (Jadon)	1	1	425	0	0	0	1	1	425	0	0	0
9	Kemp ,J (Jadon)	1	1196.9	1621.9	0	0	0	1	1200	1621.9	0	0	0
10	Lewis ,M (Mark)	1	1	425	0	0	0	1	1	425	0	0	0
10	Lewis ,M (Mark)	1	1290.8	1715.8	0	0	0	1	1199.1	1715.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Stembok, E (Embrose)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms