Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ehiem, D (David)

Chess SA id

1100160953

FIDE id

Date of birth

2010-12-31 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-10-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1228.5	1235.6	1196.9	1200
Raw rating	1228.5	1235.6	1196.9	1200
Weighted rating	1228.4	1235.6	1196.4	1200
Weighted performance	0	0	0	0
Floor	729.6	735.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	159.2	157.6	166.5	165.8
Highest rating	1418.5 2023-08-01	1417.1 2023-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1229.6 2024-03-01	1235.6 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1229.6 2025-07-01	1235.6 2025-07-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1418.5 2023-08-01	1417.1 2023-08-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1228.5	1235.6	1196.9	1200
Analysis
Rating	1228.5	1235.6	1196.9	1200
Raw rating	1228.5	1235.6	1196.9	1200
Weighted rating	1228.4	1235.6	1196.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	729.6	735.6	700	700
Max/Min rating change allowed	159.2	157.6	166.5	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	1228.5	1235.6	1196.9	1200
New weighted rating	1228.4	1235.6	1196.4	1200
New weighted performance	0	0	0	0
Temp new rating	1228.5	1235.6	1196.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1228.5	1235.6	1196.9	1200
New K-factor	36	36	36	36
New floor	729.6	735.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	0	5
	4	4	0
	0	0	0
	0	0	0
History	9	4	5

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
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	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	9	5	55.56	47.2	1256.6	1303.8
Standard	4	3	75	212.5	1197.8	1410.3
Rapid	5	2	40	-85	1303.6	1218.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1228.5	1235.6	1196.9	1200
2025-09-30	1228.5	1235.6	1196.9	1200
2025-09-01	1228.5	1235.6	1196.9	1200
2025-08-01	1228.5	1235.6	1196.9	1200
2025-07-01	1228.5	1235.6	1196.9	1200
2025-06-01	1228.4	1235.6	1196.9	1200
2025-05-01	1228.3	1235.6	1196.9	1200
2025-04-01	1228	1235.6	1196.9	1200
2025-03-01	1227.7	1235.6	1196.9	1200
2025-02-01	1227.3	1235.6	1196.4	1200
2025-01-01	1227	1235.6	1188.1	1200
2024-12-01	1227	1235.6	1188.1	1200
2024-11-01	1227	1235.6	1188.1	1200
2024-10-01	1229.6	1235.6	1200	1200
2024-09-01	1229.6	1235.6	1200	1200
2024-08-01	1229.6	1235.6	1200	1200
2024-07-01	1229.6	1235.6	1200	1200
2024-09-01	1229.6	1235.6	1200	1200
2024-05-01	1229.6	1235.6	1200	1200
2024-04-01	1229.6	1235.6	1200	1200
2024-03-01	1229.6	1235.6	1200	1200
2024-02-01	1229.6	1235.6	1200	1200
2024-01-01	1229.6	1235.6	1200	1200
2023-12-01	1229.6	1235.6	1200	1200

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	Gauteng Top Schools 2024 (U15 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	2023 Gauteng Top Schools (U13 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	4	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2023 Gauteng Top Schools				Tournament Gauteng Top Schools 2024
		date 2023-08-18	rnd 3	type Standard	result 1	date 2024-10-05	rnd 2	type Rapid	result 1
		Opponent Malefatlho, R (Reabetswe)				Opponent Beukes, M (Meka)

#	Games	Start				End
1	3	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 3	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Malefatlho, R (Reabetswe)				Opponent Makwarela, E (Eugene)

#	Games	Start				End
1	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 2	type Rapid	result 1
		Opponent Niemand, Z (Zandrieg)				Opponent Beukes, M (Meka)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2023 Gauteng Top Schools				Tournament Gauteng Top Schools 2024
		date 2023-08-18	rnd 3	type Standard	result 1	date 2024-10-05	rnd 2	type Rapid	result 1
		Opponent Malefatlho, R (Reabetswe)				Opponent Beukes, M (Meka)

#	Games	Start				End
1	3	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 3	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Malefatlho, R (Reabetswe)				Opponent Makwarela, E (Eugene)

#	Games	Start				End
1	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 2	type Rapid	result 1
		Opponent Niemand, Z (Zandrieg)				Opponent Beukes, M (Meka)

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	Malefatlho ,R (Reabetswe)	1	1	425	1	1	425	0	0	0	0	0	0
1	Malefatlho ,R (Reabetswe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Sebole ,B (Bonolo)	1	1	425	1	1	425	0	0	0	0	0	0
2	Sebole ,B (Bonolo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Esterhuizen ,D (Declan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Esterhuizen ,D (Declan)	1	1191.4	766.4	1	1185.6	766.4	0	0	0	0	0	0
4	Makwarela ,E (Eugene)	1	1	425	1	1	425	0	0	0	0	0	0
4	Makwarela ,E (Eugene)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Beukes ,M (Meka)	1	1	425	0	0	0	1	1	425	0	0	0
5	Beukes ,M (Meka)	1	1256.3	1681.3	0	0	0	1	1218.4	1681.3	0	0	0
6	Negota ,K (Khodani)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Negota ,K (Khodani)	1	1473.8	1048.8	0	0	0	1	1255.4	1048.8	0	0	0
7	Ntshangase ,S (Sifiso)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Ntshangase ,S (Sifiso)	1	1304.6	879.6	0	0	0	1	1199.6	879.6	0	0	0
8	Niemand ,Z (Zandrieg)	1	1	425	0	0	0	1	1	425	0	0	0
8	Niemand ,Z (Zandrieg)	1	1220.3	1645.3	0	0	0	1	1237.4	1645.3	0	0	0
9	Nhleko ,Z (Ziyanda)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Nhleko ,Z (Ziyanda)	1	1262.9	837.9	0	0	0	1	1273	837.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Ehiem, D (David)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms