Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Zyl, E (Ethan)

Chess SA id

1080310587

FIDE id

Date of birth

2008-12-09 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1192.2	1182.5	1200	1198.5
Raw rating	1192.2	1182.5	1200	1181.6
Weighted rating	1183.8	1179.8	1200	1198.5
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.7	170	165.8	170.2
Highest rating	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01
Highest raw rating	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01
Highest weighted rating	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-09-01	1200 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	-1.4
New rating	1192.2	1182.5	1200	1197.1
Analysis
Rating	1192.2	1182.5	1200	1198.5
Raw rating	1192.2	1182.5	1200	1181.6
Weighted rating	1183.8	1179.8	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	167.7	170	165.8	170.2
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	1192.2	1182.5	1200	1181.6
New weighted rating	1184.3	1179.6	1200	1197.1
New weighted performance	0	0	0	0
Temp new rating	1192.2	1182.5	1200	1197.1
Temp new rating +/-	0	0	0	-1.4
Final new rating +/-	0	0	0	-1.4
New rating	1192.2	1182.5	1200	1197.1
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Blitz
	0	0	0
	9	0	9
	4	4	0
	0	0	0
	0	0	0
	0	0	0
History	13	4	9

Games since
	Main 13	Standard 4		Rapid 0		Blitz 9
Gender	Male
Age group	U18
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	9	4	44.44	-47.2	1312.6	1265.4
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	9	4	44.44	-47.2	1312.6	1265.4
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	13	4	30.77	-163.5	1323.1	1159.7
Standard	4	0	0	-425	1346.8	921.8
Rapid	0	0	0	0	0	0
Blitz	9	4	44.44	-47.2	1312.6	1265.4

Date	Main	Standard	Rapid	Blitz
2025-11-01	1192.2	1182.5	1200	1181.6
2025-09-30	1185.6	1182.5	1200	1200
2025-09-01	1185.6	1182.5	1200	1200
2025-08-01	1185.6	1182.5	1200	1200
2025-07-01	1185.6	1182.5	1200	1200
2025-06-01	1185.6	1182.5	1200	1200
2025-05-01	1185.6	1182.5	1200	1200
2025-04-01	1185.6	1182.5	1200	1200
2025-03-01	1185.6	1182.5	1200	1200
2025-02-01	1184.1	1180.6	1200	1200
2025-01-01	1156.5	1147.2	1200	1200
2024-12-01	1156.5	1147.2	1200	1200
2024-11-01	1156.5	1147.2	1200	1200
2024-10-01	1156.5	1147.2	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	Goue Liga Blitz 2025	2025-10-25	2025-10-25	Blitz	Johannesburg Metro (GJM)	9	9	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Goue Liga Blitz 2025	2025-10-25	2025-10-25	Blitz	Johannesburg Metro (GJM)	9	9	4	Yes	Analysis
2	Gauteng Schools Individuals Finals 2024 (U18 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament Goue Liga Blitz 2025				Tournament Goue Liga Blitz 2025
		date 2025-10-25	rnd 2	type Blitz	result 1	date 2025-10-25	rnd 4	type Blitz	result 0.5
		Opponent Seitz, R (Rochelle)				Opponent Lyle, A (Alexandre)
2	1	Tournament Goue Liga Blitz 2025				Tournament Goue Liga Blitz 2025
		date 2025-10-25	rnd 9	type Blitz	result 1	date 2025-10-25	rnd 9	type Blitz	result 1
		Opponent Mazibuko, N (Ntokozo)				Opponent Mazibuko, N (Ntokozo)
3	1	Tournament Goue Liga Blitz 2025				Tournament Goue Liga Blitz 2025
		date 2025-10-25	rnd 7	type Blitz	result 0.5	date 2025-10-25	rnd 7	type Blitz	result 0.5
		Opponent Mupalala, K (Kenzo)				Opponent Mupalala, K (Kenzo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

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	Phiri ,L (Lehlohonolo)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Phiri ,L (Lehlohonolo)	1	1244.5	819.5	1	1248.6	819.5	0	0	0	0	0	0
2	Molefi ,B (Bandzile)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Molefi ,B (Bandzile)	1	1300.1	875.1	1	1297.1	875.1	0	0	0	0	0	0
3	Van Der Walt ,T (Tjaart)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Der Walt ,T (Tjaart)	1	1420.8	995.8	1	1427.3	995.8	0	0	0	0	0	0
4	Davids ,A (Anton)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Davids ,A (Anton)	1	1422	997	1	1414.7	997	0	0	0	0	0	0
5	Seitz ,R (Rochelle)	1	1	425	0	0	0	0	0	0	1	1	425
5	Seitz ,R (Rochelle)	1	1200	1625	0	0	0	0	0	0	1	1200	1625
6	Mallane ,S (Siyabonga)	1	0	-425	0	0	0	0	0	0	1	0	-425
6	Mallane ,S (Siyabonga)	1	1200	775	0	0	0	0	0	0	1	1200	775
7	Rossouw ,A (Andries Jacobus Putter)	1	0	-425	0	0	0	0	0	0	1	0	-425
7	Rossouw ,A (Andries Jacobus Putter)	1	1172.4	747.4	0	0	0	0	0	0	1	1184.4	747.4
8	Mupalala ,K (Kenzo)	1	0.5	0	0	0	0	0	0	0	1	0.5	0
8	Mupalala ,K (Kenzo)	1	1534.9	1534.9	0	0	0	0	0	0	1	1213.7	1534.9
9	Mazibuko ,N (Ntokozo)	1	1	425	0	0	0	0	0	0	1	1	425
9	Mazibuko ,N (Ntokozo)	1	1200	1625	0	0	0	0	0	0	1	1200	1625
10	Botha ,JCC (Johannes Christiaan Corneli)	1	0	-425	0	0	0	0	0	0	1	0	-425
10	Botha ,JCC (Johannes Christiaan Corneli)	1	1621.1	1196.1	0	0	0	0	0	0	1	1200	1196.1

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Zyl, E (Ethan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms