Chess South Africa Ratings Database

PLAYER PAGE

Personal

Schiel, Z (Zach Gregory)

Chess SA id

1110315381

FIDE id

Date of birth

2011-07-12 (U16)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1235.3	1237.7	1200	1200
Raw rating	1235.3	1237.7	1200	1200
Weighted rating	1216.7	1217.4	1200	1200
Weighted performance	0	0	0	0
Floor	735.3	737.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.7	157.2	165.8	165.8
Highest rating	1235.3 2025-09-30	1237.7 2025-09-30	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1235.3 2025-09-30	1237.7 2025-09-30	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1209.9 2025-09-30	1210.1 2025-09-30	1200 2025-03-01	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	1235.3	1237.7	1200	1200
Analysis
Rating	1235.3	1237.7	1200	1200
Raw rating	1235.3	1237.7	1200	1200
Weighted rating	1216.7	1217.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	735.3	737.7	700	700
Max/Min rating change allowed	157.7	157.2	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	1235.3	1237.7	1200	1200
New weighted rating	1218.7	1219.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1235.3	1237.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1235.3	1237.7	1200	1200
New K-factor	36	36	36	36
New floor	735.3	737.7	700	700

Item	Main	Standard
	0	0
	13	13
	0	0
	0	0
	0	0
	0	0
History	13	13

Games since
	Main 13	Standard 13		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Ekurhuleni (GE)
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	13	7.5	57.69	65.4	1215.8	1281.1
Standard	13	7.5	57.69	65.4	1215.8	1281.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	13	7.5	57.69	65.4	1215.8	1281.1
Standard	13	7.5	57.69	65.4	1215.8	1281.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1235.3	1237.7	1200	1200
2025-11-30	1235.3	1237.7	1200	1200
2025-11-01	1235.3	1237.7	1200	1200
2025-09-30	1235.3	1237.7	1200	1200
2025-09-01	1224.6	1224.7	1200	1200
2025-08-01	1224.6	1224.7	1200	1200
2025-07-01	1224.6	1224.7	1200	1200
2025-06-01	1224.6	1224.7	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1199.8	1199.7	1200	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
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	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

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	St Peters College Sports & Cultural Festival 2025	2025-09-19	2025-09-20	Standard	Johannesburg Metro (GJM)	6	6	3.5	Yes	Analysis
2	Benoni High School Cluster 2025 (U19)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	3	2	Yes	Analysis
3	Benoni High School Cluster 15Feb 2025 (U15 Boys)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Marais, L (Lodewyk)				Opponent Molefe, K (Katlego)
2	2	Tournament St Peters College Sports & Cultural Festival 2025				Tournament St Peters College Sports & Cultural Festival 2025
		date 2025-09-19	rnd 4	type Standard	result 1	date 2025-09-20	rnd 5	type Standard	result 1
		Opponent Mokgerepi, O (Oarabile)				Opponent Khandoo, J (Jiya)
3	2	Tournament St Peters College Sports & Cultural Festival 2025				Tournament St Peters College Sports & Cultural Festival 2025
		date 2025-09-19	rnd 1	type Standard	result 1	date 2025-09-19	rnd 2	type Standard	result 0.5
		Opponent Leshupi, L (Lesedi)				Opponent Mkhwanazi, M (Mercy)

#	Games	Start				End
1	4	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Marais, L (Lodewyk)				Opponent Molefe, K (Katlego)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Marais, L (Lodewyk)				Opponent Molefe, K (Katlego)

#	Games	Start				End
1	4	Tournament Benoni High School Cluster 15Feb 2025				Tournament Benoni High School Cluster 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Marais, L (Lodewyk)				Opponent Molefe, K (Katlego)

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	Mphalehle ,K (Kgethego)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mphalehle ,K (Kgethego)	1	1258.3	1683.3	1	1268	1683.3	0	0	0	0	0	0
2	Coetser ,W (Wian)	1	1	425	1	1	425	0	0	0	0	0	0
2	Coetser ,W (Wian)	1	1196.9	1621.9	1	1200	1621.9	0	0	0	0	0	0
3	Khandoo ,J (Jiya)	1	1	425	1	1	425	0	0	0	0	0	0
3	Khandoo ,J (Jiya)	1	1230.4	1655.4	1	1232.8	1655.4	0	0	0	0	0	0
4	Chisango ,T (Trafford)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Chisango ,T (Trafford)	1	1158.8	733.8	1	1151.8	733.8	0	0	0	0	0	0
5	Boumhaout ,Y (Youssef)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Boumhaout ,Y (Youssef)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Marais ,L (Lodewyk)	1	1	425	1	1	425	0	0	0	0	0	0
6	Marais ,L (Lodewyk)	1	1189.5	1614.5	1	1174	1614.5	0	0	0	0	0	0
7	Ambrose ,V (Valentino)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ambrose ,V (Valentino)	1	1219.8	794.8	1	1226	794.8	0	0	0	0	0	0
8	Mokgerepi ,O (Oarabile)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mokgerepi ,O (Oarabile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Molefe ,K (Katlego)	1	1	425	1	1	425	0	0	0	0	0	0
9	Molefe ,K (Katlego)	1	1364.7	1789.7	1	1243.4	1789.7	0	0	0	0	0	0
10	Mkhwanazi ,M (Mercy)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Mkhwanazi ,M (Mercy)	1	1200	1200	1	1200	1200	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Schiel, Z (Zach Gregory)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms