Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ross, Z (Zayrah)

Chess SA id

1140146478

FIDE id

Date of birth

2014-04-09 (U12)

Gender

Male

Region

John Taolo Gaetswewe (NCJ)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1233	1236.8	1200	1200
Raw rating	1233	1236.8	1200	1200
Weighted rating	1233	1236.8	1200	1200
Weighted performance	0	0	0	0
Floor	733	736.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.2	157.3	165.8	165.8
Highest rating	1272 2023-05-01	1269.5 2023-05-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1233 2024-02-01	1236.8 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1233 2025-04-01	1236.8 2025-04-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1272 2023-05-01	1269.5 2023-05-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1233	1236.8	1200	1200
Analysis
Rating	1233	1236.8	1200	1200
Raw rating	1233	1236.8	1200	1200
Weighted rating	1233	1236.8	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	733	736.8	700	700
Max/Min rating change allowed	158.2	157.3	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	1233	1236.8	1200	1200
New weighted rating	1233	1236.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1233	1236.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1233	1236.8	1200	1200
New K-factor	36	36	36	36
New floor	733	736.8	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	10	10
	5	5
	0	0
History	15	15

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	John Taolo Gaetswewe (NCJ)
Province	Northern Cape (NC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	15	8.5	56.67	56.7	1213.7	1270.4
Standard	15	8.5	56.67	56.7	1213.7	1270.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1233	1236.8	1200	1200
2025-09-01	1233	1236.8	1200	1200
2025-08-01	1233	1236.8	1200	1200
2025-07-01	1233	1236.8	1200	1200
2025-06-01	1233	1236.8	1200	1200
2025-05-01	1233	1236.8	1200	1200
2025-04-01	1233	1236.8	1200	1200
2025-03-01	1233	1236.8	1200	1200
2025-02-01	1233	1236.8	1200	1200
2025-01-01	1233	1236.8	1200	1200
2024-12-01	1233	1236.8	1200	1200
2024-11-01	1233	1236.8	1200	1200
2024-10-01	1233	1236.8	1200	1200
2024-09-01	1233	1236.8	1200	1200
2024-08-01	1233	1236.8	1200	1200
2024-07-01	1233	1236.8	1200	1200
2024-06-01	1233	1236.8	1200	1200
2024-08-01	1233	1236.8	1200	1200
2024-04-01	1233	1236.8	1200	1200
2024-03-01	1233	1236.8	1200	1200
2024-02-01	1233	1236.8	1200	1200
2024-01-01	1233	1236.8	1200	1200
2023-12-01	1233	1236.8	1200	1200
2023-11-01	1233	1236.8	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	Inter Regional Chess Championship 2023 (U10)	2023-05-19	2023-05-20	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
2	Lejweleputswa 3rd Qualifieng Tournament 2023 (E)	2023-04-21	2023-04-21	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
3	Pixley Chess Trials 2022 (U10)	2022-09-03	2022-09-03	Standard	Pixley-ka-Seme (NCP)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Pixley Chess Trials 2022				Tournament Pixley Chess Trials 2022
		date 2022-09-03	rnd 1	type Standard	result 0.5	date 2022-09-03	rnd 4	type Standard	result 1
		Opponent De Noon, S (Stian Johanco)				Opponent Green, M (Melanique)
2	2	Tournament Inter Regional Chess Championship 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-05-20	rnd 3	type Standard	result 1	date 2023-05-20	rnd 4	type Standard	result 1
		Opponent Mokoena, N (Naledientle)				Opponent Murphy, M (Melinke Frances-Laine)
3	2	Tournament Lejweleputswa 3rd Qualifieng Tournament 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-04-21	rnd 5	type Standard	result 1	date 2023-05-19	rnd 1	type Standard	result 1
		Opponent Khoele, M (Mohau)				Opponent Mqakelana, I (Iminathi)

#	Games	Start				End
1	4	Tournament Pixley Chess Trials 2022				Tournament Pixley Chess Trials 2022
		date 2022-09-03	rnd 1	type Standard	result 0.5	date 2022-09-03	rnd 4	type Standard	result 1
		Opponent De Noon, S (Stian Johanco)				Opponent Green, M (Melanique)
2	2	Tournament Inter Regional Chess Championship 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-05-20	rnd 3	type Standard	result 1	date 2023-05-20	rnd 4	type Standard	result 1
		Opponent Mokoena, N (Naledientle)				Opponent Murphy, M (Melinke Frances-Laine)
3	2	Tournament Lejweleputswa 3rd Qualifieng Tournament 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-04-21	rnd 5	type Standard	result 1	date 2023-05-19	rnd 1	type Standard	result 1
		Opponent Khoele, M (Mohau)				Opponent Mqakelana, I (Iminathi)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Inter Regional Chess Championship 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-05-20	rnd 3	type Standard	result 1	date 2023-05-20	rnd 4	type Standard	result 1
		Opponent Mokoena, N (Naledientle)				Opponent Murphy, M (Melinke Frances-Laine)
2	2	Tournament Lejweleputswa 3rd Qualifieng Tournament 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-04-21	rnd 5	type Standard	result 1	date 2023-05-19	rnd 1	type Standard	result 1
		Opponent Khoele, M (Mohau)				Opponent Mqakelana, I (Iminathi)
3	1	Tournament Lejweleputswa 3rd Qualifieng Tournament 2023				Tournament Lejweleputswa 3rd Qualifieng Tournament 2023
		date 2023-04-21	rnd 3	type Standard	result 1	date 2023-04-21	rnd 3	type Standard	result 1
		Opponent Van Wyk, G (Gert)				Opponent Van Wyk, G (Gert)

#	Games	Start				End
1	2	Tournament Inter Regional Chess Championship 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-05-20	rnd 3	type Standard	result 1	date 2023-05-20	rnd 4	type Standard	result 1
		Opponent Mokoena, N (Naledientle)				Opponent Murphy, M (Melinke Frances-Laine)
2	2	Tournament Lejweleputswa 3rd Qualifieng Tournament 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-04-21	rnd 5	type Standard	result 1	date 2023-05-19	rnd 1	type Standard	result 1
		Opponent Khoele, M (Mohau)				Opponent Mqakelana, I (Iminathi)
3	1	Tournament Lejweleputswa 3rd Qualifieng Tournament 2023				Tournament Lejweleputswa 3rd Qualifieng Tournament 2023
		date 2023-04-21	rnd 3	type Standard	result 1	date 2023-04-21	rnd 3	type Standard	result 1
		Opponent Van Wyk, G (Gert)				Opponent Van Wyk, G (Gert)

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	Sithole ,E (Ellen)	1	1	425	1	1	425	0	0	0	0	0	0
1	Sithole ,E (Ellen)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Murphy ,S (Saul)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Murphy ,S (Saul)	1	1382.4	957.4	1	1377.8	957.4	0	0	0	0	0	0
3	Ravhura ,L (Lufuno)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Ravhura ,L (Lufuno)	1	1181.9	756.9	1	1178.4	756.9	0	0	0	0	0	0
4	Murphy ,M (Melinke Frances-Laine)	1	1	425	1	1	425	0	0	0	0	0	0
4	Murphy ,M (Melinke Frances-Laine)	1	1192.6	1617.6	1	1190	1617.6	0	0	0	0	0	0
5	Vermeulen ,P (Petrus Van Der Walt)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Vermeulen ,P (Petrus Van Der Walt)	1	1372.9	947.9	1	1369.9	947.9	0	0	0	0	0	0
6	Olivier ,D (Delene)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Olivier ,D (Delene)	1	1096.4	1096.4	1	1074.4	1096.4	0	0	0	0	0	0
7	Mokoena ,N (Naledientle)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mokoena ,N (Naledientle)	1	1123.7	1548.7	1	1110.8	1548.7	0	0	0	0	0	0
8	Du Plessis ,J (Johandre Jan-Phillip)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Du Plessis ,J (Johandre Jan-Phillip)	1	1247	822	1	1254.8	822	0	0	0	0	0	0
9	Green ,M (Melanique)	1	1	425	1	1	425	0	0	0	0	0	0
9	Green ,M (Melanique)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	De Noon ,SJ (Stian Johanco)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	De Noon ,SJ (Stian Johanco)	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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Statistics

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PLAYER PAGE

Personal

Ross, Z (Zayrah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms