Chess South Africa Ratings Database

PLAYER PAGE

Personal

Williams, Z (Zinan)

Chess SA id

1050132398

FIDE id

Date of birth

2005-12-29 (Adult)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-03-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1172.8	1177.6	1168.4	1200
Raw rating	1172.8	1177.6	1168.4	1200
Weighted rating	1172.8	1177.6	1168.4	1200
Weighted performance	0	0	0	0
Floor	708.4	716.8	704.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	172.4	171.2	173.5	165.8
Highest rating	1208.4 2020-03-01	1292.7 2023-02-01	1219.6 2020-02-01	1200 2018-10-01
Highest raw rating	1208.4 2020-03-01	1216.8 2023-03-01	1204.4 2020-03-01	1200 2024-02-01
Highest weighted rating	1208.4 2022-02-01	1216.8 2023-03-01	1204.4 2022-02-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1292.7 2023-02-01	1219.6 2020-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1172.8	1177.6	1168.4	1200
Analysis
Rating	1172.8	1177.6	1168.4	1200
Raw rating	1172.8	1177.6	1168.4	1200
Weighted rating	1172.8	1177.6	1168.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	708.4	716.8	704.4	700
Max/Min rating change allowed	172.4	171.2	173.5	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	1172.8	1177.6	1168.4	1200
New weighted rating	1172.8	1177.6	1168.4	1200
New weighted performance	0	0	0	0
Temp new rating	1172.8	1177.6	1168.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1172.8	1177.6	1168.4	1200
New K-factor	36	36	36	36
New floor	708.4	716.8	704.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	10	10	0
	5	0	5
	0	0	0
History	21	10	11

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	21	10	47.62	-20.2	1182.5	1162.2
Standard	10	4.5	45	-42.5	1194.6	1152.1
Rapid	11	5.5	50	0	1171.5	1171.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1172.8	1177.6	1168.4	1200
2025-09-01	1172.8	1177.6	1168.4	1200
2025-08-01	1172.8	1177.6	1168.4	1200
2025-07-01	1172.8	1177.6	1168.4	1200
2025-06-01	1172.8	1177.6	1168.4	1200
2025-05-01	1172.8	1177.6	1168.4	1200
2025-04-01	1172.8	1177.6	1168.4	1200
2025-03-01	1172.8	1177.6	1168.4	1200
2025-02-01	1172.8	1177.6	1168.4	1200
2025-01-01	1172.8	1177.6	1168.4	1200
2024-12-01	1172.8	1177.6	1168.4	1200
2024-11-01	1172.8	1177.6	1168.4	1200
2024-10-01	1172.8	1177.6	1168.4	1200
2024-09-01	1172.8	1177.6	1168.4	1200
2024-08-01	1172.8	1177.6	1168.4	1200
2024-07-01	1172.8	1177.6	1168.4	1200
2024-06-01	1172.8	1177.6	1168.4	1200
2024-08-01	1172.8	1177.6	1168.4	1200
2024-04-01	1172.8	1177.6	1168.4	1200
2024-03-01	1172.8	1177.6	1168.4	1200
2024-02-01	1172.8	1177.6	1168.4	1200
2024-01-01	1172.8	1177.6	1168.4	1200
2023-12-01	1172.8	1177.6	1168.4	1200
2023-11-01	1172.8	1177.6	1168.4	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	Cape Winelands Schools Prestige 2023 (U19 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
2	Cape Winelands Schools Chess - Trials 1 2023 (U19 Boys)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
3	Central Winelands Schools Individual Trials 2022 (U18 Boys)	2022-02-19	2022-02-19	Rapid	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
4	Cape Winelands Schools Trials 1 2020 (U15 Boys)	2020-02-15	2020-02-15	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Central Winelands Schools Individual Trials 2022
		date 2020-02-15	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 1	type Rapid	result 1
		Opponent Plaatjies, C (Charl)				Opponent Duipies, J (Jaden)
2	2	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 3	type Standard	result 1	date 2023-03-11	rnd 4	type Standard	result 1
		Opponent Du Plessis, J (Jahmal)				Opponent Cupido, R (Reagon)
3	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 4	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 0.5
		Opponent Lintveldt, D (Dirk Johannes Louis)				Opponent February, B (Benjamim)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 3	type Standard	result 1	date 2023-03-11	rnd 4	type Standard	result 1
		Opponent Du Plessis, J (Jahmal)				Opponent Cupido, R (Reagon)
2	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 4	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 0.5
		Opponent Lintveldt, D (Dirk Johannes Louis)				Opponent February, B (Benjamim)
3	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 1	type Standard	result 1	date 2023-02-25	rnd 1	type Standard	result 1
		Opponent Pieters, J (Jd)				Opponent Pieters, J (Jd)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Central Winelands Schools Individual Trials 2022
		date 2020-02-15	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 1	type Rapid	result 1
		Opponent Plaatjies, C (Charl)				Opponent Duipies, J (Jaden)
2	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 2	type Rapid	result 1	date 2020-02-15	rnd 3	type Rapid	result 1
		Opponent Batoshie, B (Bradley)				Opponent Ayford, Q (Quincy)
3	1	Tournament Central Winelands Schools Individual Trials 2022				Tournament Central Winelands Schools Individual Trials 2022
		date 2022-02-19	rnd 3	type Rapid	result 0.5	date 2022-02-19	rnd 3	type Rapid	result 0.5
		Opponent Le Roux, J (Jamie)				Opponent Le Roux, J (Jamie)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Central Winelands Schools Individual Trials 2022
		date 2020-02-15	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 1	type Rapid	result 1
		Opponent Plaatjies, C (Charl)				Opponent Duipies, J (Jaden)
2	2	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 3	type Standard	result 1	date 2023-03-11	rnd 4	type Standard	result 1
		Opponent Du Plessis, J (Jahmal)				Opponent Cupido, R (Reagon)
3	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 2	type Rapid	result 1	date 2020-02-15	rnd 3	type Rapid	result 1
		Opponent Batoshie, B (Bradley)				Opponent Ayford, Q (Quincy)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 3	type Standard	result 1	date 2023-03-11	rnd 4	type Standard	result 1
		Opponent Du Plessis, J (Jahmal)				Opponent Cupido, R (Reagon)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 4	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Lintveldt, D (Dirk Johannes Louis)				Opponent Lintveldt, D (Dirk Johannes Louis)
3	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 1	type Standard	result 1	date 2023-02-25	rnd 1	type Standard	result 1
		Opponent Pieters, J (Jd)				Opponent Pieters, J (Jd)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Central Winelands Schools Individual Trials 2022
		date 2020-02-15	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 1	type Rapid	result 1
		Opponent Plaatjies, C (Charl)				Opponent Duipies, J (Jaden)
2	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 2	type Rapid	result 1	date 2020-02-15	rnd 3	type Rapid	result 1
		Opponent Batoshie, B (Bradley)				Opponent Ayford, Q (Quincy)

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	Cupido ,A (Ayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Cupido ,A (Ayden)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Lintveldt ,D (Dirk Johannes Louis)	1	1	425	1	1	425	0	0	0	0	0	0
2	Lintveldt ,D (Dirk Johannes Louis)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Segelaar ,G (Geriant)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Segelaar ,G (Geriant)	1	1623.3	1198.3	1	1611.1	1198.3	0	0	0	0	0	0
4	Pieters ,J (Jd)	1	1	425	1	1	425	0	0	0	0	0	0
4	Pieters ,J (Jd)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	February ,B (Benjamim)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	February ,B (Benjamim)	1	1159	1159	1	1200	1159	0	0	0	0	0	0
6	Theunissen ,K (Keagan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Theunissen ,K (Keagan)	1	1165.1	740.1	1	1147.6	740.1	0	0	0	0	0	0
7	Kotze ,I (Izak)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kotze ,I (Izak)	1	717	292	1	733.8	292	0	0	0	0	0	0
8	Du Plessis ,J (Jahmal)	1	1	425	1	1	425	0	0	0	0	0	0
8	Du Plessis ,J (Jahmal)	1	1142	1567	1	1152	1567	0	0	0	0	0	0
9	Nel ,MD (Markus Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nel ,MD (Markus Daniel)	1	1378.7	953.7	1	1343	953.7	0	0	0	0	0	0
10	Cupido ,R (Reagon)	1	1	425	1	1	425	0	0	0	0	0	0
10	Cupido ,R (Reagon)	1	1160.2	1585.2	1	1144.8	1585.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Williams, Z (Zinan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms