Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bosch, Z (Zarynne)

Chess SA id

1040146329

FIDE id

Date of birth

2004-05-13 (Adult)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-08-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1185.7	1200	1161.2	1136
Raw rating	1185.7	1200	1161.2	1136
Weighted rating	1185.7	1200	1161.2	1136
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.2	165.8	175.2	181.6
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2024-03-01	1200 2019-12-01	1200 2019-12-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2024-03-01	1200 2019-12-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1185.7	1200	1161.2	1136
Analysis
Rating	1185.7	1200	1161.2	1136
Raw rating	1185.7	1200	1161.2	1136
Weighted rating	1185.7	1200	1161.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	169.2	165.8	175.2	181.6
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	1185.7	1200	1161.2	1136
New weighted rating	1185.7	1200	1161.2	1136
New weighted performance	0	0	0	0
Temp new rating	1185.7	1200	1161.2	1136
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1185.7	1200	1161.2	1136
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	10	5	5
	0	0	0
History	10	5	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
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	10	3	30	-170	1220.1	1050.1
Standard	0	0	0	0	0	0
Rapid	5	2	40	-85	1218.1	1133.1
Blitz	5	1	20	-255	1222.1	967.1

Date	Main	Standard	Rapid	Blitz
2025-11-01	1185.7	1200	1161.2	1136
2025-09-30	1185.7	1200	1161.2	1136
2025-09-01	1185.7	1200	1161.2	1136
2025-08-01	1185.7	1200	1161.2	1136
2025-07-01	1185.7	1200	1161.2	1136
2025-06-01	1185.7	1200	1161.2	1136
2025-05-01	1185.7	1200	1161.2	1136
2025-04-01	1185.7	1200	1161.2	1136
2025-03-01	1185.7	1200	1161.2	1136
2025-02-01	1185.7	1200	1161.2	1136
2025-01-01	1185.7	1200	1161.2	1136
2024-12-01	1185.7	1200	1161.2	1136
2024-11-01	1185.7	1200	1161.2	1136
2024-10-01	1185.7	1200	1161.2	1136
2024-09-01	1185.7	1200	1161.2	1136
2024-08-01	1185.7	1200	1161.2	1136
2024-07-01	1185.7	1200	1161.2	1136
2024-09-01	1185.7	1200	1161.2	1136
2024-05-01	1185.7	1200	1161.2	1136
2024-04-01	1185.7	1200	1161.2	1136
2024-03-01	1185.7	1200	1161.2	1136
2024-02-01	1185.7	1200	1161.2	1136
2024-01-01	1185.7	1200	1161.2	1136
2023-12-01	1185.7	1200	1161.2	1136

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	2022 Westering Tournament (Rapid)	2022-08-27	2022-08-27	Rapid	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
2	2022 Westering Tournament (Blitz)	2022-08-27	2022-08-27	Blitz	Nelson Mandela Bay (ENM)	7	5	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 5	type Rapid	result 1	date 2022-08-27	rnd 5	type Rapid	result 1
		Opponent Pikinini, N (Ntsika)				Opponent Pikinini, N (Ntsika)
2	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 3	type Blitz	result 1	date 2022-08-27	rnd 3	type Blitz	result 1
		Opponent Cerfonteyn, R (Raees)				Opponent Cerfonteyn, R (Raees)
3	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 3	type Rapid	result 1	date 2022-08-27	rnd 3	type Rapid	result 1
		Opponent Nomdoe, A (Aron)				Opponent Nomdoe, A (Aron)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 5	type Rapid	result 1	date 2022-08-27	rnd 5	type Rapid	result 1
		Opponent Pikinini, N (Ntsika)				Opponent Pikinini, N (Ntsika)
2	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 3	type Rapid	result 1	date 2022-08-27	rnd 3	type Rapid	result 1
		Opponent Nomdoe, A (Aron)				Opponent Nomdoe, A (Aron)

#	Games	Start				End
1	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 3	type Blitz	result 1	date 2022-08-27	rnd 3	type Blitz	result 1
		Opponent Cerfonteyn, R (Raees)				Opponent Cerfonteyn, R (Raees)

#	Games	Start				End
1	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 5	type Rapid	result 1	date 2022-08-27	rnd 5	type Rapid	result 1
		Opponent Pikinini, N (Ntsika)				Opponent Pikinini, N (Ntsika)
2	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 3	type Blitz	result 1	date 2022-08-27	rnd 3	type Blitz	result 1
		Opponent Cerfonteyn, R (Raees)				Opponent Cerfonteyn, R (Raees)
3	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 3	type Rapid	result 1	date 2022-08-27	rnd 3	type Rapid	result 1
		Opponent Nomdoe, A (Aron)				Opponent Nomdoe, A (Aron)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 5	type Rapid	result 1	date 2022-08-27	rnd 5	type Rapid	result 1
		Opponent Pikinini, N (Ntsika)				Opponent Pikinini, N (Ntsika)
2	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 3	type Rapid	result 1	date 2022-08-27	rnd 3	type Rapid	result 1
		Opponent Nomdoe, A (Aron)				Opponent Nomdoe, A (Aron)

#	Games	Start				End
1	1	Tournament 2022 Westering Tournament				Tournament 2022 Westering Tournament
		date 2022-08-27	rnd 3	type Blitz	result 1	date 2022-08-27	rnd 3	type Blitz	result 1
		Opponent Cerfonteyn, R (Raees)				Opponent Cerfonteyn, R (Raees)

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	Pikinini ,N (Ntsika)	1	1	425	0	0	0	1	1	425	0	0	0
1	Pikinini ,N (Ntsika)	1	1165.7	1590.7	0	0	0	1	1200	1590.7	0	0	0
2	Jenecker ,J (Jayden)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Jenecker ,J (Jayden)	1	1333.2	908.2	0	0	0	1	1092.4	908.2	0	0	0
3	Kwake ,N (Nkazimlo)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Kwake ,N (Nkazimlo)	1	1224.3	799.3	0	0	0	1	1210.4	799.3	0	0	0
4	Nomdoe ,A (Aron)	1	1	425	0	0	0	1	1	425	0	0	0
4	Nomdoe ,A (Aron)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Van Der Bank ,Z (Zak)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Van Der Bank ,Z (Zak)	1	1167.5	742.5	0	0	0	1	860.4	742.5	0	0	0
6	Grigor ,R (Ruan)	1	0	-425	0	0	0	0	0	0	1	0	-425
6	Grigor ,R (Ruan)	1	1171.6	746.6	0	0	0	0	0	0	1	1087.2	746.6
7	Blandy ,L (Levi)	1	0	-425	0	0	0	0	0	0	1	0	-425
7	Blandy ,L (Levi)	1	1249.8	824.8	0	0	0	0	0	0	1	1200	824.8
8	Cerfonteyn ,R (Raees)	1	1	425	0	0	0	0	0	0	1	1	425
8	Cerfonteyn ,R (Raees)	1	1239	1664	0	0	0	0	0	0	1	1200	1664
9	Swartbooi ,U (Una)	1	0	-425	0	0	0	0	0	0	1	0	-425
9	Swartbooi ,U (Una)	1	1181.9	756.9	0	0	0	0	0	0	1	1200	756.9
10	Chipunza ,J (James)	1	0	-425	0	0	0	0	0	0	1	0	-425
10	Chipunza ,J (James)	1	1268.1	843.1	0	0	0	0	0	0	1	1190	843.1

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Bosch, Z (Zarynne)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms