Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oliver, Z (Zach)

Chess SA id

1100191240

FIDE id

Date of birth

2010-08-25 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1182.1	1173.7	1208.3	1200
Raw rating	1182.1	1173.7	1208.3	1200
Weighted rating	1180.2	1171.2	1208.3	1200
Weighted performance	0	0	0	0
Floor	703.7	700	708.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	170.1	172.2	163.9	165.8
Highest rating	1203.7 2024-02-01	1200 2018-10-01	1235.4 2023-11-01	1200 2018-10-01
Highest raw rating	1203.7 2024-02-01	1200 2024-02-01	1208.3 2024-02-01	1200 2024-02-01
Highest weighted rating	1203.7 2024-02-01	1200 2018-10-01	1208.2 2025-08-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1235.4 2023-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1182.1	1173.7	1208.3	1200
Analysis
Rating	1182.1	1173.7	1208.3	1200
Raw rating	1182.1	1173.7	1208.3	1200
Weighted rating	1180.2	1171.2	1208.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	703.7	700	708.3	700
Max/Min rating change allowed	170.1	172.2	163.9	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	1182.1	1173.7	1208.3	1200
New weighted rating	1180.2	1171.1	1208.3	1200
New weighted performance	0	0	0	0
Temp new rating	1182.1	1173.7	1208.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1182.1	1173.7	1208.3	1200
New K-factor	36	36	36	36
New floor	703.7	700	708.3	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	4	4	0
	6	0	6
	0	0	0
	0	0	0
History	10	4	6

Games since
	Main 10	Standard 4		Rapid 6		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	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	4	40	-85	1219.2	1134.2
Standard	4	1	25	-212.5	1212.1	999.6
Rapid	6	3	50	0	1224	1224
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1182.1	1173.7	1208.3	1200
2025-09-01	1182.1	1173.7	1208.3	1200
2025-08-01	1182.1	1173.7	1208.3	1200
2025-07-01	1182.1	1173.7	1208.3	1200
2025-06-01	1182.1	1173.7	1208.3	1200
2025-05-01	1182.1	1173.7	1208.3	1200
2025-04-01	1182.1	1173.7	1208.3	1200
2025-03-01	1182.1	1173.7	1208.3	1200
2025-02-01	1182	1173.7	1208.3	1200
2025-01-01	1175	1164.4	1208.3	1200
2024-12-01	1175	1164.4	1208.3	1200
2024-11-01	1175	1164.4	1208.3	1200
2024-10-01	1175	1164.4	1208.3	1200
2024-09-01	1175	1164.4	1208.3	1200
2024-08-01	1175	1164.4	1208.3	1200
2024-07-01	1175	1164.4	1208.3	1200
2024-06-01	1175	1164.4	1208.3	1200
2024-08-01	1175	1164.4	1208.3	1200
2024-04-01	1175	1164.4	1208.3	1200
2024-03-01	1175	1164.4	1208.3	1200
2024-02-01	1203.7	1200	1208.3	1200
2024-01-01	1203.7	1200	1208.3	1200
2023-12-01	1203.7	1200	1208.3	1200
2023-11-01	1203.7	1200	1208.3	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	CT District East Schools Chess Individuals Trails 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	4	1	Yes	Analysis
2	Grant East Primary School Invitational Chess Tournament 2023 (U13 Mixed)	2023-11-04	2023-11-04	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	1	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Cumbi, S (Sibulele)				Opponent Cumbi, S (Sibulele)
2	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Khumalo, M (Mthulisi)				Opponent Khumalo, M (Mthulisi)
3	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 3	type Rapid	result 1	date 2023-11-04	rnd 3	type Rapid	result 1
		Opponent Muzariri, E (Ethan)				Opponent Muzariri, E (Ethan)

#	Games	Start				End
1	1	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Cumbi, S (Sibulele)				Opponent Cumbi, S (Sibulele)

#	Games	Start				End
1	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Khumalo, M (Mthulisi)				Opponent Khumalo, M (Mthulisi)
2	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 3	type Rapid	result 1	date 2023-11-04	rnd 3	type Rapid	result 1
		Opponent Muzariri, E (Ethan)				Opponent Muzariri, E (Ethan)
3	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 1	type Rapid	result 1	date 2023-11-04	rnd 1	type Rapid	result 1
		Opponent Nakani, M (Milani)				Opponent Nakani, M (Milani)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Cumbi, S (Sibulele)				Opponent Cumbi, S (Sibulele)
2	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Khumalo, M (Mthulisi)				Opponent Khumalo, M (Mthulisi)
3	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 3	type Rapid	result 1	date 2023-11-04	rnd 3	type Rapid	result 1
		Opponent Muzariri, E (Ethan)				Opponent Muzariri, E (Ethan)

#	Games	Start				End
1	1	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Cumbi, S (Sibulele)				Opponent Cumbi, S (Sibulele)

#	Games	Start				End
1	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Khumalo, M (Mthulisi)				Opponent Khumalo, M (Mthulisi)
2	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 3	type Rapid	result 1	date 2023-11-04	rnd 3	type Rapid	result 1
		Opponent Muzariri, E (Ethan)				Opponent Muzariri, E (Ethan)
3	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 1	type Rapid	result 1	date 2023-11-04	rnd 1	type Rapid	result 1
		Opponent Nakani, M (Milani)				Opponent Nakani, M (Milani)

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	Nyandebvu ,M (Mannasseh)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Nyandebvu ,M (Mannasseh)	1	1236.1	811.1	1	1210.4	811.1	0	0	0	0	0	0
2	Cumbi ,S (Sibulele)	1	1	425	1	1	425	0	0	0	0	0	0
2	Cumbi ,S (Sibulele)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Samuels ,J (Jean)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Samuels ,J (Jean)	1	1212.4	787.4	1	1200	787.4	0	0	0	0	0	0
4	Hanekom ,T (Tristan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Hanekom ,T (Tristan)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Nakani ,M (Milani)	1	1	425	0	0	0	1	1	425	0	0	0
5	Nakani ,M (Milani)	1	1115.4	1540.4	0	0	0	1	1148	1540.4	0	0	0
6	Khumalo ,M (Mthulisi)	1	1	425	0	0	0	1	1	425	0	0	0
6	Khumalo ,M (Mthulisi)	1	1207.3	1632.3	0	0	0	1	1213.4	1632.3	0	0	0
7	Swanepoel ,D (Dominique Rachel)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Swanepoel ,D (Dominique Rachel)	1	1211.7	786.7	0	0	0	1	1201	786.7	0	0	0
8	Muzariri ,E (Ethan)	1	1	425	0	0	0	1	1	425	0	0	0
8	Muzariri ,E (Ethan)	1	1212	1637	0	0	0	1	1228.4	1637	0	0	0
9	Yoon ,YJ (Yea Jun)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Yoon ,YJ (Yea Jun)	1	1353.5	928.5	0	0	0	1	1346.9	928.5	0	0	0
10	Isaacs ,T (Tyrique)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Isaacs ,T (Tyrique)	1	1243.9	818.9	0	0	0	1	1266.8	818.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Oliver, Z (Zach)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms