Chess South Africa Ratings Database

PLAYER PAGE

Personal

Norris, Z (Zacharias)

Chess SA id

1130162281

FIDE id

Date of birth

2013-08-04 (U14)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1130.7

Item	Main	Standard	Rapid	Blitz
Rating	1157.4	1148.1	1200	1200
Raw rating	1129.7	1113.2	1200	1200
Weighted rating	1157.4	1148.1	1200	1200
Weighted performance	1086.6	1072.8	0	0
Floor	713.7	716.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	183.3	187.7	165.8	165.8
Highest rating	1291.6 2023-09-01	1291.6 2023-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1213.7 2023-10-01	1216.6 2023-10-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1213.7 2023-12-01	1216.6 2023-12-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1291.6 2023-09-01	1291.6 2023-09-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.2	-2.8	0	0
New rating	1155.2	1145.3	1200	1200
Analysis
Rating	1157.4	1148.1	1200	1200
Raw rating	1129.7	1113.2	1200	1200
Weighted rating	1157.4	1148.1	1200
Weighted performance	1086.6	1072.8	0
K-factor	36	36	36	36
Floor	713.7	716.6	700	700
Max/Min rating change allowed	183.3	187.7	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	1129.7	1113.2	1200	1200
New weighted rating	1155.2	1145.3	1200	1200
New weighted performance	1080.1	1066.3	0	0
Temp new rating	1155.2	1145.3	1200	1200
Temp new rating +/-	-2.2	-2.8	0	0
Final new rating +/-	-2.2	-2.8	0	0
New rating	1155.2	1145.3	1200	1200
New K-factor	36	36	36	36
New floor	713.7	716.6	700	700

Item	Main	Standard
	0	0
	40	40
	0	0
	9	9
	0	0
	0	0
History	49	49

Games since
	Main 44	Standard 44		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	4349		257		199
Male	3208		203		154
U14	872		47		34
U14 Male	599		40		29
Standard
	RSA		Province		Region
Overall	4342		309		210
Male	3200		241		164
U14	869		56		35
U14 Male	593		47		31
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	40	11.5	28.75	-180.6	1303	1122.3
Standard	40	11.5	28.75	-180.6	1303	1122.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	49	14.5	29.59	-173.5	1286.3	1112.8
Standard	49	14.5	29.59	-173.5	1286.3	1112.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1129.7	1113.2	1200	1200
2025-09-30	1162.5	1154.9	1200	1200
2025-09-01	1162.5	1154.9	1200	1200
2025-08-01	1162.5	1154.9	1200	1200
2025-07-01	1162.5	1154.9	1200	1200
2025-06-01	1160.5	1151.7	1200	1200
2025-05-01	1161.6	1153	1200	1200
2025-04-01	1160.8	1152.2	1200	1200
2025-03-01	1162.7	1154.5	1200	1200
2025-02-01	1164.2	1156.8	1200	1200
2025-01-01	1156	1146	1200	1200
2024-12-01	1156	1146	1200	1200
2024-11-01	1156	1146	1200	1200
2024-10-01	1156	1146	1200	1200
2024-09-01	1156	1146	1200	1200
2024-08-01	1156	1146	1200	1200
2024-07-01	1156	1146	1200	1200
2024-09-01	1156	1146	1200	1200
2024-05-01	1156	1146	1200	1200
2024-04-01	1156	1146	1200	1200
2024-03-01	1156	1146	1200	1200
2024-02-01	1156	1146	1200	1200
2024-01-01	1156	1146	1200	1200
2023-12-01	1156	1146	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Battle Of Mount Cambridge 2025 (Knights)	2025-10-11	2025-10-11	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
2	Bojanala's FIDE On The Orion Express 2025 (Knights)	2025-10-04	2025-10-05	Standard	Bojanala Platina (NBR)	7	6	1	Yes	Analysis
3	Bojanala's Winter Warm Up 2025 (U14)	2025-06-28	2025-06-28	Standard	Bojanala Platina (NBR)	5	0	0	No	Analysis
4	Bojanala's Pre-Exam 2025 (Knights)	2025-05-31	2025-05-31	Standard	Bojanala Platina (NBR)	5	5	1.5	Yes	Analysis
5	Bojanala's Circuit Championships 2 of 4 2025 (U14)	2025-05-17	2025-05-17	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
6	Bojanala's Waterkloof - The Superior One 2025 (Knights)	2025-03-15	2025-03-15	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
7	Bojanala Circuit Championships 1 of 4 2025 (U14)	2025-03-01	2025-03-01	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
8	Bojanala's Battle In The Kloof 2025 (Knights)	2025-02-15	2025-02-15	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
9	Bojanala Wildcard 2025 (Knights)	2025-01-25	2025-01-25	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Battle Of Mount Cambridge 2025 (Knights)	2025-10-11	2025-10-11	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
2	Bojanala's FIDE On The Orion Express 2025 (Knights)	2025-10-04	2025-10-05	Standard	Bojanala Platina (NBR)	7	6	1	Yes	Analysis
3	Bojanala's Winter Warm Up 2025 (U14)	2025-06-28	2025-06-28	Standard	Bojanala Platina (NBR)	5	0	0	No	Analysis
4	Bojanala's Pre-Exam 2025 (Knights)	2025-05-31	2025-05-31	Standard	Bojanala Platina (NBR)	5	5	1.5	Yes	Analysis
5	Bojanala's Circuit Championships 2 of 4 2025 (U14)	2025-05-17	2025-05-17	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
6	Bojanala's Waterkloof - The Superior One 2025 (Knights)	2025-03-15	2025-03-15	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
7	Bojanala Circuit Championships 1 of 4 2025 (U14)	2025-03-01	2025-03-01	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
8	Bojanala's Battle In The Kloof 2025 (Knights)	2025-02-15	2025-02-15	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
9	Bojanala Wildcard 2025 (Knights)	2025-01-25	2025-01-25	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
10	Bojanala's Battle of Mount Cambridge 2024 (Bishops)	2024-10-05	2024-10-05	Standard	Bojanala Platina (NBR)	5	0	0	No	Analysis
11	Bojanala's Merry ChessMas 2023 (Knights)	2023-12-09	2023-12-09	Standard	Bojanala Platina (NBR)	5	4	0	Yes	Analysis
12	Bojanala's Battle Of Mount Cambridge 2023 (Development)	2023-09-16	2023-09-16	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Bojanala's Pre-Exam 2025				Tournament Bojanala's Pre-Exam 2025
		date 2025-05-31	rnd 1	type Standard	result 0.5	date 2025-05-31	rnd 2	type Standard	result 1
		Opponent Nameng, T (Thatano)				Opponent Bogatsu, T (Tiisetso)
2	2	Tournament Bojanala Wildcard 2025				Tournament Bojanala Wildcard 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Heymans, P (Petrus)				Opponent Matlala, L (Leano)
3	2	Tournament Bojanala's Battle Of Mount Cambridge 2023				Tournament Bojanala's Battle Of Mount Cambridge 2023
		date 2023-09-16	rnd 1	type Standard	result 1	date 2023-09-16	rnd 2	type Standard	result 1
		Opponent Ditshego, N (Ntheki)				Opponent Munyanyiwa, R (Rutendo)

#	Games	Start				End
1	2	Tournament Bojanala's Pre-Exam 2025				Tournament Bojanala's Pre-Exam 2025
		date 2025-05-31	rnd 1	type Standard	result 0.5	date 2025-05-31	rnd 2	type Standard	result 1
		Opponent Nameng, T (Thatano)				Opponent Bogatsu, T (Tiisetso)
2	2	Tournament Bojanala Wildcard 2025				Tournament Bojanala Wildcard 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Heymans, P (Petrus)				Opponent Matlala, L (Leano)
3	2	Tournament Bojanala's Battle Of Mount Cambridge 2023				Tournament Bojanala's Battle Of Mount Cambridge 2023
		date 2023-09-16	rnd 1	type Standard	result 1	date 2023-09-16	rnd 2	type Standard	result 1
		Opponent Ditshego, N (Ntheki)				Opponent Munyanyiwa, R (Rutendo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Bojanala Wildcard 2025				Tournament Bojanala Wildcard 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Heymans, P (Petrus)				Opponent Matlala, L (Leano)
2	2	Tournament Bojanala's Battle Of Mount Cambridge 2023				Tournament Bojanala's Battle Of Mount Cambridge 2023
		date 2023-09-16	rnd 1	type Standard	result 1	date 2023-09-16	rnd 2	type Standard	result 1
		Opponent Ditshego, N (Ntheki)				Opponent Munyanyiwa, R (Rutendo)
3	1	Tournament Bojanala's Pre-Exam 2025				Tournament Bojanala's Pre-Exam 2025
		date 2025-05-31	rnd 2	type Standard	result 1	date 2025-05-31	rnd 2	type Standard	result 1
		Opponent Bogatsu, T (Tiisetso)				Opponent Bogatsu, T (Tiisetso)

#	Games	Start				End
1	2	Tournament Bojanala Wildcard 2025				Tournament Bojanala Wildcard 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Heymans, P (Petrus)				Opponent Matlala, L (Leano)
2	2	Tournament Bojanala's Battle Of Mount Cambridge 2023				Tournament Bojanala's Battle Of Mount Cambridge 2023
		date 2023-09-16	rnd 1	type Standard	result 1	date 2023-09-16	rnd 2	type Standard	result 1
		Opponent Ditshego, N (Ntheki)				Opponent Munyanyiwa, R (Rutendo)
3	1	Tournament Bojanala's Pre-Exam 2025				Tournament Bojanala's Pre-Exam 2025
		date 2025-05-31	rnd 2	type Standard	result 1	date 2025-05-31	rnd 2	type Standard	result 1
		Opponent Bogatsu, T (Tiisetso)				Opponent Bogatsu, T (Tiisetso)

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	Venter ,T (Trenton)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Venter ,T (Trenton)	3	1228	1086.3	3	1208.3	1086.3	0	0	0	0	0	0
2	Myburgh ,B (Braydan)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Myburgh ,B (Braydan)	2	1297.9	872.9	2	1292.5	872.9	0	0	0	0	0	0
3	Botha ,W (Wian)	2	1	0	2	1	0	0	0	0	0	0	0
3	Botha ,W (Wian)	2	1378.6	1378.6	2	1377.2	1378.6	0	0	0	0	0	0
4	Vercuiel ,E (Estienne)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Vercuiel ,E (Estienne)	2	1291.4	866.4	2	1318.8	866.4	0	0	0	0	0	0
5	Timbe ,J (Junior)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Timbe ,J (Junior)	2	1422.3	997.3	2	1414.8	997.3	0	0	0	0	0	0
6	Changara ,A (Alvern Takura)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Changara ,A (Alvern Takura)	1	1518	1093	1	1504.8	1093	0	0	0	0	0	0
7	Sefara ,T (Tarcicia)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Sefara ,T (Tarcicia)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Jogi ,A (Arjun-Krishna)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Jogi ,A (Arjun-Krishna)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Mokone ,R (Remoabetswe Kgotla)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mokone ,R (Remoabetswe Kgotla)	1	1523.7	1098.7	1	1514.9	1098.7	0	0	0	0	0	0
10	Terblanche ,B (Bernard)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Terblanche ,B (Bernard)	1	1252.8	827.8	1	1250.4	827.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Norris, Z (Zacharias)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms