Chess South Africa Ratings Database

PLAYER PAGE

Personal

Dietrich, Z (Zac)

Chess SA id

1100108725

FIDE id

Date of birth

2010-01-27 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1260.7	1178	1285	1200
Raw rating	1260.7	1178	1285	1200
Weighted rating	1260.7	1178	1285	1200
Weighted performance	276.7	0	0	0
Floor	764.6	700	799.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.1	171.1	146.9	165.8
Highest rating	1322.4 2019-07-01	1200 2018-10-01	1449.4 2019-07-01	1200 2018-10-01
Highest raw rating	1264.6 2020-01-01	1200 2018-02-01	1299.8 2020-01-01	1200 2024-02-01
Highest weighted rating	1264.6 2021-06-01	1200 2018-10-01	1299.8 2021-05-01	1200 2018-10-01
Highest weighted performance	1322.4 2019-07-01	1200 2018-02-01	1449.4 2019-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1260.7	1178	1285	1200
Analysis
Rating	1260.7	1178	1285	1200
Raw rating	1260.7	1178	1285	1200
Weighted rating	1260.7	1178	1285
Weighted performance	276.7	0	0
K-factor	36	36	36	36
Floor	764.6	700	799.8	700
Max/Min rating change allowed	152.1	171.1	146.9	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	1260.7	1178	1285	1200
New weighted rating	1260.7	1178	1285	1200
New weighted performance	276.3	0	0	0
Temp new rating	1260.7	1178	1285	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1260.7	1178	1285	1200
New K-factor	36	36	36	36
New floor	764.6	700	799.8	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	35	13	22

Games since
	Main 0	Standard 0		Rapid 0		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	35	21.5	61.43	97.1	1187.2	1284.3
Standard	13	6.5	50	0	1202.8	1202.8
Rapid	22	15	68.18	154.5	1177.9	1332.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1260.7	1178	1285	1200
2025-09-01	1260.7	1178	1285	1200
2025-08-01	1260.7	1178	1285	1200
2025-07-01	1260.7	1178	1285	1200
2025-06-01	1260.7	1178	1285	1200
2025-05-01	1260.7	1178	1285	1200
2025-04-01	1260.7	1178	1285	1200
2025-03-01	1260.7	1178	1285	1200
2025-02-01	1260.7	1178	1285	1200
2025-01-01	1260.7	1178	1285	1200
2024-12-01	1260.7	1178	1285	1200
2024-11-01	1260.7	1178	1285	1200
2024-10-01	1260.7	1178	1285	1200
2024-09-01	1260.7	1178	1285	1200
2024-08-01	1260.7	1178	1285	1200
2024-07-01	1260.7	1178	1285	1200
2024-06-01	1260.7	1178	1285	1200
2024-08-01	1260.7	1178	1285	1200
2024-04-01	1260.7	1178	1285	1200
2024-03-01	1260.7	1178	1285	1200
2024-02-01	1260.7	1178	1285	1200
2024-01-01	1260.7	1178	1285	1200
2023-12-01	1260.7	1178	1285	1200
2023-11-01	1260.7	1178	1285	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	Central Winelands Schools Individual Trials 2022 (U13 Boys)	2022-02-19	2022-02-19	Rapid	Cape Winelands (WCW)	5	0	0	No	Analysis
2	Cape Winelands Schools Trials 1 2020 (U11 Boys)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
3	Cape Winelands Schools - Top Schools 2019 (U9 Mix)	2019-07-27	2019-07-27	Rapid	Cape Winelands (WCW)	3	3	3	Yes	Analysis
4	Western Cape Schools Individuals 2019 (U9 Boys)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	3.5	Yes	Analysis
5	Rhenish Primary Chess Tournament 2019 (U10)	2019-05-11	2019-05-11	Rapid	Cape Winelands (WCW)	7	7	4.5	Yes	Analysis
6	Cape Winelands Schools Closed 2019 (U9 Boys)	2019-03-16	2019-03-17	Standard	Cape Winelands (WCW)	7	7	3	Yes	Analysis
7	CW Schools Open 2019 (U7+U9 Boys)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament Western Cape Schools Individuals 2019				Tournament Cape Winelands Schools - Top Schools 2019
		date 2019-05-19	rnd 5	type Standard	result 1	date 2019-07-27	rnd 3	type Rapid	result 1
		Opponent Niemand, J (Jansu)				Opponent Williams, F (Forest)
2	3	Tournament Rhenish Primary Chess Tournament 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-05-11	rnd 1	type Rapid	result 0.5	date 2019-05-11	rnd 3	type Rapid	result 1
		Opponent Mahlikihla, U (Ukho)				Opponent Goosen, J (Jeandre)
3	3	Tournament CW Schools Open 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-02-02	rnd 5	type Rapid	result 1	date 2019-03-16	rnd 1	type Standard	result 1
		Opponent Lielieveld, J (Jadrian)				Opponent Mapingana, A (Alakhe)

#	Games	Start				End
1	2	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-19	rnd 5	type Standard	result 1	date 2019-05-19	rnd 6	type Standard	result 1
		Opponent Niemand, J (Jansu)				Opponent Botha, A (Anthonie)
2	2	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-16	rnd 3	type Standard	result 1	date 2019-03-16	rnd 4	type Standard	result 1
		Opponent Harris, T (Tyler)				Opponent Kriel, EM (Eduard Mccarthy)
3	1	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-18	rnd 3	type Standard	result 1	date 2019-05-18	rnd 3	type Standard	result 1
		Opponent Lubbe, C (Christiaan)				Opponent Lubbe, C (Christiaan)

#	Games	Start				End
1	5	Tournament CW Schools Open 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-02-02	rnd 5	type Rapid	result 1	date 2019-05-11	rnd 3	type Rapid	result 1
		Opponent Lielieveld, J (Jadrian)				Opponent Goosen, J (Jeandre)
2	3	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Cape Winelands Schools - Top Schools 2019
		date 2019-07-27	rnd 1	type Rapid	result 1	date 2019-07-27	rnd 3	type Rapid	result 1
		Opponent Viljoen, L (Lienka)				Opponent Williams, F (Forest)
3	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 5	type Rapid	result 1	date 2020-02-08	rnd 6	type Rapid	result 0.5
		Opponent De Vlam, J (Jemeal)				Opponent October, K (Kaid)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Western Cape Schools Individuals 2019				Tournament Cape Winelands Schools - Top Schools 2019
		date 2019-05-19	rnd 5	type Standard	result 1	date 2019-07-27	rnd 3	type Rapid	result 1
		Opponent Niemand, J (Jansu)				Opponent Williams, F (Forest)
2	3	Tournament CW Schools Open 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-02-02	rnd 5	type Rapid	result 1	date 2019-03-16	rnd 1	type Standard	result 1
		Opponent Lielieveld, J (Jadrian)				Opponent Mapingana, A (Alakhe)
3	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 2	type Rapid	result 1	date 2020-02-08	rnd 3	type Rapid	result 1
		Opponent Badri, A (Armaan)				Opponent Harris, T (Tyler)

#	Games	Start				End
1	2	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-19	rnd 5	type Standard	result 1	date 2019-05-19	rnd 6	type Standard	result 1
		Opponent Niemand, J (Jansu)				Opponent Botha, A (Anthonie)
2	2	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-16	rnd 3	type Standard	result 1	date 2019-03-16	rnd 4	type Standard	result 1
		Opponent Harris, T (Tyler)				Opponent Kriel, EM (Eduard Mccarthy)
3	1	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-18	rnd 3	type Standard	result 1	date 2019-05-18	rnd 3	type Standard	result 1
		Opponent Lubbe, C (Christiaan)				Opponent Lubbe, C (Christiaan)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Cape Winelands Schools - Top Schools 2019
		date 2019-07-27	rnd 1	type Rapid	result 1	date 2019-07-27	rnd 3	type Rapid	result 1
		Opponent Viljoen, L (Lienka)				Opponent Williams, F (Forest)
2	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 2	type Rapid	result 1	date 2020-02-08	rnd 3	type Rapid	result 1
		Opponent Badri, A (Armaan)				Opponent Harris, T (Tyler)
3	2	Tournament Rhenish Primary Chess Tournament 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-05-11	rnd 5	type Rapid	result 1	date 2019-05-11	rnd 6	type Rapid	result 1
		Opponent Boshoff, L (Lukas)				Opponent Clark, B (Brendan)

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	Harris ,T (Tyler)	2	2	425	1	1	425	1	1	425	0	0	0
1	Harris ,T (Tyler)	2	1115.8	1540.8	1	1118.8	1540.8	1	1215.2	1540.8	0	0	0
2	Kriel ,EM (Eduard Mccarthy)	2	1	0	1	1	425	1	0	-425	0	0	0
2	Kriel ,EM (Eduard Mccarthy)	2	1291.2	1291.2	1	867.2	1716.2	1	1038.8	866.2	0	0	0
3	Neethling ,S (Sean)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Neethling ,S (Sean)	2	1043.2	618.2	1	800.7	618.2	1	1356	618.2	0	0	0
4	Botha ,A (Anthonie)	1	1	425	1	1	425	0	0	0	0	0	0
4	Botha ,A (Anthonie)	1	1187.9	1612.9	1	1185.2	1612.9	0	0	0	0	0	0
5	Meyer ,M (Matthew)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Meyer ,M (Matthew)	1	1181.7	756.7	1	1172.8	756.7	0	0	0	0	0	0
6	Arpin ,L (Lukas)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Arpin ,L (Lukas)	1	1336.9	911.9	1	1342	911.9	0	0	0	0	0	0
7	Mapingana ,A (Alakhe)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mapingana ,A (Alakhe)	1	1174.4	1599.4	1	1064.8	1599.4	0	0	0	0	0	0
8	Fourie ,O (Ockert)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Fourie ,O (Ockert)	1	1143.1	718.1	1	1195.2	718.1	0	0	0	0	0	0
9	Kritzinger ,AD (Andre Daniel)	1	1	425	0	0	0	1	1	425	0	0	0
9	Kritzinger ,AD (Andre Daniel)	1	1143.8	1568.8	0	0	0	1	1096.4	1568.8	0	0	0
10	Viljoen ,L (Lienka)	1	1	425	0	0	0	1	1	425	0	0	0
10	Viljoen ,L (Lienka)	1	1147	1572	0	0	0	1	1122	1572	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Dietrich, Z (Zac)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms