Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, E (Estiaan)

Chess SA id

105008026

FIDE id

Date of birth

2005-07-20 (Adult)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-07-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	845.6	855.1	762.6	710.3
Raw rating	845.6	855.1	762.6	710.3
Weighted rating	845.6	855.1	762.6	710.3
Weighted performance	104.4	102	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	274.7	271	309.2	333.1
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2018-02-01	1200 2024-11-01
Highest raw rating	845.6 2024-02-01	855.1 2024-02-01	762.6 2024-02-01	738.6 2018-01-01
Highest weighted rating	845.6 2024-11-01	855.1 2024-11-01	762.6 2024-11-01	738.6 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2018-02-01	1200 2024-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	845.6	855.1	762.6	710.3
Analysis
Rating	845.6	855.1	762.6	710.3
Raw rating	845.6	855.1	762.6	710.3
Weighted rating	845.6	855.1	762.6
Weighted performance	104.4	102	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	274.7	271	309.2	333.1
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	845.6	855.1	762.6	710.3
New weighted rating	845.6	855.1	762.6	710.3
New weighted performance	103.5	101.1	0	0
Temp new rating	845.6	855.1	762.6	710.3
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	845.6	855.1	762.6	710.3
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	4	4	0	0
	0	0	0	0
History	193	172	15	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
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	54	20	37.04	-110.2	933.2	823
Standard	43	16	37.21	-108.7	949.7	840.9
Rapid	5	3	60	85	817	902
Blitz	6	1	16.67	-283.3	912	628.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	845.6	855.1	762.6	710.3
2025-09-01	845.6	855.1	762.6	710.3
2025-08-01	845.6	855.1	762.6	710.3
2025-07-01	845.6	855.1	762.6	710.3
2025-06-01	845.6	855.1	762.6	710.3
2025-05-01	845.6	855.1	762.6	710.3
2025-04-01	845.6	855.1	762.6	710.3
2025-03-01	845.6	855.1	762.6	710.3
2025-02-01	845.6	855.1	762.6	710.3
2025-01-01	845.6	855.1	762.6	710.3
2024-12-01	845.6	855.1	762.6	710.3
2024-11-01	845.6	855.1	762.6	710.3
2024-10-01	845.6	855.1	762.6	710.3
2024-09-01	845.6	855.1	762.6	710.3
2024-08-01	845.6	855.1	762.6	710.3
2024-07-01	845.6	855.1	762.6	710.3
2024-06-01	845.6	855.1	762.6	710.3
2024-08-01	845.6	855.1	762.6	710.3
2024-04-01	845.6	855.1	762.6	710.3
2024-03-01	845.6	855.1	762.6	710.3
2024-02-01	845.6	855.1	762.6	710.3
2024-01-01	845.6	855.1	762.6	710.3
2023-12-01	845.6	855.1	762.6	706.6
2023-11-01	845.6	855.1	762.6	706.6

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	Bojanala Chess Federation Clash of Schools 2022 (HS Juniors)	2022-07-23	2022-07-23	Standard	Bojanala Platina (NBR)	4	4	1	Yes	Analysis
2	South African Junior Team Championships 2018 (U14E)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
3	Lebone II Chess 2018 (U14)	2018-09-01	2018-09-01	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
4	Bojanala Regionals 2018 (U14)	2018-09-15	2018-09-15	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
5	Laerskool Brits Tournament 2018 (U14)	2018-08-04	2018-08-04	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
6	2018 Super 12 (Senior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
7	Laerskool Rustenburg 2018 (B)	2018-03-24	2018-03-24	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
8	Laerskool Vastrap 2018 (U14)	2018-02-03	2018-02-03	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
9	South African Junior Blitz 2017 Championships (B)	2018-01-07	2018-01-07	Blitz	4 Knights (4K)	7	6	1	Yes	Analysis
10	South African Junior Team Championships 2017 (U14E)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Laerskool Vastrap 2018				Tournament Laerskool Vastrap 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-03	rnd 5	type Standard	result 1
		Opponent Huma, K (Keaoboka)				Opponent Stoltz, R (Raymond)
2	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Matayo, L (Liyema)				Opponent Mokwena, K (Kole)
3	2	Tournament Lebone II Chess 2018				Tournament Lebone II Chess 2018
		date 2018-09-01	rnd 2	type Standard	result 1	date 2018-09-01	rnd 3	type Standard	result 1
		Opponent Masilo, K (Kamogelo)				Opponent Mhlongo, V (Vida)

#	Games	Start				End
1	3	Tournament Laerskool Vastrap 2018				Tournament Laerskool Vastrap 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-03	rnd 5	type Standard	result 1
		Opponent Huma, K (Keaoboka)				Opponent Stoltz, R (Raymond)
2	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Matayo, L (Liyema)				Opponent Mokwena, K (Kole)
3	2	Tournament Lebone II Chess 2018				Tournament Lebone II Chess 2018
		date 2018-09-01	rnd 2	type Standard	result 1	date 2018-09-01	rnd 3	type Standard	result 1
		Opponent Masilo, K (Kamogelo)				Opponent Mhlongo, V (Vida)

#	Games	Start				End
1	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 5	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Snyman, DP (Dominic)				Opponent Snyman, DP (Dominic)
2	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 3	type Rapid	result 1	date 2018-05-05	rnd 3	type Rapid	result 1
		Opponent Curlewis, R (Ruart)				Opponent Curlewis, R (Ruart)
3	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 1	type Rapid	result 1
		Opponent Nel, J (Johan)				Opponent Nel, J (Johan)

#	Games	Start				End
1	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 5	type Blitz	result 1	date 2018-01-07	rnd 5	type Blitz	result 1
		Opponent Mohamed, D (Dawood)				Opponent Mohamed, D (Dawood)

#	Games	Start				End
1	3	Tournament Laerskool Vastrap 2018				Tournament Laerskool Vastrap 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-03	rnd 5	type Standard	result 1
		Opponent Huma, K (Keaoboka)				Opponent Stoltz, R (Raymond)
2	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Matayo, L (Liyema)				Opponent Mokwena, K (Kole)
3	2	Tournament Lebone II Chess 2018				Tournament Lebone II Chess 2018
		date 2018-09-01	rnd 2	type Standard	result 1	date 2018-09-01	rnd 3	type Standard	result 1
		Opponent Masilo, K (Kamogelo)				Opponent Mhlongo, V (Vida)

#	Games	Start				End
1	3	Tournament Laerskool Vastrap 2018				Tournament Laerskool Vastrap 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-03	rnd 5	type Standard	result 1
		Opponent Huma, K (Keaoboka)				Opponent Stoltz, R (Raymond)
2	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Matayo, L (Liyema)				Opponent Mokwena, K (Kole)
3	2	Tournament Lebone II Chess 2018				Tournament Lebone II Chess 2018
		date 2018-09-01	rnd 2	type Standard	result 1	date 2018-09-01	rnd 3	type Standard	result 1
		Opponent Masilo, K (Kamogelo)				Opponent Mhlongo, V (Vida)

#	Games	Start				End
1	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 5	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Snyman, DP (Dominic)				Opponent Snyman, DP (Dominic)
2	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 3	type Rapid	result 1	date 2018-05-05	rnd 3	type Rapid	result 1
		Opponent Curlewis, R (Ruart)				Opponent Curlewis, R (Ruart)
3	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 1	type Rapid	result 1
		Opponent Nel, J (Johan)				Opponent Nel, J (Johan)

#	Games	Start				End
1	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 5	type Blitz	result 1	date 2018-01-07	rnd 5	type Blitz	result 1
		Opponent Mohamed, D (Dawood)				Opponent Mohamed, D (Dawood)

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	Tsitsi ,LB (Lesedi Bakang)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Tsitsi ,LB (Lesedi Bakang)	2	954.4	529.4	2	956.4	529.4	0	0	0	0	0	0
2	Stoltz ,R (Raymond)	2	2	425	2	2	425	0	0	0	0	0	0
2	Stoltz ,R (Raymond)	2	661.3	1086.3	2	632	1086.3	0	0	0	0	0	0
3	Letupu ,M (Omolemo)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Letupu ,M (Omolemo)	2	996	571	2	994.6	571	0	0	0	0	0	0
4	Mhlongo ,V (Vida)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mhlongo ,V (Vida)	1	899.6	1324.6	1	893.4	1324.6	0	0	0	0	0	0
5	Segatle ,T (Temo)	1	1	425	1	1	425	0	0	0	0	0	0
5	Segatle ,T (Temo)	1	1046.6	1471.6	1	1046.6	1471.6	0	0	0	0	0	0
6	Ras ,ME (Marise)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ras ,ME (Marise)	1	869.1	444.1	1	862.2	444.1	0	0	0	0	0	0
7	Sebybo ,C (Chanwille)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Sebybo ,C (Chanwille)	1	820	395	1	820	395	0	0	0	0	0	0
8	Mokwena ,K (Kole)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mokwena ,K (Kole)	1	938	1363	1	958	1363	0	0	0	0	0	0
9	Ntshabele ,TP (Tokologo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ntshabele ,TP (Tokologo)	1	986.8	561.8	1	982.2	561.8	0	0	0	0	0	0
10	Molotsi ,O (Oabile)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Molotsi ,O (Oabile)	1	992.1	567.1	1	990.7	567.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Du Preez, E (Estiaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms