Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Jager, P (Pieter)

Chess SA id

107055197

FIDE id

Date of birth

2007-04-20 (U20)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	956.8	950.8	584.8	506
Raw rating	956.8	950.8	584.8	506
Weighted rating	956.8	950.8	584.8	506
Weighted performance	261.4	258.9	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	234.5	236.5	398.4	445.7
Highest rating	1200 2024-11-01	1200 2024-11-01	1627.2 2018-05-01	1200 2024-02-01
Highest raw rating	956.8 2024-02-01	950.8 2024-02-01	584.8 2024-02-01	506 2024-02-01
Highest weighted rating	956.8 2024-11-01	950.8 2024-11-01	584.8 2024-11-01	506 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1627.2 2018-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	956.8	950.8	584.8	506
Analysis
Rating	956.8	950.8	584.8	506
Raw rating	956.8	950.8	584.8	506
Weighted rating	956.8	950.8	584.8
Weighted performance	261.4	258.9	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	234.5	236.5	398.4	445.7
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	956.8	950.8	584.8	506
New weighted rating	956.8	950.8	584.8	506
New weighted performance	255.6	253.1	0	0
Temp new rating	956.8	950.8	584.8	506
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	956.8	950.8	584.8	506
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	104	93	11

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	53	12.5	23.58	-224.5	1001.5	777
Standard	47	10.5	22.34	-235.1	975.9	740.8
Rapid	6	2	33.33	-141.7	1202.2	1060.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	956.8	950.8	584.8	506
2025-09-30	956.8	950.8	584.8	506
2025-09-01	956.8	950.8	584.8	506
2025-08-01	956.8	950.8	584.8	506
2025-07-01	956.8	950.8	584.8	506
2025-06-01	956.8	950.8	584.8	506
2025-05-01	956.8	950.8	584.8	506
2025-04-01	956.8	950.8	584.8	506
2025-03-01	956.8	950.8	584.8	506
2025-02-01	956.8	950.8	584.8	506
2025-01-01	956.8	950.8	584.8	506
2024-12-01	956.8	950.8	584.8	506
2024-11-01	956.8	950.8	584.8	506
2024-10-01	956.8	950.8	584.8	506
2024-09-01	956.8	950.8	584.8	506
2024-08-01	956.8	950.8	584.8	506
2024-07-01	956.8	950.8	584.8	506
2024-09-01	956.8	950.8	584.8	506
2024-05-01	956.8	950.8	584.8	506
2024-04-01	956.8	950.8	584.8	506
2024-03-01	956.8	950.8	584.8	506
2024-02-01	956.8	950.8	584.8	506
2024-01-01	956.8	950.8	584.8	506
2023-12-01	956.8	950.8	584.8	506

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	Hoerskool Brits Toernooi 2020 (U14)	2020-03-14	2020-03-14	Standard	Bojanala Platina (NBR)	5	5	1.5	Yes	Analysis
2	Laerskool Proteapark 2020 (E)	2020-02-29	2020-02-29	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
3	Grenville 2019 (U14)	2019-06-08	2019-06-08	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
4	2019 Super 12 Laerskole (Seniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	1	Yes	Analysis
5	Inter Regional Chess Championship 2019 (U14)	2019-05-10	2019-05-11	Standard	Mangaung (FMB)	5	4	0	Yes	Analysis
6	Hoerskool Rustenburg Skaak 2019 (U14)	2019-04-13	2019-04-13	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
7	Fields College Open 2019 (U14)	2019-02-02	2019-02-02	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
8	Hoerskool Brits Tournament 2019 (U14)	2019-02-09	2019-02-09	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
9	2018 Super 12 (Senior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	1	1	Yes	Analysis
10	Laerskool Rustenburg 2018 (C)	2018-03-24	2018-03-24	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
11	Hoerskool Brits 2018 (U12)	2018-03-17	2018-03-17	Standard	Bojanala Platina (NBR)	5	5	0	Yes	Analysis
12	Laerskool Vastrap 2018 (U12)	2018-02-03	2018-02-03	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Hoerskool Brits Toernooi 2020				Tournament Hoerskool Brits Toernooi 2020
		date 2020-03-14	rnd 2	type Standard	result 0.5	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Van Wyk, N (Nicoleen)				Opponent Oosthuizen, T (Tiaan)
2	2	Tournament Grenville 2019				Tournament Laerskool Proteapark 2020
		date 2019-06-08	rnd 5	type Standard	result 1	date 2020-02-29	rnd 1	type Standard	result 1
		Opponent Haasbroek, X (Xander)				Opponent Mabeleng, O (Orefile)
3	1	Tournament Laerskool Proteapark 2020				Tournament Laerskool Proteapark 2020
		date 2020-02-29	rnd 5	type Standard	result 1	date 2020-02-29	rnd 5	type Standard	result 1
		Opponent Ramonyathi, T (Thabiso)				Opponent Ramonyathi, T (Thabiso)

#	Games	Start				End
1	2	Tournament Hoerskool Brits Toernooi 2020				Tournament Hoerskool Brits Toernooi 2020
		date 2020-03-14	rnd 2	type Standard	result 0.5	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Van Wyk, N (Nicoleen)				Opponent Oosthuizen, T (Tiaan)
2	2	Tournament Grenville 2019				Tournament Laerskool Proteapark 2020
		date 2019-06-08	rnd 5	type Standard	result 1	date 2020-02-29	rnd 1	type Standard	result 1
		Opponent Haasbroek, X (Xander)				Opponent Mabeleng, O (Orefile)
3	1	Tournament Laerskool Proteapark 2020				Tournament Laerskool Proteapark 2020
		date 2020-02-29	rnd 5	type Standard	result 1	date 2020-02-29	rnd 5	type Standard	result 1
		Opponent Ramonyathi, T (Thabiso)				Opponent Ramonyathi, T (Thabiso)

#	Games	Start				End
1	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2019-05-04	rnd 4	type Rapid	result 1
		Opponent Theron, L (Louis)				Opponent Theron, L (Louis)
2	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 Du Toit, J (Jochanan)				Opponent Du Toit, J (Jochanan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Grenville 2019				Tournament Laerskool Proteapark 2020
		date 2019-06-08	rnd 5	type Standard	result 1	date 2020-02-29	rnd 1	type Standard	result 1
		Opponent Haasbroek, X (Xander)				Opponent Mabeleng, O (Orefile)
2	1	Tournament Hoerskool Brits Toernooi 2020				Tournament Hoerskool Brits Toernooi 2020
		date 2020-03-14	rnd 3	type Standard	result 1	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Oosthuizen, T (Tiaan)				Opponent Oosthuizen, T (Tiaan)
3	1	Tournament Laerskool Proteapark 2020				Tournament Laerskool Proteapark 2020
		date 2020-02-29	rnd 5	type Standard	result 1	date 2020-02-29	rnd 5	type Standard	result 1
		Opponent Ramonyathi, T (Thabiso)				Opponent Ramonyathi, T (Thabiso)

#	Games	Start				End
1	2	Tournament Grenville 2019				Tournament Laerskool Proteapark 2020
		date 2019-06-08	rnd 5	type Standard	result 1	date 2020-02-29	rnd 1	type Standard	result 1
		Opponent Haasbroek, X (Xander)				Opponent Mabeleng, O (Orefile)
2	1	Tournament Hoerskool Brits Toernooi 2020				Tournament Hoerskool Brits Toernooi 2020
		date 2020-03-14	rnd 3	type Standard	result 1	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Oosthuizen, T (Tiaan)				Opponent Oosthuizen, T (Tiaan)
3	1	Tournament Laerskool Proteapark 2020				Tournament Laerskool Proteapark 2020
		date 2020-02-29	rnd 5	type Standard	result 1	date 2020-02-29	rnd 5	type Standard	result 1
		Opponent Ramonyathi, T (Thabiso)				Opponent Ramonyathi, T (Thabiso)

#	Games	Start				End
1	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2019-05-04	rnd 4	type Rapid	result 1
		Opponent Theron, L (Louis)				Opponent Theron, L (Louis)
2	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 Du Toit, J (Jochanan)				Opponent Du Toit, J (Jochanan)

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	September ,M (Mckenzie)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	September ,M (Mckenzie)	2	1019	594	2	994.6	594	0	0	0	0	0	0
2	Haasbroek ,X (Xander)	2	2	425	2	2	425	0	0	0	0	0	0
2	Haasbroek ,X (Xander)	2	1076.9	1501.9	2	1060.5	1501.9	0	0	0	0	0	0
3	Molete ,K (Kutlwano)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Molete ,K (Kutlwano)	2	1153.4	728.4	2	1144.5	728.4	0	0	0	0	0	0
4	Dire ,O (Otlotleng)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Dire ,O (Otlotleng)	2	767.8	342.8	2	769.7	342.8	0	0	0	0	0	0
5	Tlhage ,O (Oratile)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Tlhage ,O (Oratile)	2	884.1	459.1	2	870.9	459.1	0	0	0	0	0	0
6	De Klerk ,AJ (Abraham Jacobus)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	De Klerk ,AJ (Abraham Jacobus)	2	896	471	2	888	471	0	0	0	0	0	0
7	Babusi ,B (Rebaone)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Babusi ,B (Rebaone)	2	946.2	521.2	2	914.4	521.2	0	0	0	0	0	0
8	Mabeleng ,O (Orefile)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mabeleng ,O (Orefile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Wolmarans ,T (Tatum)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Wolmarans ,T (Tatum)	1	1204.9	779.9	1	1184.6	779.9	0	0	0	0	0	0
10	Breedt ,O (Owen)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Breedt ,O (Owen)	1	680.9	255.9	1	693.4	255.9	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

De Jager, P (Pieter)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms