Chess South Africa Ratings Database

PLAYER PAGE

Personal

Plaatjies, B (Bjorn)

Chess SA id

107057154

FIDE id

Date of birth

2007-09-18 (U20)

Gender

Male

Region

Pixley-ka-Seme (NCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-03-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1213.4	1074.8	964	678
Raw rating	1213.4	1074.8	964	678
Weighted rating	1213.4	1074.8	964	678
Weighted performance	166.8	0	0	0
Floor	713.4	574.8	500	500
K-factor	36	40	40	40
Min/Max rating change allowed	162.7	198.2	232.1	348.8
Highest rating	1241.8 2019-03-01	1255 2019-03-01	1200 2024-11-01	1200 2024-02-01
Highest raw rating	1213.4 2024-02-01	1074.8 2024-02-01	964 2024-02-01	678 2024-02-01
Highest weighted rating	1213.4 2024-02-01	1074.8 2024-11-01	964 2024-11-01	678 2024-11-01
Highest weighted performance	1241.8 2019-03-01	1255 2019-03-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1213.4	1074.8	964	678
Analysis
Rating	1213.4	1074.8	964	678
Raw rating	1213.4	1074.8	964	678
Weighted rating	1213.4	1074.8	964
Weighted performance	166.8	0	0
K-factor	36	40	40	40
Floor	713.4	574.8	500	500
Max/Min rating change allowed	162.7	198.2	232.1	348.8
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	1213.4	1074.8	964	678
New weighted rating	1213.4	1074.8	964	678
New weighted performance	166.3	0	0	0
Temp new rating	1213.4	1074.8	964	678
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1213.4	1074.8	964	678
New K-factor	36	40	40	40
New floor	713.4	574.8	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	87	60	27

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Pixley-ka-Seme (NCP)
Province	Northern Cape (NC)
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	43	26.5	61.63	98.8	1045.5	1144.4
Standard	22	14	63.64	115.9	1099.4	1215.3
Rapid	21	12.5	59.52	81	989	1070
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1213.4	1074.8	964	678
2025-09-01	1213.4	1074.8	964	678
2025-08-01	1213.4	1074.8	964	678
2025-07-01	1213.4	1074.8	964	678
2025-06-01	1213.4	1074.8	964	678
2025-05-01	1213.4	1074.8	964	678
2025-04-01	1213.4	1074.8	964	678
2025-03-01	1213.4	1074.8	964	678
2025-02-01	1213.4	1074.8	964	678
2025-01-01	1213.4	1074.8	964	678
2024-12-01	1213.4	1074.8	964	678
2024-11-01	1213.4	1074.8	964	678
2024-10-01	1213.4	1074.8	964	678
2024-09-01	1213.4	1074.8	964	678
2024-08-01	1213.4	1074.8	964	678
2024-07-01	1213.4	1074.8	964	678
2024-06-01	1213.4	1074.8	964	678
2024-08-01	1213.4	1074.8	964	678
2024-04-01	1213.4	1074.8	964	678
2024-03-01	1213.4	1074.8	964	678
2024-02-01	1213.4	1074.8	964	678
2024-01-01	1213.4	1074.8	964	678
2023-12-01	1213.4	1074.8	964	678
2023-11-01	1213.4	1074.8	964	678

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	Pixley ka Seme Schools Trials 2019 (U13 Boys)	2019-03-09	2019-03-09	Standard	Pixley-ka-Seme (NCP)	5	5	5	Yes	Analysis
2	Caledon Casino Open 2018 (U12)	2018-08-04	2018-08-04	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
3	Cape Winelands Schools Chess - Top Schools 2018 (U13 Mix)	2018-07-28	2018-07-28	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
4	Strategema Club 2018 (U12)	2018-03-10	2018-03-10	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
5	Cape Winelands Schools Trials 1 2018 (U11 Boys)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis
6	Cape Winelands Schools Prestige 2018 (U11 Boys)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	7	4	Yes	Analysis
7	PHBS Rememberance Tournament 2018 (Youth)	2018-02-23	2018-02-24	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
8	North Boland Trials 2018 (U11 Boys)	2018-02-17	2018-02-17	Rapid	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Pixley ka Seme Schools Trials 2019				Tournament Pixley ka Seme Schools Trials 2019
		date 2019-03-09	rnd 1	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Klein, Q (Quinton)				Opponent Makaleni, B (Breyton)
2	4	Tournament Strategema Club 2018				Tournament Strategema Club 2018
		date 2018-03-10	rnd 1	type Rapid	result 1	date 2018-03-10	rnd 4	type Rapid	result 1
		Opponent De Villiers, M (Mikyle)				Opponent De Wet, M (Malcolm)
3	4	Tournament North Boland Trials 2018				Tournament North Boland Trials 2018
		date 2018-02-17	rnd 1	type Rapid	result 1	date 2018-02-17	rnd 4	type Rapid	result 0.5
		Opponent Van Der Merwe, J (Johan)				Opponent Davids, R (Rafael)

#	Games	Start				End
1	5	Tournament Pixley ka Seme Schools Trials 2019				Tournament Pixley ka Seme Schools Trials 2019
		date 2019-03-09	rnd 1	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Klein, Q (Quinton)				Opponent Makaleni, B (Breyton)
2	3	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 3	type Standard	result 1	date 2018-03-25	rnd 5	type Standard	result 1
		Opponent Jansen, C (Cheslin)				Opponent Anderson, N (Neo)
3	2	Tournament Caledon Casino Open 2018				Tournament Caledon Casino Open 2018
		date 2018-08-04	rnd 1	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Esterhuizen, H (Henco)				Opponent Gibson, H (Harrison)

#	Games	Start				End
1	4	Tournament Strategema Club 2018				Tournament Strategema Club 2018
		date 2018-03-10	rnd 1	type Rapid	result 1	date 2018-03-10	rnd 4	type Rapid	result 1
		Opponent De Villiers, M (Mikyle)				Opponent De Wet, M (Malcolm)
2	4	Tournament North Boland Trials 2018				Tournament North Boland Trials 2018
		date 2018-02-17	rnd 1	type Rapid	result 1	date 2018-02-17	rnd 4	type Rapid	result 0.5
		Opponent Van Der Merwe, J (Johan)				Opponent Davids, R (Rafael)
3	1	Tournament Cape Winelands Schools Chess - Top Schools 2018				Tournament Cape Winelands Schools Chess - Top Schools 2018
		date 2018-07-28	rnd 5	type Rapid	result 1	date 2018-07-28	rnd 5	type Rapid	result 1
		Opponent Pienaar, U (Urin)				Opponent Pienaar, U (Urin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Pixley ka Seme Schools Trials 2019				Tournament Pixley ka Seme Schools Trials 2019
		date 2019-03-09	rnd 1	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Klein, Q (Quinton)				Opponent Makaleni, B (Breyton)
2	4	Tournament Strategema Club 2018				Tournament Strategema Club 2018
		date 2018-03-10	rnd 1	type Rapid	result 1	date 2018-03-10	rnd 4	type Rapid	result 1
		Opponent De Villiers, M (Mikyle)				Opponent De Wet, M (Malcolm)
3	3	Tournament Cape Winelands Schools Chess - Top Schools 2018				Tournament Caledon Casino Open 2018
		date 2018-07-28	rnd 5	type Rapid	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Pienaar, U (Urin)				Opponent Gibson, H (Harrison)

#	Games	Start				End
1	5	Tournament Pixley ka Seme Schools Trials 2019				Tournament Pixley ka Seme Schools Trials 2019
		date 2019-03-09	rnd 1	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Klein, Q (Quinton)				Opponent Makaleni, B (Breyton)
2	3	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 3	type Standard	result 1	date 2018-03-25	rnd 5	type Standard	result 1
		Opponent Jansen, C (Cheslin)				Opponent Anderson, N (Neo)
3	2	Tournament Caledon Casino Open 2018				Tournament Caledon Casino Open 2018
		date 2018-08-04	rnd 1	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Esterhuizen, H (Henco)				Opponent Gibson, H (Harrison)

#	Games	Start				End
1	4	Tournament Strategema Club 2018				Tournament Strategema Club 2018
		date 2018-03-10	rnd 1	type Rapid	result 1	date 2018-03-10	rnd 4	type Rapid	result 1
		Opponent De Villiers, M (Mikyle)				Opponent De Wet, M (Malcolm)
2	3	Tournament North Boland Trials 2018				Tournament North Boland Trials 2018
		date 2018-02-17	rnd 1	type Rapid	result 1	date 2018-02-17	rnd 3	type Rapid	result 1
		Opponent Van Der Merwe, J (Johan)				Opponent Ismail, A (Amar)
3	1	Tournament Cape Winelands Schools Chess - Top Schools 2018				Tournament Cape Winelands Schools Chess - Top Schools 2018
		date 2018-07-28	rnd 5	type Rapid	result 1	date 2018-07-28	rnd 5	type Rapid	result 1
		Opponent Pienaar, U (Urin)				Opponent Pienaar, U (Urin)

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	Van Zyl ,R (Rigter)	3	0	-425	1	0	-425	2	0	-425	0	0	0
1	Van Zyl ,R (Rigter)	3	872.7	447.7	1	844.2	447.7	2	879.8	447.7	0	0	0
2	Rennie ,D (David)	2	1	0	1	1	425	1	0	-425	0	0	0
2	Rennie ,D (David)	2	500	500	1	500	925	1	500	75	0	0	0
3	Davids ,R (Rafael)	2	0.5	-212.5	1	0	-425	1	0.5	0	0	0	0
3	Davids ,R (Rafael)	2	969.5	757	1	929.8	544.5	1	759.4	969.5	0	0	0
4	Anderson ,N (Neo)	2	1	0	1	1	425	1	0	-425	0	0	0
4	Anderson ,N (Neo)	2	1200	1200	1	1200	1625	1	1200	775	0	0	0
5	Adams ,J (Juandre)	1	1	425	1	1	425	0	0	0	0	0	0
5	Adams ,J (Juandre)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Jones ,A (Annchen)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Jones ,A (Annchen)	1	1152.8	727.8	1	1123.5	727.8	0	0	0	0	0	0
7	Botha ,S (Samuel Steyn)	1	1	425	1	1	425	0	0	0	0	0	0
7	Botha ,S (Samuel Steyn)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Fortuin ,D (De Aundre)	1	1	425	1	1	425	0	0	0	0	0	0
8	Fortuin ,D (De Aundre)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Sadiq ,S (Salman)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Sadiq ,S (Salman)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Jansen ,C (Cheslin)	1	1	425	1	1	425	0	0	0	0	0	0
10	Jansen ,C (Cheslin)	1	1166.2	1591.2	1	1200	1591.2	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

Plaatjies, B (Bjorn)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms