Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bossert, WH (Werner)

Chess SA id

182002823

FIDE id

Date of birth

1982-06-11 (Adult)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-02-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1650.8	1650.4	1667	1667
Raw rating	1650.8	1650.4	1667	1667
Weighted rating	1650.8	1650.4	1667	1667
Weighted performance	567.8	567.7	0	0
Floor	1177.5	1179.6	1167	1167
K-factor	28	28	28	28
Min/Max rating change allowed	87.2	87.3	85.2	85.2
Highest rating	1677.5 2018-09-01	1679.6 2018-09-01	1667 2019-04-01	1667 2019-04-01
Highest raw rating	1677.5 2018-09-01	1679.6 2018-09-01	1667 2024-02-01	1667 2024-02-01
Highest weighted rating	1677.5 2018-09-01	1679.6 2018-09-01	1667 2019-04-01	1667 2019-04-01
Highest weighted performance	1638.2 2018-08-01	1639.4 2018-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1650.8	1650.4	1667	1667
Analysis
Rating	1650.8	1650.4	1667	1667
Raw rating	1650.8	1650.4	1667	1667
Weighted rating	1650.8	1650.4	1667
Weighted performance	567.8	567.7	0
K-factor	28	28	28	28
Floor	1177.5	1179.6	1167	1167
Max/Min rating change allowed	87.2	87.3	85.2	85.2
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	1650.8	1650.4	1667	1667
New weighted rating	1650.8	1650.4	1667	1667
New weighted performance	567.3	567.2	0	0
Temp new rating	1650.8	1650.4	1667	1667
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1650.8	1650.4	1667	1667
New K-factor	28	28	28	28
New floor	1177.5	1179.6	1167	1167

Item	Main	Standard
	0	0
	0	0
	0	0
	5	5
	0	0
	0	0
History	43	43

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Dr Kenneth Kaunda (NWP)
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	24	18.5	77.08	230.2	1362	1592.2
Standard	24	18.5	77.08	230.2	1362	1592.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1650.8	1650.4	1667	1667
2025-09-01	1650.8	1650.4	1667	1667
2025-08-01	1650.8	1650.4	1667	1667
2025-07-01	1650.8	1650.4	1667	1667
2025-06-01	1650.8	1650.4	1667	1667
2025-05-01	1650.8	1650.4	1667	1667
2025-04-01	1650.8	1650.4	1667	1667
2025-03-01	1650.8	1650.4	1667	1667
2025-02-01	1650.8	1650.4	1667	1667
2025-01-01	1650.8	1650.4	1667	1667
2024-12-01	1650.8	1650.4	1667	1667
2024-11-01	1650.8	1650.4	1667	1667
2024-10-01	1650.8	1650.4	1667	1667
2024-09-01	1650.8	1650.4	1667	1667
2024-08-01	1650.8	1650.4	1667	1667
2024-07-01	1650.8	1650.4	1667	1667
2024-06-01	1650.8	1650.4	1667	1667
2024-08-01	1650.8	1650.4	1667	1667
2024-04-01	1650.8	1650.4	1667	1667
2024-03-01	1650.8	1650.4	1667	1667
2024-02-01	1650.8	1650.4	1667	1667
2024-01-01	1650.8	1650.4	1667	1667
2023-12-01	1650.8	1650.4	1667	1667
2023-11-01	1650.8	1650.4	1667	1667

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	One For The Ages 2023 (Open)	2023-02-18	2023-02-18	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
2	Grenville 2019 (A)	2019-06-08	2019-06-08	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
3	Fields College Open 2019 (Open)	2019-02-02	2019-02-02	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
4	Lebone II Chess 2018 (U20+Open)	2018-09-01	2018-09-01	Standard	Cape Town (WCT)	5	4	2.5	Yes	Analysis
5	Laerskool Brits Tournament 2018 (U20+Open)	2018-08-04	2018-08-04	Standard	Bojanala Platina (NBR)	5	5	4.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament Laerskool Brits Tournament 2018				Tournament Lebone II Chess 2018
		date 2018-08-04	rnd 1	type Standard	result 1	date 2018-09-01	rnd 3	type Standard	result 0.5
		Opponent Du Preez, W (Wessel)				Opponent Mosweu, M (Moses)
2	4	Tournament Grenville 2019				Tournament One For The Ages 2023
		date 2019-06-08	rnd 5	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Esterhuizen, WJ (Willem Johannes)				Opponent Difotso, T (Tshegofatso)
3	4	Tournament Fields College Open 2019				Tournament Grenville 2019
		date 2019-02-02	rnd 5	type Standard	result 1	date 2019-06-08	rnd 3	type Standard	result 1
		Opponent Maseng, GT (Gomolemo)				Opponent Nkuna, M (Mchuchisi)

#	Games	Start				End
1	8	Tournament Laerskool Brits Tournament 2018				Tournament Lebone II Chess 2018
		date 2018-08-04	rnd 1	type Standard	result 1	date 2018-09-01	rnd 3	type Standard	result 0.5
		Opponent Du Preez, W (Wessel)				Opponent Mosweu, M (Moses)
2	4	Tournament Grenville 2019				Tournament One For The Ages 2023
		date 2019-06-08	rnd 5	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Esterhuizen, WJ (Willem Johannes)				Opponent Difotso, T (Tshegofatso)
3	4	Tournament Fields College Open 2019				Tournament Grenville 2019
		date 2019-02-02	rnd 5	type Standard	result 1	date 2019-06-08	rnd 3	type Standard	result 1
		Opponent Maseng, GT (Gomolemo)				Opponent Nkuna, M (Mchuchisi)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Grenville 2019				Tournament One For The Ages 2023
		date 2019-06-08	rnd 5	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Esterhuizen, WJ (Willem Johannes)				Opponent Difotso, T (Tshegofatso)
2	4	Tournament Fields College Open 2019				Tournament Grenville 2019
		date 2019-02-02	rnd 5	type Standard	result 1	date 2019-06-08	rnd 3	type Standard	result 1
		Opponent Maseng, GT (Gomolemo)				Opponent Nkuna, M (Mchuchisi)
3	4	Tournament Laerskool Brits Tournament 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-08-04	rnd 1	type Standard	result 1	date 2018-08-04	rnd 4	type Standard	result 1
		Opponent Du Preez, W (Wessel)				Opponent Nkwe, O (Omogolo)

#	Games	Start				End
1	4	Tournament Grenville 2019				Tournament One For The Ages 2023
		date 2019-06-08	rnd 5	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Esterhuizen, WJ (Willem Johannes)				Opponent Difotso, T (Tshegofatso)
2	4	Tournament Fields College Open 2019				Tournament Grenville 2019
		date 2019-02-02	rnd 5	type Standard	result 1	date 2019-06-08	rnd 3	type Standard	result 1
		Opponent Maseng, GT (Gomolemo)				Opponent Nkuna, M (Mchuchisi)
3	4	Tournament Laerskool Brits Tournament 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-08-04	rnd 1	type Standard	result 1	date 2018-08-04	rnd 4	type Standard	result 1
		Opponent Du Preez, W (Wessel)				Opponent Nkwe, O (Omogolo)

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	Difotso ,T (Tshegofatso)	2	1	0	2	1	0	0	0	0	0	0	0
1	Difotso ,T (Tshegofatso)	2	1391.4	1391.4	2	1383.2	1391.4	0	0	0	0	0	0
2	Byliefeldt ,L (Leroux)	1	1	425	1	1	425	0	0	0	0	0	0
2	Byliefeldt ,L (Leroux)	1	1531.5	1956.5	1	1538.8	1956.5	0	0	0	0	0	0
3	Seabelo ,KR (Keolebogile Romeo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Seabelo ,KR (Keolebogile Romeo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Reyneke ,R (Rubert)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Reyneke ,R (Rubert)	1	977.2	977.2	1	978.4	977.2	0	0	0	0	0	0
5	Sebowe ,S (Stanley)	1	1	425	1	1	425	0	0	0	0	0	0
5	Sebowe ,S (Stanley)	1	1662.5	2087.5	1	1657.3	2087.5	0	0	0	0	0	0
6	Lefyedi ,T (Thatego)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Lefyedi ,T (Thatego)	1	1528.2	1103.2	1	1530.6	1103.2	0	0	0	0	0	0
7	Du Preez ,W (Wessel)	1	1	425	1	1	425	0	0	0	0	0	0
7	Du Preez ,W (Wessel)	1	1056.6	1481.6	1	1060.2	1481.6	0	0	0	0	0	0
8	Nkwe ,O (Omogolo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Nkwe ,O (Omogolo)	1	1615	2040	1	1622.8	2040	0	0	0	0	0	0
9	Ntsileng ,SR (Sebaga Reneilwe)	1	1	425	1	1	425	0	0	0	0	0	0
9	Ntsileng ,SR (Sebaga Reneilwe)	1	1240.2	1665.2	1	1235.5	1665.2	0	0	0	0	0	0
10	Maseng ,GT (Gomolemo Thebetsile)	1	1	425	1	1	425	0	0	0	0	0	0
10	Maseng ,GT (Gomolemo Thebetsile)	1	1204.5	1629.5	1	1206.6	1629.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Bossert, WH (Werner)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms