Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bouwer, D (Dewet)

Chess SA id

109083528

FIDE id

Date of birth

2009-05-14 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-08-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	640.3	664.8	530.4	530.4
Raw rating	640.3	664.8	530.4	530.4
Weighted rating	640.3	664.8	530.4	530.4
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	368.1	355.5	430.5	430.5
Highest rating	1207.4 2018-05-01	1207.4 2018-05-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	640.3 2024-02-01	664.8 2024-02-01	530.4 2024-02-01	530.4 2024-02-01
Highest weighted rating	640.3 2024-11-01	664.8 2024-11-01	530.4 2024-11-01	530.4 2024-11-01
Highest weighted performance	1207.4 2018-05-01	1207.4 2018-05-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	640.3	664.8	530.4	530.4
Analysis
Rating	640.3	664.8	530.4	530.4
Raw rating	640.3	664.8	530.4	530.4
Weighted rating	640.3	664.8	530.4
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	368.1	355.5	430.5	430.5
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	640.3	664.8	530.4	530.4
New weighted rating	640.3	664.8	530.4	530.4
New weighted performance	0	0	0	0
Temp new rating	640.3	664.8	530.4	530.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	640.3	664.8	530.4	530.4
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	39	39

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	11	3.5	31.82	-154.5	1175	1020.4
Standard	11	3.5	31.82	-154.5	1175	1020.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	640.3	664.8	530.4	530.4
2025-09-01	640.3	664.8	530.4	530.4
2025-08-01	640.3	664.8	530.4	530.4
2025-07-01	640.3	664.8	530.4	530.4
2025-06-01	640.3	664.8	530.4	530.4
2025-05-01	640.3	664.8	530.4	530.4
2025-04-01	640.3	664.8	530.4	530.4
2025-03-01	640.3	664.8	530.4	530.4
2025-02-01	640.3	664.8	530.4	530.4
2025-01-01	640.3	664.8	530.4	530.4
2024-12-01	640.3	664.8	530.4	530.4
2024-11-01	640.3	664.8	530.4	530.4
2024-10-01	640.3	664.8	530.4	530.4
2024-09-01	640.3	664.8	530.4	530.4
2024-08-01	640.3	664.8	530.4	530.4
2024-07-01	640.3	664.8	530.4	530.4
2024-06-01	640.3	664.8	530.4	530.4
2024-08-01	640.3	664.8	530.4	530.4
2024-04-01	640.3	664.8	530.4	530.4
2024-03-01	640.3	664.8	530.4	530.4
2024-02-01	640.3	664.8	530.4	530.4
2024-01-01	640.3	664.8	530.4	530.4
2023-12-01	640.3	664.8	530.4	530.4
2023-11-01	640.3	664.8	530.4	530.4

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	D2 League Finals 2019 (U11)	2019-08-03	2019-08-03	Standard	West Rand (GWR)	7	6	1	Yes	Analysis
2	D2 Schools Individuals 2018 (U9 Open)	2018-05-19	2018-05-19	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament D2 Schools Individuals 2018				Tournament D2 Schools Individuals 2018
		date 2018-05-19	rnd 3	type Standard	result 0.5	date 2018-05-19	rnd 5	type Standard	result 1
		Opponent Mohlomi, L (Lesego)				Opponent Roode, JI (Johannes Izak)
2	1	Tournament D2 League Finals 2019				Tournament D2 League Finals 2019
		date 2019-08-03	rnd 7	type Standard	result 1	date 2019-08-03	rnd 7	type Standard	result 1
		Opponent Smit, Z (Zinelle)				Opponent Smit, Z (Zinelle)

#	Games	Start				End
1	3	Tournament D2 Schools Individuals 2018				Tournament D2 Schools Individuals 2018
		date 2018-05-19	rnd 3	type Standard	result 0.5	date 2018-05-19	rnd 5	type Standard	result 1
		Opponent Mohlomi, L (Lesego)				Opponent Roode, JI (Johannes Izak)
2	1	Tournament D2 League Finals 2019				Tournament D2 League Finals 2019
		date 2019-08-03	rnd 7	type Standard	result 1	date 2019-08-03	rnd 7	type Standard	result 1
		Opponent Smit, Z (Zinelle)				Opponent Smit, Z (Zinelle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament D2 Schools Individuals 2018				Tournament D2 Schools Individuals 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-19	rnd 5	type Standard	result 1
		Opponent De Wee , T (Trezeguet)				Opponent Roode, JI (Johannes Izak)
2	1	Tournament D2 League Finals 2019				Tournament D2 League Finals 2019
		date 2019-08-03	rnd 7	type Standard	result 1	date 2019-08-03	rnd 7	type Standard	result 1
		Opponent Smit, Z (Zinelle)				Opponent Smit, Z (Zinelle)

#	Games	Start				End
1	2	Tournament D2 Schools Individuals 2018				Tournament D2 Schools Individuals 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-19	rnd 5	type Standard	result 1
		Opponent De Wee , T (Trezeguet)				Opponent Roode, JI (Johannes Izak)
2	1	Tournament D2 League Finals 2019				Tournament D2 League Finals 2019
		date 2019-08-03	rnd 7	type Standard	result 1	date 2019-08-03	rnd 7	type Standard	result 1
		Opponent Smit, Z (Zinelle)				Opponent Smit, Z (Zinelle)

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	Roode ,JI (Johannes Izak)	1	1	425	1	1	425	0	0	0	0	0	0
1	Roode ,JI (Johannes Izak)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Varachia ,Z (Zaid)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Varachia ,Z (Zaid)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Rankin ,CD (Conrad Dawid)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Rankin ,CD (Conrad Dawid)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Cooper-Bell ,R (Rueben)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Cooper-Bell ,R (Rueben)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	De Wee ,T (Trezeguet)	1	1	425	1	1	425	0	0	0	0	0	0
5	De Wee ,T (Trezeguet)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Van Zyl ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Van Zyl ,E (Ethan)	1	1085.8	660.8	1	1108	660.8	0	0	0	0	0	0
7	Smit ,Z (Zinelle)	1	1	425	1	1	425	0	0	0	0	0	0
7	Smit ,Z (Zinelle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Joubert ,T (Tjj)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Joubert ,T (Tjj)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Humane ,NP (Noziphiwo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Humane ,NP (Noziphiwo)	1	1295.5	870.5	1	1293.6	870.5	0	0	0	0	0	0
10	Mohlomi ,L (Lesego)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Mohlomi ,L (Lesego)	1	1200	1200	1	1200	1200	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Bouwer, D (Dewet)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms