Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Plessis, W (Willem)

Chess SA id

1100108337

FIDE id

Date of birth

2010-05-01 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-03-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1115.1

Item	Main	Standard	Rapid	Blitz
Rating	1265.2	1275.9	1200	1200
Raw rating	1265.2	1275.9	1200	1200
Weighted rating	1254.5	1263.8	1200	1200
Weighted performance	1032.5	1036.1	0	0
Floor	765.2	775.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.1	148.8	165.8	165.8
Highest rating	1287.8 2019-01-01	1285.9 2019-01-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1265.2 2025-04-01	1275.9 2025-04-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1265.2 2025-02-01	1275.9 2025-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1287.8 2019-01-01	1285.9 2019-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1265.2	1275.9	1200	1200
Analysis
Rating	1265.2	1275.9	1200	1200
Raw rating	1265.2	1275.9	1200	1200
Weighted rating	1254.5	1263.8	1200
Weighted performance	1032.5	1036.1	0
K-factor	36	36	36	36
Floor	765.2	775.9	700	700
Max/Min rating change allowed	151.1	148.8	165.8	165.8
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	1265.2	1275.9	1200	1200
New weighted rating	1256.2	1265.7	1200	1200
New weighted performance	1025.3	1028.8	0	0
Temp new rating	1265.2	1275.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1265.2	1275.9	1200	1200
New K-factor	36	36	36	36
New floor	765.2	775.9	700	700

Item	Main	Standard
	0	0
	10	10
	9	9
	0	0
	0	0
	0	0
History	38	38

Games since
	Main 19	Standard 19		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	10	4	40	-85	1213.9	1128.9
Standard	10	4	40	-85	1213.9	1128.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	38	21	55.26	44.7	1181.8	1226.6
Standard	38	21	55.26	44.7	1181.8	1226.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1265.2	1275.9	1200	1200
2025-09-30	1265.2	1275.9	1200	1200
2025-09-01	1265.2	1275.9	1200	1200
2025-08-01	1265.2	1275.9	1200	1200
2025-07-01	1265.2	1275.9	1200	1200
2025-06-01	1265.2	1275.9	1200	1200
2025-05-01	1265.2	1275.9	1200	1200
2025-04-01	1265.2	1275.9	1200	1200
2025-03-01	1230.2	1235.5	1200	1200
2025-02-01	1253.6	1263.9	1200	1200
2025-01-01	1253.6	1263.9	1200	1200
2024-12-01	1253.6	1263.9	1200	1200
2024-11-01	1253.6	1263.9	1200	1200
2024-10-01	1253.6	1263.9	1200	1200
2024-09-01	1253.6	1263.9	1200	1200
2024-08-01	1228.5	1232.9	1200	1200
2024-07-01	1228.5	1232.9	1200	1200
2024-09-01	1228.5	1232.9	1200	1200
2024-05-01	1228.5	1232.9	1200	1200
2024-04-01	1228.5	1232.9	1200	1200
2024-03-01	1228.5	1232.9	1200	1200
2024-02-01	1207.6	1208.4	1200	1200
2024-01-01	1207.6	1208.4	1200	1200
2023-12-01	1207.6	1208.4	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	AHS Open Chess Tournament 2025 (D)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	AHS Open Chess Tournament 2025 (D)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	0	Yes	Analysis
3	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U15B)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
4	2024 Tshwane Chess AHS Open Chess Tournament (D2)	2024-02-24	2024-02-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	2019 Chris Greyling (E)	2019-04-27	2019-04-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	2019 Waterkloof Open (E)	2019-03-02	2019-03-02	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
7	2019 Blou Bul (E)	2019-02-16	2019-02-16	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
8	2019 Tshwane Chess Registration Tournament (E)	2019-01-26	2019-01-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2019 Chris Greyling				Tournament 2024 Tshwane Chess AHS Open Chess Tournament
		date 2019-04-27	rnd 2	type Standard	result 1	date 2024-02-24	rnd 1	type Standard	result 1
		Opponent Bogaard, A (Anneke)				Opponent Mashele, N (Naledi)
2	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Kotze, K (Klara)				Opponent Erlank, X (Xander)
3	3	Tournament 2019 Blou Bul				Tournament 2019 Waterkloof Open
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Niehaus, J (Johannes)				Opponent Du Preez, M (Myndert)

#	Games	Start				End
1	5	Tournament 2019 Chris Greyling				Tournament 2024 Tshwane Chess AHS Open Chess Tournament
		date 2019-04-27	rnd 2	type Standard	result 1	date 2024-02-24	rnd 1	type Standard	result 1
		Opponent Bogaard, A (Anneke)				Opponent Mashele, N (Naledi)
2	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Kotze, K (Klara)				Opponent Erlank, X (Xander)
3	3	Tournament 2019 Blou Bul				Tournament 2019 Waterkloof Open
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Niehaus, J (Johannes)				Opponent Du Preez, M (Myndert)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2019 Chris Greyling				Tournament 2024 Tshwane Chess AHS Open Chess Tournament
		date 2019-04-27	rnd 2	type Standard	result 1	date 2024-02-24	rnd 1	type Standard	result 1
		Opponent Bogaard, A (Anneke)				Opponent Mashele, N (Naledi)
2	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Kotze, K (Klara)				Opponent Erlank, X (Xander)
3	3	Tournament 2019 Blou Bul				Tournament 2019 Waterkloof Open
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Niehaus, J (Johannes)				Opponent Du Preez, M (Myndert)

#	Games	Start				End
1	5	Tournament 2019 Chris Greyling				Tournament 2024 Tshwane Chess AHS Open Chess Tournament
		date 2019-04-27	rnd 2	type Standard	result 1	date 2024-02-24	rnd 1	type Standard	result 1
		Opponent Bogaard, A (Anneke)				Opponent Mashele, N (Naledi)
2	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Kotze, K (Klara)				Opponent Erlank, X (Xander)
3	3	Tournament 2019 Blou Bul				Tournament 2019 Waterkloof Open
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Niehaus, J (Johannes)				Opponent Du Preez, M (Myndert)

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	Van Der Merwe ,H (Hendrik)	1	1	425	1	1	425	0	0	0	0	0	0
1	Van Der Merwe ,H (Hendrik)	1	1212.8	1637.8	1	1208.8	1637.8	0	0	0	0	0	0
2	Green ,H (Hadrian)	1	1	425	1	1	425	0	0	0	0	0	0
2	Green ,H (Hadrian)	1	1222.9	1647.9	1	1226.8	1647.9	0	0	0	0	0	0
3	Scholtz ,I (Imke)	1	1	425	1	1	425	0	0	0	0	0	0
3	Scholtz ,I (Imke)	1	1119.6	1544.6	1	1117.3	1544.6	0	0	0	0	0	0
4	Herbst ,S (Schalk)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Herbst ,S (Schalk)	1	1125.1	700.1	1	1182.6	700.1	0	0	0	0	0	0
5	Mashele ,N (Naledi)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mashele ,N (Naledi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Niehaus ,SJ (Samuel Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Niehaus ,SJ (Samuel Johannes)	1	1034.2	609.2	1	1034.2	609.2	0	0	0	0	0	0
7	Strydom ,L (Leyan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Strydom ,L (Leyan)	1	1235	810	1	1238.9	810	0	0	0	0	0	0
8	De Klerk ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
8	De Klerk ,D (Daniel)	1	1158.3	1583.3	1	1149.4	1583.3	0	0	0	0	0	0
9	Du Preez ,M (Myndert)	1	1	425	1	1	425	0	0	0	0	0	0
9	Du Preez ,M (Myndert)	1	1163.8	1588.8	1	1155.2	1588.8	0	0	0	0	0	0
10	Barnardt ,Z (Zandr�)	1	1	425	1	1	425	0	0	0	0	0	0
10	Barnardt ,Z (Zandr�)	1	1215.6	1640.6	1	1210	1640.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Du Plessis, W (Willem)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms