Chess South Africa Ratings Database

PLAYER PAGE

Personal

Roets, WC (Willem Cornelius)

Chess SA id

194066798

FIDE id

Date of birth

1994-12-09 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

CPA

Chess SA registered

Last active game

2024-07-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1163.5	1232.4	658.4	611.2
Raw rating	1163.5	1232.4	658.4	611.2
Weighted rating	1147.8	1220.3	643.6	611.2
Weighted performance	1013.9	952.5	0	0
Floor	663.5	732.4	500	500
K-factor	40	36	40	40
Min/Max rating change allowed	174.7	158.3	358.7	383.7
Highest rating	1351.1 2020-02-01	1356.4 2022-08-01	1200 2019-12-01	1200 2019-12-01
Highest raw rating	1163.5 2024-08-01	1232.4 2024-04-01	658.4 2024-08-01	611.2 2024-03-01
Highest weighted rating	1163.5 2024-11-01	1232.4 2024-11-01	658.4 2024-11-01	611.2 2024-11-01
Highest weighted performance	1351.1 2020-02-01	1356.4 2022-08-01	1200 2019-12-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1163.5	1232.4	658.4	611.2
Analysis
Rating	1163.5	1232.4	658.4	611.2
Raw rating	1163.5	1232.4	658.4	611.2
Weighted rating	1147.8	1220.3	643.6
Weighted performance	1013.9	952.5	0
K-factor	40	36	40	40
Floor	663.5	732.4	500	500
Max/Min rating change allowed	174.7	158.3	358.7	383.7
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	1163.5	1232.4	658.4	611.2
New weighted rating	1151.9	1224.4	646.5	611.2
New weighted performance	1013.5	952	0	0
Temp new rating	1163.5	1232.4	658.4	611.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1163.5	1232.4	658.4	611.2
New K-factor	40	36	40	40
New floor	663.5	732.4	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	11	5	6	0
	0	0	0	0
	24	11	5	8
	5	5	0	0
History	45	26	11	8

Games since
	Main 11	Standard 5		Rapid 6		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	45	21.5	47.78	-18.9	1380.6	1361.7
Standard	26	16.5	63.46	114.4	1345.8	1460.2
Rapid	11	2.5	22.73	-231.8	1495.2	1263.3
Blitz	8	2.5	31.25	-159.4	1335.9	1176.5

Date	Main	Standard	Rapid	Blitz
2025-09-30	1163.5	1232.4	658.4	611.2
2025-09-01	1163.5	1232.4	658.4	611.2
2025-08-01	1163.5	1232.4	658.4	611.2
2025-07-01	1163.5	1232.4	658.4	611.2
2025-06-01	1163.5	1232.4	658.4	611.2
2025-05-01	1163.5	1232.4	658.4	611.2
2025-04-01	1163.5	1232.4	658.4	611.2
2025-03-01	1163.5	1232.4	658.4	611.2
2025-02-01	1163.5	1232.4	658.4	611.2
2025-01-01	1163.5	1232.4	658.4	611.2
2024-12-01	1163.5	1232.4	658.4	611.2
2024-11-01	1163.5	1232.4	658.4	611.2
2024-10-01	1163.5	1232.4	658.4	611.2
2024-09-01	1163.5	1232.4	658.4	611.2
2024-08-01	1163.5	1232.4	658.4	611.2
2024-07-01	1109	1232.4	559.6	611.2
2024-06-01	1109	1232.4	559.6	611.2
2024-08-01	1109	1232.4	559.6	611.2
2024-04-01	1109	1232.4	559.6	611.2
2024-03-01	957.6	991.2	559.6	611.2
2024-02-01	957.6	991.2	559.6	611.2
2024-01-01	957.6	991.2	559.6	611.2
2023-12-01	957.6	991.2	559.6	611.2
2023-11-01	957.6	991.2	559.6	611.2

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	JNW Rapid - Helpmekaar Kollege 2024	2024-07-28	2024-07-28	Rapid	Johannesburg Metro (GJM)	7	6	2.5	Yes	Analysis
2	JNW Open - Classic - Crawford 2024 (B)	2024-03-09	2024-03-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	CPH Chess Clubs Challenge 2022 (B)	2022-11-12	2022-11-12	Rapid	Johannesburg Metro (GJM)	6	5	0	Yes	Analysis
4	JMC Womens Day 2022 (C)	2022-08-06	2022-08-07	Standard	Johannesburg Metro (GJM)	6	6	5	Yes	Analysis
5	JMC Blitz Open 8 August 2022 (A)	2022-08-08	2022-08-08	Blitz	Johannesburg Metro (GJM)	9	8	2.5	Yes	Analysis
6	JNW Trinityhouse LF 2022 (Challengers)	2022-03-12	2022-03-12	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	JMC Everest 2021 (B)	2021-10-30	2021-10-30	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
8	JNW Club - Trinityhouse Randpark Ridge Open 2020 (B)	2020-02-22	2020-02-22	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament JMC Womens Day 2022				Tournament JMC Womens Day 2022
		date 2022-08-06	rnd 3	type Standard	result 1	date 2022-08-07	rnd 6	type Standard	result 1
		Opponent Iyer, A (Aditya)				Opponent Thorulsley, K (Kairaav)
2	3	Tournament JNW Open - Classic - Crawford 2024				Tournament JNW Rapid - Helpmekaar Kollege 2024
		date 2024-03-09	rnd 5	type Standard	result 0.5	date 2024-07-28	rnd 2	type Rapid	result 1
		Opponent Brits, E (Etienne)				Opponent Mawodzeka, J (Jabulani)
3	3	Tournament JNW Open - Classic - Crawford 2024				Tournament JNW Open - Classic - Crawford 2024
		date 2024-03-09	rnd 1	type Standard	result 0.5	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Joseph, J (Jamie)				Opponent Segal, J (Jamie)

#	Games	Start				End
1	7	Tournament JMC Womens Day 2022				Tournament JNW Open - Classic - Crawford 2024
		date 2022-08-06	rnd 3	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Iyer, A (Aditya)				Opponent Segal, J (Jamie)
2	3	Tournament JNW Trinityhouse LF 2022				Tournament JMC Womens Day 2022
		date 2022-03-12	rnd 4	type Standard	result 1	date 2022-08-06	rnd 1	type Standard	result 1
		Opponent Johnson, A (Ashar)				Opponent Badenhorst, D (Daniel)
3	3	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020
		date 2020-02-22	rnd 1	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 0.5
		Opponent Ramlall, S (Sanjana)				Opponent Makwana, A (Adolf)

#	Games	Start				End
1	2	Tournament JNW Rapid - Helpmekaar Kollege 2024				Tournament JNW Rapid - Helpmekaar Kollege 2024
		date 2024-07-28	rnd 1	type Rapid	result 0.5	date 2024-07-28	rnd 2	type Rapid	result 1
		Opponent Thomson-Selibowitz, R (Ryder)				Opponent Mawodzeka, J (Jabulani)
2	1	Tournament JNW Rapid - Helpmekaar Kollege 2024				Tournament JNW Rapid - Helpmekaar Kollege 2024
		date 2024-07-28	rnd 7	type Rapid	result 1	date 2024-07-28	rnd 7	type Rapid	result 1
		Opponent Lekwape, R (Retshidisitswe)				Opponent Lekwape, R (Retshidisitswe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament JMC Womens Day 2022				Tournament JMC Womens Day 2022
		date 2022-08-06	rnd 3	type Standard	result 1	date 2022-08-07	rnd 6	type Standard	result 1
		Opponent Iyer, A (Aditya)				Opponent Thorulsley, K (Kairaav)
2	3	Tournament JNW Trinityhouse LF 2022				Tournament JMC Womens Day 2022
		date 2022-03-12	rnd 4	type Standard	result 1	date 2022-08-06	rnd 1	type Standard	result 1
		Opponent Johnson, A (Ashar)				Opponent Badenhorst, D (Daniel)
3	2	Tournament JNW Open - Classic - Crawford 2024				Tournament JNW Open - Classic - Crawford 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Ma, M (Matthew)				Opponent Segal, J (Jamie)

#	Games	Start				End
1	4	Tournament JMC Womens Day 2022				Tournament JMC Womens Day 2022
		date 2022-08-06	rnd 3	type Standard	result 1	date 2022-08-07	rnd 6	type Standard	result 1
		Opponent Iyer, A (Aditya)				Opponent Thorulsley, K (Kairaav)
2	3	Tournament JNW Trinityhouse LF 2022				Tournament JMC Womens Day 2022
		date 2022-03-12	rnd 4	type Standard	result 1	date 2022-08-06	rnd 1	type Standard	result 1
		Opponent Johnson, A (Ashar)				Opponent Badenhorst, D (Daniel)
3	2	Tournament JNW Open - Classic - Crawford 2024				Tournament JNW Open - Classic - Crawford 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Ma, M (Matthew)				Opponent Segal, J (Jamie)

#	Games	Start				End
1	1	Tournament JNW Rapid - Helpmekaar Kollege 2024				Tournament JNW Rapid - Helpmekaar Kollege 2024
		date 2024-07-28	rnd 7	type Rapid	result 1	date 2024-07-28	rnd 7	type Rapid	result 1
		Opponent Lekwape, R (Retshidisitswe)				Opponent Lekwape, R (Retshidisitswe)
2	1	Tournament JNW Rapid - Helpmekaar Kollege 2024				Tournament JNW Rapid - Helpmekaar Kollege 2024
		date 2024-07-28	rnd 2	type Rapid	result 1	date 2024-07-28	rnd 2	type Rapid	result 1
		Opponent Mawodzeka, J (Jabulani)				Opponent Mawodzeka, J (Jabulani)

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	Bazhko ,A (Anton)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Bazhko ,A (Anton)	1	1427.3	1002.3	1	1413.5	1002.3	0	0	0	0	0	0
2	Joseph ,J (Jamie)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Joseph ,J (Jamie)	1	1405.2	1405.2	1	1420	1405.2	0	0	0	0	0	0
3	Boshoma ,C (Chisomo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Boshoma ,C (Chisomo)	1	1425.6	1000.6	1	1423.4	1000.6	0	0	0	0	0	0
4	Van Stryp ,O (Ockert)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Stryp ,O (Ockert)	1	1331.3	1756.3	1	1332.1	1756.3	0	0	0	0	0	0
5	Segal ,J (Jamie)	1	1	425	1	1	425	0	0	0	0	0	0
5	Segal ,J (Jamie)	1	1514.3	1939.3	1	1496.1	1939.3	0	0	0	0	0	0
6	Mesele ,O (Oboitshepo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mesele ,O (Oboitshepo)	1	1293.8	868.8	1	1297	868.8	0	0	0	0	0	0
7	Thorulsley ,K (Kairaav)	1	1	425	1	1	425	0	0	0	0	0	0
7	Thorulsley ,K (Kairaav)	1	1353.4	1778.4	1	1344.6	1778.4	0	0	0	0	0	0
8	Johnson ,A (Ashar)	1	1	425	1	1	425	0	0	0	0	0	0
8	Johnson ,A (Ashar)	1	1232	1657	1	1223	1657	0	0	0	0	0	0
9	Lamprecht ,A (Andre)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Lamprecht ,A (Andre)	1	1362.7	937.7	1	1350.5	937.7	0	0	0	0	0	0
10	Botha ,JCC (Johannes Christiaan Corneli)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Botha ,JCC (Johannes Christiaan Corneli)	1	1564.8	1139.8	1	1558.4	1139.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Roets, WC (Willem Cornelius)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms