Chess South Africa Ratings Database

PLAYER PAGE

Personal

Willemse, J (Jesrial)

Chess SA id

110086220

FIDE id

Date of birth

2010-01-19 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1234.1	1237	618.8	578.8
Raw rating	1234.1	1237	618.8	578.8
Weighted rating	1197.2	1202.4	527.3	518.1
Weighted performance	1160.6	1065.4	0	0
Floor	734.1	737	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	157.9	157.3	379.5	401.8
Highest rating	1234.1 2025-11-01	1237 2025-04-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1234.1 2025-11-01	1237 2025-04-01	618.8 2025-11-01	578.8 2025-11-01
Highest weighted rating	1223.5 2024-11-01	1237 2024-11-01	509.5 2025-11-01	506.3 2025-11-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1234.1	1237	618.8	578.8
Analysis
Rating	1234.1	1237	618.8	578.8
Raw rating	1234.1	1237	618.8	578.8
Weighted rating	1197.2	1202.4	527.3
Weighted performance	1160.6	1065.4	0
K-factor	36	36	40	40
Floor	734.1	737	500	500
Max/Min rating change allowed	157.9	157.3	379.5	401.8
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	1234.1	1237	618.8	578.8
New weighted rating	1201.9	1207.1	535.6	523.6
New weighted performance	1152.5	1057.1	0	0
Temp new rating	1234.1	1237	618.8	578.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1234.1	1237	618.8	578.8
New K-factor	36	36	40	40
New floor	734.1	737	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	22	10	6	6
	10	10	0	0
	18	18	0	0
	0	0	0	0
	0	0	0	0
History	131	119	6	6

Games since
	Main 32	Standard 20		Rapid 6		Blitz 6
Gender	Male
Age group	U16
Region	Eden (WEG)
Province	Western Cape (WC)
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	22	11.5	52.27	19.3	1296.8	1316.1
Standard	10	6.5	65	127.5	1245.6	1373.1
Rapid	6	3	50	0	1350.9	1350.9
Blitz	6	2	33.33	-141.7	1328.2	1186.5
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	102	43	42.16	-66.7	1210.8	1144.1
Standard	90	38	42.22	-66.1	1193.6	1127.5
Rapid	6	3	50	0	1350.9	1350.9
Blitz	6	2	33.33	-141.7	1328.2	1186.5

Date	Main	Standard	Rapid	Blitz
2026-01-01	1234.1	1237	618.8	578.8
2025-11-30	1234.1	1237	618.8	578.8
2025-11-01	1234.1	1237	618.8	578.8
2025-09-30	1223.5	1237	500	500
2025-09-01	1223.5	1237	500	500
2025-08-01	1223.5	1237	500	500
2025-07-01	1223.5	1237	500	500
2025-06-01	1223.5	1237	500	500
2025-05-01	1223.5	1237	500	500
2025-04-01	1223.5	1237	500	500
2025-03-01	1186.9	1193.6	500	500
2025-02-01	1142.5	1140.1	500	500
2025-01-01	1132.7	1127.1	500	500
2024-12-01	1132.7	1127.1	500	500
2024-11-01	1132.7	1127.1	500	500
2024-10-01	1132.7	1127.1	500	500
2024-09-01	1132.7	1127.1	500	500
2024-11-01	1132.7	1127.1	500	500
2024-07-01	1132.7	1127.1	500	500
2024-06-01	1132.7	1127.1	500	500
2024-05-01	1132.7	1127.1	500	500
2024-04-01	1132.7	1127.1	500	500
2024-03-01	1132.7	1127.1	500	500
2024-02-01	1171.2	1178.3	500	500

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	Uben Roode Foundation Open 2025 (2)	2025-10-25	2025-10-25	Rapid	Eden (WEG)	6	6	3	Yes	Analysis
2	Uben Roode Foundation Open 2025 (1)	2025-10-24	2025-10-24	Blitz	Eden (WEG)	6	6	2	Yes	Analysis
3	Oudussa Trials 2025 (U15)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	Oudussa Trials 2 2025 (U5 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
5	OUDUSSA Trials 2 2024 (U15 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	2	Yes	Analysis
6	OUDUSSA Trials 1 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
7	Eden Trials 2+3 2023 (U14)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	8	4	Yes	Analysis
8	Eden Trails 1 2023 (U13 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	2	Yes	Analysis
9	Oudussa Proewe 1 2023 (U13 Boys)	2023-02-11	2023-02-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
10	Eden Schools Closed Trials 1 2020 (U11 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
11	Oudtshoorn Proewe 1 2020 (O11)	2020-02-15	2020-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
12	Eden Trials 3 2019 (U10 Open)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
13	Western Cape Schools Individuals 2019 (U9 Boys)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	1.5	Yes	Analysis
14	Eden Trials 2 2019 (U10 Open)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	4	2	Yes	Analysis
15	Eden Trials 1 2019 (U10 Open)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	5	2	Yes	Analysis
16	Oudtshoorn Trials 2 2019 (U10)	2019-02-09	2019-02-09	Standard	Eden (WEG)	5	4	2	Yes	Analysis
17	Oudtshoorn Trials 1 2019 (U10)	2019-01-19	2019-01-19	Standard	Eden (WEG)	5	5	2	Yes	Analysis
18	EDENSC Closed 3 2018 (U10 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	4	1	Yes	Analysis
19	EDENSC Closed 2 2018 (U10 Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
20	EDENSC Closed 1 2018 (U10)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	4	1	Yes	Analysis

#	Games	Start				End
1	5	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Fillis, L (Lindokuhle)				Opponent Minnies, J (Jo Neyden)
2	3	Tournament Eden Trials 2 2019				Tournament Eden Trials 3 2019
		date 2019-04-13	rnd 3	type Standard	result 1	date 2019-05-11	rnd 1	type Standard	result 1
		Opponent Fielies, S (Shane)				Opponent Le Roux, E (Ebert)
3	3	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 2 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-04-14	rnd 2	type Standard	result 1
		Opponent Jonas, D (Damian)				Opponent Van Der Rijst, C (Connor)

#	Games	Start				End
1	5	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Fillis, L (Lindokuhle)				Opponent Minnies, J (Jo Neyden)
2	3	Tournament Eden Trials 2 2019				Tournament Eden Trials 3 2019
		date 2019-04-13	rnd 3	type Standard	result 1	date 2019-05-11	rnd 1	type Standard	result 1
		Opponent Fielies, S (Shane)				Opponent Le Roux, E (Ebert)
3	3	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 2 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-04-14	rnd 2	type Standard	result 1
		Opponent Jonas, D (Damian)				Opponent Van Der Rijst, C (Connor)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Fillis, L (Lindokuhle)				Opponent Stuurman, D (Dante)
2	3	Tournament Eden Trials 2 2019				Tournament Eden Trials 3 2019
		date 2019-04-13	rnd 3	type Standard	result 1	date 2019-05-11	rnd 1	type Standard	result 1
		Opponent Fielies, S (Shane)				Opponent Le Roux, E (Ebert)
3	2	Tournament Eden Trials 2+3 2023				Tournament OUDUSSA Trials 1 2024
		date 2023-05-13	rnd 10	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Claassen, K (Keaney)				Opponent Arends, B (Brendon)

#	Games	Start				End
1	3	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Fillis, L (Lindokuhle)				Opponent Stuurman, D (Dante)
2	3	Tournament Eden Trials 2 2019				Tournament Eden Trials 3 2019
		date 2019-04-13	rnd 3	type Standard	result 1	date 2019-05-11	rnd 1	type Standard	result 1
		Opponent Fielies, S (Shane)				Opponent Le Roux, E (Ebert)
3	2	Tournament Eden Trials 2+3 2023				Tournament OUDUSSA Trials 1 2024
		date 2023-05-13	rnd 10	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Claassen, K (Keaney)				Opponent Arends, B (Brendon)

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	Du Plessis ,C (Callan)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Du Plessis ,C (Callan)	3	1264	839	3	1263.6	839	0	0	0	0	0	0
2	Botha ,J (Josephnique)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Botha ,J (Josephnique)	2	1214.1	1001.6	2	1214.5	1001.6	0	0	0	0	0	0
3	Heunis ,F (Fourie)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Heunis ,F (Fourie)	2	1206.6	781.6	2	1206	781.6	0	0	0	0	0	0
4	van Wyk ,M (Mikhail)	2	1	0	2	1	0	0	0	0	0	0	0
4	van Wyk ,M (Mikhail)	2	1197.7	1197.7	2	1197.1	1197.7	0	0	0	0	0	0
5	Meyer ,A (Albert)	2	1	0	2	1	0	0	0	0	0	0	0
5	Meyer ,A (Albert)	2	1173.6	1173.6	2	1167.8	1173.6	0	0	0	0	0	0
6	De Waal ,L (Liam)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	De Waal ,L (Liam)	2	1269.3	844.3	2	1267.1	844.3	0	0	0	0	0	0
7	Fielies ,S (Shane)	2	1	0	2	1	0	0	0	0	0	0	0
7	Fielies ,S (Shane)	2	1120.7	1120.7	2	1105.2	1120.7	0	0	0	0	0	0
8	Boshoff ,C (Carla)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Boshoff ,C (Carla)	2	1223.9	798.9	2	1228.4	798.9	0	0	0	0	0	0
9	Stander ,J (Jack)	2	0	-425	1	0	-425	1	0	-425	0	0	0
9	Stander ,J (Jack)	2	1377.8	952.8	1	1274.1	952.8	1	1200	952.8	0	0	0
10	Langenhoven ,E (Emma)	1	1	425	1	1	425	0	0	0	0	0	0
10	Langenhoven ,E (Emma)	1	1200	1625	1	1200	1625	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

Willemse, J (Jesrial)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms