Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Plessis, J (Jan-Dawid)

Chess SA id

1110130188

FIDE id

Date of birth

2011-10-20 (U16)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1372.2	1386.8	1318.2	1200
Raw rating	1372.2	1386.8	1318.2	1200
Weighted rating	1368.6	1372.3	1315.5	1200
Weighted performance	1219.5	1160.7	1178.4	0
Floor	885.2	886.8	855.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	129.7	127.1	140.1	165.8
Highest rating	1401 2024-07-01	1402.2 2024-07-01	1355.8 2024-02-01	1200 2018-10-01
Highest raw rating	1385.2 2025-03-01	1386.8 2024-08-01	1355.8 2024-02-01	1200 2024-02-01
Highest weighted rating	1361.9 2025-08-01	1358.3 2025-08-01	1355.8 2024-04-01	1200 2018-10-01
Highest weighted performance	1401 2024-07-01	1402.2 2024-07-01	1350.5 2023-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1372.2	1386.8	1318.2	1200
Analysis
Rating	1372.2	1386.8	1318.2	1200
Raw rating	1372.2	1386.8	1318.2	1200
Weighted rating	1368.6	1372.3	1315.5
Weighted performance	1219.5	1160.7	1178.4
K-factor	36	36	36	36
Floor	885.2	886.8	855.8	700
Max/Min rating change allowed	129.7	127.1	140.1	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	1372.2	1386.8	1318.2	1200
New weighted rating	1370.2	1375.9	1315.4	1200
New weighted performance	1211.6	1152.3	1170.8	0
Temp new rating	1372.2	1386.8	1318.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1372.2	1386.8	1318.2	1200
New K-factor	36	36	36	36
New floor	885.2	886.8	855.8	700

Item	Main	Standard	Rapid
	0	0	0
	19	0	19
	31	16	15
	26	10	16
	22	16	6
	5	0	5
History	113	47	66

Games since
	Main 50	Standard 16		Rapid 34		Blitz 0
Gender	Male
Age group	U16
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2478		777		47
Male	2001		603		32
U16	392		132		11
U16 Male	295		94		7
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	955		483		54
Male	782		392		39
U16	145		75		9
U16 Male	113		60		7
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	19	11	57.89	67.1	1288.9	1356
Standard	0	0	0	0	0	0
Rapid	19	11	57.89	67.1	1288.9	1356
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	113	66	58.41	71.5	1275	1346.5
Standard	47	26.5	56.38	54.3	1288	1342.3
Rapid	66	39.5	59.85	83.7	1265.7	1349.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1372.2	1386.8	1318.2	1200
2025-09-30	1372.2	1386.8	1318.2	1200
2025-09-01	1372.2	1386.8	1318.2	1200
2025-08-01	1372.2	1386.8	1318.2	1200
2025-07-01	1372.2	1386.8	1318.2	1200
2025-06-01	1372.2	1386.8	1318.2	1200
2025-05-01	1372.2	1386.8	1318.2	1200
2025-04-01	1385.2	1386.8	1342.4	1200
2025-03-01	1385.2	1386.8	1342.4	1200
2025-02-01	1382.9	1386.8	1315.4	1200
2025-01-01	1382.9	1386.8	1295.3	1200
2024-12-01	1382.9	1386.8	1295.3	1200
2024-11-01	1382.9	1386.8	1295.3	1200
2024-10-01	1382.9	1386.8	1295.3	1200
2024-09-01	1382.9	1386.8	1295.3	1200
2024-08-01	1382.9	1386.8	1295.3	1200
2024-07-01	1313.9	1286.6	1295.3	1200
2024-09-01	1313.9	1286.6	1295.3	1200
2024-05-01	1302.5	1274.7	1295.3	1200
2024-04-01	1321.8	1274.7	1339.6	1200
2024-03-01	1284.2	1225	1355.8	1200
2024-02-01	1284.2	1225	1355.8	1200
2024-01-01	1284.2	1225	1355.8	1200
2023-12-01	1284.2	1225	1355.8	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	Hermanus Chess Club Open 2025 (Intermediate)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	3	Yes	Analysis
2	Overberg Schools - HS Trials 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
3	Curro Hermanus Summer Open 2025 (U15)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Hermanus Chess Club Open 2025 (Intermediate)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	3	Yes	Analysis
2	Overberg Schools - HS Trials 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
3	Curro Hermanus Summer Open 2025 (U15)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
4	Overberg Schools - Top Schools 2024 (U13 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	5	5	Yes	Analysis
5	Western Cape PS Individuals Championship 2024 (U13 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
6	Curro Hermanus Freedom Day Rapid 2024 (U15)	2024-04-27	2024-04-27	Rapid	Overberg (WOS)	5	4	2	Yes	Analysis
7	Hermanus Chess Club Open 2024 (Intermediate)	2024-04-20	2024-04-20	Rapid	Overberg (WOS)	7	7	3	Yes	Analysis
8	Overberg Schools - PS Closed 2024 (U13 Boys)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
9	Overberg Schools - PS Trials Region 3 2024 (U13 Boys)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	4	2	Yes	Analysis
10	Overberg Top Schools 2023 (U13)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	1	Yes	Analysis
11	Zwelihle Chess Club Rapid 2023 (C)	2023-06-17	2023-06-17	Rapid	Overberg (WOS)	6	6	4.5	Yes	Analysis
12	Overberg School Chess Closed Tournament 2023 (U13 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
13	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	5	4	Yes	Analysis
14	Overberg Schools Open Tournament 2023 (U12)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
15	Western Cape Top Schools 2022 (U11 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
16	The Hermanus Open 2022 (U12)	2022-05-14	2022-05-14	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
17	Western Cape Schools 2022 (U11 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
18	Overberg Primary Schools Closed 2022 (U11 Boys)	2022-03-12	2022-03-12	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
19	Overberg Schools Trials 2021 (U11)	2021-09-18	2021-09-18	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
20	Overberg Closed 2020 (U9 Boys)	2020-03-15	2020-03-15	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
21	OCF Open 2020 (U8+U10)	2020-01-25	2020-01-25	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Western Cape PS Individuals Championship 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-05-05	rnd 6	type Standard	result 0.5	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Wehr, C (Corbin)				Opponent Olivier, D (Dian)
2	6	Tournament The Hermanus Open 2022				Tournament Western Cape Schools 2022
		date 2022-05-14	rnd 2	type Rapid	result 1	date 2022-05-28	rnd 1	type Standard	result 1
		Opponent Sigoba, I (Iminathi)				Opponent Minnie, W (Wiaan)
3	5	Tournament Overberg School Chess Closed Tournament 2023				Tournament Zwelihle Chess Club Rapid 2023
		date 2023-03-25	rnd 5	type Standard	result 0.5	date 2023-06-17	rnd 4	type Rapid	result 1
		Opponent Olivier, F (Francois)				Opponent Du Plessis, M (Matthys Armand)

#	Games	Start				End
1	6	Tournament Western Cape PS Individuals Championship 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-05-05	rnd 6	type Standard	result 0.5	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Wehr, C (Corbin)				Opponent Olivier, D (Dian)
2	5	Tournament Overberg Primary Schools Closed 2022				Tournament Western Cape Schools 2022
		date 2022-03-12	rnd 2	type Standard	result 1	date 2022-05-28	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, D (Dante)				Opponent Minnie, W (Wiaan)
3	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 2	type Standard	result 0.5	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Coleman, A (Anthony)				Opponent Venter, G (Gj)

#	Games	Start				End
1	6	Tournament Overberg Primary School Trials				Tournament Zwelihle Chess Club Rapid 2023
		date 2023-03-10	rnd 5	type Rapid	result 1	date 2023-06-17	rnd 4	type Rapid	result 1
		Opponent Fourie, E (Ewie)				Opponent Du Plessis, M (Matthys Armand)
2	6	Tournament The Hermanus Open 2022				Tournament Overberg Schools Open Tournament 2023
		date 2022-05-14	rnd 2	type Rapid	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Sigoba, I (Iminathi)				Opponent Ess, N (Noah)
3	4	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-08	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Harris, K (Kingston Ray)				Opponent Cloete, K (Keanu)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament The Hermanus Open 2022				Tournament Western Cape Schools 2022
		date 2022-05-14	rnd 2	type Rapid	result 1	date 2022-05-28	rnd 1	type Standard	result 1
		Opponent Sigoba, I (Iminathi)				Opponent Minnie, W (Wiaan)
2	5	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Erasmus, A (Ashton)				Opponent Olivier, D (Dian)
3	4	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-08	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Harris, K (Kingston Ray)				Opponent Cloete, K (Keanu)

#	Games	Start				End
1	5	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Erasmus, A (Ashton)				Opponent Olivier, D (Dian)
2	3	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 2	type Standard	result 1	date 2022-09-17	rnd 4	type Standard	result 1
		Opponent Lukas, J (Janeva)				Opponent Morrison, L (Liam)
3	2	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 4	type Standard	result 1	date 2024-03-16	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, L (Luan Rudolf Johanne)				Opponent Williams, C (Cruden)

#	Games	Start				End
1	6	Tournament The Hermanus Open 2022				Tournament Overberg Schools Open Tournament 2023
		date 2022-05-14	rnd 2	type Rapid	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Sigoba, I (Iminathi)				Opponent Ess, N (Noah)
2	4	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-08	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Harris, K (Kingston Ray)				Opponent Cloete, K (Keanu)
3	3	Tournament Zwelihle Chess Club Rapid 2023				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2023-06-17	rnd 6	type Rapid	result 1	date 2024-03-02	rnd 3	type Rapid	result 1
		Opponent Mazala, A (Asakhe)				Opponent Olivier, F (Francois)

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	Scholtz ,F (Francois)	3	2	141.7	2	1	0	1	1	425	0	0	0
1	Scholtz ,F (Francois)	3	1199.3	1340.9	2	1165.1	1199.3	1	1237.6	1624.3	0	0	0
2	Spires ,E (Elijah)	3	2.5	283.3	1	0.5	0	2	2	425	0	0	0
2	Spires ,E (Elijah)	3	1137.2	1420.5	1	1105.6	1137.2	2	1205.4	1562.2	0	0	0
3	Opperman ,C (Connor)	3	0	-425	1	0	-425	2	0	-425	0	0	0
3	Opperman ,C (Connor)	3	1591.4	1166.4	1	1646.4	1166.4	2	1388.2	1166.4	0	0	0
4	Prinsloo ,L (Lyle)	3	0	-425	1	0	-425	2	0	-425	0	0	0
4	Prinsloo ,L (Lyle)	3	1478.6	1053.6	1	1456.9	1053.6	2	1422.7	1053.6	0	0	0
5	Bester ,B (Benjamin)	2	1	0	2	1	0	0	0	0	0	0	0
5	Bester ,B (Benjamin)	2	1205.2	1205.2	2	1192.8	1205.2	0	0	0	0	0	0
6	Foye ,L (Logan)	2	1	0	2	1	0	0	0	0	0	0	0
6	Foye ,L (Logan)	2	1313.9	1313.9	2	1275.2	1313.9	0	0	0	0	0	0
7	Botha ,A (Anthonie)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Botha ,A (Anthonie)	2	1246.9	821.9	2	1219.3	821.9	0	0	0	0	0	0
8	Adendorff ,C (Caradene)	2	2	425	2	2	425	0	0	0	0	0	0
8	Adendorff ,C (Caradene)	2	1206.8	1631.8	2	1182.4	1631.8	0	0	0	0	0	0
9	Prinsloo ,J (Jaco)	2	2	425	1	1	425	1	1	425	0	0	0
9	Prinsloo ,J (Jaco)	2	1282.7	1707.7	1	1305	1707.7	1	1184.4	1707.7	0	0	0
10	Swart ,E (Eon)	2	2	425	1	1	425	1	1	425	0	0	0
10	Swart ,E (Eon)	2	1181.6	1606.6	1	1200	1606.6	1	1241	1606.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Du Plessis, J (Jan-Dawid)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms