Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Plessis, MA (Matthys Armand)

Chess SA id

1090130181

FIDE id

Date of birth

2009-09-17 (U18)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

2025-02-08

Junior GPX Games

39.4

Junior GPX Points

1115

Item	Main	Standard	Rapid	Blitz
Rating	1292.2	1255.8	1207.7	1200
Raw rating	1267.4	1233.8	1207	1200
Weighted rating	1292.2	1255.8	1207.7	1200
Weighted performance	1169.3	1176.9	1054.8	0
Floor	823.2	794.6	712.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	150.6	158	164.2	165.8
Highest rating	1349.5 2024-07-01	1294.6 2025-04-01	1212.4 2024-03-01	1200 2018-10-01
Highest raw rating	1323.2 2024-08-01	1294.6 2025-04-01	1212.4 2024-03-01	1200 2024-02-01
Highest weighted rating	1323.2 2025-04-01	1256.3 2025-09-01	1212.4 2025-04-01	1200 2018-10-01
Highest weighted performance	1349.5 2024-07-01	1277.3 2024-07-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.7	-0.7	0.2	0
New rating	1291.6	1255.1	1207.9	1200
Analysis
Rating	1292.2	1255.8	1207.7	1200
Raw rating	1267.4	1233.8	1207	1200
Weighted rating	1292.2	1255.8	1207.7
Weighted performance	1169.3	1176.9	1054.8
K-factor	36	36	36	36
Floor	823.2	794.6	712.4	700
Max/Min rating change allowed	150.6	158	164.2	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	1267.4	1233.8	1207	1200
New weighted rating	1291.6	1255.1	1207.9	1200
New weighted performance	1168.9	1176.4	1054.4	0
Temp new rating	1291.6	1255.1	1207.9	1200
Temp new rating +/-	-0.7	-0.7	0.2	0
Final new rating +/-	-0.7	-0.7	0.2	0
New rating	1291.6	1255.1	1207.9	1200
New K-factor	36	36	36	36
New floor	823.2	794.6	712.4	700

Item	Main	Standard	Rapid
	0	0	0
	46	22	24
	38	26	12
	26	5	21
	17	11	6
	0	0	0
History	137	69	68

Games since
	Main 84	Standard 48		Rapid 36		Blitz 0
Gender	Male
Age group	U18
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3267		1065		88
Male	2566		780		59
U18	508		152		11
U18 Male	417		115		7
Standard
	RSA		Province		Region
Overall	3463		982		64
Male	2668		687		44
U18	554		144		8
U18 Male	459		108		6
Rapid
	RSA		Province		Region
Overall	1588		805		117
Male	1231		601		75
U18	189		91		12
U18 Male	164		75		7
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	46	18.5	40.22	-83.2	1291.1	1207.9
Standard	22	9.5	43.18	-58	1310.6	1252.7
Rapid	24	9	37.5	-106.2	1273.1	1166.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	137	61.5	44.89	-43.4	1259	1215.6
Standard	69	33	47.83	-18.5	1274.8	1256.3
Rapid	68	28.5	41.91	-68.8	1242.9	1174.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1267.4	1233.8	1207	1200
2025-09-01	1303.3	1276.3	1207	1200
2025-08-01	1289.8	1254.7	1207	1200
2025-07-01	1287.8	1254.7	1206.5	1200
2025-06-01	1285.6	1254.7	1205.8	1200
2025-05-01	1281.4	1254.7	1202.5	1200
2025-04-01	1319.3	1294.6	1205.1	1200
2025-03-01	1300.8	1268.9	1204	1200
2025-02-01	1323.2	1268.9	1212.4	1200
2025-01-01	1323.2	1268.9	1212.4	1200
2024-12-01	1323.2	1268.9	1212.4	1200
2024-11-01	1323.2	1268.9	1212.4	1200
2024-10-01	1323.2	1268.9	1212.4	1200
2024-09-01	1323.2	1268.9	1212.4	1200
2024-08-01	1323.2	1268.9	1212.4	1200
2024-07-01	1246.9	1223.5	1212.4	1200
2024-06-01	1246.9	1223.5	1212.4	1200
2024-08-01	1246.9	1223.5	1212.4	1200
2024-04-01	1246.9	1223.5	1212.4	1200
2024-03-01	1212.5	1188.6	1212.4	1200
2024-02-01	1205.2	1188.6	1179.6	1200
2024-01-01	1205.2	1188.6	1179.6	1200
2023-12-01	1205.2	1188.6	1179.6	1200
2023-11-01	1205.2	1188.6	1179.6	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	Western Cape Schools - Top Schools 2025 (U17)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	2	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U17 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	1.5	Yes	Analysis
4	Hermanus Chess Club Open 2025 (Intermediate)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	1.5	Yes	Analysis
5	Overberg Schools - HS Closed 2025 (U17 Boys)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
6	Overberg Schools - HS Trials 2025 (U17 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis
7	Curro Hermanus Summer Open 2025 (U17+U19)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
8	Overberg Schools & Federation Open 2025 (Open)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U17)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	2	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U17 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	1.5	Yes	Analysis
4	Hermanus Chess Club Open 2025 (Intermediate)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	1.5	Yes	Analysis
5	Overberg Schools - HS Closed 2025 (U17 Boys)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
6	Overberg Schools - HS Trials 2025 (U17 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis
7	Curro Hermanus Summer Open 2025 (U17+U19)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
8	Overberg Schools & Federation Open 2025 (Open)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	5	1	Yes	Analysis
9	Paarl Boys' High Chess Festival 2024 (C)	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
10	Western Cape Top Schools Championship 2024 (U15 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	3	Yes	Analysis
11	Overberg Schools - Top Schools 2024 (U15 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	3	3	Yes	Analysis
12	Hermanus Chess Club Open 2024 (Intermediate)	2024-04-20	2024-04-20	Rapid	Overberg (WOS)	7	7	1.5	Yes	Analysis
13	Western Cape HS Individuals Championship 2024 (U15 Boys)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	2	Yes	Analysis
14	Overberg High Schools Trails 2024 (U15 Boys)	2024-03-02	2024-03-02	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
15	Overberg High Schools Trails 2024 (U15)	2024-02-24	2024-02-24	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
16	Zwelihle Chess Club Rapid 2023 (C)	2023-06-17	2023-06-17	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
17	Hermanus Rapid 2023 (B)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	5	0	Yes	Analysis
18	Overberg High School Closed 2023 (U15 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
19	Overberg High Schools Trails 2023 (U15)	2023-02-24	2023-02-24	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
20	Overberg Schools Open Tournament 2023 (U14)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
21	The Hermanus Open 2022 (U14)	2022-05-14	2022-05-14	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
22	Western Cape Schools 2022 (U13 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
23	Overberg Primary Schools Closed 2022 (U13 Boys)	2022-03-12	2022-03-12	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
24	Overberg Closed 2020 (U11 Boys)	2020-03-15	2020-03-15	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
25	OCF Open 2020 (U12)	2020-01-25	2020-01-25	Rapid	Overberg (WOS)	5	5	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-08	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Bhekani, O (Onako)				Opponent De Kock, S (Sebastian)
2	4	Tournament The Hermanus Open 2022				Tournament The Hermanus Open 2022
		date 2022-05-14	rnd 3	type Rapid	result 1	date 2022-05-14	rnd 6	type Rapid	result 1
		Opponent Julies, J (Joel)				Opponent Swart, A (Arnold)
3	4	Tournament Overberg Primary Schools Closed 2022				Tournament Overberg Primary Schools Closed 2022
		date 2022-03-12	rnd 1	type Standard	result 1	date 2022-03-12	rnd 4	type Standard	result 1
		Opponent Vogel, Z (Zander)				Opponent Brits, U (Udo)

#	Games	Start				End
1	4	Tournament Overberg Primary Schools Closed 2022				Tournament Overberg Primary Schools Closed 2022
		date 2022-03-12	rnd 1	type Standard	result 1	date 2022-03-12	rnd 4	type Standard	result 1
		Opponent Vogel, Z (Zander)				Opponent Brits, U (Udo)
2	3	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 2	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Webb, Z (Zion)				Opponent Ribeiro, A (Alice)
3	2	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Davids, W (Wayden)				Opponent Maans, W (Waylen)

#	Games	Start				End
1	4	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-08	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Bhekani, O (Onako)				Opponent De Kock, S (Sebastian)
2	4	Tournament The Hermanus Open 2022				Tournament The Hermanus Open 2022
		date 2022-05-14	rnd 3	type Rapid	result 1	date 2022-05-14	rnd 6	type Rapid	result 1
		Opponent Julies, J (Joel)				Opponent Swart, A (Arnold)
3	3	Tournament Zwelihle Chess Club Rapid 2023				Tournament Overberg High Schools Trails 2024
		date 2023-06-17	rnd 5	type Rapid	result 1	date 2024-02-24	rnd 1	type Rapid	result 1
		Opponent Rubusana, L (Lolothando)				Opponent Van Schoor, J (Jade)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-08	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Bhekani, O (Onako)				Opponent De Kock, S (Sebastian)
2	4	Tournament The Hermanus Open 2022				Tournament The Hermanus Open 2022
		date 2022-05-14	rnd 3	type Rapid	result 1	date 2022-05-14	rnd 6	type Rapid	result 1
		Opponent Julies, J (Joel)				Opponent Swart, A (Arnold)
3	3	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 2	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Webb, Z (Zion)				Opponent Ribeiro, A (Alice)

#	Games	Start				End
1	3	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 2	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Webb, Z (Zion)				Opponent Ribeiro, A (Alice)
2	2	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Davids, W (Wayden)				Opponent Maans, W (Waylen)
3	2	Tournament Overberg Schools - HS Closed 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-03-22	rnd 3	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Skippers, C (Clyde)				Opponent Nel, D (Daniel)

#	Games	Start				End
1	4	Tournament Curro Hermanus Summer Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-08	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Bhekani, O (Onako)				Opponent De Kock, S (Sebastian)
2	4	Tournament The Hermanus Open 2022				Tournament The Hermanus Open 2022
		date 2022-05-14	rnd 3	type Rapid	result 1	date 2022-05-14	rnd 6	type Rapid	result 1
		Opponent Julies, J (Joel)				Opponent Swart, A (Arnold)
3	3	Tournament Zwelihle Chess Club Rapid 2023				Tournament Overberg High Schools Trails 2024
		date 2023-06-17	rnd 5	type Rapid	result 1	date 2024-02-24	rnd 1	type Rapid	result 1
		Opponent Rubusana, L (Lolothando)				Opponent Van Schoor, J (Jade)

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	Matinywa ,T (Thobani)	5	2	-85	2	2	425	3	0	-425	0	0	0
1	Matinywa ,T (Thobani)	5	1233.7	1148.7	2	1166.2	1658.7	3	1283.3	808.7	0	0	0
2	Muller ,C (Christiaan)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
2	Muller ,C (Christiaan)	3	1439	1297.3	2	1417.2	1439	1	1225.7	1014	0	0	0
3	Hansen ,J (Javen)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Hansen ,J (Javen)	2	1480.6	1055.6	2	1456.7	1055.6	0	0	0	0	0	0
4	Arendse ,Q (Quinwinne)	2	1	0	2	1	0	0	0	0	0	0	0
4	Arendse ,Q (Quinwinne)	2	1349.4	1349.4	2	1333.1	1349.4	0	0	0	0	0	0
5	Lotter ,M (Michael)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Lotter ,M (Michael)	2	1315.6	890.6	2	1293.9	890.6	0	0	0	0	0	0
6	Ellappa ,J (Judah)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Ellappa ,J (Judah)	2	1430.4	1005.4	2	1373.6	1005.4	0	0	0	0	0	0
7	De Kock ,S (Sebastian)	2	2	425	1	1	425	1	1	425	0	0	0
7	De Kock ,S (Sebastian)	2	1169.5	1594.5	1	1133.2	1594.5	1	1190.5	1594.5	0	0	0
8	Loubser ,L (Louis)	2	0	-425	1	0	-425	1	0	-425	0	0	0
8	Loubser ,L (Louis)	2	1195.4	770.4	1	1200	770.4	1	1261.1	770.4	0	0	0
9	Amerika ,E (Elanzo)	2	2	425	1	1	425	1	1	425	0	0	0
9	Amerika ,E (Elanzo)	2	1182.3	1607.3	1	1169	1607.3	1	1200	1607.3	0	0	0
10	Swart ,A (Arnold)	2	1	0	1	0	-425	1	1	425	0	0	0
10	Swart ,A (Arnold)	2	1282.1	1282.1	1	1244	857.1	1	1241.7	1707.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Du Plessis, MA (Matthys Armand)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms