Chess South Africa Ratings Database

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Personal

De Wet, M (Malcolm)

Chess SA id

107078353

FIDE id

Date of birth

2007-09-23 (U20)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

18.7

Junior GPX Points

1335.6

Item	Main	Standard	Rapid	Blitz
Rating	1364	1370.7	1253.5	500
Raw rating	1364	1370.7	1253.5	500
Weighted rating	1333.1	1344.8	1236	500
Weighted performance	1312.7	1246.8	1110.1	0
Floor	864	884.7	804.6	500
K-factor	36	36	36	40
Min/Max rating change allowed	131.3	130	153.6	449.5
Highest rating	1364 2025-09-01	1384.7 2024-02-01	1304.6 2022-06-01	1200 2024-02-01
Highest raw rating	1364 2025-09-01	1384.7 2024-02-01	1304.6 2022-06-01	500 2024-02-01
Highest weighted rating	1358.7 2023-12-01	1384.7 2024-09-01	1304.6 2023-04-01	500 2024-11-01
Highest weighted performance	1360.4 2022-10-01	1363.9 2023-10-01	1281.4 2022-09-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1364	1370.7	1253.5	500
Analysis
Rating	1364	1370.7	1253.5	500
Raw rating	1364	1370.7	1253.5	500
Weighted rating	1333.1	1344.8	1236
Weighted performance	1312.7	1246.8	1110.1
K-factor	36	36	36	40
Floor	864	884.7	804.6	500
Max/Min rating change allowed	131.3	130	153.6	449.5
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	1364	1370.7	1253.5	500
New weighted rating	1336.1	1346.6	1238	500
New weighted performance	1311.3	1245.5	1108.8	0
Temp new rating	1364	1370.7	1253.5	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1364	1370.7	1253.5	500
New K-factor	36	36	36	40
New floor	864	884.7	804.6	500

Item	Main	Standard	Rapid
	0	0	0
	21	16	5
	33	21	12
	42	20	22
	47	27	20
	0	0	0
History	267	150	117

Games since
	Main 76	Standard 48		Rapid 28		Blitz 0
Gender	Male
Age group	U20
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2521		794		120
Male	2051		604		87
U20	206		75		16
U20 Male	168		64		14
Standard
	RSA		Province		Region
Overall	2366		660		97
Male	1921		497		71
U20	200		67		14
U20 Male	154		55		12
Rapid
	RSA		Province		Region
Overall	1322		672		122
Male	1060		521		88
U20	89		47		6
U20 Male	77		43		6
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	21	12	57.14	60.7	1358.1	1418.8
Standard	16	9	56.25	53.1	1369.9	1423
Rapid	5	3	60	85	1320.2	1405.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	240	140.5	58.54	72.6	1208.7	1281.3
Standard	129	74	57.36	62.6	1224.2	1286.8
Rapid	111	66.5	59.91	84.2	1190.7	1274.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1364	1370.7	1253.5	500
2025-09-01	1364	1370.7	1253.5	500
2025-08-01	1358.7	1370.7	1236.2	500
2025-07-01	1358.7	1370.7	1236.2	500
2025-06-01	1358.7	1370.7	1236.2	500
2025-05-01	1358.7	1370.7	1236.2	500
2025-04-01	1340.6	1351.4	1236.2	500
2025-03-01	1324.5	1338.3	1236.2	500
2025-02-01	1311.3	1327	1236.2	500
2025-01-01	1280.8	1266.3	1236.2	500
2024-12-01	1280.8	1266.3	1236.2	500
2024-11-01	1280.8	1266.3	1236.2	500
2024-10-01	1280.8	1266.3	1236.2	500
2024-09-01	1344.1	1353.4	1228.3	500
2024-08-01	1354.3	1380.4	1228.3	500
2024-07-01	1313.7	1349.1	1228.3	500
2024-06-01	1313.7	1349.1	1228.3	500
2024-08-01	1313.7	1349.1	1228.3	500
2024-04-01	1313.7	1349.1	1228.3	500
2024-03-01	1330.4	1384.7	1228.3	500
2024-02-01	1323	1384.7	1193.7	500
2024-01-01	1323	1384.7	1193.7	500
2023-12-01	1323	1384.7	1193.7	500
2023-11-01	1323	1384.7	1193.7	500

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	Cape Winelands Top Schools 2025 (U17+U19)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U19 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
3	Cape Winelands Schools Prestige 2025 (U19 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
4	Cape Winelands Schools - Trials 1 2025 (U19 Boys)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Top Schools 2025 (U17+U19)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U19 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
3	Cape Winelands Schools Prestige 2025 (U19 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
4	Cape Winelands Schools - Trials 1 2025 (U19 Boys)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Kleinmond Chess Club Open 2024 (Advanced)	2024-09-07	2024-09-07	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
6	Western Cape Top Schools Championship 2024 (U18 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	1.5	Yes	Analysis
7	De Villiers PS Tournament 2024 (Open)	2024-08-17	2024-08-17	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
8	Cape Winelands - Top Schools 2024 (U18 Mixed)	2024-07-27	2024-07-27	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
9	Cape Winelands Schools - Prestige 2024 (U18 Boys)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
10	Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
11	Ashton Skaakmat Rapid 2023 (U15+Open)	2023-11-18	2023-11-18	Rapid	Cape Winelands (WCW)	6	5	2	Yes	Analysis
12	Robertson Chess Tournament Oct 2023 (Open)	2023-10-28	2023-10-28	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
13	Paarl Boys High Chess Festival 2023 (Elite Division)	2023-10-13	2023-10-14	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
14	Bonnievale Open Rapid 2023 (Intermediate)	2023-10-21	2023-10-21	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis
15	Cape Town Junior Chess League Finals 2023 (U20A)	2023-09-16	2023-09-16	Rapid	Cape Town (WCT)	7	5	2	Yes	Analysis
16	Hermanus Rapid 2023 (B)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
17	Cape Winelands Schools Prestige 2023 (U17 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	4	2	Yes	Analysis
18	Cape Winelands Schools Chess - Trials 1 2023 (U17 Boys)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
19	Robertson Strategema Club 2022 (U17)	2022-10-29	2022-10-29	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
20	Western Cape Closed Championship 2022 (Open)	2022-09-24	2022-09-25	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
21	Langeberg Spring Open 2022 (A)	2022-09-03	2022-09-03	Rapid	Cape Winelands (WCW)	5	4	2	Yes	Analysis
22	Cape Winelands Schools Top Schools 2022 (U15 Mix)	2022-08-27	2022-08-27	Standard	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
23	Stellenberg Chess Championship 2022 (Young Masters)	2022-06-25	2022-06-25	Rapid	Cape Town (WCT)	6	6	3.5	Yes	Analysis
24	Western Cape Schools Chess 2022 (U15 Boys)	2022-05-07	2022-05-08	Standard	Eden (WEG)	6	6	2.5	Yes	Analysis
25	Strategema Chess Festival 2022 (U18 Open)	2022-05-14	2022-05-14	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
26	Cape Winelands Schools 2022 (U15 Boys)	2022-03-05	2022-03-05	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
27	Worcester Schools Trials 2022 (U15 Boys)	2022-02-19	2022-02-19	Rapid	Cape Winelands (WCW)	5	5	4.5	Yes	Analysis
28	Robertson Chess 2020 (U13)	2020-03-07	2020-03-07	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
29	OCF Chess Tournament 2 2020 (U14)	2020-02-01	2020-02-01	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
30	Cape Winelands Schools Trials 1 2020 (U13 Boys)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
31	Robertson Strategema 2019 (U13)	2019-10-05	2019-10-05	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
32	Spring Open 2019 (U14)	2019-09-14	2019-09-14	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
33	Cape Winelands Schools - Top Schools 2019 (U13 Mix)	2019-07-27	2019-07-27	Rapid	Cape Winelands (WCW)	5	5	1	Yes	Analysis
34	Cape Winelands Open 2019 (B)	2019-04-27	2019-04-27	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
35	Cape Winelands Schools Closed 2019 (U13 Boys)	2019-03-16	2019-03-17	Standard	Cape Winelands (WCW)	7	7	3.5	Yes	Analysis
36	Welgemoed Chess Challenge 2019 (U14)	2019-02-23	2019-02-23	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
37	CW Schools Open 2019 (U13 Boys)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
38	Western Cape Kings & Queens 2018 (Boys)	2018-10-20	2018-10-20	Rapid	Cape Winelands (WCW)	5	4	2	Yes	Analysis
39	South African Open 2018 (C)	2018-07-11	2018-07-13	Standard	Mangaung (FMB)	6	6	3	Yes	Analysis
40	Stellenberg Youth Chess Champs 2018 (D)	2018-06-23	2018-06-23	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
41	Western Cape Schools Individuals 2018 (U11 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
42	Strategema Club 2018 (U12)	2018-03-10	2018-03-10	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
43	Cape Winelands Schools Trials 1 2018 (U11 Boys)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	6	Yes	Analysis
44	Cape Winelands Schools Prestige 2018 (U11 Boys)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	7	4	Yes	Analysis
45	North Boland Trials 2018 (U11 Boys)	2018-02-17	2018-02-17	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis

#	Games	Start				End
1	10	Tournament North Boland Trials 2018				Tournament Strategema Club 2018
		date 2018-02-17	rnd 5	type Rapid	result 1	date 2018-03-10	rnd 3	type Rapid	result 1
		Opponent Jansen, V (Verron)				Opponent Van Zyl, R (Rigter)
2	9	Tournament Robertson Chess 2020				Tournament Cape Winelands Schools 2022
		date 2020-03-07	rnd 5	type Rapid	result 1	date 2022-03-05	rnd 3	type Standard	result 1
		Opponent Jones, D (Devon)				Opponent Naude, J (Jan-Daniel)
3	5	Tournament CW Schools Open 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-02	rnd 3	type Rapid	result 1	date 2019-02-23	rnd 1	type Rapid	result 1
		Opponent Badenhorst, S (Stephan)				Opponent Van Der Walt, H (Helgard)

#	Games	Start				End
1	6	Tournament Cape Winelands Schools Top Schools 2022				Tournament Western Cape Closed Championship 2022
		date 2022-08-27	rnd 3	type Standard	result 1	date 2022-09-24	rnd 3	type Standard	result 0.5
		Opponent Jansen, L (Leeno)				Opponent Priestley, L (Logan)
2	5	Tournament Western Cape Schools Individuals 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-06-23	rnd 2	type Standard	result 1
		Opponent Heynse, A (Armando)				Opponent Roux, J (Jarrod)
3	4	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 0.5
		Opponent Titus, M (Mcwillen)				Opponent Kotze, J (Johann)

#	Games	Start				End
1	10	Tournament North Boland Trials 2018				Tournament Strategema Club 2018
		date 2018-02-17	rnd 5	type Rapid	result 1	date 2018-03-10	rnd 3	type Rapid	result 1
		Opponent Jansen, V (Verron)				Opponent Van Zyl, R (Rigter)
2	8	Tournament Robertson Chess 2020				Tournament Strategema Chess Festival 2022
		date 2020-03-07	rnd 5	type Rapid	result 1	date 2022-05-14	rnd 2	type Rapid	result 1
		Opponent Jones, D (Devon)				Opponent George, C (Cornelius)
3	5	Tournament CW Schools Open 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-02	rnd 3	type Rapid	result 1	date 2019-02-23	rnd 1	type Rapid	result 1
		Opponent Badenhorst, S (Stephan)				Opponent Van Der Walt, H (Helgard)

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament North Boland Trials 2018				Tournament Strategema Club 2018
		date 2018-02-17	rnd 5	type Rapid	result 1	date 2018-03-10	rnd 3	type Rapid	result 1
		Opponent Jansen, V (Verron)				Opponent Van Zyl, R (Rigter)
2	5	Tournament Western Cape Schools Individuals 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-06-23	rnd 2	type Standard	result 1
		Opponent Heynse, A (Armando)				Opponent Roux, J (Jarrod)
3	4	Tournament Hermanus Rapid 2023				Tournament Cape Town Junior Chess League Finals 2023
		date 2023-04-22	rnd 5	type Rapid	result 1	date 2023-09-16	rnd 2	type Rapid	result 1
		Opponent Brand, F (Francois)				Opponent Damane, H (Hlumelo)

#	Games	Start				End
1	5	Tournament Cape Winelands Schools Top Schools 2022				Tournament Western Cape Closed Championship 2022
		date 2022-08-27	rnd 3	type Standard	result 1	date 2022-09-24	rnd 2	type Standard	result 1
		Opponent Jansen, L (Leeno)				Opponent Weideman, J (Janko)
2	5	Tournament Western Cape Schools Individuals 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-06-23	rnd 2	type Standard	result 1
		Opponent Heynse, A (Armando)				Opponent Roux, J (Jarrod)
3	3	Tournament Cape Winelands - Top Schools 2024				Tournament Cape Winelands - Top Schools 2024
		date 2024-07-27	rnd 3	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Abrahams, Q (Qasim)				Opponent Saoud, J (Jassem)

#	Games	Start				End
1	10	Tournament North Boland Trials 2018				Tournament Strategema Club 2018
		date 2018-02-17	rnd 5	type Rapid	result 1	date 2018-03-10	rnd 3	type Rapid	result 1
		Opponent Jansen, V (Verron)				Opponent Van Zyl, R (Rigter)
2	4	Tournament Hermanus Rapid 2023				Tournament Cape Town Junior Chess League Finals 2023
		date 2023-04-22	rnd 5	type Rapid	result 1	date 2023-09-16	rnd 2	type Rapid	result 1
		Opponent Brand, F (Francois)				Opponent Damane, H (Hlumelo)
3	4	Tournament Robertson Chess 2020				Tournament Worcester Schools Trials 2022
		date 2020-03-07	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 3	type Rapid	result 1
		Opponent Jones, D (Devon)				Opponent Jansen, V (Verron)

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	Davids ,R (Rafael)	7	2	-182.1	4	0	-425	3	2	141.7	0	0	0
1	Davids ,R (Rafael)	7	1307.2	1125.1	4	1281.3	882.2	3	1259.8	1448.9	0	0	0
2	Van Zyl ,R (Rigter)	5	1	-255	1	0	-425	4	1	-212.5	0	0	0
2	Van Zyl ,R (Rigter)	5	1103	848	1	844.2	678	4	1141.3	890.5	0	0	0
3	De Vos ,ES (Eustace Steyn)	4	1	-212.5	3	1	-141.7	1	0	-425	0	0	0
3	De Vos ,ES (Eustace Steyn)	4	1253	1040.5	3	1103.1	1111.4	1	1307.1	828	0	0	0
4	Maree ,B (Brevin)	4	0	-425	2	0	-425	2	0	-425	0	0	0
4	Maree ,B (Brevin)	4	1289.1	864.1	2	1346.6	864.1	2	1246.6	864.1	0	0	0
5	Africa ,G (Gillmore)	3	0	-425	3	0	-425	0	0	0	0	0	0
5	Africa ,G (Gillmore)	3	1368.1	943.1	3	1333	943.1	0	0	0	0	0	0
6	Coetzee ,C (Conlinn)	3	2	141.7	2	1	0	1	1	425	0	0	0
6	Coetzee ,C (Conlinn)	3	1332.6	1474.3	2	1265.7	1332.6	1	1213.6	1757.6	0	0	0
7	Manuhwa ,P (Progress)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
7	Manuhwa ,P (Progress)	3	1214.7	1073	2	1215.8	789.7	1	1200	1639.7	0	0	0
8	Myoli ,O (Oscar)	3	3	425	2	2	425	1	1	425	0	0	0
8	Myoli ,O (Oscar)	3	1203.2	1628.2	2	1207.1	1628.2	1	1191.2	1628.2	0	0	0
9	Appels ,C (Charlton-John)	3	3	425	2	2	425	1	1	425	0	0	0
9	Appels ,C (Charlton-John)	3	1207.6	1632.6	2	1205	1632.6	1	1216.7	1632.6	0	0	0
10	Lielieveld ,F (Franco)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Lielieveld ,F (Franco)	2	1509.3	1084.3	2	1488	1084.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

De Wet, M (Malcolm)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms