Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Pisani, M (Malcolm)

Chess SA id

1160151828

FIDE id

Date of birth

2016-06-01 (U12)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-07

Personal details last changed

2025-02-03

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1639.6	1651.3	1240.3	1200
Raw rating	1639.6	1651.3	1229.8	1200
Weighted rating	1531.6	1534.4	1240.3	1200
Weighted performance	1609.4	1609	0	0
Floor	1143.5	1151.3	750.3	700
K-factor	28	28	36	36
Min/Max rating change allowed	88.6	87.2	158.9	165.8
Highest rating	1643.5 2025-07-01	1651.3 2026-01-01	1316.2 2024-03-01	1200 2018-10-01
Highest raw rating	1643.5 2025-07-01	1651.3 2026-01-01	1250.3 2024-11-01	1200 2024-03-01
Highest weighted rating	1531.6 2026-01-01	1534.4 2026-01-01	1240.6 2025-11-01	1200 2018-10-01
Highest weighted performance	1643.5 2025-07-01	1645.3 2024-07-01	1316.2 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-0.3	0
New rating	1639.6	1651.3	1240	1200
Analysis
Rating	1639.6	1651.3	1240.3	1200
Raw rating	1639.6	1651.3	1229.8	1200
Weighted rating	1531.6	1534.4	1240.3
Weighted performance	1609.4	1609	0
K-factor	28	28	36	36
Floor	1143.5	1151.3	750.3	700
Max/Min rating change allowed	88.6	87.2	158.9	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	1639.6	1651.3	1229.8	1200
New weighted rating	1545.4	1548.8	1240	1200
New weighted performance	1598.6	1598.1	0	0
Temp new rating	1639.6	1651.3	1240	1200
Temp new rating +/-	0	0	-0.3	0
Final new rating +/-	0	0	-0.3	0
New rating	1639.6	1651.3	1240	1200
New K-factor	28	28	36	36
New floor	1143.5	1151.3	750.3	700

Item	Main	Standard	Rapid
	0	0	0
	52	51	1
	87	72	15
	34	34	0
	0	0	0
	0	0	0
History	173	157	16

Games since
	Main 139	Standard 123		Rapid 16		Blitz 0
Gender	Male
Age group	U10
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	599		219		83
Male	545		198		70
U10	16		9		5
U10 Male	13		7		4
Standard
	RSA		Province		Region
Overall	524		201		73
Male	478		182		61
U10	13		8		5
U10 Male	10		6		4
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	52	35	67.31	147.1	1386.4	1533.5
Standard	51	35	68.63	158.3	1389.2	1547.5
Rapid	1	0	0	-425	1246.9	821.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	173	102.5	59.25	78.6	1299.1	1377.7
Standard	157	93.5	59.55	81.2	1301.2	1382.4
Rapid	16	9	56.25	53.1	1278.8	1331.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1639.6	1651.3	1229.8	1200
2025-11-30	1610.2	1621.3	1229.8	1200
2025-11-01	1610.2	1621.3	1229.8	1200
2025-09-30	1620.9	1621.3	1250.3	1200
2025-09-01	1635.3	1638.7	1250.3	1200
2025-08-01	1619.3	1620	1250.3	1200
2025-07-01	1643.5	1645.3	1250.3	1200
2025-06-01	1520.9	1521.9	1250.3	1200
2025-05-01	1419.7	1416.1	1250.3	1200
2025-04-01	1449.3	1449.2	1250.3	1200
2025-03-01	1449.3	1449.2	1250.3	1200
2025-02-01	1431.2	1427.2	1250.3	1200
2025-01-01	1431.2	1427.2	1250.3	1200
2024-12-01	1485.2	1478.4	1250.3	1200
2024-11-01	1485.2	1478.4	1250.3	1200
2024-10-01	1484.5	1478.4	1215.4	1200
2024-09-01	1514.2	1512.6	1215.4	1200
2024-11-01	1516.8	1513	1215.4	1200
2024-07-01	1300.9	1314.4	1215.4	1200
2024-06-01	1250.7	1260	1215.4	1200
2024-05-01	1301.2	1328.8	1215.4	1200
2024-04-01	1309	1328.8	1223	1200
2024-03-01	1238.1	1246.8	1200	1200
2024-02-01	1238.1	1246.8	1200	1200

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	Gauteng Inter-Region at Emerald Resort 2025 (U10 Championship)	2025-12-06	2025-12-07	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
2	Midrand Chess Club Rapid Chess Tournament 2025 (Development)	2025-10-10	2025-10-10	Rapid	Johannesburg Metro (GJM)	7	1	0	Yes	Analysis
3	GoForChess Junior Chess Championships 2025 (U10)	2025-09-14	2025-09-14	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	JMC Closed 2025 (U10)	2025-08-09	2025-08-09	Standard	Johannesburg Metro (GJM)	5	4	3	Yes	Analysis
5	South African Open 2025 (U10 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
6	Knight Riders Youth Day Open 2025 (U10)	2025-06-15	2025-06-15	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
7	JMC Helpmekaar 2025 (U10)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
8	Mzansi Africa Classic 2025 (Rising Stars)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	4	4	Yes	Analysis
9	Moja Chess Extravaganza 2025 (U10)	2025-04-26	2025-04-28	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
10	JMC Crawford Sandton 2025 (U10)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
11	South African Junior Closed Chess Championships 2025 (U10 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	3.5	Yes	Analysis
12	JMC Kick Off 2025 (U10)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
13	Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Combined)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	3	Yes	Analysis
14	Gauteng Inter-Region at UJ 2024 (U10 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
15	Mzansi Summer Rapid 2024 (U8+U10)	2024-10-26	2024-10-26	Rapid	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
16	Mzansi Spring Open 2024 (Newcomer)	2024-09-07	2024-09-07	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
17	JMC Closed 2024 (U10)	2024-08-09	2024-08-09	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
18	Chess Power House July Open 2024 (E)	2024-07-20	2024-07-20	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
19	JMC Trinityhouse Randpark Ridge 2024 (U10)	2024-07-13	2024-07-13	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
20	Chess Power House June Open 2024 (D)	2024-06-23	2024-06-23	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
21	JMC Crawford International Sandton 2024 (U10)	2024-05-11	2024-05-11	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
22	JMC Helpmekaar Kollege Tournament 2024 (U10)	2024-05-04	2024-05-04	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
23	JCC King David Linksfield Rapid 2024 (D)	2024-04-21	2024-04-21	Rapid	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
24	CPH St Andrew's Rapid 2024 (D)	2024-03-30	2024-03-30	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
25	1st Knights Open Tournament 2024 (U10)	2024-03-23	2024-03-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
26	JNW Open - Classic - Crawford 2024 (U10)	2024-03-09	2024-03-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
27	JMC Unika School Tournament 2024 (U10)	2024-03-02	2024-03-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
28	2024 Gauteng Inter-Region Chess Championship (U8)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
29	JMC Kick Off Tournament 2024 (U10)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
30	JMC Closed Aug 2023 (U8)	2023-08-04	2023-08-06	Standard	Johannesburg Metro (GJM)	6	5	2	Yes	Analysis
31	2023 Menlo Open Tournament (F)	2023-07-22	2023-07-22	Standard	Tshwane (GTP)	5	0	0	No	Analysis
32	JMC Trinity Little Falls 2023 (U8)	2023-07-02	2023-07-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
33	JMC - The Higher Ground Restaurant 2nd Blitz Event 2023	2023-07-30	2023-07-30	Blitz	Johannesburg Metro (GJM)	7	0	0	No	Analysis
34	ThinkChess 3 June 2023	2023-06-03	2023-06-03	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
35	Knight Riders Youth Day 2023 (U8)	2023-06-16	2023-06-16	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
36	JNW Open - Trinityhouse Little Falls 2023 (U8)	2023-06-24	2023-06-24	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
37	JNW Open - Trinityhouse Little Falls 2023 (U8)	2023-05-13	2023-05-13	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
38	JNW Open - Crawford 2023 (U8)	2023-03-04	2023-03-04	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis

#	Games	Start				End
1	8	Tournament JMC Helpmekaar 2025				Tournament Knight Riders Youth Day Open 2025
		date 2025-06-01	rnd 3	type Standard	result 1	date 2025-06-15	rnd 5	type Standard	result 1
		Opponent Israel, Y (Yishai)				Opponent Lygin, D (Daniil)
2	7	Tournament JMC Trinityhouse Randpark Ridge 2024				Tournament JMC Closed 2024
		date 2024-07-13	rnd 5	type Standard	result 1	date 2024-08-09	rnd 1	type Standard	result 1
		Opponent Zhu, R (Ryan Yuancheng)				Opponent Samuel, K (Kenneth)
3	6	Tournament JMC Crawford Sandton 2025				Tournament JMC Helpmekaar 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-06-01	rnd 1	type Standard	result 1
		Opponent Lotlhare, O (Oreratile)				Opponent Farkas, L (Lavi)

#	Games	Start				End
1	8	Tournament JMC Helpmekaar 2025				Tournament Knight Riders Youth Day Open 2025
		date 2025-06-01	rnd 3	type Standard	result 1	date 2025-06-15	rnd 5	type Standard	result 1
		Opponent Israel, Y (Yishai)				Opponent Lygin, D (Daniil)
2	7	Tournament JMC Trinityhouse Randpark Ridge 2024				Tournament JMC Closed 2024
		date 2024-07-13	rnd 5	type Standard	result 1	date 2024-08-09	rnd 1	type Standard	result 1
		Opponent Zhu, R (Ryan Yuancheng)				Opponent Samuel, K (Kenneth)
3	6	Tournament JMC Crawford Sandton 2025				Tournament JMC Helpmekaar 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-06-01	rnd 1	type Standard	result 1
		Opponent Lotlhare, O (Oreratile)				Opponent Farkas, L (Lavi)

#	Games	Start				End
1	2	Tournament Mzansi Summer Rapid 2024				Tournament Mzansi Summer Rapid 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 2	type Rapid	result 1
		Opponent Zhang, Z (Ziyi)				Opponent Morgan, R (Raegan)
2	2	Tournament CPH St Andrew's Rapid 2024				Tournament CPH St Andrew's Rapid 2024
		date 2024-03-30	rnd 1	type Rapid	result 1	date 2024-03-30	rnd 2	type Rapid	result 1
		Opponent Mulholland, L (Luka)				Opponent Serrao, C (Charles)
3	1	Tournament Mzansi Summer Rapid 2024				Tournament Mzansi Summer Rapid 2024
		date 2024-10-26	rnd 6	type Rapid	result 1	date 2024-10-26	rnd 6	type Rapid	result 1
		Opponent Reddy, P (Pranav)				Opponent Reddy, P (Pranav)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament JMC Helpmekaar 2025				Tournament Knight Riders Youth Day Open 2025
		date 2025-06-01	rnd 3	type Standard	result 1	date 2025-06-15	rnd 5	type Standard	result 1
		Opponent Israel, Y (Yishai)				Opponent Lygin, D (Daniil)
2	7	Tournament JMC Trinityhouse Randpark Ridge 2024				Tournament JMC Closed 2024
		date 2024-07-13	rnd 5	type Standard	result 1	date 2024-08-09	rnd 1	type Standard	result 1
		Opponent Zhu, R (Ryan Yuancheng)				Opponent Samuel, K (Kenneth)
3	6	Tournament JMC Crawford Sandton 2025				Tournament JMC Helpmekaar 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-06-01	rnd 1	type Standard	result 1
		Opponent Lotlhare, O (Oreratile)				Opponent Farkas, L (Lavi)

#	Games	Start				End
1	8	Tournament JMC Helpmekaar 2025				Tournament Knight Riders Youth Day Open 2025
		date 2025-06-01	rnd 3	type Standard	result 1	date 2025-06-15	rnd 5	type Standard	result 1
		Opponent Israel, Y (Yishai)				Opponent Lygin, D (Daniil)
2	7	Tournament JMC Trinityhouse Randpark Ridge 2024				Tournament JMC Closed 2024
		date 2024-07-13	rnd 5	type Standard	result 1	date 2024-08-09	rnd 1	type Standard	result 1
		Opponent Zhu, R (Ryan Yuancheng)				Opponent Samuel, K (Kenneth)
3	6	Tournament JMC Crawford Sandton 2025				Tournament JMC Helpmekaar 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-06-01	rnd 1	type Standard	result 1
		Opponent Lotlhare, O (Oreratile)				Opponent Farkas, L (Lavi)

#	Games	Start				End
1	2	Tournament Mzansi Summer Rapid 2024				Tournament Mzansi Summer Rapid 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 2	type Rapid	result 1
		Opponent Zhang, Z (Ziyi)				Opponent Morgan, R (Raegan)
2	2	Tournament CPH St Andrew's Rapid 2024				Tournament CPH St Andrew's Rapid 2024
		date 2024-03-30	rnd 1	type Rapid	result 1	date 2024-03-30	rnd 2	type Rapid	result 1
		Opponent Mulholland, L (Luka)				Opponent Serrao, C (Charles)
3	1	Tournament Mzansi Summer Rapid 2024				Tournament Mzansi Summer Rapid 2024
		date 2024-10-26	rnd 6	type Rapid	result 1	date 2024-10-26	rnd 6	type Rapid	result 1
		Opponent Reddy, P (Pranav)				Opponent Reddy, P (Pranav)

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	Koorts ,L (Lukas)	7	2	-182.1	5	2	-85	2	0	-425	0	0	0
1	Koorts ,L (Lukas)	7	1481.1	1299	5	1471.9	1396.1	2	1325.1	1056.1	0	0	0
2	Lin ,Y (Yizheng)	5	4	255	5	4	255	0	0	0	0	0	0
2	Lin ,Y (Yizheng)	5	1502.7	1757.7	5	1499.9	1757.7	0	0	0	0	0	0
3	Taylor ,M (Matthew)	5	3	85	5	3	85	0	0	0	0	0	0
3	Taylor ,M (Matthew)	5	1272.7	1357.7	5	1289.1	1357.7	0	0	0	0	0	0
4	Steyn ,K (Kian)	4	0	-425	4	0	-425	0	0	0	0	0	0
4	Steyn ,K (Kian)	4	1430.3	1005.3	4	1445.7	1005.3	0	0	0	0	0	0
5	Orren ,JJ (Jade Junior)	4	2	0	2	1	0	2	1	0	0	0	0
5	Orren ,JJ (Jade Junior)	4	1243.7	1243.7	2	1270.9	1243.7	2	1185.1	1243.7	0	0	0
6	Gerber ,Z (Zoe)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
6	Gerber ,Z (Zoe)	3	1195.3	1336.9	3	1206.9	1336.9	0	0	0	0	0	0
7	Stelloh ,A (Alexander)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
7	Stelloh ,A (Alexander)	3	1343.3	1485	3	1355.8	1485	0	0	0	0	0	0
8	Loots ,A (Albert)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
8	Loots ,A (Albert)	3	1224.1	1365.8	3	1221.8	1365.8	0	0	0	0	0	0
9	Exarchos ,I (Isabella)	3	0	-425	3	0	-425	0	0	0	0	0	0
9	Exarchos ,I (Isabella)	3	1441.6	1016.6	3	1416.7	1016.6	0	0	0	0	0	0
10	Steyn ,K (Kahn)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
10	Steyn ,K (Kahn)	3	1266	1407.6	3	1263.2	1407.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Du Pisani, M (Malcolm)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms