Chess South Africa Ratings Database

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Personal

Mallach, M (Matthew)

Chess SA id

1100141972

FIDE id

Date of birth

2010-05-10 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-21

Personal details last changed

1900-01-01

Junior GPX Games

36.6

Junior GPX Points

1357

Item	Main	Standard	Rapid	Blitz
Rating	1571.4	1547.2	1476.7	1200
Raw rating	1571.4	1547.2	1476.7	1200
Weighted rating	1508.3	1499.8	1392.8	1200
Weighted performance	1519	1465.3	1459.3	0
Floor	1071.4	1061.3	976.7	700
K-factor	32	32	32	36
Min/Max rating change allowed	97.7	101.1	111.8	165.8
Highest rating	1571.4 2025-09-30	1561.3 2025-04-01	1476.7 2025-09-30	1200 2018-10-01
Highest raw rating	1571.4 2025-09-30	1561.3 2025-04-01	1476.7 2025-09-30	1200 2024-02-01
Highest weighted rating	1508.3 2025-09-30	1492.8 2025-09-01	1392.8 2025-09-30	1200 2018-10-01
Highest weighted performance	1563.2 2025-04-01	1561.3 2025-01-01	1459.3 2025-09-30	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1571.4	1547.2	1476.7	1200
Analysis
Rating	1571.4	1547.2	1476.7	1200
Raw rating	1571.4	1547.2	1476.7	1200
Weighted rating	1508.3	1499.8	1392.8
Weighted performance	1519	1465.3	1459.3
K-factor	32	32	32	36
Floor	1071.4	1061.3	976.7	700
Max/Min rating change allowed	97.7	101.1	111.8	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	1571.4	1547.2	1476.7	1200
New weighted rating	1515.6	1506.1	1401.3	1200
New weighted performance	1518.5	1464.8	1458.8	0
Temp new rating	1571.4	1547.2	1476.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1571.4	1547.2	1476.7	1200
New K-factor	32	32	32	36
New floor	1071.4	1061.3	976.7	700

Item	Main	Standard	Rapid
	0	0	0
	39	20	19
	64	45	19
	42	26	16
	43	33	10
	0	0	0
History	188	124	64

Games since
	Main 114	Standard 65		Rapid 49		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	791		293		107
Male	708		260		93
U16	90		32		13
U16 Male	76		26		11
Standard
	RSA		Province		Region
Overall	859		324		110
Male	756		284		94
U16	108		38		14
U16 Male	89		30		11
Rapid
	RSA		Province		Region
Overall	276		54		33
Male	254		48		30
U16	43		5		4
U16 Male	37		3		3
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	39	27.5	70.51	174.4	1381.5	1555.8
Standard	20	13.5	67.5	148.8	1410.7	1559.4
Rapid	19	14	73.68	201.3	1350.7	1552.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	188	124.5	66.22	137.9	1325.6	1463.5
Standard	124	80.5	64.92	126.8	1326.9	1453.7
Rapid	64	44	68.75	159.4	1323.1	1482.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1571.4	1547.2	1476.7	1200
2025-09-01	1567	1547.2	1461	1200
2025-08-01	1519.6	1529.5	1374.7	1200
2025-07-01	1519.6	1529.5	1372.4	1200
2025-06-01	1519.6	1529.5	1369	1200
2025-05-01	1563.2	1561.3	1393.8	1200
2025-04-01	1563.2	1561.3	1393.8	1200
2025-03-01	1514.2	1516.5	1393.8	1200
2025-02-01	1514.2	1516.5	1393.8	1200
2025-01-01	1514.2	1516.5	1393.8	1200
2024-12-01	1514.2	1516.5	1393.8	1200
2024-11-01	1435.6	1417.9	1393.8	1200
2024-10-01	1430.6	1409.6	1393.8	1200
2024-09-01	1460.1	1433.3	1393.8	1200
2024-08-01	1462.2	1428.2	1393.8	1200
2024-07-01	1462.2	1428.2	1393.8	1200
2024-06-01	1446.7	1428.2	1330.7	1200
2024-08-01	1422.8	1397.2	1330.7	1200
2024-04-01	1453.8	1420.9	1369.9	1200
2024-03-01	1440	1420.9	1314.6	1200
2024-02-01	1433.5	1420.9	1299.8	1200
2024-01-01	1405.1	1381.5	1299.8	1200
2023-12-01	1405.1	1381.5	1299.8	1200
2023-11-01	1389	1381.5	1262.4	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	Chess Power House Spring Rapid 2025 (B)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
2	Rock n Roll Rapid 2025 (Kings)	2025-08-24	2025-08-24	Rapid	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
3	JMC Closed 2025 (U16)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
4	JCC - SAHETI Chess League 2025	2025-05-12	2025-06-09	Rapid	Johannesburg Metro (GJM)	5	4	4	Yes	Analysis
5	Chess Power House Randburg Rapid 2025 (A)	2025-05-11	2025-05-11	Rapid	Johannesburg Metro (GJM)	6	5	1	Yes	Analysis
6	JMC Crawford Sandton 2025 (B)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
7	Chess Power House March Open 2025 (B)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
8	JMC Crawford Ruimsig 2025 (B)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess Power House Spring Rapid 2025 (B)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
2	Rock n Roll Rapid 2025 (Kings)	2025-08-24	2025-08-24	Rapid	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
3	JMC Closed 2025 (U16)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
4	JCC - SAHETI Chess League 2025	2025-05-12	2025-06-09	Rapid	Johannesburg Metro (GJM)	5	4	4	Yes	Analysis
5	Chess Power House Randburg Rapid 2025 (A)	2025-05-11	2025-05-11	Rapid	Johannesburg Metro (GJM)	6	5	1	Yes	Analysis
6	JMC Crawford Sandton 2025 (B)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
7	Chess Power House March Open 2025 (B)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
8	JMC Crawford Ruimsig 2025 (B)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
9	Midrand Chess Club - Individual Chess League 2024	2024-08-03	2024-11-09	Standard	Johannesburg Metro (GJM)	13	10	10	Yes	Analysis
10	CPH Boksburg Open 2024 (B)	2024-10-26	2024-10-26	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
11	Centurion Chess Open Tournament 2024 (B)	2024-09-21	2024-09-21	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
12	JCC Khelo India 1st Annual Chess Tournament 2024 (B)	2024-08-31	2024-08-31	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
13	JMC Closed 2024 (C)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
14	JCC SAHETI High Schools League Round Robin 2024	2024-05-20	2024-06-10	Rapid	Johannesburg Metro (GJM)	7	4	4	Yes	Analysis
15	JMC Crawford International Sandton 2024 (C)	2024-05-11	2024-05-11	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
16	JCC King David Linksfield Rapid 2024 (A)	2024-04-21	2024-04-21	Rapid	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
17	2024 KSNG CHess Academy Open Tournament (C)	2024-04-06	2024-04-06	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
18	CPH St Andrew's Rapid 2024 (A)	2024-03-30	2024-03-30	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
19	Chess Power House 1st Rapid 2024 (A)	2024-02-24	2024-02-24	Rapid	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
20	JMC Kick Off Tournament 2024 (C)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
21	Chess Power House Festive Rapid 2023 (Grade 3-7)	2023-12-15	2023-12-15	Rapid	Johannesburg Metro (GJM)	6	6	4.5	Yes	Analysis
22	CMR Chess Academy Summer Tournament 2023 (A)	2023-10-21	2023-10-21	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
23	JMC Closed Aug 2023 (U14)	2023-08-04	2023-08-06	Standard	Johannesburg Metro (GJM)	6	6	2.5	Yes	Analysis
24	Chess Power House 2023 (B)	2023-08-19	2023-08-19	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
25	JMC - The Higher Ground Restaurant 2nd Blitz Event 2023	2023-07-30	2023-07-30	Blitz	Johannesburg Metro (GJM)	7	0	0	No	Analysis
26	Chess Molecules 16 June Tournament 2023 (Grade 5-7)	2023-06-16	2023-06-16	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
27	JNW Open - Trinityhouse Little Falls 2023 (C)	2023-05-13	2023-05-13	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
28	Alberton Chess Club Tournament 1 2023 (C)	2023-04-15	2023-04-15	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
29	JMC 1 St Peters 2023 (C)	2023-03-18	2023-03-18	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
30	2022 South African Junior Wild Card Chess Championships (U14 Open)	2022-12-09	2022-12-12	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
31	2022 South African Junior Team Chess Championships (U14 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	6	5	Yes	Analysis
32	FNB Chessheroes Anity Bullying 2022 (U14)	2022-11-05	2022-11-05	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
33	JMC 3rd Trials 2022 (C)	2022-09-11	2022-09-11	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
34	Chess Molecules Championship 2022 (U13)	2022-09-17	2022-09-17	Rapid	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
35	UJ Fundraising Tournament 2022 (C)	2022-08-13	2022-08-13	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
36	JMC Trials 1 - Laerskool Fontainebleau 2022 (U14)	2022-07-24	2022-07-24	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
37	Chess Power House Rapid 2022 (B)	2022-06-11	2022-06-11	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	15	Tournament JCC King David Linksfield Rapid 2024				Tournament Midrand Chess Club - Individual Chess League 2024
		date 2024-04-21	rnd 2	type Rapid	result 0.5	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Gillman, E (Edmund)				Opponent Abboy, K (Kaylib)
2	15	Tournament CMR Chess Academy Summer Tournament 2023				Tournament Chess Power House 1st Rapid 2024
		date 2023-10-21	rnd 5	type Rapid	result 1	date 2024-02-24	rnd 3	type Rapid	result 1
		Opponent Hingorani, R (Ridhima)				Opponent Arokiam, E (Ethan)
3	8	Tournament Chess Power House Randburg Rapid 2025				Tournament JMC Closed 2025
		date 2025-05-11	rnd 5	type Rapid	result 0.5	date 2025-08-09	rnd 3	type Standard	result 0.5
		Opponent Stelloh, S (Sebastian)				Opponent Botha, CA (Cathri Amari)

#	Games	Start				End
1	9	Tournament 2024 KSNG CHess Academy Open Tournament				Tournament Midrand Chess Club - Individual Chess League 2024
		date 2024-04-06	rnd 4	type Standard	result 0.5	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Weng, D (Daniel)				Opponent Abboy, K (Kaylib)
2	8	Tournament JMC Closed 2024				Tournament JCC Khelo India 1st Annual Chess Tournament 2024
		date 2024-08-09	rnd 2	type Standard	result 1	date 2024-08-31	rnd 2	type Standard	result 1
		Opponent Rademeyer, F (Frederick Paul)				Opponent Rasebeshela, M (Mutshidzi)
3	7	Tournament Chess Power House 2023				Tournament 2024 KSNG CHess Academy Open Tournament
		date 2023-08-19	rnd 5	type Standard	result 1	date 2024-04-06	rnd 1	type Standard	result 1
		Opponent Israel, L (Leo)				Opponent Van Schoor, H (Herman)

#	Games	Start				End
1	10	Tournament Chess Power House Randburg Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-05-11	rnd 5	type Rapid	result 0.5	date 2025-08-24	rnd 5	type Rapid	result 1
		Opponent Stelloh, S (Sebastian)				Opponent Zheng, J (JunQiang)
2	10	Tournament CMR Chess Academy Summer Tournament 2023				Tournament Chess Power House 1st Rapid 2024
		date 2023-10-21	rnd 5	type Rapid	result 1	date 2024-02-24	rnd 3	type Rapid	result 1
		Opponent Hingorani, R (Ridhima)				Opponent Arokiam, E (Ethan)
3	8	Tournament JCC King David Linksfield Rapid 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-04-21	rnd 2	type Rapid	result 0.5	date 2024-06-03	rnd 5	type Rapid	result 1
		Opponent Gillman, E (Edmund)				Opponent Kyriacou, D (Dimitri)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament JCC - SAHETI Chess League 2025				Tournament JMC Closed 2025
		date 2025-05-12	rnd 1	type Rapid	result 1	date 2025-08-09	rnd 2	type Standard	result 1
		Opponent Correia, T (Tomas)				Opponent Greyling, A (Alexander)
2	6	Tournament Midrand Chess Club - Individual Chess League 2024				Tournament JMC Crawford Ruimsig 2025
		date 2024-11-02	rnd 10	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Ramabulana, H (Hulisani)				Opponent Maharaj, A (Aditi)
3	6	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament Midrand Chess Club - Individual Chess League 2024
		date 2024-05-20	rnd 1	type Rapid	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Doherty, T (Timothy)				Opponent Abboy, K (Kaylib)

#	Games	Start				End
1	6	Tournament Midrand Chess Club - Individual Chess League 2024				Tournament JMC Crawford Ruimsig 2025
		date 2024-11-02	rnd 10	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Ramabulana, H (Hulisani)				Opponent Maharaj, A (Aditi)
2	6	Tournament FNB Chessheroes Anity Bullying 2022				Tournament 2022 South African Junior Team Chess Championships
		date 2022-11-05	rnd 3	type Standard	result 1	date 2022-12-05	rnd 3	type Standard	result 1
		Opponent Weng, Y (Yu Bo (David))				Opponent Steyn, J (Johannes)
3	5	Tournament Alberton Chess Club Tournament 1 2023				Tournament JNW Open - Trinityhouse Little Falls 2023
		date 2023-04-15	rnd 5	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Davide, N (Ndomeleze)				Opponent Mallach, D (Daniel)

#	Games	Start				End
1	6	Tournament JCC - SAHETI Chess League 2025				Tournament Rock n Roll Rapid 2025
		date 2025-05-12	rnd 1	type Rapid	result 1	date 2025-08-24	rnd 2	type Rapid	result 1
		Opponent Correia, T (Tomas)				Opponent Beifus, A (Aiden)
2	4	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-05-20	rnd 1	type Rapid	result 1	date 2024-06-03	rnd 5	type Rapid	result 1
		Opponent Doherty, T (Timothy)				Opponent Kyriacou, D (Dimitri)
3	4	Tournament Chess Power House 1st Rapid 2024				Tournament CPH St Andrew's Rapid 2024
		date 2024-02-24	rnd 5	type Rapid	result 1	date 2024-03-30	rnd 3	type Rapid	result 1
		Opponent Notrem, K (Kopano)				Opponent Ndlovu, W (Wayne)

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	Mallach ,D (Daniel)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Mallach ,D (Daniel)	3	1575.8	1717.5	3	1569.6	1717.5	0	0	0	0	0	0
2	Mankena ,S (Satvik Ram)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
2	Mankena ,S (Satvik Ram)	3	1465.6	1465.6	3	1451.5	1465.6	0	0	0	0	0	0
3	Maharaj ,A (Arya)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
3	Maharaj ,A (Arya)	3	1380.6	1663.9	3	1376.6	1663.9	0	0	0	0	0	0
4	Habangana ,B (Bushe)	2	1	0	2	1	0	0	0	0	0	0	0
4	Habangana ,B (Bushe)	2	1391.1	1391.1	2	1404.1	1391.1	0	0	0	0	0	0
5	Weng ,Y (Yu Bo (David))	2	1	0	2	1	0	0	0	0	0	0	0
5	Weng ,Y (Yu Bo (David))	2	1455.2	1455.2	2	1423.8	1455.2	0	0	0	0	0	0
6	Rademeyer ,F (Frederick Paul)	2	2	425	2	2	425	0	0	0	0	0	0
6	Rademeyer ,F (Frederick Paul)	2	1370.7	1795.7	2	1376.3	1795.7	0	0	0	0	0	0
7	Hazelton-Lagarrigue ,V (Vincent)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
7	Hazelton-Lagarrigue ,V (Vincent)	2	1398.9	1611.4	2	1419.4	1611.4	0	0	0	0	0	0
8	Steyn ,J (Johannes)	2	1	0	2	1	0	0	0	0	0	0	0
8	Steyn ,J (Johannes)	2	1265.5	1265.5	2	1222.1	1265.5	0	0	0	0	0	0
9	Botha ,A (Andrea)	2	1	0	2	1	0	0	0	0	0	0	0
9	Botha ,A (Andrea)	2	1276.1	1276.1	2	1269.7	1276.1	0	0	0	0	0	0
10	Stelloh ,S (Sebastian)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
10	Stelloh ,S (Sebastian)	2	1477.1	1689.6	1	1391.2	1902.1	1	1409.9	1477.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Mallach, M (Matthew)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms