Chess South Africa Ratings Database

PLAYER PAGE

Personal

Machacha, D (Doctor)

Chess SA id

196092497

FIDE id

Date of birth

1996-09-04 (Adult)

Gender

Male

Region

Gert Sibande (MGS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1477.3	1292	1459.1	1346.2
Raw rating	1471.6	1292	1443.9	1346.2
Weighted rating	1477.3	1291.8	1459.1	1344.7
Weighted performance	904.6	0	0	0
Floor	979.7	792	962.5	846.2
K-factor	32	36	32	36
Min/Max rating change allowed	112.6	145.4	117.1	134.6
Highest rating	1479.7 2024-02-01	1292 2024-02-01	1462.5 2024-02-01	1346.2 2024-02-01
Highest raw rating	1479.7 2024-02-01	1292 2024-02-01	1462.5 2024-02-01	1346.2 2024-02-01
Highest weighted rating	1477.3 2025-09-30	1291.4 2025-08-01	1459.1 2025-09-30	1341.3 2025-08-01
Highest weighted performance	1232.3 2018-07-01	1235.9 2018-07-01	1438 2022-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.5	0	-0.2	0
New rating	1477.9	1292	1459	1346.2
Analysis
Rating	1477.3	1292	1459.1	1346.2
Raw rating	1471.6	1292	1443.9	1346.2
Weighted rating	1477.3	1291.8	1459.1
Weighted performance	904.6	0	0
K-factor	32	36	32	36
Floor	979.7	792	962.5	846.2
Max/Min rating change allowed	112.6	145.4	117.1	134.6
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	1471.6	1292	1443.9	1346.2
New weighted rating	1477.9	1291.9	1459	1345.7
New weighted performance	904.1	0	0	0
Temp new rating	1477.9	1292	1459	1346.2
Temp new rating +/-	0.5	0	-0.2	0
Final new rating +/-	0.5	0	-0.2	0
New rating	1477.9	1292	1459	1346.2
New K-factor	32	36	32	36
New floor	979.7	792	962.5	846.2

Item	Main	Standard	Rapid
	0	0	0
	6	0	6
	0	0	0
	0	0	0
	23	16	7
	0	0	0
History	52	39	13

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Male
Age group	Adult
Region	Gert Sibande (MGS)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	6	4.5	75	212.5	1199	1411.5
Standard	0	0	0	0	0	0
Rapid	6	4.5	75	212.5	1199	1411.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	43	23	53.49	29.7	1291.9	1321.6
Standard	30	13.5	45	-42.5	1302	1259.5
Rapid	13	9.5	73.08	196.2	1268.7	1464.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1471.6	1292	1443.9	1346.2
2025-09-01	1479.7	1292	1462.5	1346.2
2025-08-01	1479.7	1292	1462.5	1346.2
2025-07-01	1479.7	1292	1462.5	1346.2
2025-06-01	1479.7	1292	1462.5	1346.2
2025-05-01	1479.7	1292	1462.5	1346.2
2025-04-01	1479.7	1292	1462.5	1346.2
2025-03-01	1479.7	1292	1462.5	1346.2
2025-02-01	1479.7	1292	1462.5	1346.2
2025-01-01	1479.7	1292	1462.5	1346.2
2024-12-01	1479.7	1292	1462.5	1346.2
2024-11-01	1479.7	1292	1462.5	1346.2
2024-10-01	1479.7	1292	1462.5	1346.2
2024-09-01	1479.7	1292	1462.5	1346.2
2024-08-01	1479.7	1292	1462.5	1346.2
2024-07-01	1479.7	1292	1462.5	1346.2
2024-06-01	1479.7	1292	1462.5	1346.2
2024-08-01	1479.7	1292	1462.5	1346.2
2024-04-01	1479.7	1292	1462.5	1346.2
2024-03-01	1479.7	1292	1462.5	1346.2
2024-02-01	1479.7	1292	1462.5	1346.2
2024-01-01	1479.7	1292	1462.5	1346.2
2023-12-01	1309.9	1274.4	1275.6	1200
2023-11-01	1309.9	1274.4	1275.6	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	Mpumalanga Regional Chess Trials 2025 (Open)	2025-09-20	2025-09-20	Rapid	Gert Sibande (MGS)	6	6	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mpumalanga Regional Chess Trials 2025 (Open)	2025-09-20	2025-09-20	Rapid	Gert Sibande (MGS)	6	6	4.5	Yes	Analysis
2	Nkomazi Festive Tournament 2022 (Open)	2022-12-17	2022-12-17	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
3	University Of Mpumalanga Chess Open 2022	2022-10-08	2022-10-08	Rapid	Ehlanzeni (MEN)	7	7	5	Yes	Analysis
4	Kumbaya Africa Individuals Chess League 2022 (Open)	2022-05-07	2022-07-30	Standard	Ehlanzeni (MEN)	14	11	5.5	Yes	Analysis
5	2018 USSA Championship (Open)	2018-07-02	2018-07-06	Standard	Gert Sibande (MGS)	9	9	3	Yes	Analysis
6	Lowveld Open 2018 (A)	2018-07-27	2018-07-28	Standard	Ehlanzeni (MEN)	6	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament University Of Mpumalanga Chess Open 2022				Tournament University Of Mpumalanga Chess Open 2022
		date 2022-10-08	rnd 4	type Rapid	result 1	date 2022-10-08	rnd 6	type Rapid	result 1
		Opponent Ngomane, NM (Ntokozo)				Opponent Sambo, I (Iyazi)
2	3	Tournament Lowveld Open 2018				Tournament Kumbaya Africa Individuals Chess League 2022
		date 2018-07-28	rnd 6	type Standard	result 1	date 2022-05-21	rnd 4	type Standard	result 1
		Opponent Magagula, T (Thami)				Opponent Nkosi, M (Malibongwe)
3	2	Tournament Nkomazi Festive Tournament 2022				Tournament Nkomazi Festive Tournament 2022
		date 2022-12-17	rnd 1	type Standard	result 1	date 2022-12-17	rnd 2	type Standard	result 1
		Opponent Mamba, G (German)				Opponent Sibanyoni, RE (Ruphas)

#	Games	Start				End
1	3	Tournament Lowveld Open 2018				Tournament Kumbaya Africa Individuals Chess League 2022
		date 2018-07-28	rnd 6	type Standard	result 1	date 2022-05-21	rnd 4	type Standard	result 1
		Opponent Magagula, T (Thami)				Opponent Nkosi, M (Malibongwe)
2	2	Tournament Nkomazi Festive Tournament 2022				Tournament Nkomazi Festive Tournament 2022
		date 2022-12-17	rnd 1	type Standard	result 1	date 2022-12-17	rnd 2	type Standard	result 1
		Opponent Mamba, G (German)				Opponent Sibanyoni, RE (Ruphas)
3	2	Tournament Kumbaya Africa Individuals Chess League 2022				Tournament Kumbaya Africa Individuals Chess League 2022
		date 2022-06-04	rnd 6	type Standard	result 1	date 2022-06-18	rnd 7	type Standard	result 1
		Opponent Dhludhlu, SC (Seuntjie)				Opponent Shongwe, S (Sinele)

#	Games	Start				End
1	3	Tournament University Of Mpumalanga Chess Open 2022				Tournament University Of Mpumalanga Chess Open 2022
		date 2022-10-08	rnd 4	type Rapid	result 1	date 2022-10-08	rnd 6	type Rapid	result 1
		Opponent Ngomane, NM (Ntokozo)				Opponent Sambo, I (Iyazi)
2	2	Tournament University Of Mpumalanga Chess Open 2022				Tournament University Of Mpumalanga Chess Open 2022
		date 2022-10-08	rnd 1	type Rapid	result 1	date 2022-10-08	rnd 2	type Rapid	result 1
		Opponent Cele, K (Khethokuhle)				Opponent Shongwe, S (Sinele)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament University Of Mpumalanga Chess Open 2022				Tournament University Of Mpumalanga Chess Open 2022
		date 2022-10-08	rnd 4	type Rapid	result 1	date 2022-10-08	rnd 6	type Rapid	result 1
		Opponent Ngomane, NM (Ntokozo)				Opponent Sambo, I (Iyazi)
2	3	Tournament Lowveld Open 2018				Tournament Kumbaya Africa Individuals Chess League 2022
		date 2018-07-28	rnd 6	type Standard	result 1	date 2022-05-21	rnd 4	type Standard	result 1
		Opponent Magagula, T (Thami)				Opponent Nkosi, M (Malibongwe)
3	2	Tournament Nkomazi Festive Tournament 2022				Tournament Nkomazi Festive Tournament 2022
		date 2022-12-17	rnd 1	type Standard	result 1	date 2022-12-17	rnd 2	type Standard	result 1
		Opponent Mamba, G (German)				Opponent Sibanyoni, RE (Ruphas)

#	Games	Start				End
1	3	Tournament Lowveld Open 2018				Tournament Kumbaya Africa Individuals Chess League 2022
		date 2018-07-28	rnd 6	type Standard	result 1	date 2022-05-21	rnd 4	type Standard	result 1
		Opponent Magagula, T (Thami)				Opponent Nkosi, M (Malibongwe)
2	2	Tournament Nkomazi Festive Tournament 2022				Tournament Nkomazi Festive Tournament 2022
		date 2022-12-17	rnd 1	type Standard	result 1	date 2022-12-17	rnd 2	type Standard	result 1
		Opponent Mamba, G (German)				Opponent Sibanyoni, RE (Ruphas)
3	2	Tournament Kumbaya Africa Individuals Chess League 2022				Tournament Kumbaya Africa Individuals Chess League 2022
		date 2022-06-04	rnd 6	type Standard	result 1	date 2022-06-18	rnd 7	type Standard	result 1
		Opponent Dhludhlu, SC (Seuntjie)				Opponent Shongwe, S (Sinele)

#	Games	Start				End
1	3	Tournament University Of Mpumalanga Chess Open 2022				Tournament University Of Mpumalanga Chess Open 2022
		date 2022-10-08	rnd 4	type Rapid	result 1	date 2022-10-08	rnd 6	type Rapid	result 1
		Opponent Ngomane, NM (Ntokozo)				Opponent Sambo, I (Iyazi)
2	2	Tournament University Of Mpumalanga Chess Open 2022				Tournament University Of Mpumalanga Chess Open 2022
		date 2022-10-08	rnd 1	type Rapid	result 1	date 2022-10-08	rnd 2	type Rapid	result 1
		Opponent Cele, K (Khethokuhle)				Opponent Shongwe, S (Sinele)

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	Nkambule ,M (Muzi)	2	1	0	2	1	0	0	0	0	0	0	0
1	Nkambule ,M (Muzi)	2	1390.8	1390.8	2	1401.7	1390.8	0	0	0	0	0	0
2	Sibanyoni ,RE (Ruphas)	2	1	0	2	1	0	0	0	0	0	0	0
2	Sibanyoni ,RE (Ruphas)	2	1382	1382	2	1373.5	1382	0	0	0	0	0	0
3	Phiri ,A (Allie)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Phiri ,A (Allie)	2	1307.4	882.4	1	1245.2	882.4	1	1200	882.4	0	0	0
4	Shongwe ,S (Sinele)	2	2	425	1	1	425	1	1	425	0	0	0
4	Shongwe ,S (Sinele)	2	1216.4	1641.4	1	1200	1641.4	1	1200	1641.4	0	0	0
5	Vuma ,SD (Skumbuzo)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Vuma ,SD (Skumbuzo)	2	1460	1035	1	1445.3	1035	1	1200	1035	0	0	0
6	Ngcobo ,M (Muzwandile)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
6	Ngcobo ,M (Muzwandile)	2	1057.3	1269.8	0	0	0	2	604.6	1269.8	0	0	0
7	Mofokeng ,S (Siyabonga)	2	2	425	0	0	0	2	2	425	0	0	0
7	Mofokeng ,S (Siyabonga)	2	1200	1625	0	0	0	2	1200	1625	0	0	0
8	Nkosi ,B (Bonginkosi)	2	1	0	0	0	0	2	1	0	0	0	0
8	Nkosi ,B (Bonginkosi)	2	1339.8	1339.8	0	0	0	2	1254.8	1339.8	0	0	0
9	Mamba ,G (German)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mamba ,G (German)	1	1239.8	1664.8	1	1200	1664.8	0	0	0	0	0	0
10	Tholo ,P (Phumuza)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Tholo ,P (Phumuza)	1	1269.1	844.1	1	1275.8	844.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Machacha, D (Doctor)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms