Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mahwai, J (John)

Chess SA id

1030113986

FIDE id

Date of birth

2003-11-19 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-09-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1244.1	1268.4	1180.4	1200
Raw rating	1244.1	1268.4	1180.4	1200
Weighted rating	1244.1	1268.4	1180.4	1200
Weighted performance	0	0	0	0
Floor	753.4	782.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	155.7	150.4	170.5	165.8
Highest rating	1253.4 2022-09-01	1574.3 2022-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1253.4 2022-09-01	1282.8 2022-09-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1253.4 2024-08-01	1282.8 2024-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1239.9 2022-08-01	1574.3 2022-08-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1244.1	1268.4	1180.4	1200
Analysis
Rating	1244.1	1268.4	1180.4	1200
Raw rating	1244.1	1268.4	1180.4	1200
Weighted rating	1244.1	1268.4	1180.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	753.4	782.8	700	700
Max/Min rating change allowed	155.7	150.4	170.5	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	1244.1	1268.4	1180.4	1200
New weighted rating	1244.1	1268.4	1180.4	1200
New weighted performance	0	0	0	0
Temp new rating	1244.1	1268.4	1180.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1244.1	1268.4	1180.4	1200
New K-factor	36	36	36	36
New floor	753.4	782.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	7	7	0
	0	0	0
History	12	7	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	7.5	62.5	106.2	1168.4	1274.7
Standard	7	5	71.43	182.1	1252	1434.2
Rapid	5	2.5	50	0	1051.4	1051.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1244.1	1268.4	1180.4	1200
2025-09-30	1244.1	1268.4	1180.4	1200
2025-09-01	1244.1	1268.4	1180.4	1200
2025-08-01	1244.1	1268.4	1180.4	1200
2025-07-01	1244.1	1268.4	1180.4	1200
2025-06-01	1244.1	1268.4	1180.4	1200
2025-05-01	1244.1	1268.4	1180.4	1200
2025-04-01	1244.1	1268.4	1180.4	1200
2025-03-01	1244.1	1268.4	1180.4	1200
2025-02-01	1244.1	1268.4	1180.4	1200
2025-01-01	1244.1	1268.4	1180.4	1200
2024-12-01	1244.1	1268.4	1180.4	1200
2024-11-01	1244.1	1268.4	1180.4	1200
2024-10-01	1244.1	1268.4	1180.4	1200
2024-09-01	1244.1	1268.4	1180.4	1200
2024-08-01	1244.1	1268.4	1180.4	1200
2024-07-01	1244.1	1268.4	1180.4	1200
2024-09-01	1244.1	1268.4	1180.4	1200
2024-05-01	1244.1	1268.4	1180.4	1200
2024-04-01	1244.1	1268.4	1180.4	1200
2024-03-01	1244.1	1268.4	1180.4	1200
2024-02-01	1244.1	1268.4	1180.4	1200
2024-01-01	1244.1	1268.4	1180.4	1200
2023-12-01	1244.1	1268.4	1180.4	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	EC Students Team League 2022 (B)	2022-08-20	2022-09-17	Standard	Amathole (EAL)	10	2	1	Yes	Analysis
2	Libode Chess Club Open 2022 (B)	2022-08-27	2022-08-27	Standard	Amathole (EAL)	5	5	4	Yes	Analysis
3	Gauteng D9 Finals 2019 (U18 Boys)	2019-05-18	2019-05-18	Rapid	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Gauteng D9 Finals 2019				Tournament Libode Chess Club Open 2022
		date 2019-05-18	rnd 4	type Rapid	result 1	date 2022-08-27	rnd 3	type Standard	result 1
		Opponent Ngidi, N (Nicholas)				Opponent Fosini, L (Lilitha)
2	1	Tournament EC Students Team League 2022				Tournament EC Students Team League 2022
		date 2022-09-03	rnd 7	type Standard	result 1	date 2022-09-03	rnd 7	type Standard	result 1
		Opponent Nyamakazi, S (Sikokele)				Opponent Nyamakazi, S (Sikokele)
3	1	Tournament Libode Chess Club Open 2022				Tournament Libode Chess Club Open 2022
		date 2022-08-27	rnd 5	type Standard	result 1	date 2022-08-27	rnd 5	type Standard	result 1
		Opponent Mahobe, B (Bahle)				Opponent Mahobe, B (Bahle)

#	Games	Start				End
1	3	Tournament Libode Chess Club Open 2022				Tournament Libode Chess Club Open 2022
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-08-27	rnd 3	type Standard	result 1
		Opponent Ntongana, A (Aluve)				Opponent Fosini, L (Lilitha)
2	1	Tournament EC Students Team League 2022				Tournament EC Students Team League 2022
		date 2022-09-03	rnd 7	type Standard	result 1	date 2022-09-03	rnd 7	type Standard	result 1
		Opponent Nyamakazi, S (Sikokele)				Opponent Nyamakazi, S (Sikokele)
3	1	Tournament Libode Chess Club Open 2022				Tournament Libode Chess Club Open 2022
		date 2022-08-27	rnd 5	type Standard	result 1	date 2022-08-27	rnd 5	type Standard	result 1
		Opponent Mahobe, B (Bahle)				Opponent Mahobe, B (Bahle)

#	Games	Start				End
1	2	Tournament Gauteng D9 Finals 2019				Tournament Gauteng D9 Finals 2019
		date 2019-05-18	rnd 4	type Rapid	result 1	date 2019-05-18	rnd 5	type Rapid	result 1
		Opponent Ngidi, N (Nicholas)				Opponent Khumalo, N (Norman)
2	1	Tournament Gauteng D9 Finals 2019				Tournament Gauteng D9 Finals 2019
		date 2019-05-18	rnd 1	type Rapid	result 0.5	date 2019-05-18	rnd 1	type Rapid	result 0.5
		Opponent Yan, C (Christopher)				Opponent Yan, C (Christopher)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Gauteng D9 Finals 2019				Tournament Libode Chess Club Open 2022
		date 2019-05-18	rnd 4	type Rapid	result 1	date 2022-08-27	rnd 3	type Standard	result 1
		Opponent Ngidi, N (Nicholas)				Opponent Fosini, L (Lilitha)
2	1	Tournament EC Students Team League 2022				Tournament EC Students Team League 2022
		date 2022-09-03	rnd 7	type Standard	result 1	date 2022-09-03	rnd 7	type Standard	result 1
		Opponent Nyamakazi, S (Sikokele)				Opponent Nyamakazi, S (Sikokele)
3	1	Tournament Libode Chess Club Open 2022				Tournament Libode Chess Club Open 2022
		date 2022-08-27	rnd 5	type Standard	result 1	date 2022-08-27	rnd 5	type Standard	result 1
		Opponent Mahobe, B (Bahle)				Opponent Mahobe, B (Bahle)

#	Games	Start				End
1	3	Tournament Libode Chess Club Open 2022				Tournament Libode Chess Club Open 2022
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-08-27	rnd 3	type Standard	result 1
		Opponent Ntongana, A (Aluve)				Opponent Fosini, L (Lilitha)
2	1	Tournament EC Students Team League 2022				Tournament EC Students Team League 2022
		date 2022-09-03	rnd 7	type Standard	result 1	date 2022-09-03	rnd 7	type Standard	result 1
		Opponent Nyamakazi, S (Sikokele)				Opponent Nyamakazi, S (Sikokele)
3	1	Tournament Libode Chess Club Open 2022				Tournament Libode Chess Club Open 2022
		date 2022-08-27	rnd 5	type Standard	result 1	date 2022-08-27	rnd 5	type Standard	result 1
		Opponent Mahobe, B (Bahle)				Opponent Mahobe, B (Bahle)

#	Games	Start				End
1	2	Tournament Gauteng D9 Finals 2019				Tournament Gauteng D9 Finals 2019
		date 2019-05-18	rnd 4	type Rapid	result 1	date 2019-05-18	rnd 5	type Rapid	result 1
		Opponent Ngidi, N (Nicholas)				Opponent Khumalo, N (Norman)

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	Mahobe ,B (Bahle)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mahobe ,B (Bahle)	1	1249.7	1674.7	1	1258	1674.7	0	0	0	0	0	0
2	Ntongana ,A (Aluve)	1	1	425	1	1	425	0	0	0	0	0	0
2	Ntongana ,A (Aluve)	1	1216.3	1641.3	1	1219.6	1641.3	0	0	0	0	0	0
3	Nyamakazi ,S (Sikokele)	1	1	425	1	1	425	0	0	0	0	0	0
3	Nyamakazi ,S (Sikokele)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Masali ,E (Elethu)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Masali ,E (Elethu)	1	1104.8	679.8	1	1093.6	679.8	0	0	0	0	0	0
5	Fosini ,L (Lilitha)	1	1	425	1	1	425	0	0	0	0	0	0
5	Fosini ,L (Lilitha)	1	1393.4	1818.4	1	1433.1	1818.4	0	0	0	0	0	0
6	Jikijela ,A (Anisha)	1	1	425	1	1	425	0	0	0	0	0	0
6	Jikijela ,A (Anisha)	1	1165.6	1590.6	1	1174.7	1590.6	0	0	0	0	0	0
7	Bixa ,T (Tshegofatso)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Bixa ,T (Tshegofatso)	1	1434.4	1009.4	1	1441.8	1009.4	0	0	0	0	0	0
8	Mpumpa ,K (Kitaya)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Mpumpa ,K (Kitaya)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Ngidi ,N (Nicholas)	1	1	425	0	0	0	1	1	425	0	0	0
9	Ngidi ,N (Nicholas)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Mapheto ,W (Wazy)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Mapheto ,W (Wazy)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Mahwai, J (John)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms