Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jaca, A (Amahle)

Chess SA id

1050191371

FIDE id

Date of birth

2005-07-12 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1252.2	1231	1235.9	1200
Raw rating	1252.2	1231	1235.9	1200
Weighted rating	1233.6	1225.8	1208.3	1200
Weighted performance	1114.8	1029.6	0	0
Floor	752.2	731	735.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.9	158.7	157.5	165.8
Highest rating	1252.2 2025-09-01	1231 2024-08-01	1235.9 2025-09-01	1200 2018-10-01
Highest raw rating	1252.2 2025-09-01	1231 2024-08-01	1235.9 2025-09-01	1200 2024-02-01
Highest weighted rating	1228.6 2025-09-01	1222.1 2025-08-01	1202.9 2025-09-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1252.2	1231	1235.9	1200
Analysis
Rating	1252.2	1231	1235.9	1200
Raw rating	1252.2	1231	1235.9	1200
Weighted rating	1233.6	1225.8	1208.3
Weighted performance	1114.8	1029.6	0
K-factor	36	36	36	36
Floor	752.2	731	735.9	700
Max/Min rating change allowed	153.9	158.7	157.5	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	1252.2	1231	1235.9	1200
New weighted rating	1235.8	1226.8	1210.8	1200
New weighted performance	1107.3	1022.2	0	0
Temp new rating	1252.2	1231	1235.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1252.2	1231	1235.9	1200
New K-factor	36	36	36	36
New floor	752.2	731	735.9	700

Item	Main	Standard	Rapid
	0	0	0
	6	0	6
	20	20	0
	10	10	0
	0	0	0
	0	0	0
History	36	30	6

Games since
	Main 36	Standard 30		Rapid 6		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	3827		1376		359
Male	2904		1049		279
Adult	584		194		76
Adult Male	526		177		70
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	66.67	141.7	1206.7	1348.4
Standard	0	0	0	0	0	0
Rapid	6	4	66.67	141.7	1206.7	1348.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	36	15	41.67	-70.8	1313.4	1242.5
Standard	30	11	36.67	-113.3	1334.7	1221.4
Rapid	6	4	66.67	141.7	1206.7	1348.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1252.2	1231	1235.9	1200
2025-09-30	1252.2	1231	1235.9	1200
2025-09-01	1252.2	1231	1235.9	1200
2025-08-01	1234.7	1231	1200	1200
2025-07-01	1234.7	1231	1200	1200
2025-06-01	1234.7	1231	1200	1200
2025-05-01	1234.7	1231	1200	1200
2025-04-01	1234.7	1231	1200	1200
2025-03-01	1234.7	1231	1200	1200
2025-02-01	1234.7	1231	1200	1200
2025-01-01	1234.7	1231	1200	1200
2024-12-01	1234.7	1231	1200	1200
2024-11-01	1234.7	1231	1200	1200
2024-10-01	1234.7	1231	1200	1200
2024-09-01	1234.7	1231	1200	1200
2024-08-01	1234.7	1231	1200	1200
2024-07-01	1180.2	1175.2	1200	1200
2024-09-01	1180.2	1175.2	1200	1200
2024-05-01	1186.8	1180.2	1200	1200
2024-04-01	1205.6	1202.9	1200	1200
2024-03-01	1205.6	1202.9	1200	1200
2024-02-01	1205.6	1202.9	1200	1200
2024-01-01	1205.6	1202.9	1200	1200
2023-12-01	1205.6	1202.9	1200	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	Ugu Women's Day tournament 2025 (Girls)	2025-08-09	2025-08-09	Rapid	Ugu (KUG)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ugu Women's Day tournament 2025 (Girls)	2025-08-09	2025-08-09	Rapid	Ugu (KUG)	6	6	4	Yes	Analysis
2	South African Open Chess Championship 2024 (C)	2024-07-04	2024-07-07	Standard	Ethekwini (KED)	7	7	3.5	Yes	Analysis
3	UGU Trials for KZN Open 2024 (Open)	2024-04-06	2024-04-06	Standard	Ugu (KUG)	4	2	0	Yes	Analysis
4	Murchison Chess Club Open 2024 (A)	2024-05-04	2024-05-04	Standard	Ugu (KUG)	5	5	2	Yes	Analysis
5	2024 Ethekwini Open (A)	2024-04-20	2024-04-21	Standard	Ethekwini (KED)	6	6	1.5	Yes	Analysis
6	2023 KZN SALGA Games Chess Tournament 2023	2023-12-08	2023-12-10	Standard	Ethekwini (KED)	7	6	3	Yes	Analysis
7	NMZ Open 2023 (A)	2023-12-20	2023-12-20	Standard	Ethekwini (KED)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament South African Open Chess Championship 2024				Tournament South African Open Chess Championship 2024
		date 2024-07-04	rnd 2	type Standard	result 1	date 2024-07-05	rnd 4	type Standard	result 0.5
		Opponent Kithinji, NW (Nyakundi Wesley)				Opponent Petzer, J (Jayden)
2	3	Tournament 2023 KZN SALGA Games Chess Tournament 2023				Tournament 2023 KZN SALGA Games Chess Tournament 2023
		date 2023-12-08	rnd 1	type Standard	result 1	date 2023-12-09	rnd 3	type Standard	result 1
		Opponent Phungula, M (Mawandi)				Opponent Mchunu, A (Akhona)
3	2	Tournament Ugu Women's Day tournament 2025				Tournament Ugu Women's Day tournament 2025
		date 2025-08-09	rnd 3	type Rapid	result 1	date 2025-08-09	rnd 4	type Rapid	result 1
		Opponent Ncayiyana, K (Khwezi)				Opponent Ncayiyana, S (Snakho)

#	Games	Start				End
1	3	Tournament South African Open Chess Championship 2024				Tournament South African Open Chess Championship 2024
		date 2024-07-04	rnd 2	type Standard	result 1	date 2024-07-05	rnd 4	type Standard	result 0.5
		Opponent Kithinji, NW (Nyakundi Wesley)				Opponent Petzer, J (Jayden)
2	3	Tournament 2023 KZN SALGA Games Chess Tournament 2023				Tournament 2023 KZN SALGA Games Chess Tournament 2023
		date 2023-12-08	rnd 1	type Standard	result 1	date 2023-12-09	rnd 3	type Standard	result 1
		Opponent Phungula, M (Mawandi)				Opponent Mchunu, A (Akhona)
3	2	Tournament Murchison Chess Club Open 2024				Tournament Murchison Chess Club Open 2024
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Mswazi, L (Luyanda)				Opponent Naidoo, S (Shivam)

#	Games	Start				End
1	2	Tournament Ugu Women's Day tournament 2025				Tournament Ugu Women's Day tournament 2025
		date 2025-08-09	rnd 3	type Rapid	result 1	date 2025-08-09	rnd 4	type Rapid	result 1
		Opponent Ncayiyana, K (Khwezi)				Opponent Ncayiyana, S (Snakho)
2	1	Tournament Ugu Women's Day tournament 2025				Tournament Ugu Women's Day tournament 2025
		date 2025-08-09	rnd 6	type Rapid	result 1	date 2025-08-09	rnd 6	type Rapid	result 1
		Opponent Ncayiyana, S (Siwaphiwe)				Opponent Ncayiyana, S (Siwaphiwe)
3	1	Tournament Ugu Women's Day tournament 2025				Tournament Ugu Women's Day tournament 2025
		date 2025-08-09	rnd 1	type Rapid	result 1	date 2025-08-09	rnd 1	type Rapid	result 1
		Opponent Zulu, A (Anathi)				Opponent Zulu, A (Anathi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2023 KZN SALGA Games Chess Tournament 2023				Tournament 2023 KZN SALGA Games Chess Tournament 2023
		date 2023-12-08	rnd 1	type Standard	result 1	date 2023-12-09	rnd 3	type Standard	result 1
		Opponent Phungula, M (Mawandi)				Opponent Mchunu, A (Akhona)
2	2	Tournament Ugu Women's Day tournament 2025				Tournament Ugu Women's Day tournament 2025
		date 2025-08-09	rnd 3	type Rapid	result 1	date 2025-08-09	rnd 4	type Rapid	result 1
		Opponent Ncayiyana, K (Khwezi)				Opponent Ncayiyana, S (Snakho)
3	2	Tournament South African Open Chess Championship 2024				Tournament South African Open Chess Championship 2024
		date 2024-07-04	rnd 2	type Standard	result 1	date 2024-07-05	rnd 3	type Standard	result 1
		Opponent Kithinji, NW (Nyakundi Wesley)				Opponent Buthelezi, T (Thandolwethu)

#	Games	Start				End
1	3	Tournament 2023 KZN SALGA Games Chess Tournament 2023				Tournament 2023 KZN SALGA Games Chess Tournament 2023
		date 2023-12-08	rnd 1	type Standard	result 1	date 2023-12-09	rnd 3	type Standard	result 1
		Opponent Phungula, M (Mawandi)				Opponent Mchunu, A (Akhona)
2	2	Tournament South African Open Chess Championship 2024				Tournament South African Open Chess Championship 2024
		date 2024-07-04	rnd 2	type Standard	result 1	date 2024-07-05	rnd 3	type Standard	result 1
		Opponent Kithinji, NW (Nyakundi Wesley)				Opponent Buthelezi, T (Thandolwethu)
3	2	Tournament Murchison Chess Club Open 2024				Tournament Murchison Chess Club Open 2024
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Mswazi, L (Luyanda)				Opponent Naidoo, S (Shivam)

#	Games	Start				End
1	2	Tournament Ugu Women's Day tournament 2025				Tournament Ugu Women's Day tournament 2025
		date 2025-08-09	rnd 3	type Rapid	result 1	date 2025-08-09	rnd 4	type Rapid	result 1
		Opponent Ncayiyana, K (Khwezi)				Opponent Ncayiyana, S (Snakho)
2	1	Tournament Ugu Women's Day tournament 2025				Tournament Ugu Women's Day tournament 2025
		date 2025-08-09	rnd 6	type Rapid	result 1	date 2025-08-09	rnd 6	type Rapid	result 1
		Opponent Ncayiyana, S (Siwaphiwe)				Opponent Ncayiyana, S (Siwaphiwe)
3	1	Tournament Ugu Women's Day tournament 2025				Tournament Ugu Women's Day tournament 2025
		date 2025-08-09	rnd 1	type Rapid	result 1	date 2025-08-09	rnd 1	type Rapid	result 1
		Opponent Zulu, A (Anathi)				Opponent Zulu, A (Anathi)

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	Sithole ,S (Sibonelo)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Sithole ,S (Sibonelo)	2	1435.9	1010.9	2	1480.2	1010.9	0	0	0	0	0	0
2	Ndlovu ,S (Sizwe)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Ndlovu ,S (Sizwe)	2	1648.9	1223.9	2	1637.8	1223.9	0	0	0	0	0	0
3	Mdunge ,T (Thobeka)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Mdunge ,T (Thobeka)	1	1306.8	881.8	1	1328.2	881.8	0	0	0	0	0	0
4	Magudulela ,J (Jacob)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Magudulela ,J (Jacob)	1	1362.8	937.8	1	1375.2	937.8	0	0	0	0	0	0
5	Ngubane ,Z (Zizophila)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ngubane ,Z (Zizophila)	1	1433.8	1008.8	1	1450.6	1008.8	0	0	0	0	0	0
6	Ngcongo ,N (Nkululeko)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ngcongo ,N (Nkululeko)	1	1499.1	1074.1	1	1580.7	1074.1	0	0	0	0	0	0
7	Madiya ,F (Fezile)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Madiya ,F (Fezile)	1	1295.8	870.8	1	1264.4	870.8	0	0	0	0	0	0
8	Pwere ,C (Charles)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Pwere ,C (Charles)	1	1632.3	1207.3	1	1543.3	1207.3	0	0	0	0	0	0
9	Buthelezi ,T (Thandolwethu)	1	1	425	1	1	425	0	0	0	0	0	0
9	Buthelezi ,T (Thandolwethu)	1	1381.3	1806.3	1	1396.5	1806.3	0	0	0	0	0	0
10	Phungula ,M (Mawandi)	1	1	425	1	1	425	0	0	0	0	0	0
10	Phungula ,M (Mawandi)	1	1182.6	1607.6	1	1172.6	1607.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jaca, A (Amahle)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms