Chess South Africa Ratings Database

PLAYER PAGE

Personal

Tan, G (Gina)

Chess SA id

2080145965

FIDE id

Date of birth

2008-07-09 (U18)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

13.9

Junior GPX Points

1237.5

Item	Main	Standard	Rapid	Blitz
Rating	1275	1238.6	1287.5	1200
Raw rating	1275	1236	1287.5	1200
Weighted rating	1274.3	1238.6	1268.2	1200
Weighted performance	1228.1	1134.8	0	0
Floor	792.6	748.2	787.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	149	157.5	146.4	165.8
Highest rating	1330 2024-10-01	1248.2 2025-09-30	1608.3 2024-10-01	1200 2018-10-01
Highest raw rating	1292.6 2024-11-01	1248.2 2025-09-30	1287.5 2024-11-01	1200 2024-03-01
Highest weighted rating	1274.3 2025-11-01	1238.6 2025-11-01	1256.9 2025-08-01	1200 2018-10-01
Highest weighted performance	1330 2024-10-01	1234.1 2023-08-01	1608.3 2024-10-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.9	0.3	0	0
New rating	1275.9	1239	1287.5	1200
Analysis
Rating	1275	1238.6	1287.5	1200
Raw rating	1275	1236	1287.5	1200
Weighted rating	1274.3	1238.6	1268.2
Weighted performance	1228.1	1134.8	0
K-factor	36	36	36	36
Floor	792.6	748.2	787.5	700
Max/Min rating change allowed	149	157.5	146.4	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	1275	1236	1287.5	1200
New weighted rating	1275.9	1239	1271.5	1200
New weighted performance	1220.3	1127.5	0	0
Temp new rating	1275.9	1239	1287.5	1200
Temp new rating +/-	0.9	0.3	0	0
Final new rating +/-	0.9	0.3	0	0
New rating	1275.9	1239	1287.5	1200
New K-factor	36	36	36	36
New floor	792.6	748.2	787.5	700

Item	Main	Standard	Rapid
	0	0	0
	11	11	0
	10	5	5
	5	5	0
	4	4	0
	0	0	0
History	30	25	5

Games since
	Main 21	Standard 16		Rapid 5		Blitz 0
Gender	Female
Age group	U18
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-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	11	4.5	40.91	-77.3	1332.4	1255.2
Standard	11	4.5	40.91	-77.3	1332.4	1255.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	17	56.67	56.7	1263.6	1320.3
Standard	25	12	48	-17	1281.6	1264.6
Rapid	5	5	100	425	1173.5	1598.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1275	1236	1287.5	1200
2025-09-30	1291.4	1248.2	1287.5	1200
2025-09-01	1292.6	1244.6	1287.5	1200
2025-08-01	1292.6	1244.6	1287.5	1200
2025-07-01	1292.6	1244.6	1287.5	1200
2025-06-01	1292.6	1244.6	1287.5	1200
2025-05-01	1292.6	1244.6	1287.5	1200
2025-04-01	1292.6	1244.6	1287.5	1200
2025-03-01	1292.6	1244.6	1287.5	1200
2025-02-01	1292.6	1244.6	1287.5	1200
2025-01-01	1292.6	1244.6	1287.5	1200
2024-12-01	1292.6	1244.6	1287.5	1200
2024-11-01	1292.6	1244.6	1287.5	1200
2024-10-01	1241.5	1244.6	1200	1200
2024-09-01	1211.3	1214.4	1200	1200
2024-08-01	1211.3	1214.4	1200	1200
2024-07-01	1211.3	1214.4	1200	1200
2024-09-01	1211.3	1214.4	1200	1200
2024-05-01	1211.3	1214.4	1200	1200
2024-04-01	1211.3	1214.4	1200	1200
2024-03-01	1211.3	1214.4	1200	1200
2024-02-01	1211.3	1214.4	1200	1200
2024-01-01	1211.3	1214.4	1200	1200
2023-12-01	1211.3	1214.4	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	2025 Gauteng Top Schools Teams (U19 Girls)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
2	St Peters College Sports & Cultural Festival 2025	2025-09-19	2025-09-20	Standard	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U19 Girls)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
2	St Peters College Sports & Cultural Festival 2025	2025-09-19	2025-09-20	Standard	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
3	Gauteng Top Schools 2024 (U19 Girls)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	5	Yes	Analysis
4	Gauteng Schools Individuals Finals 2024 (U18 Girls)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	2023 Gauteng Top Schools (U15 Girls)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	3.5	Yes	Analysis
6	2022 Gauteng Schools Team Championships (U15 Girls)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis

#	Games	Start				End
1	6	Tournament Gauteng Top Schools 2024				Tournament 2025 Gauteng Top Schools Teams
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 1	type Standard	result 0.5
		Opponent Nyubuse, K (Khwezi)				Opponent Elie, M (Mechaella)
2	3	Tournament St Peters College Sports & Cultural Festival 2025				Tournament St Peters College Sports & Cultural Festival 2025
		date 2025-09-19	rnd 3	type Standard	result 1	date 2025-09-20	rnd 5	type Standard	result 1
		Opponent Keokhle, S (Setso)				Opponent Okonkwo, B (Blessing)
3	3	Tournament 2023 Gauteng Top Schools				Tournament Gauteng Schools Individuals Finals 2024
		date 2023-08-19	rnd 4	type Standard	result 1	date 2024-08-17	rnd 1	type Standard	result 1
		Opponent Mosoetsa, T (Tsholofelo)				Opponent Mungwe, S (Sinethemba)

#	Games	Start				End
1	3	Tournament 2023 Gauteng Top Schools				Tournament Gauteng Schools Individuals Finals 2024
		date 2023-08-19	rnd 4	type Standard	result 1	date 2024-08-17	rnd 1	type Standard	result 1
		Opponent Mosoetsa, T (Tsholofelo)				Opponent Mungwe, S (Sinethemba)
2	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 3	type Standard	result 1	date 2024-08-17	rnd 4	type Standard	result 1
		Opponent Mathobo, T (Tshedza)				Opponent Mabaso, F (Felicity)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 1	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Mogale, K (Koketso)				Opponent Marasela, S (Sthembile)

#	Games	Start				End
1	5	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Nyubuse, K (Khwezi)				Opponent Jaka, M (Munashe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Nyubuse, K (Khwezi)				Opponent Jaka, M (Munashe)
2	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 3	type Standard	result 1	date 2024-08-17	rnd 4	type Standard	result 1
		Opponent Mathobo, T (Tshedza)				Opponent Mabaso, F (Felicity)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 1	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Mogale, K (Koketso)				Opponent Marasela, S (Sthembile)

#	Games	Start				End
1	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 3	type Standard	result 1	date 2024-08-17	rnd 4	type Standard	result 1
		Opponent Mathobo, T (Tshedza)				Opponent Mabaso, F (Felicity)
2	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 1	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Mogale, K (Koketso)				Opponent Marasela, S (Sthembile)
3	1	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 1	type Standard	result 1	date 2024-08-17	rnd 1	type Standard	result 1
		Opponent Mungwe, S (Sinethemba)				Opponent Mungwe, S (Sinethemba)

#	Games	Start				End
1	5	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Nyubuse, K (Khwezi)				Opponent Jaka, M (Munashe)

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	Zitha ,T (Tshegofatso Thandolwethu)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Zitha ,T (Tshegofatso Thandolwethu)	2	1235.4	1022.9	2	1241.2	1022.9	0	0	0	0	0	0
2	Govender ,T (Talia)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Govender ,T (Talia)	1	1442.7	1017.7	1	1429	1017.7	0	0	0	0	0	0
3	Mosoetsa ,TW (Tsholofelo Winnie)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mosoetsa ,TW (Tsholofelo Winnie)	1	1128.3	1553.3	1	1111.6	1553.3	0	0	0	0	0	0
4	Leshata ,K (Katlego)	1	1	425	1	1	425	0	0	0	0	0	0
4	Leshata ,K (Katlego)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Ntladi ,L (Lesedi)	1	1	425	1	1	425	0	0	0	0	0	0
5	Ntladi ,L (Lesedi)	1	1133.6	1558.6	1	1120	1558.6	0	0	0	0	0	0
6	Mogale ,K (Koketso)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mogale ,K (Koketso)	1	1252	1677	1	1262.6	1677	0	0	0	0	0	0
7	Moodley ,DD (Dhivya Dhanam)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Moodley ,DD (Dhivya Dhanam)	1	1106.1	681.1	1	1089.2	681.1	0	0	0	0	0	0
8	Mphekgwane ,P (Precious)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mphekgwane ,P (Precious)	1	1281.4	856.4	1	1234.1	856.4	0	0	0	0	0	0
9	Marasela ,S (Sthembile)	1	1	425	1	1	425	0	0	0	0	0	0
9	Marasela ,S (Sthembile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Elie ,M (Mechaella)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Elie ,M (Mechaella)	1	1246.3	1246.3	1	1260.6	1246.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Tan, G (Gina)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms