Chess South Africa Ratings Database

PLAYER PAGE

Personal

Rodda, T (Tirza)

Chess SA id

2160305182

FIDE id

Date of birth

2016-10-27 (U10)

Gender

Female

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

27.5

Junior GPX Points

1180.7

Item	Main	Standard	Rapid	Blitz
Rating	1206.1	1194.9	1199.9	1200
Raw rating	1206.1	1190.3	1199.9	1200
Weighted rating	1198.2	1194.9	1199.9	1200
Weighted performance	1140.5	1135.7	0	0
Floor	764.3	760.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.4	168.1	165.8	165.8
Highest rating	1264.3 2025-08-01	1260.3 2025-08-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1264.3 2025-08-01	1260.3 2025-08-01	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1205.4 2024-05-01	1202.4 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1249.6 2025-08-01	1251.9 2024-12-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0.2	0	0
New rating	1206.1	1194.7	1199.9	1200
Analysis
Rating	1206.1	1194.9	1199.9	1200
Raw rating	1206.1	1190.3	1199.9	1200
Weighted rating	1198.2	1194.9	1199.9
Weighted performance	1140.5	1135.7	0
K-factor	36	36	36	36
Floor	764.3	760.3	700	700
Max/Min rating change allowed	164.4	168.1	165.8	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	1206.1	1190.3	1199.9	1200
New weighted rating	1199.1	1194.7	1199.9	1200
New weighted performance	1140	1135.3	0	0
Temp new rating	1206.1	1194.7	1199.9	1200
Temp new rating +/-	0	-0.2	0	0
Final new rating +/-	0	-0.2	0	0
New rating	1206.1	1194.7	1199.9	1200
New K-factor	36	36	36	36
New floor	764.3	760.3	700	700

Item	Main	Standard	Rapid
	0	0	0
	30	25	5
	25	25	0
	0	0	0
	0	0	0
	0	0	0
History	55	50	5

Games since
	Main 55	Standard 50		Rapid 5		Blitz 0
Gender	Female
Age group	U10
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3994		1287		351
Female	958		292		72
U10	369		129		36
U10 Female	87		21		8
Standard
	RSA		Province		Region
Overall	3978		1387		350
Female	975		318		72
U10	378		150		39
U10 Female	85		23		8
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 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	30	12.5	41.67	-70.8	1275.9	1205.1
Standard	25	10.5	42	-68	1266.5	1198.5
Rapid	5	2	40	-85	1323.2	1238.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	55	23	41.82	-69.5	1252.1	1182.6
Standard	50	21	42	-68	1245	1177
Rapid	5	2	40	-85	1323.2	1238.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1206.1	1190.3	1199.9	1200
2025-09-01	1206.1	1190.3	1199.9	1200
2025-08-01	1264.3	1260.3	1199.9	1200
2025-07-01	1205.4	1202.4	1199.9	1200
2025-06-01	1205.4	1202.4	1199.9	1200
2025-05-01	1205.4	1202.4	1199.2	1200
2025-04-01	1199.7	1202.4	1200	1200
2025-03-01	1185.9	1185.5	1200	1200
2025-02-01	1186.8	1188.8	1200	1200
2025-01-01	1185.4	1188.8	1200	1200
2024-12-01	1185.4	1188.8	1200	1200
2024-11-01	1185.4	1188.8	1200	1200
2024-10-01	1185.4	1188.8	1200	1200
2024-09-01	1134.9	1123.6	1200	1200
2024-08-01	1170.1	1165.2	1200	1200
2024-07-01	1182.1	1178.8	1200	1200
2024-06-01	1182.1	1178.8	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	JMC Closed 2025 (U10)	2025-08-09	2025-08-09	Standard	Johannesburg Metro (GJM)	5	5	0.5	Yes	Analysis
2	South African Open 2025 (U10 Girls)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
3	Chess Molecules Open Tournament 2025 (D)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	Chess Power House March Open 2025 (D)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
5	Knight Riders Open Chess Tournament 2025 (U10)	2025-02-22	2025-02-22	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
6	MCA Welcome 2025 (Newcomers)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Closed 2025 (U10)	2025-08-09	2025-08-09	Standard	Johannesburg Metro (GJM)	5	5	0.5	Yes	Analysis
2	South African Open 2025 (U10 Girls)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
3	Chess Molecules Open Tournament 2025 (D)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	Chess Power House March Open 2025 (D)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
5	Knight Riders Open Chess Tournament 2025 (U10)	2025-02-22	2025-02-22	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
6	MCA Welcome 2025 (Newcomers)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
7	JCC Khelo India 1st Annual Chess Tournament 2024 (E)	2024-08-31	2024-08-31	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
8	JMC Closed 2024 (U10)	2024-08-09	2024-08-09	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
9	Fourth Knight Riders Juniors Open Chess Tournament 204 (U10)	2024-08-03	2024-08-03	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
10	Chess Power House July Open 2024 (E)	2024-07-20	2024-07-20	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
11	Chess Power House May Open 2024 (E)	2024-05-25	2024-05-25	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-03	rnd 2	type Standard	result 1	date 2025-07-05	rnd 5	type Standard	result 1
		Opponent Roelofse, G (Gizelle)				Opponent Sithole, L (Luthando)
2	2	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 3	type Standard	result 0.5	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Nyangentsha, K (Khayalethu)				Opponent Liu, K (Kaimi)
3	2	Tournament Knight Riders Open Chess Tournament 2025				Tournament Knight Riders Open Chess Tournament 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Ntshaqa, M (Melokuhle)				Opponent Nkwanyana, O (Owami)

#	Games	Start				End
1	4	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-03	rnd 2	type Standard	result 1	date 2025-07-05	rnd 5	type Standard	result 1
		Opponent Roelofse, G (Gizelle)				Opponent Sithole, L (Luthando)
2	2	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 3	type Standard	result 0.5	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Nyangentsha, K (Khayalethu)				Opponent Liu, K (Kaimi)
3	2	Tournament Knight Riders Open Chess Tournament 2025				Tournament Knight Riders Open Chess Tournament 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Ntshaqa, M (Melokuhle)				Opponent Nkwanyana, O (Owami)

#	Games	Start				End
1	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 4	type Rapid	result 1	date 2025-04-19	rnd 4	type Rapid	result 1
		Opponent Buddha, J (Jayansh)				Opponent Buddha, J (Jayansh)
2	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 1	type Rapid	result 1	date 2025-04-19	rnd 1	type Rapid	result 1
		Opponent Nathoo, T (Tanvir)				Opponent Nathoo, T (Tanvir)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-03	rnd 2	type Standard	result 1	date 2025-07-04	rnd 3	type Standard	result 1
		Opponent Roelofse, G (Gizelle)				Opponent Pilane, O (Ogone)
2	2	Tournament Knight Riders Open Chess Tournament 2025				Tournament Knight Riders Open Chess Tournament 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Ntshaqa, M (Melokuhle)				Opponent Nkwanyana, O (Owami)
3	2	Tournament MCA Welcome 2025				Tournament MCA Welcome 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Liu, K (Kaireen)				Opponent Davison, G (Georgia)

#	Games	Start				End
1	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-03	rnd 2	type Standard	result 1	date 2025-07-04	rnd 3	type Standard	result 1
		Opponent Roelofse, G (Gizelle)				Opponent Pilane, O (Ogone)
2	2	Tournament Knight Riders Open Chess Tournament 2025				Tournament Knight Riders Open Chess Tournament 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Ntshaqa, M (Melokuhle)				Opponent Nkwanyana, O (Owami)
3	2	Tournament MCA Welcome 2025				Tournament MCA Welcome 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Liu, K (Kaireen)				Opponent Davison, G (Georgia)

#	Games	Start				End
1	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 4	type Rapid	result 1	date 2025-04-19	rnd 4	type Rapid	result 1
		Opponent Buddha, J (Jayansh)				Opponent Buddha, J (Jayansh)
2	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 1	type Rapid	result 1	date 2025-04-19	rnd 1	type Rapid	result 1
		Opponent Nathoo, T (Tanvir)				Opponent Nathoo, T (Tanvir)

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	Tester ,L (Legan)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Tester ,L (Legan)	2	1204.8	779.8	2	1203.4	779.8	0	0	0	0	0	0
2	Morgan ,R (Raegan)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Morgan ,R (Raegan)	2	1539.2	1114.2	2	1517.2	1114.2	0	0	0	0	0	0
3	Sahoo ,S (Shaurya)	2	1	0	2	1	0	0	0	0	0	0	0
3	Sahoo ,S (Shaurya)	2	1400.2	1400.2	2	1402.9	1400.2	0	0	0	0	0	0
4	Meijer ,CM (Carlo Marius)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Meijer ,CM (Carlo Marius)	2	1276.6	851.6	2	1263.8	851.6	0	0	0	0	0	0
5	Zhu ,R (Ryan Yuancheng)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Zhu ,R (Ryan Yuancheng)	2	1435.6	1010.6	1	1427.1	1010.6	1	1313	1010.6	0	0	0
6	Gerber ,Z (Zoe)	1	1	425	1	1	425	0	0	0	0	0	0
6	Gerber ,Z (Zoe)	1	1137.8	1562.8	1	1134.6	1562.8	0	0	0	0	0	0
7	Saini ,A (Aarit)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Saini ,A (Aarit)	1	1231.6	806.6	1	1237.7	806.6	0	0	0	0	0	0
8	Sooganchand ,G (Gia)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Sooganchand ,G (Gia)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Pilane ,O (Ogone)	1	1	425	1	1	425	0	0	0	0	0	0
9	Pilane ,O (Ogone)	1	1356.1	1781.1	1	1350.5	1781.1	0	0	0	0	0	0
10	Gupta ,A (Avyan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Gupta ,A (Avyan)	1	1134.3	709.3	1	1126.5	709.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Rodda, T (Tirza)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms