Chess South Africa Ratings Database

PLAYER PAGE

Personal

Dyason, C (Ciana)

Chess SA id

2100145816

FIDE id

Date of birth

2010-06-18 (U16)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1278.7	1285	1200	1200
Raw rating	1264.9	1267.4	1200	1200
Weighted rating	1278.7	1285	1200	1200
Weighted performance	1020.4	1018.9	0	0
Floor	782.8	790.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.2	150.6	165.8	165.8
Highest rating	1512 2022-08-01	1516.3 2022-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1282.8 2024-03-01	1290.2 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1282.8 2025-07-01	1290.2 2025-07-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1512 2022-08-01	1516.3 2022-08-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.2	-1.6	0	0
New rating	1277.4	1283.4	1200	1200
Analysis
Rating	1278.7	1285	1200	1200
Raw rating	1264.9	1267.4	1200	1200
Weighted rating	1278.7	1285	1200
Weighted performance	1020.4	1018.9	0
K-factor	36	36	36	36
Floor	782.8	790.2	700	700
Max/Min rating change allowed	151.2	150.6	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	1264.9	1267.4	1200	1200
New weighted rating	1277.4	1283.4	1200	1200
New weighted performance	1012.9	1011.3	0	0
Temp new rating	1277.4	1283.4	1200	1200
Temp new rating +/-	-1.2	-1.6	0	0
Final new rating +/-	-1.2	-1.6	0	0
New rating	1277.4	1283.4	1200	1200
New K-factor	36	36	36	36
New floor	782.8	790.2	700	700

Item	Main	Standard
	0	0
	5	5
	0	0
	15	15
	5	5
	0	0
History	25	25

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	5	2	40	-85	1273.2	1188.2
Standard	5	2	40	-85	1273.2	1188.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	15	60	85	1244.9	1329.9
Standard	25	15	60	85	1244.9	1329.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1264.9	1267.4	1200	1200
2025-09-30	1264.9	1267.4	1200	1200
2025-09-01	1264.9	1267.4	1200	1200
2025-08-01	1282.8	1290.2	1200	1200
2025-07-01	1282.8	1290.2	1200	1200
2025-06-01	1282.8	1290.2	1200	1200
2025-05-01	1282.8	1290.2	1200	1200
2025-04-01	1282.8	1290.2	1200	1200
2025-03-01	1282.8	1290.2	1200	1200
2025-02-01	1282.8	1290.2	1200	1200
2025-01-01	1282.8	1290.2	1200	1200
2024-12-01	1282.8	1290.2	1200	1200
2024-11-01	1282.8	1290.2	1200	1200
2024-10-01	1282.8	1290.2	1200	1200
2024-09-01	1282.8	1290.2	1200	1200
2024-08-01	1282.8	1290.2	1200	1200
2024-07-01	1282.8	1290.2	1200	1200
2024-09-01	1282.8	1290.2	1200	1200
2024-05-01	1282.8	1290.2	1200	1200
2024-04-01	1282.8	1290.2	1200	1200
2024-03-01	1282.8	1290.2	1200	1200
2024-02-01	1282.8	1290.2	1200	1200
2024-01-01	1282.8	1290.2	1200	1200
2023-12-01	1282.8	1290.2	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 Tshwane South School District CLOSED League Championship (U17A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U17A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2023 Gauteng Top Schools (U13 Girls)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
3	2023 Woman's Day Open Chess Tournament (Knight)	2023-08-09	2023-08-09	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	2023 Tshwane South School District CLOSED Individual Championships (U13 Girls)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	2022 Gauteng Schools Team Championships (U13 Girls)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 1	type Standard	result 1	date 2023-08-18	rnd 4	type Standard	result 1
		Opponent Buthame, K (Keletso)				Opponent Maphuthoma, T (Tshegofatso)
2	3	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 1
		Opponent De Jager, A (Anneke)				Opponent Allison, A (Annabelle)
3	3	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-27	rnd 3	type Standard	result 1	date 2022-08-27	rnd 5	type Standard	result 1
		Opponent Mokoatsi, K (Kgoitsimodimo)				Opponent Motloung, D (Dimakatso)

#	Games	Start				End
1	4	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 1	type Standard	result 1	date 2023-08-18	rnd 4	type Standard	result 1
		Opponent Buthame, K (Keletso)				Opponent Maphuthoma, T (Tshegofatso)
2	3	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 1
		Opponent De Jager, A (Anneke)				Opponent Allison, A (Annabelle)
3	3	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-27	rnd 3	type Standard	result 1	date 2022-08-27	rnd 5	type Standard	result 1
		Opponent Mokoatsi, K (Kgoitsimodimo)				Opponent Motloung, D (Dimakatso)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 1	type Standard	result 1	date 2023-08-18	rnd 4	type Standard	result 1
		Opponent Buthame, K (Keletso)				Opponent Maphuthoma, T (Tshegofatso)
2	3	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 1
		Opponent De Jager, A (Anneke)				Opponent Allison, A (Annabelle)
3	3	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-27	rnd 3	type Standard	result 1	date 2022-08-27	rnd 5	type Standard	result 1
		Opponent Mokoatsi, K (Kgoitsimodimo)				Opponent Motloung, D (Dimakatso)

#	Games	Start				End
1	4	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 1	type Standard	result 1	date 2023-08-18	rnd 4	type Standard	result 1
		Opponent Buthame, K (Keletso)				Opponent Maphuthoma, T (Tshegofatso)
2	3	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 4	type Standard	result 1
		Opponent De Jager, A (Anneke)				Opponent Allison, A (Annabelle)
3	3	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-27	rnd 3	type Standard	result 1	date 2022-08-27	rnd 5	type Standard	result 1
		Opponent Mokoatsi, K (Kgoitsimodimo)				Opponent Motloung, D (Dimakatso)

No games found.

#	Games	Start				End

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	Karsten ,CB (Chay Belle)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Karsten ,CB (Chay Belle)	2	1380.5	955.5	2	1377.5	955.5	0	0	0	0	0	0
2	Tumahole ,L (Lesedi-La-Lethabo)	1	1	425	1	1	425	0	0	0	0	0	0
2	Tumahole ,L (Lesedi-La-Lethabo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Maphoso ,B (Boithabiso)	1	1	425	1	1	425	0	0	0	0	0	0
3	Maphoso ,B (Boithabiso)	1	1336.4	1761.4	1	1326.5	1761.4	0	0	0	0	0	0
4	Mashaba ,S (Sfiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mashaba ,S (Sfiso)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	De Jager ,A (Anneke)	1	1	425	1	1	425	0	0	0	0	0	0
5	De Jager ,A (Anneke)	1	1150.2	1575.2	1	1139.6	1575.2	0	0	0	0	0	0
6	Theron ,L (Lydia)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Theron ,L (Lydia)	1	1284	859	1	1263.5	859	0	0	0	0	0	0
7	De Wet ,RJ (Reuben Jacques)	1	1	425	1	1	425	0	0	0	0	0	0
7	De Wet ,RJ (Reuben Jacques)	1	1050.3	1475.3	1	1065.1	1475.3	0	0	0	0	0	0
8	Allison ,A (Annabelle)	1	1	425	1	1	425	0	0	0	0	0	0
8	Allison ,A (Annabelle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Machika ,B (Buhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Machika ,B (Buhle)	1	1200.6	775.6	1	1223.6	775.6	0	0	0	0	0	0
10	Jooste ,J (Josh)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Jooste ,J (Josh)	1	1453.9	1028.9	1	1448	1028.9	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

Dyason, C (Ciana)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms