Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bilson, O (Oratile)

Chess SA id

2100312182

FIDE id

Date of birth

2010-07-04 (U16)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

10.4

Junior GPX Points

932.7

Item	Main	Standard	Rapid	Blitz
Rating	1183.8	1195.6	1184.1	1200
Raw rating	1145	1145.3	1184.1	1200
Weighted rating	1183.8	1195.6	1182.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	179.3	179.3	169.6	165.8
Highest rating	1200 2024-10-01	1200 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1200 2024-10-01	1200 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1200 2024-10-01	1200 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-10-01	1200 2024-12-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.5	-4.2	0	0
New rating	1180.3	1191.4	1184.1	1200
Analysis
Rating	1183.8	1195.6	1184.1	1200
Raw rating	1145	1145.3	1184.1	1200
Weighted rating	1183.8	1195.6	1182.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	179.3	179.3	169.6	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	1145	1145.3	1184.1	1200
New weighted rating	1180.3	1191.4	1182.3	1200
New weighted performance	0	0	0	0
Temp new rating	1180.3	1191.4	1184.1	1200
Temp new rating +/-	-3.5	-4.2	0	0
Final new rating +/-	-3.5	-4.2	0	0
New rating	1180.3	1191.4	1184.1	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	10	5	5
	5	0	5
	0	0	0
	0	0	0
	0	0	0
History	15	5	10

Games since
	Main 15	Standard 5		Rapid 10		Blitz 0
Gender	Female
Age group	U16
Region	Johannesburg Metro (GJM)
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	10	3	30	-170	1223.9	1053.9
Standard	5	1	20	-255	1200.6	945.6
Rapid	5	2	40	-85	1247.3	1162.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	4	26.67	-198.3	1210.3	1011.9
Standard	5	1	20	-255	1200.6	945.6
Rapid	10	3	30	-170	1215.1	1045.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1145	1145.3	1184.1	1200
2025-09-30	1188.6	1200	1184.1	1200
2025-09-01	1188.6	1200	1184.1	1200
2025-08-01	1188.6	1200	1184.1	1200
2025-07-01	1188.6	1200	1184.1	1200
2025-06-01	1188.6	1200	1184.1	1200
2025-05-01	1188.6	1200	1184	1200
2025-04-01	1189.4	1200	1185.5	1200
2025-03-01	1189.4	1200	1185.5	1200
2025-02-01	1187.6	1200	1183.1	1200
2025-01-01	1158.6	1200	1143.6	1200
2024-12-01	1158.6	1200	1143.6	1200
2024-11-01	1158.6	1200	1143.6	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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 (U15 Girls)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	Chess Molecules Open Tournament 2025 (B)	2025-04-19	2025-04-19	Rapid	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	2025 Gauteng Top Schools Teams (U15 Girls)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	Chess Molecules Open Tournament 2025 (B)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	Gauteng Top Schools 2024 (U19 Girls)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 3	type Rapid	result 1	date 2025-04-19	rnd 4	type Rapid	result 1
		Opponent Kambarran, A (Amira)				Opponent Maseko, W (Warda)
2	1	Tournament 2025 Gauteng Top Schools Teams				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-30	rnd 4	type Standard	result 1	date 2025-08-30	rnd 4	type Standard	result 1
		Opponent Seemela, O (Otsile)				Opponent Seemela, O (Otsile)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 2	type Rapid	result 1	date 2024-10-05	rnd 2	type Rapid	result 1
		Opponent Nkomo, K (Khanyisile)				Opponent Nkomo, K (Khanyisile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 3	type Rapid	result 1	date 2025-04-19	rnd 4	type Rapid	result 1
		Opponent Kambarran, A (Amira)				Opponent Maseko, W (Warda)
2	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 2	type Rapid	result 1	date 2024-10-05	rnd 2	type Rapid	result 1
		Opponent Nkomo, K (Khanyisile)				Opponent Nkomo, K (Khanyisile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 3	type Rapid	result 1	date 2025-04-19	rnd 4	type Rapid	result 1
		Opponent Kambarran, A (Amira)				Opponent Maseko, W (Warda)
2	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 2	type Rapid	result 1	date 2024-10-05	rnd 2	type Rapid	result 1
		Opponent Nkomo, K (Khanyisile)				Opponent Nkomo, K (Khanyisile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 3	type Rapid	result 1	date 2025-04-19	rnd 4	type Rapid	result 1
		Opponent Kambarran, A (Amira)				Opponent Maseko, W (Warda)
2	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 2	type Rapid	result 1	date 2024-10-05	rnd 2	type Rapid	result 1
		Opponent Nkomo, K (Khanyisile)				Opponent Nkomo, K (Khanyisile)

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	Seemela ,O (Otsile)	1	1	425	1	1	425	0	0	0	0	0	0
1	Seemela ,O (Otsile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Ntuli ,R (Reabetswe)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Ntuli ,R (Reabetswe)	1	1193.4	768.4	1	1200	768.4	0	0	0	0	0	0
3	Ramothibe ,BG (Bonolo Gosiame)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Ramothibe ,BG (Bonolo Gosiame)	1	1222.1	797.1	1	1238.4	797.1	0	0	0	0	0	0
4	Rikhotso ,A (Amukelani)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Rikhotso ,A (Amukelani)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Ngobeni ,L (Lesedi)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ngobeni ,L (Lesedi)	1	1187.3	762.3	1	1185.3	762.3	0	0	0	0	0	0
6	Rizvi ,A (Anam)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Rizvi ,A (Anam)	1	1114.3	689.3	0	0	0	1	1200	689.3	0	0	0
7	Ndlovu ,K (Khanyisile)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Ndlovu ,K (Khanyisile)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Maseko ,W (Warda)	1	1	425	0	0	0	1	1	425	0	0	0
8	Maseko ,W (Warda)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Onyekwere ,F (Favor)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Onyekwere ,F (Favor)	1	1257.4	832.4	0	0	0	1	1257.9	832.4	0	0	0
10	Mann ,L (Leane)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Mann ,L (Leane)	1	1439.1	1014.1	0	0	0	1	1295.8	1014.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Bilson, O (Oratile)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms