Chess South Africa Ratings Database

PLAYER PAGE

Personal

Adumasi, S (Sihle)

Chess SA id

1120325622

FIDE id

Date of birth

2012-08-28 (U14)

Gender

Male

Region

Ekurhuleni (GE)

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	1189.1	1187.1	1200	1200
Raw rating	1152.7	1143.9	1200	1200
Weighted rating	1189.1	1187.1	1200	1200
Weighted performance	0	0	0	0
Floor	699	699	700	700
K-factor	40	40	40	40
Min/Max rating change allowed	177.4	179.6	165.8	165.8
Highest rating	1199 2025-08-23	1199 2025-08-23	1199 2025-08-23	1199 2025-08-23
Highest raw rating	1199 2025-08-23	1199 2025-08-23	1199 2025-08-23	1199 2025-08-23
Highest weighted rating	1196.2 2025-09-01	1195.5 2025-09-01	0 2025-08-23	0 2025-08-23
Highest weighted performance	0 2025-08-23	0 2025-08-23	0 2025-08-23	0 2025-08-23

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.3	-3.9	0	0
New rating	1185.8	1183.2	1200	1200
Analysis
Rating	1189.1	1187.1	1200	1200
Raw rating	1152.7	1143.9	1200	1200
Weighted rating	1189.1	1187.1	1200
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	699	699	700	700
Max/Min rating change allowed	177.4	179.6	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	1152.7	1143.9	1200	1200
New weighted rating	1185.8	1183.2	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1185.8	1183.2	1200	1200
Temp new rating +/-	-3.3	-3.9	0	0
Final new rating +/-	-3.3	-3.9	0	0
New rating	1185.8	1183.2	1200	1200
New K-factor	40	40	36	36
New floor	699	699	700	700

Item	Main	Standard
	0	0
	4	4
	0	0
	0	0
	0	0
	0	0
History	4	4

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	M
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-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	4	0.5	12.5	-318.8	1216	897.2
Standard	4	0.5	12.5	-318.8	1216	897.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	4	0.5	12.5	-318.8	1216	897.2
Standard	4	0.5	12.5	-318.8	1216	897.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1152.7	1143.9	1200	1200
2025-09-30	1152.7	1143.9	1200	1200
2025-09-01	1152.7	1143.9	1200	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	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	D5 Teams 2025 (U13 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	0.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	D5 Teams 2025 (U13 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	1	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 2	type Standard	result 0.5	date 2025-08-16	rnd 2	type Standard	result 0.5
		Opponent Slabbert, A (Amele)				Opponent Slabbert, A (Amele)

#	Games	Start				End
1	1	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 2	type Standard	result 0.5	date 2025-08-16	rnd 2	type Standard	result 0.5
		Opponent Slabbert, A (Amele)				Opponent Slabbert, A (Amele)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

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	Smuts ,W (Wessel)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Smuts ,W (Wessel)	1	1231.3	806.3	1	1241.3	806.3	0	0	0	0	0	0
2	Smith ,L (Lana)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Smith ,L (Lana)	1	1232.5	807.5	1	1242.5	807.5	0	0	0	0	0	0
3	Tyler ,L (Lay)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Tyler ,L (Lay)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Slabbert ,A (Amele)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Slabbert ,A (Amele)	1	1200	1200	1	1200	1200	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

Adumasi, S (Sihle)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms