Chess South Africa Ratings Database

PLAYER PAGE

Personal

Posthumus, S (Stephen)

Chess SA id

1100138623

FIDE id

Date of birth

2010-03-01 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-02-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1213.5	1233.6	1155.6	1200
Raw rating	1213.5	1233.6	1155.6	1200
Weighted rating	1213.5	1233.6	1155.6	1200
Weighted performance	0	0	0	0
Floor	713.5	733.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.7	158.1	176.6	165.8
Highest rating	1213.5 2024-02-01	1320.8 2023-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1213.5 2024-02-01	1233.6 2024-02-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1213.5 2025-02-01	1233.6 2025-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1320.8 2023-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1213.5	1233.6	1155.6	1200
Analysis
Rating	1213.5	1233.6	1155.6	1200
Raw rating	1213.5	1233.6	1155.6	1200
Weighted rating	1213.5	1233.6	1155.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	713.5	733.6	700	700
Max/Min rating change allowed	162.7	158.1	176.6	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	1213.5	1233.6	1155.6	1200
New weighted rating	1213.5	1233.6	1155.6	1200
New weighted performance	0	0	0	0
Temp new rating	1213.5	1233.6	1155.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1213.5	1233.6	1155.6	1200
New K-factor	36	36	36	36
New floor	713.5	733.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	6	6	0
	10	0	10
	0	0	0
History	16	6	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	16	7.5	46.88	-26.6	1216.5	1190
Standard	6	3.5	58.33	70.8	1264.8	1335.6
Rapid	10	4	40	-85	1187.6	1102.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1213.5	1233.6	1155.6	1200
2025-09-01	1213.5	1233.6	1155.6	1200
2025-08-01	1213.5	1233.6	1155.6	1200
2025-07-01	1213.5	1233.6	1155.6	1200
2025-06-01	1213.5	1233.6	1155.6	1200
2025-05-01	1213.5	1233.6	1155.6	1200
2025-04-01	1213.5	1233.6	1155.6	1200
2025-03-01	1213.5	1233.6	1155.6	1200
2025-02-01	1213.5	1233.6	1155.6	1200
2025-01-01	1213.5	1233.6	1155.6	1200
2024-12-01	1213.5	1233.6	1155.6	1200
2024-11-01	1213.5	1233.6	1155.6	1200
2024-10-01	1213.5	1233.6	1155.6	1200
2024-09-01	1213.5	1233.6	1155.6	1200
2024-08-01	1213.5	1233.6	1155.6	1200
2024-07-01	1213.5	1233.6	1155.6	1200
2024-06-01	1213.5	1233.6	1155.6	1200
2024-08-01	1213.5	1233.6	1155.6	1200
2024-04-01	1213.5	1233.6	1155.6	1200
2024-03-01	1213.5	1233.6	1155.6	1200
2024-02-01	1213.5	1233.6	1155.6	1200
2024-01-01	1213.5	1233.6	1155.6	1200
2023-12-01	1213.5	1233.6	1155.6	1200
2023-11-01	1213.5	1233.6	1155.6	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	North District School Trials 2023 (U13 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
2	Metro Rapid 2022 (U13 Boys)	2022-10-22	2022-10-22	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
3	District North 2022 (U13)	2022-03-05	2022-03-05	Rapid	Cape Town (WCT)	6	5	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Metro Rapid 2022				Tournament North District School Trials 2023
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Rubusana, A (Anda)				Opponent Smit, D (Danie)
2	3	Tournament District North 2022				Tournament Metro Rapid 2022
		date 2022-03-05	rnd 6	type Rapid	result 1	date 2022-10-22	rnd 2	type Rapid	result 1
		Opponent Mxuma, L (Lunika)				Opponent Jawoodien, A (Aziz)
3	1	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-04	rnd 6	type Standard	result 0.5	date 2023-02-04	rnd 6	type Standard	result 0.5
		Opponent Dominique, K (Kabeya Glory)				Opponent Dominique, K (Kabeya Glory)

#	Games	Start				End
1	2	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Marks, S (Shaydin)				Opponent Smit, D (Danie)
2	1	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-04	rnd 6	type Standard	result 0.5	date 2023-02-04	rnd 6	type Standard	result 0.5
		Opponent Dominique, K (Kabeya Glory)				Opponent Dominique, K (Kabeya Glory)
3	1	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-04	rnd 4	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Faure, D (Douglas)				Opponent Faure, D (Douglas)

#	Games	Start				End
1	3	Tournament District North 2022				Tournament Metro Rapid 2022
		date 2022-03-05	rnd 6	type Rapid	result 1	date 2022-10-22	rnd 2	type Rapid	result 1
		Opponent Mxuma, L (Lunika)				Opponent Jawoodien, A (Aziz)
2	1	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Rubusana, A (Anda)				Opponent Rubusana, A (Anda)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Metro Rapid 2022				Tournament North District School Trials 2023
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Rubusana, A (Anda)				Opponent Smit, D (Danie)
2	3	Tournament District North 2022				Tournament Metro Rapid 2022
		date 2022-03-05	rnd 6	type Rapid	result 1	date 2022-10-22	rnd 2	type Rapid	result 1
		Opponent Mxuma, L (Lunika)				Opponent Jawoodien, A (Aziz)
3	1	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-04	rnd 4	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Faure, D (Douglas)				Opponent Faure, D (Douglas)

#	Games	Start				End
1	2	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Marks, S (Shaydin)				Opponent Smit, D (Danie)
2	1	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-04	rnd 4	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Faure, D (Douglas)				Opponent Faure, D (Douglas)

#	Games	Start				End
1	3	Tournament District North 2022				Tournament Metro Rapid 2022
		date 2022-03-05	rnd 6	type Rapid	result 1	date 2022-10-22	rnd 2	type Rapid	result 1
		Opponent Mxuma, L (Lunika)				Opponent Jawoodien, A (Aziz)
2	1	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Rubusana, A (Anda)				Opponent Rubusana, A (Anda)

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	Marks ,S (Shaydin)	1	1	425	1	1	425	0	0	0	0	0	0
1	Marks ,S (Shaydin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Dominique ,K (Kabeya Glory)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Dominique ,K (Kabeya Glory)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
3	Priestley ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Priestley ,L (Liam)	1	1364.9	939.9	1	1319	939.9	0	0	0	0	0	0
4	Braaf ,J (Jordan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Braaf ,J (Jordan)	1	1424	999	1	1372.5	999	0	0	0	0	0	0
5	Faure ,D (Douglas)	1	1	425	1	1	425	0	0	0	0	0	0
5	Faure ,D (Douglas)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Smit ,D (Danie)	1	1	425	1	1	425	0	0	0	0	0	0
6	Smit ,D (Danie)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Mxuma ,L (Lunika)	1	1	425	0	0	0	1	1	425	0	0	0
7	Mxuma ,L (Lunika)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Kwali ,L (Liyabona)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Kwali ,L (Liyabona)	1	1238.5	813.5	0	0	0	1	1233.4	813.5	0	0	0
9	Jacobs ,R (Raidon)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Jacobs ,R (Raidon)	1	1115.1	690.1	0	0	0	1	595.4	690.1	0	0	0
10	Rubusana ,A (Anda)	1	1	425	0	0	0	1	1	425	0	0	0
10	Rubusana ,A (Anda)	1	1125.2	1550.2	0	0	0	1	1128.4	1550.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Posthumus, S (Stephen)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms