Chess South Africa Ratings Database

PLAYER PAGE

Personal

Postelnicu, S (Stephan)

Chess SA id

1120307288

FIDE id

Date of birth

2012-07-09 (U14)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

20.7

Junior GPX Points

1262.4

Item	Main	Standard	Rapid	Blitz
Rating	1268.2	1256.3	1260.4	1200
Raw rating	1268.2	1256.3	1260.4	1200
Weighted rating	1244.6	1230.6	1244.7	1200
Weighted performance	1187.9	0	0	0
Floor	771	756.3	760.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	150.5	153	152.1	165.8
Highest rating	1464.9 2024-11-01	1256.3 2025-04-01	1460.5 2024-11-01	1200 2024-10-01
Highest raw rating	1271 2025-03-01	1256.3 2025-04-01	1260.4 2024-11-01	1200 2024-10-01
Highest weighted rating	1237.7 2025-08-01	1224 2025-08-01	1239.3 2025-08-01	1200 2024-10-01
Highest weighted performance	1464.9 2024-11-01	1200 2024-10-01	1460.5 2024-11-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1268.2	1256.3	1260.4	1200
Analysis
Rating	1268.2	1256.3	1260.4	1200
Raw rating	1268.2	1256.3	1260.4	1200
Weighted rating	1244.6	1230.6	1244.7
Weighted performance	1187.9	0	0
K-factor	36	36	36	36
Floor	771	756.3	760.4	700
Max/Min rating change allowed	150.5	153	152.1	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	1268.2	1256.3	1260.4	1200
New weighted rating	1247.8	1233.6	1247.1	1200
New weighted performance	1186.6	0	0	0
Temp new rating	1268.2	1256.3	1260.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1268.2	1256.3	1260.4	1200
New K-factor	36	36	36	36
New floor	771	756.3	760.4	700

Item	Main	Standard	Rapid
	0	0	0
	19	19	0
	5	0	5
	0	0	0
	0	0	0
	0	0	0
History	24	19	5

Games since
	Main 24	Standard 19		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	19	9	47.37	-22.4	1325	1302.6
Standard	19	9	47.37	-22.4	1325	1302.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	24	13	54.17	35.4	1317.7	1353.1
Standard	19	9	47.37	-22.4	1325	1302.6
Rapid	5	4	80	255	1290.1	1545.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1268.2	1256.3	1260.4	1200
2025-09-01	1268.2	1256.3	1260.4	1200
2025-08-01	1268.2	1256.3	1260.4	1200
2025-07-01	1268.2	1256.3	1260.4	1200
2025-06-01	1268.2	1256.3	1260.4	1200
2025-05-01	1268.2	1256.3	1260.4	1200
2025-04-01	1268.2	1256.3	1260.4	1200
2025-03-01	1271	1253.2	1260.4	1200
2025-02-01	1237.2	1200	1260.4	1200
2025-01-01	1237.2	1200	1260.4	1200
2024-12-01	1237.2	1200	1260.4	1200
2024-11-01	1237.2	1200	1260.4	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
2024-06-01	1200	1200	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	Eden Schools Chess Trials 1 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	4	1	Yes	Analysis
2	George Schools Chess Trials 3 2025 (U13 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	George Schools Chess Trials 2 2025 (U13 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	George Schools Chess Trials 1 2025 (U13 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Schools Chess Trials 1 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	4	1	Yes	Analysis
2	George Schools Chess Trials 3 2025 (U13 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	George Schools Chess Trials 2 2025 (U13 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	George Schools Chess Trials 1 2025 (U13 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	George Suid Senior Skaaktoernooi 2024	2024-10-26	2024-10-26	Rapid	Eden (WEG)	5	5	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 3	type Rapid	result 1
		Opponent Prins, A (Annike)				Opponent Singaga, P (Princess)
2	2	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Sampson, E (Eejay)				Opponent Harris, C (Chris Junior)
3	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Meyer, D (Divan)				Opponent Meyer, D (Divan)

#	Games	Start				End
1	2	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Sampson, E (Eejay)				Opponent Harris, C (Chris Junior)
2	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Meyer, D (Divan)				Opponent Meyer, D (Divan)
3	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Hellerle, D (Duncan)				Opponent Steenberg, H (Hendre)

#	Games	Start				End
1	3	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 3	type Rapid	result 1
		Opponent Prins, A (Annike)				Opponent Singaga, P (Princess)
2	1	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 5	type Rapid	result 1	date 2024-10-26	rnd 5	type Rapid	result 1
		Opponent Scott, W (William)				Opponent Scott, W (William)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 3	type Rapid	result 1
		Opponent Prins, A (Annike)				Opponent Singaga, P (Princess)
2	2	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Sampson, E (Eejay)				Opponent Harris, C (Chris Junior)
3	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Meyer, D (Divan)				Opponent Meyer, D (Divan)

#	Games	Start				End
1	2	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Sampson, E (Eejay)				Opponent Harris, C (Chris Junior)
2	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Meyer, D (Divan)				Opponent Meyer, D (Divan)
3	2	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Hellerle, D (Duncan)				Opponent Steenberg, H (Hendre)

#	Games	Start				End
1	3	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 3	type Rapid	result 1
		Opponent Prins, A (Annike)				Opponent Singaga, P (Princess)
2	1	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 5	type Rapid	result 1	date 2024-10-26	rnd 5	type Rapid	result 1
		Opponent Scott, W (William)				Opponent Scott, W (William)

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	Steenberg ,H (Hendre)	2	1	0	2	1	0	0	0	0	0	0	0
1	Steenberg ,H (Hendre)	2	1416.6	1416.6	2	1400.4	1416.6	0	0	0	0	0	0
2	Meyer ,D (Divan)	2	2	425	2	2	425	0	0	0	0	0	0
2	Meyer ,D (Divan)	2	1194.1	1619.1	2	1193.3	1619.1	0	0	0	0	0	0
3	Bantom ,H (Haywon)	1	1	425	1	1	425	0	0	0	0	0	0
3	Bantom ,H (Haywon)	1	1257.2	1682.2	1	1250	1682.2	0	0	0	0	0	0
4	Kachingwe ,R (Raymond)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Kachingwe ,R (Raymond)	1	1216.1	791.1	1	1236.4	791.1	0	0	0	0	0	0
5	Chiadzwa ,A (Anoint)	1	1	425	1	1	425	0	0	0	0	0	0
5	Chiadzwa ,A (Anoint)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Sampson ,E (Eejay)	1	1	425	1	1	425	0	0	0	0	0	0
6	Sampson ,E (Eejay)	1	1385.3	1810.3	1	1383.5	1810.3	0	0	0	0	0	0
7	Kajiwa ,I (Irvin)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kajiwa ,I (Irvin)	1	1327.1	902.1	1	1349.1	902.1	0	0	0	0	0	0
8	Hellerle ,D (Duncan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Hellerle ,D (Duncan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Janse Van Rensburg ,J (Jacob)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Janse Van Rensburg ,J (Jacob)	1	1249	824	1	1257.5	824	0	0	0	0	0	0
10	Coleman ,F (Ferdinand)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Coleman ,F (Ferdinand)	1	1552	1127	1	1540.5	1127	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Postelnicu, S (Stephan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms