Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, S (Stefiano)

Chess SA id

1170193202

FIDE id

Date of birth

2017-06-30 (U10)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1161.3

Item	Main	Standard	Rapid	Blitz
Rating	1070.7	1069	1200	1200
Raw rating	1070.7	1069	1200	1200
Weighted rating	1025.7	1009.7	1200	1200
Weighted performance	1010.8	1012.3	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	199.4	199.8	165.8	165.8
Highest rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1070.7	1069	1200	1200
Analysis
Rating	1070.7	1069	1200	1200
Raw rating	1070.7	1069	1200	1200
Weighted rating	1025.7	1009.7	1200
Weighted performance	1010.8	1012.3	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	199.4	199.8	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	1070.7	1069	1200	1200
New weighted rating	1028.3	1013.5	1200	1200
New weighted performance	1010.5	1012	0	0
Temp new rating	1070.7	1069	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1070.7	1069	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	24	24
	22	22
	0	0
	0	0
	0	0
History	46	46

Games since
	Main 46	Standard 46		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4400		1475		395
Male	3219		990		258
U10	435		150		52
U10 Male	322		102		35
Standard
	RSA		Province		Region
Overall	4350		1212		452
Male	3174		789		282
U10	432		121		57
U10 Male	329		85		39
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	24	9	37.5	-106.2	1219.3	1113
Standard	24	9	37.5	-106.2	1219.3	1113
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	46	10	21.74	-240.2	1182.7	942.5
Standard	46	10	21.74	-240.2	1182.7	942.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1070.7	1069	1200	1200
2025-09-01	1070.7	1069	1200	1200
2025-08-01	1070.7	1069	1200	1200
2025-07-01	1070.7	1069	1200	1200
2025-06-01	1070.7	1069	1200	1200
2025-05-01	1070.7	1069	1200	1200
2025-04-01	1065.8	1060.8	1200	1200
2025-03-01	1049.5	1035.9	1200	1200
2025-02-01	1016.4	990.5	1200	1200
2025-01-01	932	896.4	1200	1200
2024-12-01	932	896.4	1200	1200
2024-11-01	932	896.4	1200	1200
2024-10-01	932	896.4	1200	1200
2024-09-01	932	896.4	1200	1200
2024-08-01	932	896.4	1200	1200
2024-07-01	932	896.4	1200	1200
2024-06-01	932	896.4	1200	1200
2024-08-01	941	894.8	1200	1200
2024-04-01	1067.5	1039.2	1200	1200
2024-03-01	1114.3	1094.8	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 Chess Trials 2 2025 (U10)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	3.5	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	4	1	Yes	Analysis
3	Oudussa Trials 2025 (U7+U9)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
4	Oudussa Trials 2 2025 (U7+U9 Boys+Girls)	2025-02-08	2025-02-08	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Chess Trials 2 2025 (U10)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	3.5	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	4	1	Yes	Analysis
3	Oudussa Trials 2025 (U7+U9)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
4	Oudussa Trials 2 2025 (U7+U9 Boys+Girls)	2025-02-08	2025-02-08	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
5	Western Cape PS Individuals Championship 2024 (U7 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	1	Yes	Analysis
6	Eden Chess Trials 2 2024 (U8)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	9	0	Yes	Analysis
7	Eden School Chess Trials 1 2024 (U7 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	3	0	Yes	Analysis
8	OUDUSSA Trials 2 2024 (U7+U9 Boys+Girls)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	4	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 8	type Standard	result 1	date 2025-04-12	rnd 9	type Standard	result 0.5
		Opponent Abukwa, M (Maseka)				Opponent Codier, A (Aidan)
2	2	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2025
		date 2025-02-08	rnd 5	type Standard	result 0.5	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Briekwa, L (Lucian)				Opponent Lindt, R (Rumisha)
3	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 6	type Standard	result 1	date 2025-04-12	rnd 6	type Standard	result 1
		Opponent Goliath, D (Denronique)				Opponent Goliath, D (Denronique)

#	Games	Start				End
1	2	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 8	type Standard	result 1	date 2025-04-12	rnd 9	type Standard	result 0.5
		Opponent Abukwa, M (Maseka)				Opponent Codier, A (Aidan)
2	2	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2025
		date 2025-02-08	rnd 5	type Standard	result 0.5	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Briekwa, L (Lucian)				Opponent Lindt, R (Rumisha)
3	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 6	type Standard	result 1	date 2025-04-12	rnd 6	type Standard	result 1
		Opponent Goliath, D (Denronique)				Opponent Goliath, D (Denronique)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 8	type Standard	result 1	date 2025-04-12	rnd 8	type Standard	result 1
		Opponent Abukwa, M (Maseka)				Opponent Abukwa, M (Maseka)
2	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 6	type Standard	result 1	date 2025-04-12	rnd 6	type Standard	result 1
		Opponent Goliath, D (Denronique)				Opponent Goliath, D (Denronique)
3	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 2	type Standard	result 1	date 2025-03-15	rnd 2	type Standard	result 1
		Opponent Koppies, U (Unako)				Opponent Koppies, U (Unako)

#	Games	Start				End
1	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 8	type Standard	result 1	date 2025-04-12	rnd 8	type Standard	result 1
		Opponent Abukwa, M (Maseka)				Opponent Abukwa, M (Maseka)
2	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-04-12	rnd 6	type Standard	result 1	date 2025-04-12	rnd 6	type Standard	result 1
		Opponent Goliath, D (Denronique)				Opponent Goliath, D (Denronique)
3	1	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 2	type Standard	result 1	date 2025-03-15	rnd 2	type Standard	result 1
		Opponent Koppies, U (Unako)				Opponent Koppies, U (Unako)

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	Muller ,D (Darryn)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Muller ,D (Darryn)	2	1136.4	711.4	2	1123	711.4	0	0	0	0	0	0
2	Lindt ,R (Rumisha)	2	2	425	2	2	425	0	0	0	0	0	0
2	Lindt ,R (Rumisha)	2	1197.7	1622.7	2	1197.2	1622.7	0	0	0	0	0	0
3	Bruiners ,J (Jeanne)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Bruiners ,J (Jeanne)	2	1167.7	742.7	2	1161	742.7	0	0	0	0	0	0
4	Codier ,A (Aidan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Codier ,A (Aidan)	2	1207.3	1419.8	2	1208.7	1419.8	0	0	0	0	0	0
5	Saayman ,N (Nicolin)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Saayman ,N (Nicolin)	2	1049.1	624.1	2	1021.4	624.1	0	0	0	0	0	0
6	Kotze ,B (Barend)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Kotze ,B (Barend)	2	1215.4	790.4	2	1214.6	790.4	0	0	0	0	0	0
7	Muller ,E (Esra)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Muller ,E (Esra)	1	1296.8	871.8	1	1300.4	871.8	0	0	0	0	0	0
8	Suka ,L (Liyema)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Suka ,L (Liyema)	1	1198.4	773.4	1	1198.1	773.4	0	0	0	0	0	0
9	Gelant ,L (Lukandrick)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Gelant ,L (Lukandrick)	1	982.2	557.2	1	942.8	557.2	0	0	0	0	0	0
10	Bewee ,K (Kaylin)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Bewee ,K (Kaylin)	1	1200	775	1	1199.9	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jacobs, S (Stefiano)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms