Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, A (Aiden-Lee)

Chess SA id

1090143089

FIDE id

Date of birth

2009-02-01 (U18)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

36.7

Junior GPX Points

1416.1

Item	Main	Standard	Rapid	Blitz
Rating	1541.6	1532.9	1398.5	1200
Raw rating	1541.6	1532.9	1398.5	1200
Weighted rating	1471.1	1435.3	1397.4	1200
Weighted performance	1520.1	1518.5	1292.1	0
Floor	1041.6	1032.9	929.6	700
K-factor	32	32	32	36
Min/Max rating change allowed	101.9	103.2	125	165.8
Highest rating	1541.6 2025-09-30	1660.3 2024-03-01	1434.3 2024-07-01	1200 2018-10-01
Highest raw rating	1541.6 2025-09-30	1532.9 2025-09-30	1429.6 2025-03-01	1200 2024-02-01
Highest weighted rating	1460.4 2025-09-30	1421.9 2025-09-30	1391.5 2025-09-01	1200 2018-10-01
Highest weighted performance	1537.4 2025-09-30	1660.3 2024-03-01	1434.3 2024-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	1	0
New rating	1541.6	1532.9	1399.5	1200
Analysis
Rating	1541.6	1532.9	1398.5	1200
Raw rating	1541.6	1532.9	1398.5	1200
Weighted rating	1471.1	1435.3	1397.4
Weighted performance	1520.1	1518.5	1292.1
K-factor	32	32	32	36
Floor	1041.6	1032.9	929.6	700
Max/Min rating change allowed	101.9	103.2	125	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	1541.6	1532.9	1398.5	1200
New weighted rating	1480.8	1447.6	1399.5	1200
New weighted performance	1510.8	1509.2	1283.7	0
Temp new rating	1541.6	1532.9	1399.5	1200
Temp new rating +/-	0	0	1	0
Final new rating +/-	0	0	1	0
New rating	1541.6	1532.9	1399.5	1200
New K-factor	32	32	32	36
New floor	1041.6	1032.9	929.6	700

Item	Main	Standard	Rapid
	0	0	0
	37	23	14
	51	21	30
	4	0	4
	5	0	5
	0	0	0
History	97	44	53

Games since
	Main 88	Standard 44		Rapid 44		Blitz 0
Gender	Male
Age group	U18
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	973		300		15
Male	855		260		13
U18	148		45		5
U18 Male	131		39		5
Standard
	RSA		Province		Region
Overall	983		271		14
Male	855		230		12
U18	147		40		5
U18 Male	131		35		5
Rapid
	RSA		Province		Region
Overall	531		270		57
Male	457		231		42
U18	58		32		13
U18 Male	52		29		11
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	37	23	62.16	103.4	1456.6	1559.9
Standard	23	14.5	63.04	110.9	1498.1	1609
Rapid	14	8.5	60.71	91.1	1388.3	1479.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	97	63	64.95	127.1	1380.8	1507.8
Standard	44	28	63.64	115.9	1488.1	1604
Rapid	53	35	66.04	136.3	1291.7	1428
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1541.6	1532.9	1398.5	1200
2025-09-30	1541.6	1532.9	1398.5	1200
2025-09-01	1516.9	1503.5	1398.5	1200
2025-08-01	1530.4	1503.5	1412	1200
2025-07-01	1510.2	1461.5	1429.6	1200
2025-06-01	1510.2	1461.5	1429.6	1200
2025-05-01	1510.2	1461.5	1429.6	1200
2025-04-01	1482.4	1423.3	1429.6	1200
2025-03-01	1466.9	1424.3	1429.6	1200
2025-02-01	1446	1424.3	1388.9	1200
2025-01-01	1446	1424.3	1388.9	1200
2024-12-01	1446	1424.3	1388.9	1200
2024-11-01	1410.1	1407	1347.3	1200
2024-10-01	1410.1	1407	1347.3	1200
2024-09-01	1424.9	1345.1	1418.7	1200
2024-08-01	1407.2	1313.4	1418.7	1200
2024-07-01	1401.1	1313.4	1393.1	1200
2024-09-01	1401.1	1313.4	1393.1	1200
2024-05-01	1365.3	1313.4	1318.6	1200
2024-04-01	1365.3	1313.4	1318.6	1200
2024-03-01	1282.8	1200	1318.6	1200
2024-02-01	1228.2	1200	1240.5	1200
2024-01-01	1228.2	1200	1240.5	1200
2023-12-01	1228.2	1200	1240.5	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	Western Cape Schools - Top Schools 2025 (U17)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
2	Pedro Booyse Top Schools 2025 (U17)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	4	1	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U17+U19)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
4	Deep Blue Open 2025 (A)	2025-06-21	2025-06-21	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
5	Western Cape Schools Individual Championship 2025 (U17 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
6	West Coast Schools Chess Prestige 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
7	Upper West Coast Presrige 2025 (U17 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U17)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
2	Pedro Booyse Top Schools 2025 (U17)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	4	1	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U17+U19)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
4	Deep Blue Open 2025 (A)	2025-06-21	2025-06-21	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
5	Western Cape Schools Individual Championship 2025 (U17 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
6	West Coast Schools Chess Prestige 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
7	Upper West Coast Presrige 2025 (U17 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	4.5	Yes	Analysis
8	PR Booyse Standard Tournament 2024 (Elite)	2024-11-02	2024-11-02	Standard	West Coast (WCU)	5	5	2.5	Yes	Analysis
9	West Coast Grand Challange League 2024 (HS Champions)	2024-10-26	2024-10-26	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
10	Western Cape Top Schools Championship 2024 (U15 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	3.5	Yes	Analysis
11	The Rooibos Open 2024 (Elite)	2024-08-24	2024-08-24	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis
12	Pedro Booyse Top Schools Championships 2024 (U15)	2024-07-20	2024-07-20	Standard	West Coast (WCU)	5	4	3	Yes	Analysis
13	Pedro Booyse Annual Rapid 2024 (Open)	2024-07-06	2024-07-06	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
14	Bo-Weskus Skole Skaak Top Skole 2024 (O15)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	5	Yes	Analysis
15	Western Cape HS Individuals Championship 2024 (U15 Boys)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	4.5	Yes	Analysis
16	West Coast Schools Chess Prestige Championships 2024 (U15 Boys)	2024-02-24	2024-02-24	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
17	Bo-Weskus Skole Prestige 2024 (O15 Seuns)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
18	Upper West Coast Top Schools Championship 2023 (High School)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
19	Bo-Weskus Top Skole 2022 (O13)	2022-06-11	2022-06-11	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	11	Tournament Western Cape HS Individuals Championship 2024				Tournament Pedro Booyse Annual Rapid 2024
		date 2024-03-21	rnd 2	type Standard	result 1	date 2024-07-06	rnd 1	type Rapid	result 1
		Opponent Rossel, L (Louis)				Opponent Titus, S (Sonay)
2	10	Tournament Upper West Coast Presrige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Julie, D (Drueschen)				Opponent Berend, L (Luciano)
3	8	Tournament West Coast Grand Challange League 2024				Tournament PR Booyse Standard Tournament 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-11-02	rnd 3	type Standard	result 1
		Opponent Lenee, G (Gauis)				Opponent Schroeder, L (Liam)

#	Games	Start				End
1	7	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-08-30	rnd 4	type Standard	result 1
		Opponent Syster, M (Macneil)				Opponent Scholtz, H (Hanko)
2	5	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Van Rooi, C (Curtley)				Opponent Berend, L (Luciano)
3	5	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-21	rnd 2	type Standard	result 1	date 2024-03-22	rnd 6	type Standard	result 0.5
		Opponent Rossel, L (Louis)				Opponent Scholtz, H (Hanko)

#	Games	Start				End
1	11	Tournament West Coast Grand Challange League 2024				Tournament Upper West Coast Top Schools 2025
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2025-06-14	rnd 1	type Rapid	result 1
		Opponent Lenee, G (Gauis)				Opponent Maarman, C (Christiano)
2	6	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Pedro Booyse Annual Rapid 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-07-06	rnd 1	type Rapid	result 1
		Opponent Schack, M (Miche)				Opponent Titus, S (Sonay)
3	4	Tournament Pedro Booyse Annual Rapid 2024				Tournament The Rooibos Open 2024
		date 2024-07-06	rnd 3	type Rapid	result 1	date 2024-08-24	rnd 1	type Rapid	result 1
		Opponent Hugo, B (Benjamin)				Opponent Van Wyk, E (Ebrahim)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Pedro Booyse Annual Rapid 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-07-06	rnd 1	type Rapid	result 1
		Opponent Schack, M (Miche)				Opponent Titus, S (Sonay)
2	4	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Julie, D (Drueschen)				Opponent Van Der Westhuizen, L (Linkin)
3	4	Tournament Pedro Booyse Top Schools Championships 2024				Tournament The Rooibos Open 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-08-24	rnd 1	type Rapid	result 1
		Opponent Syster, M (Macneil)				Opponent Van Wyk, E (Ebrahim)

#	Games	Start				End
1	4	Tournament Western Cape Schools Individual Championship 2025				Tournament Deep Blue Open 2025
		date 2025-04-27	rnd 6	type Standard	result 1	date 2025-06-21	rnd 3	type Standard	result 1
		Opponent Souma, S (Shafeeq)				Opponent Klaase, S (Shane)
2	4	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-08-30	rnd 1	type Standard	result 1
		Opponent Syster, M (Macneil)				Opponent Meyer, M (Matthew)
3	4	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-21	rnd 2	type Standard	result 1	date 2024-03-22	rnd 5	type Standard	result 1
		Opponent Rossel, L (Louis)				Opponent Orwin, M (Matthew)

#	Games	Start				End
1	6	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Pedro Booyse Annual Rapid 2024
		date 2024-05-11	rnd 1	type Rapid	result 1	date 2024-07-06	rnd 1	type Rapid	result 1
		Opponent Schack, M (Miche)				Opponent Titus, S (Sonay)
2	4	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Julie, D (Drueschen)				Opponent Van Der Westhuizen, L (Linkin)
3	4	Tournament Pedro Booyse Annual Rapid 2024				Tournament The Rooibos Open 2024
		date 2024-07-06	rnd 3	type Rapid	result 1	date 2024-08-24	rnd 1	type Rapid	result 1
		Opponent Hugo, B (Benjamin)				Opponent Van Wyk, E (Ebrahim)

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	Swarts ,R (Rudigar)	6	3.5	70.8	3	1.5	0	3	2	141.7	0	0	0
1	Swarts ,R (Rudigar)	6	1448.4	1519.2	3	1330.6	1448.4	3	1416.6	1590	0	0	0
2	Schroeder ,L (Liam)	5	1	-255	3	1	-141.7	2	0	-425	0	0	0
2	Schroeder ,L (Liam)	5	1612.3	1357.3	3	1569.7	1470.7	2	1621.7	1187.3	0	0	0
3	Kameel ,L (Lindon)	5	0	-425	0	0	0	5	0	-425	0	0	0
3	Kameel ,L (Lindon)	5	1450.9	1025.9	0	0	0	5	1393.9	1025.9	0	0	0
4	Lombaard ,J (Jadrin)	4	2.5	106.2	0	0	0	4	2.5	106.2	0	0	0
4	Lombaard ,J (Jadrin)	4	1271.2	1377.5	0	0	0	4	1301.9	1377.5	0	0	0
5	Scholtz ,H (Hanko)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Scholtz ,H (Hanko)	2	1581.1	1793.6	2	1566.8	1793.6	0	0	0	0	0	0
6	De Bruin ,E (Elrise)	2	2	425	1	1	425	1	1	425	0	0	0
6	De Bruin ,E (Elrise)	2	1319.1	1744.1	1	1280.7	1744.1	1	1292.5	1744.1	0	0	0
7	Berend ,L (Luciano)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
7	Berend ,L (Luciano)	2	1254.8	1467.3	1	1166.4	1679.8	1	1276	1254.8	0	0	0
8	Kriel ,Z (Zaydon)	2	2	425	1	1	425	1	1	425	0	0	0
8	Kriel ,Z (Zaydon)	2	1303.4	1728.4	1	1293.4	1728.4	1	1236.3	1728.4	0	0	0
9	Cloete ,J (Jayden)	2	2	425	0	0	0	2	2	425	0	0	0
9	Cloete ,J (Jayden)	2	1337.3	1762.3	0	0	0	2	1290	1762.3	0	0	0
10	Maarman ,C (Christiano)	2	2	425	0	0	0	2	2	425	0	0	0
10	Maarman ,C (Christiano)	2	1298.9	1723.9	0	0	0	2	1263.8	1723.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Jacobs, A (Aiden-Lee)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms