Chess South Africa Ratings Database

PLAYER PAGE

Personal

Stalmeester, A (Aiden)

Chess SA id

1060139219

FIDE id

Date of birth

2006-02-09 (U20)

Gender

Male

Region

Central Karoo (WCK)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-03-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1188.8	1181.2	1200	1111.2
Raw rating	1188.8	1181.2	1200	1111.2
Weighted rating	1188.1	1180.4	1200	1111.2
Weighted performance	805.5	810.4	0	0
Floor	735.4	741.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	168.5	170.3	165.8	188.2
Highest rating	1378.4 2022-03-01	1378.4 2022-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1235.4 2022-04-01	1241.6 2022-04-01	1200 2024-02-01	1200 2019-12-01
Highest weighted rating	1235.4 2023-04-01	1241.6 2023-04-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1378.4 2022-03-01	1378.4 2022-03-01	1200 2024-02-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1188.8	1181.2	1200	1111.2
Analysis
Rating	1188.8	1181.2	1200	1111.2
Raw rating	1188.8	1181.2	1200	1111.2
Weighted rating	1188.1	1180.4	1200
Weighted performance	805.5	810.4	0
K-factor	36	36	36	36
Floor	735.4	741.6	700	700
Max/Min rating change allowed	168.5	170.3	165.8	188.2
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	1188.8	1181.2	1200	1111.2
New weighted rating	1188.4	1180.6	1200	1111.2
New weighted performance	798.8	803.6	0	0
Temp new rating	1188.8	1181.2	1200	1111.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1188.8	1181.2	1200	1111.2
New K-factor	36	36	36	36
New floor	735.4	741.6	700	700

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	5	5	0
	11	11	0
	14	9	5
	0	0	0
History	30	25	5

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Central Karoo (WCK)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	30	12.5	41.67	-70.8	1245.8	1175
Standard	25	11.5	46	-34	1233.8	1199.8
Rapid	0	0	0	0	0	0
Blitz	5	1	20	-255	1305.6	1050.6

Date	Main	Standard	Rapid	Blitz
2025-11-01	1188.8	1181.2	1200	1111.2
2025-09-30	1188.8	1181.2	1200	1111.2
2025-09-01	1188.8	1181.2	1200	1111.2
2025-08-01	1188.8	1181.2	1200	1111.2
2025-07-01	1188.8	1181.2	1200	1111.2
2025-06-01	1188.8	1181.2	1200	1111.2
2025-05-01	1188.8	1181.2	1200	1111.2
2025-04-01	1188.8	1181.2	1200	1111.2
2025-03-01	1188.8	1181.2	1200	1111.2
2025-02-01	1188.8	1181.2	1200	1111.2
2025-01-01	1188.8	1181.2	1200	1111.2
2024-12-01	1188.8	1181.2	1200	1111.2
2024-11-01	1188.8	1181.2	1200	1111.2
2024-10-01	1188.8	1181.2	1200	1111.2
2024-09-01	1188.8	1181.2	1200	1111.2
2024-08-01	1188.8	1181.2	1200	1111.2
2024-07-01	1188.8	1181.2	1200	1111.2
2024-09-01	1188.8	1181.2	1200	1111.2
2024-05-01	1188.8	1181.2	1200	1111.2
2024-04-01	1175.4	1164.6	1200	1111.2
2024-03-01	1175.4	1164.6	1200	1111.2
2024-02-01	1175.4	1164.6	1200	1111.2
2024-01-01	1175.4	1164.6	1200	1111.2
2023-12-01	1175.4	1164.6	1200	1111.2

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	Central Karoo Schools Chess Trial 1 2024 (U20)	2024-03-02	2024-03-02	Standard	Central Karoo (WCK)	5	5	3	Yes	Analysis
2	Western Cape HS Individuals 2023 (U17 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
3	Central Karoo Schools Chess Trial 1 2023 (U19)	2023-02-04	2023-02-04	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	WCCA Rural Cup 2022 (U18)	2022-08-13	2022-08-14	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
5	WCCA Rural Cup Blitz 2022	2022-07-12	2022-07-12	Blitz	Overberg (WOS)	5	5	1	Yes	Analysis
6	Central Karoo 2022 (U15+U18 Boys)	2022-03-19	2022-03-19	Standard	Central Karoo (WCK)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Central Karoo 2022				Tournament Central Karoo 2022
		date 2022-03-19	rnd 3	type Standard	result 1	date 2022-03-19	rnd 5	type Standard	result 1
		Opponent Nel, G (Gaenett)				Opponent Lottering, C (Claton)
2	2	Tournament Central Karoo Schools Chess Trial 1 2024				Tournament Central Karoo Schools Chess Trial 1 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Spanneberg, J (Jovan)				Opponent Claassen, B (Basiano)
3	2	Tournament Central Karoo Schools Chess Trial 1 2023				Tournament Central Karoo Schools Chess Trial 1 2023
		date 2023-02-04	rnd 2	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Jaftha, D (Duwayne)				Opponent Hendricks, M (Matthew)

#	Games	Start				End
1	3	Tournament Central Karoo 2022				Tournament Central Karoo 2022
		date 2022-03-19	rnd 3	type Standard	result 1	date 2022-03-19	rnd 5	type Standard	result 1
		Opponent Nel, G (Gaenett)				Opponent Lottering, C (Claton)
2	2	Tournament Central Karoo Schools Chess Trial 1 2024				Tournament Central Karoo Schools Chess Trial 1 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Spanneberg, J (Jovan)				Opponent Claassen, B (Basiano)
3	2	Tournament Central Karoo Schools Chess Trial 1 2023				Tournament Central Karoo Schools Chess Trial 1 2023
		date 2023-02-04	rnd 2	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Jaftha, D (Duwayne)				Opponent Hendricks, M (Matthew)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 2	type Blitz	result 1	date 2022-07-12	rnd 2	type Blitz	result 1
		Opponent Bester, S (Sebastian)				Opponent Bester, S (Sebastian)

#	Games	Start				End
1	3	Tournament Central Karoo 2022				Tournament Central Karoo 2022
		date 2022-03-19	rnd 3	type Standard	result 1	date 2022-03-19	rnd 5	type Standard	result 1
		Opponent Nel, G (Gaenett)				Opponent Lottering, C (Claton)
2	2	Tournament Central Karoo Schools Chess Trial 1 2024				Tournament Central Karoo Schools Chess Trial 1 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Spanneberg, J (Jovan)				Opponent Claassen, B (Basiano)
3	2	Tournament Central Karoo Schools Chess Trial 1 2023				Tournament Central Karoo Schools Chess Trial 1 2023
		date 2023-02-04	rnd 2	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Jaftha, D (Duwayne)				Opponent Hendricks, M (Matthew)

#	Games	Start				End
1	3	Tournament Central Karoo 2022				Tournament Central Karoo 2022
		date 2022-03-19	rnd 3	type Standard	result 1	date 2022-03-19	rnd 5	type Standard	result 1
		Opponent Nel, G (Gaenett)				Opponent Lottering, C (Claton)
2	2	Tournament Central Karoo Schools Chess Trial 1 2024				Tournament Central Karoo Schools Chess Trial 1 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Spanneberg, J (Jovan)				Opponent Claassen, B (Basiano)
3	2	Tournament Central Karoo Schools Chess Trial 1 2023				Tournament Central Karoo Schools Chess Trial 1 2023
		date 2023-02-04	rnd 2	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Jaftha, D (Duwayne)				Opponent Hendricks, M (Matthew)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 2	type Blitz	result 1	date 2022-07-12	rnd 2	type Blitz	result 1
		Opponent Bester, S (Sebastian)				Opponent Bester, S (Sebastian)

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	Kleyn ,J (Jayden)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
1	Kleyn ,J (Jayden)	3	1184.6	901.3	3	1175.1	901.3	0	0	0	0	0	0
2	Abrahams ,K (Kenrick)	2	1	0	2	1	0	0	0	0	0	0	0
2	Abrahams ,K (Kenrick)	2	1188.4	1188.4	2	1166.8	1188.4	0	0	0	0	0	0
3	Bell ,N (Neyo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Bell ,N (Neyo)	1	1212.5	1637.5	1	1171.6	1637.5	0	0	0	0	0	0
4	Abrahams ,K (Kendrick)	1	1	425	1	1	425	0	0	0	0	0	0
4	Abrahams ,K (Kendrick)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Maroem ,D (Daron)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Maroem ,D (Daron)	1	1243.6	818.6	1	1237.9	818.6	0	0	0	0	0	0
6	Fillis ,J (Jordan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Fillis ,J (Jordan)	1	1275.3	850.3	1	1311.6	850.3	0	0	0	0	0	0
7	Spanneberg ,J (Jovan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Spanneberg ,J (Jovan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Piedt ,T (Tiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Piedt ,T (Tiaan)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Jacobson ,G (Gabriel)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Jacobson ,G (Gabriel)	1	1423.5	998.5	1	1421.4	998.5	0	0	0	0	0	0
10	Hendricks ,M (Matthew)	1	1	425	1	1	425	0	0	0	0	0	0
10	Hendricks ,M (Matthew)	1	880.3	1305.3	1	883	1305.3	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

Stalmeester, A (Aiden)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms