Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pelser, A (Aidan)

Chess SA id

1160143816

FIDE id

Date of birth

2016-01-04 (U10)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1323.8

Item	Main	Standard	Rapid	Blitz
Rating	1390.7	1391.5	1200	1200
Raw rating	1385	1385.8	1200	1200
Weighted rating	1390.7	1391.5	1200	1200
Weighted performance	1276.1	1275.1	0	0
Floor	928	932.2	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	127.4	127.3	165.8	165.8
Highest rating	1439.1 2024-06-01	1439.2 2024-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1428 2025-04-01	1432.2 2025-04-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1389 2025-09-01	1432.2 2025-07-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1439.1 2024-06-01	1439.2 2024-06-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	1.4	1.2	0	0
New rating	1392.1	1392.8	1200	1200
Analysis
Rating	1390.7	1391.5	1200	1200
Raw rating	1385	1385.8	1200	1200
Weighted rating	1390.7	1391.5	1200
Weighted performance	1276.1	1275.1	0
K-factor	32	32	36	36
Floor	928	932.2	700	700
Max/Min rating change allowed	127.4	127.3	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	1385	1385.8	1200	1200
New weighted rating	1392.1	1392.8	1200	1200
New weighted performance	1275.7	1274.6	0	0
Temp new rating	1392.1	1392.8	1200	1200
Temp new rating +/-	1.4	1.2	0	0
Final new rating +/-	1.4	1.2	0	0
New rating	1392.1	1392.8	1200	1200
New K-factor	32	32	36	36
New floor	928	932.2	700	700

Item	Main	Standard
	0	0
	24	24
	46	46
	31	31
	28	28
	0	0
History	129	129

Games since
	Main 75	Standard 75		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2267		796		248
Male	1857		645		207
U10	157		68		25
U10 Male	136		61		22
Standard
	RSA		Province		Region
Overall	2136		795		239
Male	1747		645		197
U10	149		69		26
U10 Male	130		62		23
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	12	50	0	1358.8	1358.8
Standard	24	12	50	0	1358.8	1358.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	129	73.5	56.98	59.3	1268.3	1327.6
Standard	129	73.5	56.98	59.3	1268.3	1327.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1385	1385.8	1200	1200
2025-09-01	1385	1385.8	1200	1200
2025-08-01	1385.7	1386	1200	1200
2025-07-01	1405.2	1402.8	1200	1200
2025-06-01	1423.5	1426.5	1200	1200
2025-05-01	1428	1432.2	1200	1200
2025-04-01	1428	1432.2	1200	1200
2025-03-01	1400	1398.7	1200	1200
2025-02-01	1400	1398.7	1200	1200
2025-01-01	1400	1398.7	1200	1200
2024-12-01	1400	1398.7	1200	1200
2024-11-01	1400	1398.7	1200	1200
2024-10-01	1401.1	1399.7	1200	1200
2024-09-01	1401.1	1399.7	1200	1200
2024-08-01	1400	1397.5	1200	1200
2024-07-01	1410.6	1411.3	1200	1200
2024-06-01	1349.5	1355.3	1200	1200
2024-08-01	1290	1293.7	1200	1200
2024-04-01	1290	1293.7	1200	1200
2024-03-01	1284.9	1288.7	1200	1200
2024-02-01	1284.9	1288.7	1200	1200
2024-01-01	1293.9	1304.5	1200	1200
2023-12-01	1293.9	1304.5	1200	1200
2023-11-01	1293.9	1304.5	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	JMC Closed 2025 (U10)	2025-08-09	2025-08-09	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	JMC - Trinity Randpark Ridge 2025 (U10)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	JMC Helpmekaar 2025 (U10)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	JMC Crawford Sandton 2025 (U10)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
5	JMC Crawford Ruimsig 2025 (U10)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Closed 2025 (U10)	2025-08-09	2025-08-09	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	JMC - Trinity Randpark Ridge 2025 (U10)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	JMC Helpmekaar 2025 (U10)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	JMC Crawford Sandton 2025 (U10)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
5	JMC Crawford Ruimsig 2025 (U10)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
6	Gauteng Top Schools 2024 (U9 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
7	JMC Closed 2024 (U10)	2024-08-09	2024-08-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
8	JMC Trinityhouse Randpark Ridge 2024 (U10)	2024-07-13	2024-07-13	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
9	JMC Trinityhouse Little Falls 2024 (U10)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
10	JMC Crawford International Sandton 2024 (U10)	2024-05-11	2024-05-11	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
11	South African Junior Closed Chess Championship 2024 (U8 Open)	2024-04-27	2024-05-01	Standard	Ekurhuleni (GE)	9	9	5	Yes	Analysis
12	JMC Unika School Tournament 2024 (U10)	2024-03-02	2024-03-02	Standard	Johannesburg Metro (GJM)	5	2	1	Yes	Analysis
13	2024 Gauteng Inter-Region Chess Championship (U8)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
14	JMC Kick Off Tournament 2024 (U10)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
15	Africawide Chess Championship 2023 (Development A)	2023-11-04	2023-11-04	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
16	2023 Centurion Chess Open (E)	2023-09-23	2023-09-23	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
17	JMC Closed Aug 2023 (U8)	2023-08-04	2023-08-06	Standard	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
18	JMC Trinity Little Falls 2023 (U8)	2023-07-02	2023-07-02	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
19	JNW Open - Trinityhouse Little Falls 2023 (U8)	2023-05-13	2023-05-13	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
20	2023 Piet Robbertse Fide Rated Open Chess Tournament (F)	2023-02-04	2023-02-04	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
21	2022 South African Junior Wild Card Chess Championships (U8 Open)	2022-12-09	2022-12-12	Standard	4 Knights (4K)	7	6	2	Yes	Analysis
22	2022 South African Junior Team Chess Championships (U8 Open+Girls)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
23	JMC 3rd Trials 2022 (U8)	2022-09-11	2022-09-11	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
24	JMC 2nd Trials 2022 (U8)	2022-08-27	2022-08-27	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
25	JMC Trials 1 - Laerskool Fontainebleau 2022 (U8)	2022-07-24	2022-07-24	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	12	Tournament 2022 South African Junior Wild Card Chess Championships				Tournament JNW Open - Trinityhouse Little Falls 2023
		date 2022-12-11	rnd 5	type Standard	result 0.5	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Labuschagne, P (Phillip)				Opponent Conradie, D (David)
2	6	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Randpark Ridge 2024
		date 2024-06-02	rnd 3	type Standard	result 1	date 2024-07-13	rnd 3	type Standard	result 1
		Opponent Naidoo, K (Kehan)				Opponent Kilari, S (Suveer)
3	5	Tournament JMC Trinity Little Falls 2023				Tournament JMC Closed Aug 2023
		date 2023-07-02	rnd 2	type Standard	result 1	date 2023-08-04	rnd 1	type Standard	result 1
		Opponent Dlamini, B (Busani)				Opponent Deysel, Z (Zachariah)

#	Games	Start				End
1	12	Tournament 2022 South African Junior Wild Card Chess Championships				Tournament JNW Open - Trinityhouse Little Falls 2023
		date 2022-12-11	rnd 5	type Standard	result 0.5	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Labuschagne, P (Phillip)				Opponent Conradie, D (David)
2	6	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Randpark Ridge 2024
		date 2024-06-02	rnd 3	type Standard	result 1	date 2024-07-13	rnd 3	type Standard	result 1
		Opponent Naidoo, K (Kehan)				Opponent Kilari, S (Suveer)
3	5	Tournament JMC Trinity Little Falls 2023				Tournament JMC Closed Aug 2023
		date 2023-07-02	rnd 2	type Standard	result 1	date 2023-08-04	rnd 1	type Standard	result 1
		Opponent Dlamini, B (Busani)				Opponent Deysel, Z (Zachariah)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Randpark Ridge 2024
		date 2024-06-02	rnd 3	type Standard	result 1	date 2024-07-13	rnd 3	type Standard	result 1
		Opponent Naidoo, K (Kehan)				Opponent Kilari, S (Suveer)
2	6	Tournament 2023 Piet Robbertse Fide Rated Open Chess Tournament				Tournament JNW Open - Trinityhouse Little Falls 2023
		date 2023-02-04	rnd 1	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Deysel, E (Eli)				Opponent Gerber, Z (Zoe)
3	5	Tournament JMC Trinity Little Falls 2023				Tournament JMC Closed Aug 2023
		date 2023-07-02	rnd 2	type Standard	result 1	date 2023-08-04	rnd 1	type Standard	result 1
		Opponent Dlamini, B (Busani)				Opponent Deysel, Z (Zachariah)

#	Games	Start				End
1	6	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Randpark Ridge 2024
		date 2024-06-02	rnd 3	type Standard	result 1	date 2024-07-13	rnd 3	type Standard	result 1
		Opponent Naidoo, K (Kehan)				Opponent Kilari, S (Suveer)
2	6	Tournament 2023 Piet Robbertse Fide Rated Open Chess Tournament				Tournament JNW Open - Trinityhouse Little Falls 2023
		date 2023-02-04	rnd 1	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Deysel, E (Eli)				Opponent Gerber, Z (Zoe)
3	5	Tournament JMC Trinity Little Falls 2023				Tournament JMC Closed Aug 2023
		date 2023-07-02	rnd 2	type Standard	result 1	date 2023-08-04	rnd 1	type Standard	result 1
		Opponent Dlamini, B (Busani)				Opponent Deysel, Z (Zachariah)

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	Stelloh ,A (Alexander)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
1	Stelloh ,A (Alexander)	4	1275.2	1381.4	4	1292.8	1381.4	0	0	0	0	0	0
2	Gerber ,Z (Zoe)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
2	Gerber ,Z (Zoe)	4	1112.3	1324.8	4	1111.4	1324.8	0	0	0	0	0	0
3	Taylor ,M (Matthew)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
3	Taylor ,M (Matthew)	3	1279.3	996	3	1294.3	996	0	0	0	0	0	0
4	Koorts ,L (Lukas)	3	0	-425	3	0	-425	0	0	0	0	0	0
4	Koorts ,L (Lukas)	3	1599.9	1174.9	3	1623.9	1174.9	0	0	0	0	0	0
5	Steyn ,K (Kian)	3	0	-425	3	0	-425	0	0	0	0	0	0
5	Steyn ,K (Kian)	3	1557.6	1132.6	3	1562	1132.6	0	0	0	0	0	0
6	Exarchos ,I (Isabella)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
6	Exarchos ,I (Isabella)	3	1223.3	940	3	1192.2	940	0	0	0	0	0	0
7	Labuschagne ,P (Phillip)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
7	Labuschagne ,P (Phillip)	3	1363.2	1079.8	3	1375.3	1079.8	0	0	0	0	0	0
8	Conradie ,M (Minka)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
8	Conradie ,M (Minka)	3	1399.5	1257.8	3	1397.1	1257.8	0	0	0	0	0	0
9	Deysel ,Z (Zachariah)	2	2	425	2	2	425	0	0	0	0	0	0
9	Deysel ,Z (Zachariah)	2	1292.8	1717.8	2	1294.5	1717.8	0	0	0	0	0	0
10	Du Pisani ,M (Malcolm)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Du Pisani ,M (Malcolm)	2	1323.6	1536.1	2	1318.7	1536.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Pelser, A (Aidan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms