Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kwak, J (Jaeson)

Chess SA id

110091688

FIDE id

Date of birth

2010-03-20 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1377.9

Item	Main	Standard	Rapid	Blitz
Rating	1353.5	1346.2	1223.6	1216
Raw rating	1353.5	1346.2	1223.6	1216
Weighted rating	1335.4	1326.6	1223.6	1208.1
Weighted performance	1271.6	1265	0	0
Floor	883.7	893.8	723.6	716
K-factor	36	36	36	36
Min/Max rating change allowed	133.2	134.6	160.3	162.1
Highest rating	1406.5 2024-01-01	1404.7 2024-01-01	1284.6 2023-02-01	1216 2024-08-01
Highest raw rating	1383.7 2024-02-01	1393.8 2024-02-01	1223.6 2024-02-01	1216 2024-08-01
Highest weighted rating	1333.8 2025-09-01	1393.8 2024-05-01	1223.6 2025-02-01	1216 2018-10-01
Highest weighted performance	1406.5 2024-01-01	1404.7 2024-01-01	1284.6 2023-02-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1353.5	1346.2	1223.6	1216
Analysis
Rating	1353.5	1346.2	1223.6	1216
Raw rating	1353.5	1346.2	1223.6	1216
Weighted rating	1335.4	1326.6	1223.6
Weighted performance	1271.6	1265	0
K-factor	36	36	36	36
Floor	883.7	893.8	723.6	716
Max/Min rating change allowed	133.2	134.6	160.3	162.1
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	1353.5	1346.2	1223.6	1216
New weighted rating	1337	1327.8	1223.6	1209.7
New weighted performance	1270.2	1263.6	0	0
Temp new rating	1353.5	1346.2	1223.6	1216
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1353.5	1346.2	1223.6	1216
New K-factor	36	36	36	36
New floor	883.7	893.8	723.6	716

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	15	15	0	0
	56	48	0	8
	50	37	6	7
	50	50	0	0
	5	5	0	0
History	203	182	6	15

Games since
	Main 71	Standard 63		Rapid 0		Blitz 8
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2632		895		267
Male	2133		730		223
U16	408		133		38
U16 Male	308		100		30
Standard
	RSA		Province		Region
Overall	2614		947		267
Male	2105		765		222
U16	418		142		40
U16 Male	318		107		31
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	15	7	46.67	-28.3	1388.6	1360.3
Standard	15	7	46.67	-28.3	1388.6	1360.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	193	95	49.22	-6.6	1275.3	1268.7
Standard	172	83	48.26	-14.8	1281.8	1267
Rapid	6	4	66.67	141.7	1203.7	1345.4
Blitz	15	8	53.33	28.3	1228.6	1257

Date	Main	Standard	Rapid	Blitz
2025-09-30	1353.5	1346.2	1223.6	1216
2025-09-01	1353.5	1346.2	1223.6	1216
2025-08-01	1340.8	1329.9	1223.6	1216
2025-07-01	1340.8	1329.9	1223.6	1216
2025-06-01	1340.8	1329.9	1223.6	1216
2025-05-01	1340.8	1329.9	1223.6	1216
2025-04-01	1340.8	1329.9	1223.6	1216
2025-03-01	1340.8	1329.9	1223.6	1216
2025-02-01	1337	1328.2	1223.6	1216
2025-01-01	1337	1328.2	1223.6	1216
2024-12-01	1318	1306.6	1223.6	1216
2024-11-01	1318	1306.6	1223.6	1216
2024-10-01	1318	1306.6	1223.6	1216
2024-09-01	1347.3	1339.7	1223.6	1216
2024-08-01	1320.2	1313.1	1223.6	1216
2024-07-01	1283.6	1265.6	1223.6	1163.2
2024-06-01	1283.6	1265.6	1223.6	1163.2
2024-08-01	1317.7	1306.3	1223.6	1163.2
2024-04-01	1317.7	1306.3	1223.6	1163.2
2024-03-01	1341	1339.8	1223.6	1163.2
2024-02-01	1383.7	1393.8	1223.6	1163.2
2024-01-01	1346.1	1387.3	1223.6	1163.2
2023-12-01	1346.1	1387.3	1223.6	1163.2
2023-11-01	1346.1	1387.3	1223.6	1163.2

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 (C)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
3	JMC Kick Off 2025 (C)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Closed 2025 (C)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
3	JMC Kick Off 2025 (C)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	Gauteng Inter-Region at UJ 2024 (U16 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	4	2.5	Yes	Analysis
5	Mzansi Spring Open 2024 (Intermediate)	2024-09-07	2024-09-07	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
6	JMC Closed 2024 (C)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	Helpmekaar Kollege Blitz Chess Invitational 2024 (B)	2024-07-27	2024-07-27	Blitz	Johannesburg Metro (GJM)	9	8	5	Yes	Analysis
8	JMC Trinityhouse Randpark Ridge 2024 (C)	2024-07-13	2024-07-13	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
9	JMC Helpmekaar Kollege Tournament 2024 (C)	2024-05-04	2024-05-04	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
10	1st Knights Open Tournament 2024 (C)	2024-03-23	2024-03-23	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
11	JNW Open - Classic - Crawford 2024 (B)	2024-03-09	2024-03-09	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
12	Grey College Team Championship 2024 (B)	2024-02-23	2024-02-24	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
13	2024 Gauteng Inter-Region Chess Championship (U14B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
14	JMC Kick Off Tournament 2024 (C)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
15	2023 Gauteng Top Schools (U13 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	5	Yes	Analysis
16	JMC Closed Aug 2023 (U14)	2023-08-04	2023-08-06	Standard	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
17	JMC - The Higher Ground Restaurant 2nd Blitz Event 2023	2023-07-30	2023-07-30	Blitz	Johannesburg Metro (GJM)	7	7	3	Yes	Analysis
18	Knight Riders Youth Day 2023 (U14+U16)	2023-06-16	2023-06-16	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
19	JNW Open - Trinityhouse Little Falls 2023 (B)	2023-06-24	2023-06-24	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
20	Mzansi Fide Open 2023 (Intermediate)	2023-04-27	2023-05-01	Standard	Johannesburg Metro (GJM)	6	6	2	Yes	Analysis
21	JNW Open - Trinityhouse Little Falls 2023 (C)	2023-05-13	2023-05-13	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
22	JNW Open - Crawford 2023 (B)	2023-03-04	2023-03-04	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
23	Mzansi Rapid 2023 (Intermediate)	2023-02-04	2023-02-04	Rapid	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
24	2022 South African Junior Team Chess Championships (U14 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	6	4	Yes	Analysis
25	Mzansi Spring Open 2022 (Young Masters)	2022-09-03	2022-09-03	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
26	JMC 3rd Trials 2022 (C)	2022-09-11	2022-09-11	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
27	JMC 2nd Trials 2022 (C)	2022-08-27	2022-08-27	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
28	Chessheroes Junior Challenge 2022 (U13)	2022-08-13	2022-08-13	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
29	2022 Gauteng Schools Team Championships (U13 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
30	JMC Trials 1 - Laerskool Fontainebleau 2022 (U14)	2022-07-24	2022-07-24	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
31	2nd Knight Riders 2022	2022-07-23	2022-07-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
32	2022 Gauteng Interregion (U12 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
33	JMC Charterhouse Open 2022 (C)	2022-02-12	2022-02-12	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
34	JMC Everest 2021 (C)	2021-10-30	2021-10-30	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
35	JNW Club - Trinityhouse Little Falls Open 2020 (D)	2020-03-14	2020-03-14	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
36	JNW Club - Trinityhouse Randpark Ridge Open 2020 (D)	2020-02-22	2020-02-22	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
37	JNW Club - Trinityhouse Randpark Ridge Open 2019 (F)	2019-03-09	2019-03-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
38	JNW Club - Trinityhouse Randpark Ridge Open 2018 (U10)	2018-03-24	2018-03-24	Standard	Johannesburg Metro (GJM)	5	2	0	Yes	Analysis

#	Games	Start				End
1	8	Tournament JMC 2nd Trials 2022				Tournament JMC 3rd Trials 2022
		date 2022-08-27	rnd 4	type Standard	result 1	date 2022-09-11	rnd 1	type Standard	result 1
		Opponent Vendidandi, CK (Chaitanya Kartik)				Opponent Kingsbury, J (Jack)
2	6	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament JMC Kick Off Tournament 2024
		date 2024-01-13	rnd 3	type Standard	result 1	date 2024-01-28	rnd 3	type Standard	result 1
		Opponent Els, Z (Zandre)				Opponent Van De Venter, Z (Zandre)
3	6	Tournament JMC Closed Aug 2023				Tournament 2023 Gauteng Top Schools
		date 2023-08-06	rnd 6	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Habangana, B (Bushe)				Opponent Van Heerden, A (Alexander)

#	Games	Start				End
1	8	Tournament JMC 2nd Trials 2022				Tournament JMC 3rd Trials 2022
		date 2022-08-27	rnd 4	type Standard	result 1	date 2022-09-11	rnd 1	type Standard	result 1
		Opponent Vendidandi, CK (Chaitanya Kartik)				Opponent Kingsbury, J (Jack)
2	6	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament JMC Kick Off Tournament 2024
		date 2024-01-13	rnd 3	type Standard	result 1	date 2024-01-28	rnd 3	type Standard	result 1
		Opponent Els, Z (Zandre)				Opponent Van De Venter, Z (Zandre)
3	6	Tournament JMC Closed Aug 2023				Tournament 2023 Gauteng Top Schools
		date 2023-08-06	rnd 6	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Habangana, B (Bushe)				Opponent Van Heerden, A (Alexander)

#	Games	Start				End
1	2	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 3	type Rapid	result 1	date 2023-02-04	rnd 4	type Rapid	result 1
		Opponent Piorek, J (Jake)				Opponent Botha, JF (Julian)
2	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 6	type Rapid	result 1	date 2023-02-04	rnd 6	type Rapid	result 1
		Opponent Ma, M (Matthew)				Opponent Ma, M (Matthew)
3	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 1	type Rapid	result 1	date 2023-02-04	rnd 1	type Rapid	result 1
		Opponent Arendse, A (Ajay)				Opponent Arendse, A (Ajay)

#	Games	Start				End
1	3	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 1	type Blitz	result 1	date 2024-07-27	rnd 3	type Blitz	result 1
		Opponent Ahrens, H (Heinrich)				Opponent Luthuli, S (Sizwe)
2	2	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 8	type Blitz	result 1	date 2024-07-27	rnd 9	type Blitz	result 1
		Opponent Izinae, D (Dezy)				Opponent Ndawonde, L (Luyanda)
3	2	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 3	type Blitz	result 0.5	date 2023-07-30	rnd 4	type Blitz	result 0.5
		Opponent Smith, C (Caleb)				Opponent Kalmek, A (Asher)

#	Games	Start				End
1	8	Tournament JMC 2nd Trials 2022				Tournament JMC 3rd Trials 2022
		date 2022-08-27	rnd 4	type Standard	result 1	date 2022-09-11	rnd 1	type Standard	result 1
		Opponent Vendidandi, CK (Chaitanya Kartik)				Opponent Kingsbury, J (Jack)
2	6	Tournament JMC Closed Aug 2023				Tournament 2023 Gauteng Top Schools
		date 2023-08-06	rnd 6	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Habangana, B (Bushe)				Opponent Van Heerden, A (Alexander)
3	3	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 1	type Blitz	result 1	date 2024-07-27	rnd 3	type Blitz	result 1
		Opponent Ahrens, H (Heinrich)				Opponent Luthuli, S (Sizwe)

#	Games	Start				End
1	8	Tournament JMC 2nd Trials 2022				Tournament JMC 3rd Trials 2022
		date 2022-08-27	rnd 4	type Standard	result 1	date 2022-09-11	rnd 1	type Standard	result 1
		Opponent Vendidandi, CK (Chaitanya Kartik)				Opponent Kingsbury, J (Jack)
2	6	Tournament JMC Closed Aug 2023				Tournament 2023 Gauteng Top Schools
		date 2023-08-06	rnd 6	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Habangana, B (Bushe)				Opponent Van Heerden, A (Alexander)
3	3	Tournament JMC Trinityhouse Randpark Ridge 2024				Tournament JMC Trinityhouse Randpark Ridge 2024
		date 2024-07-13	rnd 2	type Standard	result 1	date 2024-07-13	rnd 4	type Standard	result 1
		Opponent Epule, D (Daniel)				Opponent Gudladona, K (Kartikeya Praneeth)

#	Games	Start				End
1	2	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 3	type Rapid	result 1	date 2023-02-04	rnd 4	type Rapid	result 1
		Opponent Piorek, J (Jake)				Opponent Botha, JF (Julian)
2	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 6	type Rapid	result 1	date 2023-02-04	rnd 6	type Rapid	result 1
		Opponent Ma, M (Matthew)				Opponent Ma, M (Matthew)
3	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 1	type Rapid	result 1	date 2023-02-04	rnd 1	type Rapid	result 1
		Opponent Arendse, A (Ajay)				Opponent Arendse, A (Ajay)

#	Games	Start				End
1	3	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 1	type Blitz	result 1	date 2024-07-27	rnd 3	type Blitz	result 1
		Opponent Ahrens, H (Heinrich)				Opponent Luthuli, S (Sizwe)
2	2	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 8	type Blitz	result 1	date 2024-07-27	rnd 9	type Blitz	result 1
		Opponent Izinae, D (Dezy)				Opponent Ndawonde, L (Luyanda)
3	1	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 6	type Blitz	result 1	date 2023-07-30	rnd 6	type Blitz	result 1
		Opponent Papanicolaou, A (Alexandra)				Opponent Papanicolaou, A (Alexandra)

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	Botha ,A (Andrea)	4	0.5	-318.8	4	0.5	-318.8	0	0	0	0	0	0
1	Botha ,A (Andrea)	4	1281.3	962.5	4	1279.5	962.5	0	0	0	0	0	0
2	Mupalala ,K (Kenzo)	4	0	-425	4	0	-425	0	0	0	0	0	0
2	Mupalala ,K (Kenzo)	4	1276	851	4	1270.1	851	0	0	0	0	0	0
3	Akker ,D (Dylan)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Akker ,D (Dylan)	3	1260.9	1402.5	3	1246.6	1402.5	0	0	0	0	0	0
4	Bijker ,W (Waldo)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
4	Bijker ,W (Waldo)	3	1220.2	1220.2	3	1203.5	1220.2	0	0	0	0	0	0
5	Joseph ,J (Jamie)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
5	Joseph ,J (Jamie)	3	1290.3	1148.6	3	1291.4	1148.6	0	0	0	0	0	0
6	Mesele ,O (Oboitshepo)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
6	Mesele ,O (Oboitshepo)	3	1344.9	1203.2	3	1334.6	1203.2	0	0	0	0	0	0
7	Bloem ,J (James)	3	0	-425	3	0	-425	0	0	0	0	0	0
7	Bloem ,J (James)	3	1343.4	918.4	3	1343.3	918.4	0	0	0	0	0	0
8	Johnson ,A (Ashar)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
8	Johnson ,A (Ashar)	3	1383.8	1383.8	3	1380.3	1383.8	0	0	0	0	0	0
9	Naidoo ,K (Kajol)	3	0	-425	3	0	-425	0	0	0	0	0	0
9	Naidoo ,K (Kajol)	3	1506.1	1081.1	3	1505.7	1081.1	0	0	0	0	0	0
10	Habangana ,B (Bushe)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
10	Habangana ,B (Bushe)	3	1325.9	1184.3	2	1306.2	1325.9	1	1224.4	900.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Kwak, J (Jaeson)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms