Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nahon, J (James)

Chess SA id

1150157233

FIDE id

Date of birth

2015-04-16 (U12)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

2025-02-20

Junior GPX Games

31.8

Junior GPX Points

1233.7

Item	Main	Standard	Rapid	Blitz
Rating	1356.5	1322.2	1304.6	1200
Raw rating	1356.5	1322.2	1304.6	1200
Weighted rating	1319.4	1304.2	1255.6	1200
Weighted performance	1318.9	1268	1249.2	0
Floor	862.4	850.9	804.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	132.7	139.3	142.9	165.8
Highest rating	1377.3 2024-11-01	1350.9 2025-06-01	1304.6 2025-09-30	1200 2018-10-01
Highest raw rating	1362.4 2024-11-01	1350.9 2025-06-01	1304.6 2025-09-30	1200 2024-02-01
Highest weighted rating	1319.4 2025-09-30	1299.9 2025-09-01	1276.4 2025-02-01	1200 2018-10-01
Highest weighted performance	1377.3 2025-06-01	1338.1 2024-11-01	1284.7 2024-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1356.5	1322.2	1304.6	1200
Analysis
Rating	1356.5	1322.2	1304.6	1200
Raw rating	1356.5	1322.2	1304.6	1200
Weighted rating	1319.4	1304.2	1255.6
Weighted performance	1318.9	1268	1249.2
K-factor	36	36	36	36
Floor	862.4	850.9	804.6	700
Max/Min rating change allowed	132.7	139.3	142.9	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	1356.5	1322.2	1304.6	1200
New weighted rating	1324.9	1308	1260.2	1200
New weighted performance	1318.4	1267.6	1248.7	0
Temp new rating	1356.5	1322.2	1304.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1356.5	1322.2	1304.6	1200
New K-factor	36	36	36	36
New floor	862.4	850.9	804.6	700

Item	Main	Standard	Rapid
	0	0	0
	37	20	17
	50	35	15
	10	5	5
	0	0	0
	0	0	0
History	97	60	37

Games since
	Main 87	Standard 55		Rapid 32		Blitz 0
Gender	Male
Age group	U12
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2599		888		266
Male	2109		723		222
U12	371		126		33
U12 Male	273		92		28
Standard
	RSA		Province		Region
Overall	2861		1035		284
Male	2278		827		233
U12	415		156		40
U12 Male	303		111		32
Rapid
	RSA		Province		Region
Overall	1020		174		76
Male	836		138		69
U12	167		20		5
U12 Male	121		13		5
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	19	51.35	11.5	1313	1324.5
Standard	20	10	50	0	1333.1	1333.1
Rapid	17	9	52.94	25	1289.5	1314.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	97	52.5	54.12	35.1	1279.8	1314.9
Standard	60	31.5	52.5	21.2	1287	1308.2
Rapid	37	21	56.76	57.4	1268.2	1325.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1356.5	1322.2	1304.6	1200
2025-09-01	1326.6	1322.2	1249.8	1200
2025-08-01	1323	1317.8	1249.8	1200
2025-07-01	1323	1317.8	1249	1200
2025-06-01	1354.8	1350.9	1248.2	1200
2025-05-01	1349.3	1345.5	1247.3	1200
2025-04-01	1349.3	1345.5	1246.1	1200
2025-03-01	1334.6	1326.5	1242.8	1200
2025-02-01	1362.4	1326.5	1276.4	1200
2025-01-01	1362.4	1326.5	1276.4	1200
2024-12-01	1362.4	1326.5	1276.4	1200
2024-11-01	1362.4	1326.5	1276.4	1200
2024-10-01	1291.6	1268.8	1276.4	1200
2024-09-01	1267.4	1232.8	1276.4	1200
2024-08-01	1236.8	1232.8	1221.7	1200
2024-07-01	1253.8	1255.1	1221.7	1200
2024-06-01	1253.8	1255.1	1221.7	1200
2024-08-01	1230.2	1221.6	1221.7	1200
2024-04-01	1235.1	1221.6	1235.7	1200
2024-03-01	1211.2	1188.8	1235.7	1200
2024-02-01	1193.4	1188.8	1214.8	1200
2024-01-01	1193.4	1188.8	1214.8	1200
2023-12-01	1193.4	1188.8	1214.8	1200
2023-11-01	1193.4	1188.8	1214.8	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	MCA Spring Flower Birthday Rapid 2025 (U12)	2025-09-20	2025-09-20	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
2	JMC Closed 2025 (U12)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	Chess Power House Youth Day Rapid 2025 (D)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	JMC Helpmekaar 2025 (U12)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	CPH May 2025 (D)	2025-05-03	2025-05-03	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
6	JMC Crawford Ruimsig 2025 (U12)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	JMC Rapid The Bridge School 2025 (Open)	2025-02-23	2025-02-23	Rapid	Johannesburg Metro (GJM)	7	7	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	MCA Spring Flower Birthday Rapid 2025 (U12)	2025-09-20	2025-09-20	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
2	JMC Closed 2025 (U12)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	Chess Power House Youth Day Rapid 2025 (D)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	JMC Helpmekaar 2025 (U12)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	CPH May 2025 (D)	2025-05-03	2025-05-03	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
6	JMC Crawford Ruimsig 2025 (U12)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	JMC Rapid The Bridge School 2025 (Open)	2025-02-23	2025-02-23	Rapid	Johannesburg Metro (GJM)	7	7	2	Yes	Analysis
8	CPH Boksburg Open 2024 (D)	2024-10-26	2024-10-26	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
9	Mzansi Spring Open 2024 (Newcomer)	2024-09-07	2024-09-07	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
10	CPH King David Linksfield Aug Rapid 2024 (C)	2024-08-18	2024-08-18	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
11	Chess Power House July Open 2024 (D)	2024-07-20	2024-07-20	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
12	GoForChess Junior Chess Championships 2024 (Junior)	2024-05-19	2024-05-19	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
13	Chess Power House May Open 2024 (D)	2024-05-25	2024-05-25	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
14	JMC Crawford International Sandton 2024 (U10)	2024-05-11	2024-05-11	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
15	JCC King David Linksfield Rapid 2024 (C)	2024-04-21	2024-04-21	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
16	JMC Unika School Tournament 2024 (U10)	2024-03-02	2024-03-02	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
17	Chess Power House 1st Rapid 2024 (C)	2024-02-24	2024-02-24	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
18	Chess Power House 2023 (D)	2023-08-19	2023-08-19	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
19	Chess Molecules 16 June Tournament 2023 (Grade 0-2)	2023-06-16	2023-06-16	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament JMC Unika School Tournament 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-04-21	rnd 2	type Rapid	result 1
		Opponent Du Plessis, P (Prieur)				Opponent Wu, S (Summer)
2	4	Tournament CPH May 2025				Tournament JMC Helpmekaar 2025
		date 2025-05-03	rnd 3	type Standard	result 1	date 2025-06-01	rnd 1	type Standard	result 1
		Opponent Pon, M (Michael)				Opponent Niemann, C (Clara)
3	4	Tournament Chess Power House July Open 2024				Tournament CPH King David Linksfield Aug Rapid 2024
		date 2024-07-20	rnd 5	type Standard	result 1	date 2024-08-18	rnd 3	type Rapid	result 1
		Opponent Simamane, S (Siphesihle)				Opponent Kuchibhotla, AKA (Achyuta Kartikeya Arjun)

#	Games	Start				End
1	5	Tournament JMC Unika School Tournament 2024				Tournament JMC Crawford International Sandton 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Du Plessis, P (Prieur)				Opponent Purohit, A (Aarav)
2	4	Tournament CPH May 2025				Tournament JMC Helpmekaar 2025
		date 2025-05-03	rnd 3	type Standard	result 1	date 2025-06-01	rnd 1	type Standard	result 1
		Opponent Pon, M (Michael)				Opponent Niemann, C (Clara)
3	4	Tournament JMC Crawford International Sandton 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-11	rnd 5	type Standard	result 1	date 2024-05-19	rnd 3	type Standard	result 1
		Opponent Kilari, S (Suveer)				Opponent Le Kay, A (Alexa)

#	Games	Start				End
1	3	Tournament CPH King David Linksfield Aug Rapid 2024				Tournament CPH King David Linksfield Aug Rapid 2024
		date 2024-08-18	rnd 1	type Rapid	result 1	date 2024-08-18	rnd 3	type Rapid	result 1
		Opponent Pon, M (Michael)				Opponent Kuchibhotla, AKA (Achyuta Kartikeya Arjun)
2	2	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 5	type Rapid	result 1
		Opponent Garbers, B (Bryan)				Opponent Murugan, S (Shreya)
3	2	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 1	type Rapid	result 1	date 2025-09-20	rnd 2	type Rapid	result 1
		Opponent Chen, C (Chieh Jui ( Riley))				Opponent Naidoo, S (Sienna)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament CPH May 2025				Tournament JMC Helpmekaar 2025
		date 2025-05-03	rnd 3	type Standard	result 1	date 2025-06-01	rnd 1	type Standard	result 1
		Opponent Pon, M (Michael)				Opponent Niemann, C (Clara)
2	4	Tournament Chess Power House July Open 2024				Tournament CPH King David Linksfield Aug Rapid 2024
		date 2024-07-20	rnd 5	type Standard	result 1	date 2024-08-18	rnd 3	type Rapid	result 1
		Opponent Simamane, S (Siphesihle)				Opponent Kuchibhotla, AKA (Achyuta Kartikeya Arjun)
3	4	Tournament JMC Unika School Tournament 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-03-02	rnd 4	type Standard	result 1	date 2024-04-21	rnd 2	type Rapid	result 1
		Opponent Van Zijl, W (Wouter)				Opponent Wu, S (Summer)

#	Games	Start				End
1	4	Tournament CPH May 2025				Tournament JMC Helpmekaar 2025
		date 2025-05-03	rnd 3	type Standard	result 1	date 2025-06-01	rnd 1	type Standard	result 1
		Opponent Pon, M (Michael)				Opponent Niemann, C (Clara)
2	3	Tournament JMC Unika School Tournament 2024				Tournament JMC Crawford International Sandton 2024
		date 2024-03-02	rnd 4	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Van Zijl, W (Wouter)				Opponent Purohit, A (Aarav)
3	2	Tournament Mzansi Spring Open 2024				Tournament CPH Boksburg Open 2024
		date 2024-09-07	rnd 5	type Standard	result 1	date 2024-10-26	rnd 1	type Standard	result 1
		Opponent Orren, JJ (Jade Junior)				Opponent Zhu, R (Ryan Yuancheng)

#	Games	Start				End
1	3	Tournament CPH King David Linksfield Aug Rapid 2024				Tournament CPH King David Linksfield Aug Rapid 2024
		date 2024-08-18	rnd 1	type Rapid	result 1	date 2024-08-18	rnd 3	type Rapid	result 1
		Opponent Pon, M (Michael)				Opponent Kuchibhotla, AKA (Achyuta Kartikeya Arjun)
2	2	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 5	type Rapid	result 1
		Opponent Garbers, B (Bryan)				Opponent Murugan, S (Shreya)
3	2	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 1	type Rapid	result 1	date 2025-09-20	rnd 2	type Rapid	result 1
		Opponent Chen, C (Chieh Jui ( Riley))				Opponent Naidoo, S (Sienna)

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	Farkas ,G (Gadi)	4	0.5	-318.8	3	0.5	-283.3	1	0	-425	0	0	0
1	Farkas ,G (Gadi)	4	1266.5	947.7	3	1276.9	983.1	1	1181.6	841.5	0	0	0
2	Zhu ,R (Ryan Yuancheng)	4	2.5	106.2	2	1.5	212.5	2	1	0	0	0	0
2	Zhu ,R (Ryan Yuancheng)	4	1469.1	1575.3	2	1542.4	1681.6	2	1313.9	1469.1	0	0	0
3	Finnemore ,E (Ewan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
3	Finnemore ,E (Ewan)	3	1461.7	1320.1	3	1459.5	1320.1	0	0	0	0	0	0
4	Pon ,M (Michael)	3	3	425	2	2	425	1	1	425	0	0	0
4	Pon ,M (Michael)	3	1176.6	1601.6	2	1183.3	1601.6	1	1200	1601.6	0	0	0
5	Du Pisani ,M (Malcolm)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Du Pisani ,M (Malcolm)	2	1376.1	1163.6	2	1379.7	1163.6	0	0	0	0	0	0
6	Le Kay ,A (Alexa)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Le Kay ,A (Alexa)	2	1298.2	1510.8	2	1303.2	1510.8	0	0	0	0	0	0
7	Ravuri ,C (Chinmay Vihaan)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Ravuri ,C (Chinmay Vihaan)	2	1372.9	947.9	2	1372.6	947.9	0	0	0	0	0	0
8	Shyu ,Y (Yu-Kai)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Shyu ,Y (Yu-Kai)	2	1201	988.5	2	1200.8	988.5	0	0	0	0	0	0
9	Kuchibhotla ,AKA (Achyuta Kartikeya Arjun)	2	1	0	1	0	-425	1	1	425	0	0	0
9	Kuchibhotla ,AKA (Achyuta Kartikeya Arjun)	2	1261.4	1261.4	1	1259.8	836.4	1	1088.4	1686.4	0	0	0
10	Lipshitz ,B (Blake)	2	0	-425	1	0	-425	1	0	-425	0	0	0
10	Lipshitz ,B (Blake)	2	1243.2	818.2	1	1230.8	818.2	1	1225.2	818.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Nahon, J (James)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms