Chess South Africa Ratings Database

PLAYER PAGE

Personal

Purchase, N (Nathan)

Chess SA id

1100306870

FIDE id

Date of birth

2010-02-27 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1186.6	1186.5	1186.9	1200
Raw rating	1186.6	1186.5	1186.9	1200
Weighted rating	1185.2	1185.2	1184.7	1200
Weighted performance	977.2	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	169	169	168.9	165.8
Highest rating	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1186.6	1186.5	1186.9	1200
Analysis
Rating	1186.6	1186.5	1186.9	1200
Raw rating	1186.6	1186.5	1186.9	1200
Weighted rating	1185.2	1185.2	1184.7
Weighted performance	977.2	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	169	169	168.9	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	1186.6	1186.5	1186.9	1200
New weighted rating	1185.1	1185.1	1184.6	1200
New weighted performance	969.9	0	0	0
Temp new rating	1186.6	1186.5	1186.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1186.6	1186.5	1186.9	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	19	13	6
	0	0	0
	0	0	0
	0	0	0
History	24	18	6

Games since
	Main 24	Standard 18		Rapid 6		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
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	5	2	40	-85	1239.3	1154.3
Standard	5	2	40	-85	1239.3	1154.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	24	9	37.5	-106.2	1247.8	1141.5
Standard	18	7	38.89	-94.4	1244.9	1150.4
Rapid	6	2	33.33	-141.7	1256.5	1114.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1186.6	1186.5	1186.9	1200
2025-11-30	1186.6	1186.5	1186.9	1200
2025-11-01	1186.6	1186.5	1186.9	1200
2025-09-30	1186.6	1186.5	1186.9	1200
2025-09-01	1186.6	1186.5	1186.9	1200
2025-08-01	1186.6	1186.5	1186.9	1200
2025-07-01	1186.6	1186.5	1186.9	1200
2025-06-01	1186.6	1186.5	1186.9	1200
2025-05-01	1188	1187.9	1186.9	1200
2025-04-01	1188	1187.9	1186.9	1200
2025-03-01	1188	1187.9	1186.9	1200
2025-02-01	1186.5	1186.8	1184.8	1200
2025-01-01	1162	1166	1149.2	1200
2024-12-01	1162	1166	1149.2	1200
2024-11-01	1162	1166	1149.2	1200
2024-10-01	1172.8	1166	1200	1200
2024-09-01	1198	1194	1200	1200
2024-11-01	1198	1194	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200

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	MCA Year End Rapid 2025 (High School)	2025-11-01	2025-11-01	Rapid	Johannesburg Metro (GJM)	5	0	0	No	Analysis
2	Mzansi Africa Classic 2025 (Junior)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	Mzansi Summer Rapid 2024 (B)	2024-10-26	2024-10-26	Rapid	Johannesburg Metro (GJM)	6	6	2	Yes	Analysis
4	Knight Riders Spring Chess Tournament 2024 (B)	2024-09-28	2024-09-28	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
5	Mzansi Spring Open 2024 (Juniors)	2024-09-07	2024-09-07	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
6	Chess Power House July Open 2024 (B)	2024-07-20	2024-07-20	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Mzansi Summer Rapid 2024				Tournament Mzansi Africa Classic 2025
		date 2024-10-26	rnd 6	type Rapid	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Cheetham, G (Georgia)				Opponent Dixon, G (Genevieve)
2	2	Tournament Mzansi Spring Open 2024				Tournament Mzansi Spring Open 2024
		date 2024-09-07	rnd 3	type Standard	result 1	date 2024-09-07	rnd 4	type Standard	result 1
		Opponent Purchase, C (Claire)				Opponent Kuchibhotla, AKA (Achyuta Kartikeya Arjun)
3	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Mulumba, I (Imara)				Opponent Mulumba, I (Imara)

#	Games	Start				End
1	2	Tournament Mzansi Spring Open 2024				Tournament Mzansi Spring Open 2024
		date 2024-09-07	rnd 3	type Standard	result 1	date 2024-09-07	rnd 4	type Standard	result 1
		Opponent Purchase, C (Claire)				Opponent Kuchibhotla, AKA (Achyuta Kartikeya Arjun)
2	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Mulumba, I (Imara)				Opponent Mulumba, I (Imara)
3	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Dixon, G (Genevieve)				Opponent Dixon, G (Genevieve)

#	Games	Start				End
1	1	Tournament Mzansi Summer Rapid 2024				Tournament Mzansi Summer Rapid 2024
		date 2024-10-26	rnd 6	type Rapid	result 1	date 2024-10-26	rnd 6	type Rapid	result 1
		Opponent Cheetham, G (Georgia)				Opponent Cheetham, G (Georgia)
2	1	Tournament Mzansi Summer Rapid 2024				Tournament Mzansi Summer Rapid 2024
		date 2024-10-26	rnd 2	type Rapid	result 1	date 2024-10-26	rnd 2	type Rapid	result 1
		Opponent Mohonwe, LK (Lebone Kgosi)				Opponent Mohonwe, LK (Lebone Kgosi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Mzansi Summer Rapid 2024				Tournament Mzansi Africa Classic 2025
		date 2024-10-26	rnd 6	type Rapid	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Cheetham, G (Georgia)				Opponent Dixon, G (Genevieve)
2	2	Tournament Mzansi Spring Open 2024				Tournament Mzansi Spring Open 2024
		date 2024-09-07	rnd 3	type Standard	result 1	date 2024-09-07	rnd 4	type Standard	result 1
		Opponent Purchase, C (Claire)				Opponent Kuchibhotla, AKA (Achyuta Kartikeya Arjun)
3	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Mulumba, I (Imara)				Opponent Mulumba, I (Imara)

#	Games	Start				End
1	2	Tournament Mzansi Spring Open 2024				Tournament Mzansi Spring Open 2024
		date 2024-09-07	rnd 3	type Standard	result 1	date 2024-09-07	rnd 4	type Standard	result 1
		Opponent Purchase, C (Claire)				Opponent Kuchibhotla, AKA (Achyuta Kartikeya Arjun)
2	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Mulumba, I (Imara)				Opponent Mulumba, I (Imara)
3	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Dixon, G (Genevieve)				Opponent Dixon, G (Genevieve)

#	Games	Start				End
1	1	Tournament Mzansi Summer Rapid 2024				Tournament Mzansi Summer Rapid 2024
		date 2024-10-26	rnd 6	type Rapid	result 1	date 2024-10-26	rnd 6	type Rapid	result 1
		Opponent Cheetham, G (Georgia)				Opponent Cheetham, G (Georgia)
2	1	Tournament Mzansi Summer Rapid 2024				Tournament Mzansi Summer Rapid 2024
		date 2024-10-26	rnd 2	type Rapid	result 1	date 2024-10-26	rnd 2	type Rapid	result 1
		Opponent Mohonwe, LK (Lebone Kgosi)				Opponent Mohonwe, LK (Lebone Kgosi)

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	Simamane ,S (Siphokazi)	2	2	425	2	2	425	0	0	0	0	0	0
1	Simamane ,S (Siphokazi)	2	1089.8	1514.8	2	1072.4	1514.8	0	0	0	0	0	0
2	Kuchibhotla ,AKA (Achyuta Kartikeya Arjun)	1	1	425	1	1	425	0	0	0	0	0	0
2	Kuchibhotla ,AKA (Achyuta Kartikeya Arjun)	1	1251	1676	1	1289.3	1676	0	0	0	0	0	0
3	Dixon ,G (Genevieve)	1	1	425	1	1	425	0	0	0	0	0	0
3	Dixon ,G (Genevieve)	1	1263.6	1688.6	1	1260.1	1688.6	0	0	0	0	0	0
4	Sebongwane ,N (Nkosana)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Sebongwane ,N (Nkosana)	1	1246.8	821.8	1	1200	821.8	0	0	0	0	0	0
5	Bijker ,X (Xander)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Bijker ,X (Xander)	1	1242.4	817.4	1	1247.8	817.4	0	0	0	0	0	0
6	Moyo ,B (Bonginkosi)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Moyo ,B (Bonginkosi)	1	1195.8	770.8	1	1194.2	770.8	0	0	0	0	0	0
7	Ngwangwa ,N (Nonhlanhla)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ngwangwa ,N (Nonhlanhla)	1	1386.6	961.6	1	1407	961.6	0	0	0	0	0	0
8	Hattingh ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Hattingh ,C (Christiaan)	1	1145.9	720.9	1	1186.8	720.9	0	0	0	0	0	0
9	Mankena ,S (Satvik Ram)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mankena ,S (Satvik Ram)	1	1419.8	994.8	1	1430.4	994.8	0	0	0	0	0	0
10	Subroyen ,J (Jeevesh)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Subroyen ,J (Jeevesh)	1	1227.3	802.3	1	1213.6	802.3	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

Purchase, N (Nathan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms