Chess South Africa Ratings Database

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Personal

Greeff, N (Nathan)

Chess SA id

1160312657

FIDE id

Date of birth

2016-10-25 (U12)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-11-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1171.3	1157.5	1195.7	1200
Raw rating	1054.6	1062.2	1092.6	1200
Weighted rating	1171.3	1157.5	1195.7	1200
Weighted performance	886.3	0	0	0
Floor	732	700	743.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	204	201.8	193.2	165.8
Highest rating	1332.7 2024-11-01	1200 2024-10-01	1402.8 2024-11-01	1200 2024-10-01
Highest raw rating	1232 2024-11-01	1200 2024-10-01	1243.2 2024-11-01	1200 2024-10-01
Highest weighted rating	1232 2025-06-01	1200 2024-10-01	1243.2 2025-06-01	1200 2024-10-01
Highest weighted performance	1332.7 2024-11-01	1200 2024-10-01	1402.8 2024-11-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-10.7	-9.1	-8.9	0
New rating	1160.6	1148.4	1186.7	1200
Analysis
Rating	1171.3	1157.5	1195.7	1200
Raw rating	1054.6	1062.2	1092.6	1200
Weighted rating	1171.3	1157.5	1195.7
Weighted performance	886.3	0	0
K-factor	36	36	36	36
Floor	732	700	743.2	700
Max/Min rating change allowed	204	201.8	193.2	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	1054.6	1062.2	1092.6	1200
New weighted rating	1160.6	1148.4	1186.7	1200
New weighted performance	880.4	0	0	0
Temp new rating	1160.6	1148.4	1186.7	1200
Temp new rating +/-	-10.7	-9.1	-8.9	0
Final new rating +/-	-10.7	-9.1	-8.9	0
New rating	1160.6	1148.4	1186.7	1200
New K-factor	36	36	36	36
New floor	732	700	743.2	700

Item	Main	Standard	Rapid
	0	0	0
	38	16	22
	4	0	4
	0	0	0
	0	0	0
	0	0	0
History	42	16	26

Games since
	Main 42	Standard 16		Rapid 26		Blitz 0
Gender	Male
Age group	U10
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	4253		542		176
Male	3158		420		145
U10	413		54		18
U10 Male	309		35		14
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1648		126		38
Male	1260		100		32
U10	161		13		4
U10 Male	121		9		3
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	38	5.5	14.47	-302	1260.9	959
Standard	16	3	18.75	-265.6	1234.6	969
Rapid	22	2.5	11.36	-328.4	1280.1	951.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	42	8.5	20.24	-253	1255.1	1002.2
Standard	16	3	18.75	-265.6	1234.6	969
Rapid	26	5.5	21.15	-245.2	1267.8	1022.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1054.6	1062.2	1092.6	1200
2025-11-30	1054.6	1062.2	1092.6	1200
2025-11-01	1091.1	1100.8	1092.6	1200
2025-09-30	1124.5	1100.8	1218.6	1200
2025-09-01	1124.5	1100.8	1218.6	1200
2025-08-01	1215	1199.8	1218.6	1200
2025-07-01	1213.5	1199.8	1217.9	1200
2025-06-01	1215.9	1198.4	1243.2	1200
2025-05-01	1232	1200	1243.2	1200
2025-04-01	1232	1200	1243.2	1200
2025-03-01	1232	1200	1243.2	1200
2025-02-01	1232	1200	1243.2	1200
2025-01-01	1232	1200	1243.2	1200
2024-12-01	1232	1200	1243.2	1200
2024-11-01	1232	1200	1243.2	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	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	UCC Royal Cup 2025 (B)	2025-10-07	2025-11-05	Standard	Nelson Mandela Bay (ENM)	5	5	1.5	Yes	Analysis
2	Fide in the Bay 2025 (U12)	2025-10-04	2025-10-04	Rapid	Nelson Mandela Bay (ENM)	7	6	0	Yes	Analysis
3	UCC Rapid September 2025	2025-09-09	2025-09-23	Rapid	Nelson Mandela Bay (ENM)	6	4	1	Yes	Analysis
4	UCC Championship 2025 (B)	2025-07-22	2025-08-19	Standard	Nelson Mandela Bay (ENM)	5	4	0	Yes	Analysis
5	UCC Mind Over Board 2025 (B)	2025-08-01	2025-08-03	Standard	Nelson Mandela Bay (ENM)	5	5	1	Yes	Analysis
6	UCC Rapid July 2025	2025-07-08	2025-07-15	Rapid	Nelson Mandela Bay (ENM)	6	6	1	Yes	Analysis
7	UCC Rapid May 2025	2025-05-27	2025-06-17	Rapid	Nelson Mandela Bay (ENM)	6	6	0.5	Yes	Analysis
8	UCC Presidential Cup 2025 (B)	2025-04-08	2025-05-06	Standard	Nelson Mandela Bay (ENM)	5	2	0.5	Yes	Analysis
9	NMBCU Top Schools 2024 (Junior Primary)	2024-10-12	2024-10-12	Rapid	Nelson Mandela Bay (ENM)	5	4	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 1	type Rapid	result 0.5	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Harrison, L (Levi)				Opponent Marcus, Z (Zintle)
2	1	Tournament UCC Rapid September 2025				Tournament UCC Rapid September 2025
		date 2025-09-16	rnd 3	type Rapid	result 1	date 2025-09-16	rnd 3	type Rapid	result 1
		Opponent Sizani, U (Undivile)				Opponent Sizani, U (Undivile)
3	1	Tournament UCC Mind Over Board 2025				Tournament UCC Mind Over Board 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Lombard, L (Liam)				Opponent Lombard, L (Liam)

#	Games	Start				End
1	1	Tournament UCC Mind Over Board 2025				Tournament UCC Mind Over Board 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Lombard, L (Liam)				Opponent Lombard, L (Liam)
2	1	Tournament UCC Presidential Cup 2025				Tournament UCC Presidential Cup 2025
		date 2025-05-06	rnd 5	type Standard	result 0.5	date 2025-05-06	rnd 5	type Standard	result 0.5
		Opponent Andrews, T (Timothy)				Opponent Andrews, T (Timothy)

#	Games	Start				End
1	4	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 1	type Rapid	result 0.5	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Harrison, L (Levi)				Opponent Marcus, Z (Zintle)
2	1	Tournament UCC Rapid July 2025				Tournament UCC Rapid July 2025
		date 2025-07-15	rnd 5	type Rapid	result 1	date 2025-07-15	rnd 5	type Rapid	result 1
		Opponent Geyer, M (Mia)				Opponent Geyer, M (Mia)
3	1	Tournament UCC Rapid May 2025				Tournament UCC Rapid May 2025
		date 2025-06-03	rnd 4	type Rapid	result 0.5	date 2025-06-03	rnd 4	type Rapid	result 0.5
		Opponent Nkumanda, X (Xena)				Opponent Nkumanda, X (Xena)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament UCC Mind Over Board 2025				Tournament UCC Mind Over Board 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Lombard, L (Liam)				Opponent Lombard, L (Liam)
2	1	Tournament UCC Rapid July 2025				Tournament UCC Rapid July 2025
		date 2025-07-15	rnd 5	type Rapid	result 1	date 2025-07-15	rnd 5	type Rapid	result 1
		Opponent Geyer, M (Mia)				Opponent Geyer, M (Mia)
3	1	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 5	type Rapid	result 1	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Marcus, Z (Zintle)				Opponent Marcus, Z (Zintle)

#	Games	Start				End
1	1	Tournament UCC Mind Over Board 2025				Tournament UCC Mind Over Board 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Lombard, L (Liam)				Opponent Lombard, L (Liam)

#	Games	Start				End
1	1	Tournament UCC Rapid July 2025				Tournament UCC Rapid July 2025
		date 2025-07-15	rnd 5	type Rapid	result 1	date 2025-07-15	rnd 5	type Rapid	result 1
		Opponent Geyer, M (Mia)				Opponent Geyer, M (Mia)
2	1	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 5	type Rapid	result 1	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Marcus, Z (Zintle)				Opponent Marcus, Z (Zintle)
3	1	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 3	type Rapid	result 1	date 2024-10-12	rnd 3	type Rapid	result 1
		Opponent Ntsukunyane, B (Batho)				Opponent Ntsukunyane, B (Batho)

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	Deysel ,P (Pierre)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
1	Deysel ,P (Pierre)	2	1173.3	960.8	1	1182.9	1173.3	1	1180.7	748.3	0	0	0
2	Nell ,L (Liam)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Nell ,L (Liam)	2	1194.2	769.2	1	1194.4	769.2	1	1200	769.2	0	0	0
3	Coetzer ,H (Hanroux)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Coetzer ,H (Hanroux)	2	1221.2	796.2	1	1191	796.2	1	1164.1	796.2	0	0	0
4	Geyer ,M (Mia)	2	1	0	1	0	-425	1	1	425	0	0	0
4	Geyer ,M (Mia)	2	1108.8	1108.8	1	1139.3	683.8	1	1099.2	1533.8	0	0	0
5	Naidoo ,L (Leon)	2	0	-425	0	0	0	2	0	-425	0	0	0
5	Naidoo ,L (Leon)	2	1167	742	0	0	0	2	1182.1	742	0	0	0
6	Leonidas ,S (Shanique)	2	0	-425	0	0	0	2	0	-425	0	0	0
6	Leonidas ,S (Shanique)	2	1120.1	695.1	0	0	0	2	1172.4	695.1	0	0	0
7	Smith ,A (Ayden)	1	1	425	1	1	425	0	0	0	0	0	0
7	Smith ,A (Ayden)	1	1157.7	1582.7	1	1151	1582.7	0	0	0	0	0	0
8	Andrews ,T (Timothy)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Andrews ,T (Timothy)	1	1151	1151	1	1163.2	1151	0	0	0	0	0	0
9	Ralo ,X (Xhamla)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ralo ,X (Xhamla)	1	1262.4	837.4	1	1242.8	837.4	0	0	0	0	0	0
10	Lombard ,L (Liam)	1	1	425	1	1	425	0	0	0	0	0	0
10	Lombard ,L (Liam)	1	1065.7	1490.7	1	1089.2	1490.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Greeff, N (Nathan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms