Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kotze, N (Nathan Brian)

Chess SA id

1100317266

FIDE id

Date of birth

2010-12-06 (U18)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1227.3	1233.1	1200	1200
Raw rating	1227.3	1233.1	1200	1200
Weighted rating	1208.7	1210.7	1200	1200
Weighted performance	0	0	0	0
Floor	727.3	733.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	159.5	158.2	165.8	165.8
Highest rating	1227.3 2025-11-01	1233.1 2025-11-01	1200 2025-04-01	1200 2025-04-01
Highest raw rating	1227.3 2025-11-01	1233.1 2025-11-01	1200 2025-04-01	1200 2025-04-01
Highest weighted rating	1204.9 2025-11-01	1206 2025-11-01	1200 2025-04-01	1200 2025-04-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1227.3	1233.1	1200	1200
Analysis
Rating	1227.3	1233.1	1200	1200
Raw rating	1227.3	1233.1	1200	1200
Weighted rating	1208.7	1210.7	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	727.3	733.1	700	700
Max/Min rating change allowed	159.5	158.2	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	1227.3	1233.1	1200	1200
New weighted rating	1210.5	1212.9	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1227.3	1233.1	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1227.3	1233.1	1200	1200
New K-factor	36	36	36	36
New floor	727.3	733.1	700	700

Item	Main	Standard
	0	0
	25	25
	0	0
	0	0
	0	0
	0	0
History	25	25

Games since
	Main 25	Standard 25		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Sedibeng (GSV)
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	25	9.5	38	-102	1250.2	1148.2
Standard	25	9.5	38	-102	1250.2	1148.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	9.5	38	-102	1250.2	1148.2
Standard	25	9.5	38	-102	1250.2	1148.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1227.3	1233.1	1200	1200
2025-11-30	1227.3	1233.1	1200	1200
2025-11-01	1227.3	1233.1	1200	1200
2025-09-30	1221.3	1226.7	1200	1200
2025-09-01	1221.3	1226.7	1200	1200
2025-08-01	1199.3	1199.2	1200	1200
2025-07-01	1198.4	1197.9	1200	1200
2025-06-01	1198.8	1198.7	1200	1200
2025-05-01	1199.3	1199.2	1200	1200
2025-04-01	1195.8	1194.9	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	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	2025 Gauteng Top Schools Teams (U17)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
2	GDE (D8) Sedibeng West Schools - Teams 2025 (U17)	2025-08-16	2025-08-16	Standard	Sedibeng (GSV)	4	3	2	Yes	Analysis
3	GDE (D8) Sedibeng West Schools Individuals 2025 (U15 Boys)	2025-06-07	2025-06-07	Standard	Sedibeng (GSV)	5	3	1	Yes	Analysis
4	2025 Tshwane North School District CLOSED Individual Chess Championship (U15 Open)	2025-05-24	2025-05-24	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
5	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U15 Open)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	Hoerskool Drie Riviere Open 08 March 2025 (C)	2025-03-08	2025-03-08	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2025 Gauteng Top Schools Teams				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-30	rnd 1	type Standard	result 0.5	date 2025-08-30	rnd 3	type Standard	result 1
		Opponent Britz, J (Jayden)				Opponent Monametsi, E (Emmanuel)
2	2	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Klaassen, D (Dirk Hennie)				Opponent Mampuru, L (Lesedi)
3	2	Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship				Tournament GDE (D8) Sedibeng West Schools Individuals 2025
		date 2025-05-24	rnd 5	type Standard	result 1	date 2025-06-07	rnd 1	type Standard	result 1
		Opponent Mokoena, K (Katlego)				Opponent Ngwenya, T (Thabiso)

#	Games	Start				End
1	2	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Klaassen, D (Dirk Hennie)				Opponent Mampuru, L (Lesedi)
2	2	Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship				Tournament GDE (D8) Sedibeng West Schools Individuals 2025
		date 2025-05-24	rnd 5	type Standard	result 1	date 2025-06-07	rnd 1	type Standard	result 1
		Opponent Mokoena, K (Katlego)				Opponent Ngwenya, T (Thabiso)
3	2	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Van der Walt, L (Ludwig Louis)				Opponent Madikgetla, R (Rofhiwa)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Klaassen, D (Dirk Hennie)				Opponent Mampuru, L (Lesedi)
2	2	Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship				Tournament GDE (D8) Sedibeng West Schools Individuals 2025
		date 2025-05-24	rnd 5	type Standard	result 1	date 2025-06-07	rnd 1	type Standard	result 1
		Opponent Mokoena, K (Katlego)				Opponent Ngwenya, T (Thabiso)
3	2	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Van der Walt, L (Ludwig Louis)				Opponent Madikgetla, R (Rofhiwa)

#	Games	Start				End
1	2	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Klaassen, D (Dirk Hennie)				Opponent Mampuru, L (Lesedi)
2	2	Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship				Tournament GDE (D8) Sedibeng West Schools Individuals 2025
		date 2025-05-24	rnd 5	type Standard	result 1	date 2025-06-07	rnd 1	type Standard	result 1
		Opponent Mokoena, K (Katlego)				Opponent Ngwenya, T (Thabiso)
3	2	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Van der Walt, L (Ludwig Louis)				Opponent Madikgetla, R (Rofhiwa)

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	Sefafe ,P (Poloko)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Sefafe ,P (Poloko)	1	1239.4	814.4	1	1203.7	814.4	0	0	0	0	0	0
2	Britz ,J (Jayden)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Britz ,J (Jayden)	1	1228.8	1228.8	1	1233.9	1228.8	0	0	0	0	0	0
3	Mokoena ,K (Katlego)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mokoena ,K (Katlego)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Mabuse ,DD (Dikgabane Diatile)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mabuse ,DD (Dikgabane Diatile)	1	1411.3	986.3	1	1438.3	986.3	0	0	0	0	0	0
5	Tsotetsi ,T (Thabang)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Tsotetsi ,T (Thabang)	1	1202	777	1	1201.8	777	0	0	0	0	0	0
6	Ngwenya ,T (Thabiso)	1	1	425	1	1	425	0	0	0	0	0	0
6	Ngwenya ,T (Thabiso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Ntshangase ,S (Sifiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ntshangase ,S (Sifiso)	1	1422.3	997.3	1	1404.9	997.3	0	0	0	0	0	0
8	Madikgetla ,R (Rofhiwa)	1	1	425	1	1	425	0	0	0	0	0	0
8	Madikgetla ,R (Rofhiwa)	1	1199.5	1624.5	1	1199.4	1624.5	0	0	0	0	0	0
9	Mampuru ,L (Lesedi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mampuru ,L (Lesedi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Monametsi ,E (Emmanuel)	1	1	425	1	1	425	0	0	0	0	0	0
10	Monametsi ,E (Emmanuel)	1	1195.8	1620.8	1	1194.2	1620.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Kotze, N (Nathan Brian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms