Chess South Africa Ratings Database

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Personal

Ndlanzi, I (Isaac)

Chess SA id

1090306661

FIDE id

Date of birth

2009-02-14 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

16.5

Junior GPX Points

1386.5

Item	Main	Standard	Rapid	Blitz
Rating	1337	1340.9	1241.5	1200
Raw rating	1337	1340.9	1241.5	1200
Weighted rating	1287	1283.8	1218.7	1200
Weighted performance	0	0	0	0
Floor	837	840.9	741.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	136.4	135.7	156.3	165.8
Highest rating	1373.2 2024-07-01	1340.9 2025-04-01	1331.6 2024-07-01	1200 2024-11-01
Highest raw rating	1337 2025-11-01	1340.9 2025-04-01	1241.5 2025-11-01	1200 2024-11-01
Highest weighted rating	1287 2025-11-01	1259.7 2025-08-01	1219.2 2024-10-01	1200 2024-11-01
Highest weighted performance	1373.2 2024-07-01	1200 2024-11-01	1331.6 2024-07-01	1200 2024-11-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1337	1340.9	1241.5	1200
Analysis
Rating	1337	1340.9	1241.5	1200
Raw rating	1337	1340.9	1241.5	1200
Weighted rating	1287	1283.8	1218.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	837	840.9	741.5	700
Max/Min rating change allowed	136.4	135.7	156.3	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	1337	1340.9	1241.5	1200
New weighted rating	1293.4	1290.9	1220.9	1200
New weighted performance	0	0	0	0
Temp new rating	1337	1340.9	1241.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1337	1340.9	1241.5	1200
New K-factor	36	36	36	36
New floor	837	840.9	741.5	700

Item	Main	Standard	Rapid
	0	0	0
	19	14	5
	3	0	3
	0	0	0
	0	0	0
	0	0	0
History	22	14	8

Games since
	Main 22	Standard 14		Rapid 8		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	19	12	63.16	111.8	1338.6	1450.4
Standard	14	9	64.29	121.4	1370.4	1491.8
Rapid	5	3	60	85	1249.6	1334.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	14	63.64	115.9	1333.1	1449
Standard	14	9	64.29	121.4	1370.4	1491.8
Rapid	8	5	62.5	106.2	1267.7	1374
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1337	1340.9	1241.5	1200
2025-09-30	1336.1	1340.9	1219.2	1200
2025-09-01	1336.1	1340.9	1219.2	1200
2025-08-01	1336.1	1340.9	1219.2	1200
2025-07-01	1336.1	1340.9	1219.2	1200
2025-06-01	1336.1	1340.9	1219.2	1200
2025-05-01	1336.1	1340.9	1219.2	1200
2025-04-01	1336.1	1340.9	1219.2	1200
2025-03-01	1322.5	1326.5	1219.2	1200
2025-02-01	1221.4	1200	1219.2	1200
2025-01-01	1221.4	1200	1219.2	1200
2024-12-01	1221.4	1200	1219.2	1200
2024-11-01	1221.4	1200	1219.2	1200
2024-10-01	1221.4	1200	1219.2	1200
2024-09-01	1221.4	1200	1219.2	1200
2024-08-01	1221.4	1200	1219.2	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	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
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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	Chess Molecules Rapid 2025 (A)	2025-09-20	2025-09-20	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Chess Power House March Open 2025 (B)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
4	CPH Primrose Open 2025 (B)	2025-02-08	2025-02-08	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess Molecules Rapid 2025 (A)	2025-09-20	2025-09-20	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Chess Power House March Open 2025 (B)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
4	CPH Primrose Open 2025 (B)	2025-02-08	2025-02-08	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
5	Kempton Park Cluster Teams 2024 (U15)	2024-07-13	2024-07-13	Rapid	Ekurhuleni (GE)	3	3	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament CPH Primrose Open 2025				Tournament Chess Power House March Open 2025
		date 2025-02-08	rnd 4	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Nkuna, A (Annah)				Opponent Mankena, S (Satvik Ram)
2	2	Tournament Chess Molecules Rapid 2025				Tournament Chess Molecules Rapid 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 5	type Rapid	result 1
		Opponent Mathole, U (Unathi)				Opponent Nhlengethwa, T (Ticiano Costa)
3	2	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Boonzaaier, A (Adrian)				Opponent Naidoo, M (Mateo Ronald)

#	Games	Start				End
1	7	Tournament CPH Primrose Open 2025				Tournament Chess Power House March Open 2025
		date 2025-02-08	rnd 4	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Nkuna, A (Annah)				Opponent Mankena, S (Satvik Ram)
2	1	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Mbire, S (Shantel)				Opponent Mbire, S (Shantel)
3	1	Tournament CPH Primrose Open 2025				Tournament CPH Primrose Open 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-08	rnd 2	type Standard	result 1
		Opponent Chupo, T (Thato)				Opponent Chupo, T (Thato)

#	Games	Start				End
1	2	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Boonzaaier, A (Adrian)				Opponent Naidoo, M (Mateo Ronald)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament CPH Primrose Open 2025				Tournament Chess Power House March Open 2025
		date 2025-02-08	rnd 4	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Nkuna, A (Annah)				Opponent Mankena, S (Satvik Ram)
2	2	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Boonzaaier, A (Adrian)				Opponent Naidoo, M (Mateo Ronald)
3	1	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Mbire, S (Shantel)				Opponent Mbire, S (Shantel)

#	Games	Start				End
1	7	Tournament CPH Primrose Open 2025				Tournament Chess Power House March Open 2025
		date 2025-02-08	rnd 4	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Nkuna, A (Annah)				Opponent Mankena, S (Satvik Ram)
2	1	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Mbire, S (Shantel)				Opponent Mbire, S (Shantel)
3	1	Tournament CPH Primrose Open 2025				Tournament CPH Primrose Open 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-08	rnd 2	type Standard	result 1
		Opponent Chupo, T (Thato)				Opponent Chupo, T (Thato)

#	Games	Start				End
1	2	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Boonzaaier, A (Adrian)				Opponent Naidoo, M (Mateo Ronald)

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	Naidoo ,T (Talin)	1	1	425	1	1	425	0	0	0	0	0	0
1	Naidoo ,T (Talin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Elsaigh ,A (Ali)	1	1	425	1	1	425	0	0	0	0	0	0
2	Elsaigh ,A (Ali)	1	1263.9	1688.9	1	1263	1688.9	0	0	0	0	0	0
3	Mbire ,S (Shantel)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mbire ,S (Shantel)	1	1197.2	1622.2	1	1196.6	1622.2	0	0	0	0	0	0
4	Subroyen ,J (Jeevesh)	1	1	425	1	1	425	0	0	0	0	0	0
4	Subroyen ,J (Jeevesh)	1	1310.9	1735.9	1	1294.2	1735.9	0	0	0	0	0	0
5	Sithole ,ML (Mfanimpela Lucas)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Sithole ,ML (Mfanimpela Lucas)	1	1510.3	1085.3	1	1522.9	1085.3	0	0	0	0	0	0
6	Ngubeni ,JM (Jackie)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ngubeni ,JM (Jackie)	1	1634.1	1209.1	1	1588.6	1209.1	0	0	0	0	0	0
7	Strickler ,L (Luke)	1	1	425	1	1	425	0	0	0	0	0	0
7	Strickler ,L (Luke)	1	1265.9	1690.9	1	1262.3	1690.9	0	0	0	0	0	0
8	Khondowe ,D (Davidson)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Khondowe ,D (Davidson)	1	1608.8	1183.8	1	1655.1	1183.8	0	0	0	0	0	0
9	Roetz ,K (Kyle)	1	1	425	1	1	425	0	0	0	0	0	0
9	Roetz ,K (Kyle)	1	1296.1	1721.1	1	1253.6	1721.1	0	0	0	0	0	0
10	Zulu ,L (Luther Gugulethu)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Zulu ,L (Luther Gugulethu)	1	1440.6	1015.6	1	1444.3	1015.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ndlanzi, I (Isaac)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms