Chess South Africa Ratings Database

PLAYER PAGE

Personal

Chidi, J (Junior)

Chess SA id

1070318857

FIDE id

Date of birth

2007-10-25 (U20)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1212.1	1200.3	1259.7	1199.5
Raw rating	1199.8	1165.5	1259.7	1199.5
Weighted rating	1212.1	1200.3	1221.7	1199.5
Weighted performance	1124.9	1107.5	0	0
Floor	767.6	755.9	759.7	699.9
K-factor	36	36	36	40
Min/Max rating change allowed	165.9	174.2	152.3	165.9
Highest rating	1281.8 2025-09-01	1255.9 2025-07-01	1259.7 2025-09-01	1199.9 2025-03-28
Highest raw rating	1267.6 2025-09-01	1255.9 2025-07-01	1259.7 2025-09-01	1199.9 2025-03-28
Highest weighted rating	1214.2 2025-09-01	1210.3 2025-08-01	1204.5 2025-09-01	1199.9 2025-03-28
Highest weighted performance	1281.8 2025-09-01	1131.8 2025-11-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.7	-2.9	0	0
New rating	1211.4	1197.4	1259.7	1199.5
Analysis
Rating	1212.1	1200.3	1259.7	1199.5
Raw rating	1199.8	1165.5	1259.7	1199.5
Weighted rating	1212.1	1200.3	1221.7
Weighted performance	1124.9	1107.5	0
K-factor	36	36	36	40
Floor	767.6	755.9	759.7	699.9
Max/Min rating change allowed	165.9	174.2	152.3	165.9
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	1199.8	1165.5	1259.7	1199.5
New weighted rating	1211.4	1197.4	1225.5	1199.5
New weighted performance	1117.2	1099.9	0	0
Temp new rating	1211.4	1197.4	1259.7	1199.5
Temp new rating +/-	-0.7	-2.9	0	0
Final new rating +/-	-0.7	-2.9	0	0
New rating	1211.4	1197.4	1259.7	1199.5
New K-factor	36	36	36	40
New floor	767.6	755.9	759.7	699.9

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	47	29	11	7
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	47	29	11	7

Games since
	Main 47	Standard 29		Rapid 11		Blitz 7
Gender	Male
Age group	U20
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	4057		1324		116
Male	3044		997		87
U20	272		72		14
U20 Male	205		53		12
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	47	17	36.17	-117.6	1335.7	1218.1
Standard	29	9	31.03	-161.2	1370.4	1209.2
Rapid	11	6	54.55	38.6	1249.2	1287.9
Blitz	7	2	28.57	-182.1	1327.3	1145.2
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	47	17	36.17	-117.6	1335.7	1218.1
Standard	29	9	31.03	-161.2	1370.4	1209.2
Rapid	11	6	54.55	38.6	1249.2	1287.9
Blitz	7	2	28.57	-182.1	1327.3	1145.2

Date	Main	Standard	Rapid	Blitz
2026-01-01	1199.8	1165.5	1259.7	1199.5
2025-11-30	1199.8	1165.5	1259.7	1199.5
2025-11-01	1199.8	1165.5	1259.7	1199.5
2025-09-30	1206.7	1172	1259.7	1199.5
2025-09-01	1267.6	1231.4	1259.7	1199.5
2025-08-01	1228.5	1231.4	1199.8	1199.5
2025-07-01	1249.4	1255.9	1199.8	1199.5
2025-06-01	1243.4	1248.1	1199.8	1199.5
2025-05-01	1199.8	1200	1199.6	1199.3
2025-04-01	1198.9	1200	1197.5	1195.3
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	West Rand Closed 2025 (U20)	2025-10-18	2025-10-18	Standard	West Rand (GWR)	5	4	1	Yes	Analysis
2	West Rand Trials 2025 (U20)	2025-09-06	2025-09-06	Standard	West Rand (GWR)	5	5	0	Yes	Analysis
3	Bojanala's Clash Of Schools 2025 (Championship Open)	2025-08-02	2025-08-02	Rapid	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
4	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	11	3	Yes	Analysis
5	West Rand Open 2.0 2025 (Rooks)	2025-06-07	2025-06-07	Standard	West Rand (GWR)	5	4	2	Yes	Analysis
6	2025 D2 Schools Individuals (U18 Open)	2025-05-10	2025-05-10	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
7	Uni-Mates Chess Fundraiser Tournament 2025 (Rooks)	2025-03-22	2025-03-22	Rapid	West Rand (GWR)	7	6	2	Yes	Analysis
8	Uni-Mates Chess Fundraiser Tournament 2025 (Blitz)	2025-03-22	2025-03-22	Blitz	West Rand (GWR)	7	7	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Bojanala's Clash Of Schools 2025				Tournament Bojanala's Clash Of Schools 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Steyn, T (Tristan)				Opponent Prinsloo, DL (Derrick Loek)
2	3	Tournament 2025 D2 Schools Individuals				Tournament West Rand Open 2.0 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-06-07	rnd 1	type Standard	result 1
		Opponent Reynolds, D (Dean)				Opponent Pretorius, C (Chanmari)
3	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-04	rnd 9	type Standard	result 1	date 2025-07-04	rnd 10	type Standard	result 1
		Opponent Chademuwiri, N (Ndangariro)				Opponent Diseko, R (Rethabile)

#	Games	Start				End
1	3	Tournament 2025 D2 Schools Individuals				Tournament West Rand Open 2.0 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-06-07	rnd 1	type Standard	result 1
		Opponent Reynolds, D (Dean)				Opponent Pretorius, C (Chanmari)
2	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-04	rnd 9	type Standard	result 1	date 2025-07-04	rnd 10	type Standard	result 1
		Opponent Chademuwiri, N (Ndangariro)				Opponent Diseko, R (Rethabile)
3	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-06-29	rnd 3	type Standard	result 1	date 2025-06-29	rnd 3	type Standard	result 1
		Opponent Mbasane, D (David)				Opponent Mbasane, D (David)

#	Games	Start				End
1	4	Tournament Bojanala's Clash Of Schools 2025				Tournament Bojanala's Clash Of Schools 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Steyn, T (Tristan)				Opponent Prinsloo, DL (Derrick Loek)
2	1	Tournament Uni-Mates Chess Fundraiser Tournament 2025				Tournament Uni-Mates Chess Fundraiser Tournament 2025
		date 2025-03-22	rnd 6	type Rapid	result 1	date 2025-03-22	rnd 6	type Rapid	result 1
		Opponent Xaba, K (Khethang)				Opponent Xaba, K (Khethang)
3	1	Tournament Uni-Mates Chess Fundraiser Tournament 2025				Tournament Uni-Mates Chess Fundraiser Tournament 2025
		date 2025-03-22	rnd 2	type Rapid	result 1	date 2025-03-22	rnd 2	type Rapid	result 1
		Opponent Phage, T (Thato)				Opponent Phage, T (Thato)

#	Games	Start				End
1	1	Tournament Uni-Mates Chess Fundraiser Tournament 2025				Tournament Uni-Mates Chess Fundraiser Tournament 2025
		date 2025-03-22	rnd 4	type Blitz	result 1	date 2025-03-22	rnd 4	type Blitz	result 1
		Opponent Lebabo, O (Olerato Aobakwe)				Opponent Lebabo, O (Olerato Aobakwe)
2	1	Tournament Uni-Mates Chess Fundraiser Tournament 2025				Tournament Uni-Mates Chess Fundraiser Tournament 2025
		date 2025-03-22	rnd 2	type Blitz	result 1	date 2025-03-22	rnd 2	type Blitz	result 1
		Opponent Kamffer, J (John-Andrew)				Opponent Kamffer, J (John-Andrew)

#	Games	Start				End
1	4	Tournament Bojanala's Clash Of Schools 2025				Tournament Bojanala's Clash Of Schools 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Steyn, T (Tristan)				Opponent Prinsloo, DL (Derrick Loek)
2	3	Tournament 2025 D2 Schools Individuals				Tournament West Rand Open 2.0 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-06-07	rnd 1	type Standard	result 1
		Opponent Reynolds, D (Dean)				Opponent Pretorius, C (Chanmari)
3	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-04	rnd 9	type Standard	result 1	date 2025-07-04	rnd 10	type Standard	result 1
		Opponent Chademuwiri, N (Ndangariro)				Opponent Diseko, R (Rethabile)

#	Games	Start				End
1	3	Tournament 2025 D2 Schools Individuals				Tournament West Rand Open 2.0 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-06-07	rnd 1	type Standard	result 1
		Opponent Reynolds, D (Dean)				Opponent Pretorius, C (Chanmari)
2	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-04	rnd 9	type Standard	result 1	date 2025-07-04	rnd 10	type Standard	result 1
		Opponent Chademuwiri, N (Ndangariro)				Opponent Diseko, R (Rethabile)
3	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-06-29	rnd 3	type Standard	result 1	date 2025-06-29	rnd 3	type Standard	result 1
		Opponent Mbasane, D (David)				Opponent Mbasane, D (David)

#	Games	Start				End
1	4	Tournament Bojanala's Clash Of Schools 2025				Tournament Bojanala's Clash Of Schools 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Steyn, T (Tristan)				Opponent Prinsloo, DL (Derrick Loek)
2	1	Tournament Uni-Mates Chess Fundraiser Tournament 2025				Tournament Uni-Mates Chess Fundraiser Tournament 2025
		date 2025-03-22	rnd 6	type Rapid	result 1	date 2025-03-22	rnd 6	type Rapid	result 1
		Opponent Xaba, K (Khethang)				Opponent Xaba, K (Khethang)
3	1	Tournament Uni-Mates Chess Fundraiser Tournament 2025				Tournament Uni-Mates Chess Fundraiser Tournament 2025
		date 2025-03-22	rnd 2	type Rapid	result 1	date 2025-03-22	rnd 2	type Rapid	result 1
		Opponent Phage, T (Thato)				Opponent Phage, T (Thato)

#	Games	Start				End
1	1	Tournament Uni-Mates Chess Fundraiser Tournament 2025				Tournament Uni-Mates Chess Fundraiser Tournament 2025
		date 2025-03-22	rnd 4	type Blitz	result 1	date 2025-03-22	rnd 4	type Blitz	result 1
		Opponent Lebabo, O (Olerato Aobakwe)				Opponent Lebabo, O (Olerato Aobakwe)
2	1	Tournament Uni-Mates Chess Fundraiser Tournament 2025				Tournament Uni-Mates Chess Fundraiser Tournament 2025
		date 2025-03-22	rnd 2	type Blitz	result 1	date 2025-03-22	rnd 2	type Blitz	result 1
		Opponent Kamffer, J (John-Andrew)				Opponent Kamffer, J (John-Andrew)

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	Sibanda ,M (Marlvin)	2	1	0	2	1	0	0	0	0	0	0	0
1	Sibanda ,M (Marlvin)	2	1322.4	1322.4	2	1340.2	1322.4	0	0	0	0	0	0
2	Visi ,M (Moloko)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Visi ,M (Moloko)	2	1544.6	1119.6	2	1598.3	1119.6	0	0	0	0	0	0
3	Ngobeni ,N (Ntumbuluko)	2	1	0	2	1	0	0	0	0	0	0	0
3	Ngobeni ,N (Ntumbuluko)	2	1398.8	1398.8	2	1417.7	1398.8	0	0	0	0	0	0
4	Philemon ,A (Adriaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Philemon ,A (Adriaan)	1	1232.7	807.7	1	1240	807.7	0	0	0	0	0	0
5	Cronje ,J (Johannes Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Cronje ,J (Johannes Christiaan)	1	1427.4	1002.4	1	1416.3	1002.4	0	0	0	0	0	0
6	Chauke ,J (Jesse)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Chauke ,J (Jesse)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Rasakanya ,M (Maabu Ephraim)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Rasakanya ,M (Maabu Ephraim)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Dien ,J (James)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Dien ,J (James)	1	1475	1050	1	1475	1050	0	0	0	0	0	0
9	Ilunga ,G (Gradi)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ilunga ,G (Gradi)	1	1485.5	1060.5	1	1485.9	1060.5	0	0	0	0	0	0
10	Mtimkulu ,L (Lerato)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mtimkulu ,L (Lerato)	1	1519.3	1094.3	1	1521	1094.3	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

Chidi, J (Junior)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms