Chess South Africa Ratings Database

PLAYER PAGE

Personal

Iya, K (Kajua)

Chess SA id

1100158142

FIDE id

Date of birth

2010-03-16 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1209.3	1218	1200	1175.3
Raw rating	1209.3	1218	1200	1175.3
Weighted rating	1208.7	1218	1200	1171.9
Weighted performance	0	0	0	0
Floor	714.9	718	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.6	161.6	165.8	171.8
Highest rating	1280.7 2023-07-01	1279.6 2023-07-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1214.9 2024-03-01	1218 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1214.9 2024-07-01	1218 2025-06-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1280.7 2023-07-01	1279.6 2023-07-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1209.3	1218	1200	1175.3
Analysis
Rating	1209.3	1218	1200	1175.3
Raw rating	1209.3	1218	1200	1175.3
Weighted rating	1208.7	1218	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	714.9	718	700	700
Max/Min rating change allowed	163.6	161.6	165.8	171.8
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	1209.3	1218	1200	1175.3
New weighted rating	1208.7	1218	1200	1171.7
New weighted performance	0	0	0	0
Temp new rating	1209.3	1218	1200	1175.3
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1209.3	1218	1200	1175.3
New K-factor	36	36	36	36
New floor	714.9	718	700	700

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	8	0	8
	5	5	0
	0	0	0
	0	0	0
History	13	5	8

Games since
	Main 8	Standard 0		Rapid 0		Blitz 8
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	13	5.5	42.31	-65.4	1217.9	1152.5
Standard	5	3	60	85	1193.5	1278.5
Rapid	0	0	0	0	0	0
Blitz	8	2.5	31.25	-159.4	1233.2	1073.8

Date	Main	Standard	Rapid	Blitz
2025-09-30	1209.3	1218	1200	1175.3
2025-09-01	1209.3	1218	1200	1175.3
2025-08-01	1209.3	1218	1200	1175.3
2025-07-01	1209.3	1218	1200	1175.3
2025-06-01	1209.3	1218	1200	1175.3
2025-05-01	1209.3	1218	1200	1175.3
2025-04-01	1209.3	1218	1200	1175.3
2025-03-01	1209.3	1218	1200	1175.3
2025-02-01	1208.9	1218	1200	1174.1
2025-01-01	1203.7	1218	1200	1147.1
2024-12-01	1203.7	1218	1200	1147.1
2024-11-01	1203.7	1218	1200	1147.1
2024-10-01	1203.7	1218	1200	1147.1
2024-09-01	1203.7	1218	1200	1147.1
2024-08-01	1203.7	1218	1200	1147.1
2024-07-01	1214.9	1218	1200	1200
2024-06-01	1214.9	1218	1200	1200
2024-08-01	1214.9	1218	1200	1200
2024-04-01	1214.9	1218	1200	1200
2024-03-01	1214.9	1218	1200	1200
2024-02-01	1214.9	1218	1200	1200
2024-01-01	1214.9	1218	1200	1200
2023-12-01	1214.9	1218	1200	1200
2023-11-01	1214.9	1218	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	Helpmekaar Kollege Blitz Chess Invitational 2024 (A)	2024-07-27	2024-07-27	Blitz	Johannesburg Metro (GJM)	9	8	2.5	Yes	Analysis
2	Mzansi Spring Rapid 2023	2023-09-02	2023-09-02	Rapid	Johannesburg Metro (GJM)	7	0	0	No	Analysis
3	ThinkChess 6 July 2023	2023-07-06	2023-07-06	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 2	type Blitz	result 0.5	date 2024-07-27	rnd 3	type Blitz	result 1
		Opponent Yaregal, A (Aaron)				Opponent Strydom, L (Leyan)
2	2	Tournament ThinkChess 6 July 2023				Tournament ThinkChess 6 July 2023
		date 2023-07-06	rnd 2	type Standard	result 1	date 2023-07-06	rnd 3	type Standard	result 1
		Opponent Subroyen, J (Jeevesh)				Opponent Bazhko, M (Mikhail)
3	1	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 7	type Blitz	result 1	date 2024-07-27	rnd 7	type Blitz	result 1
		Opponent Du Toit, M (Megan)				Opponent Du Toit, M (Megan)

#	Games	Start				End
1	2	Tournament ThinkChess 6 July 2023				Tournament ThinkChess 6 July 2023
		date 2023-07-06	rnd 2	type Standard	result 1	date 2023-07-06	rnd 3	type Standard	result 1
		Opponent Subroyen, J (Jeevesh)				Opponent Bazhko, M (Mikhail)
2	1	Tournament ThinkChess 6 July 2023				Tournament ThinkChess 6 July 2023
		date 2023-07-06	rnd 5	type Standard	result 1	date 2023-07-06	rnd 5	type Standard	result 1
		Opponent Lederman, A (Azriel)				Opponent Lederman, A (Azriel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 2	type Blitz	result 0.5	date 2024-07-27	rnd 3	type Blitz	result 1
		Opponent Yaregal, A (Aaron)				Opponent Strydom, L (Leyan)
2	1	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 7	type Blitz	result 1	date 2024-07-27	rnd 7	type Blitz	result 1
		Opponent Du Toit, M (Megan)				Opponent Du Toit, M (Megan)

#	Games	Start				End
1	2	Tournament ThinkChess 6 July 2023				Tournament ThinkChess 6 July 2023
		date 2023-07-06	rnd 2	type Standard	result 1	date 2023-07-06	rnd 3	type Standard	result 1
		Opponent Subroyen, J (Jeevesh)				Opponent Bazhko, M (Mikhail)
2	1	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 7	type Blitz	result 1	date 2024-07-27	rnd 7	type Blitz	result 1
		Opponent Du Toit, M (Megan)				Opponent Du Toit, M (Megan)
3	1	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 3	type Blitz	result 1	date 2024-07-27	rnd 3	type Blitz	result 1
		Opponent Strydom, L (Leyan)				Opponent Strydom, L (Leyan)

#	Games	Start				End
1	2	Tournament ThinkChess 6 July 2023				Tournament ThinkChess 6 July 2023
		date 2023-07-06	rnd 2	type Standard	result 1	date 2023-07-06	rnd 3	type Standard	result 1
		Opponent Subroyen, J (Jeevesh)				Opponent Bazhko, M (Mikhail)
2	1	Tournament ThinkChess 6 July 2023				Tournament ThinkChess 6 July 2023
		date 2023-07-06	rnd 5	type Standard	result 1	date 2023-07-06	rnd 5	type Standard	result 1
		Opponent Lederman, A (Azriel)				Opponent Lederman, A (Azriel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 7	type Blitz	result 1	date 2024-07-27	rnd 7	type Blitz	result 1
		Opponent Du Toit, M (Megan)				Opponent Du Toit, M (Megan)
2	1	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 3	type Blitz	result 1	date 2024-07-27	rnd 3	type Blitz	result 1
		Opponent Strydom, L (Leyan)				Opponent Strydom, L (Leyan)

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	Lederman ,A (Azriel)	1	1	425	1	1	425	0	0	0	0	0	0
1	Lederman ,A (Azriel)	1	1221.9	1646.9	1	1234.8	1646.9	0	0	0	0	0	0
2	Benney ,J (Joshua)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Benney ,J (Joshua)	1	1225.1	800.1	1	1229.5	800.1	0	0	0	0	0	0
3	Bazhko ,M (Mikhail)	1	1	425	1	1	425	0	0	0	0	0	0
3	Bazhko ,M (Mikhail)	1	1051.7	1476.7	1	1029.2	1476.7	0	0	0	0	0	0
4	Burger ,B (Benjamin)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Burger ,B (Benjamin)	1	1279	854	1	1279.3	854	0	0	0	0	0	0
5	Subroyen ,J (Jeevesh)	1	1	425	1	1	425	0	0	0	0	0	0
5	Subroyen ,J (Jeevesh)	1	1189.7	1614.7	1	1189.2	1614.7	0	0	0	0	0	0
6	Du Toit ,M (Megan)	1	1	425	0	0	0	0	0	0	1	1	425
6	Du Toit ,M (Megan)	1	1200	1625	0	0	0	0	0	0	1	1200	1625
7	Barker ,R (Ryan)	1	0	-425	0	0	0	0	0	0	1	0	-425
7	Barker ,R (Ryan)	1	1400.5	975.5	0	0	0	0	0	0	1	1155.2	975.5
8	Sheik ,M (Mohammed)	1	0	-425	0	0	0	0	0	0	1	0	-425
8	Sheik ,M (Mohammed)	1	1211.5	786.5	0	0	0	0	0	0	1	1204.7	786.5
9	Sivasundr ,A (Aryan)	1	0	-425	0	0	0	0	0	0	1	0	-425
9	Sivasundr ,A (Aryan)	1	1200	775	0	0	0	0	0	0	1	1200	775
10	Strydom ,L (Leyan)	1	1	425	0	0	0	0	0	0	1	1	425
10	Strydom ,L (Leyan)	1	1230.4	1655.4	0	0	0	0	0	0	1	1153.2	1655.4

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Iya, K (Kajua)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms