Chess South Africa Ratings Database

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Personal

Perumal, D (Declan)

Chess SA id

1090097175

FIDE id

Date of birth

2009-10-09 (U18)

Gender

Male

Region

King Cetshwayo (KUR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

16.5

Junior GPX Points

1141.2

Item	Main	Standard	Rapid	Blitz
Rating	1301.7	1277.4	1342.4	1054
Raw rating	1301.7	1266.7	1342.4	1054
Weighted rating	1284.4	1277.4	1281.5	1054
Weighted performance	1238.7	1110.9	0	0
Floor	819	789.9	842.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	143.5	150.8	135.4	204.2
Highest rating	1409.4 2022-05-01	1304.7 2018-10-01	1608.3 2022-05-01	1200 2018-10-01
Highest raw rating	1319 2025-09-01	1289.9 2022-10-01	1342.4 2025-09-01	1200 2018-02-01
Highest weighted rating	1297.6 2024-02-01	1289.9 2024-02-01	1292.8 2024-03-01	1200 2018-10-01
Highest weighted performance	1409.4 2022-05-01	1304.7 2018-10-01	1608.3 2022-05-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0.9	0	0
New rating	1301.7	1276.5	1342.4	1054
Analysis
Rating	1301.7	1277.4	1342.4	1054
Raw rating	1301.7	1266.7	1342.4	1054
Weighted rating	1284.4	1277.4	1281.5
Weighted performance	1238.7	1110.9	0
K-factor	36	36	36	36
Floor	819	789.9	842.4	700
Max/Min rating change allowed	143.5	150.8	135.4	204.2
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	1301.7	1266.7	1342.4	1054
New weighted rating	1286	1276.5	1287	1054
New weighted performance	1231	1103.6	0	0
Temp new rating	1301.7	1276.5	1342.4	1054
Temp new rating +/-	0	-0.9	0	0
Final new rating +/-	0	-0.9	0	0
New rating	1301.7	1276.5	1342.4	1054
New K-factor	36	36	36	36
New floor	819	789.9	842.4	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	19	14	5	0
	7	7	0	0
	7	7	0	0
	31	16	15	0
	0	0	0	0
History	177	144	20	13

Games since
	Main 26	Standard 21		Rapid 5		Blitz 0
Gender	Male
Age group	U18
Region	King Cetshwayo (KUR)
Province	KwaZulu Natal (KZ)
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	9	47.37	-22.4	1304.3	1281.9
Standard	14	4	28.57	-182.1	1349.2	1167.1
Rapid	5	5	100	425	1178.3	1603.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	177	89.5	50.56	4.8	1160.7	1165.5
Standard	144	69	47.92	-17.7	1164.7	1147
Rapid	20	15.5	77.5	233.8	1168.7	1402.5
Blitz	13	5	38.46	-98.1	1104.2	1006.1

Date	Main	Standard	Rapid	Blitz
2025-11-01	1301.7	1266.7	1342.4	1054
2025-09-30	1317.2	1284.7	1342.4	1054
2025-09-01	1319	1277.9	1342.4	1054
2025-08-01	1276.1	1277.9	1263.3	1054
2025-07-01	1276	1277.8	1263.3	1054
2025-06-01	1274.4	1275.9	1263.3	1054
2025-05-01	1274.4	1275.8	1263.3	1054
2025-04-01	1276.6	1278.5	1263.3	1054
2025-03-01	1276.6	1278.5	1263.3	1054
2025-02-01	1276.6	1278.5	1263.3	1054
2025-01-01	1276.2	1278	1263.3	1054
2024-12-01	1276.2	1278	1263.3	1054
2024-11-01	1276.2	1278	1263.3	1054
2024-10-01	1276.2	1278	1263.3	1054
2024-09-01	1276.2	1278	1263.3	1054
2024-08-01	1276.2	1278	1263.3	1054
2024-07-01	1276.2	1278	1263.3	1054
2024-09-01	1276.2	1278	1263.3	1054
2024-05-01	1276.2	1278	1263.3	1054
2024-04-01	1276.2	1278	1263.3	1054
2024-03-01	1276.2	1278	1263.3	1054
2024-02-01	1277.7	1279.8	1263.3	1054
2024-01-01	1277.7	1279.8	1263.3	1054
2023-12-01	1277.7	1279.8	1263.3	1054

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	2025 King Cetshwayo Summer Open (Open)	2025-10-25	2025-10-25	Standard	King Cetshwayo (KUR)	5	5	2	Yes	Analysis
2	2025 Umhlathuze Mayoral Cup (U20)	2025-09-20	2025-09-20	Standard	King Cetshwayo (KUR)	5	4	2	Yes	Analysis
3	2025 King Cetshwayo Inter-School Teams Junior Primary (High School)	2025-08-02	2025-08-02	Rapid	King Cetshwayo (KUR)	5	5	5	Yes	Analysis
4	2025 King Cetshwayo Winter Open (Open)	2025-05-17	2025-05-17	Standard	King Cetshwayo (KUR)	5	2	0	Yes	Analysis
5	2025 King Cetshwayo Anniversary (Open)	2025-04-12	2025-04-12	Standard	King Cetshwayo (KUR)	5	3	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 King Cetshwayo Summer Open (Open)	2025-10-25	2025-10-25	Standard	King Cetshwayo (KUR)	5	5	2	Yes	Analysis
2	2025 Umhlathuze Mayoral Cup (U20)	2025-09-20	2025-09-20	Standard	King Cetshwayo (KUR)	5	4	2	Yes	Analysis
3	2025 King Cetshwayo Inter-School Teams Junior Primary (High School)	2025-08-02	2025-08-02	Rapid	King Cetshwayo (KUR)	5	5	5	Yes	Analysis
4	2025 King Cetshwayo Winter Open (Open)	2025-05-17	2025-05-17	Standard	King Cetshwayo (KUR)	5	2	0	Yes	Analysis
5	2025 King Cetshwayo Anniversary (Open)	2025-04-12	2025-04-12	Standard	King Cetshwayo (KUR)	5	3	0	Yes	Analysis
6	2024 King Cetshwayo Chess Open (B)	2024-02-17	2024-02-18	Standard	King Cetshwayo (KUR)	7	7	4	Yes	Analysis
7	2023 King Cetshwayo Chess Anniversary (U16)	2023-04-22	2023-04-23	Standard	King Cetshwayo (KUR)	7	7	4	Yes	Analysis
8	2022 Salga KZN Dsr Games KC Team Selections (U14)	2022-10-15	2022-10-15	Rapid	King Cetshwayo (KUR)	5	5	3	Yes	Analysis
9	2022 King Cetshwayo Junior & Intermediate (U14)	2022-10-29	2022-10-29	Rapid	King Cetshwayo (KUR)	5	5	2.5	Yes	Analysis
10	2022 Unizulu Chess Tournament (U10-U14)	2022-09-03	2022-09-04	Standard	King Cetshwayo (KUR)	7	7	4	Yes	Analysis
11	2022 Mlalazi Chess Championship (Junior)	2022-05-14	2022-05-14	Rapid	King Cetshwayo (KUR)	5	5	5	Yes	Analysis
12	2022 King Cetshwayo Championship (U14)	2022-05-28	2022-05-29	Standard	King Cetshwayo (KUR)	7	2	2	Yes	Analysis
13	2022 King Cetshwayo Open (U10-U14)	2022-02-19	2022-02-20	Standard	King Cetshwayo (KUR)	7	7	5	Yes	Analysis
14	2020 King Cetshwayo Anniversary (U12)	2020-03-14	2020-03-15	Standard	King Cetshwayo (KUR)	7	7	5.5	Yes	Analysis
15	2019 South African Junior Team Championships (U12C)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
16	2019 King Cetshwayo Winter (U12)	2019-08-31	2019-09-01	Standard	King Cetshwayo (KUR)	7	7	3	Yes	Analysis
17	2019 King Cetswayo Fun (Blitz)	2019-07-27	2019-07-27	Blitz	King Cetshwayo (KUR)	7	7	3	Yes	Analysis
18	2019 King Cetswayo Fun (U10-U14)	2019-07-27	2019-07-27	Standard	King Cetshwayo (KUR)	6	4	3	Yes	Analysis
19	2019 Unizulu Open (U10+U12)	2019-03-23	2019-03-24	Standard	Zululand (KUZ)	7	7	5	Yes	Analysis
20	2019 King Cetshwayo Anniversary (U8-U12)	2019-03-02	2019-03-03	Standard	King Cetshwayo (KUR)	7	7	3	Yes	Analysis
21	2019 King Cetshwayo Open (U8-U12)	2019-02-02	2019-02-03	Standard	King Cetshwayo (KUR)	7	7	3	Yes	Analysis
22	South African Junior Blitz 2018 (U10)	2018-12-19	2018-12-19	Blitz	4 Knights (4K)	7	6	2	Yes	Analysis
23	South African Junior Team Championships 2018 (U10B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
24	2018 King Cetshwayo Christmas Open (U8+U10)	2018-12-01	2018-12-02	Standard	King Cetshwayo (KUR)	7	7	3	Yes	Analysis
25	Mandeni Open 2018 (C)	2018-10-20	2018-10-20	Standard	iLembe (KIK)	5	4	3	Yes	Analysis
26	Salt Rock Chess Champs 2018 (Junior Primary)	2018-09-29	2018-09-29	Standard	iLembe (KIK)	5	4	2	Yes	Analysis
27	Luthuli And Kennedy Chess Challenge 2018 (Juniorr Primary + Beginners)	2018-09-15	2018-09-15	Standard	iLembe (KIK)	5	5	2	Yes	Analysis
28	2018 King Cetshwayo Winter Championship (U10)	2018-08-25	2018-08-26	Standard	King Cetshwayo (KUR)	7	7	5.5	Yes	Analysis
29	Curro Mount Richmore Chess Celebration 2018 (U10)	2018-08-18	2018-08-18	Standard	iLembe (KIK)	5	5	2	Yes	Analysis
30	2018 King Cetshwayo Championship (U10+U12)	2018-05-19	2018-09-20	Standard	King Cetshwayo (KUR)	7	2	2	Yes	Analysis
31	2018 King Cetshwayo Anniversary (B)	2018-03-17	2018-03-18	Standard	King Cetshwayo (KUR)	7	6	1	Yes	Analysis
32	2018 King Cetshwayo Summer (U10)	2018-02-17	2018-02-18	Standard	King Cetshwayo (KUR)	7	7	1	Yes	Analysis

#	Games	Start				End
1	7	Tournament 2022 Mlalazi Chess Championship				Tournament 2022 King Cetshwayo Championship
		date 2022-05-14	rnd 1	type Rapid	result 1	date 2022-05-29	rnd 7	type Standard	result 1
		Opponent Maseko, T (Takunda)				Opponent Mbokazi, N (Ntokozo)
2	6	Tournament 2025 King Cetshwayo Inter-School Teams Junior Primary				Tournament 2025 Umhlathuze Mayoral Cup
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-09-20	rnd 1	type Standard	result 1
		Opponent Shoba, S (Siyamthanda)				Opponent Wilson, I (Isabelle)
3	6	Tournament 2018 King Cetshwayo Winter Championship				Tournament 2018 King Cetshwayo Winter Championship
		date 2018-08-25	rnd 2	type Standard	result 1	date 2018-08-26	rnd 7	type Standard	result 1
		Opponent Nathaniel, R (Richelle)				Opponent Surujhlal, A (Arya)

#	Games	Start				End
1	6	Tournament 2018 King Cetshwayo Winter Championship				Tournament 2018 King Cetshwayo Winter Championship
		date 2018-08-25	rnd 2	type Standard	result 1	date 2018-08-26	rnd 7	type Standard	result 1
		Opponent Nathaniel, R (Richelle)				Opponent Surujhlal, A (Arya)
2	5	Tournament 2019 Unizulu Open				Tournament 2019 King Cetswayo Fun
		date 2019-03-23	rnd 4	type Standard	result 1	date 2019-07-27	rnd 1	type Standard	result 1
		Opponent Somnath, P (Peyton)				Opponent Rohhanlal, D (Dante)
3	4	Tournament 2020 King Cetshwayo Anniversary				Tournament 2022 King Cetshwayo Open
		date 2020-03-15	rnd 6	type Standard	result 0.5	date 2022-02-19	rnd 2	type Standard	result 1
		Opponent Gqibitole, WO (Wonga)				Opponent Opperman, E (Eagan)

#	Games	Start				End
1	6	Tournament 2022 King Cetshwayo Junior & Intermediate				Tournament 2025 King Cetshwayo Inter-School Teams Junior Primary
		date 2022-10-29	rnd 5	type Rapid	result 0.5	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Hlewayo, S (Sphiwokuhle)				Opponent Dladla, N (Nsukezinhle)
2	5	Tournament 2022 Mlalazi Chess Championship				Tournament 2022 Mlalazi Chess Championship
		date 2022-05-14	rnd 1	type Rapid	result 1	date 2022-05-14	rnd 5	type Rapid	result 1
		Opponent Maseko, T (Takunda)				Opponent Thabede, T (Thando)
3	3	Tournament 2022 Salga KZN Dsr Games KC Team Selections				Tournament 2022 Salga KZN Dsr Games KC Team Selections
		date 2022-10-15	rnd 3	type Rapid	result 1	date 2022-10-15	rnd 5	type Rapid	result 1
		Opponent Zuma, T (Thembelihle)				Opponent Xulu, F (Fanele)

#	Games	Start				End
1	2	Tournament 2019 King Cetswayo Fun				Tournament 2019 King Cetswayo Fun
		date 2019-07-28	rnd 6	type Blitz	result 1	date 2019-07-28	rnd 7	type Blitz	result 1
		Opponent Nxumalo, A (Amanda)				Opponent Abraham, A (Akaliah)
2	1	Tournament 2019 King Cetswayo Fun				Tournament 2019 King Cetswayo Fun
		date 2019-07-28	rnd 3	type Blitz	result 1	date 2019-07-28	rnd 3	type Blitz	result 1
		Opponent Biyela, S (Selusiwe)				Opponent Biyela, S (Selusiwe)
3	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 7	type Blitz	result 1	date 2018-12-19	rnd 7	type Blitz	result 1
		Opponent Liebenberg, M (Michael)				Opponent Liebenberg, M (Michael)

#	Games	Start				End
1	7	Tournament 2022 Mlalazi Chess Championship				Tournament 2022 King Cetshwayo Championship
		date 2022-05-14	rnd 1	type Rapid	result 1	date 2022-05-29	rnd 7	type Standard	result 1
		Opponent Maseko, T (Takunda)				Opponent Mbokazi, N (Ntokozo)
2	5	Tournament 2025 King Cetshwayo Inter-School Teams Junior Primary				Tournament 2025 King Cetshwayo Inter-School Teams Junior Primary
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Shoba, S (Siyamthanda)				Opponent Dladla, N (Nsukezinhle)
3	5	Tournament 2019 Unizulu Open				Tournament 2019 King Cetswayo Fun
		date 2019-03-23	rnd 4	type Standard	result 1	date 2019-07-27	rnd 1	type Standard	result 1
		Opponent Somnath, P (Peyton)				Opponent Rohhanlal, D (Dante)

#	Games	Start				End
1	5	Tournament 2019 Unizulu Open				Tournament 2019 King Cetswayo Fun
		date 2019-03-23	rnd 4	type Standard	result 1	date 2019-07-27	rnd 1	type Standard	result 1
		Opponent Somnath, P (Peyton)				Opponent Rohhanlal, D (Dante)
2	4	Tournament 2020 King Cetshwayo Anniversary				Tournament 2020 King Cetshwayo Anniversary
		date 2020-03-14	rnd 1	type Standard	result 1	date 2020-03-14	rnd 4	type Standard	result 1
		Opponent Gcwensa, S (Siyabonga)				Opponent Msane, A (Anesu)
3	3	Tournament 2023 King Cetshwayo Chess Anniversary				Tournament 2023 King Cetshwayo Chess Anniversary
		date 2023-04-22	rnd 3	type Standard	result 1	date 2023-04-23	rnd 5	type Standard	result 1
		Opponent Baboolal, Y (Yashika)				Opponent Kavuala, G (Grace)

#	Games	Start				End
1	5	Tournament 2025 King Cetshwayo Inter-School Teams Junior Primary				Tournament 2025 King Cetshwayo Inter-School Teams Junior Primary
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Shoba, S (Siyamthanda)				Opponent Dladla, N (Nsukezinhle)
2	5	Tournament 2022 Mlalazi Chess Championship				Tournament 2022 Mlalazi Chess Championship
		date 2022-05-14	rnd 1	type Rapid	result 1	date 2022-05-14	rnd 5	type Rapid	result 1
		Opponent Maseko, T (Takunda)				Opponent Thabede, T (Thando)
3	3	Tournament 2022 Salga KZN Dsr Games KC Team Selections				Tournament 2022 Salga KZN Dsr Games KC Team Selections
		date 2022-10-15	rnd 3	type Rapid	result 1	date 2022-10-15	rnd 5	type Rapid	result 1
		Opponent Zuma, T (Thembelihle)				Opponent Xulu, F (Fanele)

#	Games	Start				End
1	2	Tournament 2019 King Cetswayo Fun				Tournament 2019 King Cetswayo Fun
		date 2019-07-28	rnd 6	type Blitz	result 1	date 2019-07-28	rnd 7	type Blitz	result 1
		Opponent Nxumalo, A (Amanda)				Opponent Abraham, A (Akaliah)
2	1	Tournament 2019 King Cetswayo Fun				Tournament 2019 King Cetswayo Fun
		date 2019-07-28	rnd 3	type Blitz	result 1	date 2019-07-28	rnd 3	type Blitz	result 1
		Opponent Biyela, S (Selusiwe)				Opponent Biyela, S (Selusiwe)
3	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 7	type Blitz	result 1	date 2018-12-19	rnd 7	type Blitz	result 1
		Opponent Liebenberg, M (Michael)				Opponent Liebenberg, M (Michael)

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	Singh ,S (Shravan)	6	3	0	6	3	0	0	0	0	0	0	0
1	Singh ,S (Shravan)	6	1177.1	1177.1	6	1168.7	1177.1	0	0	0	0	0	0
2	Frankish ,J (Jenevieve)	5	2	-85	5	2	-85	0	0	0	0	0	0
2	Frankish ,J (Jenevieve)	5	1113.9	1028.9	5	1087.4	1028.9	0	0	0	0	0	0
3	Munsamy ,A (Azariah)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
3	Munsamy ,A (Azariah)	4	1114.9	1221.2	4	1081.6	1221.2	0	0	0	0	0	0
4	Reddy ,D (Damian)	3	0	-425	3	0	-425	0	0	0	0	0	0
4	Reddy ,D (Damian)	3	1258.2	833.2	3	1199.2	833.2	0	0	0	0	0	0
5	Reddy ,NL (Nolen Liam)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
5	Reddy ,NL (Nolen Liam)	3	974.8	833.1	3	910.3	833.1	0	0	0	0	0	0
6	Mathonsi ,A (Andile)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
6	Mathonsi ,A (Andile)	3	1211.9	1353.6	3	1216	1353.6	0	0	0	0	0	0
7	Wynne ,J (Jesse)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
7	Wynne ,J (Jesse)	3	1160.2	1018.6	3	1167	1018.6	0	0	0	0	0	0
8	Gqibitole ,WO (Wonga)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
8	Gqibitole ,WO (Wonga)	3	1099.4	1382.8	3	1098.4	1382.8	0	0	0	0	0	0
9	Govender ,TK (Trivae)	3	3	425	3	3	425	0	0	0	0	0	0
9	Govender ,TK (Trivae)	3	1230.2	1655.2	3	1243.2	1655.2	0	0	0	0	0	0
10	Adekola ,T (Treasure)	3	0	-425	3	0	-425	0	0	0	0	0	0
10	Adekola ,T (Treasure)	3	1451.9	1026.9	3	1460	1026.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Perumal, D (Declan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms