Chess South Africa Ratings Database

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Personal

Platen, D (Declan)

Chess SA id

1050157066

FIDE id

Date of birth

2005-06-11 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-11-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1601.1	1587.5	1480.9	1199.5
Raw rating	1601.1	1587.5	1480.9	1199.5
Weighted rating	1538.8	1531.6	1401.8	1199.4
Weighted performance	1347.2	1384.6	1326.6	0
Floor	1101.1	1087.5	980.9	700
K-factor	28	32	32	36
Min/Max rating change allowed	93.6	95.5	111.1	165.9
Highest rating	1601.1 2025-11-01	1587.5 2025-11-01	1480.9 2025-08-01	1200 2018-10-01
Highest raw rating	1601.1 2025-11-01	1587.5 2025-11-01	1480.9 2025-08-01	1200 2024-02-01
Highest weighted rating	1529.6 2025-11-01	1523.5 2025-11-01	1349.5 2025-08-01	1200 2018-10-01
Highest weighted performance	1538 2025-04-01	1575.7 2023-09-01	1453.5 2024-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-31.3	0	-59.8	-0.8
New rating	1569.8	1587.5	1421	1198.6
Analysis
Rating	1601.1	1587.5	1480.9	1199.5
Raw rating	1601.1	1587.5	1480.9	1199.5
Weighted rating	1538.8	1531.6	1401.8
Weighted performance	1347.2	1384.6	1326.6
K-factor	28	32	32	36
Floor	1101.1	1087.5	980.9	700
Max/Min rating change allowed	93.6	95.5	111.1	165.9
Games	13	0	7	6
Score	1	0	0	1
Expected score	2.12	0	1.87	1.26
Score-Expected	-1.12	0	-1.87	-0.26
Temp raw +/-	-31.3	0	-59.8	-9.4
Final raw +/-	-31.3	0	-59.8	-9.4
New raw rating	1569.8	1587.5	1421	1190.1
New weighted rating	1544.7	1539.1	1407.9	1198.6
New weighted performance	1344.2	1373.3	1327.9	0
Temp new rating	1569.8	1587.5	1421	1198.6
Temp new rating +/-	-31.3	0	-59.8	-0.8
Final new rating +/-	-31.3	0	-59.8	-0.8
New rating	1569.8	1587.5	1421	1198.6
New K-factor	28	32	32	36
New floor	1101.1	1087.5	980.9	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	43	20	11	12
	49	31	18	0
	31	19	12	0
	0	0	0	0
	0	0	0	0
History	123	70	41	12

Games since
	Main 104	Standard 57		Rapid 35		Blitz 12
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	639		194		126
Male	574		175		113
Adult	284		92		68
Adult Male	265		85		62
Standard
	RSA		Province		Region
Overall	664		174		119
Male	587		154		106
Adult	276		76		59
Adult Male	259		71		56
Rapid
	RSA		Province		Region
Overall	276		132		65
Male	247		118		62
Adult	110		36		24
Adult Male	101		35		23
Blitz
	RSA		Province		Region
Overall	492		180		72
Male	434		161		68
Adult	250		102		48
Adult Male	236		95		45


	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	43	21.5	50	0	1579.9	1579.9
Standard	20	11	55	42.5	1627	1669.5
Rapid	11	7.5	68.18	154.5	1519.5	1674.1
Blitz	12	3	25	-212.5	1556.7	1344.2
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	123	72.5	58.94	76	1450.2	1526.2
Standard	70	47	67.14	145.7	1417.6	1563.3
Rapid	41	22.5	54.88	41.5	1474.8	1516.2
Blitz	12	3	25	-212.5	1556.7	1344.2

Date	Main	Standard	Rapid	Blitz
2025-11-30	1601.1	1587.5	1480.9	1199.5
2025-11-01	1601.1	1587.5	1480.9	1199.5
2025-09-30	1580.3	1562.6	1480.9	1199.5
2025-09-01	1580.3	1562.6	1480.9	1199.5
2025-08-01	1580.3	1562.6	1480.9	1199.5
2025-07-01	1567.3	1562.6	1453.5	1199.5
2025-06-01	1567.3	1562.6	1453.5	1199.5
2025-05-01	1567.3	1562.6	1453.5	1199.1
2025-04-01	1567.3	1562.6	1453.5	1194.5
2025-03-01	1515.3	1499.8	1381.8	1200
2025-02-01	1515.3	1499.8	1381.8	1200
2025-01-01	1509.5	1490.9	1381.8	1200
2024-12-01	1486.6	1490.9	1276.7	1200
2024-11-01	1486.6	1490.9	1276.7	1200
2024-10-01	1514.3	1513.6	1262.3	1200
2024-09-01	1446.7	1459.2	1262.3	1200
2024-08-01	1446.7	1459.2	1262.3	1200
2024-10-01	1446.7	1459.2	1262.3	1200
2024-06-01	1456.9	1484.8	1218.7	1200
2024-05-01	1398.7	1401.6	1218.7	1200
2024-04-01	1398.7	1401.6	1218.7	1200
2024-03-01	1359.2	1367.8	1218.7	1200
2024-02-01	1359.2	1367.8	1218.7	1200
2024-01-01	1359.2	1367.8	1218.7	1200

Comming soon.

Tournaments

History

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Royal Alphas Chess Club Club Championship 2025 (Invitational Rapid)	2025-11-30	2025-11-30	Rapid	Cape Town (WCT)	7	7	0	Yes	Analysis
2	Royal Alphas Chess Club Club Championship 2025 (Invitational Blitz)	2025-11-30	2025-11-30	Blitz	Cape Town (WCT)	7	6	1	Yes	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Royal Alphas Chess Club Club Championship 2025 (Invitational Rapid)	2025-11-30	2025-11-30	Rapid	Cape Town (WCT)	7	7	0	Yes	Analysis
2	Royal Alphas Chess Club Club Championship 2025 (Invitational Blitz)	2025-11-30	2025-11-30	Blitz	Cape Town (WCT)	7	6	1	Yes	Analysis
3	Cape Town Chess Federation Club League 2025 (A)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	4	3	Yes	Analysis
4	Cape Town Chess Federation Club League 2025 (B)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	5	1.5	Yes	Analysis
5	4th Curro Durbanville Rapid Open 2025 (Advanced)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	4	3	Yes	Analysis
6	Rylib Autumn Slam 2025 (Intermediate)	2025-04-26	2025-04-26	Rapid	Cape Town (WCT)	6	0	0	No	Analysis
7	Cape Town Open Chess Festival 2025 (B)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
8	Cape Town Open Chess Festival 2025 (Team Blitz)	2025-03-21	2025-03-21	Blitz	Cape Town (WCT)	6	5	0	Yes	Analysis
9	Steinitz Festival 2025 (Open)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	7	4.5	Yes	Analysis
10	Steinitz Festival 2025 (Blitz)	2025-03-14	2025-03-14	Blitz	Cape Town (WCT)	7	7	3	Yes	Analysis
11	2025 Kraaifontein Open Chess Championships (Championship)	2025-01-04	2025-01-05	Standard	Cape Town (WCT)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Royal Alphas Chess Club Club Championship 2025 (Invitational Rapid)	2025-11-30	2025-11-30	Rapid	Cape Town (WCT)	7	7	0	Yes	Analysis
2	Royal Alphas Chess Club Club Championship 2025 (Invitational Blitz)	2025-11-30	2025-11-30	Blitz	Cape Town (WCT)	7	6	1	Yes	Analysis
3	Cape Town Chess Federation Club League 2025 (A)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	4	3	Yes	Analysis
4	Cape Town Chess Federation Club League 2025 (B)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	5	1.5	Yes	Analysis
5	4th Curro Durbanville Rapid Open 2025 (Advanced)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	4	3	Yes	Analysis
6	Rylib Autumn Slam 2025 (Intermediate)	2025-04-26	2025-04-26	Rapid	Cape Town (WCT)	6	0	0	No	Analysis
7	Cape Town Open Chess Festival 2025 (B)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
8	Cape Town Open Chess Festival 2025 (Team Blitz)	2025-03-21	2025-03-21	Blitz	Cape Town (WCT)	6	5	0	Yes	Analysis
9	Steinitz Festival 2025 (Open)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	7	4.5	Yes	Analysis
10	Steinitz Festival 2025 (Blitz)	2025-03-14	2025-03-14	Blitz	Cape Town (WCT)	7	7	3	Yes	Analysis
11	2025 Kraaifontein Open Chess Championships (Championship)	2025-01-04	2025-01-05	Standard	Cape Town (WCT)	5	5	1.5	Yes	Analysis
12	Rylib Summer Slam 2024 (Intermediate)	2024-12-03	2024-12-03	Rapid	Cape Town (WCT)	6	6	4.5	Yes	Analysis
13	UCT Open Chess Championship 2024 (Advanced)	2024-10-12	2024-10-13	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
14	Spring Slam 2024 (A)	2024-10-05	2024-10-05	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
15	CT League 2024 (C)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	5	2	Yes	Analysis
16	CT League 2024 (C)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	6	5.5	Yes	Analysis
17	Rylib Winter Slam 2024 (Championship)	2024-06-19	2024-06-19	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
18	Cape Town Chess Federation Closed Chess Championships 2024 (U20)	2024-06-15	2024-06-16	Standard	Cape Town (WCT)	5	4	1.5	Yes	Analysis
19	Steinitz Chess Festival 2024 (Open)	2024-05-10	2024-05-12	Standard	Cape Town (WCT)	6	5	4	Yes	Analysis
20	Cape Town Open Chess Championship 2024 (Intermediate)	2024-03-16	2024-03-17	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
21	Rylib Summer Slam 2023 (Intermediate)	2023-12-12	2023-12-12	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
22	Kraaifontein Open 2023 (Intermediate)	2023-12-09	2023-12-10	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
23	WP Club League 2023 (C)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	2	1.5	Yes	Analysis
24	WP Club League 2023 (D PlayOffs)	2023-09-02	2023-09-09	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
25	WP Club League 2023 (D1)	2023-07-29	2023-08-19	Standard	Cape Town (WCT)	6	6	5.5	Yes	Analysis
26	Steinitz Open 2023 (D)	2023-05-27	2023-05-27	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	16	Tournament WP Club League 2023				Tournament Kraaifontein Open 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-12-09	rnd 3	type Standard	result 1
		Opponent Macilikishe, A (Anda)				Opponent Ntuli, S (Senzo)
2	8	Tournament Cape Town Open Chess Championship 2024				Tournament Cape Town Chess Federation Closed Chess Championships 2024
		date 2024-03-17	rnd 5	type Standard	result 1	date 2024-06-15	rnd 2	type Standard	result 1
		Opponent Dubbeld, B (Benjamin)				Opponent Rajabu, R (Rahma)
3	6	Tournament UCT Open Chess Championship 2024				Tournament Rylib Summer Slam 2024
		date 2024-10-13	rnd 4	type Standard	result 0.5	date 2024-12-03	rnd 4	type Rapid	result 1
		Opponent De Kock, W (Wade)				Opponent Mackinna, C (Cashlin)

#	Games	Start				End
1	16	Tournament WP Club League 2023				Tournament Kraaifontein Open 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-12-09	rnd 3	type Standard	result 1
		Opponent Macilikishe, A (Anda)				Opponent Ntuli, S (Senzo)
2	8	Tournament Cape Town Open Chess Championship 2024				Tournament Cape Town Chess Federation Closed Chess Championships 2024
		date 2024-03-17	rnd 5	type Standard	result 1	date 2024-06-15	rnd 2	type Standard	result 1
		Opponent Dubbeld, B (Benjamin)				Opponent Rajabu, R (Rahma)
3	4	Tournament CT League 2024				Tournament CT League 2024
		date 2024-08-24	rnd 8	type Standard	result 1	date 2024-09-07	rnd 11	type Standard	result 1
		Opponent Naidoo, T (Thushani)				Opponent Diedericks, C (Caylah)

#	Games	Start				End
1	6	Tournament Spring Slam 2024				Tournament Rylib Summer Slam 2024
		date 2024-10-05	rnd 5	type Rapid	result 1	date 2024-12-03	rnd 4	type Rapid	result 1
		Opponent Bowers, C (Chad)				Opponent Mackinna, C (Cashlin)
2	3	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Marcus, H (Hendrik)				Opponent Oosthuizen, W (Wesley)
3	3	Tournament Steinitz Open 2023				Tournament Steinitz Open 2023
		date 2023-05-27	rnd 3	type Rapid	result 1	date 2023-05-27	rnd 5	type Rapid	result 1
		Opponent Fortuin, L (Liam)				Opponent Michaelides, L (Leon)

#	Games	Start				End
1	3	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-14	rnd 4	type Blitz	result 1	date 2025-03-14	rnd 6	type Blitz	result 1
		Opponent Peterson, M (Marcell)				Opponent Preston, W (Waylon)

#	Games	Start				End
1	8	Tournament WP Club League 2023				Tournament Kraaifontein Open 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-12-09	rnd 3	type Standard	result 1
		Opponent Hagen, S (Sophia)				Opponent Ntuli, S (Senzo)
2	5	Tournament Cape Town Open Chess Championship 2024				Tournament Steinitz Chess Festival 2024
		date 2024-03-17	rnd 5	type Standard	result 1	date 2024-05-11	rnd 4	type Standard	result 1
		Opponent Dubbeld, B (Benjamin)				Opponent Blauw, S (Siyamthanda)
3	4	Tournament Cape Town Open Chess Festival 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-03-23	rnd 4	type Standard	result 1	date 2025-07-19	rnd 1	type Rapid	result 1
		Opponent Jones, S (Steve)				Opponent Bowers, C (Chad)

#	Games	Start				End
1	8	Tournament WP Club League 2023				Tournament Kraaifontein Open 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-12-09	rnd 3	type Standard	result 1
		Opponent Hagen, S (Sophia)				Opponent Ntuli, S (Senzo)
2	5	Tournament Cape Town Open Chess Championship 2024				Tournament Steinitz Chess Festival 2024
		date 2024-03-17	rnd 5	type Standard	result 1	date 2024-05-11	rnd 4	type Standard	result 1
		Opponent Dubbeld, B (Benjamin)				Opponent Blauw, S (Siyamthanda)
3	4	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-19	rnd 6	type Standard	result 1
		Opponent Magwaza, R (Richard)				Opponent Mutambadiki, K (Kudzai)

#	Games	Start				End
1	3	Tournament Rylib Summer Slam 2024				Tournament Rylib Summer Slam 2024
		date 2024-12-03	rnd 2	type Rapid	result 1	date 2024-12-03	rnd 4	type Rapid	result 1
		Opponent Mintoor, D (Donvito)				Opponent Mackinna, C (Cashlin)
2	3	Tournament Steinitz Open 2023				Tournament Steinitz Open 2023
		date 2023-05-27	rnd 3	type Rapid	result 1	date 2023-05-27	rnd 5	type Rapid	result 1
		Opponent Fortuin, L (Liam)				Opponent Michaelides, L (Leon)
3	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 3	type Rapid	result 1	date 2025-07-19	rnd 4	type Rapid	result 1
		Opponent Theko, PP (Philani Prince)				Opponent Ashworth, DA (Dylan Adrian)

#	Games	Start				End
1	3	Tournament Steinitz Festival 2025				Tournament Steinitz Festival 2025
		date 2025-03-14	rnd 4	type Blitz	result 1	date 2025-03-14	rnd 6	type Blitz	result 1
		Opponent Peterson, M (Marcell)				Opponent Preston, W (Waylon)

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	Mhembere ,M (Munashe)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Mhembere ,M (Munashe)	2	1581	1793.5	2	1566.9	1793.5	0	0	0	0	0	0
2	Du Plessis ,N (Neville)	2	1	0	2	1	0	0	0	0	0	0	0
2	Du Plessis ,N (Neville)	2	1365.3	1365.3	2	1367.1	1365.3	0	0	0	0	0	0
3	Van Staaden ,D (Darren)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
3	Van Staaden ,D (Darren)	2	1479.1	1266.6	1	1567.4	1479.1	1	1296.2	1054.1	0	0	0
4	Mokhele ,K (Katleho)	2	0	-425	1	0	-425	0	0	0	1	0	-425
4	Mokhele ,K (Katleho)	2	1324.2	899.2	1	927.6	899.2	0	0	0	1	688.8	899.2
5	Mahomed ,A (Amaan)	2	1	0	1	1	425	0	0	0	1	0	-425
5	Mahomed ,A (Amaan)	2	1341.6	1341.6	1	1357.3	1766.6	0	0	0	1	1252	916.6
6	Preston ,W (Waylon)	2	1.5	212.5	1	0.5	0	0	0	0	1	1	425
6	Preston ,W (Waylon)	2	1333.9	1546.4	1	1251.9	1333.9	0	0	0	1	1243.8	1758.9
7	Singh ,S (Shaurya)	2	0	-425	0	0	0	2	0	-425	0	0	0
7	Singh ,S (Shaurya)	2	1783.7	1358.7	0	0	0	2	1614.5	1358.7	0	0	0
8	Bowers ,C (Chad)	2	2	425	0	0	0	2	2	425	0	0	0
8	Bowers ,C (Chad)	2	1437.8	1862.8	0	0	0	2	1395.9	1862.8	0	0	0
9	Magwaza ,R (Richard)	1	1	425	1	1	425	0	0	0	0	0	0
9	Magwaza ,R (Richard)	1	1163	1588	1	1148.8	1588	0	0	0	0	0	0
10	Koester ,E (Euclides Euclides)	1	1	425	1	1	425	0	0	0	0	0	0
10	Koester ,E (Euclides Euclides)	1	1700.6	2125.6	1	1679.1	2125.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Platen, 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