Chess South Africa Ratings Database

PLAYER PAGE

Personal

Dirks, R (Ryan)

Chess SA id

1120110490

FIDE id

Date of birth

2012-01-12 (U14)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1270	1180	1347	1200
Raw rating	1270	1180	1347	1200
Weighted rating	1249.8	1179.4	1320.2	1200
Weighted performance	1077.2	763.7	1145	0
Floor	806.8	780	859.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	150.1	170.6	134.5	165.8
Highest rating	1365.6 2019-04-01	1485.8 2019-04-01	1369.8 2022-06-01	1200 2018-10-01
Highest raw rating	1306.8 2022-07-01	1280 2019-05-01	1359.4 2023-04-01	1200 2024-02-01
Highest weighted rating	1306.8 2022-07-01	1280 2022-07-01	1359.4 2024-02-01	1200 2018-10-01
Highest weighted performance	1365.6 2019-04-01	1485.8 2019-04-01	1369.8 2022-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1270	1180	1347	1200
Analysis
Rating	1270	1180	1347	1200
Raw rating	1270	1180	1347	1200
Weighted rating	1249.8	1179.4	1320.2
Weighted performance	1077.2	763.7	1145
K-factor	36	36	36	36
Floor	806.8	780	859.4	700
Max/Min rating change allowed	150.1	170.6	134.5	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	1270	1180	1347	1200
New weighted rating	1251.7	1179.4	1322.7	1200
New weighted performance	1069.9	757	1137.2	0
Temp new rating	1270	1180	1347	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1270	1180	1347	1200
New K-factor	36	36	36	36
New floor	806.8	780	859.4	700

Item	Main	Standard	Rapid
	0	0	0
	5	0	5
	18	3	15
	20	11	9
	41	17	24
	0	0	0
History	111	49	62

Games since
	Main 23	Standard 3		Rapid 20		Blitz 0
Gender	Male
Age group	U14
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	772		396		84
Male	646		331		65
U14	161		87		16
U14 Male	124		69		14
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	5	4	80	255	1206.2	1461.2
Standard	0	0	0	0	0	0
Rapid	5	4	80	255	1206.2	1461.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	111	62.5	56.31	53.6	1225.3	1278.9
Standard	49	24	48.98	-8.7	1235.9	1227.3
Rapid	62	38.5	62.1	102.8	1216.9	1319.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1270	1180	1347	1200
2025-09-30	1270	1180	1347	1200
2025-09-01	1270	1180	1347	1200
2025-08-01	1270	1180	1347	1200
2025-07-01	1240.9	1180	1311.3	1200
2025-06-01	1240.9	1180	1311.3	1200
2025-05-01	1240.9	1180	1311.3	1200
2025-04-01	1240.9	1180	1311.3	1200
2025-03-01	1240.9	1180	1311.3	1200
2025-02-01	1240.9	1179.8	1311.3	1200
2025-01-01	1240.9	1175.3	1306.4	1200
2024-12-01	1240.9	1175.3	1306.4	1200
2024-11-01	1240.9	1175.3	1306.4	1200
2024-10-01	1240.9	1175.3	1306.4	1200
2024-09-01	1240.9	1175.3	1306.4	1200
2024-08-01	1246.6	1182.5	1306.4	1200
2024-07-01	1246.6	1182.5	1306.4	1200
2024-09-01	1246.6	1182.5	1306.4	1200
2024-05-01	1232.3	1182.5	1287	1200
2024-04-01	1232.3	1182.5	1287	1200
2024-03-01	1245.5	1182.5	1320.5	1200
2024-02-01	1236.6	1182.5	1327.7	1200
2024-01-01	1236.6	1182.5	1327.7	1200
2023-12-01	1236.6	1182.5	1327.7	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	Upper West Coast Top Schools 2025 (U15)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
2	Upper West Coast Presrige 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Upper West Coast Top Schools 2025 (U15)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
2	Upper West Coast Presrige 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	0	0	No	Analysis
3	Pedro Booyse Top Schools Championships 2024 (U13)	2024-07-20	2024-07-20	Standard	West Coast (WCU)	5	3	1	Yes	Analysis
4	Bo-Weskus Skole Skaak Top Skole 2024 (O13)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
5	West Coast Schools Chess Prestige Championships 2024 (U13 Boys)	2024-03-09	2024-03-09	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
6	Bo-Weskus Skole Prestige 2024 (O13 Seuns)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
7	Pedro Booyse Top Schools 2023 (U13)	2023-07-29	2023-07-29	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
8	Upper West Coast Top Schools Championship 2023 (U13)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
9	Western Cape PS Individuals 2023 (U11 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
10	Bo-Weskus Skole Prestige 2023 (O11 Seuns)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	4	3	Yes	Analysis
11	West Coast Schools Chess Grand Challenge 2022 (PS Super)	2022-10-29	2022-10-29	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
12	Western Cape Top Schools 2022 (U11 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
13	Pedro Booyse Top Schools 2022 (U11 Open)	2022-07-23	2022-07-23	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
14	Bo-Weskus Top Skole 2022 (O11)	2022-06-11	2022-06-11	Rapid	West Coast (WCU)	5	4	4	Yes	Analysis
15	Western Cape Schools 2022 (U11 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
16	West Coast Schools Chess Prestige Leg 2 2022 (U11 Boys)	2022-04-23	2022-04-23	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
17	West Coast Schools Chess Prestige Leg 1 2022 (U11 Boys)	2022-04-09	2022-04-09	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
18	Bo Weskus Skole Skaak Prestige (O11 Seuns)	2022-03-19	2022-03-19	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
19	West Coast Schools Prestige 2020 (U9 Boys)	2020-03-07	2020-03-07	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
20	Bo-Weskus Skole Prestige 2020 (O9 Seuns)	2020-02-15	2020-02-15	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
21	Western Cape Schools Individuals 2019 (U7 Boys)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	2	Yes	Analysis
22	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O7 Seuns)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	6	6	5	Yes	Analysis
23	Bo-Weskus Skole Skaak Prestige 2019 (O7)	2019-02-16	2019-02-16	Rapid	West Coast (WCU)	7	4	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament Western Cape Schools 2022				Tournament Bo-Weskus Top Skole 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-06-11	rnd 5	type Rapid	result 1
		Opponent Frieslaar, J (Junior)				Opponent Cloete, G (Granville)
2	5	Tournament West Coast Schools Prestige 2020				Tournament Bo Weskus Skole Skaak Prestige
		date 2020-03-07	rnd 4	type Rapid	result 1	date 2022-03-19	rnd 3	type Rapid	result 1
		Opponent Nel, F (Fourie)				Opponent De Vries, G (Gustav)
3	4	Tournament Western Cape PS Individuals 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-05-05	rnd 4	type Standard	result 1	date 2023-06-10	rnd 1	type Rapid	result 0.5
		Opponent Du Preez, C (Christiaan)				Opponent Nel, F (Fourie)

#	Games	Start				End
1	3	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 4	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Du Preez, C (Christiaan)				Opponent De Villiers, M (Malan)
2	3	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 1
		Opponent Cloete, J (Jordan)				Opponent Ruiters, T (Thomlin)
3	3	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-04-06	rnd 6	type Standard	result 1
		Opponent Ellman, A (Andries)				Opponent Maletta, S (Sherevitho)

#	Games	Start				End
1	8	Tournament West Coast Schools Chess Prestige Leg 2 2022				Tournament West Coast Schools Chess Grand Challenge 2022
		date 2022-04-23	rnd 3	type Rapid	result 1	date 2022-10-29	rnd 1	type Rapid	result 1
		Opponent Koopman, V (Virat)				Opponent Fortuin, T (Tashnic)
2	5	Tournament West Coast Schools Prestige 2020				Tournament Bo Weskus Skole Skaak Prestige
		date 2020-03-07	rnd 4	type Rapid	result 1	date 2022-03-19	rnd 3	type Rapid	result 1
		Opponent Nel, F (Fourie)				Opponent De Vries, G (Gustav)
3	3	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Upper West Coast Top Schools 2025
		date 2024-05-11	rnd 5	type Rapid	result 1	date 2025-06-14	rnd 2	type Rapid	result 1
		Opponent Engelbrecht, S (Shaquille)				Opponent Botha, R (Randzu)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Western Cape Schools 2022				Tournament Bo-Weskus Top Skole 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-06-11	rnd 5	type Rapid	result 1
		Opponent Frieslaar, J (Junior)				Opponent Cloete, G (Granville)
2	5	Tournament West Coast Schools Prestige 2020				Tournament Bo Weskus Skole Skaak Prestige
		date 2020-03-07	rnd 4	type Rapid	result 1	date 2022-03-19	rnd 3	type Rapid	result 1
		Opponent Nel, F (Fourie)				Opponent De Vries, G (Gustav)
3	3	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 4	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Du Preez, C (Christiaan)				Opponent De Villiers, M (Malan)

#	Games	Start				End
1	3	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 4	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Du Preez, C (Christiaan)				Opponent De Villiers, M (Malan)
2	3	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 1
		Opponent Cloete, J (Jordan)				Opponent Ruiters, T (Thomlin)
3	3	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-04-06	rnd 6	type Standard	result 1
		Opponent Ellman, A (Andries)				Opponent Maletta, S (Sherevitho)

#	Games	Start				End
1	8	Tournament West Coast Schools Chess Prestige Leg 2 2022				Tournament West Coast Schools Chess Grand Challenge 2022
		date 2022-04-23	rnd 3	type Rapid	result 1	date 2022-10-29	rnd 1	type Rapid	result 1
		Opponent Koopman, V (Virat)				Opponent Fortuin, T (Tashnic)
2	5	Tournament West Coast Schools Prestige 2020				Tournament Bo Weskus Skole Skaak Prestige
		date 2020-03-07	rnd 4	type Rapid	result 1	date 2022-03-19	rnd 3	type Rapid	result 1
		Opponent Nel, F (Fourie)				Opponent De Vries, G (Gustav)
3	3	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Upper West Coast Top Schools 2025
		date 2024-05-11	rnd 5	type Rapid	result 1	date 2025-06-14	rnd 2	type Rapid	result 1
		Opponent Engelbrecht, S (Shaquille)				Opponent Botha, R (Randzu)

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	Maletta ,S (Sherevitho)	4	4	425	2	2	425	2	2	425	0	0	0
1	Maletta ,S (Sherevitho)	4	1241.9	1666.9	2	1210	1666.9	2	1277.1	1666.9	0	0	0
2	Huysamen ,L (Luca)	3	3	425	2	2	425	1	1	425	0	0	0
2	Huysamen ,L (Luca)	3	1196.3	1621.3	2	1200	1621.3	1	1200	1621.3	0	0	0
3	Sikhondo ,N (Nevileen)	3	1	-141.7	1	0	-425	2	1	0	0	0	0
3	Sikhondo ,N (Nevileen)	3	1339.3	1197.6	1	1265.5	914.3	2	1352.6	1339.3	0	0	0
4	Cloete ,K (Kayden)	3	0	-425	1	0	-425	2	0	-425	0	0	0
4	Cloete ,K (Kayden)	3	1288.3	863.3	1	1196.8	863.3	2	1394.4	863.3	0	0	0
5	Klaasens ,J (Jemaine)	3	2	141.7	0	0	0	3	2	141.7	0	0	0
5	Klaasens ,J (Jemaine)	3	1254.9	1396.5	0	0	0	3	1272.2	1396.5	0	0	0
6	Pieters ,A (Angelo)	3	0	-425	0	0	0	3	0	-425	0	0	0
6	Pieters ,A (Angelo)	3	1242.4	817.4	0	0	0	3	1265.8	817.4	0	0	0
7	Nel ,N (Nicholas)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Nel ,N (Nicholas)	2	1286.4	861.4	2	1260	861.4	0	0	0	0	0	0
8	Diergaardt ,M (Maczayn)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Diergaardt ,M (Maczayn)	2	1208.8	783.8	2	1200	783.8	0	0	0	0	0	0
9	Wearing ,S (Shae)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Wearing ,S (Shae)	2	1216.6	791.6	2	1200	791.6	0	0	0	0	0	0
10	De Vries ,G (Gustav)	2	2	425	1	1	425	1	1	425	0	0	0
10	De Vries ,G (Gustav)	2	1236	1661	1	1200	1661	1	1237.7	1661	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Dirks, R (Ryan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms