Chess South Africa Ratings Database

PLAYER PAGE

Personal

Douglas, R (Ryan)

Chess SA id

1140192461

FIDE id

Date of birth

2014-08-08 (U12)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

976.3

Item	Main	Standard	Rapid	Blitz
Rating	1129.3	1120.1	1200	1200
Raw rating	1099.3	1086.8	1200	1200
Weighted rating	1129.3	1120.1	1200	1200
Weighted performance	913	912.9	0	0
Floor	717.3	720.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	191.4	194.8	165.8	165.8
Highest rating	1284.7 2024-02-01	1283.6 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1217.3 2024-03-01	1220.4 2024-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1217.3 2024-03-01	1220.4 2024-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1284.7 2024-02-01	1283.6 2024-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.5	-3.9	0	0
New rating	1125.8	1116.3	1200	1200
Analysis
Rating	1129.3	1120.1	1200	1200
Raw rating	1099.3	1086.8	1200	1200
Weighted rating	1129.3	1120.1	1200
Weighted performance	913	912.9	0
K-factor	36	36	36	36
Floor	717.3	720.4	700	700
Max/Min rating change allowed	191.4	194.8	165.8	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	1099.3	1086.8	1200	1200
New weighted rating	1125.8	1116.3	1200	1200
New weighted performance	912.6	912.5	0	0
Temp new rating	1125.8	1116.3	1200	1200
Temp new rating +/-	-3.5	-3.9	0	0
Final new rating +/-	-3.5	-3.9	0	0
New rating	1125.8	1116.3	1200	1200
New K-factor	36	36	36	36
New floor	717.3	720.4	700	700

Item	Main	Standard
	0	0
	14	14
	28	28
	0	0
	0	0
	0	0
History	42	42

Games since
	Main 42	Standard 42		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	4309		238		40
Male	3180		192		34
U12	748		47		7
U12 Male	505		35		7
Standard
	RSA		Province		Region
Overall	4276		301		58
Male	3145		241		48
U12	711		57		11
U12 Male	483		43		10
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	14	4.5	32.14	-151.8	1223	1071.2
Standard	14	4.5	32.14	-151.8	1223	1071.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	42	11	26.19	-202.4	1200.9	998.5
Standard	42	11	26.19	-202.4	1200.9	998.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1099.3	1086.8	1200	1200
2025-09-01	1145.6	1141.6	1200	1200
2025-08-01	1145.6	1141.6	1200	1200
2025-07-01	1145.6	1141.6	1200	1200
2025-06-01	1145.6	1141.6	1200	1200
2025-05-01	1145.6	1141.6	1200	1200
2025-04-01	1141.1	1134.7	1200	1200
2025-03-01	1141.1	1134.7	1200	1200
2025-02-01	1130.2	1119.3	1200	1200
2025-01-01	1005.6	983.6	1200	1200
2024-12-01	1080.7	1060.6	1200	1200
2024-11-01	1080.7	1060.6	1200	1200
2024-10-01	1111.8	1095.5	1200	1200
2024-09-01	1111.8	1095.5	1200	1200
2024-08-01	1111.8	1095.5	1200	1200
2024-07-01	1139.6	1126.8	1200	1200
2024-06-01	1181.1	1175.4	1200	1200
2024-08-01	1181.1	1175.4	1200	1200
2024-04-01	1181.1	1175.4	1200	1200
2024-03-01	1217.3	1220.4	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	Ashton John 2025 (U12)	2025-08-23	2025-08-23	Standard	Dr Kenneth Kaunda (NWP)	5	4	0	Yes	Analysis
2	CURRO Tournament 2025 (U12)	2025-04-12	2025-04-12	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
3	DR KK Volkies 2025 (U12)	2025-02-01	2025-02-01	Standard	Dr Kenneth Kaunda (NWP)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ashton John 2025 (U12)	2025-08-23	2025-08-23	Standard	Dr Kenneth Kaunda (NWP)	5	4	0	Yes	Analysis
2	CURRO Tournament 2025 (U12)	2025-04-12	2025-04-12	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
3	DR KK Volkies 2025 (U12)	2025-02-01	2025-02-01	Standard	Dr Kenneth Kaunda (NWP)	5	5	2.5	Yes	Analysis
4	Gauteng Inter-Region at UJ 2024 (U12 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	0	Yes	Analysis
5	DR KKD Trails 2 2024 (U12)	2024-10-12	2024-10-12	Standard	Dr Kenneth Kaunda (NWP)	5	5	1	Yes	Analysis
6	DR KKD Curro Agegroup 2024 (U12)	2024-08-31	2024-08-31	Standard	Dr Kenneth Kaunda (NWP)	5	0	0	No	Analysis
7	DR KK Gimmies 2024 (U12)	2024-07-13	2024-07-13	Standard	Dr Kenneth Kaunda (NWP)	5	5	1	Yes	Analysis
8	DR KKD Saamtrek 2024 (Senior Beginners)	2024-06-08	2024-06-08	Standard	Dr Kenneth Kaunda (NWP)	5	4	0.5	Yes	Analysis
9	DR KKD Ferdies Mar 2024 (F)	2024-03-02	2024-03-02	Standard	Dr Kenneth Kaunda (NWP)	5	4	1	Yes	Analysis
10	DR KKD Curro Feb 2024 (Beginners)	2024-02-10	2024-02-10	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament DR KK Volkies 2025				Tournament DR KK Volkies 2025
		date 2025-02-01	rnd 4	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 0.5
		Opponent Chubisi, T (Thato)				Opponent Machatola, B (Bonang)
2	2	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Curro Feb 2024
		date 2024-02-10	rnd 3	type Standard	result 1	date 2024-02-10	rnd 4	type Standard	result 1
		Opponent Manana, K (Khanya)				Opponent Fourie, A (Alex)
3	1	Tournament CURRO Tournament 2025				Tournament CURRO Tournament 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Thobedi, G (Gontse)				Opponent Thobedi, G (Gontse)

#	Games	Start				End
1	2	Tournament DR KK Volkies 2025				Tournament DR KK Volkies 2025
		date 2025-02-01	rnd 4	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 0.5
		Opponent Chubisi, T (Thato)				Opponent Machatola, B (Bonang)
2	2	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Curro Feb 2024
		date 2024-02-10	rnd 3	type Standard	result 1	date 2024-02-10	rnd 4	type Standard	result 1
		Opponent Manana, K (Khanya)				Opponent Fourie, A (Alex)
3	1	Tournament CURRO Tournament 2025				Tournament CURRO Tournament 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Thobedi, G (Gontse)				Opponent Thobedi, G (Gontse)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Curro Feb 2024
		date 2024-02-10	rnd 3	type Standard	result 1	date 2024-02-10	rnd 4	type Standard	result 1
		Opponent Manana, K (Khanya)				Opponent Fourie, A (Alex)
2	1	Tournament CURRO Tournament 2025				Tournament CURRO Tournament 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Thobedi, G (Gontse)				Opponent Thobedi, G (Gontse)
3	1	Tournament CURRO Tournament 2025				Tournament CURRO Tournament 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Mahupelo, B (Botlhale)				Opponent Mahupelo, B (Botlhale)

#	Games	Start				End
1	2	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Curro Feb 2024
		date 2024-02-10	rnd 3	type Standard	result 1	date 2024-02-10	rnd 4	type Standard	result 1
		Opponent Manana, K (Khanya)				Opponent Fourie, A (Alex)
2	1	Tournament CURRO Tournament 2025				Tournament CURRO Tournament 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Thobedi, G (Gontse)				Opponent Thobedi, G (Gontse)
3	1	Tournament CURRO Tournament 2025				Tournament CURRO Tournament 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Mahupelo, B (Botlhale)				Opponent Mahupelo, B (Botlhale)

No games found.

#	Games	Start				End

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	Bekker ,S (Salomo)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Bekker ,S (Salomo)	3	1237.8	812.8	3	1241.9	812.8	0	0	0	0	0	0
2	Stols ,Z (Zenica)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Stols ,Z (Zenica)	2	1258.2	833.2	2	1256.3	833.2	0	0	0	0	0	0
3	Manana ,K (Khanya)	2	2	425	2	2	425	0	0	0	0	0	0
3	Manana ,K (Khanya)	2	1165.2	1590.2	2	1157.9	1590.2	0	0	0	0	0	0
4	Sekonya ,B (Boikanyo)	2	2	425	2	2	425	0	0	0	0	0	0
4	Sekonya ,B (Boikanyo)	2	1192.3	1617.3	2	1190.8	1617.3	0	0	0	0	0	0
5	Abraham ,L (Liam)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Abraham ,L (Liam)	2	1214.8	789.8	2	1215.9	789.8	0	0	0	0	0	0
6	Thobedi ,G (Gontse)	1	1	425	1	1	425	0	0	0	0	0	0
6	Thobedi ,G (Gontse)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Van Heerden ,B (Brian)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Heerden ,B (Brian)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Helm ,E (Esme)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Helm ,E (Esme)	1	1089.8	664.8	1	1068.9	664.8	0	0	0	0	0	0
9	Van Der Westhuizen ,T (Thomas)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Der Westhuizen ,T (Thomas)	1	1422.7	997.7	1	1422.8	997.7	0	0	0	0	0	0
10	Madibana ,M (Mapula)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Madibana ,M (Mapula)	1	1036.1	611.1	1	1060.6	611.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Douglas, 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