Chess South Africa Ratings Database

PLAYER PAGE

Personal

Douglas, J (Jody)

Chess SA id

1110151205

FIDE id

Date of birth

2011-10-02 (U16)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-24

Personal details last changed

1900-01-01

Junior GPX Games

37.5

Junior GPX Points

1167.4

Item	Main	Standard	Rapid	Blitz
Rating	1247.9	1247	1229.5	1200
Raw rating	1247.9	1247	1229.5	1200
Weighted rating	1247.9	1246.6	1221.8	1200
Weighted performance	1121.6	1119.6	0	0
Floor	773.6	780.4	729.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	154.9	155.1	159	165.8
Highest rating	1287.3 2023-07-01	1291.5 2023-07-01	1229.5 2024-12-01	1200 2018-10-01
Highest raw rating	1273.6 2024-12-01	1280.4 2024-08-01	1229.5 2024-12-01	1200 2024-03-01
Highest weighted rating	1273.6 2025-04-01	1280.4 2024-10-01	1217.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1287.3 2023-07-01	1291.5 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	1247.9	1247	1229.5	1200
Analysis
Rating	1247.9	1247	1229.5	1200
Raw rating	1247.9	1247	1229.5	1200
Weighted rating	1247.9	1246.6	1221.8
Weighted performance	1121.6	1119.6	0
K-factor	36	36	36	36
Floor	773.6	780.4	729.5	700
Max/Min rating change allowed	154.9	155.1	159	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	1247.9	1247	1229.5	1200
New weighted rating	1247.9	1246.5	1223	1200
New weighted performance	1114.6	1112.6	0	0
Temp new rating	1247.9	1247	1229.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1247.9	1247	1229.5	1200
New K-factor	36	36	36	36
New floor	773.6	780.4	729.5	700

Item	Main	Standard	Rapid
	0	0	0
	28	28	0
	45	40	5
	28	28	0
	0	0	0
	0	0	0
History	101	96	5

Games since
	Main 73	Standard 68		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	3738		460		155
Male	2855		369		127
U16	605		75		42
U16 Male	429		60		36
Standard
	RSA		Province		Region
Overall	3668		480		152
Male	2809		382		122
U16	605		76		38
U16 Male	439		61		33
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	28	10.5	37.5	-106.2	1304.6	1198.4
Standard	28	10.5	37.5	-106.2	1304.6	1198.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	101	44.5	44.06	-50.5	1283.4	1232.9
Standard	96	41.5	43.23	-57.6	1278.5	1220.9
Rapid	5	3	60	85	1377	1462
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1247.9	1247	1229.5	1200
2025-09-30	1247.9	1247	1229.5	1200
2025-09-01	1247.9	1247	1229.5	1200
2025-08-01	1247.9	1247	1229.5	1200
2025-07-01	1247.8	1247	1229.5	1200
2025-06-01	1246.7	1245.9	1229.5	1200
2025-05-01	1245.8	1244.9	1229.5	1200
2025-04-01	1247.5	1247.3	1229.5	1200
2025-03-01	1246.6	1246.2	1229.5	1200
2025-02-01	1243.9	1242.5	1229.5	1200
2025-01-01	1211.3	1191.4	1229.5	1200
2024-12-01	1273.6	1247.6	1229.5	1200
2024-11-01	1245.3	1247.6	1200	1200
2024-10-01	1245.3	1247.6	1200	1200
2024-09-01	1271.3	1280.4	1200	1200
2024-08-01	1271.3	1280.4	1200	1200
2024-07-01	1242.3	1245.8	1200	1200
2024-09-01	1242.3	1245.8	1200	1200
2024-05-01	1248.6	1253.7	1200	1200
2024-04-01	1253.1	1258	1200	1200
2024-03-01	1253.1	1258	1200	1200
2024-02-01	1244.1	1248.3	1200	1200
2024-01-01	1244.1	1248.3	1200	1200
2023-12-01	1244.1	1248.3	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	NMBCU Open 2025 (B)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
2	NMBCU Trial 4 2025 (U16)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
3	NMB 3rd Trials 2025 (U16)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	5	1.5	Yes	Analysis
4	Pearson High Chess Festival 2025 (C)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
5	Pearson High Chess Festival 2025 (B)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	0	0	No	Analysis
6	NMBCH Trial 1 2025 (U16)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	NMBCU Open 2025 (B)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
2	NMBCU Trial 4 2025 (U16)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
3	NMB 3rd Trials 2025 (U16)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	5	1.5	Yes	Analysis
4	Pearson High Chess Festival 2025 (C)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
5	Pearson High Chess Festival 2025 (B)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	0	0	No	Analysis
6	NMBCH Trial 1 2025 (U16)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
7	Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Premier)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	1	Yes	Analysis
8	Grey Junior School Chess Team Championship 2024 (Senior)	2024-11-02	2024-11-02	Rapid	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
9	NMBCU Closed 2024 (U14)	2024-09-20	2024-09-21	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
10	NMBCU Trials 4 2024 (U14)	2024-07-12	2024-07-13	Standard	Nelson Mandela Bay (ENM)	6	5	3	Yes	Analysis
11	NMBCU Trial 3 2024 (U14)	2024-05-10	2024-05-11	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
12	NMBCU Trials 2 2024 (U14)	2024-04-12	2024-04-13	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
13	NMBCU Trials 1 2024 (U14)	2024-02-16	2024-02-16	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
14	Pearson Open Chess Tournament 2024 (C)	2024-02-23	2024-02-24	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
15	NMBCU Closed 2023 (U14)	2023-08-11	2023-08-12	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
16	NMBCU Trial 4 2023 (U14)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	6	4	3	Yes	Analysis
17	EP Trials 3 2023 (U14)	2023-05-05	2023-05-06	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
18	NMB 2nd Trials 2023 (U14)	2023-03-24	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
19	NMB 1st Trials 2023 (U12)	2023-02-17	2023-02-18	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament NMBCU Closed 2023				Tournament NMBCU Closed 2023
		date 2023-08-12	rnd 4	type Standard	result 1	date 2023-08-12	rnd 6	type Standard	result 1
		Opponent Allers, C (Cuan)				Opponent Hall, J (Joshua)
2	3	Tournament EP Trials 3 2023				Tournament NMBCU Trial 4 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Herron, M (Michela)				Opponent Madatt, M (Mekaeel)
3	3	Tournament NMB 1st Trials 2023				Tournament NMB 2nd Trials 2023
		date 2023-02-18	rnd 5	type Standard	result 1	date 2023-03-24	rnd 1	type Standard	result 1
		Opponent Neethling, R (Rynhard)				Opponent Liddle, T (Tiano)

#	Games	Start				End
1	3	Tournament NMBCU Closed 2023				Tournament NMBCU Closed 2023
		date 2023-08-12	rnd 4	type Standard	result 1	date 2023-08-12	rnd 6	type Standard	result 1
		Opponent Allers, C (Cuan)				Opponent Hall, J (Joshua)
2	3	Tournament EP Trials 3 2023				Tournament NMBCU Trial 4 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Herron, M (Michela)				Opponent Madatt, M (Mekaeel)
3	3	Tournament NMB 1st Trials 2023				Tournament NMB 2nd Trials 2023
		date 2023-02-18	rnd 5	type Standard	result 1	date 2023-03-24	rnd 1	type Standard	result 1
		Opponent Neethling, R (Rynhard)				Opponent Liddle, T (Tiano)

#	Games	Start				End
1	2	Tournament Grey Junior School Chess Team Championship 2024				Tournament Grey Junior School Chess Team Championship 2024
		date 2024-11-02	rnd 3	type Rapid	result 1	date 2024-11-02	rnd 4	type Rapid	result 1
		Opponent Norris, N (Nathan)				Opponent Van Hoogen, L (Liam)
2	1	Tournament Grey Junior School Chess Team Championship 2024				Tournament Grey Junior School Chess Team Championship 2024
		date 2024-11-02	rnd 1	type Rapid	result 1	date 2024-11-02	rnd 1	type Rapid	result 1
		Opponent Coutts, K (Keagan)				Opponent Coutts, K (Keagan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament NMBCU Closed 2023				Tournament NMBCU Closed 2023
		date 2023-08-12	rnd 4	type Standard	result 1	date 2023-08-12	rnd 6	type Standard	result 1
		Opponent Allers, C (Cuan)				Opponent Hall, J (Joshua)
2	3	Tournament EP Trials 3 2023				Tournament NMBCU Trial 4 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Herron, M (Michela)				Opponent Madatt, M (Mekaeel)
3	3	Tournament NMB 1st Trials 2023				Tournament NMB 2nd Trials 2023
		date 2023-02-18	rnd 5	type Standard	result 1	date 2023-03-24	rnd 1	type Standard	result 1
		Opponent Neethling, R (Rynhard)				Opponent Liddle, T (Tiano)

#	Games	Start				End
1	3	Tournament NMBCU Closed 2023				Tournament NMBCU Closed 2023
		date 2023-08-12	rnd 4	type Standard	result 1	date 2023-08-12	rnd 6	type Standard	result 1
		Opponent Allers, C (Cuan)				Opponent Hall, J (Joshua)
2	3	Tournament EP Trials 3 2023				Tournament NMBCU Trial 4 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Herron, M (Michela)				Opponent Madatt, M (Mekaeel)
3	3	Tournament NMB 1st Trials 2023				Tournament NMB 2nd Trials 2023
		date 2023-02-18	rnd 5	type Standard	result 1	date 2023-03-24	rnd 1	type Standard	result 1
		Opponent Neethling, R (Rynhard)				Opponent Liddle, T (Tiano)

#	Games	Start				End
1	2	Tournament Grey Junior School Chess Team Championship 2024				Tournament Grey Junior School Chess Team Championship 2024
		date 2024-11-02	rnd 3	type Rapid	result 1	date 2024-11-02	rnd 4	type Rapid	result 1
		Opponent Norris, N (Nathan)				Opponent Van Hoogen, L (Liam)
2	1	Tournament Grey Junior School Chess Team Championship 2024				Tournament Grey Junior School Chess Team Championship 2024
		date 2024-11-02	rnd 1	type Rapid	result 1	date 2024-11-02	rnd 1	type Rapid	result 1
		Opponent Coutts, K (Keagan)				Opponent Coutts, K (Keagan)

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	Prinsloo ,L (Liam)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
1	Prinsloo ,L (Liam)	4	1331.7	1225.4	4	1340.9	1225.4	0	0	0	0	0	0
2	Barry ,T (Tyler)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
2	Barry ,T (Tyler)	4	1402.1	1189.6	4	1400.6	1189.6	0	0	0	0	0	0
3	Norris ,N (Nathan)	4	3	212.5	3	2	141.7	1	1	425	0	0	0
3	Norris ,N (Nathan)	4	1317.1	1529.6	3	1297.2	1458.8	1	1237.4	1742.1	0	0	0
4	Blandy ,L (Levi)	3	0	-425	3	0	-425	0	0	0	0	0	0
4	Blandy ,L (Levi)	3	1284.6	859.6	3	1311.1	859.6	0	0	0	0	0	0
5	Norris ,B (Britney)	3	0	-425	3	0	-425	0	0	0	0	0	0
5	Norris ,B (Britney)	3	1313.5	888.5	3	1305	888.5	0	0	0	0	0	0
6	Grobler ,M (Mia)	2	1	0	2	1	0	0	0	0	0	0	0
6	Grobler ,M (Mia)	2	1170.2	1170.2	2	1174.1	1170.2	0	0	0	0	0	0
7	Rautenbach ,J (Johan)	2	1	0	2	1	0	0	0	0	0	0	0
7	Rautenbach ,J (Johan)	2	1177.1	1177.1	2	1171.4	1177.1	0	0	0	0	0	0
8	Fenner ,C (Cole)	2	1	0	2	1	0	0	0	0	0	0	0
8	Fenner ,C (Cole)	2	1290.8	1290.8	2	1294.7	1290.8	0	0	0	0	0	0
9	Mclachlan ,G (Geoffrey)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Mclachlan ,G (Geoffrey)	2	1336.4	911.4	2	1346.8	911.4	0	0	0	0	0	0
10	Surmon ,E (Ethan)	2	1	0	2	1	0	0	0	0	0	0	0
10	Surmon ,E (Ethan)	2	1258.3	1258.3	2	1259.9	1258.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Douglas, J (Jody)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms