Chess South Africa Ratings Database

PLAYER PAGE

Personal

Greenwood, D (Derick)

Chess SA id

1090161976

FIDE id

Date of birth

2009-11-28 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

39.9

Junior GPX Points

1238.4

Item	Main	Standard	Rapid	Blitz
Rating	1314.4	1318.9	1255.4	1200
Raw rating	1314.4	1318.9	1253.9	1200
Weighted rating	1259.4	1239.1	1255.4	1200
Weighted performance	1300.8	1301.9	0	0
Floor	814.4	818.9	804	700
K-factor	36	36	36	36
Min/Max rating change allowed	140.9	140	153.6	165.8
Highest rating	1430.4 2023-07-01	1406 2023-07-01	1449.6 2024-05-01	1200 2018-10-01
Highest raw rating	1314.4 2025-09-01	1318.9 2025-09-01	1304 2024-06-01	1200 2024-03-01
Highest weighted rating	1304.9 2024-10-01	1305.5 2023-09-01	1253.9 2025-08-01	1200 2018-10-01
Highest weighted performance	1430.4 2023-07-01	1406 2023-07-01	1449.6 2024-05-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.4	0
New rating	1314.4	1318.9	1255.8	1200
Analysis
Rating	1314.4	1318.9	1255.4	1200
Raw rating	1314.4	1318.9	1253.9	1200
Weighted rating	1259.4	1239.1	1255.4
Weighted performance	1300.8	1301.9	0
K-factor	36	36	36	36
Floor	814.4	818.9	804	700
Max/Min rating change allowed	140.9	140	153.6	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	1314.4	1318.9	1253.9	1200
New weighted rating	1265.2	1247.2	1255.8	1200
New weighted performance	1300.4	1301.4	0	0
Temp new rating	1314.4	1318.9	1255.8	1200
Temp new rating +/-	0	0	0.4	0
Final new rating +/-	0	0	0.4	0
New rating	1314.4	1318.9	1255.8	1200
New K-factor	36	36	36	36
New floor	814.4	818.9	804	700

Item	Main	Standard	Rapid
	0	0	0
	34	34	0
	63	41	22
	9	9	0
	0	0	0
	0	0	0
History	106	84	22

Games since
	Main 97	Standard 75		Rapid 22		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3027		1014		159
Male	2401		803		123
U18	464		170		26
U18 Male	388		140		20
Standard
	RSA		Province		Region
Overall	2889		1044		138
Male	2301		834		114
U18	465		179		21
U18 Male	393		151		18
Rapid
	RSA		Province		Region
Overall	1311		224		74
Male	1050		178		45
U18	155		30		7
U18 Male	138		27		4
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	34	19.5	57.35	62.5	1254.5	1317
Standard	34	19.5	57.35	62.5	1254.5	1317
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	106	55.5	52.36	20	1241.2	1261.2
Standard	84	42.5	50.6	5.1	1238.8	1243.8
Rapid	22	13	59.09	77.3	1250.4	1327.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1314.4	1318.9	1253.9	1200
2025-09-01	1314.4	1318.9	1253.9	1200
2025-08-01	1301.7	1305.5	1253.9	1200
2025-07-01	1301.7	1305.5	1253	1200
2025-06-01	1301.7	1305.5	1251.9	1200
2025-05-01	1228.3	1196.1	1250.7	1200
2025-04-01	1227.4	1196	1249.5	1200
2025-03-01	1226.8	1196	1248.2	1200
2025-02-01	1223	1192.9	1246.5	1200
2025-01-01	1179.9	1152.6	1241	1200
2024-12-01	1216.4	1200.1	1241	1200
2024-11-01	1216.4	1200.1	1241	1200
2024-10-01	1237.3	1200.1	1304	1200
2024-09-01	1295.9	1259.9	1304	1200
2024-08-01	1295.9	1259.9	1304	1200
2024-07-01	1304.9	1218.1	1304	1200
2024-06-01	1291.9	1183.5	1304	1200
2024-08-01	1206	1165.5	1231.3	1200
2024-04-01	1216.8	1175.9	1231.3	1200
2024-03-01	1184.8	1175.9	1200	1200
2024-02-01	1184.8	1175.9	1200	1200
2024-01-01	1184.8	1175.9	1200	1200
2023-12-01	1184.8	1175.9	1200	1200
2023-11-01	1184.8	1175.9	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	Ekurhuleni North Schools Teams 2025 (U17 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
2	Ekurhuleni North Chess Club Open Tournament 2025 (B)	2025-08-09	2025-08-09	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	Ekurhuleni Trials 2025 (C)	2025-05-24	2025-05-24	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
4	Benoni High School Cluster 2025 (U17)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
5	East Rand Chess Club Open 2025 (B)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
6	East Rand Chess Club Open 2025 (B)	2025-03-01	2025-03-01	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
7	Benoni High School Cluster 15Feb 2025 (U18 Boys)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni North Schools Teams 2025 (U17 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
2	Ekurhuleni North Chess Club Open Tournament 2025 (B)	2025-08-09	2025-08-09	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	Ekurhuleni Trials 2025 (C)	2025-05-24	2025-05-24	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
4	Benoni High School Cluster 2025 (U17)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
5	East Rand Chess Club Open 2025 (B)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
6	East Rand Chess Club Open 2025 (B)	2025-03-01	2025-03-01	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
7	Benoni High School Cluster 15Feb 2025 (U18 Boys)	2025-02-15	2025-02-15	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
8	East Rand Chess Year end Open 2024 (B)	2024-11-30	2024-11-30	Standard	Ekurhuleni (GE)	5	3	0	Yes	Analysis
9	Gauteng Top Schools 2024 (U15 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis
10	Ekurhuleni Closed 2024 (U16)	2024-09-21	2024-09-21	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
11	Ekurhuleni North Chess Club Open Tournament 2024 (B)	2024-08-09	2024-08-09	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
12	Ekurhuleni North Schools Finals - Teams 2024 (U15 Open)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
13	Ekurhuleni Trails 2 2024 (U16)	2024-07-27	2024-07-27	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
14	EN Chess Club Winter Open 2024 (B)	2024-06-29	2024-06-29	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
15	Ekurhuleni Trails 1 2024 (U16)	2024-06-01	2024-06-01	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
16	Ekurhuleni North High School Individuals 2024 (U15 Boys)	2024-05-18	2024-05-18	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
17	Benoni Cluster High Schools Teams 2024 (U15)	2024-05-11	2024-05-11	Rapid	Ekurhuleni (GE)	5	5	5	Yes	Analysis
18	Ekurhuleni Open 2024 (C)	2024-04-06	2024-04-06	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
19	Ekurhuleni North Chess Club Open Tournament 2024 (C)	2024-03-02	2024-03-02	Rapid	Ehlanzeni (MEN)	7	7	3	Yes	Analysis
20	Benoni High Schools Cluster Individuals 2024 (U15 Boys)	2024-03-16	2024-03-16	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
21	Ekurhuleni Chess Spring Tournament 2023 (D)	2023-09-23	2023-09-23	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
22	2023 Ekurhuleni North District Schools Finals (U13 Reserves)	2023-07-29	2023-07-29	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament East Rand Chess Club Open 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Nolan, C (Christopher)				Opponent Smit, W (Werner)
2	6	Tournament Ekurhuleni Open 2024				Tournament Benoni Cluster High Schools Teams 2024
		date 2024-04-06	rnd 5	type Standard	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Orton, L (Logan)				Opponent Du Plessis, L (Lian)
3	4	Tournament Ekurhuleni Trails 2 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-07-27	rnd 3	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Pitzer, E (Emuel)				Opponent Abbott, J (Janco)

#	Games	Start				End
1	6	Tournament East Rand Chess Club Open 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Nolan, C (Christopher)				Opponent Smit, W (Werner)
2	4	Tournament Ekurhuleni Trails 2 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-07-27	rnd 3	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Pitzer, E (Emuel)				Opponent Abbott, J (Janco)
3	3	Tournament EN Chess Club Winter Open 2024				Tournament EN Chess Club Winter Open 2024
		date 2024-06-29	rnd 3	type Standard	result 1	date 2024-06-29	rnd 5	type Standard	result 1
		Opponent Ramcharan, A (Adhi)				Opponent Smith, H (Henre)

#	Games	Start				End
1	9	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Gauteng Top Schools 2024
		date 2024-03-16	rnd 3	type Rapid	result 1	date 2024-10-05	rnd 1	type Rapid	result 1
		Opponent Van Zyl, A (Alexander)				Opponent Tshabalala, K (Kagiso)
2	3	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-02	rnd 6	type Rapid	result 1	date 2024-03-16	rnd 1	type Rapid	result 1
		Opponent De Swardt, S (Stephan)				Opponent Taylor, O (Owen)
3	1	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 4	type Rapid	result 1
		Opponent Mogotsi, R (Reatlehile)				Opponent Mogotsi, R (Reatlehile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament East Rand Chess Club Open 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Nolan, C (Christopher)				Opponent Smit, W (Werner)
2	6	Tournament Ekurhuleni Open 2024				Tournament Benoni Cluster High Schools Teams 2024
		date 2024-04-06	rnd 5	type Standard	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Orton, L (Logan)				Opponent Du Plessis, L (Lian)
3	4	Tournament Ekurhuleni Trails 2 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-07-27	rnd 3	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Pitzer, E (Emuel)				Opponent Abbott, J (Janco)

#	Games	Start				End
1	6	Tournament East Rand Chess Club Open 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Nolan, C (Christopher)				Opponent Smit, W (Werner)
2	4	Tournament Ekurhuleni Trails 2 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-07-27	rnd 3	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Pitzer, E (Emuel)				Opponent Abbott, J (Janco)
3	3	Tournament EN Chess Club Winter Open 2024				Tournament EN Chess Club Winter Open 2024
		date 2024-06-29	rnd 3	type Standard	result 1	date 2024-06-29	rnd 5	type Standard	result 1
		Opponent Ramcharan, A (Adhi)				Opponent Smith, H (Henre)

#	Games	Start				End
1	9	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Gauteng Top Schools 2024
		date 2024-03-16	rnd 3	type Rapid	result 1	date 2024-10-05	rnd 1	type Rapid	result 1
		Opponent Van Zyl, A (Alexander)				Opponent Tshabalala, K (Kagiso)
2	3	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-02	rnd 6	type Rapid	result 1	date 2024-03-16	rnd 1	type Rapid	result 1
		Opponent De Swardt, S (Stephan)				Opponent Taylor, O (Owen)
3	1	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 4	type Rapid	result 1
		Opponent Mogotsi, R (Reatlehile)				Opponent Mogotsi, R (Reatlehile)

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	Karuppan ,Z (Zebada)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
1	Karuppan ,Z (Zebada)	4	1164.3	1376.8	4	1173.2	1376.8	0	0	0	0	0	0
2	Beifus ,A (Aiden)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Beifus ,A (Aiden)	3	1326.5	901.5	3	1315.8	901.5	0	0	0	0	0	0
3	Lin ,S (Shixi)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Lin ,S (Shixi)	3	1303.5	878.5	3	1268.5	878.5	0	0	0	0	0	0
4	Jolly ,K (Kian)	2	2	425	2	2	425	0	0	0	0	0	0
4	Jolly ,K (Kian)	2	1274.3	1699.3	2	1288.5	1699.3	0	0	0	0	0	0
5	Greenwood ,R (Raymond Christopher)	2	2	425	2	2	425	0	0	0	0	0	0
5	Greenwood ,R (Raymond Christopher)	2	1180.8	1605.8	2	1177.1	1605.8	0	0	0	0	0	0
6	Nolan ,C (Christopher)	2	1	0	2	1	0	0	0	0	0	0	0
6	Nolan ,C (Christopher)	2	1332.3	1332.3	2	1308.9	1332.3	0	0	0	0	0	0
7	Bothma ,L (Liandri)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Bothma ,L (Liandri)	2	1170.4	745.4	2	1155.3	745.4	0	0	0	0	0	0
8	Grootboom ,C (Chante)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Grootboom ,C (Chante)	2	1264.9	839.9	2	1259.9	839.9	0	0	0	0	0	0
9	Liebenberg ,M (Michael)	2	2	425	1	1	425	1	1	425	0	0	0
9	Liebenberg ,M (Michael)	2	1296.4	1721.4	1	1256.8	1721.4	1	789	1721.4	0	0	0
10	Nhleko ,Z (Ziyanda)	2	1	0	1	0	-425	1	1	425	0	0	0
10	Nhleko ,Z (Ziyanda)	2	1242.7	1242.7	1	1200	817.7	1	1201.4	1667.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Greenwood, D (Derick)

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