Chess South Africa Ratings Database

PLAYER PAGE

Personal

Alexander, D (Deorin)

Chess SA id

1130315788

FIDE id

Date of birth

2013-12-27 (U14)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1196.2	1200	1194	1200
Raw rating	1191.3	1200	1194	1200
Weighted rating	1196.2	1200	1194	1200
Weighted performance	0	0	0	0
Floor	699.9	700	699.9	700
K-factor	40	36	40	36
Min/Max rating change allowed	167.9	165.8	167.2	165.8
Highest rating	1199.9 2025-02-23	1200 2025-03-01	1199.9 2025-02-23	1200 2025-03-01
Highest raw rating	1199.9 2025-02-23	1200 2025-03-01	1199.9 2025-02-23	1200 2025-03-01
Highest weighted rating	1199.9 2025-02-23	1200 2025-03-01	1199.9 2025-02-23	1200 2025-03-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	0	0	0
New rating	1195.6	1200	1194	1200
Analysis
Rating	1196.2	1200	1194	1200
Raw rating	1191.3	1200	1194	1200
Weighted rating	1196.2	1200	1194
Weighted performance	0	0	0
K-factor	40	36	40	36
Floor	699.9	700	699.9	700
Max/Min rating change allowed	167.9	165.8	167.2	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	1191.3	1200	1194	1200
New weighted rating	1195.6	1200	1193.8	1200
New weighted performance	0	0	0	0
Temp new rating	1195.6	1200	1194	1200
Temp new rating +/-	-0.5	0	0	0
Final new rating +/-	-0.5	0	0	0
New rating	1195.6	1200	1194	1200
New K-factor	40	36	40	36
New floor	699.9	700	699.9	700

Item	Main	Rapid
	0	0
	18	18
	0	0
	0	0
	0	0
	0	0
History	18	18

Games since
	Main 18	Standard 0		Rapid 18		Blitz 0
Gender	Male
Age group	U14
Region	Overberg (WOS)
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	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
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	18	7	38.89	-94.4	1216.5	1122.1
Standard	0	0	0	0	0	0
Rapid	18	7	38.89	-94.4	1216.5	1122.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	18	7	38.89	-94.4	1216.5	1122.1
Standard	0	0	0	0	0	0
Rapid	18	7	38.89	-94.4	1216.5	1122.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1191.3	1200	1194	1200
2025-09-01	1162.5	1200	1132.8	1200
2025-08-01	1199.7	1200	1199.6	1200
2025-07-01	1199.7	1200	1199.6	1200
2025-06-01	1199.7	1200	1199.6	1200
2025-05-01	1199.7	1200	1199.6	1200
2025-04-01	1199.6	1200	1199.3	1200
2025-03-01	1197.2	1200	1195.8	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	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	Kingsway Chess Open 2025 (Beginners)	2025-09-20	2025-09-20	Rapid	Overberg (WOS)	6	6	4.5	Yes	Analysis
2	Kleinmond Chess Club Open 2025 (U12)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	1	Yes	Analysis
3	Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Kingsway Chess Open 2025 (Beginners)	2025-09-20	2025-09-20	Rapid	Overberg (WOS)	6	6	4.5	Yes	Analysis
2	Kleinmond Chess Club Open 2025 (U12)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	1	Yes	Analysis
3	Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	1.5	Yes	Analysis

#	Games	Start				End
1	1	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Plaatjies, A (Anjali)				Opponent Plaatjies, A (Anjali)
2	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Madolo, U (Uyanda)				Opponent Madolo, U (Uyanda)
3	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 3	type Rapid	result 0.5	date 2025-02-22	rnd 3	type Rapid	result 0.5
		Opponent Maharaj, S (Sanshrey Kumar)				Opponent Maharaj, S (Sanshrey Kumar)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Plaatjies, A (Anjali)				Opponent Plaatjies, A (Anjali)
2	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Madolo, U (Uyanda)				Opponent Madolo, U (Uyanda)
3	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 3	type Rapid	result 0.5	date 2025-02-22	rnd 3	type Rapid	result 0.5
		Opponent Maharaj, S (Sanshrey Kumar)				Opponent Maharaj, S (Sanshrey Kumar)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Plaatjies, A (Anjali)				Opponent Plaatjies, A (Anjali)
2	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Madolo, U (Uyanda)				Opponent Madolo, U (Uyanda)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Plaatjies, A (Anjali)				Opponent Plaatjies, A (Anjali)
2	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Madolo, U (Uyanda)				Opponent Madolo, U (Uyanda)

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	Williams ,Q (Quelynn)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Williams ,Q (Quelynn)	1	1198.5	773.5	0	0	0	1	1197.1	773.5	0	0	0
2	Madolo ,U (Uyanda)	1	1	425	0	0	0	1	1	425	0	0	0
2	Madolo ,U (Uyanda)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
3	Uys ,E (Eli)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Uys ,E (Eli)	1	1269.8	844.8	0	0	0	1	1258.4	844.8	0	0	0
4	Davids ,J (Jordan)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Davids ,J (Jordan)	1	1320.2	895.2	0	0	0	1	1295.2	895.2	0	0	0
5	Maharaj ,S (Sanshrey Kumar)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
5	Maharaj ,S (Sanshrey Kumar)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
6	Kleyn ,R (Rowan)	1	1	425	0	0	0	1	1	425	0	0	0
6	Kleyn ,R (Rowan)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Van Wyk ,C (Claire)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
7	Van Wyk ,C (Claire)	1	1199.6	1199.6	0	0	0	1	1199.2	1199.6	0	0	0
8	Matthee ,L (Luke)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Matthee ,L (Luke)	1	1120.8	695.8	0	0	0	1	1114.5	695.8	0	0	0
9	Henning ,N (Nicolas)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Henning ,N (Nicolas)	1	1406.2	981.2	0	0	0	1	1451.3	981.2	0	0	0
10	Plaatjies ,A (Anjali)	1	1	425	0	0	0	1	1	425	0	0	0
10	Plaatjies ,A (Anjali)	1	1199.4	1624.4	0	0	0	1	1199	1624.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Alexander, D (Deorin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms