Chess South Africa Ratings Database

PLAYER PAGE

Personal

Alexander, D (Darrion)

Chess SA id

107053254

FIDE id

Date of birth

2007-05-18 (U20)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1100.9	1082	1126.1	1200
Raw rating	1100.9	1082	1126.1	1200
Weighted rating	1100.8	1081.8	1123.7	1200
Weighted performance	786.6	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	191	196.2	184.2	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1100.9	1082	1126.1	1200
Analysis
Rating	1100.9	1082	1126.1	1200
Raw rating	1100.9	1082	1126.1	1200
Weighted rating	1100.8	1081.8	1123.7
Weighted performance	786.6	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	191	196.2	184.2	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	1100.9	1082	1126.1	1200
New weighted rating	1100.8	1081.9	1123.6	1200
New weighted performance	786.3	0	0	0
Temp new rating	1100.9	1082	1126.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1100.9	1082	1126.1	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	10	5	5
	10	5	5
	10	5	5
	0	0	0
History	40	25	15

Games since
	Main 10	Standard 5		Rapid 5		Blitz 0
Gender	Male
Age group	U20
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	8.5	28.33	-184.2	1239.5	1055.3
Standard	15	3	20	-255	1268	1013
Rapid	15	5.5	36.67	-113.3	1210.9	1097.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1100.9	1082	1126.1	1200
2025-09-01	1100.9	1082	1126.1	1200
2025-08-01	1100.9	1082	1126.1	1200
2025-07-01	1100.9	1082	1126.1	1200
2025-06-01	1100.9	1082	1126.1	1200
2025-05-01	1100.9	1082	1126.1	1200
2025-04-01	1100.9	1082	1126.1	1200
2025-03-01	1100.9	1082	1126.1	1200
2025-02-01	1100.9	1082	1125.9	1200
2025-01-01	1100.9	1082	1116	1200
2024-12-01	1100.9	1082	1116	1200
2024-11-01	1100.9	1082	1116	1200
2024-10-01	1100.9	1082	1116	1200
2024-09-01	1100.9	1082	1116	1200
2024-08-01	1100.9	1082	1116	1200
2024-07-01	1100.9	1082	1116	1200
2024-06-01	1100.9	1082	1116	1200
2024-08-01	1100.9	1082	1116	1200
2024-04-01	1100.9	1082	1116	1200
2024-03-01	1106.7	1082	1148.8	1200
2024-02-01	1094.1	1075.6	1148.8	1200
2024-01-01	1094.1	1075.6	1148.8	1200
2023-12-01	1094.1	1075.6	1148.8	1200
2023-11-01	1094.1	1075.6	1148.8	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bloemfontein Highschool League 2024 (U19A)	2024-03-08	2024-03-08	Rapid	Mangaung (FMB)	5	5	1	Yes	Analysis
2	Grey College Team Championship 2024 (A)	2024-02-23	2024-02-24	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
3	Grey College Team Championship 2023 (A)	2023-02-03	2023-02-04	Standard	Mangaung (FMB)	5	5	0	Yes	Analysis
4	Bloemfontein Highschool League 24 Feb 2023 (U19A)	2023-02-24	2023-02-24	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
5	Bloemfontein Schools League 2022 (U17)	2022-02-25	2022-02-25	Rapid	Mangaung (FMB)	5	5	2.5	Yes	Analysis
6	Grey College Team Championship 2022 (B)	2022-02-18	2022-02-19	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 2	type Standard	result 1	date 2024-02-23	rnd 3	type Standard	result 1
		Opponent De Villiers, A (Ami)				Opponent Badenhorst, M (Matthew Peter)
2	2	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2023-02-24	rnd 4	type Rapid	result 1	date 2023-02-24	rnd 5	type Rapid	result 1
		Opponent Leserwane, T (Thuto)				Opponent Robberts, M (Morne Christian)
3	2	Tournament Bloemfontein Schools League 2022				Tournament Bloemfontein Schools League 2022
		date 2022-02-25	rnd 3	type Rapid	result 1	date 2022-02-25	rnd 4	type Rapid	result 0.5
		Opponent Swart, Z (Zane)				Opponent Kleynhans, MJ (Malan)

#	Games	Start				End
1	2	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 2	type Standard	result 1	date 2024-02-23	rnd 3	type Standard	result 1
		Opponent De Villiers, A (Ami)				Opponent Badenhorst, M (Matthew Peter)
2	1	Tournament Grey College Team Championship 2022				Tournament Grey College Team Championship 2022
		date 2022-02-18	rnd 2	type Standard	result 1	date 2022-02-18	rnd 2	type Standard	result 1
		Opponent Mckay, F (Fallon)				Opponent Mckay, F (Fallon)

#	Games	Start				End
1	2	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2023-02-24	rnd 4	type Rapid	result 1	date 2023-02-24	rnd 5	type Rapid	result 1
		Opponent Leserwane, T (Thuto)				Opponent Robberts, M (Morne Christian)
2	2	Tournament Bloemfontein Schools League 2022				Tournament Bloemfontein Schools League 2022
		date 2022-02-25	rnd 3	type Rapid	result 1	date 2022-02-25	rnd 4	type Rapid	result 0.5
		Opponent Swart, Z (Zane)				Opponent Kleynhans, MJ (Malan)
3	1	Tournament Bloemfontein Highschool League 2024				Tournament Bloemfontein Highschool League 2024
		date 2024-03-08	rnd 2	type Rapid	result 1	date 2024-03-08	rnd 2	type Rapid	result 1
		Opponent Mosoeu, R (Reitumetse)				Opponent Mosoeu, R (Reitumetse)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 2	type Standard	result 1	date 2024-02-23	rnd 3	type Standard	result 1
		Opponent De Villiers, A (Ami)				Opponent Badenhorst, M (Matthew Peter)
2	2	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2023-02-24	rnd 4	type Rapid	result 1	date 2023-02-24	rnd 5	type Rapid	result 1
		Opponent Leserwane, T (Thuto)				Opponent Robberts, M (Morne Christian)
3	1	Tournament Bloemfontein Highschool League 2024				Tournament Bloemfontein Highschool League 2024
		date 2024-03-08	rnd 2	type Rapid	result 1	date 2024-03-08	rnd 2	type Rapid	result 1
		Opponent Mosoeu, R (Reitumetse)				Opponent Mosoeu, R (Reitumetse)

#	Games	Start				End
1	2	Tournament Grey College Team Championship 2024				Tournament Grey College Team Championship 2024
		date 2024-02-23	rnd 2	type Standard	result 1	date 2024-02-23	rnd 3	type Standard	result 1
		Opponent De Villiers, A (Ami)				Opponent Badenhorst, M (Matthew Peter)
2	1	Tournament Grey College Team Championship 2022				Tournament Grey College Team Championship 2022
		date 2022-02-18	rnd 2	type Standard	result 1	date 2022-02-18	rnd 2	type Standard	result 1
		Opponent Mckay, F (Fallon)				Opponent Mckay, F (Fallon)

#	Games	Start				End
1	2	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2023-02-24	rnd 4	type Rapid	result 1	date 2023-02-24	rnd 5	type Rapid	result 1
		Opponent Leserwane, T (Thuto)				Opponent Robberts, M (Morne Christian)
2	1	Tournament Bloemfontein Highschool League 2024				Tournament Bloemfontein Highschool League 2024
		date 2024-03-08	rnd 2	type Rapid	result 1	date 2024-03-08	rnd 2	type Rapid	result 1
		Opponent Mosoeu, R (Reitumetse)				Opponent Mosoeu, R (Reitumetse)
3	1	Tournament Bloemfontein Schools League 2022				Tournament Bloemfontein Schools League 2022
		date 2022-02-25	rnd 3	type Rapid	result 1	date 2022-02-25	rnd 3	type Rapid	result 1
		Opponent Swart, Z (Zane)				Opponent Swart, Z (Zane)

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	Mosoeu ,R (Reitumetse)	2	1	0	0	0	0	2	1	0	0	0	0
1	Mosoeu ,R (Reitumetse)	2	1235.1	1235.1	0	0	0	2	1193.9	1235.1	0	0	0
2	Mjungu ,L (Lubabalo Emmanuel)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mjungu ,L (Lubabalo Emmanuel)	1	1307.3	882.3	1	1248.1	882.3	0	0	0	0	0	0
3	Piek ,S (Sebastian)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Piek ,S (Sebastian)	1	1222.1	797.1	1	1122.4	797.1	0	0	0	0	0	0
4	Lindeque ,B (Breyten)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Lindeque ,B (Breyten)	1	1161.8	736.8	1	1154.8	736.8	0	0	0	0	0	0
5	Burger ,I (Izak Ulrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Burger ,I (Izak Ulrich)	1	1232.6	807.6	1	1233.2	807.6	0	0	0	0	0	0
6	Mckay ,F (Fallon)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mckay ,F (Fallon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Mohobane ,L (Lebajoa)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mohobane ,L (Lebajoa)	1	1279.1	854.1	1	1148.4	854.1	0	0	0	0	0	0
8	Van Heerden ,R (Ruald)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Heerden ,R (Ruald)	1	1208.9	783.9	1	1190	783.9	0	0	0	0	0	0
9	Van Heerden ,M (Mia)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Heerden ,M (Mia)	1	1372.3	947.3	1	1363.6	947.3	0	0	0	0	0	0
10	Van Biljon ,S (Sarel)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Biljon ,S (Sarel)	1	1200	775	1	1200	775	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

Alexander, D (Darrion)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms