Chess South Africa Ratings Database

PLAYER PAGE

Personal

Drotsky, R (Ruben)

Chess SA id

1130308589

FIDE id

Date of birth

2013-07-07 (U14)

Gender

Male

Region

Gert Sibande (MGS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-24

Personal details last changed

1900-01-01

Junior GPX Games

12.5

Junior GPX Points

1371.4

Item	Main	Standard	Rapid	Blitz
Rating	1404.2	1323.1	1365.9	1200
Raw rating	1368.6	1323.1	1365.9	1200
Weighted rating	1270.4	1219.3	1309.1	1200
Weighted performance	1404.2	0	0	0
Floor	868.6	823.1	865.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	130.4	139.1	130.9	165.8
Highest rating	1420.2 2025-09-30	1323.1 2025-09-30	1481 2024-08-01	1200 2024-10-01
Highest raw rating	1368.6 2025-09-30	1323.1 2025-09-30	1365.9 2025-09-01	1200 2024-10-01
Highest weighted rating	1260.2 2025-09-30	1209.8 2025-09-30	1314.4 2024-10-01	1200 2024-10-01
Highest weighted performance	1420.2 2025-09-30	1200 2024-10-01	1481 2024-08-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-8.5	0	0	0
New rating	1395.6	1323.1	1365.9	1200
Analysis
Rating	1404.2	1323.1	1365.9	1200
Raw rating	1368.6	1323.1	1365.9	1200
Weighted rating	1270.4	1219.3	1309.1
Weighted performance	1404.2	0	0
K-factor	36	36	36	36
Floor	868.6	823.1	865.9	700
Max/Min rating change allowed	130.4	139.1	130.9	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	1368.6	1323.1	1365.9	1200
New weighted rating	1280	1228.3	1316.1	1200
New weighted performance	1395.6	0	0	0
Temp new rating	1395.6	1323.1	1365.9	1200
Temp new rating +/-	-8.5	0	0	0
Final new rating +/-	-8.5	0	0	0
New rating	1395.6	1323.1	1365.9	1200
New K-factor	36	36	36	36
New floor	868.6	823.1	865.9	700

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

Games since
	Main 25	Standard 10		Rapid 15		Blitz 0
Gender	Male
Age group	U14
Region	Gert Sibande (MGS)
Province	Mpumalanga (MP)
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	15	12.5	83.33	283.3	1230.9	1514.2
Standard	10	8.5	85	297.5	1220.1	1517.6
Rapid	5	4	80	255	1252.6	1507.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	19.5	78	238	1235.1	1473.1
Standard	10	8.5	85	297.5	1220.1	1517.6
Rapid	15	11	73.33	198.3	1245.1	1443.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1368.6	1323.1	1365.9	1200
2025-09-30	1368.6	1323.1	1365.9	1200
2025-09-01	1292.4	1200	1365.9	1200
2025-08-01	1260	1200	1314.4	1200
2025-07-01	1260	1200	1314.4	1200
2025-06-01	1260	1200	1314.4	1200
2025-05-01	1260	1200	1314.4	1200
2025-04-01	1260	1200	1314.4	1200
2025-03-01	1260	1200	1314.4	1200
2025-02-01	1260	1200	1314.4	1200
2025-01-01	1260	1200	1314.4	1200
2024-12-01	1260	1200	1314.4	1200
2024-11-01	1260	1200	1314.4	1200
2024-10-01	1260	1200	1314.4	1200
2024-09-01	1260	1200	1314.4	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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	Mpumalanga Regional Chess Trials 2025 (U14)	2025-09-20	2025-09-20	Standard	Gert Sibande (MGS)	5	5	4.5	Yes	Analysis
2	Gert Sibande Open Championship 2025 (C)	2025-09-24	2025-09-24	Standard	Gert Sibande (MGS)	5	5	4	Yes	Analysis
3	Rookies Tournament Secunda 2025 (U13)	2025-08-08	2025-08-08	Rapid	Gert Sibande (MGS)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mpumalanga Regional Chess Trials 2025 (U14)	2025-09-20	2025-09-20	Standard	Gert Sibande (MGS)	5	5	4.5	Yes	Analysis
2	Gert Sibande Open Championship 2025 (C)	2025-09-24	2025-09-24	Standard	Gert Sibande (MGS)	5	5	4	Yes	Analysis
3	Rookies Tournament Secunda 2025 (U13)	2025-08-08	2025-08-08	Rapid	Gert Sibande (MGS)	5	5	4	Yes	Analysis
4	Top Schools Gert Sibande 2024 (U11)	2024-08-16	2024-08-16	Rapid	Gert Sibande (MGS)	5	5	4	Yes	Analysis
5	Govan Mbeki 2024 (U11)	2024-08-02	2024-08-02	Rapid	Gert Sibande (MGS)	5	5	3	Yes	Analysis

#	Games	Start				End
1	12	Tournament Rookies Tournament Secunda 2025				Tournament Gert Sibande Open Championship 2025
		date 2025-08-08	rnd 3	type Rapid	result 1	date 2025-09-24	rnd 4	type Standard	result 1
		Opponent Ritchie, C (Connor)				Opponent Nyatsanga, S (Simphiwe)
2	4	Tournament Govan Mbeki 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-02	rnd 5	type Rapid	result 1	date 2024-08-16	rnd 3	type Rapid	result 1
		Opponent Hadebe, N (Nkayezi)				Opponent Erasmus, T (Tylor)
3	2	Tournament Top Schools Gert Sibande 2024				Tournament Rookies Tournament Secunda 2025
		date 2024-08-16	rnd 5	type Rapid	result 1	date 2025-08-08	rnd 1	type Rapid	result 1
		Opponent Turbridge, J (Joshua)				Opponent Buckle, L (Llewellyn)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Govan Mbeki 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-02	rnd 5	type Rapid	result 1	date 2024-08-16	rnd 3	type Rapid	result 1
		Opponent Hadebe, N (Nkayezi)				Opponent Erasmus, T (Tylor)
2	3	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 3	type Rapid	result 1	date 2025-08-08	rnd 5	type Rapid	result 1
		Opponent Ritchie, C (Connor)				Opponent Botha, Z (Zander)
3	2	Tournament Top Schools Gert Sibande 2024				Tournament Rookies Tournament Secunda 2025
		date 2024-08-16	rnd 5	type Rapid	result 1	date 2025-08-08	rnd 1	type Rapid	result 1
		Opponent Turbridge, J (Joshua)				Opponent Buckle, L (Llewellyn)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Govan Mbeki 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-02	rnd 5	type Rapid	result 1	date 2024-08-16	rnd 3	type Rapid	result 1
		Opponent Hadebe, N (Nkayezi)				Opponent Erasmus, T (Tylor)
2	3	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 3	type Rapid	result 1	date 2025-08-08	rnd 5	type Rapid	result 1
		Opponent Ritchie, C (Connor)				Opponent Botha, Z (Zander)
3	2	Tournament Top Schools Gert Sibande 2024				Tournament Rookies Tournament Secunda 2025
		date 2024-08-16	rnd 5	type Rapid	result 1	date 2025-08-08	rnd 1	type Rapid	result 1
		Opponent Turbridge, J (Joshua)				Opponent Buckle, L (Llewellyn)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Govan Mbeki 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-02	rnd 5	type Rapid	result 1	date 2024-08-16	rnd 3	type Rapid	result 1
		Opponent Hadebe, N (Nkayezi)				Opponent Erasmus, T (Tylor)
2	3	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 3	type Rapid	result 1	date 2025-08-08	rnd 5	type Rapid	result 1
		Opponent Ritchie, C (Connor)				Opponent Botha, Z (Zander)
3	2	Tournament Top Schools Gert Sibande 2024				Tournament Rookies Tournament Secunda 2025
		date 2024-08-16	rnd 5	type Rapid	result 1	date 2025-08-08	rnd 1	type Rapid	result 1
		Opponent Turbridge, J (Joshua)				Opponent Buckle, L (Llewellyn)

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	Coetzee ,M (Markus)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
1	Coetzee ,M (Markus)	2	1324.3	1536.8	1	1200	1324.3	1	1425.2	1749.3	0	0	0
2	Erasmus ,T (Tylor)	2	1	0	0	0	0	2	1	0	0	0	0
2	Erasmus ,T (Tylor)	2	1307.4	1307.4	0	0	0	2	1410.9	1307.4	0	0	0
3	Mabunga ,D (Dakalo)	2	1	0	0	0	0	2	1	0	0	0	0
3	Mabunga ,D (Dakalo)	2	1315.2	1315.2	0	0	0	2	1379.6	1315.2	0	0	0
4	Crafford ,L (Lian)	2	2	425	0	0	0	2	2	425	0	0	0
4	Crafford ,L (Lian)	2	1200	1625	0	0	0	2	1200	1625	0	0	0
5	Mazibuko ,B (Bongane)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mazibuko ,B (Bongane)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Moloi ,L (Lebohang)	1	1	425	1	1	425	0	0	0	0	0	0
6	Moloi ,L (Lebohang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Mncube ,M (Mpumelelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mncube ,M (Mpumelelo)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Nyatsanga ,S (Simphiwe)	1	1	425	1	1	425	0	0	0	0	0	0
8	Nyatsanga ,S (Simphiwe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Msibi ,T (Thabang)	1	1	425	1	1	425	0	0	0	0	0	0
9	Msibi ,T (Thabang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Bell ,G (Genevieve)	1	1	425	1	1	425	0	0	0	0	0	0
10	Bell ,G (Genevieve)	1	1272.1	1697.1	1	1200	1697.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Drotsky, R (Ruben)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms