Chess South Africa
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Chess South Africa
Drotsky, R (Reynhardt)
Dob:
2009/01/30 (U16)
Gender:
Male
Chess SA id:
1090144708
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2024/10/12 (40 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1308.2
Current Weighted rating
1242.8
Current Weighted performance
1252.0
Current official/published rating (highest between Raw, WR and WP)
1308.2
Current highest rating achieved
1366.1
Current floor (min rating allowed)
866.1
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±142.1
Current Raw change used (final)
0.0
Projected new Raw rating
1308.2
Projected new Weighed rating
1145.4
Projected new Weighted performance
1252.0
Projected new final Raw rating (if new WP > new Raw)
1308.2
Projected new highest rating
1366.1
Projected new floor
866.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1308.2
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1312.4
Current Weighted rating
1237.5
Current Weighted performance
1291.4
Current official/published rating (highest between Raw, WR and WP)
1312.4
Current highest rating achieved
1361.0
Current floor (min rating allowed)
861.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±141.3
Current Raw change used (final)
0.0
Projected new Raw rating
1312.4
Projected new Weighed rating
1140.6
Projected new Weighted performance
1291.4
Projected new final Raw rating (if new WP > new Raw)
1312.4
Projected new highest rating
1361.0
Projected new floor
861.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1312.4
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1171.6
Current Weighted rating
1166.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1171.6
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±172.7
Current Raw change used (final)
0.0
Projected new Raw rating
1171.6
Projected new Weighed rating
1072.6
Projected new Weighted performance
850.7
Projected new final Raw rating (if new WP > new Raw)
1171.6
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1171.6
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
10
NWU Vaal Chess Open 12 Oct 2024 (C)
2024/10/12
2024/10/12
Sedibeng (GSV)
Standard
60
0.83
5
5
2.5
1302.2
1289.7
Analysis
9
Gauteng Top Schools 2024 (U15 Open)
2024/10/05
2024/10/05
Ekurhuleni (GE)
Rapid
35
0.66
5
5
2.5
1302.2
1157.9
Analysis
8
North School Primary Chess Open 2024 (B)
2024/08/31
2024/08/31
Sedibeng (GSV)
Standard
60
0.83
5
4
2.0
1366.1
1361.0
Analysis
7
Gauteng Schools Individuals Finals 2024 (U15 Boys)
2024/08/17
2024/08/17
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.0
1366.1
1361.0
Analysis
6
Sedibeng East D7 Teams Trials 2024 (U15)
2024/08/03
2024/08/03
Sedibeng (GSV)
Standard
60
0.83
5
5
5.0
1278.8
1272.9
Analysis
5
Hoerskool Overvaal Chess Open 2024 (B)
2024/04/20
2024/04/20
Sedibeng (GSV)
Standard
60
0.83
5
4
2.0
1183.5
1181.6
Analysis
4
Vaalpark Primary Chess Open 2024 (B)
2024/04/13
2024/04/13
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
1183.5
1181.6
Analysis
3
HS Drie Riviere Chess Open Section 2024
2024/03/09
2024/03/09
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1183.5
1181.6
Analysis
2
Valia's Open 2024 (C)
2024/03/02
2024/03/02
Sedibeng (GSV)
Standard
61
0.84
5
5
2.5
1162.9
1157.8
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U16B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
0.5
1212.0
1209.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
26
NWU Vaal Chess Open 12 Oct 2024 (C)
2024/10/12
2024/10/12
Sedibeng (GSV)
Standard
60
0.83
5
5
2.5
1302.2
1289.7
Analysis
25
Gauteng Top Schools 2024 (U15 Open)
2024/10/05
2024/10/05
Ekurhuleni (GE)
Rapid
35
0.66
5
5
2.5
1302.2
1157.9
Analysis
24
North School Primary Chess Open 2024 (B)
2024/08/31
2024/08/31
Sedibeng (GSV)
Standard
60
0.83
5
4
2.0
1366.1
1361.0
Analysis
23
Gauteng Schools Individuals Finals 2024 (U15 Boys)
2024/08/17
2024/08/17
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.0
1366.1
1361.0
Analysis
22
Sedibeng East D7 Teams Trials 2024 (U15)
2024/08/03
2024/08/03
Sedibeng (GSV)
Standard
60
0.83
5
5
5.0
1278.8
1272.9
Analysis
21
Hoerskool Overvaal Chess Open 2024 (B)
2024/04/20
2024/04/20
Sedibeng (GSV)
Standard
60
0.83
5
4
2.0
1183.5
1181.6
Analysis
20
Vaalpark Primary Chess Open 2024 (B)
2024/04/13
2024/04/13
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
1183.5
1181.6
Analysis
19
HS Drie Riviere Chess Open Section 2024
2024/03/09
2024/03/09
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1183.5
1181.6
Analysis
18
Valia's Open 2024 (C)
2024/03/02
2024/03/02
Sedibeng (GSV)
Standard
61
0.84
5
5
2.5
1162.9
1157.8
Analysis
17
2024 Gauteng Inter-Region Chess Championship (U16B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
0.5
1212.0
1209.6
Analysis
16
Queens Gambit Chess Open 2023 (C)
2023/11/25
2023/11/25
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1195.6
1189.4
Analysis
15
Dr Pieter Hangelbroek Rapid 2023 (B)
2023/10/28
2023/10/28
Sedibeng (GSV)
Rapid
30
0.60
5
5
1.5
1154.3
1200.0
Analysis
14
NWU Vaal Open 2023 (C)
2023/10/14
2023/10/14
Sedibeng (GSV)
Standard
61
0.83
5
5
3.0
1154.3
1141.2
Analysis
13
Driehoek Open Chess Tournament 2023 (C)
2023/09/13
2023/09/13
Sedibeng (GSV)
Standard
60
0.83
5
4
1.0
1207.2
1202.4
Analysis
12
Fonteine Chess Open 2023 (C)
2023/09/02
2023/09/02
Sedibeng (GSV)
Standard
60
0.83
5
5
1.0
1177.0
1166.0
Analysis
11
NG Kerk Vanderbijlpark Suid Open 2023 (C)
2023/08/26
2023/08/26
Sedibeng (GSV)
Standard
61
0.83
5
5
1.0
1200.9
1196.6
Analysis
10
2023 Gauteng Top Schools (U15 Mixed)
2023/08/19
2023/08/19
West Rand (GWR)
Standard
60
0.83
5
4
2.0
1200.9
1196.6
Analysis
9
Gauteng D7 Teams 2023 (U15)
2023/08/12
2023/08/12
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1200.9
1196.6
Analysis
8
Overvaal Ope Jul 2023 (B)
2023/07/22
2023/07/22
Sedibeng (GSV)
Standard
60
0.83
5
5
2.0
1209.9
1208.5
Analysis
7
Gauteng Schools D7 2023 (U15 Boys)
2023/05/20
2023/05/20
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1207.2
1202.4
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
48
21
4
23
23.0
47.9
-17.7
1297.2
1279.5
White
24
12
1
11
12.5
52.1
17.7
1288.4
1306.1
Black
24
9
3
12
10.5
43.8
-53.1
1306.0
1252.8
Standard
All
43
19
3
21
20.5
47.7
-19.8
1308.1
1288.4
White
22
11
1
10
11.5
52.3
19.3
1293.2
1312.5
Black
21
8
2
11
9.0
42.9
-60.7
1323.8
1263.0
Rapid
All
5
2
1
2
2.5
50.0
0.0
1203.0
1203.0
White
2
1
0
1
1.0
50.0
0.0
1235.4
1235.4
Black
3
1
1
1
1.5
50.0
0.0
1181.4
1181.4
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
126
55
6
65
58.0
46.0
-33.7
1258.7
1225.0
White
60
26
2
32
27.0
45.0
-42.5
1254.9
1212.4
Black
66
29
4
33
31.0
47.0
-25.8
1262.1
1236.4
Standard
All
110
49
4
57
51.0
46.4
-30.9
1257.9
1227.0
White
52
23
1
28
23.5
45.2
-40.9
1247.3
1206.4
Black
58
26
3
29
27.5
47.4
-22.0
1267.3
1245.4
Rapid
All
16
6
2
8
7.0
43.8
-53.1
1264.6
1211.4
White
8
3
1
4
3.5
43.8
-53.1
1304.7
1251.5
Black
8
3
1
4
3.5
43.8
-53.1
1224.5
1171.3
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1090144712
Kok, L (Largo)
4
2.0
1
2
1
50.0
1206.3
0.0
1206.3
View list
2
1110151858
Van De Venter, Z (Zandre)
4
0.0
0
0
4
0.0
1171.0
-425.0
746.0
View list
3
109089303
Tolmay, L (Llewellyn)
3
0.0
0
0
3
0.0
1229.7
-425.0
804.7
View list
4
1090135904
Nthejane, T (Tshepang)
2
2.0
2
0
0
100.0
1148.8
425.0
1573.8
View list
5
1090117632
Venter, J (James)
2
1.5
1
1
0
75.0
1264.5
212.5
1477.0
View list
6
1120136511
Brand, H (Henko)
2
1.0
1
0
1
50.0
1232.6
0.0
1232.6
View list
7
109083901
Botha, OJ (Owen)
2
1.0
1
0
1
50.0
1196.7
0.0
1196.7
View list
8
1100114958
Fourie, L (Lucius)
2
1.0
1
0
1
50.0
1201.4
0.0
1201.4
View list
9
1110139656
Kemp, J (Jowan)
2
1.0
1
0
1
50.0
1183.5
0.0
1183.5
View list
10
2090119783
Kovuzela, J (Jabulile)
2
1.0
1
0
1
50.0
1187.8
0.0
1187.8
View list
11
1090141898
Mojaju, K (Kelebokgile)
2
1.0
1
0
1
50.0
1196.7
0.0
1196.7
View list
12
1100301545
Nkwe, O (Oratilwe Ellen)
2
1.0
1
0
1
50.0
1242.8
0.0
1242.8
View list
13
2070100395
Van Der Merwe, L (Lilee)
2
1.0
1
0
1
50.0
1185.1
0.0
1185.1
View list
14
108080726
Howat, LC (Logan)
2
0.0
0
0
2
0.0
1195.3
-425.0
770.3
View list
15
1090111867
Mittermaier, G (Gunther)
2
0.0
0
0
2
0.0
1168.9
-425.0
743.9
View list
16
2090148627
Steyn, M (Michelle)
2
0.0
0
0
2
0.0
1200.8
-425.0
775.8
View list
17
208061285
Van Der Net, ME (Mariel)
2
0.0
0
0
2
0.0
1271.5
-425.0
846.5
View list
18
1080158610
Van Eyssen, A (Arend)
2
0.0
0
0
2
0.0
1168.9
-425.0
743.9
View list
19
108070894
Barnard, M (Martin)
1
1.0
1
0
0
100.0
1207.2
425.0
1632.2
View list
20
2080147115
Engelbrecht, B (Bernice)
1
1.0
1
0
0
100.0
1181.4
425.0
1606.4
View list