Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
De Vries, MA (Andrio)
Dob:
2008/12/26 (U18)
Gender:
Male
Chess SA id:
108082684
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/04/06 (22 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
Curent Raw rating
1649.4
Curent Weighted rating
1590.7
Curent Weighted performance
1623.2
Current official/published rating (highest between Raw, WR and WP)
1649.4
Current floor (min rating allowed)
1149.4
Current highest rating achieved
1649.4
Current K-factor
28
Games played this month
5
Score (S)
2.0
Expected score (We)
2.50
Difference (S-We)
-0.50
Current Raw change (no limits, including tournament time weight)
-11.6
Current min/max change allowed (with limits)
±87.4
Current Raw change used (final)
-11.6
Projected new Raw rating
1637.8
Projected new Weighed rating
1597.8
Projected new Weighted performance
1623.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1637.8
Projected effective change (new Official - current Official)
-11.6
Projected new highest rating
1649.4
Projected new floor
1149.4
Projected new K-facor
28
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
Curent Raw rating
1652.4
Curent Weighted rating
1584.9
Curent Weighted performance
1621.5
Current official/published rating (highest between Raw, WR and WP)
1652.4
Current floor (min rating allowed)
1152.4
Current highest rating achieved
1652.4
Current K-factor
28
Games played this month
5
Score (S)
2.0
Expected score (We)
2.50
Difference (S-We)
-0.50
Current Raw change (no limits, including tournament time weight)
-14.0
Current min/max change allowed (with limits)
±87.0
Current Raw change used (final)
-14.0
Projected new Raw rating
1638.4
Projected new Weighed rating
1592.4
Projected new Weighted performance
1621.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1638.4
Projected effective change (new Official - current Official)
-14.0
Projected new highest rating
1652.4
Projected new floor
1152.4
Projected new K-facor
28
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
Curent Raw rating
1417.0
Curent Weighted rating
958.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1417.0
Current floor (min rating allowed)
917.0
Current highest rating achieved
1417.0
Current K-factor
32
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)
±121.7
Current Raw change used (final)
0.0
Projected new Raw rating
1417.0
Projected new Weighed rating
1002.3
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1417.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1417.0
Projected new floor
917.0
Projected new K-facor
32
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
Curent Raw rating
879.0
Curent Weighted rating
878.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
879.0
Current floor (min rating allowed)
917.0
Current highest rating achieved
879.0
Current K-factor
40
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)
±262.0
Current Raw change used (final)
0.0
Projected new Raw rating
879.0
Projected new Weighed rating
879.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
879.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
879.0
Projected new floor
917.0
Projected new K-facor
40
Tournaments
History
Tournament:
2024 KSNG CHess Academy Open Tournament (A)
Start:
2024/04/06
End:
2024/04/06
Host:
GTP
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
2.0
Main rating:
1649.4
Rating gain/loss:
-11.6
Type rating:
1652.4
Rating gain/loss:
-14.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
2024 KSNG CHess Academy Open Tournament (A)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1649.4
1652.4
Analysis
3
2024 Chris Greyling Open Chess Tournament (B)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1610.1
1605.6
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (B)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1607.9
1598.3
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U16A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.5
1607.9
1598.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
61
2024 KSNG CHess Academy Open Tournament (A)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1649.4
1652.4
Analysis
60
2024 Chris Greyling Open Chess Tournament (B)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1610.1
1605.6
Analysis
59
2024 Tshwane Chess OPEN Registration Tournament (B)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1607.9
1598.3
Analysis
58
2024 Gauteng Inter-Region Chess Championship (U16A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.5
1607.9
1598.3
Analysis
57
2023 Etienne Lewis Closed Tournament (U16)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
5.0
1585.8
1572.3
Analysis
56
2023 Tshwane South School District CLOSED League Championship (U19)
2023/07/29
2023/07/29
Tshwane (GTP)
Standard
60
0.83
5
4
2.0
1613.0
1606.5
Analysis
55
2023 Menlo Open Tournament (B)
2023/07/22
2023/07/22
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1613.0
1606.5
Analysis
54
2023 Elize Steenkamp Open Tournament (B)
2023/06/16
2023/06/16
Tshwane (GTP)
Standard
90
0.94
6
6
4.0
1633.5
1627.8
Analysis
53
Gauteng Schools Individual Finals 2023 (U15 Boys)
2023/05/27
2023/05/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1640.0
1634.5
Analysis
52
2023 Tshwane South School District CLOSED Individual Championships (U15 Open)
2023/04/22
2023/04/22
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1580.2
1576.5
Analysis
51
Silver Lakes Open Chess Tournament (B)
2023/04/15
2023/04/15
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1580.2
1576.5
Analysis
50
2023 Tshwane Chess Open Registration Tournament (B1)
2023/01/28
2023/01/28
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1489.4
1489.2
Analysis
49
2022 South African Junior Team Chess Championships (U16 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
7
5.0
1444.9
1445.7
Analysis
48
2022 Etienne Lewis (U16 Open)
2022/09/02
2022/09/04
Tshwane (GTP)
Standard
90
0.94
7
7
4.0
1423.2
1423.3
Analysis
47
2022 Alekhine Open (B)
2022/08/13
2022/08/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1398.8
1398.3
Analysis
46
2022 Jacaranda Round Robin (C)
2022/07/30
2022/07/30
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1392.4
1390.9
Analysis
45
2022 Tshwane Chess Fide Rated Blitz League 1
2022/06/18
2022/06/18
Tshwane (GTP)
Blitz
5
0.18
9
9
3.0
1402.2
762.2
Analysis
44
South African Junior Closed Chess Championships 2022 (U14 Open)
2022/03/28
2022/04/02
Chess South Africa (CSA)
Standard
120
1.00
11
11
4.5
1415.3
1404.3
Analysis
43
2022 Gauteng Interregion (U14 Open)
2022/02/26
2022/02/26
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1433.1
1422.2
Analysis
42
CP Ope 2022 (B)
2022/02/19
2022/02/19
Tshwane (GTP)
Standard
60
0.83
5
4
1.5
1433.1
1422.2
Analysis
1
2
3
4
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
20
11
5
4
13.5
67.5
148.8
1524.2
1673.0
White
10
6
2
2
7.0
70.0
170.0
1552.1
1722.1
Black
10
5
3
2
6.5
65.0
127.5
1496.4
1623.9
Standard
All
20
11
5
4
13.5
67.5
148.8
1524.2
1673.0
White
10
6
2
2
7.0
70.0
170.0
1552.1
1722.1
Black
10
5
3
2
6.5
65.0
127.5
1496.4
1623.9
Rapid
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
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
333
176
63
94
207.5
62.3
104.7
1284.6
1389.2
White
159
84
32
43
100.0
62.9
109.6
1298.1
1407.6
Black
174
92
31
51
107.5
61.8
100.1
1272.2
1372.4
Standard
All
324
173
63
88
204.5
63.1
111.5
1281.3
1392.8
White
155
84
32
39
100.0
64.5
123.4
1290.7
1414.1
Black
169
89
31
49
104.5
61.8
100.6
1272.6
1373.2
Rapid
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
Blitz
All
9
3
0
6
3.0
33.3
-141.7
1403.7
1262.0
White
4
0
0
4
0.0
0.0
-425.0
1583.1
1158.1
Black
5
3
0
2
3.0
60.0
85.0
1260.1
1345.1
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
109086362
Yang, A (Alex)
6
5.0
4
2
0
83.3
1430.1
283.3
1713.5
View list
2
108052034
Du Toit, SJM (Stephanus (Matteo))
6
4.5
4
1
1
75.0
1445.0
212.5
1657.5
View list
3
108064021
Coetsee, D (Dewald)
6
1.0
1
0
5
16.7
1435.3
-283.3
1152.0
View list
4
1080143163
Fidos, E (Eric)
4
4.0
4
0
0
100.0
1562.5
425.0
1987.5
View list
5
208088604
Monnig, E (Erika)
4
3.5
3
1
0
87.5
1422.3
318.8
1741.0
View list
6
108045082
Koning, L (Lehan)
4
2.0
2
0
2
50.0
1405.8
0.0
1405.8
View list
7
109069449
Boheim, E (Eugene)
4
1.5
1
1
2
37.5
1445.5
-106.3
1339.2
View list
8
108076196
Potgieter, E (Edward)
4
1.0
0
2
2
25.0
1404.8
-212.5
1192.3
View list
9
108079040
Gruenenfelder, S (Stiaan)
3
3.0
3
0
0
100.0
1556.6
425.0
1981.6
View list
10
108064862
Moolman, R (Reinhardt)
3
3.0
3
0
0
100.0
1328.0
425.0
1753.0
View list
11
106076003
Dvir, O (Omer)
3
2.0
2
0
1
66.7
1425.7
141.7
1567.4
View list
12
109076140
Jones, E (Edward)
3
2.0
2
0
1
66.7
1504.9
141.7
1646.6
View list
13
206050956
Pelser, J (Jean-Marie)
3
2.0
2
0
1
66.7
1197.8
141.7
1339.4
View list
14
108069958
Senekal, F (Frederick)
3
2.0
1
2
0
66.7
1483.3
141.7
1624.9
View list
15
108057851
Malan, H (Henco)
3
1.0
0
2
1
33.3
1336.2
-141.7
1194.5
View list
16
107053924
Vather, S (Shayur)
3
1.0
0
2
1
33.3
1326.3
-141.7
1184.7
View list
17
107079041
Crause, M (Mynhardt)
2
2.0
2
0
0
100.0
1224.6
425.0
1649.6
View list
18
109086534
Erlank, BG (Brandon)
2
2.0
2
0
0
100.0
1387.5
425.0
1812.5
View list
19
110081021
Kutchoukov, I (Ivan)
2
2.0
2
0
0
100.0
1551.2
425.0
1976.2
View list
20
107088031
Lewis, J (Jacques)
2
2.0
2
0
0
100.0
1165.6
425.0
1590.6
View list