Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Mostert, PJ (Pieter)
Dob:
2010/03/10 (U16)
Gender:
Male
Chess SA id:
1100109067
FIDE id:
Region:
Bojanala Platina (NBR)
Citizen:
RSA
Title(s):
Last active:
2024/01/27 (94 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
1228.3
Curent Weighted rating
1272.3
Curent Weighted performance
1096.0
Current official/published rating (highest between Raw, WR and WP)
1272.3
Current floor (min rating allowed)
848.8
Current highest rating achieved
1348.8
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)
±159.3
Current Raw change used (final)
0.0
Projected new Raw rating
1228.3
Projected new Weighed rating
1267.9
Projected new Weighted performance
1096.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1267.9
Projected effective change (new Official - current Official)
-4.4
Projected new highest rating
1348.8
Projected new floor
848.8
Projected new K-facor
36
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
1226.8
Curent Weighted rating
1271.5
Curent Weighted performance
1107.1
Current official/published rating (highest between Raw, WR and WP)
1271.5
Current floor (min rating allowed)
850.3
Current highest rating achieved
1350.3
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)
±159.6
Current Raw change used (final)
0.0
Projected new Raw rating
1226.8
Projected new Weighed rating
1267.1
Projected new Weighted performance
1107.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1267.1
Projected effective change (new Official - current Official)
-4.4
Projected new highest rating
1350.3
Projected new floor
850.3
Projected new K-facor
36
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
1178.0
Curent Weighted rating
1186.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1186.8
Current floor (min rating allowed)
678.0
Current highest rating achieved
1178.0
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)
±171.1
Current Raw change used (final)
0.0
Projected new Raw rating
1178.0
Projected new Weighed rating
1185.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1185.7
Projected effective change (new Official - current Official)
-1.1
Projected new highest rating
1178.0
Projected new floor
678.0
Projected new K-facor
40
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
678.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
678.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Bojanala Closed Chess Championships Stage 1 2024 (U16)
2024/01/27
2024/01/27
Bojanala Platina (NBR)
Standard
60
0.83
5
4
1.0
1242.3
1242.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
37
Bojanala Closed Chess Championships Stage 1 2024 (U16)
2024/01/27
2024/01/27
Bojanala Platina (NBR)
Standard
60
0.83
5
4
1.0
1242.3
1242.6
Analysis
36
West Rand vs Bojanala Inter-Regional Championships 2023 (U14)
2023/10/14
2023/10/14
West Rand (GWR)
Standard
60
0.83
5
5
1.0
1283.8
1295.2
Analysis
35
Bojanala's Battle Of Mount Cambridge 2023 (Knights)
2023/09/16
2023/09/16
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1266.5
1275.0
Analysis
34
Bojanala's Spring Cleaning 2023 (Rooks)
2023/08/26
2023/08/26
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.0
1299.0
1293.0
Analysis
33
Bojanala School League 2023 (Primary School Open)
2023/08/19
2023/08/19
Bojanala Platina (NBR)
Rapid
40
0.70
5
5
2.0
1299.0
1200.0
Analysis
32
Bojanala's FIDE in the Sparkling Waters 2023 (Rooks)
2023/07/28
2023/07/30
Bojanala Platina (NBR)
Standard
120
1.00
6
6
2.5
1309.1
1301.3
Analysis
31
Olienpark - 2nd One for the Ages 2023 (U14)
2023/05/13
2023/05/13
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.5
1318.7
1314.3
Analysis
30
Grenswag's Community Battle 2023 (Rooks)
2023/04/22
2023/04/22
Bojanala Platina (NBR)
Standard
60
0.83
5
4
1.0
1332.7
1328.2
Analysis
29
Schoemies Kings & Queens 2023 (Rooks)
2023/03/18
2023/03/18
Bojanala Platina (NBR)
Standard
60
0.83
5
5
1.5
1329.3
1324.7
Analysis
28
Nories Make It Happen 2023 (Rooks)
2023/03/04
2023/03/04
Bojanala Platina (NBR)
Standard
62
0.84
5
5
3.0
1329.3
1324.7
Analysis
27
One For The Ages 2023 (U14)
2023/02/18
2023/02/18
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1341.6
1339.5
Analysis
26
Harties Wolf Pack 2023 (Rooks)
2023/01/21
2023/01/21
Bojanala Platina (NBR)
Standard
62
0.84
5
5
3.0
1343.4
1340.6
Analysis
25
2022 South African Junior Team Chess Championships (U14 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
6
4.0
1348.8
1350.3
Analysis
24
West Rand vs Bojanala 2022 (U14B)
2022/11/05
2022/11/05
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1344.3
1344.2
Analysis
23
FIDE at The King`s Gate 2.0 2022 (Junior)
2022/10/22
2022/10/22
Bojanala Platina (NBR)
Standard
92
0.94
5
5
4.0
1267.9
1268.9
Analysis
22
Bojanala SAJCC Trials 2022 (U14)
2022/09/23
2022/09/23
Bojanala Platina (NBR)
Standard
120
1.00
5
5
2.0
1288.4
1289.1
Analysis
21
Bojanala Chess Federation Wildcards 2022 (Knights)
2022/08/20
2022/08/20
Bojanala Platina (NBR)
Standard
62
0.84
5
5
4.0
1252.8
1253.1
Analysis
20
2nd One For The Ages 2022 (U14)
2022/07/30
2022/07/30
Bojanala Platina (NBR)
Standard
60
0.83
5
4
2.0
1252.8
1245.9
Analysis
19
Bojanala Chess Federation Clash of Schools 2022 (PS Championship)
2022/07/22
2022/07/22
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1252.8
1245.9
Analysis
18
One For The Ages 2022 (U14)
2022/07/16
2022/07/16
Bojanala Platina (NBR)
Standard
60
0.83
5
4
1.0
1252.8
1245.9
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
4
1
0
3
1.0
25.0
-212.5
1355.7
1143.2
White
2
1
0
1
1.0
50.0
0.0
1389.8
1389.8
Black
2
0
0
2
0.0
0.0
-425.0
1321.7
896.7
Standard
All
4
1
0
3
1.0
25.0
-212.5
1355.7
1143.2
White
2
1
0
1
1.0
50.0
0.0
1389.8
1389.8
Black
2
0
0
2
0.0
0.0
-425.0
1321.7
896.7
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
184
97
5
82
99.5
54.1
34.6
1216.2
1250.9
White
94
52
1
41
52.5
55.9
49.7
1207.0
1256.8
Black
90
45
4
41
47.0
52.2
18.9
1225.8
1244.7
Standard
All
179
95
5
79
97.5
54.5
38.0
1214.9
1252.8
White
92
52
1
39
52.5
57.1
60.1
1204.5
1264.5
Black
87
43
4
40
45.0
51.7
14.7
1225.8
1240.5
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1264.9
1179.9
White
2
0
0
2
0.0
0.0
-425.0
1324.8
899.8
Black
3
2
0
1
2.0
66.7
141.7
1225.0
1366.6
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
110093302
Morkel, DJ (Douglas)
5
3.0
3
0
2
60.0
1235.2
85.0
1320.2
View list
2
1100099556
Bantseke, B (Boikanyo)
5
1.0
1
0
4
20.0
1279.1
-255.0
1024.1
View list
3
1090131247
Changara, A (Adrian Tafara)
4
3.0
3
0
1
75.0
1294.3
212.5
1506.8
View list
4
1110112986
Legwale, L (Lesedi)
4
3.0
3
0
1
75.0
1245.0
212.5
1457.5
View list
5
1090111282
Pedersen, J (Jj)
4
2.0
2
0
2
50.0
1248.9
0.0
1248.9
View list
6
109075163
Letupu, L (Lemogang)
4
0.0
0
0
4
0.0
1258.2
-425.0
833.2
View list
7
111092671
Van Der Berg, KW (Kai)
4
0.0
0
0
4
0.0
1268.0
-425.0
843.0
View list
8
210087760
Jansen Van Vuuren, L (Lourein)
3
3.0
3
0
0
100.0
1252.8
425.0
1677.8
View list
9
1110099325
Nortman, WJ (Wilhelmus Johan)
3
2.0
2
0
1
66.7
1212.2
141.7
1353.8
View list
10
111089655
Guneliev, AA (Adriaan)
3
1.0
1
0
2
33.3
1232.0
-141.7
1090.3
View list
11
1100136765
Ramaboa, T (Thando)
3
1.0
1
0
2
33.3
1268.1
-141.7
1126.4
View list
12
1100117896
Myburgh, Z (Zandre)
3
0.0
0
0
3
0.0
1296.8
-425.0
871.8
View list
13
211093275
Byliefeldt, M (Mienke)
2
2.0
2
0
0
100.0
1296.5
425.0
1721.5
View list
14
1110136394
Botha, J (Johannes Cornelis)
2
2.0
2
0
0
100.0
1297.7
425.0
1722.7
View list
15
1110110361
Enslin, N (Nathan)
2
2.0
2
0
0
100.0
1175.8
425.0
1600.8
View list
16
1110099550
Le Roux, D (Divan)
2
2.0
2
0
0
100.0
1171.2
425.0
1596.2
View list
17
1120133385
Myburgh, B (Braydan)
2
2.0
2
0
0
100.0
1275.9
425.0
1700.9
View list
18
1110096350
Schwim, X (Xander)
2
2.0
2
0
0
100.0
1255.4
425.0
1680.4
View list
19
1100141734
Selome, L (Leruw Neho Nkala)
2
2.0
2
0
0
100.0
1297.2
425.0
1722.2
View list
20
1110133369
Van Schalkwyk, H (Hough)
2
2.0
2
0
0
100.0
1279.4
425.0
1704.4
View list