Chess South Africa
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Chess South Africa
Volgraaff, A (Alexander)
Dob:
2017/08/22 (U8)
Gender:
Male
Chess SA id:
1170153150
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2024/05/05 (43 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
1302.5
Current Weighted rating
1254.9
Current Weighted performance
1333.2
Current official/published rating (highest between Raw, WR and WP)
1333.2
Current highest rating achieved
1302.5
Current floor (min rating allowed)
802.5
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)
±143.3
Current Raw change used (final)
0.0
Projected new Raw rating
1302.5
Projected new Weighed rating
1155.8
Projected new Weighted performance
1333.2
Projected new final Raw rating (if new WP > new Raw)
1333.2
Projected new highest rating
1333.2
Projected new floor
833.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1333.2
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
1284.2
Current Weighted rating
1245.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1284.2
Current highest rating achieved
1284.2
Current floor (min rating allowed)
784.2
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)
±147.1
Current Raw change used (final)
0.0
Projected new Raw rating
1284.2
Projected new Weighed rating
1147.3
Projected new Weighted performance
766.4
Projected new final Raw rating (if new WP > new Raw)
1284.2
Projected new highest rating
1284.2
Projected new floor
784.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1284.2
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
1287.4
Current Weighted rating
1245.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1287.4
Current highest rating achieved
1287.4
Current floor (min rating allowed)
787.4
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)
±146.4
Current Raw change used (final)
0.0
Projected new Raw rating
1287.4
Projected new Weighed rating
1146.5
Projected new Weighted performance
1113.9
Projected new final Raw rating (if new WP > new Raw)
1287.4
Projected new highest rating
1287.4
Projected new floor
787.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1287.4
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
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
3
Western Cape PS Individuals Championship 2024 (U7 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
4.0
1282.7
1253.2
Analysis
2
West Coast Schools Chess Prestige Championships 2024 (U7)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1255.9
1238.4
Analysis
1
Bo-Weskus Skole Prestige 2024 (O7)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
5
5.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
Western Cape PS Individuals Championship 2024 (U7 Boys)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
4.0
1282.7
1253.2
Analysis
4
West Coast Schools Chess Prestige Championships 2024 (U7)
2024/03/09
2024/03/09
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1255.9
1238.4
Analysis
3
Bo-Weskus Skole Prestige 2024 (O7)
2024/02/10
2024/02/10
West Coast (WCU)
Rapid
30
0.60
5
5
5.0
1200.0
1200.0
Analysis
2
Western Cape PS Individuals 2023 (U7 Boys)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1223.0
1200.0
Analysis
1
Bo-Weskus Skole Prestige 2023 (O7 Seuns)
2023/03/04
2023/03/04
West Coast (WCU)
Rapid
30
0.60
5
5
3.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
16
13
0
3
13.0
81.3
265.6
1211.9
1477.5
White
7
6
0
1
6.0
85.7
303.6
1215.9
1519.5
Black
9
7
0
2
7.0
77.8
236.1
1208.8
1444.9
Standard
All
6
4
0
2
4.0
66.7
141.7
1228.1
1369.8
White
3
2
0
1
2.0
66.7
141.7
1229.2
1370.8
Black
3
2
0
1
2.0
66.7
141.7
1227.0
1368.7
Rapid
All
10
9
0
1
9.0
90.0
340.0
1202.2
1542.2
White
4
4
0
0
4.0
100.0
425.0
1206.0
1631.0
Black
6
5
0
1
5.0
83.3
283.3
1199.7
1483.0
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
27
19
3
5
20.5
75.9
220.4
1215.6
1435.9
White
13
10
1
2
10.5
80.8
261.5
1220.7
1482.2
Black
14
9
2
3
10.0
71.4
182.1
1210.8
1393.0
Standard
All
12
8
0
4
8.0
66.7
141.7
1233.2
1374.8
White
6
4
0
2
4.0
66.7
141.7
1240.8
1382.5
Black
6
4
0
2
4.0
66.7
141.7
1225.6
1367.3
Rapid
All
15
11
3
1
12.5
83.3
283.3
1201.5
1484.8
White
7
6
1
0
6.5
92.9
364.3
1203.4
1567.7
Black
8
5
2
1
6.0
75.0
212.5
1199.8
1412.3
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
1160153148
Sacco, A (Aldrin)
2
2.0
2
0
0
100.0
1211.5
425.0
1636.5
View list
2
1170192580
Van Wyk, J (Jan)
2
2.0
2
0
0
100.0
1228.0
425.0
1653.0
View list
3
1170192627
Van Schalkwyk, L (Luke)
1
1.0
1
0
0
100.0
1255.9
425.0
1680.9
View list
4
1150138487
Van Eeden, C (Christian)
1
1.0
1
0
0
100.0
1223.0
425.0
1648.0
View list
5
1160151362
Roeloffze, J (James)
1
1.0
1
0
0
100.0
1223.0
425.0
1648.0
View list
6
2170192579
Swartz, L (Leviah)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1170300519
Nolte, H (Handro)
1
1.0
1
0
0
100.0
1255.9
425.0
1680.9
View list
8
1170300085
Louw, S (Sarel Johannes)
1
1.0
1
0
0
100.0
1282.7
425.0
1707.7
View list
9
1170192623
Louw, D (Dean)
1
1.0
1
0
0
100.0
1255.9
425.0
1680.9
View list
10
1170192575
Jonker, W (William)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
1170192937
Hessie, L (Luke)
1
1.0
1
0
0
100.0
1282.7
425.0
1707.7
View list
12
1170192574
De Wee, R (Robiniquin)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
13
1160153143
Burger, A (Adrian)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
1170193573
Baron, R (Raziel)
1
1.0
1
0
0
100.0
1282.7
425.0
1707.7
View list
15
1180193574
Harris, A (Alex)
1
1.0
1
0
0
100.0
1282.7
425.0
1707.7
View list
16
1160150371
Van Wyk, A (Alonzo)
1
1.0
1
0
0
100.0
1223.0
425.0
1648.0
View list
17
2170192581
Van Wyk, L (Lara)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
18
1160153145
Diergaardt, M (Massimo)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
19
1160153149
Snyman, J (Jerran)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
20
1160153147
Pienaar, R (Ryan)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list