Player Page

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
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 rating1302.5
Current Weighted rating1254.9
Current Weighted performance1333.2
Current official/published rating (highest between Raw, WR and WP)1333.2
Current highest rating achieved1302.5
Current floor (min rating allowed)802.5
Current K-factor36
Games played this month0
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 rating1302.5
Projected new Weighed rating1155.8
Projected new Weighted performance1333.2
Projected new final Raw rating (if new WP > new Raw)1333.2
Projected new highest rating1333.2
Projected new floor833.2
Projected new K-facor36
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 rating1284.2
Current Weighted rating1245.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1284.2
Current highest rating achieved1284.2
Current floor (min rating allowed)784.2
Current K-factor36
Games played this month0
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 rating1284.2
Projected new Weighed rating1147.3
Projected new Weighted performance766.4
Projected new final Raw rating (if new WP > new Raw)1284.2
Projected new highest rating1284.2
Projected new floor784.2
Projected new K-facor36
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
s
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 rating1287.4
Current Weighted rating1245.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1287.4
Current highest rating achieved1287.4
Current floor (min rating allowed)787.4
Current K-factor36
Games played this month0
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 rating1287.4
Projected new Weighed rating1146.5
Projected new Weighted performance1113.9
Projected new final Raw rating (if new WP > new Raw)1287.4
Projected new highest rating1287.4
Projected new floor787.4
Projected new K-facor36
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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