Player Page

Udemans, B (Billy)
Dob: 2009/06/29 (U16)
Gender: Male
Chess SA id: 1090139779
FIDE id:
Region: Nelson Mandela Bay (ENM)
Citizen: RSA
Title(s):
Last active: 2023/10/08 (222 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
Curent Raw rating1362.3
Curent Weighted rating1369.2
Curent Weighted performance1265.7
Current official/published rating (highest between Raw, WR and WP)1369.2
Current floor (min rating allowed)921.6
Current highest rating achieved1421.6
Current K-factor32
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)±131.6
Current Raw change used (final)0.0
Projected new Raw rating1362.3
Projected new Weighed rating1369.2
Projected new Weighted performance1265.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1369.2
Projected effective change (new Official - current Official)-0.0
Projected new highest rating1421.6
Projected new floor921.6
Projected new K-facor32
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 rating1361.4
Curent Weighted rating1385.9
Curent Weighted performance1259.8
Current official/published rating (highest between Raw, WR and WP)1385.9
Current floor (min rating allowed)963.2
Current highest rating achieved1463.2
Current K-factor32
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)±131.8
Current Raw change used (final)0.0
Projected new Raw rating1361.4
Projected new Weighed rating1383.7
Projected new Weighted performance1259.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1383.7
Projected effective change (new Official - current Official)-2.2
Projected new highest rating1463.2
Projected new floor963.2
Projected new K-facor32
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 rating1181.7
Curent Weighted rating1175.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1181.7
Current floor (min rating allowed)704.4
Current highest rating achieved1204.4
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)±170.2
Current Raw change used (final)0.0
Projected new Raw rating1181.7
Projected new Weighed rating1176.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1181.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1204.4
Projected new floor704.4
Projected new K-facor36
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 rating1165.6
Curent Weighted rating1165.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1165.7
Current floor (min rating allowed)704.4
Current highest rating achieved1165.6
Current K-factor40
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)±174.1
Current Raw change used (final)0.0
Projected new Raw rating1165.6
Projected new Weighed rating1165.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1165.6
Projected effective change (new Official - current Official)-0.1
Projected new highest rating1165.6
Projected new floor704.4
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
18 Eastern Cape Chess Team Championship 2023 (U16) 2023/10/07 2023/10/08 Nelson Mandela Bay (ENM) Standard 65 0.85 5 5 4.0 1407.2 1431.8 Analysis
17 Eastern Cape Provincial Individual Championship 2023 (U16 Boys) 2023/10/05 2023/10/06 Nelson Mandela Bay (ENM) Standard 65 0.85 7 7 2.5 1407.2 1431.8 Analysis
16 NMBCU Closed 2023 (U16) 2023/08/11 2023/08/12 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1395.5 1420.3 Analysis
15 2023 EC Schools Provincial Winter Games (U15 Boys) 2023/06/02 2023/06/03 Buffalo City (EBC) Standard 60 0.83 6 6 4.0 1396.3 1429.6 Analysis
14 EP Trials 3 2023 (U16) 2023/05/05 2023/05/06 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 5.0 1342.9 1371.0 Analysis
13 NMB 2nd Trials 2023 (U16) 2023/03/24 2023/03/25 Nelson Mandela Bay (ENM) Standard 60 0.83 6 4 1.5 1366.1 1417.4 Analysis
12 Youth Chess Acadamy Rapid Tournament 2023 (A) 2023/03/11 2023/03/11 Nelson Mandela Bay (ENM) Rapid 15 0.39 5 5 3.0 1366.1 1123.0 Analysis
11 2023 Pearson Open Chess Tournament (C) 2023/02/24 2023/02/25 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 4.0 1348.0 1423.5 Analysis
10 NMB 1st Trials 2023 (U16) 2023/02/17 2023/02/18 Nelson Mandela Bay (ENM) Standard 60 0.83 6 5 2.5 1348.0 1423.5 Analysis
9 2022 Madibaz Physics Chess Open (C) 2022/10/07 2022/10/08 Nelson Mandela Bay (ENM) Rapid 30 0.60 7 6 1.5 1421.6 1204.4 Analysis
8 Eatern Cape Provincial Chess Championship 2022 (U14 Boys) 2022/10/01 2022/10/01 Sarah Baartman (ESB) Standard 65 0.85 7 7 4.0 1421.6 1463.2 Analysis
7 2022 NMBCU Closed 2022 (U14) 2022/08/19 2022/08/20 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 4.5 1275.2 1286.1 Analysis
6 2022 NMBCU Trial 4 (U14) 2022/08/12 2022/08/13 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1275.2 1286.1 Analysis
5 NMBCU Trial 3 2022 (U14) 2022/07/22 2022/07/23 Nelson Mandela Bay (ENM) Standard 60 0.83 6 5 4.0 1240.8 1247.6 Analysis
4 2022 NMB Rapid & Blitz Championships (Rapid) 2022/07/02 2022/07/02 Nelson Mandela Bay (ENM) Rapid 12 0.33 5 5 2.5 1240.8 1200.0 Analysis
3 2022 NMB Rapid & Blitz Championships (Blitz) 2022/07/02 2022/07/02 Nelson Mandela Bay (ENM) Blitz 5 0.18 7 7 3.0 1240.8 1200.0 Analysis
2 2022 NMB Junior Trials 2 (U14) 2022/05/13 2022/05/14 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.5 1216.9 1219.2 Analysis
1 2022 NMB Junior Trials 1 (U14) 2022/04/22 2022/04/23 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 102 56 10 36 61.0 59.8 83.3 1271.9 1355.3
White 52 33 5 14 35.5 68.3 155.3 1242.9 1398.2
Black 50 23 5 22 25.5 51.0 8.5 1302.1 1310.6
Standard All 79 47 8 24 51.0 64.6 123.7 1266.4 1390.1
White 40 27 4 9 29.0 72.5 191.2 1245.8 1437.1
Black 39 20 4 15 22.0 56.4 54.5 1287.4 1341.9
Rapid All 16 6 2 8 7.0 43.8 -53.1 1319.3 1266.2
White 8 4 1 3 4.5 56.3 53.1 1251.0 1304.1
Black 8 2 1 5 2.5 31.3 -159.4 1387.6 1228.3
Blitz All 7 3 0 4 3.0 42.9 -60.7 1226.4 1165.7
White 4 2 0 2 2.0 50.0 0.0 1197.8 1197.8
Black 3 1 0 2 1.0 33.3 -141.7 1264.5 1122.8
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 109067367 Peter, N (Noah) 7 2.0 2 0 5 28.6 1314.5 -182.1 1132.4 View list
2 1100139765 Schler, J (Jayden) 3 3.0 3 0 0 100.0 1324.0 425.0 1749.0 View list
3 109083952 Taljard, J (Julian) 3 2.0 2 0 1 66.7 1280.0 141.7 1421.7 View list
4 2090107383 Munir, A (Ainy) 2 2.0 2 0 0 100.0 1220.4 425.0 1645.4 View list
5 1090140449 Randall, K (Kyle) 2 2.0 2 0 0 100.0 1371.8 425.0 1796.8 View list
6 1090111480 Sihewula, A (Achuma) 2 2.0 2 0 0 100.0 1380.8 425.0 1805.8 View list
7 1090139778 Theunissen, A (Andrew) 2 2.0 2 0 0 100.0 1258.0 425.0 1683.0 View list
8 1080151620 Lippstreu, C (Caleb) 2 1.5 1 1 0 75.0 1380.8 212.5 1593.3 View list
9 1090137439 Marais, R (Ryan) 2 1.5 1 1 0 75.0 1414.4 212.5 1626.9 View list
10 1080151219 Collett, S (Samuel) 2 1.0 1 0 1 50.0 1401.3 0.0 1401.3 View list
11 1080139768 Grigor, R (Ruan) 2 1.0 1 0 1 50.0 1303.6 0.0 1303.6 View list
12 1080133991 Jaffray, J (Joseph) 2 1.0 1 0 1 50.0 1380.8 0.0 1380.8 View list
13 1990138982 Sibengile, Z (Zolani) 2 1.0 1 0 1 50.0 1331.2 0.0 1331.2 View list
14 108070879 Slabbert, D (Deon) 2 1.0 1 0 1 50.0 1271.5 0.0 1271.5 View list
15 1100139755 Kipper, W (Wolfgang) 2 0.5 0 1 1 25.0 1348.4 -212.5 1135.9 View list
16 110077415 Pienaar, K (Keane) 2 0.5 0 1 1 25.0 1331.2 -212.5 1118.7 View list
17 108070881 Bouwer, R (Ruben) 2 0.0 0 0 2 0.0 1386.7 -425.0 961.7 View list
18 1070132812 Cornelius, S (Sebastian) 1 1.0 1 0 0 100.0 1366.1 425.0 1791.1 View list
19 1100111042 Brandt, H (Hannes) 1 1.0 1 0 0 100.0 1275.2 425.0 1700.2 View list
20 1100136242 Blandy, L (Levi) 1 1.0 1 0 0 100.0 1421.6 425.0 1846.6 View list