Player Page

Botha, J (Jan-Petrus)
Dob: 2009/06/24 (U16)
Gender: Male
Chess SA id: 1090105347
FIDE id:
Region: Pixley-ka-Seme (NCP)
Citizen: RSA
Title(s):
Last active: 2024/10/12 (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 rating1246.7
Current Weighted rating1273.3
Current Weighted performance1165.7
Current official/published rating (highest between Raw, WR and WP)1273.3
Current highest rating achieved1342.7
Current floor (min rating allowed)842.7
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)±155.1
Current Raw change used (final)0.0
Projected new Raw rating1246.7
Projected new Weighed rating1171.8
Projected new Weighted performance1165.7
Projected new final Raw rating (if new WP > new Raw)1246.7
Projected new highest rating1342.7
Projected new floor842.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1246.7
Projected effective change (new Official - current Official)-26.6
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 rating1238.2
Current Weighted rating1267.5
Current Weighted performance1165.7
Current official/published rating (highest between Raw, WR and WP)1267.5
Current highest rating achieved1341.7
Current floor (min rating allowed)841.7
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)±157.0
Current Raw change used (final)0.0
Projected new Raw rating1238.2
Projected new Weighed rating1166.5
Projected new Weighted performance1165.7
Projected new final Raw rating (if new WP > new Raw)1238.2
Projected new highest rating1341.7
Projected new floor841.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1238.2
Projected effective change (new Official - current Official)-29.3
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 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
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
9 2024 Hopetown Schools Chess Tournament (U15-U19) 2024/10/12 2024/10/12 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 1.5 1272.7 1269.2 Analysis
8 2024 NC Closed Chess Championships (U16 Open) 2024/08/23 2024/08/25 Frances Baard (NCF) Standard 92 0.94 5 5 2.0 1314.8 1316.0 Analysis
7 Hopetown Schools Chess Tournament 2024 (U15) 2024/08/17 2024/08/17 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 3.5 1314.8 1316.0 Analysis
6 Womens Day Tournament 024 (A) 2024/08/09 2024/08/09 Frances Baard (NCF) Standard 60 0.83 5 5 2.0 1314.8 1316.0 Analysis
5 2024 HSDA Open 3 (U15) 2024/07/27 2024/07/27 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 3.0 1323.0 1326.4 Analysis
4 Hopetown Open Chess Tournament 2024 (U14+U16) 2024/04/20 2024/04/20 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 3.0 1274.8 1271.8 Analysis
3 The Pixley ka Seme Chess Open Schools Tournament 2024 (U15) 2024/04/06 2024/04/06 Pixley-ka-Seme (NCP) Standard 62 0.84 5 4 3.0 1274.8 1271.8 Analysis
2 2024 Frances Baard Schools Open (U15) 2024/02/03 2024/02/03 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1253.9 1245.9 Analysis
1 HSDA School Open 2024 (U16-Open) 2024/01/27 2024/01/27 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1244.2 1231.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
34 2024 Hopetown Schools Chess Tournament (U15-U19) 2024/10/12 2024/10/12 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 1.5 1272.7 1269.2 Analysis
33 2024 NC Closed Chess Championships (U16 Open) 2024/08/23 2024/08/25 Frances Baard (NCF) Standard 92 0.94 5 5 2.0 1314.8 1316.0 Analysis
32 Hopetown Schools Chess Tournament 2024 (U15) 2024/08/17 2024/08/17 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 3.5 1314.8 1316.0 Analysis
31 Womens Day Tournament 024 (A) 2024/08/09 2024/08/09 Frances Baard (NCF) Standard 60 0.83 5 5 2.0 1314.8 1316.0 Analysis
30 2024 HSDA Open 3 (U15) 2024/07/27 2024/07/27 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 3.0 1323.0 1326.4 Analysis
29 Hopetown Open Chess Tournament 2024 (U14+U16) 2024/04/20 2024/04/20 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 3.0 1274.8 1271.8 Analysis
28 The Pixley ka Seme Chess Open Schools Tournament 2024 (U15) 2024/04/06 2024/04/06 Pixley-ka-Seme (NCP) Standard 62 0.84 5 4 3.0 1274.8 1271.8 Analysis
27 2024 Frances Baard Schools Open (U15) 2024/02/03 2024/02/03 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1253.9 1245.9 Analysis
26 HSDA School Open 2024 (U16-Open) 2024/01/27 2024/01/27 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1244.2 1231.1 Analysis
25 Hopetown Chess Open Tournament 2023 (U14-U18) 2023/08/05 2023/08/05 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 3.0 1236.0 1218.9 Analysis
24 Inter Regional Chess Championship 2023 (U16) 2023/05/19 2023/05/20 Mangaung (FMB) Standard 62 0.84 5 5 3.0 1265.0 1254.5 Analysis
23 Hopetown School Chess Open Tournament 2023 (U15) 2023/05/06 2023/05/06 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 2.0 1265.0 1254.5 Analysis
22 Hopetown Schools Chess Open Tournament 2023 (U15) 2023/02/25 2023/02/25 John Taolo Gaetswewe (NCJ) Standard 62 0.84 5 4 1.0 1308.5 1306.7 Analysis
21 Pixley Chess Trials 2022 (U14) 2022/09/03 2022/09/03 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 3.0 1308.8 1303.5 Analysis
20 Kimberley Chess Club Development Tournament 2022 (E) 2022/08/20 2022/08/20 Frances Baard (NCF) Standard 62 0.84 5 5 3.5 1291.9 1280.5 Analysis
19 Hopetown Chess Club Open Tournament 2022 (U13+U15) 2022/05/14 2022/05/14 John Taolo Gaetswewe (NCJ) Standard 62 0.84 5 5 2.0 1342.7 1341.7 Analysis
18 Kimberley Chess Club Open 2022 (U7-U13) 2022/04/30 2022/04/30 Frances Baard (NCF) Standard 62 0.84 5 5 5.0 1232.4 1235.8 Analysis
17 Northern Cape Schools Chess Provincial Eliminations 2021 (Boys) 2021/11/05 2021/11/05 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1213.0 1216.7 Analysis
16 Pixley Trial 1 2022 (A) 2021/10/30 2021/10/30 Pixley-ka-Seme (NCP) Standard 62 0.84 5 5 3.0 1175.0 1170.6 Analysis
15 Pixley Schools Summer Games Eliminations 2021 2021/10/14 2021/10/14 Pixley-ka-Seme (NCP) Standard 60 0.83 5 5 2.5 1175.0 1170.6 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 44 23 2 19 24.0 54.5 38.6 1241.5 1280.2
White 24 12 2 10 13.0 54.2 35.4 1241.0 1276.4
Black 20 11 0 9 11.0 55.0 42.5 1242.2 1284.7
Standard All 44 23 2 19 24.0 54.5 38.6 1241.5 1280.2
White 24 12 2 10 13.0 54.2 35.4 1241.0 1276.4
Black 20 11 0 9 11.0 55.0 42.5 1242.2 1284.7
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 171 90 8 73 94.0 55.0 42.3 1168.8 1211.1
White 88 47 4 37 49.0 55.7 48.3 1163.1 1211.4
Black 83 43 4 36 45.0 54.2 35.8 1174.9 1210.8
Standard All 171 90 8 73 94.0 55.0 42.3 1168.8 1211.1
White 88 47 4 37 49.0 55.7 48.3 1163.1 1211.4
Black 83 43 4 36 45.0 54.2 35.8 1174.9 1210.8
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 108084931 May, AD (Alrique Dominic) 8 0.0 0 0 8 0.0 1206.8 -425.0 781.8 View list
2 1100116593 Bissett, C (Chris) 4 2.0 2 0 3 50.0 1261.0 0.0 1261.0 View list
3 108084930 Kitengye, PE (Patrick Ebondo) 4 1.0 1 0 3 25.0 1252.3 -212.5 1039.8 View list
4 2100141401 Sinigisi, EM (Emihle Malebo) 4 1.0 1 0 3 25.0 1278.4 -212.5 1065.9 View list
5 2110105341 Botha, A (Ane) 3 3.0 3 0 0 100.0 1170.3 425.0 1595.3 View list
6 1080108222 Lekhwi, A (Azania) 3 3.0 3 0 0 100.0 1163.0 425.0 1588.0 View list
7 1080145177 Nango, E (Ethan) 3 3.0 3 0 0 100.0 1264.3 425.0 1689.3 View list
8 1100119942 Kanjee, K (Khiyaan) 3 2.0 2 0 1 66.7 1288.1 141.7 1429.8 View list
9 1090191656 Naude, L (Leonard) 3 2.0 2 0 1 66.7 1257.6 141.7 1399.3 View list
10 1090111409 Groenewaldt, O (Orren) 3 1.0 1 0 2 33.3 1186.1 -141.7 1044.5 View list
11 108084924 Madyo, M (Mbuyiselo) 3 1.0 1 0 2 33.3 1308.0 -141.7 1166.3 View list
12 107083673 Meza, T (Tiisetso) 3 1.0 1 0 2 33.3 1145.7 -141.7 1004.1 View list
13 108084928 Mvenya, ZL (Zizinwe Libhongo) 3 1.0 1 0 2 33.3 1254.8 -141.7 1113.1 View list
14 1100146489 Struis, J (Jethro) 3 1.0 1 0 2 33.3 1304.2 -141.7 1162.5 View list
15 1100108218 Murphy, M (Migael) 3 0.5 0 1 2 16.7 1219.6 -283.3 936.3 View list
16 107050311 Daniels, O (Owethu) 3 0.0 0 0 3 0.0 1145.7 -425.0 720.7 View list
17 1100141144 Boucher, R (Ryann) 2 2.0 2 0 0 100.0 1318.9 425.0 1743.9 View list
18 1080105349 De Bruyn, D (Dian) 2 2.0 2 0 0 100.0 1172.7 425.0 1597.7 View list
19 2090106805 Mosoeu, O (Olerato) 2 2.0 2 0 0 100.0 1172.7 425.0 1597.7 View list
20 1090307729 Muritz, K (Kezandrio) 2 2.0 2 0 0 100.0 1318.9 425.0 1743.9 View list