Player Page

Botha, J (Jc)
Dob: 2007/11/08 (U18)
Gender: Male
Chess SA id: 1070098898
FIDE id:
Region: Ehlanzeni (MEN)
Citizen: RSA
Title(s):
Last active: 2019/03/09 (1926 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 rating1065.8
Current Weighted rating1065.8
Current Weighted performance312.5
Current official/published rating (highest between Raw, WR and WP)1065.8
Current highest rating achieved1150.9
Current floor (min rating allowed)650.9
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)±200.8
Current Raw change used (final)0.0
Projected new Raw rating1065.8
Projected new Weighed rating980.5
Projected new Weighted performance312.5
Projected new final Raw rating (if new WP > new Raw)1065.8
Projected new highest rating1150.9
Projected new floor650.9
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1065.8
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 rating1047.2
Current Weighted rating1047.2
Current Weighted performance312.5
Current official/published rating (highest between Raw, WR and WP)1047.2
Current highest rating achieved1141.6
Current floor (min rating allowed)641.6
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)±206.1
Current Raw change used (final)0.0
Projected new Raw rating1047.2
Projected new Weighed rating963.4
Projected new Weighted performance312.5
Projected new final Raw rating (if new WP > new Raw)1047.2
Projected new highest rating1141.6
Projected new floor641.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1047.2
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 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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Uplands Open Age 2019 (U14) 2019/03/09 2019/03/09 Ehlanzeni (MEN) Standard 63 0.84 5 4 1.0 1080.6 1061.6 Analysis
5 Penryn Age Open 2019 (U14) 2019/02/09 2019/02/09 Ehlanzeni (MEN) Standard 63 0.84 5 4 1.0 1119.6 1106.0 Analysis
4 Chess Unlimited Open 2019 (D) 2019/01/26 2019/01/26 Ehlanzeni (MEN) Standard 60 0.83 5 5 3.0 1112.6 1095.6 Analysis
3 Lowveld Open 2018 (E) 2018/07/28 2018/07/28 Ehlanzeni (MEN) Standard 63 0.84 5 5 2.0 1138.8 1128.0 Analysis
2 Penryn Age Open 2018 (U12 Boys) 2018/04/21 2018/04/21 Ehlanzeni (MEN) Standard 63 0.84 5 5 2.0 1150.9 1141.6 Analysis
1 Rob Ferreira Hoerskool Open 2018 (C) 2018/03/17 2018/03/17 Ehlanzeni (MEN) Standard 63 0.84 5 5 1.0 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 28 10 0 18 10.0 35.7 -121.4 1128.9 1007.5
White 14 4 0 10 4.0 28.6 -182.1 1110.4 928.2
Black 14 6 0 8 6.0 42.9 -60.7 1147.4 1086.7
Standard All 28 10 0 18 10.0 35.7 -121.4 1128.9 1007.5
White 14 4 0 10 4.0 28.6 -182.1 1110.4 928.2
Black 14 6 0 8 6.0 42.9 -60.7 1147.4 1086.7
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1070100254 Mabasa, N (Nkateko) 2 1.0 1 0 1 50.0 1144.8 0.0 1144.8 View list
2 1070100260 Khoza, S (Sihle) 1 1.0 1 0 0 100.0 1150.9 425.0 1575.9 View list
3 1080098900 Khoza, L (Lungelo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 204080590 Latsky, M (Melissa) 1 1.0 1 0 0 100.0 1112.6 425.0 1537.6 View list
5 2070109319 Martin, E (Emilia) 1 1.0 1 0 0 100.0 1119.6 425.0 1544.6 View list
6 1020108275 Pitout, K (Kobus) 1 1.0 1 0 0 100.0 1112.6 425.0 1537.6 View list
7 1070111007 Mhanga, M (Mpilo) 1 1.0 1 0 0 100.0 1080.6 425.0 1505.6 View list
8 1050100265 Steyn, C (Christopher) 1 1.0 1 0 0 100.0 1138.8 425.0 1563.8 View list
9 1050101685 Tom, ME (Mynyaradzi Eddie) 1 1.0 1 0 0 100.0 1138.8 425.0 1563.8 View list
10 1100108276 Van Der Merwe, H (Hanru) 1 1.0 1 0 0 100.0 1112.6 425.0 1537.6 View list
11 1040100275 Mathebula, C (Cyril-Junior) 1 0.0 0 0 1 0.0 1112.6 -425.0 687.6 View list
12 2070110791 Pilot, N (Nikita) 1 0.0 0 0 1 0.0 1080.6 -425.0 655.6 View list
13 1080098229 Phiri, J (Jasper) 1 0.0 0 0 1 0.0 1150.9 -425.0 725.9 View list
14 2040101694 Park, K (Katy) 1 0.0 0 0 1 0.0 1138.8 -425.0 713.8 View list
15 1080097894 Nkosi, S (Siyabonga) 1 0.0 0 0 1 0.0 1138.8 -425.0 713.8 View list
16 1080097903 Nkosi, S (Siphesihle) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 1070097886 Ndlala, N (Ndumiso) 1 0.0 0 0 1 0.0 1150.9 -425.0 725.9 View list
18 1060111006 Mhlanga, B (Bheki) 1 0.0 0 0 1 0.0 1080.6 -425.0 655.6 View list
19 1060110774 Mabunda, M (Mizi) 1 0.0 0 0 1 0.0 1080.6 -425.0 655.6 View list
20 1070098257 Khoza, S (Sizwe) 1 0.0 0 0 1 0.0 1150.9 -425.0 725.9 View list