Player Page

Van Der Walt, J (Jacobus Harm)
Dob: 1963/03/19 (Adult)
Gender: Male
Chess SA id: 1630300184
FIDE id:
Region: Dr Kenneth Kaunda (NWP)
Citizen: RSA
Title(s):
Last active: 2024/10/12 (40 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 rating1256.4
Current Weighted rating1230.7
Current Weighted performance1201.7
Current official/published rating (highest between Raw, WR and WP)1256.4
Current highest rating achieved1288.1
Current floor (min rating allowed)788.1
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)±153.0
Current Raw change used (final)0.0
Projected new Raw rating1256.4
Projected new Weighed rating1133.3
Projected new Weighted performance1201.7
Projected new final Raw rating (if new WP > new Raw)1256.4
Projected new highest rating1288.1
Projected new floor788.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1256.4
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 rating1259.3
Current Weighted rating1234.5
Current Weighted performance1201.7
Current official/published rating (highest between Raw, WR and WP)1259.3
Current highest rating achieved1298.9
Current floor (min rating allowed)798.9
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)±152.4
Current Raw change used (final)0.0
Projected new Raw rating1259.3
Projected new Weighed rating1136.9
Projected new Weighted performance1201.7
Projected new final Raw rating (if new WP > new Raw)1259.3
Projected new highest rating1298.9
Projected new floor798.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1259.3
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
6 DR KKD Trails 2 2024 (Open) 2024/10/12 2024/10/12 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 0.0 1288.1 1298.9 Analysis
5 DR KKD Mooirivier Trials 2024 (Open) 2024/09/14 2024/09/14 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 1.0 1265.2 1275.1 Analysis
4 DR KKD Curro Agegroup 2024 (Open) 2024/08/31 2024/08/31 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 1265.2 1275.1 Analysis
3 DR KK Gimmies 2024 (C) 2024/07/13 2024/07/13 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.0 1219.5 1219.3 Analysis
2 DR KKD Saamtrek 2024 (Open) 2024/06/08 2024/06/08 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 0.5 1249.1 1256.4 Analysis
1 DR KKD Ferdies Mar 2024 (B) 2024/03/02 2024/03/02 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 DR KKD Trails 2 2024 (Open) 2024/10/12 2024/10/12 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 0.0 1288.1 1298.9 Analysis
5 DR KKD Mooirivier Trials 2024 (Open) 2024/09/14 2024/09/14 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 1.0 1265.2 1275.1 Analysis
4 DR KKD Curro Agegroup 2024 (Open) 2024/08/31 2024/08/31 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 1265.2 1275.1 Analysis
3 DR KK Gimmies 2024 (C) 2024/07/13 2024/07/13 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.0 1219.5 1219.3 Analysis
2 DR KKD Saamtrek 2024 (Open) 2024/06/08 2024/06/08 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 0.5 1249.1 1256.4 Analysis
1 DR KKD Ferdies Mar 2024 (B) 2024/03/02 2024/03/02 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 27 11 2 14 12.0 44.4 -47.2 1350.2 1303.0
White 15 5 1 9 5.5 36.7 -113.3 1373.7 1260.4
Black 12 6 1 5 6.5 54.2 35.4 1320.7 1356.1
Standard All 27 11 2 14 12.0 44.4 -47.2 1350.2 1303.0
White 15 5 1 9 5.5 36.7 -113.3 1373.7 1260.4
Black 12 6 1 5 6.5 54.2 35.4 1320.7 1356.1
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 27 11 2 14 12.0 44.4 -47.2 1350.2 1303.0
White 15 5 1 9 5.5 36.7 -113.3 1373.7 1260.4
Black 12 6 1 5 6.5 54.2 35.4 1320.7 1356.1
Standard All 27 11 2 14 12.0 44.4 -47.2 1350.2 1303.0
White 15 5 1 9 5.5 36.7 -113.3 1373.7 1260.4
Black 12 6 1 5 6.5 54.2 35.4 1320.7 1356.1
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 1940106075 Choeu, K (Kagisho) 3 0.0 0 0 3 0.0 1267.5 -425.0 842.5 View list
2 162027530 Ngubeni, JM (Jackie) 2 0.0 0 0 2 0.0 1276.7 -425.0 851.7 View list
3 193071900 Mtiyane, T (Tyson) 2 0.0 0 0 2 0.0 1276.7 -425.0 851.7 View list
4 109064023 Fouche, H (Heinrich) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 207052763 Ellis, CE (Catherine) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1120300195 Bekker, E (Eliah) 1 1.0 1 0 0 100.0 1219.5 425.0 1644.5 View list
7 183017537 Lee, PO (Phillip) 1 1.0 1 0 0 100.0 1265.2 425.0 1690.2 View list
8 1990192477 Kock, H (Hendrik) 1 1.0 1 0 0 100.0 1265.2 425.0 1690.2 View list
9 2120154528 Havenga, C (Carmie) 1 1.0 1 0 0 100.0 1219.5 425.0 1644.5 View list
10 1120156847 Greeff, S (Sean) 1 1.0 1 0 0 100.0 1219.5 425.0 1644.5 View list
11 101090742 Mabe, S (Sicelo) 1 1.0 1 0 0 100.0 1265.2 425.0 1690.2 View list
12 2050152127 Montwedi, Z (Zenzi) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 105035097 Smit, A (Albert) 1 1.0 1 0 0 100.0 1265.2 425.0 1690.2 View list
14 1120157787 Van Rheede Van Oudts, C (Conrad) 1 1.0 1 0 0 100.0 1219.5 425.0 1644.5 View list
15 1060097234 Shole, B (Boitshepo) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
16 1660300185 Venter, H (Henk) 1 0.5 0 1 0 50.0 1249.1 0.0 1249.1 View list
17 100039902 Van Heerden, DM (Diego) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 1100107186 Stols, N (Nathan) 1 0.0 0 0 1 0.0 1249.1 -425.0 824.1 View list
19 105091969 Siyanda, M (Mahlalele) 1 0.0 0 0 1 0.0 1249.1 -425.0 824.1 View list
20 1080113085 Mostert, CF (Christiaan ) 1 0.0 0 0 1 0.0 1219.5 -425.0 794.5 View list