Player Page

Piorek, J (Jake)
Dob: 2012/05/04 (U14)
Gender: Male
Chess SA id: 1120133107
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2023/02/04 (504 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 rating1135.8
Current Weighted rating1133.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1135.8
Current highest rating achieved1167.1
Current floor (min rating allowed)667.1
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)±181.7
Current Raw change used (final)0.0
Projected new Raw rating1135.8
Projected new Weighed rating1043.1
Projected new Weighted performance721.7
Projected new final Raw rating (if new WP > new Raw)1135.8
Projected new highest rating1167.1
Projected new floor667.1
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1135.8
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 rating1092.0
Current Weighted rating1092.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1092.2
Current highest rating achieved1160.4
Current floor (min rating allowed)660.4
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)±193.4
Current Raw change used (final)0.0
Projected new Raw rating1092.0
Projected new Weighed rating1004.6
Projected new Weighted performance510.1
Projected new final Raw rating (if new WP > new Raw)1092.0
Projected new highest rating1160.4
Projected new floor660.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1092.0
Projected effective change (new Official - current Official)-0.2
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 rating1176.8
Current Weighted rating1179.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1179.0
Current highest rating achieved1176.8
Current floor (min rating allowed)676.8
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)±171.4
Current Raw change used (final)0.0
Projected new Raw rating1176.8
Projected new Weighed rating1084.3
Projected new Weighted performance355.1
Projected new final Raw rating (if new WP > new Raw)1176.8
Projected new highest rating1176.8
Projected new floor676.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1176.8
Projected effective change (new Official - current Official)-2.2
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
4 Mzansi Rapid 2023 (Intermediate) 2023/02/04 2023/02/04 Johannesburg Metro (GJM) Rapid 25 0.54 6 6 3.0 1109.0 1200.0 Analysis
3 JMC 2nd Trials 2022 (D) 2022/08/27 2022/08/27 Johannesburg Metro (GJM) Standard 60 0.83 5 3 0.0 1155.5 1147.6 Analysis
2 2022 Gauteng Schools Individual Chess Championship (U11 Boys) 2022/06/18 2022/06/18 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1167.1 1160.4 Analysis
1 The King`s Cup League 2020 (D) 2020/03/07 2020/03/07 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 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 19 5 3 11 6.5 34.2 -134.2 1222.2 1088.0
White 9 2 1 6 2.5 27.8 -188.9 1233.8 1044.9
Black 10 3 2 5 4.0 40.0 -85.0 1211.8 1126.8
Standard All 13 2 3 8 3.5 26.9 -196.2 1192.0 995.9
White 6 1 1 4 1.5 25.0 -212.5 1185.3 972.8
Black 7 1 2 4 2.0 28.6 -182.1 1197.8 1015.7
Rapid All 6 3 0 3 3.0 50.0 0.0 1287.6 1287.6
White 3 1 0 2 1.0 33.3 -141.7 1330.8 1189.1
Black 3 2 0 1 2.0 66.7 141.7 1244.4 1386.1
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 1750149133 Pretorius, L (Lize) 1 1.0 1 0 0 100.0 1109.0 425.0 1534.0 View list
2 1150143251 Makgopa, P (Phenyo) 1 1.0 1 0 0 100.0 1167.1 425.0 1592.1 View list
3 1110133417 Govender, C (Cadin) 1 1.0 1 0 0 100.0 1109.0 425.0 1534.0 View list
4 1120143237 Cloete, K (Kyle) 1 1.0 1 0 0 100.0 1167.1 425.0 1592.1 View list
5 1130149126 Arendse, A (Ajay) 1 1.0 1 0 0 100.0 1109.0 425.0 1534.0 View list
6 1110133099 Basson, Z (Zachariah) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
7 2110113796 Molotsi, MKS (Monei) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
8 2090133108 Radinova, T (Tonya) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
9 1110135845 Tibane, H (Hanyani) 1 0.0 0 0 1 0.0 1167.1 -425.0 742.1 View list
10 1140135557 Thorulsley, K (Kairaav) 1 0.0 0 0 1 0.0 1109.0 -425.0 684.0 View list
11 1130145622 Parag Jugmohan, T (Tejas) 1 0.0 0 0 1 0.0 1155.5 -425.0 730.5 View list
12 2130144302 Naicker, V (Victoria Angelique) 1 0.0 0 0 1 0.0 1155.5 -425.0 730.5 View list
13 1110145617 Moller, L (Luan) 1 0.0 0 0 1 0.0 1155.5 -425.0 730.5 View list
14 1100143249 Letlhogomolo, M (Mtshabeleng) 1 0.0 0 0 1 0.0 1167.1 -425.0 742.1 View list
15 1120133103 Lekhanya, T (Thoriso) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 110091688 Kwak, J (Jaeson) 1 0.0 0 0 1 0.0 1109.0 -425.0 684.0 View list
17 1120143247 Kheswa, T (Themba) 1 0.0 0 0 1 0.0 1167.1 -425.0 742.1 View list
18 1110113809 Joshua, L (Levi) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
19 208071873 Chinoruma, T (Tawana) 1 0.0 0 0 1 0.0 1109.0 -425.0 684.0 View list