Player Page

Jantjies, J (Jason)
Dob: 1988/07/20 (Adult)
Gender: Male
Chess SA id: 188013950
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2023/11/11 (176 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 rating1404.0
Curent Weighted rating1394.1
Curent Weighted performance1205.7
Current official/published rating (highest between Raw, WR and WP)1404.0
Current floor (min rating allowed)904.0
Current highest rating achieved1404.0
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)±124.0
Current Raw change used (final)0.0
Projected new Raw rating1404.0
Projected new Weighed rating1395.5
Projected new Weighted performance1205.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1404.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1404.0
Projected new floor904.0
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 rating1400.7
Curent Weighted rating1386.5
Curent Weighted performance1197.6
Current official/published rating (highest between Raw, WR and WP)1400.7
Current floor (min rating allowed)900.7
Current highest rating achieved1400.7
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)±124.6
Current Raw change used (final)0.0
Projected new Raw rating1400.7
Projected new Weighed rating1388.2
Projected new Weighted performance1197.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1400.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1400.7
Projected new floor900.7
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 rating1216.6
Curent Weighted rating1210.5
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1216.6
Current floor (min rating allowed)716.6
Current highest rating achieved1216.6
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)±161.9
Current Raw change used (final)0.0
Projected new Raw rating1216.6
Projected new Weighed rating1211.9
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1216.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1216.6
Projected new floor716.6
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 rating1224.3
Curent Weighted rating1224.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1224.3
Current floor (min rating allowed)716.6
Current highest rating achieved1224.3
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)±160.2
Current Raw change used (final)0.0
Projected new Raw rating1224.3
Projected new Weighed rating1224.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1224.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1224.3
Projected new floor716.6
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
15 Eden Chess Union League 2023 (Premier Division) 2023/11/11 2023/11/11 Eden District (WEG) Standard 60 0.83 5 5 4.0 1387.3 1374.8 Analysis
14 George Open 2022 (A) 2022/12/03 2022/12/03 Eden District (WEG) Standard 60 0.83 5 5 2.5 1377.4 1359.7 Analysis
13 VGK 2022 (Rapid Open) 2022/11/12 2022/11/12 Eden District (WEG) Rapid 17 0.42 6 6 4.0 1363.2 1148.4 Analysis
12 VGK 2022 (Blitz) 2022/11/12 2022/11/12 Eden District (WEG) Blitz 5 0.18 6 6 3.0 1363.2 1223.2 Analysis
11 South African Open 2022 (Blitz) 2022/07/14 2022/07/14 Cape Town (WCT) Blitz 5 0.18 10 10 4.0 1358.1 1200.0 Analysis
10 South African Open 2022 (B) 2022/07/09 2022/07/17 Cape Town (WCT) Standard 120 1.00 11 11 6.0 1358.1 1370.5 Analysis
9 George Open 2022 (A) 2022/06/11 2022/06/11 Eden District (WEG) Standard 65 0.85 5 5 2.0 1349.2 1363.7 Analysis
8 Western Cape Club Championships 2021 (A) 2021/10/15 2021/10/17 Eden District (WEG) Standard 65 0.85 6 6 2.5 1342.2 1355.8 Analysis
7 Eden Chess League 2021 (Premier) 2021/08/14 2021/08/15 Eden District (WEG) Standard 90 0.94 5 5 1.0 1372.0 1393.2 Analysis
6 George Open Chess Tournament 2019 (B) 2019/11/30 2019/12/01 Eden District (WEG) Standard 65 0.85 6 6 5.0 1301.3 1311.1 Analysis
5 Mossel Bay Chess Open 2019 (A) 2019/10/04 2019/10/05 Eden District (WEG) Standard 60 0.83 6 6 2.5 1282.8 1301.4 Analysis
4 Eden Chess League 2019 (1st Division) 2019/08/17 2019/08/24 Eden District (WEG) Standard 80 0.91 6 6 5.0 1227.4 1241.6 Analysis
3 Eden Chess League 2018 (2nd Division) 2018/09/01 2018/09/01 Eden District (WEG) Rapid 30 0.60 7 7 3.0 1238.6 1188.0 Analysis
2 Oyster Rapid 2018 2018/07/07 2018/07/07 Eden District (WEG) Rapid 30 0.60 6 6 4.0 1234.5 1200.0 Analysis
1 Western Cape Club Championships 2018 2018/03/16 2018/03/17 Eden District (WEG) Standard 60 0.83 6 5 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 95 48 8 39 52.0 54.7 40.3 1353.7 1393.9
White 49 26 2 21 27.0 55.1 43.4 1345.3 1388.7
Black 46 22 6 18 25.0 54.3 37.0 1362.6 1399.5
Standard All 60 31 6 23 34.0 56.7 56.7 1362.7 1419.3
White 31 16 2 13 17.0 54.8 41.1 1363.8 1405.0
Black 29 15 4 10 17.0 58.6 73.3 1361.4 1434.7
Rapid All 19 10 2 7 11.0 57.9 67.1 1222.8 1289.9
White 10 6 0 4 6.0 60.0 85.0 1196.5 1281.5
Black 9 4 2 3 5.0 55.6 47.2 1252.1 1299.3
Blitz All 16 7 0 9 7.0 43.8 -53.1 1475.4 1422.3
White 8 4 0 4 4.0 50.0 0.0 1459.8 1459.8
Black 8 3 0 5 3.0 37.5 -106.3 1490.9 1384.7
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 178005017 Cloete, R (Ralph) 4 0.0 0 0 4 0.0 1345.3 -425.0 920.3 View list
2 1070097033 Williams, I (Igor) 3 2.0 2 0 1 66.7 1280.7 141.7 1422.4 View list
3 198065504 Jaars, T (Thomas) 3 0.0 0 0 3 0.0 1344.1 -425.0 919.1 View list
4 199036980 Swart, G (George) 3 0.0 0 0 3 0.0 1319.9 -425.0 894.9 View list
5 199007712 Dubee, C (Cheslyn) 2 2.0 2 0 0 100.0 1227.4 425.0 1652.4 View list
6 108072976 Du Plessis, A (Arno) 2 1.5 1 1 0 75.0 1339.3 212.5 1551.8 View list
7 147031319 Quirk, T (Terence) 2 1.5 1 1 0 75.0 1269.9 212.5 1482.4 View list
8 201037041 Swart, S (Sune) 2 1.5 1 1 0 75.0 1321.8 212.5 1534.3 View list
9 107083837 Daniels, R (Reuben) 2 1.0 1 0 1 50.0 1312.5 0.0 1312.5 View list
10 103078196 Campbell, G (Grant) 2 1.0 1 0 1 50.0 1227.4 0.0 1227.4 View list
11 105091176 Meyer, J (Jared) 2 1.0 1 0 1 50.0 1298.8 0.0 1298.8 View list
12 192037054 Swartbooi, G (Gabriel) 2 1.0 1 0 1 50.0 1332.3 0.0 1332.3 View list
13 181084295 Botha, R (Ralph) 2 0.5 0 1 1 25.0 1327.4 -212.5 1114.9 View list
14 186005213 Coetzee, JS (Jurgen) 2 0.0 0 0 2 0.0 1363.3 -425.0 938.3 View list
15 206055118 Ellman, A (Anne-Belle) 1 1.0 1 0 0 100.0 1342.2 425.0 1767.2 View list
16 1110130128 Da Silva, D (Darren) 1 1.0 1 0 0 100.0 1363.2 425.0 1788.2 View list
17 186005214 Coetzee, JS (Justin) 1 1.0 1 0 0 100.0 1349.2 425.0 1774.2 View list
18 198053731 Cloete, JB (Jade Barry) 1 1.0 1 0 0 100.0 1358.1 425.0 1783.1 View list
19 1000099302 Davids, W (Welesley) 1 1.0 1 0 0 100.0 1282.8 425.0 1707.8 View list
20 1080108754 Ahmed, AM (Abdul) 1 1.0 1 0 0 100.0 1358.1 425.0 1783.1 View list