Player Page

Visser, J (Jacob)
Dob: 2005/12/30 (U20)
Gender: Male
Chess SA id: 1050137642
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/03/22 (170 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 rating1263.0
Current Weighted rating1221.2
Current Weighted performance1199.0
Current official/published rating (highest between Raw, WR and WP)1263.0
Current highest rating achieved1263.0
Current floor (min rating allowed)763.0
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)±151.6
Current Raw change used (final)0.0
Projected new Raw rating1263.0
Projected new Weighed rating1125.1
Projected new Weighted performance1199.0
Projected new final Raw rating (if new WP > new Raw)1263.0
Projected new highest rating1263.0
Projected new floor763.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1263.0
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 rating1279.8
Current Weighted rating1223.6
Current Weighted performance1194.1
Current official/published rating (highest between Raw, WR and WP)1279.8
Current highest rating achieved1279.8
Current floor (min rating allowed)779.8
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)±148.0
Current Raw change used (final)0.0
Projected new Raw rating1279.8
Projected new Weighed rating1127.7
Projected new Weighted performance1194.1
Projected new final Raw rating (if new WP > new Raw)1279.8
Projected new highest rating1279.8
Projected new floor779.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1279.8
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 rating1156.4
Current Weighted rating1163.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1163.8
Current highest rating achieved1179.2
Current floor (min rating allowed)679.2
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)±176.4
Current Raw change used (final)0.0
Projected new Raw rating1156.4
Projected new Weighed rating1070.3
Projected new Weighted performance783.5
Projected new final Raw rating (if new WP > new Raw)1156.4
Projected new highest rating1179.2
Projected new floor679.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1156.4
Projected effective change (new Official - current Official)-7.4
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
3 Western Cape HS Individuals Championship 2024 (U20 Boys+Girls) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 3.5 1196.7 1202.4 Analysis
2 Cape Winelands Schools - Prestige 2024 (U20 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 3.5 1196.7 1202.4 Analysis
1 Cape Winelands Schools - HS Trials 1 2024 (U20 Boys+Girls) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 2.5 1207.4 1166.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
11 Western Cape HS Individuals Championship 2024 (U20 Boys+Girls) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 3.5 1196.7 1202.4 Analysis
10 Cape Winelands Schools - Prestige 2024 (U20 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 3.5 1196.7 1202.4 Analysis
9 Cape Winelands Schools - HS Trials 1 2024 (U20 Boys+Girls) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 2.5 1207.4 1166.4 Analysis
8 Paarl Boys High Chess Festival 2023 (2nd Division) 2023/10/13 2023/10/14 Cape Winelands (WCW) Standard 60 0.83 6 6 4.0 1172.7 1150.4 Analysis
7 CW Top Schools 2023 (U18 Mix) 2023/08/26 2023/08/26 Cape Winelands (WCW) Rapid 32 0.63 5 5 2.5 1167.9 1179.2 Analysis
6 Western Cape HS Individuals 2023 (U19 Boys) 2023/04/01 2023/04/02 Cape Town (WCT) Standard 60 0.83 6 6 1.5 1204.4 1199.6 Analysis
5 Cape Winelands Schools Prestige 2023 (U19 Boys) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1180.2 1181.2 Analysis
4 Cape Winelands Schools Chess - Trials 1 2023 (U19 Boys) 2023/02/25 2023/02/25 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1152.6 1148.4 Analysis
3 Ceres Open 2022 (B) 2022/04/23 2022/04/23 Cape Winelands (WCW) Standard 65 0.85 6 6 2.5 1169.6 1171.2 Analysis
2 Cape Winelands Schools 2022 (U18 Boys) 2022/03/05 2022/03/05 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1188.2 1200.0 Analysis
1 Worcester Schools Trials 2022 (U18 Boys) 2022/02/19 2022/02/19 Cape Winelands (WCW) Rapid 30 0.60 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 17 8 3 6 9.5 55.9 50.0 1240.9 1290.9
White 9 5 2 2 6.0 66.7 141.7 1222.5 1364.2
Black 8 3 1 4 3.5 43.8 -53.1 1261.6 1208.4
Standard All 11 6 2 3 7.0 63.6 115.9 1255.8 1371.7
White 6 3 2 1 4.0 66.7 141.7 1234.0 1375.7
Black 5 3 0 2 3.0 60.0 85.0 1281.8 1366.8
Rapid All 6 2 1 3 2.5 41.7 -70.8 1213.6 1142.8
White 3 2 0 1 2.0 66.7 141.7 1199.5 1341.2
Black 3 0 1 2 0.5 16.7 -283.3 1227.7 944.4
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 60 26 8 26 30.0 50.0 0.0 1214.6 1214.6
White 31 16 3 12 17.5 56.5 54.8 1206.7 1261.5
Black 29 10 5 14 12.5 43.1 -58.6 1223.0 1164.4
Standard All 44 20 6 18 23.0 52.3 19.3 1218.8 1238.1
White 24 11 3 10 12.5 52.1 17.7 1211.6 1229.3
Black 20 9 3 8 10.5 52.5 21.3 1227.4 1248.7
Rapid All 16 6 2 8 7.0 43.8 -53.1 1203.0 1149.9
White 7 5 0 2 5.0 71.4 182.1 1189.8 1371.9
Black 9 1 2 6 2.0 22.2 -236.1 1213.3 977.2
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 1050161493 Janse Van Vuuren, K (Keagan) 3 2.5 2 1 0 83.3 1200.3 283.3 1483.6 View list
2 1050151331 Maunga, W (Wayne) 3 0.0 0 0 3 0.0 1185.6 -425.0 760.6 View list
3 105072648 Snyman, A (Alex) 3 0.0 0 0 3 0.0 1197.3 -425.0 772.3 View list
4 1050161492 Cloete, R (Roode) 2 2.0 2 0 0 100.0 1202.1 425.0 1627.1 View list
5 1050192782 Kotze, I (Izak) 2 1.5 1 1 0 75.0 1202.1 212.5 1414.6 View list
6 1050096516 Cronje, Z (Zander) 2 0.0 0 0 2 0.0 1174.1 -425.0 749.1 View list
7 1080137508 Khati, A (Abokwe) 1 1.0 1 0 0 100.0 1172.7 425.0 1597.7 View list
8 105046625 De Wet, WJ (Wouter) 1 1.0 1 0 0 100.0 1180.2 425.0 1605.2 View list
9 1060133461 De Koker, D (Dillan) 1 1.0 1 0 0 100.0 1188.2 425.0 1613.2 View list
10 108087035 Adam, R (Ryan) 1 1.0 1 0 0 100.0 1172.7 425.0 1597.7 View list
11 2090117669 Jacobs, K (Keesha) 1 1.0 1 0 0 100.0 1169.6 425.0 1594.6 View list
12 105060800 Beukes, JC (Jaeden) 1 1.0 1 0 0 100.0 1180.2 425.0 1605.2 View list
13 1050137632 Le Roux, Z (Zabur) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1060152229 Mabamba, S (Sibulele) 1 1.0 1 0 0 100.0 1196.7 425.0 1621.7 View list
15 1080151257 Mofokeng, B (Bokang Gift Phoka) 1 1.0 1 0 0 100.0 1167.9 425.0 1592.9 View list
16 106084224 Mootsi, S (Seemo) 1 1.0 1 0 0 100.0 1167.9 425.0 1592.9 View list
17 1100139441 Mqolo, A (Awonke) 1 1.0 1 0 0 100.0 1169.6 425.0 1594.6 View list
18 1050137637 Patoshie, B (Bradley) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 1050108685 Sauls, J (Jubelian) 1 1.0 1 0 0 100.0 1152.6 425.0 1577.6 View list
20 1070151313 Share, C (Charles) 1 1.0 1 0 0 100.0 1172.7 425.0 1597.7 View list