Player Page

Visser, K (Katie)
Dob: 2011/09/28 (U14)
Gender: Female
Chess SA id: 2110132441
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/06/08 (12 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 rating1345.8
Current Weighted rating1295.7
Current Weighted performance1325.1
Current official/published rating (highest between Raw, WR and WP)1345.8
Current highest rating achieved1345.8
Current floor (min rating allowed)845.8
Current K-factor36
Games played this month4
Score (S)1.0
Expected score (We)1.87
Difference (S-We)-0.52
Current Raw change (no limits, including tournament time weight)-18.8
Current min/max change allowed (with limits)±134.7
Current Raw change used (final)-18.8
Projected new Raw rating1327.0
Projected new Weighed rating1192.2
Projected new Weighted performance1269.1
Projected new final Raw rating (if new WP > new Raw)1327.0
Projected new highest rating1345.8
Projected new floor845.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1327.0
Projected effective change (new Official - current Official)-18.8
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 rating1326.4
Current Weighted rating1288.6
Current Weighted performance1294.9
Current official/published rating (highest between Raw, WR and WP)1326.4
Current highest rating achieved1326.4
Current floor (min rating allowed)826.4
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)±138.5
Current Raw change used (final)0.0
Projected new Raw rating1326.4
Projected new Weighed rating1186.0
Projected new Weighted performance1294.9
Projected new final Raw rating (if new WP > new Raw)1326.4
Projected new highest rating1326.4
Projected new floor826.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1326.4
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 rating1302.0
Current Weighted rating1266.9
Current Weighted performance1031.9
Current official/published rating (highest between Raw, WR and WP)1302.0
Current highest rating achieved1302.0
Current floor (min rating allowed)802.0
Current K-factor36
Games played this month4
Score (S)1.0
Expected score (We)2.13
Difference (S-We)-1.13
Current Raw change (no limits, including tournament time weight)-40.7
Current min/max change allowed (with limits)±143.4
Current Raw change used (final)-40.7
Projected new Raw rating1261.3
Projected new Weighed rating1165.6
Projected new Weighted performance1117.0
Projected new final Raw rating (if new WP > new Raw)1261.3
Projected new highest rating1302.0
Projected new floor802.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1261.3
Projected effective change (new Official - current Official)-40.7
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
Tournament: Western Cape - Kings and Queens 2024 (Girls)
Start: 2024/06/08  End: 2024/06/08  Host: WOS  Type: Rapid   Time: 30  Time weight: 0.60  Rounds: 4
Games: 4  Score: 1.0
Main rating: 1345.8  Rating gain/loss: -18.8
Type rating: 1302.0  Rating gain/loss: -40.7
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Western Cape - Kings and Queens 2024 (Girls) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 30 0.60 5 4 1.0 1345.8 1302.0 Analysis
3 Robertson Strategema Chess May 2024 (U13) 2024/05/11 2024/05/11 Cape Winelands (WCW) Rapid 30 0.60 5 5 4.0 1317.2 1263.8 Analysis
2 Western Cape PS Individuals Championship 2024 (U13 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.5 1317.2 1315.2 Analysis
1 Cape Winelands Schools - Prestige 2024 (U13 Girls) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1287.9 1287.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
18 Western Cape - Kings and Queens 2024 (Girls) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 30 0.60 5 4 1.0 1345.8 1302.0 Analysis
17 Robertson Strategema Chess May 2024 (U13) 2024/05/11 2024/05/11 Cape Winelands (WCW) Rapid 30 0.60 5 5 4.0 1317.2 1263.8 Analysis
16 Western Cape PS Individuals Championship 2024 (U13 Girls) 2024/05/04 2024/05/05 West Coast (WCU) Standard 60 0.83 6 6 3.5 1317.2 1315.2 Analysis
15 Cape Winelands Schools - Prestige 2024 (U13 Girls) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1287.9 1287.1 Analysis
14 Robertson Chess Tournament Oct 2023 (U13) 2023/10/28 2023/10/28 Cape Winelands (WCW) Standard 60 0.83 5 5 3.5 1258.3 1246.1 Analysis
13 Cape Winelands Open 2023 (U14) 2023/07/23 2023/07/23 Cape Winelands (WCW) Standard 70 0.87 5 5 1.0 1311.9 1307.3 Analysis
12 Strategema 2023 (U11+U13) 2023/05/13 2023/05/13 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1281.4 1269.9 Analysis
11 Western Cape PS Individuals 2023 (U13 Girls) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1281.4 1269.9 Analysis
10 Cape Winelands Schools Prestige 2023 (U13 Girls) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1299.0 1287.9 Analysis
9 Cape Winelands Schools Chess - Trials 1 2023 (U13 Girls) 2023/02/18 2023/02/18 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1302.9 1285.0 Analysis
8 Robertson Strategema Club 2022 (U13) 2022/10/29 2022/10/29 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1299.9 1278.9 Analysis
7 Strategema 2022 (U13) 2022/09/10 2022/09/10 Cape Winelands (WCW) Standard 60 0.83 5 5 3.5 1283.2 1253.0 Analysis
6 Western Cape Schools 2022 (U11 Girls) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 6 4.0 1234.2 1201.2 Analysis
5 Strategema Chess Festival 2022 (U11 Girls) 2022/05/14 2022/05/14 Cape Winelands (WCW) Rapid 30 0.60 5 5 3.0 1234.2 1259.8 Analysis
4 McGregor Kings Chess Festival 2022 (U11) 2022/04/09 2022/04/09 Cape Winelands (WCW) Rapid 30 0.60 5 5 3.0 1216.1 1234.6 Analysis
3 Cape Winelands Schools 2022 (U11 Girls) 2022/03/12 2022/03/12 Cape Winelands (WCW) Standard 60 0.83 5 5 2.5 1218.2 1200.0 Analysis
2 Robertson Chess 2020 (U9) 2020/03/07 2020/03/07 Cape Winelands (WCW) Rapid 30 0.60 5 5 3.0 1210.6 1218.8 Analysis
1 Cape Winelands Schools Trials 1 2020 (U9 Girls) 2020/02/08 2020/02/08 Cape Winelands (WCW) Rapid 30 0.60 6 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 20 12 1 7 12.5 62.5 106.3 1261.6 1367.8
White 10 6 0 4 6.0 60.0 85.0 1277.1 1362.1
Black 10 6 1 3 6.5 65.0 127.5 1246.1 1373.6
Standard All 11 7 1 3 7.5 68.2 154.5 1265.4 1420.0
White 6 3 0 3 3.0 50.0 0.0 1296.0 1296.0
Black 5 4 1 0 4.5 90.0 340.0 1228.7 1568.7
Rapid All 9 5 0 4 5.0 55.6 47.2 1256.9 1304.1
White 4 3 0 1 3.0 75.0 212.5 1248.7 1461.2
Black 5 2 0 3 2.0 40.0 -85.0 1263.5 1178.5
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 92 51 4 37 53.0 57.6 64.7 1250.4 1315.1
White 46 27 1 18 27.5 59.8 83.2 1244.0 1327.1
Black 46 24 3 19 25.5 55.4 46.2 1256.9 1303.1
Standard All 63 34 4 25 36.0 57.1 60.7 1261.5 1322.2
White 32 17 1 14 17.5 54.7 39.8 1260.1 1300.0
Black 31 17 3 11 18.5 59.7 82.3 1262.9 1345.2
Rapid All 29 17 0 12 17.0 58.6 73.3 1226.3 1299.6
White 14 10 0 4 10.0 71.4 182.1 1207.0 1389.2
Black 15 7 0 8 7.0 46.7 -28.3 1244.3 1216.0
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 2110119366 Kirchner, M (Miya) 3 1.0 1 0 2 33.3 1249.2 -141.7 1107.6 View list
2 2110147471 Thorpe, C (Claire) 3 0.0 0 0 3 0.0 1319.2 -425.0 894.2 View list
3 2110104286 Viljoen, L (Lienka) 3 0.0 0 0 3 0.0 1250.8 -425.0 825.8 View list
4 1110137706 Eyssen, M (Marchiano) 2 2.0 2 0 0 100.0 1258.0 425.0 1683.0 View list
5 2120111379 Coetzee, C (Carli) 2 2.0 2 0 0 100.0 1284.7 425.0 1709.7 View list
6 2110137593 Coetzee, A (Alexia) 2 1.5 1 1 0 75.0 1253.1 212.5 1465.6 View list
7 2100132317 Dyers, K (Kay) 2 1.0 1 0 1 50.0 1278.7 0.0 1278.7 View list
8 1110139703 Cupido, D (Dante) 2 1.0 1 0 1 50.0 1249.7 0.0 1249.7 View list
9 2100137701 Landsman, M (Mikayla Jemelia Abigail) 2 1.0 1 0 1 50.0 1301.0 0.0 1301.0 View list
10 2100142359 Reynard, R (Ree-Shaan) 2 1.0 1 0 1 50.0 1279.1 0.0 1279.1 View list
11 1100158355 Stevens, W (Wildeno) 2 1.0 1 0 1 50.0 1285.1 0.0 1285.1 View list
12 2100119371 Van Deventer, L (Lia) 2 0.5 0 1 1 25.0 1282.3 -212.5 1069.8 View list
13 2110108732 Cupido, C (Caylah) 2 0.0 0 0 2 0.0 1308.1 -425.0 883.1 View list
14 2110131778 Kleynhans, C (Caylen) 2 0.0 0 0 2 0.0 1299.3 -425.0 874.3 View list
15 2120112287 Lukas, J (Janeva) 2 0.0 0 0 2 0.0 1213.3 -425.0 788.3 View list
16 2100149804 Bothman, J (Jonick) 1 1.0 1 0 0 100.0 1302.9 425.0 1727.9 View list
17 2120150463 Barnard, M (Maxine) 1 1.0 1 0 0 100.0 1317.2 425.0 1742.2 View list
18 1130139478 Barends, R (Reece) 1 1.0 1 0 0 100.0 1281.4 425.0 1706.4 View list
19 1120192824 Brits, J (Jayden) 1 1.0 1 0 0 100.0 1317.2 425.0 1742.2 View list
20 2110139162 Briesies, S (Shiante) 1 1.0 1 0 0 100.0 1281.4 425.0 1706.4 View list