TOURNAMENT DETAILS
The Nautilus Chess Tournament 2026 (U15 Boys)
| # | Chess SA id | FIDE id | Name | Region | Rating | Games | Score | % | Dp | Aor | Perform | We | Swe | Rat+/- |
| 1 | 1110118934 | Boshoff, M (Matthew) | Cape Winelands (WCW) | 1205.2 | 6 | 2 | 33.3 | -141.7 | 1198.3 | 1056.6 | 3.05 | -1.05 | -20.5 | |
| 2 | 1120316225 | Geers, R (Ruben) | Cape Winelands (WCW) | 1122.7 | 6 | 0 | 0 | -425 | 1168.4 | 743.4 | 2.68 | -2.68 | -58.3 | |
| 3 | 1110315102 | Gilfillan, C (Caiden) | Cape Winelands (WCW) | 1204.7 | 6 | 4 | 66.7 | 141.7 | 1388.9 | 1530.6 | 1.8 | 2.2 | 43.1 | |
| 4 | 1120150398 | He, Z (Zonghan) | Cape Town (WCT) | 1401.1 | 6 | 3.5 | 58.3 | 70.8 | 1303.2 | 1374 | 3.68 | -0.18 | -3.2 | |
| 5 | 1120149753 | Holmes, M (Matthew) | Cape Winelands (WCW) | 1509.3 | 6 | 5 | 83.3 | 283.3 | 1264.4 | 1547.7 | 4.42 | 0.58 | 10.1 | |
| 6 | 1120309970 | Myburgh, C (Christoff) | Cape Winelands (WCW) | 1250.5 | 6 | 2 | 33.3 | -141.7 | 1314.8 | 1173.1 | 2.51 | -0.51 | -9.9 | |
| 7 | 1120346295 | Ndamase, A (Ayazingca) | Cape Winelands (WCW) | 800 | 6 | 3 | 50 | 0 | 1261.5 | 1261.5 | 0.58 | 2.42 | 52.5 | |
| 8 | 1120192843 | Neethling, C (Christiaan) | Cape Winelands (WCW) | 1218.6 | 6 | 3 | 50 | 0 | 1169.7 | 1169.7 | 3.34 | -0.34 | -6.7 | |
| 9 | 1120156908 | Paulse, B (Breyton) | Cape Winelands (WCW) | 1245.9 | 6 | 2 | 33.3 | -141.7 | 1113.9 | 972.2 | 3.77 | -1.77 | -34.7 | |
| 10 | 1120153065 | Pienaar, C (Christoff) | Cape Winelands (WCW) | 1294.2 | 6 | 2 | 33.3 | -141.7 | 1216.6 | 1074.9 | 3.42 | -1.42 | -27.8 | |
| 11 | 1120118021 | Potgieter, L (Lian) | Cape Winelands (WCW) | 1269.3 | 6 | 3.5 | 58.3 | 70.8 | 1349.5 | 1420.3 | 2.44 | 1.06 | 20.7 | |
| 12 | 1110154629 | Roux, C (Charl) | Cape Winelands (WCW) | 1491.6 | 6 | 3.5 | 58.3 | 70.8 | 1380.3 | 1451.1 | 3.69 | -0.19 | -3.4 | |
| 13 | 1120346296 | Taljaard, L (Liam) | Cape Winelands (WCW) | 800 | 6 | 1.5 | 25 | -212.5 | 1164.9 | 952.4 | 0.69 | 0.81 | 17.6 | |
| 14 | 1110326587 | Tisana, K (Kwazokuhle) | Cape Winelands (WCW) | 1410.9 | 6 | 4 | 66.7 | 141.7 | 1205.1 | 1346.8 | 4.26 | -0.26 | -4.6 | |
| 15 | 1120316252 | van der Merwe, S (Stefan) | Cape Winelands (WCW) | 1469 | 6 | 4.5 | 75 | 212.5 | 1254.4 | 1466.9 | 4.26 | 0.24 | 4.2 | |
| 16 | 1110152923 | Van Zyl, M (Martin) | Cape Town (WCT) | 1107.3 | 6 | 3 | 50 | 0 | 1369 | 1369 | 1.17 | 1.83 | 35.8 | |
| 17 | 1110149801 | Vanana, L (Libongile) | Cape Winelands (WCW) | 1662.7 | 6 | 5.5 | 91.7 | 354.2 | 1365.7 | 1719.9 | 5.05 | 0.45 | 6.9 | |
| 18 | 1120119351 | Viljoen, C (Charlie) | Cape Winelands (WCW) | 1191.4 | 6 | 2 | 33.3 | -141.7 | 1165.6 | 1023.9 | 3.18 | -1.18 | -23.1 |
| # | Status | Name | Title | Chess SA id | FIDE id | Region |
| 1 | Chief Arbiter | Marais, AB (Anton Bruce) | PA | 168020686 | Cape Winelands (WCW) | |
| 2 | Deputy Chief Arbiter | Jacobs, AZ (Abdurra Zaak) | PA | 1650140178 | Cape Winelands (WCW) | |
| 3 | Arbiter | Van Tonder, WF (Willem Frederick) | PA | 1640112268 | Cape Winelands (WCW) | |
| 4 | Arbiter | van der Merwe, L (Levouy) | SS | 1670319799 | Cape Winelands (WCW) |
| # | Rnd | Date | Name | Title | Fed | Rating | Res | Rating | Fed | Title | Name | Diff |
| 1 | 5 | 2026-09-19 | Gilfillan, C (Caiden) | WCW | 1204.7 | 0.5-0.5 | 1662.7 | WCW | Vanana, L (Libongile) | 229 | ||
| 2 | 1 | 2026-09-19 | Gilfillan, C (Caiden) | WCW | 1204.7 | 0.5-0.5 | 1491.6 | WCW | Roux, C (Charl) | 143.5 | ||
| 3 | 2 | 2026-09-19 | Tisana, K (Kwazokuhle) | WCW | 1410.9 | 0.5-0.5 | 1269.3 | WCW | Potgieter, L (Lian) | 70.8 | ||
| 4 | 3 | 2026-09-19 | He, Z (Zonghan) | WCT | 1401.1 | 0.5-0.5 | 1491.6 | WCW | Roux, C (Charl) | 45.2 | ||
| 5 | 4 | 2026-09-19 | Paulse, B (Breyton) | WCW | 1245.9 | 0-1 | 1204.7 | WCW | Gilfillan, C (Caiden) | 41.3 | ||
| 6 | 6 | 2026-09-19 | Neethling, C (Christiaan) | WCW | 1218.6 | 1-0 | 1245.9 | WCW | Paulse, B (Breyton) | 27.3 | ||
| 7 | 5 | 2026-09-19 | Pienaar, C (Christoff) | WCW | 1294.2 | 0-1 | 1269.3 | WCW | Potgieter, L (Lian) | 24.9 | ||
| 8 | 3 | 2026-09-19 | Gilfillan, C (Caiden) | WCW | 1204.7 | 1-0 | 1218.6 | WCW | Neethling, C (Christiaan) | 13.9 | ||
| 9 | 5 | 2026-09-19 | van der Merwe, S (Stefan) | WCW | 1469 | 0.5-0.5 | 1491.6 | WCW | Roux, C (Charl) | 11.3 | ||
| 10 | 2 | 2026-09-19 | Boshoff, M (Matthew) | WCW | 1205.2 | 0-1 | 1204.7 | WCW | Gilfillan, C (Caiden) | 0.5 |