Pre-tournament favourite Rob Willmoth is the sole leader after 4 rounds of the club championship, with 6 players half a point behind.
Half-point byes: KENT Anthony R 151 (1), GUINNESS Niall 105 (½), MAHTANI Arun 96 (½)
1. RUBECK Jonathan 3/3
2-4. SARTENAER Jean-Claude, WILLMOTH Robert F, MEDWORTH Andrew 2½/3
5-8. LIMONOV Petr, PEPE Salvatore, ROGAL Chris S, KAPUR Gul 2/3
Round by round results & standings: www.chess-results.com/tnr341258.aspx?lan=1&art=2&rd=4&flag=30