Rules & Conditions


  1. Macquarie University is a smoke-free campus. There is one smoking area but it is unavailable to players whilst their games are in progress. It is a condition of the tournament that players understand that there is no smoking area as part of the venue.
  2. The venue includes the playing hall, front hallway (including drink station) and the bathrooms. Players are not allowed to leave the venue whilst their games are in progress.

Playing Conditions:

  1. This Sydney International Open (SIO) and Peter Parr Memorial Sydney International Challengers (SIC) are 9-round individual chess tournaments. The SIO is open to all players. The SIC is open to all players rated below 2000 (ACF) or non-ACF rated players with a FIDE Rating below 2000. The Junior Rapidplay is open to players under 18 as of 1 January 2020.
  2. The Swiss Manager program will be used for pairings for the SIO and SIC. The Junior Rapidplay and Blitz will use Vega as the pairing system.
  3. Tournaments will be seeded on FIDE ratings followed by ACF ratings. Prizes will be based on the rating they were seeded on.
  4. Time control is for the Sydney International Open and the Peter Parr Sydney International Challengers is 90 minutes plus 30 seconds per move from move 1. The time control for the Junior Rapidplay is 15 minutes + 5 seconds per move from move 1. The time control for the Macquarie University Blitz is 3 minutes + 2 seconds per move from move 1.
  5. Any player who arrives at the chessboard more than 30 minutes after the start of the session shall lose the game unless the arbiter decides otherwise. 
  6. All mobile phones and electronic devices (including smart watches) are to be switched off when in the playing hall. These devices can be left in a player’s bag or in a jacket left on a chair. A player found to be in possession of a mobile phone whilst their game is in progress will lose their game.
  7. There is no analysing at the board.
  8. Players may take up to two half-point byes. No half-point byes are available for the last 3 rounds. Players need to request a bye before the start of the previous round, for example if a player wishes to take a bye in round 5, they must do so before play commences for round 4.


  1. All prize money is to be shared between players on the same score.
  2. Players can only win one prize.
  3. Trophies (and junior book prizes) will be given on tie-break. The tiebreak to be used is:
    1. Direct Encounter
    2. The greater number of wins
    3. The greater number of games with Black (unplayed games shall be counted as played with White) 
    4. Buchholz Cut 1
    5. Buchholz
    6. Sonneborn-Berger