Playing rules

1. Tournaments

  • Paul Keres Memorial Festival 2025 includes four different tournaments:
    • Classic Open A (FIDE rating 1800+)
    • Classic Open B (FIDE rating -1900)
    • Rapid
    • Blitz
  • Classic Open A and B have 9 rounds played in the Swiss system.
  • Blitz tournament has 11 rounds played in the Swiss system.
  • Rapid touranment has 7 rounds played in the Swiss system.

2. Time control

  • Classic Open: 90 minutes per game + 30 seconds per move starting from move 1.
  • Rapid: 15 minutes per game + 3 seconds per move.
  • Blitz: 3 minutes per game + 2 seconds per move.

3. Tiebreaks

  1. Median Bucholtz (-1 worst result)
  2. Median Bucholtz (-2 worst results)
  3. More wins with black

4. Sharing prizes

  • Classic Open monetary prizes will be divided according to the Hort system.
  • Rapid and blitz prizes are not shared.
  • Every participant can receive only one prize per tournament.
  • Classic Open (A+B), rapid and blitz prize funds are guaranteed in case of at least 100 participants.
  • Special prizes will be awarded in case there are at least 5 participants in the category.
  • The prizes will be taxed according to Estonian law.