♞ Swiss Perfect
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♞ Swiss Perfect
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Zonal Chess Championship
Swiss System · 7 Rounds · FIDE Rated
0
Players
10
Categories
1
Current Round
0
Games Played
Category Summary
| # | Category | Players | Rounds | Leader | Score |
|---|
Recent Results
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Players
0 registered
| # | Name | Rating | Club/School | Category | DOB | Title |
|---|
Pairings
Select category and round
Result Entry — click a board row to select, then click a result button
No board selected — click a row in the table below
| Bd | White Player | Club | Score | Result ▾ | Score | Black Player | Club | W Pts | B Pts | Winner |
|---|
Results
Standings
Swiss Perfect 98 — Live Standings
| Place | Name | Feder | Rtg | Loc | Score | M-Buch. | Buch. | Progr. |
|---|
Swiss Pairing Rules
FIDE Official Rules
Round Calculator
Min rounds
4
Recommended
5
⌈log₂(16)⌉ = 4
| Players | Min Rounds | Recommended |
|---|---|---|
| 4–8 | 3 | 3–4 |
| 9–16 | 4 | 5 |
| 17–32 | 5 | 6 |
| 33–64 | 6 | 7 |
| 65–128 | 7 | 8 |
| 129+ | 8 | 9+ |
Pairing Rules (FIDE Swiss)
Rule 1 — Score group pairing
Players sorted by score (desc). Top half of each score group paired against bottom half. S1[1] vs S2[1], S1[2] vs S2[2], etc.
Rule 2 — No repeat pairing (Mandatory)
Two players who already played CANNOT be paired again in the same tournament.
Rule 3 — Colour balance
Players alternate White/Black each round. No player should have same colour more than twice consecutively.
Rule 4 — Float rule
If a player cannot be paired within their score group, they float DOWN to the next score group. Float up only if necessary.
Rule 5 — Bye (Odd players)
Odd number of players → lowest-ranked player in lowest score group (who has NOT already had a bye) receives bye = 1.0 point.
Rule 6 — Tiebreak order
1. Score · 2. Buchholz (sum opp. scores) · 3. Buchholz Cut-1 (remove lowest) · 4. Direct encounter · 5. Number of wins · 6. Rating
Scoring
| Result | White | Black | Code |
|---|---|---|---|
| White wins | 1.0 | 0.0 | 1-0 |
| Draw | 0.5 | 0.5 | ½-½ |
| Black wins | 0.0 | 1.0 | 0-1 |
| Bye | 1.0 | — | BYE |
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