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TCC handicap scoring (IRC / PY)

Time-on-time corrected scoring using a Time Correction Factor (TCF). IRC boats use TCC directly; PY boats derive TCF = 1000 ÷ PY number. Boats rank by lowest corrected time (CT = ET × TCF); penalty codes are unchanged.

Examples

#Scenario
1 IRC — corrected-time order differs from elapsed-time order
2 PY — TCF derived from integer Portsmouth Yardstick number
3 IRC — DNF receives fleet-size penalty; finishers still scored on corrected time
4 IRC — competitor with no TCC is excluded from scoring; others scored normally
5 IRC — tie on corrected time triggers A8.1 averaging
6 IRC under A5.3 — DNF uses starters+1, DNC keeps entries+1
7 IRC under A5.3 with DNC from the starting area (DBSC SI A13.2)
8 IRC — penalty base counts rated boats only; unrated boats don't bloat penalties
9 IRC — corrected time rounded to whole seconds; sub-second float jitter must not reverse rank
10 IRC — RDG average excluding DNC up to the discard limit (handicap path)
11 IRC — mid-series TCC change via per-race rating override
12 IRC — series tie broken by RRS A8.1/A8.2 on the handicap path
13 IRC — additive scoring penalty (SCP) applies in a handicap fleet
14 VPRS — corrected-time order differs from finish order (spinnaker TCC)
15 VPRS — non-spinnaker TCCs, three races, one discard, A8 tie-break
16 VPRS — mid-series TCC change via per-race rating override
17 ORC — all-purpose time-on-time (APHT), the IRC-equivalent option
18 ORC — all-purpose time-on-distance (APHD) over a recorded course length
19 ORC — the scoring option is chosen per race (ToT default, one race switched to ToD)
20 IRC — the same race recorded as elapsed times scores identically
21 IRC — a race timed to the millisecond is corrected to the millisecond
22 IRC — boats inside the same second are ranked when the race was timed to the millisecond, and tied when it was timed to the second
23 Fixed TCF — a club handicap held for the whole series
24 Fixed TCF — a boat re-rated mid-series, earlier races left as sailed
25 ORC — a time-on-distance race with no recorded course length scores nobody