Official NHA Assessment

Race 7: GUINEAS DAY 5 FEBRUARY MR 72 HANDICAP (Open)

Line Horse
Golden Tune
Reference for assessment
Exact Matches
1 / 18
Calculated = Official
Close Matches
3 / 18
Within 2 points
Significant Diffs
9 / 18
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Secret Is Ours       4    57.5    1    0.00     3.0   68    59           68    +0
2    Leshawes             3    54.5    2    1.75     6.0   73    50           63    -10
3    Golden Tune          5    55.0    3    3.25     0.0   62    62           62    +0
4    West Point           3    56.5    4    6.00     6.0   77    51           67    -10
5    Secret Giver         4    57.5    5    6.05     3.0   68    59           59    -9
6    Elusive Swann        4    57.0    6    7.25     3.0   67    58           58    -9
7    So Long Spring       7    50.0    7    9.75     0.0   57    50           50    -7
8    FSquadron            4    59.5    8    10.75    3.0   72    63           63    -9
9    Orus Apollo          4    50.0    9    11.75    3.0   61    44           51    -10
10   Evoke                5    52.5    10   12.00    0.0   57    55           55    -2
11   My Kingdom           6    54.0    11   12.75    0.0   60    58           58    -2
12   Signals              4    52.5    12   13.00    3.0   58    49           49    -9
13   Mister Blue Sky      4    56.0    13   15.75    3.0   65    56           56    -9
14   Hidden Agenda        10   58.0    14   17.00    0.0   68    66           66    -2
15   Anatura              5    57.5    15   19.00    0.0   67    65           65    -2
99   Dance Partner        4    53.5    99   0.00     3.0   -     51           51    +0
99   Flinders Range       3    52.0    99   0.00     6.0   -     42           42    +0
99   Motown Magic         3    60.5    99   0.00     6.0   -     59           59    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Secret Is Ours 68 66 68 -2 3.0 -
2 Leshawes 73 73 63 +10 6.0 -
3 Golden Tune Line 62 68 62 +6 0.0
4 West Point 77 53 67 -14 6.0 -
5 Secret Giver 68 75 59 +16 3.0 -
6 Elusive Swann 67 72 58 +14 3.0 -
7 So Long Spring 57 51 50 +1 0.0 -
8 FSquadron 72 68 63 +5 3.0 -
9 Orus Apollo 61 46 51 -5 3.0 -
10 Evoke 57 51 55 -4 0.0 -
11 My Kingdom 60 53 58 -5 0.0 -
12 Signals 58 49 49 ✓ Match 3.0 -
13 Mister Blue Sky 65 62 56 +6 3.0 -
14 Hidden Agenda 68 63 66 -3 0.0 -
15 Anatura 67 68 65 +3 0.0 -
99 Dance Partner - 57 51 +6 3.0 -
99 Flinders Range - 71 42 +29 6.0 -
99 Motown Magic - 75 59 +16 6.0 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points