Official NHA Assessment

Race 7: TAB 4RACING APP MR 68 HANDICAP (Open)

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Line Horse
Flash Lightning
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
9 / 11
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    Globetonic           6    60.0    1    0.00     0.0   68    74           68    +0
2    Mr Belvedere         4    58.5    2    0.50     5.0   64    66           66    +2
3    Flash Lightning      4    57.0    3    0.75     5.0   62    62           62    +0
4    Prince Antonio       3    58.5    4    2.50     8.0   66    57           57    -9
5    Potent Captain       4    54.0    5    2.55     5.0   64    54           54    -10
6    Above The Horizon    2    58.5    6    3.05     0.0   81    73           73    -8
7    Silent Trigger       6    58.0    7    5.30     0.0   64    70           70    +6
8    Bright Future        3    58.0    8    6.55     8.0   65    54           55    -10
9    King Rahul           4    51.0    9    10.05    5.0   55    46           46    -9
10   Midwicket            3    59.5    10   13.05    8.0   68    57           58    -10
11   Free World           3    59.0    11   14.05    8.0   66    56           56    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Globetonic 68 77 68 +9 0.0 -
2 Mr Belvedere 64 55 66 -11 5.0 -
3 Flash Lightning Line 62 69 62 +7 5.0
4 Prince Antonio 66 63 57 +6 8.0 -
5 Potent Captain 64 54 54 ✓ Match 5.0 -
6 Above The Horizon 81 86 73 +13 0.0 -
7 Silent Trigger 64 60 70 -10 0.0 -
8 Bright Future 65 60 55 +5 8.0 -
9 King Rahul 55 63 46 +17 5.0 -
10 Midwicket 68 67 58 +9 8.0 -
11 Free World 66 62 56 +6 8.0 -
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