Official NHA Assessment

Race 7: BETWAY MONEY BACK BOOST FM 90 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Apache Fighter
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
4 / 8
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    Special Charm        3    54.5    1    0.00     9.5   79    66           79    +0
2    Apache Fighter       4    57.0    2    1.25     6.0   84    84           84    +0
3    Princess Kesh        3    53.0    3    1.30     9.5   76    68           68    -8
4    Opera Glass          4    60.0    4    4.75     6.0   90    84           84    -6
5    Paton's Tears        4    55.0    5    5.50     6.0   80    74           74    -6
6    Pretty In Pearls     3    49.5    6    5.55     9.5   66    56           56    -10
7    Memorial Day         2    52.0    7    12.00    0.0   63    80           80    +17
99   Summer Fling         3    52.0    99   0.00     9.5   -     61           61    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Special Charm 79 104 79 +25 9.5 -
2 Apache Fighter Line 84 81 84 -3 6.0
3 Princess Kesh 76 77 68 +9 9.5 -
4 Opera Glass 90 81 84 -3 6.0 -
5 Paton's Tears 80 78 74 +4 6.0 -
6 Pretty In Pearls 66 56 56 ✓ Match 9.5 -
7 Memorial Day 63 49 80 -31 0.0 -
99 Summer Fling - 50 61 -11 9.5 -
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