Official NHA Assessment

Race 7: RACING240 FOR RACING. FOR YOU FM 69 DIVIDED HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Play With Fire
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
6 / 9
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    Boom Boom            4    59.5    1    0.00     0.5   70    67           70    +0
2    Solo Diva            3    57.5    2    1.15     1.0   64    66           66    +2
3    Play With Fire       4    60.0    3    1.35     0.5   71    71           71    +0
4    Annewithan E         2    57.5    4    4.25     0.0   66    65           65    -1
5    Northern Kitten      3    57.5    5    6.25     1.0   71    62           62    -9
6    Bad Hair Day         2    52.0    6    10.00    0.0   50    53           53    +3
7    Angelofthemorning    3    52.0    7    11.00    1.0   50    51           51    +1
8    Summerland           5    52.5    8    18.25    0.0   53    54           54    +1
99   Countess Danza       5    56.5    99   0.00     0.0   -     62           62    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Boom Boom 70 81 70 +11 0.5 -
2 Solo Diva 64 65 66 -1 1.0 -
3 Play With Fire Line 71 79 71 +8 0.5
4 Annewithan E 66 74 65 +9 0.0 -
5 Northern Kitten 71 67 62 +5 1.0 -
6 Bad Hair Day 50 47 53 -6 0.0 -
7 Angelofthemorning 50 48 51 -3 1.0 -
8 Summerland 53 45 54 -9 0.0 -
99 Countess Danza - 51 62 -11 0.0 -
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