Official NHA Assessment

Race 6: 4RACING.TV FM 78 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Variety Breeze
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
3 / 10
Within 2 points
Significant Diffs
5 / 10
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    Three Rocks          2    58.0    1    0.00     0.5   89    77           89    +0
2    Glass Shoes          3    57.5    2    0.25     1.5   74    74           74    +0
3    Baubles And Beads    2    58.5    3    2.25     0.5   76    78           78    +2
4    Variety Breeze       4    61.0    4    2.35     2.0   80    80           80    +0
5    Paris Lass           4    58.0    5    2.40     2.0   89    74           79    -10
6    Princess Deb's       3    61.5    6    3.15     1.5   81    82           82    +1
7    Rhythm Of The Rain   3    57.5    7    4.40     1.5   73    74           74    +1
8    I Like It Hot        2    58.5    8    4.65     0.5   76    78           78    +2
9    Rainbow Thief        2    60.0    9    5.15     0.5   79    81           81    +2
10   Delicasea            4    60.0    10   5.65     2.0   78    78           78    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Three Rocks 89 101 89 +12 0.5 -
2 Glass Shoes 74 75 74 +1 1.5 -
3 Baubles And Beads 76 72 78 -6 0.5 -
4 Variety Breeze Line 80 62 80 -18 2.0
5 Paris Lass 89 102 79 +23 2.0 -
6 Princess Deb's 81 80 82 -2 1.5 -
7 Rhythm Of The Rain 73 70 74 -4 1.5 -
8 I Like It Hot 76 76 78 -2 0.5 -
9 Rainbow Thief 79 71 81 -10 0.5 -
10 Delicasea 78 74 78 -4 2.0 -
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