Official NHA Assessment

Race 6: RACEHORSE OWNERS ASSOCIATION FM 72 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Querandi
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
4 / 10
Within 2 points
Significant Diffs
4 / 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    Arabian Red          4    61.0    1    0.00     3.0   74    72           74    +0
2    Canford Queen        3    59.0    2    0.50     6.0   70    67           67    -3
3    Querandi             2    52.5    3    1.00     0.0   65    65           65    +0
4    Get It Done          6    60.5    4    1.10     0.0   73    81           81    +8
5    Marshmallow          4    59.5    5    3.35     3.0   71    70           70    -1
6    Sundrop              6    52.0    6    6.35     0.0   50    60           60    +10
7    Take Your Time       3    52.0    7    6.60     6.0   67    48           57    -10
8    Blue Palace          2    55.5    8    8.60     0.0   75    67           67    -8
9    Light Of Day         5    58.5    9    13.85    0.0   69    73           73    +4
99   Sky Velocity         5    52.0    99   0.00     0.0   -     60           60    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Arabian Red 74 74 74 ✓ Match 3.0 -
2 Canford Queen 70 59 67 -8 6.0 -
3 Querandi Line 65 64 65 -1 0.0
4 Get It Done 73 71 81 -10 0.0 -
5 Marshmallow 71 72 70 +2 3.0 -
6 Sundrop 50 48 60 -12 0.0 -
7 Take Your Time 67 60 57 +3 6.0 -
8 Blue Palace 75 69 67 +2 0.0 -
9 Light Of Day 69 61 73 -12 0.0 -
99 Sky Velocity - 57 60 -3 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