Official NHA Assessment

Race 3: PLAY SOCCER 6, 10 AND 13 MAIDEN HANDICAP (F & M) (For Maiden F & M with 3 or more runs)

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Line Horse
Arabian Sky
Reference for assessment
Exact Matches
1 / 7
Calculated = Official
Close Matches
1 / 7
Within 2 points
Significant Diffs
5 / 7
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    Summerland           5    56.0    1    0.00     0.0   77    69           70    -7
2    Arabian Sky          3    60.0    2    1.25     9.0   63    63           63    +0
3    Batik                3    52.0    3    2.00     9.0   45    46           46    +1
4    Treaty               2    53.0    4    4.00     0.0   66    64           64    -2
5    Voshaarnooi          2    52.0    5    5.00     0.0   58    61           61    +3
6    Queen Britanna       2    52.0    6    7.00     0.0   63    61           61    -2
7    Moonlit Ruby         3    52.0    7    15.00    9.0   32    43           43    +11
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Summerland 77 45 70 -25 0.0 -
2 Arabian Sky Line 63 63 63 ✓ Match 9.0
3 Batik 45 57 46 +11 9.0 -
4 Treaty 66 48 64 -16 0.0 -
5 Voshaarnooi 58 50 61 -11 0.0 -
6 Queen Britanna 63 57 61 -4 0.0 -
7 Moonlit Ruby 32 24 43 -19 9.0 -
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