Official NHA Assessment

Race 7: DENNIS DRIER POINSETTIA STAKES (Grade 3) (For Fillies and Mares at WFA + Penalties)

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Line Horse
Symphony In White
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
5 / 12
Within 2 points
Significant Diffs
5 / 12
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    Mai Sensation        3    53.5    1    0.00     3.0   101   100          100   -1
2    Asiye Phambili       3    62.0    2    0.40     3.0   116   117          117   +1
3    Symphony In White    2    55.0    3    0.70     2.0   105   105          105   +0
4    Disting              2    52.5    4    1.90     2.0   92    100          100   +8
5    Roccapina            2    57.0    5    2.00     2.0   116   109          109   -7
6    Summer Lily          2    55.5    6    2.30     2.0   100   106          106   +6
7    Sorceress Supreme    3    53.5    7    3.20     3.0   101   100          100   -1
8    Shipholia            5    57.0    8    12.10    0.0   105   113          113   +8
9    Pritti Victory       3    54.5    9    14.00    3.0   94    102          102   +8
10   Andi's Girl          4    55.5    10   14.15    3.5   96    103          103   +7
11   Gimmie's Countess    3    57.5    11   15.65    3.0   107   108          108   +1
12   Francine             4    55.5    12   34.75    3.5   101   103          103   +2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mai Sensation 101 108 100 +8 3.0 -
2 Asiye Phambili 116 119 117 +2 3.0 -
3 Symphony In White Line 105 103 105 -2 2.0
4 Disting 92 96 100 -4 2.0 -
5 Roccapina 116 109 109 ✓ Match 2.0 -
6 Summer Lily 100 99 106 -7 2.0 -
7 Sorceress Supreme 101 98 100 -2 3.0 -
8 Shipholia 105 104 113 -9 0.0 -
9 Pritti Victory 94 94 102 -8 3.0 -
10 Andi's Girl 96 93 103 -10 3.5 -
11 Gimmie's Countess 107 107 108 -1 3.0 -
12 Francine 101 99 103 -4 3.5 -
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