Official NHA Assessment

Race 2: TABGOLD NEW SOCCER CORNERS MAIDEN PLATE (For all Maidens)

Line Horse
Isorender
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
7 / 10
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Deception Pass       4    60.0    1    0.00     6.0   76    58           58    -18
2    Deputy Chief         3    57.0    2    6.40     8.5   -     47           47    +47
3    Isikwishikwishi      2    57.0    3    6.65     0.0   -     64           64    +64
4    Isorender            2    58.5    4    9.75     0.0   67    67           67    +0
5    Turn Around          2    57.0    5    14.65    0.0   -     64           64    +64
6    Abacom               3    57.0    6    19.35    8.5   -     47           47    +47
7    Visionary Dreamer    3    57.0    7    22.05    8.5   63    47           53    -10
8    Chief Inspector      3    53.0    8    25.75    8.5   -     39           39    +39
9    Princess Rhaenyra    2    54.0    9    99.99    0.0   -     58           58    +58
99   Teriyaki             4    60.0    99   0.00     6.0   -     58           58    +0
------------------------------------------------------------------------------------------------------------------------

Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Deception Pass 76 77 58 +19 6.0 -
2 Deputy Chief - 64 47 +17 8.5 -
3 Isikwishikwishi - 85 64 +21 0.0 -
4 Isorender Line 67 63 67 -4 0.0
5 Turn Around - 79 64 +15 0.0 -
6 Abacom - 46 47 -1 8.5 -
7 Visionary Dreamer 63 57 53 +4 8.5 -
8 Chief Inspector - - 39 -39 8.5 -
9 Princess Rhaenyra - 22 58 -36 0.0 -
99 Teriyaki - 71 58 +13 6.0 -
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