Official NHA Assessment

Race 2: RACING TODAY MAIDEN PLATE (For all Maidens)

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Line Horse
Space Mission
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
11 / 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    Ice Dragon           3    59.0    1    0.00     8.5   -     -6           -     +0
2    Milan's World        2    60.0    2    1.75     5.5   71    2            61    -10
3    Geostorm             2    59.0    3    2.05     5.5   -     -            -     +0
4    Space Mission        2    59.0    4    4.35     5.5   -     -            -     +0
5    Storm Burst          2    59.0    5    4.85     5.5   68    -            64    -4
6    Copper Cliff         2    60.0    6    7.85     5.5   67    2            57    -10
7    Ringho               4    60.0    7    10.25    10.0  62    -7           52    -10
8    Platinum Hill        3    59.0    8    11.15    8.5   -     -6           -     +0
9    Stoneywood           3    59.0    9    12.25    8.5   -     -6           -     +0
10   Anonymous            4    60.0    10   12.50    10.0  -     -7           -     +0
11   Millennium Warrior   2    57.5    11   18.75    5.5   -     -3           -     +0
99   Russel Square        3    59.0    99   0.00     8.5   -     -6           -6    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Ice Dragon - 80 - +80 8.5 -
2 Milan's World 71 72 61 +11 5.5 -
3 Geostorm - 80 - +80 5.5 -
4 Space Mission Line - 75 - +75 5.5
5 Storm Burst 68 63 64 -1 5.5 -
6 Copper Cliff 67 75 57 +18 5.5 -
7 Ringho 62 60 52 +8 10.0 -
8 Platinum Hill - 57 - +57 8.5 -
9 Stoneywood - 88 - +88 8.5 -
10 Anonymous - 50 - +50 10.0 -
11 Millennium Warrior - 74 - +74 5.5 -
99 Russel Square - 59 -6 +65 8.5 -
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