Official NHA Assessment

Race 2: PLAY SOCCER 6, 10 AND 13 MAIDEN HANDICAP (For Maidens with 3 or more runs)

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Line Horse
Siberian Fox
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    Joyous Jubilee (AUS  2    59.5    1    0.00     0.0   67    63           67    +0
2    Texas Tornado        2    52.5    2    0.75     0.0   52    53           53    +1
3    Siberian Fox         2    57.5    3    1.00     0.0   63    63           63    +0
4    Cosmic Empire        3    52.0    4    5.75     5.0   21    38           38    +17
5    St Patrick's Day     4    54.0    5    5.85     3.0   46    46           46    +0
6    Rogue Male           3    55.0    6    8.10     5.0   48    44           44    -4
7    Western Jack         3    52.0    7    8.15     5.0   44    38           38    -6
8    Miss United States   3    52.5    8    9.65     5.0   42    39           39    -3
9    V V Power            3    53.0    9    12.90    5.0   44    40           40    -4
10   Nairobi              3    58.0    10   13.00    5.0   64    50           54    -10
11   Greek Mafia          5    58.0    11   20.50    0.0   54    60           60    +6
12   Last Survivor        2    60.0    12   99.99    0.0   68    64           64    -4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Joyous Jubilee (AUS) 67 61 67 -6 0.0 -
2 Texas Tornado 52 55 53 +2 0.0 -
3 Siberian Fox Line 63 62 63 -1 0.0
4 Cosmic Empire 21 33 38 -5 5.0 -
5 St Patrick's Day 46 42 46 -4 3.0 -
6 Rogue Male 48 50 44 +6 5.0 -
7 Western Jack 44 50 38 +12 5.0 -
8 Miss United States 42 52 39 +13 5.0 -
9 V V Power 44 39 40 -1 5.0 -
10 Nairobi 64 53 54 -1 5.0 -
11 Greek Mafia 54 45 60 -15 0.0 -
12 Last Survivor 68 64 64 ✓ Match 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