Official NHA Assessment

Race 8: THE COUNTRY CHAMPIONSHIP CLASS 4 (Open. Benchmark at 60.0kg = 78)

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Line Horse
The Tinkerman
Reference for assessment
Exact Matches
1 / 17
Calculated = Official
Close Matches
3 / 17
Within 2 points
Significant Diffs
11 / 17
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    Riverstone           2    57.0    1    0.00     2.5   85    73           73    -12
2    The Tinkerman        3    60.0    2    1.50     3.5   77    77           77    +0
3    Fort Red             4    60.0    3    2.75     4.0   78    76           76    -2
4    Boogiefied (AUS)     4    60.5    4    2.80     4.0   84    77           77    -7
5    Night Bomber         4    60.0    5    3.05     4.0   83    76           76    -7
6    Dancingtothelight    3    59.5    6    3.30     3.5   82    76           76    -6
7    Guarding The Wall    4    57.0    7    3.40     4.0   77    70           70    -7
8    Street Outlaw        5    59.0    8    3.65     0.0   76    82           82    +6
9    Hammies Hero         2    59.5    9    3.70     2.5   77    78           78    +1
10   Radicchio            5    55.5    10   3.80     0.0   69    75           75    +6
11   Whiskey Bravo        2    54.5    11   5.05     2.5   72    68           68    -4
12   Gold Index           3    55.5    12   5.55     3.5   69    68           68    -1
13   Gravity              4    59.5    13   6.55     4.0   82    75           75    -7
14   Monumental           2    59.5    14   6.65     2.5   82    78           78    -4
15   Agressivo            3    55.0    15   14.90    3.5   67    67           67    +0
99   Counter Attack       3    59.0    99   0.00     3.5   -     75           75    +0
99   Mighty Mac           5    56.0    99   0.00     0.0   -     76           76    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Riverstone 85 84 73 +11 2.5 -
2 The Tinkerman Line 77 76 77 -1 3.5
3 Fort Red 78 66 76 -10 4.0 -
4 Boogiefied (AUS) 84 90 77 +13 4.0 -
5 Night Bomber 83 96 76 +20 4.0 -
6 Dancingtothelight 82 73 76 -3 3.5 -
7 Guarding The Wall 77 67 70 -3 4.0 -
8 Street Outlaw 76 78 82 -4 0.0 -
9 Hammies Hero 77 69 78 -9 2.5 -
10 Radicchio 69 100 75 +25 0.0 -
11 Whiskey Bravo 72 66 68 -2 2.5 -
12 Gold Index 69 53 68 -15 3.5 -
13 Gravity 82 63 75 -12 4.0 -
14 Monumental 82 71 78 -7 2.5 -
15 Agressivo 67 67 67 ✓ Match 3.5 -
99 Counter Attack - 67 75 -8 3.5 -
99 Mighty Mac - 52 76 -24 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