Official NHA Assessment

Race 5: GOLD CIRCLE RACING YOUTUBE CHANNEL MR 73 HANDICAP (Open)

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Line Horse
Querari's Cowboy
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
6 / 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    Star Crusade         5    53.5    1    0.00     0.0   60    56           60    +0
2    Caesura              6    58.0    2    0.20     0.0   69    65           65    -4
3    Victory Twist        4    58.5    3    1.25     3.0   71    66           66    -5
4    Querari's Cowboy     5    59.0    4    2.30     0.0   71    71           71    +0
5    Living Waters        5    53.0    5    3.20     0.0   64    58           58    -6
6    Lucretius            6    56.0    6    4.60     0.0   77    62           67    -10
7    Calgary              4    53.5    7    5.20     3.0   61    50           51    -10
8    Lord Of The Manor    5    53.5    8    6.20     0.0   60    56           56    -4
9    King's Cove          6    55.0    9    6.80     0.0   63    59           59    -4
10   Admiral Birnham      3    54.5    10   7.50     6.0   74    46           64    -10
11   Tiger Tank           5    60.0    11   7.75     0.0   73    69           69    -4
12   Fort Wylie           4    52.5    12   11.05    3.0   57    48           48    -9
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Star Crusade 60 56 60 -4 0.0 -
2 Caesura 69 81 65 +16 0.0 -
3 Victory Twist 71 80 66 +14 3.0 -
4 Querari's Cowboy Line 71 62 71 -9 0.0
5 Living Waters 64 59 58 +1 0.0 -
6 Lucretius 77 64 67 -3 0.0 -
7 Calgary 61 61 51 +10 3.0 -
8 Lord Of The Manor 60 48 56 -8 0.0 -
9 King's Cove 63 52 59 -7 0.0 -
10 Admiral Birnham 74 68 64 +4 6.0 -
11 Tiger Tank 73 73 69 +4 0.0 -
12 Fort Wylie 57 43 48 -5 3.0 -
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