Official NHA Assessment

Race 3: tabGOLD - THE INTELLIGENT BET! MAIDEN PLATE (For all Maidens)

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Line Horse
Red Piano
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
0 / 13
Within 2 points
Significant Diffs
13 / 13
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    Meetatthewindsor     5    60.0    1    0.00     0.0   -     -1           -     +0
2    Double Silver        3    60.0    2    0.50     7.0   68    -10          58    -10
3    Red Piano            2    60.0    3    3.80     0.0   -     -            -     +0
4    Maya's Cat           3    60.0    4    3.85     7.0   -     -14          -     +0
5    Law Court            3    60.0    5    3.95     7.0   -     -14          -     +0
6    Hunters Arrow        2    60.0    6    4.25     0.0   74    -            69    -5
7    Paris Rain           3    60.0    7    6.75     7.0   -     -15          -     +0
8    Double Rugged        3    60.0    8    8.85     7.0   -     -15          -     +0
9    Ebony Bay            3    60.0    9    9.25     7.0   -     -15          -     +0
10   Master Of Defense    3    58.5    10   12.05    7.0   -     -18          -     +0
11   Tigkita              3    60.0    11   12.95    7.0   -     -15          -     +0
12   Bar Visions          2    60.0    12   15.65    0.0   -     -1           -     +0
13   Swift Nicks          3    57.5    13   16.95    7.0   -     -20          -     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Meetatthewindsor - 76 - +76 0.0 -
2 Double Silver 68 74 58 +16 7.0 -
3 Red Piano Line - 63 - +63 0.0
4 Maya's Cat - 67 - +67 7.0 -
5 Law Court - 65 - +65 7.0 -
6 Hunters Arrow 74 54 69 -15 0.0 -
7 Paris Rain - 70 - +70 7.0 -
8 Double Rugged - 55 - +55 7.0 -
9 Ebony Bay - 50 - +50 7.0 -
10 Master Of Defense - 63 - +63 7.0 -
11 Tigkita - 48 - +48 7.0 -
12 Bar Visions - 46 - +46 0.0 -
13 Swift Nicks - 60 - +60 7.0 -
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