Official NHA Assessment

Race 6: TABGOLD CARD CALL MR 90 HANDICAP (Open)

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Line Horse
Ideal Act
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
5 / 9
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    Iron Will            4    51.0    1    0.00     2.0   76    71           76    +0
2    Ideal Act            3    61.0    2    0.40     4.0   92    92           92    +0
3    News Stream          6    57.5    3    0.70     0.0   88    93           93    +5
4    Sea Master           4    61.0    4    1.00     2.0   92    95           95    +3
5    Artic Tune           4    56.0    5    1.30     2.0   82    84           84    +2
6    Caesura              6    53.0    6    2.10     0.0   76    82           82    +6
7    Oh So Squishy        3    59.5    7    2.20     4.0   92    87           87    -5
8    Juan Carlos          7    57.0    8    5.00     0.0   84    87           87    +3
99   Boundless Bash       2    59.0    99   0.00     0.0   -     91           91    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Iron Will 76 63 76 -13 2.0 -
2 Ideal Act Line 92 86 92 -6 4.0
3 News Stream 88 83 93 -10 0.0 -
4 Sea Master 92 99 95 +4 2.0 -
5 Artic Tune 82 81 84 -3 2.0 -
6 Caesura 76 81 82 -1 0.0 -
7 Oh So Squishy 92 68 87 -19 4.0 -
8 Juan Carlos 84 93 87 +6 0.0 -
99 Boundless Bash - 92 91 +1 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