Official NHA Assessment

Race 9: WWW.TAB4RACING.COM MR 96 HANDICAP (Open)

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Line Horse
Tsar Bomba
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
8 / 10
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    Texas Red            5    54.0    1    0.00     0.0   90    99           90    +0
2    Dancetildaylight     3    59.5    2    0.50     4.5   95    101          101   +6
3    Tsar Bomba           3    56.5    3    1.30     4.5   95    95           95    +0
4    Set To Go            2    53.0    4    1.40     3.0   88    91           91    +3
5    Mardi Gras           7    60.5    5    2.65     0.0   102   112          112   +10
6    Frontline Fighter    3    53.0    6    4.90     4.5   82    88           88    +6
7    Bold Act             3    61.0    7    6.50     4.5   98    104          104   +6
8    Jp Two Thousand      3    51.5    8    8.50     4.5   84    85           85    +1
9    Godswood             4    63.5    9    13.00    5.0   103   108          108   +5
99   Twin Strike          2    55.5    99   0.00     3.0   -     96           96    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Texas Red 90 119 90 +29 0.0 -
2 Dancetildaylight 95 92 101 -9 4.5 -
3 Tsar Bomba Line 95 91 95 -4 4.5
4 Set To Go 88 84 91 -7 3.0 -
5 Mardi Gras 102 83 112 -29 0.0 -
6 Frontline Fighter 82 82 88 -6 4.5 -
7 Bold Act 98 77 104 -27 4.5 -
8 Jp Two Thousand 84 61 85 -24 4.5 -
9 Godswood 103 106 108 -2 5.0 -
99 Twin Strike - 90 96 -6 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