Official NHA Assessment

Race 7: BETWAY MONEY BACK BOOST MR 72 HANDICAP (Open)

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Line Horse
Written In Stone
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
5 / 8
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    Meteoric             3    60.5    1    0.00     8.5   73    56           73    +0
2    After Hours          7    57.5    2    1.50     0.0   67    67           67    +0
3    Written In Stone     9    52.0    3    2.00     0.0   56    56           56    +0
4    Dark Tide            5    56.5    4    3.00     0.0   65    65           65    +0
5    Here With Me         2    60.5    5    5.00     5.5   84    62           74    -10
6    Big City Girl        4    54.0    6    5.75     10.0  60    40           50    -10
7    Coming In Hot        3    59.0    7    7.75     8.5   73    53           63    -10
8    Sullenberger         5    62.0    8    29.00    0.0   76    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 Meteoric 73 76 73 +3 8.5 -
2 After Hours 67 79 67 +12 0.0 -
3 Written In Stone Line 56 67 56 +11 0.0
4 Dark Tide 65 53 65 -12 0.0 -
5 Here With Me 84 77 74 +3 5.5 -
6 Big City Girl 60 59 50 +9 10.0 -
7 Coming In Hot 73 76 63 +13 8.5 -
8 Sullenberger 76 72 76 -4 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