Official NHA Assessment

Race 2: TABGOLD SCORE 8 MAIDEN PLATE (For all Maidens)

Line Horse
Run To Rio
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
9 / 12
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Run To Rio           4    60.0    1    0.00     0.5   75    75           75    +0
2    Mc Dazzler           2    60.0    2    0.25     0.0   73    76           76    +3
3    Captain Marsala      2    60.0    3    0.50     0.0   75    81           81    +6
4    French Flame         2    56.0    4    2.30     0.0   -     70           70    +70
5    Breath Of Magic      4    60.0    5    4.20     0.5   68    76           76    +8
6    Catavar              4    60.0    6    4.50     0.5   73    75           75    +2
7    Red Mountain         4    60.0    7    8.30     0.5   78    75           75    -3
8    Move To Prove        2    56.0    8    9.80     0.0   -     68           68    +68
9    Always Shining       3    54.5    9    10.40    1.5   -     62           62    +62
10   Russian Writer       3    60.0    10   14.80    1.5   52    73           73    +21
11   Turbo Vee Eight      3    60.0    11   28.60    1.5   -     73           73    +73
12   Strictly Mambo       3    60.0    12   35.80    1.5   -     73           73    +73
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Run To Rio Line 75 71 75 -4 0.5
2 Mc Dazzler 73 54 76 -22 0.0 -
3 Captain Marsala 75 68 81 -13 0.0 -
4 French Flame - 82 70 +12 0.0 -
5 Breath Of Magic 68 60 76 -16 0.5 -
6 Catavar 73 64 75 -11 0.5 -
7 Red Mountain 78 77 75 +2 0.5 -
8 Move To Prove - 63 68 -5 0.0 -
9 Always Shining - 76 62 +14 1.5 -
10 Russian Writer 52 47 73 -26 1.5 -
11 Turbo Vee Eight - - 73 -73 1.5 -
12 Strictly Mambo - 53 73 -20 1.5 -
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