Official NHA Assessment

Race 4: BETWAY MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
Snow Moon
Reference for assessment
Exact Matches
1 / 13
Calculated = Official
Close Matches
1 / 13
Within 2 points
Significant Diffs
12 / 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    Roman's Revenge      2    57.0    1    0.00     0.0   83    101          89    +6
2    Snow Moon            3    54.5    2    5.75     9.0   78    78           78    +0
3    Storm Ahead          4    60.0    3    8.00     5.0   73    97           97    +24
4    Palace Guard         2    57.0    4    8.75     0.0   -     101          101   +101
5    Splashlanding        2    57.0    5    9.75     0.0   -     101          101   +101
6    Gamer                4    60.0    6    10.25    5.0   64    97           97    +33
7    Gold De Grace        4    60.0    7    10.35    5.0   59    97           97    +38
8    Another Universe     2    57.0    8    10.50    0.0   -     101          101   +101
9    Captain Snowball     2    57.0    9    12.25    0.0   -     101          101   +101
10   Heroic Act           3    57.0    10   13.00    9.0   73    83           83    +10
11   Madeira Cliffs       3    60.0    11   18.50    9.0   57    89           89    +32
99   Livebythesword       2    57.5    99   0.00     0.0   -     102          102   +0
99   Emblem Of War        3    60.0    99   0.00     9.0   -     89           89    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Roman's Revenge 83 89 89 ✓ Match 0.0 -
2 Snow Moon Line 78 68 78 -10 9.0
3 Storm Ahead 73 80 97 -17 5.0 -
4 Palace Guard - 68 101 -33 0.0 -
5 Splashlanding - 65 101 -36 0.0 -
6 Gamer 64 65 97 -32 5.0 -
7 Gold De Grace 59 51 97 -46 5.0 -
8 Another Universe - 82 101 -19 0.0 -
9 Captain Snowball - 56 101 -45 0.0 -
10 Heroic Act 73 65 83 -18 9.0 -
11 Madeira Cliffs 57 57 89 -32 9.0 -
99 Livebythesword - 59 102 -43 0.0 -
99 Emblem Of War - 75 89 -14 9.0 -
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