Official NHA Assessment

Race 2: OPEN A TABGOLD ACCOUNT - 031 314 1874 MAIDEN PLATE (F & M) (For Maiden Fillies & Mares)

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Line Horse
Nautical Landing
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
9 / 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    Nautical Landing     3    60.0    1    0.00     1.0   73    73           73    +0
2    Valli Gal            2    60.0    2    2.10     0.0   65    78           78    +13
3    Echo                 3    60.0    3    7.70     1.0   73    73           73    +0
4    Late Bloomer         2    56.0    4    11.40    0.0   -     67           67    +67
5    Lightinthedarkness   3    56.0    5    12.90    1.0   64    65           65    +1
6    Style Icon           4    60.0    6    13.20    0.5   50    74           74    +24
7    Winter Glade         3    60.0    7    14.80    1.0   -     73           73    +73
99   Austrian Beauty      3    60.0    99   0.00     1.0   -     73           73    +0
99   Ms Sakura            2    56.0    99   0.00     0.0   -     67           67    +0
99   Q For Love           3    60.0    99   0.00     1.0   -     73           73    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Nautical Landing Line 73 63 73 -10 1.0
2 Valli Gal 65 65 78 -13 0.0 -
3 Echo 73 67 73 -6 1.0 -
4 Late Bloomer - 70 67 +3 0.0 -
5 Lightinthedarkness 64 59 65 -6 1.0 -
6 Style Icon 50 54 74 -20 0.5 -
7 Winter Glade - 49 73 -24 1.0 -
99 Austrian Beauty - 60 73 -13 1.0 -
99 Ms Sakura - - 67 -67 0.0 -
99 Q For Love - 60 73 -13 1.0 -
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