Official NHA Assessment

Race 5: TAB TELEBET 0861 000 822 CLASSIFIED STAKES (For horses with nett rating of 71 and below)

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Line Horse
Slainte Mhath
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
6 / 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    Head Gardener        3    56.0    1    0.00     9.0   60    56           56    -4
2    Slainte Mhath        4    58.5    2    0.25     5.0   69    69           69    +0
3    Puerto Plata (ARG)   3    60.0    3    0.30     9.0   69    71           71    +2
4    Kanimambo            5    56.0    4    1.55     0.0   63    79           79    +16
5    Crimson Comet        3    56.0    5    4.30     9.0   78    57           68    -10
6    Belle's First Wave   3    52.0    6    6.80     9.0   54    48           48    -6
7    Island Master        3    58.0    7    8.05     9.0   67    60           60    -7
8    'O Captain           2    52.0    8    8.30     0.0   54    66           66    +12
9    Bronze Sword         3    60.0    9    11.55    9.0   71    64           64    -7
10   Great Affair         7    58.0    10   14.80    0.0   66    78           78    +12
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Head Gardener 60 66 56 +10 9.0 -
2 Slainte Mhath Line 69 81 69 +12 5.0
3 Puerto Plata (ARG) 69 68 71 -3 9.0 -
4 Kanimambo 63 59 79 -20 0.0 -
5 Crimson Comet 78 72 68 +4 9.0 -
6 Belle's First Wave 54 51 48 +3 9.0 -
7 Island Master 67 67 60 +7 9.0 -
8 'O Captain 54 52 66 -14 0.0 -
9 Bronze Sword 71 66 64 +2 9.0 -
10 Great Affair 66 63 78 -15 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