Official NHA Assessment

Race 8: NEXT FAIRVIEW RACEMEETING FRIDAY 7 APRIL MR 77 HANDICAP (Open)

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Line Horse
Irish Rain
Reference for assessment
Exact Matches
1 / 15
Calculated = Official
Close Matches
4 / 15
Within 2 points
Significant Diffs
6 / 15
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    Alingalonga          4    58.5    1    0.00     1.5   74    74           74    +0
2    Euphoric             6    54.0    2    0.50     0.0   65    73           73    +8
3    El Romiachi          8    55.0    3    2.25     0.0   67    73           73    +6
4    Irish Rain           4    58.5    4    4.50     1.5   74    74           74    +0
5    Alado's Pride        7    53.5    5    7.25     0.0   64    67           67    +3
6    Ushuaia              4    58.5    6    8.50     1.5   74    74           74    +0
7    Atkinson Grimshaw    4    60.0    7    8.75     1.5   77    77           77    +0
8    Fire Lord            3    59.0    8    9.25     3.0   75    72           72    -3
9    Matsuyamo            2    56.0    9    12.75    0.0   75    72           72    -3
10   Opera Swing          4    52.0    10   12.80    1.5   58    61           61    +3
11   Coffee Break         3    55.5    11   14.05    3.0   68    65           65    -3
12   Kapuziner            2    57.5    12   17.30    0.0   78    75           75    -3
13   Homer Fidget         4    55.0    13   27.80    1.5   67    67           67    +0
14   Spirit Of Silvano    3    59.5    14   32.30    3.0   76    73           73    -3
99   Ideal Time           3    52.0    99   0.00     3.0   -     58           58    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Alingalonga 74 82 74 +8 1.5 -
2 Euphoric 65 62 73 -11 0.0 -
3 El Romiachi 67 77 73 +4 0.0 -
4 Irish Rain Line 74 71 74 -3 1.5
5 Alado's Pride 64 73 67 +6 0.0 -
6 Ushuaia 74 72 74 -2 1.5 -
7 Atkinson Grimshaw 77 75 77 -2 1.5 -
8 Fire Lord 75 69 72 -3 3.0 -
9 Matsuyamo 75 78 72 +6 0.0 -
10 Opera Swing 58 82 61 +21 1.5 -
11 Coffee Break 68 65 65 ✓ Match 3.0 -
12 Kapuziner 78 74 75 -1 0.0 -
13 Homer Fidget 67 55 67 -12 1.5 -
14 Spirit Of Silvano 76 69 73 -4 3.0 -
99 Ideal Time - 54 58 -4 3.0 -
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