Official NHA Assessment

Race 6: RACEHORSE OWNERS ASSOCIATION MR 72 HANDICAP (Open)

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Line Horse
Saipan
Reference for assessment
Exact Matches
0 / 19
Calculated = Official
Close Matches
5 / 19
Within 2 points
Significant Diffs
7 / 19
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Jean Paul            3    53.0    1    0.00     1.5   59    54           59    +0
2    Born A Star          3    56.5    2    2.25     1.5   69    61           61    -8
3    Saipan               5    52.0    3    3.75     0.0   55    55           55    +0
4    Raisetheredlantern   4    54.0    4    5.00     2.0   60    55           55    -5
5    Son Of Zeus          3    59.0    5    6.25     1.5   71    66           66    -5
6    Knave Of Diamonds    3    55.0    6    6.50     1.5   63    58           58    -5
7    Razor Red            3    61.5    7    8.00     1.5   76    71           71    -5
8    Torio Lake           7    58.5    8    8.10     0.0   69    68           68    -1
9    Abayyaan             3    58.5    9    9.35     1.5   70    65           65    -5
10   Question The Stars   3    54.0    10   9.60     1.5   61    56           56    -5
11   Travel Master        4    57.0    11   10.10    2.0   66    61           61    -5
12   FirstAmongEquals     4    56.0    12   11.60    2.0   64    59           59    -5
13   Secret Link          3    55.0    13   12.10    1.5   71    58           61    -10
14   Toureiro             5    52.0    14   12.60    0.0   55    55           55    +0
15   Masterful            6    57.5    15   12.85    0.0   67    66           66    -1
16   Sing Girl Sing       3    59.5    16   13.60    1.5   72    67           67    -5
17   Dhanteras            3    60.0    17   36.35    1.5   73    68           68    -5
18   Undisclosed          5    59.5    18   37.85    0.0   71    70           70    -1
99   Back To You          3    60.5    99   0.00     1.5   -     69           69    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Jean Paul 59 62 59 +3 1.5 -
2 Born A Star 69 64 61 +3 1.5 -
3 Saipan Line 55 52 55 -3 0.0
4 Raisetheredlantern 60 64 55 +9 2.0 -
5 Son Of Zeus 71 81 66 +15 1.5 -
6 Knave Of Diamonds 63 57 58 -1 1.5 -
7 Razor Red 76 63 71 -8 1.5 -
8 Torio Lake 69 67 68 -1 0.0 -
9 Abayyaan 70 94 65 +29 1.5 -
10 Question The Stars 61 51 56 -5 1.5 -
11 Travel Master 66 65 61 +4 2.0 -
12 FirstAmongEquals 64 54 59 -5 2.0 -
13 Secret Link 71 52 61 -9 1.5 -
14 Toureiro 55 66 55 +11 0.0 -
15 Masterful 67 65 66 -1 0.0 -
16 Sing Girl Sing 72 62 67 -5 1.5 -
17 Dhanteras 73 67 68 -1 1.5 -
18 Undisclosed 71 62 70 -8 0.0 -
99 Back To You - 70 69 +1 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