Official NHA Assessment

Race 4: CLASSIC DAY 5 MARCH MR 71 HANDICAP (Open)

Line Horse
Call Me Master
Reference for assessment
Exact Matches
0 / 16
Calculated = Official
Close Matches
5 / 16
Within 2 points
Significant Diffs
10 / 16
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Ablueazure           3    54.5    1    0.00     5.0   75    50           75    +0
2    Call Me Master       8    56.5    2    0.05     0.0   64    64           64    +0
3    Flying Grace         4    60.0    3    0.45     2.5   71    71           71    +0
4    Ball Rolling         5    52.0    4    0.70     0.0   60    60           60    +0
5    Flinders Range       3    53.5    5    1.70     5.0   68    51           58    -10
6    Secret Giver         4    58.0    6    3.30     2.5   67    63           63    -4
7    Kool Baikal          5    58.5    7    3.80     0.0   68    69           69    +1
8    Qunetra              4    60.0    8    4.10     2.5   71    67           67    -4
9    Kurt's Approval      7    49.5    9    4.60     0.0   55    50           50    -5
10   DutchessBurnedette   4    55.5    10   5.70     2.5   62    57           57    -5
11   Absolute Value       3    55.5    11   5.90     5.0   72    52           62    -10
12   Wedding Bliss        4    56.0    12   7.10     2.5   63    58           58    -5
13   Blue Meteor          3    56.0    13   30.60    5.0   73    53           63    -10
99   Kings Cup            8    55.5    99   0.00     0.0   -     62           62    +0
99   Cherokee Chief       5    52.0    99   0.00     0.0   -     55           55    +0
99   Waltzing Al          6    52.0    99   0.00     0.0   -     55           55    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Ablueazure 75 76 75 +1 5.0 -
2 Call Me Master Line 64 65 64 +1 0.0
3 Flying Grace 71 63 71 -8 2.5 -
4 Ball Rolling 60 59 60 -1 0.0 -
5 Flinders Range 68 71 58 +13 5.0 -
6 Secret Giver 67 75 63 +12 2.5 -
7 Kool Baikal 68 67 69 -2 0.0 -
8 Qunetra 71 83 67 +16 2.5 -
9 Kurt's Approval 55 60 50 +10 0.0 -
10 DutchessBurnedette 62 64 57 +7 2.5 -
11 Absolute Value 72 84 62 +22 5.0 -
12 Wedding Bliss 63 56 58 -2 2.5 -
13 Blue Meteor 73 73 63 +10 5.0 -
99 Kings Cup - 57 62 -5 0.0 -
99 Cherokee Chief - 49 55 -6 0.0 -
99 Waltzing Al - 45 55 -10 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