Official NHA Assessment

Race 5: 4RACING.TV CLASSIFIED STAKES (For horses with nett rating of 75 and below)

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Line Horse
In Cahoots
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
5 / 14
Within 2 points
Significant Diffs
6 / 14
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    Prairie Falcon       3    58.0    1    0.00     4.0   72    61           61    -11
2    Admiralty Arch       3    60.0    2    2.75     4.0   72    67           67    -5
3    In Cahoots           6    60.0    3    4.25     0.0   74    74           74    +0
4    Irontail             4    60.0    4    6.25     2.0   72    69           69    -3
5    Circus Lights        5    54.5    5    7.00     0.0   69    62           62    -7
6    Eagle Alley          4    53.5    6    9.00     2.0   65    56           56    -9
7    Bird In Space        2    56.0    7    9.25     0.0   78    65           68    -10
8    Lady Sanza           3    52.0    8    10.00    4.0   61    49           51    -10
9    Rio's Kiss           3    50.5    9    11.25    4.0   61    46           51    -10
10   Vava Vegas           5    58.0    10   11.40    0.0   78    69           69    -9
11   Twice As Wild        6    50.0    11   12.40    0.0   53    53           53    +0
12   Whorly Whorly        7    60.0    12   12.75    0.0   74    73           73    -1
13   The Chosen One       2    56.0    13   15.25    0.0   75    65           65    -10
14   Never To Clever      4    56.0    14   26.25    2.0   67    61           61    -6
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Prairie Falcon 72 78 61 +17 4.0 -
2 Admiralty Arch 72 77 67 +10 4.0 -
3 In Cahoots Line 74 54 74 -20 0.0
4 Irontail 72 64 69 -5 2.0 -
5 Circus Lights 69 64 62 +2 0.0 -
6 Eagle Alley 65 58 56 +2 2.0 -
7 Bird In Space 78 66 68 -2 0.0 -
8 Lady Sanza 61 58 51 +7 4.0 -
9 Rio's Kiss 61 52 51 +1 4.0 -
10 Vava Vegas 78 58 69 -11 0.0 -
11 Twice As Wild 53 51 53 -2 0.0 -
12 Whorly Whorly 74 78 73 +5 0.0 -
13 The Chosen One 75 52 65 -13 0.0 -
14 Never To Clever 67 64 61 +3 2.0 -
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