Official NHA Assessment

Race 6: RACING TODAY MR 74 HANDICAP (Open)

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Line Horse
Guerilla Warfare
Reference for assessment
Exact Matches
3 / 10
Calculated = Official
Close Matches
5 / 10
Within 2 points
Significant Diffs
2 / 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    Chieftain's Shield   4    60.5    1    0.00     2.0   75    78           75    +0
2    Deception Pass       4    57.5    2    0.30     2.0   74    77           77    +3
3    War Reporter         3    59.0    3    2.55     4.5   72    72           72    +0
4    Guerilla Warfare     3    60.5    4    2.95     4.5   75    75           75    +0
5    Mocha Frappe         2    57.5    5    3.25     0.0   69    78           78    +9
6    Unsolved Riddle      3    60.0    6    3.95     4.5   77    73           73    -4
7    American Beauty      2    58.5    7    4.20     0.0   77    79           79    +2
8    Pretty Analia        5    54.5    8    4.80     0.0   63    70           70    +7
9    Frangipani           2    60.5    9    5.00     0.0   81    82           82    +1
10   Peregrine Falcon     4    60.0    10   10.50    2.0   74    77           77    +3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Chieftain's Shield 75 80 75 +5 2.0 -
2 Deception Pass 74 77 77 ✓ Match 2.0 -
3 War Reporter 72 72 72 ✓ Match 4.5 -
4 Guerilla Warfare Line 75 75 75 ✓ Match 4.5
5 Mocha Frappe 69 68 78 -10 0.0 -
6 Unsolved Riddle 77 77 73 +4 4.5 -
7 American Beauty 77 77 79 -2 0.0 -
8 Pretty Analia 63 61 70 -9 0.0 -
9 Frangipani 81 80 82 -2 0.0 -
10 Peregrine Falcon 74 74 77 -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