Official NHA Assessment

Race 2: BET WITH TOTE MAIDEN PLATE (For all Maidens)

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Line Horse
Twocantango
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
9 / 11
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    Royal Sword          2    57.0    1    0.00     0.0   -     81           6     +6
2    Jet Blackfire        2    57.0    2    1.30     0.0   -     84           84    +84
3    Twocantango          3    56.0    3    1.35     8.5   65    65           65    +0
4    Sunnybills Ferrari   3    57.0    4    2.05     8.5   -     67           67    +67
5    Cape Cannery         3    57.0    5    2.35     8.5   -     66           66    +66
6    Cheerscheerscheers   3    57.0    6    2.95     8.5   -     66           66    +66
7    Doin' Time           5    60.0    7    3.15     0.0   58    89           89    +31
8    Mount Kennedy        3    57.0    8    3.65     8.5   -     65           65    +65
9    Off The Charts       2    57.5    9    5.15     0.0   65    82           82    +17
10   Mr Pleasure          3    60.0    10   7.75     8.5   -     70           70    +70
11   Mr Razzle            3    58.5    11   19.35    8.5   -     67           67    +67
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Royal Sword - 87 6 +81 0.0 -
2 Jet Blackfire - 76 84 -8 0.0 -
3 Twocantango Line 65 69 65 +4 8.5
4 Sunnybills Ferrari - - 67 -67 8.5 -
5 Cape Cannery - - 66 -66 8.5 -
6 Cheerscheerscheers - 77 66 +11 8.5 -
7 Doin' Time 58 54 89 -35 0.0 -
8 Mount Kennedy - 65 65 ✓ Match 8.5 -
9 Off The Charts 65 65 82 -17 0.0 -
10 Mr Pleasure - 45 70 -25 8.5 -
11 Mr Razzle - 38 67 -29 8.5 -
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