Official NHA Assessment

Race 3: PLAY SOCCER 6, 10 AND 13 FM 85 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Chroniclesofnania
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
5 / 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    Rose Of Bayeux       3    57.5    1    0.00     8.5   80    62           80    +0
2    Rimaah               2    57.5    2    0.25     0.0   81    79           79    -2
3    Chroniclesofnania    5    56.0    3    2.50     0.0   78    78           78    +0
4    Tried And True       5    53.5    4    2.60     0.0   73    73           73    +0
5    Easy Living          2    57.5    5    5.10     0.0   81    79           79    -2
6    Twice To Heaven      3    60.0    6    5.20     8.5   85    67           75    -10
7    Double Destiny       2    58.0    7    6.20     0.0   82    80           80    -2
8    Pinnacle             2    59.5    8    6.30     0.0   85    83           83    -2
9    Princess Of Fire     4    55.0    9    6.80     6.0   75    62           65    -10
99   Rainbow Thief        2    55.5    99   0.00     0.0   -     75           75    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Rose Of Bayeux 80 77 80 -3 8.5 -
2 Rimaah 81 70 79 -9 0.0 -
3 Chroniclesofnania Line 78 60 78 -18 0.0
4 Tried And True 73 75 73 +2 0.0 -
5 Easy Living 81 52 79 -27 0.0 -
6 Twice To Heaven 85 72 75 -3 8.5 -
7 Double Destiny 82 77 80 -3 0.0 -
8 Pinnacle 85 93 83 +10 0.0 -
9 Princess Of Fire 75 75 65 +10 6.0 -
99 Rainbow Thief - 71 75 -4 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