Official NHA Assessment

Race 8: NEXT VAAL MEETING THURSDAY 6 MARCH MR 66 HANDICAP (Open)

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Line Horse
Sail The Sky
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
1 / 14
Within 2 points
Significant Diffs
9 / 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    Phala Millions       4    53.5    1    0.00     5.0   53    53           53    +0
2    Sail The Sky         4    59.5    2    0.30     5.0   65    65           65    +0
3    Juniper Green        4    61.5    3    0.60     5.0   69    69           69    +0
4    Oriental Bouquet     4    57.0    4    2.60     5.0   60    60           60    +0
5    Twice As Wild        6    54.0    5    4.60     0.0   54    64           64    +10
6    Written In Stone     9    60.5    6    5.30     0.0   67    77           77    +10
7    Jet Cat              9    55.0    7    5.60     0.0   56    66           66    +10
8    Oklahoma Twister     4    60.5    8    7.00     5.0   67    67           67    +0
9    Stroke Of Mercy      5    58.5    9    7.25     0.0   63    73           73    +10
10   Dakota Cat           2    57.5    10   11.25    3.0   61    65           65    +4
99   Circus Lights        5    61.0    99   0.00     0.0   -     78           78    +0
99   Gal Gadot            8    52.0    99   0.00     0.0   -     60           60    +0
99   Eye Catching         4    52.0    99   0.00     5.0   -     50           50    +0
99   Good To Great        3    61.5    99   0.00     4.5   -     70           70    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Phala Millions 53 66 53 +13 5.0 -
2 Sail The Sky Line 65 62 65 -3 5.0
3 Juniper Green 69 87 69 +18 5.0 -
4 Oriental Bouquet 60 56 60 -4 5.0 -
5 Twice As Wild 54 51 64 -13 0.0 -
6 Written In Stone 67 67 77 -10 0.0 -
7 Jet Cat 56 60 66 -6 0.0 -
8 Oklahoma Twister 67 71 67 +4 5.0 -
9 Stroke Of Mercy 63 52 73 -21 0.0 -
10 Dakota Cat 61 61 65 -4 3.0 -
99 Circus Lights - 64 78 -14 0.0 -
99 Gal Gadot - 50 60 -10 0.0 -
99 Eye Catching - 48 50 -2 5.0 -
99 Good To Great - 56 70 -14 4.5 -
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