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Happy Valley · 2024-01-04 · 12:45

Race 4

Class 4 GOOD 1650m Course A 12 runners

Race 4 at Happy Valley on 2024-01-04 was Class 4 over 1650m, run on GOOD going. SURE JOYFUL, ridden by M F Poon and trained by P F Yiu, won by 3/4, with WIN WIN FIGHTER second and AMAZING BOY third. The winner closed strongly from off the pace. The 3.9 favourite DRAGON STAR finished 7th.

Result

Official · 1.41.50
Pos No. Horse Draw Odds Margin
1 10 SURE JOYFUL Closed strongly 1.41.50 ▶ Replay (opens in new tab) M F Poon · P F Yiu 8 6.6 3/4
2 7 WIN WIN FIGHTER Closed strongly B C Y Ho · K W Lui 1 6.6 3/4
3 11 AMAZING BOY Closed strongly B2/TT K C Leung · C W Chang 2 18.0 1-1/4
4 3 KASA PAPA Closed strongly TT C L Chau · T P Yung 7 9.5 1-1/4
5 12 SUPERB MOVE Led early B/TT Y L Chung · C H Yip 11 21.0 1-1/4
6 6 NOBLE WIN E/XB A Badel · J Size 4 6.7 1-1/2
7 2 DRAGON STAR V/XB K Teetan · P C Ng 5 3.9 1-3/4
8 1 PRINCE ALEX SR/XB/TT A Atzeni · D J Whyte 6 8.8 2-3/4
9 9 STRONGEST BOY B/TT L Hewitson · D A Hayes 9 7.9 3
10 8 FORTUNE PRESIDENT M Chadwick · Y S Tsui 3 32.0 4-1/4
11 4 KILLER INSTINCT TT L Ferraris · C Fownes 10 40.0 6-1/4
12 5 MERCHANT PRINCE V/TT K H Chan · J Richards 12 137.0 6-1/2

Race shape

Beaten lengths
1. SURE JOYFUL2. WIN WIN FIGHTER+0.75L3. AMAZING BOY+1.25L4. KASA PAPA+1.25L5. SUPERB MOVE+1.25L6. NOBLE WIN+1.5L7. DRAGON STAR+1.75L8. PRINCE ALEX+2.75L9. STRONGEST BOY+3L10. FORTUNE PRESIDENT+4.25L

Model ratings

Backtest · wf-2023-24
The model's top pick DRAGON STAR (24.1%) finished 7th — the winner SURE JOYFUL was rated #7. Out-of-sample backtest: this board was produced by a model trained only on seasons before this race — it never saw this result.
Rank No. Horse Win % Rated price Pos
1 2 DRAGON STAR 24.1% 4.15 7
2 7 WIN WIN FIGHTER 18.1% 5.52 2
3 9 STRONGEST BOY 8.5% 11.74 9
4 6 NOBLE WIN 8.1% 12.31 6
5 1 PRINCE ALEX 7.4% 13.54 8
6 3 KASA PAPA 7.3% 13.75 4
7 10 SURE JOYFUL 7.3% 13.77 1
8 11 AMAZING BOY 5.9% 16.89 3
9 12 SUPERB MOVE 4.9% 20.43 5
10 8 FORTUNE PRESIDENT 4.2% 23.65 10
11 4 KILLER INSTINCT 3.5% 28.25 11
12 5 MERCHANT PRINCE 0.7% 153.24 12
DRAGON STARWIN WIN FIGHTERSTRONGEST BOYNOBLE WINPRINCE ALEXKASA PAPASURE JOYFUL — wonAMAZING BOYSUPERB MOVEFORTUNE PRESIDENTKILLER INSTINCTMERCHANT PRINCE

Model vs market

Each dot is a runner: model probability across, market-implied probability up. Dots on the dashed line mean the two agreed; the gold ring is the actual winner.

Ratings are statistical estimates for analysis, not betting advice — the backtest shows no profitable edge against the Hong Kong win market. How the model works →

Dividends

Per $10 unit

WIN

10 66.5

PLACE

7 22.5

10 22.5

11 60

QUINELLA

7,10 249.5

QUINELLA PLACE

7,10 85

7,11 209

10,11 260.5

FORECAST

10,7 459

TIERCE

10,7,11 10,837

TRIO

7,10,11 1,941

FIRST 4

3,7,10,11 3,543

QUARTET

10,7,11,3 79,685

All pools (2 more)

2ND DOUBLE TRIO

5,8,9/7,10,11 99,492

3RD DOUBLE

5/7 58

5/10 989