Diamond Jubilee Stakes: Timeform's runner-by-runner guide

Society Rock can regain his Diamond Jubilee crown

Timeform examine the chances of each runner in the Group 1 Diamond Jubilee Stakes on the final day of Royal Ascot...

Was as good as ever when defying a penalty in Group 2 at York on return and the one to beat...

Dandy Boy is a smart sprinter, as shown when winning Wokingham at Royal Ascot and when fourth in Sprint Cup at Haydock last year. Better than bare result both starts this term and considered

Gammarth is a smart French sprinter though has yet to win a race at pattern level, and unlikely to change that here.

Gordon Lord Byron progressed really well last year, his best efforts when second in the Haydock Sprint Cup before winning the Group 1 Prix de la Foret at Longchamp. As good as ever this term and big player.

Havelock is a smart US sprinter who goes well on fast ground. Won a Grade 3 at Keeneland on return before probably finding going too soft next time. Dettori booked but career best required.

Hawkeyethenoo is a strong traveller who can list wins in 2011 Victoria Cup and 2012 Stewards' Cup on CV. Unlucky not to finish closer when fourth in Group 2 at York last time and can't dismiss.

Krypton Factor enjoyed great success at Meydan last year, winning 3 times, including the Dubai Golden Shaheen. Not at best there this term, however, and will do well to better last year's sixth in this race.

Lethal Force has been generally progressive since opening account at Bath, making all in change of headgear in Hungerford Stakes at Newbury. Good second in Group 2 at York on return and has run well at this meeting.

Maarek was much improved last year, winning 5 times, including Group 2 over C&D. Made winning return in Naas listed event and not disgraced since. Needs rain, though.

Reply was third in last year's Irish Guineas. Fine effort in the Greenlands was followed up by him taking a 7f listed race at Naas. Not at best last time, though, and others stronger.

Sirius Prospect was progressive in 2011, winning 5 times. Just as good despite drawing a blank in 2012, but vulnerable at this level, only seventh in this 12 months ago.

Slade Power was progressive when winning 2 listed races last summer. Bit disappointing in Group 2 over C&D in October but back on track when third in Group 3 at the Curragh on return. Still lightly raced.

Society Rock won this in 2011 and made up for luckless run in this event last year when landing Haydock Sprint Cup. As good as ever when defying a penalty in Group 2 at York on return and the one to beat.

Soul goes well in the mud and finished strongly to take Hackwood over 6f at Newbury on heavy. Good second to Mince in Group 3 over C&D when last seen in October but only considered if there's rain.

Intense Pink is a smart filly who enjoyed run of the race when winning 7f listed event at this venue in October. Good third in Lingfield Group 3 on return but probably not up to this level.

Mince was most progressive last year, signing off with a Group 3 win over C&D. Better for return when close third in listed race at Windsor last time and should be spot on now.

Sea Siren is an Aussie sprinter who won 3 Group 1s at home last year. Best effort this term when runner-up in Group 1 at Doomben last month and has to be feared given Australia's record in this race.

Zanetto was second to Glass Office in Kempton Group 3 last term and landed valuable 6f Newmarket sales race in April. Improved again when taking listed race at Newbury but taking big step up in grade now.

Rosdhu Queen was unbeaten at 2, following up Lowther Stakes win when again making all in Cheveley Park at Newmarket. Stamina stretched over 7f on return and respected now back sprinting.

Timeform 1-2-3:
1. Society Rock
2. Dandy Boy
3. Sea Siren

Timeform View:  Society Rock appeals as the most solid choice, though for those willing to take a punt on one at longer odds, Dandy Boy makes some appeal. He's a bit hit and miss overall but showed what he can do on his day when landing the Wokingham and a staying-on fourth in the Haydock Sprint Cup last term. Gordon Lord Byron, Sea Siren and Mince make up the shortlist.

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