White to move and checkmate black in ….. You figure it out 🙂 No computer assistance please! Time yourself to see how long it takes you to find the solution. 
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9. Rh5#
Ok, not enough coffee yet (pesky bishop). Let’s try 12. Rh8# instead
Mate in 4
Rf2…Pg2, BxP…Ke3,Rf3 …Ke4,Rxg3mate
Took three tries ,less than ten minutes,after I discarded Rh2
Rf2…Ke3,Rf3…Ke4,Rxg3. Mate
it’s a beautiful theme of double check & discovered check together. Once u got the idea, u can follow in my head the remaning move (it’s total 12 moves mate!) & the beauty is : it construct a ladder formation.
1. Rf2++ Ke3 2. Rf3++ Ke4 3. Re3++ Kd4 4. Re4++ Kd5 5. Rd4++ Kc5 6. Rd5++ Kc6 7. Rc5+
Kb6 8. Rc6++ Kb7 9. Rb6++ Ka7 10. Rb7++ Ka8 (…Ka6 11.Ra7#)11. Ra7++ Kb8 12. Ra8# 1-0
PS : ++ is double check
Regards, FhunFi – from Indonesia
I found mate in 8 beginning with Rf2+:
1. Rf2+ Ke3
2. Rf3+ Ke4
3. Re3+ Kd4
4. Re4+ Kd5
5. Rd4+ Kc5
6. Rd5+ Kc6
7. Rc5+ Kb6
8. Rb5#
Time it took me to solve: 1 minute.
I wound up with the same solution with Fhunfi. As for the mate in 8 moves, what about 8…Ka6?
Oops! My solution is yet mate:
8. … Ka6 saves the king
I need to revise to:
8. Rc6+ Kb7
9. Rb6+ Kb7
10. Rb7+ Ka8 (Ka6 11. Ra7#)
11. Ra7+ Kb8
12. Ra8#
HK, yep, I caught that. Funfhi was correct!
Nice job FhunFi! Forgot about the double checks.
12 moves it is.
You guys are too smart 🙂
Best wishes,
Susan Polgar
http://www.PolgarChess.com
http://www.SusanPolgar.com
Mat en 12 coups messieurs !
Merci Susan !
Susan!
Please check a couple of questions I have under r your post at Nov 17th “candid interview”.
http://www.blogger.com/publish-comment.do?blogID=13118012&postID=113143473349010881&r=ok
Re: animated DVD release Date, and how to introduce chess for ONLY one hour to a dozen 6 year old girls in an entertaining way.
Also ARE you ustill sendiou out a chess email and how to get it.
1. Rf2+ Ke3
2. Rf3+ Ke4
3. Re3+ Kd4
4. Re4+ Kd5
5. Rxe2+ Be4
6. Bxe4#
Is that it? 11 minutes.
Tommy Says:
Susan I really wish you would stop these people from constantly leaving their blog or web addresses here. they are all just looking for free advertising and it just does not belong here. maybe you can delete them. I dont know what you can do.
I did not find the answer to this one but I did play over the solution and it is a fun amazing solution.
Actually I have not yet had a full correct solution on any of them yet. but I have enjoyed them all so far.
keep up the wonderful work. bet those kids can work these out.
Tommy
No mate in 6 🙂
Best wishes,
Susan Polgar
http://www.PolgarChess.com
http://www.SusanPolgar.com
draw in three: The pawns can interpose too. Instead of 5… Be4, black has the option of 5… e4. Now if 6. Bxe4 then … Bxe4 saves black.
took me less than 1 minute… but it was a neat one. Double checks rule!
12.Ra8#
–vc
Nice stair (or ladder?)
White, Flights of Fancy, 1919