Problem p06472
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see solution

Technical Merit
Rating2000.1
RD10.5
To Play
Statereleased
 
Artistic Impression
Star Rating4.7
Stars
Votes18

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Star Ratings
DateTacticianRatingStars
2007-05-02 20:20:51ostap1697
2007-08-22 13:57:01mastermind20071359
2008-04-05 02:13:14Arthurrocks1801
2008-08-11 19:51:13Thossk1875
2008-11-09 12:22:09tomohawk1818
2009-01-02 13:50:11jokim2000
2009-08-24 21:15:12Theodor1830
2009-09-14 17:57:08chris20011732
2010-06-07 09:39:31CLance2000
2011-07-18 14:08:36Improchess2051
2012-04-11 19:23:12SirRick1703
2012-08-29 12:55:01destroyer11359
2012-09-29 17:05:53Garryback1679
2014-02-27 10:29:44werewolf1802
2014-05-09 17:00:57jhelix701456
2015-03-14 14:04:52ds3431427
2016-01-22 18:41:46grom431839
2016-07-12 18:30:56Matthias1648

Comments
DateTacticianRatingComment
2007-05-02 20:20:51ostap1697resloved by inadvertance 
2007-08-22 13:56:54mastermind20071359sacrificing the rook....VERY nicely done! 
2008-04-05 02:13:14Arthurrocks1801Very very tricky, but interesting problem. One of the best for it's rating, that for sure. 
2008-08-11 19:51:13Thossk1875nice ending 
2008-09-25 09:44:11busht2003nice 
2009-01-02 13:50:11jokim2000Excellent 
2012-04-11 19:23:12SirRick1703I like the way 1)rook cleares squares for the Queen 2) knight does the same! 16,9 sec 
2014-11-22 15:36:17Improchess2051if 1...Nf4+ 2.Qxf4! 

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Crafty 19.19 3GHZ 5sec

1. Nxd6 Rh5+
({9:-Mat05} 1. ... Rh5+ 2. Kg4 Rh4+ 3. gxh4 Qg2+ 4. Kh5 Nf4+ 5. Qxf4 Qg6# $19)
({9:+1.69} 1. ... Rf4 2. Nxb7 Rxd4 3. c5 Rd2 4. c6 Ne7 5. c7 Nc8 6. Nd8 $18)
2. Kg4 Rh4+
({7:-Mat04} 2. ... Rh4+ 3. gxh4 Qg2+ 4. Kh5 Nf4+ 5. Qxf4 Qg6# $19)
({7:+5.85} 2. ... Qg2 3. Kxh5 Qxh2+ 4. Kg4 Qe2+ 5. Kh3 Qxa2 6. Ra1 Nf4+ 7. Kg4 $18)
3. gxh4 Qg2+
({5:-Mat03} 3. ... Qg2+ 4. Kh5 Nf4+ 5. Qxf4 Qg6# $19)
({5:+7.24} 3. ... Qe7 4. Kh3 Nxh4 5. Rg1+ Ng6 6. Qf4 $18)
4. Kh5 Nf4+
({4:-Mat02} 4. ... Nf4+ 5. Qxf4 Qg6# $19)
({4:+6.26} 4. ... Qxh2 5. Rg1 Qe2+ 6. Kg5 Qxa2 $18)
5. Qxf4 Qg6#
({4:-Mate} 5. ... Qg6# $19)
({4:+10.45} 5. ... Qe2+ 6. Qg4+ Qxg4+ 7. Kxg4 Kg7 8. c5 bxc5 9. Rxc5 Kg6 $18)