tag:blogger.com,1999:blog-13118012.post5097214669061828177..comments2023-11-03T04:57:40.606-05:00Comments on Susan Polgar Global Chess Daily News and Information: Difficult brain challengeChess Daily Newshttp://www.blogger.com/profile/08623733406361333715noreply@blogger.comBlogger9125tag:blogger.com,1999:blog-13118012.post-1701740072961761262014-04-29T08:00:18.184-05:002014-04-29T08:00:18.184-05:00Qf6+, Kg8 2)Nd8 Bg7 3)Qf7+ Kh8 4)QE8+ & WINS
...Qf6+, Kg8 2)Nd8 Bg7 3)Qf7+ Kh8 4)QE8+ & WINS<br /><br />1)Qf6+ kh6 2)Nce5 threatening Nf7+ or Ng4+ , de5 3)Ne5 qe2 4)Nf7+ kh5 5)Qg5#<br /><br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-13118012.post-183967015382397732014-04-28T19:00:11.744-05:002014-04-28T19:00:11.744-05:00what's the rating of this puzzle? does any on...what's the rating of this puzzle? does any one know?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-13118012.post-79657523574385590862014-04-28T18:59:13.577-05:002014-04-28T18:59:13.577-05:00what's the rating of this puzzle?what's the rating of this puzzle?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-13118012.post-32556275491447913512014-04-28T10:12:16.343-05:002014-04-28T10:12:16.343-05:001.Qf6+.
A-1....Kh6?.2.g4.Qxc3.3.Qxc3.and white wi...1.Qf6+.<br /><br />A-1....Kh6?.2.g4.Qxc3.3.Qxc3.and white wins as he has a Q vs R+B plus a mating attack; moreover the black knight is quite lost which will leave white with Q vs R.<br /><br />B-1....Kg8..2.Nxf8!<br />• If B1-2...Kxf8.3.Qh8#<br />• If B2-2...Rxf8.3.Ne7#<br />• If B3-2...Qxc3.3.Qxc3. and white wins as in A1; white has Q vs R+B with a loss of knight on the way.<br />• If B4-2...Nb3/c2.3.Ne6!!.<br />o If B41-3..fxe6.4.Ne7#<br />o If B42-3..Qxc3.4.Ne7#<br />o If B43-3..any other move.4.Qg7#<br />• If B5-2...Re8..3.Ne6!!<br />o If B51-3..fxe6.4.dxe6.<br /> If B511-4...Rf8?.4.Ne7#<br /> If B512-4...Qxc3.5.white can win by Qc3 as in A1 or even by 5.Qf7+.Kh8.6.Qxe8+.Kg7.7.Qf7+.Kh6.8.e7 and making a new queen while black king is still in a mating net! amusing alternative here is 5.e7!.Qg7.(Rxe7 allows 6.Qf8#!) 6.Qxe8+.Qg8.7.Qxg8.Kxg8.8.e8=Q+<br /> If B513-4...Rxe6.5.Qxe6+ and black wins easily with Rf3 etc.<br />o If B52-3..Rxe6.4.dxe6.<br /> If B521-4...Qxc3. 5.Ne7+.Kf8. 6.Qxf7#<br /> If B522-4...Bxc6.5.Qxf7+.Kh8. 6.Qf8#<br />o If B53-3...Qxc3.4.Qxc3 and white wins easily as in A1 etc<br />o If B54-3...any other move..4.Qg7#<br />• If B6-2...Bxc6.3.Ne6!!<br />o If B61-3...fxe6.4.Qxe6+.Kg7. 5.Rf3!.<br /> If B5611-5...Rf8.6.Qe7+.Kh3.7.Qxf8+.Kh5 and white will mate black king (if 7...Qg7.8.Qf4+.g5.9.Qxd6+.Kh5.10.g4+!. and white mates)<br /> If B5612-5...Rxc6.6.Qf7+.Kh3. 7.Qf8+.Kh5 and white will mate black king<br />o If B62-3...Qxc3.5.Qxc3.fxe6. 6.dxc6 and white wins easily as in A1 above (now even simpler)<br /><br />HarryAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-13118012.post-5935721876723895742014-04-28T08:57:28.525-05:002014-04-28T08:57:28.525-05:00This is really really difficult. Nakamura might be...This is really really difficult. Nakamura might be having a problem solving this puzzling puzzling puzzle.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-13118012.post-62314645825401025222014-04-28T06:58:40.670-05:002014-04-28T06:58:40.670-05:001.Qf6+ Kg8
2.Nd8 Rxd8
3.Qxd8 h6
4.Qxf8+ Kh7
5....<b>1.Qf6+ Kg8 <br />2.Nd8 Rxd8 <br />3.Qxd8 h6 <br />4.Qxf8+ Kh7 <br />5.Nf6# </b> almost everything is forced.PROF.S.G.BHATnoreply@blogger.comtag:blogger.com,1999:blog-13118012.post-11369645345106001002014-04-28T03:12:21.786-05:002014-04-28T03:12:21.786-05:00In my first post it seems I had a black rook on a8...In my first post it seems I had a black rook on a8. It isn't there.<br /><br />1. Qf6+ Kh6 (Kg8? Nd8! goes down clearly faster)<br />2. g4! Qe2! (preventing Qf3 and now black has a threat with the bishop as well as Q(x)g4 threat)<br />3. g5+ Kh5<br />4. Qh8!<br /><br />Here I don't think black finds a way out of it. Qg4+ Rg3 should not help at all. E.g:<br /><br />4. ... h6<br />5. Nxf8! Rxf8<br />6. Qxf8! Kxh4 (otherwise Rg3)<br />7. Qxh6+ Kg4<br />8. Rg3#<br /><br />Interesting.phtnoreply@blogger.comtag:blogger.com,1999:blog-13118012.post-12926933731733642942014-04-28T02:41:00.893-05:002014-04-28T02:41:00.893-05:001. Qf6+ Kg8 (alternative below)
2. Nd8!!
The thre...1. Qf6+ Kg8 (alternative below)<br />2. Nd8!!<br /><br />The threat is Rxc3/Qxc3? Qxf7+ Kh8 Qxf8#.<br /><br />2. ... Rxd8 (what else?)<br />3. Qxd8 h5 (only against Qxf8#)<br />4. Qxf8+ Kh6<br />5. Nf6#<br /><br /><br />1. Qf6+ Kh6<br />2. g4!!<br /><br />The threat is g5+ Kh5 Qf3+ Kxh4 Qf4+ Kh5 Rh3#. There should only be delaying sacks. Be7/Bg7 prevents nothing.<br /><br />2. ... Qxc3 (what else?)<br />3. Qxc3 a2 (otherwise the threat was the same)<br />4. g5+ Kh5<br />5. Qf3+ Kxh4<br />6. Qg3+! Kh5<br />7. Kh3! Ra3 (what else?)<br />8. Qxa3 Nb3/Nc2<br />9. Qxa2<br /><br />1 - 0<br /><br />There could be other variations, but generally the two ideas Nd8 or g4 after Qf6+ look "waterproof" to me...phtnoreply@blogger.comtag:blogger.com,1999:blog-13118012.post-83330976728303553682014-04-27T23:16:13.385-05:002014-04-27T23:16:13.385-05:001.Qf6+ Kg8 2.Nd8!
Or 1...Kh6 2.Nd4!1.Qf6+ Kg8 2.Nd8!<br />Or 1...Kh6 2.Nd4!Anonymousnoreply@blogger.com