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|Feb-11-15|| ||zb2cr: I considered 22. Qxe6, but hen realized that 22.Rd8+ is much more forcing. Black must respond with 22. ... Rxd8. Now, the Queen capture on e6 is much better, since it's now check. The White Bishop on e4 is key to the position, as it controls Black's flight square on b7. That leaves him with just two moves, 23. ... Kb8 or 23. ...Rd7. Both result in an easily seen mate.|
a. 23. ... Kb8; 24. Rxd8#.
b. 23. ... Rd7; 24.Qxd7, Kb8; 25. Qd8#.
|Feb-11-15|| ||TrollKing: This was a Monday grade Wednesday puzzle: but I'll take it.|
|Feb-11-15|| ||TheaN: Wednesday 11 February 2015 <22.?>|
Surprisingly easy Wednesday, that doesn't require much explanation. White clears c8-h3 with <22.Rd8+ Rxd8> to follow <23.Qxe6+ Rd7 24.Qxd7+ Kb8 25.Qd8# 1-0>.
Black seems lost pretty soon, although such positions can sometimes have more resources than it seems at first sight. After the manouvre Nb4? & Qc5 black dooms himself even more though.
|Feb-11-15|| ||wooden nickel: <A sacrifice is best refuted by accepting it. -Steinitz>...
after 11.Bxh7 KxBh7 and then?
22.Rd8+ leads to a clean forced mate in 4 and is therefore the best choice, after the best 2cnd choice 22.Qxe6 the only try for Black is 22. ... c6 and the now White has to take his pick... several moves win!
click for larger view
|Feb-11-15|| ||Halldor: I soon found 22 Qf3!! a brilliant double threat,
a) 22... Rxf3 23 Rd8#
b) 22... Rh8 23 Bb7+ Kb8 24 Rd8+ Rxd8 25 Rxd8#
(Nxa2+ Kb1 doesn't change anything)
What? Nobody seems to like this move, hm..., I must have made some stupid mistake. Oh dear, the black Queen protects the rook on f8, what a blindness. Gone is a brilliant Queen sacrifice...
|Feb-11-15|| ||Penguincw: Wow. This is pretty easy for a Wednesday puzzle (or maybe it isn't Wednesday).|
22.Rd8+ Rxd8 23.Qxe6+ Rd7 24.Qxd7+ Kb8 25.Qd8# 1-0.
Been a while since I started 3/3.
|Feb-11-15|| ||griga262: Easier than yesterday, no?|
|Feb-11-15|| ||TheTamale: No offense to anyone who didn't get it (and I've missed some pretty obvious puzzles), but this was the easiest Wednesday puzzle I've ever done. I would have actually seen this OTB! I guess this is why Charlick has been ducking my challenges...|
|Feb-11-15|| ||psmith: <wooden nickel>
Try these: 11.Bh7 Kh7 12. Ng5+ Kh6 13. Qd3 Bxg5 14. hxg5+ Kxg5 15. Rh7 with a strong attack... though Black may be able to survive!
or 12... Kg8 13. Qh5 Re8 14. O-O-O -- white has surprisingly easy time building up an attack here with moves like Rh3-f3 or Rd3-f3....
or 12... Bxg5 13. hxg5+ Kg8 14. Qh5 Re8 15. Nb5! (Rybka) and White's attack is winning.
|Feb-11-15|| ||Castleinthesky: An easier puzzle as I usually look to see what the other side is threatening, in this case black is threatening mate in 1 so white has to respond with a mating attack. In this puzzle the key is removing the king as a defender of the rook. Consequently, the move sequence Rd8 followed by Qxe6 is essential.|
|Feb-11-15|| ||Bubo bubo: Black's back rank turns out to be weak:
22.Rd8+ Rxd8 23.Qxe6+ and mate after either 23...Kb8 24.Rxd8# or 23...Rd7 24.Qxd7+ Kb8 25.Qd8#
Distinctly easier than the usual Wednesday!
|Feb-11-15|| ||gawain: Doubled white rooks suggest trying 22 Rd8+, and that is the right move. Simple.|
|Feb-11-15|| ||Lambda: Having noticed Qxe6+ possibilities, I first looked at 22. Rxc7+, and that wins easily too; 22... Kxc7+ quickly leads to mate after 23. Qxg7+, and after 22...Qxc7 23.Qxe6+ Kb8 24.Rd7 black cannot save his queen, has to work hard just to escape mate, and is bound to lose at least a rook more in the simplified position which results. At worst, white ends up with queen and a pawn or three for a rook.|
|Feb-11-15|| ||patzer2: Blackburne's play is impressive considering it's a simultaneous exhibition win in 1885 against a strong player, Henry Charlick, who is credited with winning the Australian championship in 1887. |
Looking at the game with the computer, Black's clearly decisive mistake was declining the sacrifice 11. Bxh7+! (diagram below)
click for larger view
After 11...Kf7 12. Ne5+! (+3.48 @ 19 depth, Fritz 12) it's an easy mop up operation and win for White.
Instead, Black has to find the difficult line 11...Kxh7 12. Ng5+ Kh6! (not 12... Kg8? 13. Qh5 Re8 14. Qf7+ Kh8 15. O-O-O Nd7 16. Qh5+ Kg8 17. Nxe6 Rxe6 18. Qxd5 Ne5 19. Qxa8 )
click for larger view
Here (i.e. after 11...Kxh7 12. Ng5+ Kh6!) Fritz indicates strong play might continue 13. Qd3 Bxg5 14. hxg5+ Kxg5 15. Rh7 Rg8 16. Qf3 Qf8 17. Qg3+ Kf6 18. O-O-O Qd6 19. Qh4+ Kf7 20. Rd3 Ke8 21. Nb5 Qe7 22. Qxe7+ Kxe7 23. Nxc7 Bb7 24. Rg3 Kf7 25. Nxa8 Bxa8 26. Rgh3 =.
An interesting try earlier is 7...Nc6!? (instead of 7...b6), when a strong player might have been able to win following the unsound sacrifice Blackburne likely had prepared after 7...Nc6!? 8. e5 Be7 9. h4 f6 10. Ng5 fxg5 11. Bxh7+?!
See Blackburne vs NN, 1894 where Blackburne indicated he had won twice the year before (i.e. 1884) in the line 7...Nc6 8. e5 Be7 9. h4 f6 10. Ng5 fxg5 11. Bxh7+?!
P.S.: My solution to today's Wednesday puzzle was 22. Qxe6 which wins easy after 22. Qxe6 c6
(22... Kb8 23. Rd8+ Rxd8 24. Rxd8#; 22... Nc6 23. Bxc6 ; 22... Nxa2+ 23. Qxa2 a5 24. Rd8+ Rxd8 25. Qe6+ Kb8 26. Rxd8+ Ka7 27. Rxa8#)
23. R7d5+ Kb7 24. Rxc5 bxc5 25. a3 Na2+ 26. Qxa2 .
Of course much quicker is Blackburne's simul speed continuation 22. Rd8+! Rxd8 23.Qxe6+ Rd7 24.Qxd7+ Kb8 25.Qe8#.
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22...Rxd8 23.Qxe6+ be mate in two
|Feb-11-15|| ||houtenton: The wrong thing about this problem is that white better had to play 17.Qg5! giving black a chance to exchange the Queens and let him have still some pleasure in playing chess. It reminds me of playing simul against (with) children in a funny chesslesson, where they have still
no idea that the situation is totally hopeless and they won't go home yet. Poor mister Henry Charlick had to give up after his move Qe7 and then go home quickly.|
|Feb-11-15|| ||gars: Too easy for a Wednesday, <diagonalley> is right.|
|Feb-11-15|| ||Chess Dad: I got this today by noticing two rather large clues.|
Clue #1. Black threatens Qxc2#.
Clue #2. Whites LSB controls b7.
With clue #1, it's "check or die." That limits the options to Bb7, Rxc7 or Rd8.
With clue #2, I realized that a back row mate is possible, since b7 isn't a retreat square for the black king.
Both Bb7 and Rxc7 go nowhere pretty quickly.
But after 22. Rd8+ Rxd8 23. Qxe6+ black must either interpose or move, since taking the Qe6 is impossible.
Interpose can only be done by 23...Rd7 and that fails to 24. Qxd7+ Kb8 25. Qd8#
Moving 23...Kb8 fails immediately to Rxd8#.
So, I'm glad I'm starting to notice more clues in the puzzles. Now I just need to translate that to OTB where most moves aren't mate in four.
|Feb-11-15|| ||Edeltalent: <Clue #1. Black threatens Qxc2#.
Clue #2. Whites LSB controls b7.>
Clue #3. Bishops also move backwards ;-)
|Feb-11-15|| ||Edeltalent: <Halldor: I soon found 22 Qf3!!>
<What? Nobody seems to like this move, hm...>|
The engines like it! (Not that there are many moves they don't like in this position ;-))
|Feb-11-15|| ||YouRang: Say what you will, but 22.Qxe6 was the first idea that jumped at me. I noticed that it worked, so I stuck with it. I actually like the cool threat of double-check mate via Rd8++#!|
++ = double check
# = mate
! = cool
Sure, it may be a tad slower, but those of us who have a slightly perverse tendency toward sadistic chess actually see slowness as a virtue.
|Feb-11-15|| ||Chess Dad: Yeah, ok, so I didn't notice that Qxc2 isn't checkmate.|
So I'll claim ABA. Answer by accident.
|Feb-11-15|| ||sleepyirv: When I looked at the puzzle, I said to myself "Black castled to the wrong side." Color me surprised when I found out that was not the case!|
An unusual, but simple mating pattern on the basis that White controls Black's fianchetto diagonal.
|Feb-11-15|| ||TheBish: Blackburne vs H Charlick, 1885|
White to play (22.?) "Medium/Easy"
White has a forced mate.
22. Rd8+! Rxd8 23. Qxe6+ Rd7
One move faster is 23...Kb8 24. Rxd8#.
24. Qxd7+ Kb8 25. Qd8#.
|Feb-12-15|| ||optimal play: Charlick's record against Blackburne was [+1 =3 -5]|
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