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|May-26-15|| ||diagonalley: hard for a tuesday|
|May-26-15|| ||jith1207: I think there are more than one way to win but the line in the game seems to be a good one And limits the possibility of an escape for black more unrealistic. I missed that queen striking bishop actually opens a mating net for White's rook. I seem to miss a lot of such vision while playing the game through in my mind. That's just one of the weaknesses in my game. And a Tuesday puzzle exposing that to me doesn't bode well for the week ahead. :-O|
|May-26-15|| ||jith1207: The final position in the game line is so beautiful that all white pieces are under attack and have no support yet black cannot capture a piece and stop being mated. As the saying goes, "the opponent can only capture your piece one at a time ". Even if black doesn't capture any one of White's three pieces and moves king to Kg8, 41. Rg7+ Kf8 42. RxQ does it for white.|
|May-26-15|| ||jith1207: <diagonelly> I love reading your honest comments Always. Of late, I'm noticing a trend in this website that Tuesdays always give me a tricky challenge even more than some of the days later in the week. Can't appreciate the Admin enough for finding such gem of a puzzle every time. Now that tricky Tuesday is done for the week, I gleefully look forward to whacky Wednesday. ;-)|
|May-26-15|| ||morfishine: Took me awhile to finally figure out <39.Rxf6> is the way to go|
39...Qxe4 40.Rxf7+ Kg8 (40...Qxd4 41.Re8#) 41.Rg7+ Kf8 42.Rxe4 and White is up a rook
|May-26-15|| ||zb2cr: 39. Rxf5 seems to win a Rook for White.|
|May-26-15|| ||CHESSTTCAMPS: In this opposite-colored bishops middle-game, white is attacking (with the black king in a tight spot), so Botvinnik's dictum applies: white is effectively a piece ahead. Black would appear to have the critical f-pawn sufficiently protected, but there are overloads and discovered checks in play.|
39.Rxf6! wins decisive material:
A) 39... Qxe4 40.Rxf7+ Kg8 (Qxd4 41.Re8#) 41.Rg7+ Kf8 42.Rxe4 a2 43.Ra7 Bf7 (otherwise 44.Bg7+ forces mate) 44.Rxa5 and white retains an extra R+2Ps with no danger from black's a-pawn.
B) 39... R6xf6 40.Qxe7 Rxe7 41.Rxe7 and Rf6 falls.
C) 39... Kg8 40.Rxc6 Qxe4 41.Rxe4 Bd4 42.Rc8+ Rf8 43.Rg4+ Kf7 44.Rg7+ cleans up.
D) 39... R7xf6 40.Qxe7
|May-26-15|| ||patzer2: Interesting and instructive Ruy Lopez game for today's (39. ?) Tuesday puzzle. Here's my look with Deep Fritz 14x64 (i7-4790 4 CPU @ 3.6 GHz):|
<25...Nf6?> Black succumbs to the Spanish torture with this positional error, allowing <26. Nxf6 gxf6 27. Re3! > (+1.26 @ 24 depth).
Instead 25... Kh8 29. Qd6 Rxf5 = to (+0.29 @ 25 depth) keeps it about level
<38...Qe7> This makes it an easy win for White.
Black can put up more resistance with 38...Rd6, when White has to work harder to find a winning continuation like 39. Rg3! a2 40. Bxf6+! Rdxf6 41. Qxc4 Rxf5 42. Qd4+ R7f6 43. Re2! Qb8! 44. Kh2! h5 45. Rxa2 Qe5 46. Qc4 Qd5 47. Qc8+ Rf8 48. Qc1! Kh7 49. Rd2 Qe6 50. Rd4! Rg8 51. Qc7+ Rf7 52. Qxa5 Rf5 53. Qc7+ Rf7 54. Qc5 Rf5 55. Qc2 Rxg3 56. fxg3 Kg7 57. Qd3 (+10.12 @ 29 depth).
<39. Rxf6!!> This solves our Tuesday puzzle.
The tempting 39. Qxe7 equalizes after 39...Rxe7 40. Rxe7 hxg6 41. fxg6
White can also win with 39. Rb1! when play might go 39..hxg6 40. Qxc6 Bd3 41. Rb8+ Kg7 42. Re8 Qb4 43. Bxf6+ Rxf6 44. Qc7+ Rf7 45. f6+ Kxf6 46. Qe5#.
If 39... Qxf6, perhaps the strongest winning reply is 40. Qe8+! Kg7 (40... Rf8 41. Qxf8+ Bg8 42. Qxf6+ Rxf6 43. Bxf6#) 41. Re4! as play might continue 41...Qxd4 (41... Rf8 42. Rg4+ Kh6 43. Bxf6 Rcxf6 44. Qe3+ Kh5 45. Qg5#) 42. Rxd4 Rfc7 (42... a2 43. Rg4+! Rg6 44. Qe5+! ) 43. Rd7+ Kh6 (43... Rxd7 44. Qxd7+ Kf8 45. Qxc6 ) 44. Qe3+ Kh5 45. g4+ Kh4 46. Qg3+ Kg5 47. h4+ Kf6 48. Qc3#.
<40. Rxf7+!> Not 40. Rxe4? Rfxf6 =.
Black resigns in lieu of 40...Kg8 (40... Qxd4 41. Re8#) 41. Rg7+! (Not 41. Rxe4? Kxf7 =) 41... Kf8 42. Rxe4 (+10.05 @ 21 depth).
|May-26-15|| ||whiteshark: <diagonalley: hard for a tuesday> Agreed!|
|May-26-15|| ||patzer2: Though <13. Bb7> had nothing to do with Black losing this game , an alternative opening choice I find interesting is 13...Bd7 = as in Black's win in M Szelag vs D Howell, 2015.|
|May-26-15|| ||Penguincw: Damn it, am I the only one who's 0/2 this week?
Anyway, the line I chose was was 39.Rg8+ Kxg8 40.Qg4+ Rg7 41.Rxe7 Rxg4 42.hxg4, which isn't really a bad line, but it's drawish.
|May-26-15|| ||starry2013: Now I know it's not a checkmate week I can look differently.|
BxF6 seems like it would be the move but it didn't seem to work for me. I ended up winning but not really through as big an advantage as I expected. No doubt there is some better way, but still, I won from here...
1. Rxf6 2.Qxe4 Rxe4 3.Rfxf6 Bxf6+ 4.Rxf6 Rxc4 5.Rxf5 Ra4 6.Rd5 Rxa3
|May-26-15|| ||wooden nickel: 39.Rb1! is tempting, because QxQ, then Rb8+ leading to mate and
If 39... hxg6, then 40.Qxc6 would lead to a strong position for White
click for larger view
But like Lasker says <If you see a good move look for a better one.>
39.Rxf6!... best try for Black is Qxf6, after trading down
click for larger view
the White pawn majority will conquer!
|May-26-15|| ||patzer2: <wooden nickel> Good comments! Enjoyed your post. |
However, after looking at 39. Rxf7!! Qxf6 40. Qe8+! or 39. Rxf7!! Qxf6 40. Qh4! in depth with Fritz, it would seem Black is likely to get mated before White's pawn majority comes into play.
|May-26-15|| ||jhoro: <Penguincw: Damn it, am I the only one who's 0/2 this week?>|
You are not alone. Never had I been 0/2 on CG before. I must be getting dumber much faster than I thought
|May-26-15|| ||wooden nickel: <patzer2>Thanks, I'm sure you're right...
I had following in mind 39.Rxf6 Qxf6 40.Bxf6+ Rfxf6 41.Qe8+ Bg8 42.g4
where White's pawn majority dominates the game.
click for larger view
|May-26-15|| ||gars: No, <jhoro>! I blundered today too!|
|May-26-15|| ||gars: <Penguincw> and <jhoro>: my line was 39) Qxe7, Rxe7;
40) Bxf6+, Rg7 and 41) Re8#|
Sixty-eight years plus a badly slept night equals stupidity! That's elementary Arithmetic...
|May-26-15|| ||BOSTER: < jith1207: I'm noticing
a trend im this website>.
The first move and forced answer in the most CG puzzles is not difficult to see, or guess.
So, the real puzzle begins from second move.
|May-26-15|| ||kevin86: A little too complicated for Tuesday! I'm still trying to figure this one out.|
|May-26-15|| ||patzer2: <jhoro: <Penguincw: Damn it, am I the only one who's 0/2 this week?>
You are not alone.> I'll confess I'm only one for two this week, and that may only be because I remembered analyzing the Monday Queen trap puzzle here a decade ago.|
For today's Tuesday puzzle (39.?), I guessed 39. Rxf6!! and saw as far as 40. Rxf7 where Black resigned. But in the final game position, after 40...Kg8, I only visualized 41. Rxe4? Kxf7 =.
What I was overlooked is the in-between (a.k.a. intermezzo or zwischenzug) tactical shot 40..Kg8 41. Rg7+! King moves 42. Rxe4 .
P.S.: I'm sure I would have seen 40...Kg8 41 Rg7+! if I played it out and seen the position after 40..Kg8 OTB. However, trying to visualize the in-between tactic 40...Kg8 41. Rg7+! before playing 39. Rxf6!! was a blind spot in my calculation.
Guess I need more practice on combinations involving in-between moves in the follow-up.
|May-26-15|| ||Mating Net: Very good puzzle, tough but doable for the real tactical tigers among us. Sadly, I did not find the right combo today, but it was an instructive struggle.|
|May-26-15|| ||chrisowen: Loots f6 lush am rooks forgers ahead,
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love and cares am duck paddles around f7 light rook ahead bins have for won in every good chance at fly in cutoff point padre chin b5 on us have spark at I'm afraid ash question 38...Qe7 ego have good b5 alive go be a good while go build cog ever are cage over,
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|May-26-15|| ||Bubo bubo: White loads a battery against the black king with 39.Rxf6, and Black is short of a good response:|
A) 39... Qxe4 40.Rxf7+ Kg8 (or 40...Qxd4 41.Re8#) 41.Rg7+ Kf8 42.Rxe4, White being up one rook.
B) 39... Rcxf6 40.Qxe7 Rxe7 41.Rxe7, and since the pinned Rf6 is lost, White again wins a rook.
C) 39... Rg7 40.Qxe7 Rxe7 41.Rf8# and 39...Rfxf6 40.Qxe7 are also pointless.
|May-26-15|| ||Cheapo by the Dozen: I'm another one who found this hard for a Tuesday. I didn't get it until I'd forgotten about it and returned to the puzzle.|
Pretty amazing position, actually. Every piece on the board looked like it was hanging in some plausible line or other.
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