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|Jun-14-18|| ||Whitehat1963: Saw the basic and immediate idea, but I didnít work it out even close to all the way.|
|Jun-14-18|| ||Once: Aha! I've found the rook-winning skewer!
In human mode, the line I struggled with was this one:
24. Nd6 Rd5 25. Rxe7 Qd3+ 26. Qxd3 Rxd3 27. Nf5 g6
click for larger view
At the limit of my calculating range, I couldn't see how white could rescue both of his attacked pieces.
With Fritzie turned on and a diagram in front of me, I spotted 28. Rxh7. Now if 28... gf 29. Rh8+ wins the a8 rook with our signature tactic of the week.And if 28...Kg8 29. Rg7+ followed by Rxg6 and the knight is saved.
It's another of those puzzles where the first few moves are simple but the follow-up is a little more complicated than it first looks.
|Jun-14-18|| ||takchess: I saw the knight move and blacks forced rook move response. Trouble was I felt there was a knight fork but didnt quite see how it worked. Also investigated 1.Rd3 but that lead nowhere.|
|Jun-14-18|| ||Mayankk: I was distracted by the potential strength of 24 Rxe7 Kxe7 25 Qxc6 threatening both Rooks as well as Qd6+. |
Must be of no use as no one even mentioned it.
|Jun-14-18|| ||OhioChessFan: <Maynkk> I had a look at that also, not sure why I didn't go for the Knight move first, but Rxe7 in the middle of the board seemed like a good starting point. The big problem with the line you suggested is giving up the d3 square.|
24. Rxe7 Kxe7 25. Qxc6 Qd3+ 24. Kb2 Qd5 defends both Rooks.
<24. Ka1> Rd8 and Black just piles up on the d file.
In both cases, the Rooks are defended, Black remains the exchange up, and the White King is in real trouble.
|Jun-14-18|| ||malt: Got 24.Nd6 Rd5 25.R:e7 Qd3+
(25...K:e7 26.Nf5+ )
(25...R:d6 Qf7# )
26.Q:d3 R:d3 27.Nf5
|Jun-14-18|| ||ChessHigherCat: Just to bring my notation into line with other sentient beings:
24. Nd6 threatening the rook. If Bxd6?? <Qf7#> monsoons on black's parade.|
So only moof: 24... Rd5 blocking the mating diagonal
25. Rxe7 Kxe7 (...Rxd6??? 26. Qf7#) 26. Nf5+ with a royal fork
|Jun-14-18|| ||thegoodanarchist: Great puzzle today. Very educational.
Mr. Jones and Me.
|Jun-14-18|| ||ChessHigherCat: Hi <once>, <ocf> and <malt>|
With the painful clarity of the light of day, I see the possibility of forcing the queen trade with 25..Qd3+
Does this work?
25...Qd3+ 26. Qxd3 Rxd3 27. Nf5 g6 28. Rxh7 Kg8 29. Rg7+ Kf8 or Kh8 30. Rxg6
Now everything's covered and white's a piece up
|Jun-14-18|| ||Sally Simpson: A wonderful example showing the strength of a Rook on the 7th rank.|
|Jun-14-18|| ||mel gibson: I saw another solution -24.Qxc6
I checked it on Stockfish 9 & it works.
The White Queen wins a pawn & a Rook straight away.
I also let the computer play on at 6 seconds each side per move &
White quickly demolished Black.
(24. Qxc6 Re8
25. Qxb5 (♕c6xb5 ♕e3xe4+ ♕b5-d3 ♕e4xg2 ♖h1-d1
h7-h5 ♖d7xa7 h5-h4 ♕d3-d5 ♕g2xd5 ♖d1xd5 ♔f8-f7 b4-b5 g7-g5 h2-h3 ♔f7-e6
c3-c4 g5-g4 h3xg4 h4-h3 ♖d5-d1 e5-e4 a2-a4 h3-h2 ♔b1-c2 ♖e8-c8 ♔c2-c3
♖c8-h8 ♖d1-h1 ♗e7-c5 ♖a7-c7 ♗c5-g1 a4-a5 ♖h8-d8 ♖c7-h7) +2.76/26 185)
score for White +2.76 depth 26
|Jun-14-18|| ||morfishine: Sometimes, things are too obvious
|Jun-14-18|| ||mel gibson: <Jun-14-18
Premium Chessgames Member morfishine: Sometimes, things are too obvious
Yes - takes a pawn, attacks 2 Rooks & defends the Knight.
Why didn't everyone see that like I did?
|Jun-14-18|| ||Marmot PFL: First three moves are easy but black keeps fighting and the finish has to be accurate from white.|
|Jun-14-18|| ||chrisowen: Doors divot uvsus nd6us dufflog lunks rd5us dunkus evicts re7us eggshead rd8us dunkhoods lunks to it dives 25Qd3+ drubber keyus clung ebbon ducks dikey 4 it ok oinks ousts keyin lunkus rf7us flungoff kg8us ghosthunt lunksus rg7us goodlung kh8us hunthoods lunks to it finishy 27Kf8 bigus doves dones lunksus flushoust 6 ousts lunks to it giveinsy 28.Rg3 klubs gourd 8 ousts keyin doors rodus blush bagus tagus vatican vipus pivot
pawns nuffs keyin junks lucks lemons clemz it's vasts fritz keyin thens packy keyus warmed it's vasts minds keyon finish fifth kents payus wayus
mandy fadus knews zincs zipus kepts keyus wizzy danks fewus fezus thyus wimps winks wands dawns nd6us dufflog dikey keyin doors rodus blush bugus
grubs uvsus bagus gates tagus vivas flavs vatican viaus pivot whips pawns nuffs keyin joffy junks lucks cells lecture mecks lemons clemz it's vasts
fritz keyin thens packy keyus warmed it's vasts dikey lunks to it dive 24.Nd6 Rd5 25.Rxe7 Rd8 cogents ebbus lunksus dunkhoods iffys fives keyus
fount flung nd6us dublong duckout keythen kinds keyin keyus duldrum dufflog dugoust dutchus clods evers nd6us docklug donthug doorlug doursus doots dutch donts flush hoofs huffs goofs guffs lunks to it biv 23Rb5
daddy codes bounty keyin 4 it ok oinks ousts lunks to it fiv 23Qf4 cains codes fount 0 ousts keyin lunks to it dives 25Qd3+ drubber keyus clung
ebbon ducks dikey 4 it ok oinks ousts keyin foods funds keynub flogs gulch hudus hound hogus huggy duffs foods flood dunks ducks lunks to it
finish 26.Rf7+ jodhod flungoff lunks to it givein 26Kg8 27.Rxg7+ jastha gunghood lunks to it hiveins 27Kh8 biggy lunksus hunthoods lunks to it
finishy 27Kf8 bigus drown ebbus keyon lunksus flushoust 6 ousts loots keyus lunks to it giveinsy 28.Rg3 klubs gourd 8 ousts keyin jogus jodpur goods dugus jugular nodus dikey court clock cosys coulds motor johns ducks hoods blush foxin buffs clomp beyond poors dutys query botty bouts keyus butty bunts trouble keyon hoofs huffs flush huhus hohus forth cobus
block butch keychoose clubs pouts keyus pubus umsus eeljut flock hutch guffs keyus doors nd6us dufflog!|
|Jun-14-18|| ||Carlos0012358: <agb2002> your line C) works well through 27.Nf5, but from there I would have played 27.....a5, 28.Rxg7 axb4, 29.Rxh7 Kg8, 30.Rb7 Rd2, 31.Nh6+ Kh8, 32.Ng4 Raxa2......
Attacking the white king with both rooks.
Let me know what you think.
|Jun-14-18|| ||Jimfromprovidence: <wtpy> <Nice combo which I saw through Rg7+. Playing through the game I was stumped briefly by 27.. Kh8 but then saw Rg3 which allowed Gawain to consolidate his gains.>|
If 27...Kh8, 28 Rg3 below is better than you realized.
click for larger view
It wins the queen because of the threat 29 Nf7#
|Jun-14-18|| ||morfishine: <mel gibson...Why didn't everyone see that like I did?> Perhaps the move <24.Nd6> was first seen by most. This happens often in these positional problems emanating from real games vs a puzzle created from scratch|
|Jun-14-18|| ||wayndom: From the position shown, doesn't 24.Qe6 end the game faster? 24...Re8, 25.Nd6|
Am I missing something here?
|Jun-14-18|| ||morfishine: <wayndom> Awkward is <24...Qxe4+> 25.Kb2
Rxb4+ 26.cxb4 Qxb4+|
|Jun-14-18|| ||njchess: 24. ♘d6! ♖e5 ▢ 25. ♖xe7! +- Black has few if any good moves at this point. Perhaps 25. ... ♕d3+, forcing the queen trade, is the best of the worst. More likely, he should just resign.|
|Jun-14-18|| ||OhioChessFan: <morfishine: Sometimes, things are too obvious
<mel gibson: Yes - takes a pawn, attacks 2 Rooks & defends the Knight. Why didn't everyone see that like I did?>
24...Re8 25. Qxb5 Qxe4+ 26. Qd3 Qxg2 and Black still has a pulse.
click for larger view
24...Rab8 and White has a lot of worries of a perpetual.
24...Rbb8 and both Rooks are defended, and Black intends Rc8. White is much better, but I don't see this as clearly winning as the game line.
Anyway, that's 3 lines for White to think over and none of them seem as clear cut as the game line.
|Jun-14-18|| ||et1: All the combination looks like magic In the final position white threatens Kf7 "! with fork and winning the Rook or mating. Amazing !|
|Jun-15-18|| ||mel gibson: < I don't see this as clearly winning as the game line.>|
True - but it's still a solution.
|Jun-15-18|| ||agb2002: <Carlos0012358: <agb2002> your line C) works well through 27.Nf5, but from there I would have played 27.....a5, 28.Rxg7 axb4, 29.Rxh7 Kg8, 30.Rb7 Rd2, 31.Nh6+ Kh8, 32.Ng4 Raxa2...... Attacking the white king with both rooks.
Let me know what you think.>
The possibility 27... a5 didn't occur to me but in your line the natural 33.Rxb4 leaves Black a knight down without compensation. For example, 33... Rxg2 34.Nxf6 Rxh2 (to prevent h4-5-6) 35.Rh4+ Rxh4 36.Rxh4+ Kg7 37.Nh5+ Kg6 38.Kxa2, etc.
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