How can white win this??
2024 ж. 7 Нау.
11 752 Рет қаралды
White is on the move and if he plays this right it will be a victory. How?
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Very instructive
Excellent. Brilliant... Thank you
Probably should have explained why the seemingly obvious Rf2 wasn’t the correct first move.
It works perfectly fine, and there's no rook sac attempt involved there as far as I can tell.
And how to proceed after Black's Ke7?
@@Bernd_B I was thinking Rf7+ Ke8 Rf6. But yeah, I guess my bad, after black goes Re3 you do have to sac on e6. Still, Rf2 on the first move works fine.
@@gghelisstill I don’t understand you. How do you win after Rf2 Ke7 Rf7+ Ke8 Rf6 (how you wrote) Ke7. So what is the winning idea?
@@lajos-berenyi As I said, there indeed is a sac on e6 in the end. After Rf6 you threaten Re6+ pushing the king away which would allow you to go Kf7. Black has to either go back to e7 or go Re3, in both cases you go Re6. So yeah, the winning idea is the same as in the video. So basically you can disregard what I said, except that Rf2 as the first move is still winning.
Why not start off by moving white’s rook to f2? Then, black rook’s attack on either of white’s pawns can be protected by moving white’s king to f7.
Nice!
very nice explanation(like always here)
Thanks!
Doesn't the simple Rf2 first win? Or does Re6 have to be played to stop black from hovering between e7 and e8?
Had to go to the tablebases for this one. After Rf2 Ke7 Rf7 Ke8 Rf6 Ke7, the Re6 idea is still needed. But it seems like a cleaner line - you have Kf7 next and black's rook is less annoying
@@muskyoxes He did say the rook sac was necessary, but he also said it didn't really matter when.
When the rook is on f1 and black rook is on e2, can't black go king e7, and eventually force a draw? All I see is Kh8, Rh2, Kg8, Re2. Or Rf7, Ke8, Re8, Ke7...
Re6 if kxe6 then Kf8 and g7 pawn will promote if rf2+; Ke8 and any move by black is met with g8(Q). If instead of kxe6, rf2 then Rf6 and black rook either takes the rook or abandon the f file. If black rook moves to any file other than e file, then Kf2 and at least 1 g pawn will promote. If re3 then Rf1 if black king moves to e file then Rh1 with Kh1 to follow. So if ke7; Rh1 kf6; Kh7 re7; Re1+ kg5 (ke6 loses due to Re1+ and the rooks are exchanged and the g pawns promote); Rf7 re8; Rf8 re7; Kh8 and white will have a queen either way. If Rf1 the black rook moves to e4 or e5 or e2 then Kf7 re7+; Kf6 re6+; Kg5 re8; Rf8 Re1; g8(Q) and the white king can move to h6 and g7....
Can black draw after 1.Re6 Rf3 2.Rf6 Re3 3.Rf1 Ke7?
Nevermind. 4.Re6+ sac. wins.
After Ke7 the Re6+ sac is possible, but the simple Rh1 also wins. With the idea of Kh8 and g8Q.
The big question in my mind is whether this position can occur with reasonable play. It would appear White got here by moving the lead g-pawn up the board, which is standard technique to reach the Lucena position when White has only one pawn left. When the pawn reached g7 (so far, so good...), White then inexplicably chose to make the win difficult by moving the trailing g-pawn as far as possible when a very simple maneuver was available: play Kf7 or Kh7 followed by Kg6, using the trailing g-pawn to hide from the rook checks. So, no need to know this endgame - it has no practical value.
Well, we don't know what the situation might have been, a move or two - or more - ago. This position might have lain at the culmination of a lengthy exchange of pawns and pieces.
My guess is, most Chess problems are not derived from actual play, Just look at Sam Lloyd. He composed hundreds, if not thousands of problems, with every possible theme used. Do you know his 'A Problematical Question'? After 11 moves, White plays number 12, Black replies, and White is Stalemated, with all pieces still on the board. Brilliant!
@@johannesbluemink4581 That's right, but I think zanti is asking hypothetically.
If the black rook was on g3 instead of h3. How would white win then because 1. Re6 Kxe6 2. Kf8 Rxg6.
Nvm. I think white plays Rh2 instead. White gets the h file.
Re6 is not the only winning move, what the hell.
pretty sure white will inevitably have to play it sooner or later to prevent repetition
Ra2, idea Ra7+ and Rf7 isn't winning?
it does win, but you'll still have to savcrifice the rook on e6 to stop the black king from hovering between e7 and e8
Easy
THE ROOOOOOOOOOOOOOK
I thought moving the rook to f7 would be sufficient but then black would move e8 and white would have to play Rf6 and Re6 anyway.
Rook f2 gets us there much cleaner
Ke7 then.
Pawn promotes to Queen, Black rook to A8 checkmate for Black.