White to move. Play out this position and try to win as White. Try to hold on as Black.
Chess Daily News from Susan Polgar
Unbalanced endgame
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White to move. Play out this position and try to win as White. Try to hold on as Black.
This puzzle crashes my computer !
🙁
White loses on time here… the only thing I can think of 🙁
win as white? if black just pushes his king around the board aimlessly, the only way for white to capture is by giving his rook and thats a draw at best…
White will win.
1. Rd8 Kd4
afterwards White moves his bishop on the from h5 to c1 or d2 till black moved his king to c4. Than the white bishop can occupy the e3 field and black will not be able to hold either the b3 or e4 pawn.
If black moves his king to e5 then white can occupy the c3 filed for his king and the e3 field for his bishop.
And so on.
br
Rainer
Let’s propose these lines :
1.Rd8 Kd4
(1…Kc4 2.Be3 wins)
2.Bf4 (on 2.Bc1 Ke5 3.Kc3 Be6 may resist)
2…Kc5
(2…e3 3.Bxe3 wins)
(2…Kc4 3.Be3 Bc6 4.Rd4+ Kb5 5.Kxb3 wins)
3.Kc3 Kc6
(4…Bc6 5.Kxb3)
4.Be3 Be6
(K cannot move without losing Bd5)
(4…b5 5.Bd4 b4 6.Kxb4)
(4…b6 5.Bf2 b5 6.Bd4)
5.Rd2 Bd5
(5…Bf5 6.Kxb3)
6.Kd4 Kd6
(6…b6 7.Bf4 and e4 is lost)
(6…b5 7.Bf4 and e4 is lost)
7.Bf4 Ke6
(7…Kc6 8.Be5 and e4 is lost)
8.Rb2
and either b3 or e4 is lost,
after what the win is getting easy.
Stephane
I think this line:
1. Rd8 Kd4 (Kc4 2 Be3)
2. Be3+ Kxe3 (Kc4 3.Rd6 ..)
3. Rxd5
4. Kxb3 and white wins – black cant pass his pawns
This puzzle was BOGUS!!!
This puzzle is a lot trickier than the previous ones. I played it for awhile and could not force a White win. Fritz 10 achieved that though.
Can someone real good explain the basic principles here? One thing is clear — if the black pawns end up on white squares, protected by the bishop, the game is drawn… The trick is to prevent such a configuration… And here is where it gets tricky…
D.
Rd8 seems to win regardless:
…Kd4 Be3+! Kxe3 Rxd5 Kf2 Kxb3 +-
…Kc4 Be3 b5 Rd6 +-
I can’t see a way to hold for Black.
sorry 6. Vf5+ stands for 6. Rf5+ of course, i accidentaly used Czech notation 🙂
Ok, sorry for my misleading comment, now i finally see your intended continuation
1. Rd8 Kd4 2. Be3+ Kxe3 (probably it’s better for black to play Ke5) 3. Rxd5 Kf2 4. Kxb3 e3 5. Rf5+ and now when black king cannot go to the e3 square, white easilly wins.
So 2. Be3 is not a mistake after all…
I think
1. Rd8 Kd4 2.Be3+ is no mistake because of 2. … Kxe3 3. Rxd5 Kf2 4. Kxb3 e3 5. Kc2 e2 6. Rf5+ Ke3 7. Re5+! Kf3 (or Kf2) (black K must protected his pawns) 8.Kd2 and now is win for white. (it’s better for black to play 2. … Ke5)
If the King takes on e3 than Black loses. But Black can avoid the Bishop exchange if the King runs awaw after Be3+… It’s a draw.
D.
Im curious. why do all the variations assume black will move Kd4? It does not appear forced. Wouldnt c4 be a better place? what obvious blunder am I missing this morning?
Dan
everyone is avoiding the blockade Be3.
if 1. Rd8 Kc5
2. Be3 and Black only can push the last pawn without losing anything.
Personally I think in response to
1. Rd8 Kd4
2. Ke3+ is wrong Checking on the long diagonal forces Kc4 and then Bc3 blockades on e1.