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Rooks ending puzzle

Mottian

#1 Jul 2, 2012

White to play! Enjoy.
Mottian

#2 Jul 4, 2012

I suggest you try to solve this, it's very nice :)
Scottrf

#3 Jul 4, 2012

Hmm, I don't see any forcing moves to win, and white has a lot of replies to anything that's not a check. Obviously white's b pawn can't move, and I think the king and b rook look fairly well placed to stop black's promotion.

I'd probably play d7 but no idea what black would reply with.
Mottian

#4 Jul 4, 2012

1.d7 Rxb2+
Scottrf

#5 Jul 4, 2012

2. Rxb2 cxb2 3. d8=Q+

If Rb8, Qxd2.

If Ka7, Rxb7+
Mottian

#6 Jul 4, 2012

1.d7 Rxb2+ 2.Rxb2 b3+
Scottrf

#7 Jul 4, 2012

Am I on the right line?

3. Rxb3 Rxb3 4. d8=Q+ Rb8 5. Qxb8+ Kxb8 6. Rd3
Mottian

#8 Jul 4, 2012

No, black cannot allow white to promote, ever.

I'll play some more straightforward moves.

1.d7 Rxb2+ 2.Rxb2 b3+ 3.Rxb3 d1=Q+ 4.Kxd1 Rxd7+ 5.Rxd7 c2+. What then? ;)
Scottrf

#9 Jul 4, 2012

Tricky. Well, Kxc2 or Kc1 draw by stalemate.

I'd try Ke1 and block the check with the rook. Then I think black's losing as the king is stuck on the a file, queen has no checks and you're threatening Ra1 and winning the queen.
Mottian

#10 Jul 4, 2012

Exactly :)
Scottrf

#11 Jul 4, 2012

Nice! Thanks for that.

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