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September 08, 2018

Chess Thread 09-08-2018

Ana Vitoria Rothebarth 01.jpg

Ana Vitória Rothebarth, Brazil

Pic Note

Doesn't she look nice? I had idea who she was when I first saw her picture on this page. According to her FIDE page, she's a Brazilian chess player who's not quite a master yet. She has that wholesome, girl-next-door look that I like a lot. Which you can see a bit better if you click on the photo.

As always, the chess/dress pr0n thread is an open thread, so there is no such thing as an off-topic comment.

Easier Problem - Black To Play (Ch. 4203)

Hint: Eliminate the defender

20180908 - Problem 1.jpg
5k2/2q2prp/5p1B/3Q1R2/8/6PK/2r4P/8 b - - 0 1

More Challenging Problem - White To Play (773)

Hint: be thinking of how to force a draw by threats of stalemate and perpetual check

20180908 - Problem 2.jpg
8/8/8/8/5qpk/4p3/4Q1P1/7K w - - 0 1

Dress Pr0n For The 'Ettes:

20180908 dress pr0n 01.jpg

(click for enlarged view)

(h/t Mai)

20180908 dress pr0n 02.jpg

20180908 dress pr0n 03.jpg

20180908 dress pr0n 04.jpg

20180908 dress pr0n 05.jpg


Solutions Update

Easier Problem - Black To Play

20180908 - Problem 1.jpg
5k2/2q2prp/5p1B/3Q1R2/8/6PK/2r4P/8 b - - 0 1

The decision tree for this problem doesn't fork. Every move by White is forced:

2.Kxh2 Qxg3+
3.Kh1 Qg1#

Pretty straightforward.

More Challenging Problem - White To Play

20180908 - Problem 2.jpg
8/8/8/8/5qpk/4p3/4Q1P1/7K w - - 0 1

Black's extra pawn on the e-file looks menacing, but as it turns out, there's nothing he can do to keep White from forcing a draw:

1.g3+! Qxg3

Not 1...Kxg3?? because 2.Qh2+ Kf3 3.Qg2#

2.Qf2 Kh3
3.Qf1+ Kh4
4.Qf6+ Kh3
5.Qf1+ Kh4
6.Qf6+ Kh3
7.Qf1+ draw by perpetual check

If, instead of 2...Kh3, Black tries pushing the e-pawn, he still will not be able to avoid perpetual check:

3.Qf6+ Kh3
4.Qh6+ Qh4
5.Qe3+ g3 (if 5...Qg3 then 6.Qh6+ Qh4 7.Qe3+ Qg3 8.Qh6+ Qh4 9.Qe3+ draw)
6.Qxe2 Qh7
7.Qh2+ gxh2 draw by stalemate

There are some other lines, but the bottom line (heh) is that Black's king simply won't be able to find a haven from White's queen's relentless pursuit.

Hope to see you all next week!


Note: that cryptic line of letters and numbers you see underneath each board diagram is a representation of the position in what is known as "Forsyth-Edwards Notation", or F.E.N. It's actually readable by humans. Most computer applications nowadays can read FEN, so those of you who may want to study the position, you can copy the line of FEN and paste into your chess app and it should automatically recreate the position on its display board. Or, Windows users can just "triple click" on it and the entire line will be highlighted so you can copy and past it into your chess app.


So that about wraps it up for this week. Chess thread tips, suggestions, bribes, rumors, threats, and insults may be sent to my yahoo address: OregonMuse little-a-in-a-circle yahoo dott com.

digg this
posted by OregonMuse at 05:17 PM

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