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Black is lost I think.
Does 1…Rxd3 not simply win for black?
1. -, Rxe3? 2. Bxe4 and white gets the better end game e.g.
2. -, Rxe1+ 3. Kf2!, Rc8 (what else?) 4. Rxe1, Rxc7 (what else as the pawn on e7 is attacked?) 5. Rg1
I have not found anything easy but I do not see any good moves for white after 1. -, Rxb7!? 2. c8Q, Rxe3!? (now!?).
This is a very complicated position and I am not sure if I can calculate everything out.
Re1+ (if the queen does not recapture back which gives black material advantage) and Rxb2 are a big threat, so there are only two lines I see:
The “normal try” 3. Qd2 (defending b2 without giving black the time to force Re1+ 4. Qxe1 as after 3. Qb1? or 3. Qf2?) and 3. Qh3+(!).
3. Qd2, Rb5 looks crushing!?
Better seems to be 3. Qh3+!, Bh6!! (is this a good move? I hope so.) and white can’t secure boths queens as the e queen mustn’t give up the pin (e.g. 4. Qd2?, Rxh3) but 4. Qxe3, Qxe3+ 5. Qxe3, Bxe3 leaves black a bishop up.
Interesting one, I have absolutely no idea what I overlooked, any opinions to these lines?
After Jochen’s 1..Rxb7 2 c=Q I suggest
2..Bh6 instead of 2..Rxe3.
It prepares a discovery check by
3..Bxe3+ 4 Kg2 Rf8+ followed by
RxQ.
I did not see a defense for B
(3 h3 Bxe3+ 4 Kh2 Rf2+ and B should
give its Qe1 to avoid mat).
Olimat
why not Rxb7 white queens and then Rxb2
Sharp eyes
what about queen takes bishop?
i agree with the last comment. my evaluation: =/+ or -/+
1… qxb7! (very simple) 2. cbq qxb8 black is a pawn down, but in every continuation I considered white has problems cause of h1 rook which is out of play while f file belongs to black
3. kg2? qb7 -+
3. b3? qf4 -+
3. qh4+ kg8 4 qxe7 qxb2 4. qd8+ rf8looks indefendeble
4. qe4 rf4 5. qe6 kh7+ and now what? simply protecting b2 is a huge problem, and there are other threats like qg5 and qe2 (6. b3 qd8 or qb5)
it’s a very difficilt defense for white with a plan like ng2, h3 kh2 — white will lose all q-side pawn and will be lucky to get a draw
1… rxb7 2. c8q rxe3 is a very interesting idea but 1… qb7 would be my choice
PS 1… rf1+ looked great until i saw nxf1! +- 🙂
alex
thanks for your support, but i guess in the game the move that was played was rook takes bishop.
My previous suggestion was wrong
because of the Ng2 or Nc2 defense.
However this should work:
1 ..Rxb7 2c=Q Tb5! with two
variants:
a) 3Ng2 Bd4+ and after the sac
mat follows
b) 3h4 Rxe3 4 Qd2 Re1+ 4Kf2 Rf5+
and so on…
Olimat
Looks as if in this position after 1. -, Rxb7 2. c8Q there are multiple ways for black to continue.
The proposes went from 2. – Rxe3 to 2. -, Bh6 over to 2. -, Rb5.
They all seem connected as they all appear in my previous post (Bh6 and Rb5 in later lines after my proposal Rxe3).
In my eyes they all look strong so perhaps we should now not only try to find the winning line(s?) for black but also the not losing lines for white so better watch out for defenses in our supposed lines. Perhaps we overlooked anything?
Anybody finding a good defense against Rxe3? Against Bh6? Against Rb5?
Or are they all winning?
Really interesting one, I’d really appreciate working this out with you. 🙂
Best regards from Germany
Jochen
Sorry I forgot the fourth proposal 2. -, Rxb2.
So we’ve got Rxe3, Bh6, Rxb2 and Rb5 as our four candidate moves for black.
[Does the word “candidate move” exist in english?]
I took another look and after asking myself what to play after 1. -, Rxb7 2. c8Q, Bh6 3. Ng2 I now read, Olimat already posted this line.
So there are only three (?) candidate moves left.
How does black proceed after
1. -, Rxb7 2. c8Q, Rxb3 3. Nc2!?
All checks seem to be impossible and Qxc2 allows Qh4+ with at least draw by perpetual for white.
Ano 4:16 can you give a line to your proposal?