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1. d6
if 1… Rxf3
2. Rxe5 R3xf2
3. Rg5 Rfd2
4. R5d5 Rxg2+
5. Kf1 Rgf2
6. Ke1 Rh2
7. R5d2 Rh1+
8. Kf2
and white’s d pawn should win.
if
3. d7 Rxg2+
4. Kf1 Rgf2+
5. Ke1 Rh2
wins for black. white will need to take the king to h1 (4. kh1, Rh2+, 5. Kg1, Rbg2+ 6. Kf1 Rb2 7. Kg1 perpetual).
if 1. d6 Qxc5 (instead of 1… Rxf3)
2. Qxf6 Qc2
3. Qf3
white has f2 and the rook guarded and the d pawn should win.
d6 Qxc5
Qxf6 Rd2
Rxd2 Qc1+
Rd1 Qxd1
Kh2
this is an interesting problem.. it points out king protection.. the most important move was actually Rd1.
The reason is that it puts the black queen on the d1 to h5 diagonal.. This prevents any future checks by the black queen and allows for the promotion of the pawn..
it is clear that blacks only chance is a perpetual check and its your job to prevent that..
The very first thing I would look at is pushing that pawn:
1. d6 Qc5
The options are clearly worse for black: [1. …Rf3 2.Re5 Rff2 3.d7! Rg2 (or 3. …Rfd2 4.Rd2 Rd2 5.Re8+-) 4.Kf1 and the white king will find shelter at e1 protected by the e5 rook, and with the pawn queening with check, black has no time for Rh2 threatening mate]; or [1. …Qd6 2.Qa8! Rb8 3.Rd6! wins a queen for a rook for white]; or [1. …Qe6 2.d7 Rf3 3.d8Q Kg7 4.gf3+-]. Continuing:
2. Qf6 Rd2
I looked at this for a while, and it is this or Qc2 since white has a powerful attack on the black king otherwise that will force black to give up the queen for white’s rook and pawn- for example: [2. …Rb6 3.Re1! Qd6 (or 3. …Qc8 4.Re7! Qf8 5.Qe5+-) 4.Re8 Qf8 5.Rf8+-]. The alternative of 2. …Qc2 is no better to my eye, but it is more complicated, I think, and I am not really sure that I am seeing everything involved here: [2. …Qc2 3.Qd4 Rb8 4.d7 Rd8 5.Re1! Qc6 (only hope) 6.Re7! g5 7.g3! (the idea is to secure the position of white’s king to prevent a perpetual) 7. …h6 8.Qe5 (if white tries this move at move 7 in this line, things are a mess after f6 and 7.g3 solved this mess for me, I hope) 8. …Rf8 9.Qf5 Qa8 10.Rf7! Rf7 11.Qg6 Kf8 12.Qd6 and white will win black’s queen for a rook and the pawn, but this line is very complex and I might well be missing better lines for both players]. Continuing:
3. Rd2 Qc1
4. Kh2 Qd2
Now, the question is back on white- what is the best way to proceed? White wants to support the pawn’s advance by placing his queen on e7, but this leaves white open to a perpetual starting with Qf4+ and white will either get checked from the 1st rank after Kg1/h1, or from f2 after g3. So, white must do some preparation to secure his king. What exactly, I don’t really know right now. I need more time than I have at the moment, but I would probably look at either 5.h4 or 5.Kg3 as a way to secure the king, but both look hideously complicated to me. In fact, I feel pretty certain I have missed a better line for white somewhere above, but it is eluding me this evening.
1.d6! Qxc5
[if 1.Qe3 Qxe3 2.fxe3 Rff2 3.g4 Rg2+ ..draw due to perpetual check]
2.Qxf6 Rd2
[if 2..Qc2? 3.Qd4 ..and black is back on the defensive due to the looming d7]
3.Rxd2 Qc1+
4.Kh2 Qxd2
..with an advancing pawn and a slew of follow-up move like 5.a4, 5.f3, 5.h4 or even 5.Qe5–white has a more promising endgame than black from thereon.
{I would sure like to push the d-pawn AND trade off some rooks. That can be done in a very straight-forward manner here, due to a tactical point.}
1. d6 {YES. Push the d-pawn right away.} Qxc5
(1. .. Rxf3 2. Rxe5 Rfxf2 3. d7
Rxg2+ 4. Kf1 Rbf2+ 5. Ke1 Rg1+ 6. Kxf2 Rxd1 7. Re8+ Kg7 8. d8=Q Rxd8 9.
Rxd8)
2. Qxf6 Rd2 {How else to stop the immediate advance of the d-pawn?}
3. Rxd2 Qc1+ 4. Kh2 Qxd2 {This game has a long way to go, but it is won for White with the proper technique. The advanced d-pawn is a huge strategic advantage., and the semi-exposed position of the Black king is also a plus.}
Lucymarie
1. d6 what else??
The idea must be to exchange some pieces and advance d pawn.
First I had to sort out the erroneous:
1. Qc3? Qxc3
2. Rxc3 Rd6!
The idea seems stopped.
So it has to be the spectacular:
1. d6!!
Black has a few options, but all of them seem bad.
A)
1. … Rxf3
2. Rxe5
Whites combination of Re8 and d7 is unstoppable, a black rook is hanging as well.
B)
1. … Qxc5
2. Qxf6
Again a black rook is hanging, and white controls the d8 queening field.
Qc2 or Rb6 are both met with Re1! threating Re8#, and Rb8 is met with d7. Black has to loose a rook.
C)
1. … Rxd6?
2. Qa8+
And Qb8 isn’t possible because of Rd6. Black looses the queen.
D)
1. … Qe2
2. Qxe2 Rxe2
3. d7
Pawn is queening next.
1. d6
Hi Susan Polgar,
Well,interesting puzzle – White wins the game,but my solution is lengthy,may be others could have given the shortest solution – interested to see it.
Okay my moves for this puzzle as given below.
Example
=======
1.d6 R*Qf3
2.R*Qe5 R*f2
3.Rg5 h6
4.Rg3 Rf6
5.d7 Rb8
6.Rb3 Rd8
7.Rb7 a6
8.Rc7 R*d7
9.Rd1*Rd7 h5
10.Rd8+ Kg7
11.Ra7 Re6
12.Ra8 Kf6
13.Rf8 h4
14.Ra7 Re7
15.R*Re7 K*Re7
16.Ra8 Kd7
17.R*a6 Kc7
18.Rf6 Kd7
19.a4 Ke7
20.Rf1 kd7
21.a5 Kc7
22.a6 Kb6
23.Ra1 Kc6
24.a7 Kd6
25.a8(Q) Ke6
26.Rf1 g5
27.Qe4+ Kd6
28.Rd1+ Kc5
29.Qd5+ Kb4
30.Rc1 Ka3
31.Qb5 Ka2
32.Rb1 g4
33.Qb2++ Mate
White wins the game.
By
Venky [ India – Chennai ]
White can take advantage of the extra pawn he has on d5. There are many solutions.
1. Qxf6, Qxf6
2. Rc8+, Kg7
3. d6, Rb6
4. d7, Rd6
5. Rxd6, Qxd6
6. d8Q, Qxd8
7. Rxd8 and White has an extra rook
1. d6, Qxc5 (Rxd6 or Qxd6 give advantage to White and Qe8 is no help either)
2. Qxf6, Rb6
3. Qe8 and Black cannot stop the pawn queening and must give up its rook
I can see now that I was right up to
1. d6 Qxc5
2. Qxf6
but here I missed to see blacks best reply
2. … Rd2!
A very nice attempt to stop the d pawn!
3. Rxd2 Qc1+
and now, since white king walks on black fields, I find it quite logical that black queen should be lead to a white field with
4. Rd1!
Congrats to the one who found this move!
pht,
Well, 4.Rd1 is technically no different than 4.Kh2 since black can play 5. …Qd2 after the white king goes to h2 on move 5 leading to the same position that arises if white does not block the check at d1 with the rook and forces the capture at d2.
On further reflection this evening, I would propose the following as pretty good for white:
1. d6 Qc5
2. Qf6 Rd2
3. Rd2 Qc1
4. Kh2 Qd2
5. h4 h6
The alternatives aren’t going to throw a wrench in white’s plans in any case, so I will just follow this thread. The idea of h6 is to try to bust open some lines on the white king with a subsequent g5, but I don’t think this is going to help black either:
6. Kg3 g5
Here, black could try Qd3, but I don’t think it helps since white will just proceed with the plan anyway: [6. …Qd3 7.f3 Qd2 8.Qe5! g5 9.hg5 hg5 etc.]. Continuing:
7. hg5 hg5
8. Kg4
And, now, as wolverine aptly put it- the mission is to prevent a perpetual, but we now take advantage of what Lucymarie pointed out- the partial exposure of black’s king! So, what can black do to get at white’s king? Let’s just look at the obvious line:
8. …..Qd1
9. Kg5!
Advancing on the black king! This prevents the check from e5 since white then plays Kh6 and the queens will come off the board and white will win with the d-pawn. Continuing:
9. …..Qd2
I am not going to be exhaustive here- the lines are too numerous, and I am too tired. This line by itself will demonstrate the main themes:
10.Kh4 Qd3 (nothing better, now)
11.Qg5 Kh8 (Kf8 12.Qe7 Kg7 13.d7)
12.Qe7 Qd4
13.Kg3 Qd3
14.f3 Qg6
15.Kf4 Qh6 (Qg2 no better)
16.Ke4 Qg6
17.Ke3 Qh6
18.Ke2 and white has escaped the checks for a critical move that will allow d7, and white will be able to evade the black queen once again, too, by circling the pawns if necessary.
1.d6 Qxc5
2.Qxf6 Rb6
3.Re1 Kf8
4.Re8+ Kxe8
5.Qe7#
– High skills of MR KO
( Malaysian )
Hi Susan Polgar,
Okay – its nice to know that,I said “d6” as others said – so its nice to see that,I go with the comments of others of this site /Blog – lol – Cool.
By the by I was expecting another interesting line of approach to this chess puzzle – since none showed complete interest on that line – let me now put the moves in that line – just for fun.
Example One
===========
1.Qc3 R*f2
2.Q*Qe5 R*g2+
3.Kh1 Rh2+
4.Q*Rh2 R*Qh2
5.K*Rh2 .. [ Rest child’s play for White ]
Example Two
===========
1.Qc3 Q*Qc3
2.R*Qc3 R*Rf2
3.Rg3 .. [ White wins the game, as stated in my previous posting for this chess puzzle ]
Example Three [ Purely for fun ]
============
1.Qc3 Qf4 [ Simple visual twister ]
2.Q*b2 .. [ White denied silently ]
Okay now do you all think “Qc3” one among the best ? If so just look at the given below example.
Example Four [ Say who wins ? ]
============
1.Qc3 Qd6 [ Left to you guys introspection ]
So conclusively “d6” stands tall comparatively,may be I am wrong,is everybody going to jump on me or am I going to jump on everybody ? – lol – Cool – Just for fun.
By
Venky [ India – Chennai ]