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1. e7 Qxf7 (1.. Rc8, 2.Qxe8 and 3. Bc6)
2. exd8Q+ Kh7 (2.. Qg8 3. Re8)
3. Re7 Q..
4. Be4+
1-0
White wins a piece
1.e5, Rc8
2.Q:e8, R:e8
3.Bc6
e7
1. e7
If
1. … Qxf7
2. exd8(Q)+ Qg8
3. Re8
If
1. … Rb8
2. Qxe8+ Rxe8
3. Bc6 Rg8
4. e8(Q)
Win for white as white has an extra bishop and rook on 7 / 8 rank, while black has no counter-play.
It appears to me that white should win with any of the three following moves-Qe8, Bd5, or e7. Is one superior to the others?
1. Qe8 Re8
2. e7
And, now, white is threatening Bc6 to win the rook. The other rook can do nothing other than move to take at a5, but, in the end, white will preserve the b-pawn and be up a piece for the pawn. The black king cannot reach f7 in time since white will check first from d5 before proceeding to c6. From a material balance, taking at a5 is best:
2. …..Ra5
3. Bc6 Re7 (pawn must be taken)
4. Re7 Ra2
5. b3 and white is up a piece for a pawn.
Or, white could play Bd5 first:
1. Bd5
Now, white is threatening both Qe8 with the same essential lines as previously, or e7. Black really hasn’t much here- capturing at f7 allows white to queen his pawn. All I see is the same capture at a5:
1. …..Ra5
2. e7 Rc8 (what else?)
3. Qe8 Re8
4. Bf7
Here, 4.Bc6 should also win, but this puts the bishop on the a2/g8 diagonal from where he can threaten both Bg6 with a back rank mate threat and protect the b-pawn when it is pushed to b3. Continuing:
4. …..Re7
5. Re7 and white is still up a piece for a pawn.
Finally, white could play e7 immediately:
1. e7 Rc8 (again, what else?)
2. Qe8 Re8
3. Bc6 and this has transposed into the first line.
Of the three lines, I actually like the second one best simply because the bishop seems better placed to me, but materially they all seem the same.
No guarantee that these are the strongest moves by White and/or Black. But clearly the best first move is 1. e7
After 1. e7
1. … Qxf7 2. exd8=Q+ Qg8 3. Re8 and now:
3. … Qxe8 4. Qxe8+ Kh7 5. Be4+ f5 6. Bxf5+ g6 7. Qxg6+ Kh8 8. Qh7#
3. … Kh7 4. Be4+ f5 [4. … g6 5. Bxg6+ Qxg6 6. Rh8+ Kg7 7. Qg8#]5. Bxf5+ g6 6. Bxg6+ Kxg6 7. Rxg8+ Kh7 8. Qf8
1. … Qxf7 2. exd8=Q+ Kh7 3. Re8 h5 4. Rh8+ Kg6 5. Be4+ Kg5 [5. … f5 6. gxh5#] 6. Qd2+ Kh4 7. Qf4 and 8. gxh5#
1. … Rc8/b8 2. Qxe8+ [ 2. Qe6 might be stronger, but this is simpler] Rxe8 3. Bc6 Rxe7 [3. … Rc8 4. e8=Q+ Rxe8 5. Rxe8+ Kh7 6. Be4+ g6 7. Re7+ Kg8 8. Re6] 4. Rxe7 Rxa5 5. Be4 g6 [5. … Kg8? 6. Bg6] 6. Bxg6
Hi Susan Polgar,
Well,nice puzzle.
White wins the game,variations exist.
Simple Example
==============
1.Rd3 Q*Qf7
2.R*Rd8+ Qg8
3.e7 Re1
4.Bd5 R*e7
5.B*Qg8 Rg7
6.Bb3+ Kh7
7.Bc2+ Rg6
8.Rd7+ Kh8
9.B*Rg6 c4
10.Ra7 f5
11.R*a6 f*g
12.h*g h5
13.Ra7 h4
14.Rh7+ Kg8
15.a6 h3+
16.K*h3 c3
17.b*c Kf8
18.a7 Ke8
19.a8(Q)++ Mate.
White wins the game
By
Venky [ India – Chennai ]
1e7 should win.No heroics.
1. e7 A move so naturally cannot be bad. 🙂
1. e7 Qxf7
2. exd8=Q Kh7
3. Re8 Qc4
4. Be4+ and white win easily.
——————-
or
1. e7 Rb8
2. Qxe8+ Rxe8
3. Bc6 Rxe7
4. Rxe7 Rxa5
5. Be4 (It borders the Black King in last file.) g5
6. b3 and white should win easily.
Sorry for OT.
Let me say with humility: who resolves these positions with a chess engine loses the pleasure of thinking (not learn anything more).
Again sorry for the “Preaching”.
🙂
Best regards
Stef
Hi Susan Polgar,
Correction,I had missed to read /notice the pawn at “g7” as per the puzzle’s initial position.
so now,I am updating the correct set of,one of the combination for white to win the game,variations exist.
Example
========
1.Rd3 Q*Qf7
2.R*Rd8+ Qg8
3.e7 Re1
4.Bd5 R*e7
5.B*Qg8 g5
6.Bb3+ Kh7
7.Bc2+ Kg7
8.Ra8 Re2
9.Ra7+ Kf8
10.Bg6 R*b2
11.Rf7+ Kg8
12.R*f6 Kg7
13.R*a6 c4
14.Be4 c3
15.Rc6 Ra2
16.a6 Kf7
17.Bd3 Ke7
18.R*c3 Kd6
19.Bb5 Ra5
20.Rc6+ Kd5
21.R*h6 R*Bb5
22.h4 g*h
23.Rh5+ Kc6
24.R*Rb5 K*Rb5
25.a7 Kb6
26.a8(Q) h*g
27.f*g Kc5
28.g4 Kd6
29.g5 Ke7
30.g6 Kf6
31.Qg8 Ke7
32.g7 Kf6
33.Qf8+ Ke5
34.g8(Q) Ke4
35.Qg8f7 Ke3
36.Qe7+ Kd3
37.Qf8d8+ Kc3
38.Qe7c7+ Kb4
39.Qd8b8+ a5
40.Qc7a7++ Mate.
White wins the game.
By
Venky [ India – Chennai ]
Hi Susan Polgar,
My third post to this chess puzzle.
Well,Susan for your notice,in this particular chess puzzle,at the comment update page,the link “Show Original post” neither displays the image nor the chess piece positional notion.
Anyway its around 2:15 AM In India – I feel extremely sleepy,so if you guys find,any of my chess piece moves,irrelevant to the initial chess piece position of this chess puzzle – take it cool.
“Rd3” one of the better fit for white to win in this chess puzzle.[ Complete set of moves,I had given in my previous post to this chess puzzle.
By
Venky [ India – Chennai ]
Let’s try:
1. e7 Rc8
2. Qe8 Re8
3. Bc6 looks very strong
if:
1. Qf7
2. ed(Q)Kh7
3. Re7 and then
4. Be4 also looks very strong.
Of course e7 is the crusher…rd3 is just wishful thinking
1. e7 Rc8
2. Qe8:+ Re8:
3. Bc6 1-0
looks simplest
dear Venky:
Very interesting 1.Rd3 but after 1…Re1 you do not think that the White complicate life too much? 🙂
example:
1. Rd3 Re1
2. Rxd8 Qxd8
3. Qd7 Qf8 (now what?)
4. Qc6 h5
5. gxh5 f5
6. Qxa6 Qe7 (with the risk of draws)
But maybe I’m wrong.
Best regards
Stef
1.Qxe8+ Rxe8
2.e7 Kg8 (only other way to attack th pawn)
3.Bd5+! (cutting the rom for black king)
3…Kh8
4.Bc6 now black’s rook will be captured for e7 pawn. White is up a bishop and should be an easy win if the end game is played correctly.
Digging back on May 29 Overnight chess tactics Yancy Ward’s last line reads “6Qf5 and white will mate either Nf7 or Qh7 on the next move.” I thought this is superfluous as Qh7# holds in all cases and Nf7# is unnecessary. However I realised that white has Bd3 when Nf7 comes handy.Yancy is very subtle and accurate in his comments and can not be “ward”ed off easily.By the way I have some amendments on May 13 overnight chess teaser.It is not simply overnight for me but over a fortnight.
1.e7
1..Qxf7
2.exd8=Q+ +-
1..Rc8
2.Qxe8+ Rxe8
3.Bc6 +-
1)e7!
a)
1…Qxf7
2)Qxe8+ Kh2
3)Re7
threat is Be4# and black has no answer
b)
1…Rc8
2.Bd5
c)
1…Rc8
2.Qxe8 Rxe8
3.Bc6 Rc8
4.e8=Q Rxe8
5.Bxe8
e7 Ra8
Qe8 Re8
Vc6
Like Venky my first thought was 1Rd3.After all if it is a puzzle there must be something drastic but I realised that there is no good continuation and opted for 1e7.
Prof Bhat,
The truth is that I didn’t even see Bd3 as a delay in that puzzle (at least, I don’t remember seeing it). I included Nf7 to cover the possibility of black moving his king to h5 in which case Qh7 is not yet mate since the black king has access to a temporary hole at g4.
Hi Susan Polgar,
Hi Stef and all,
Stef,yeah “Rd3” after some tough and interesting exchange then white’s path isn’t smooth but win is not evasive but the way you expressed your opinion about it,shows your cultured and pleasant nature – Nice.
you brainy minds had given better options,thats the sweet essence of this site,I really like these healthy discussion,I appreciate it.
By
Venky [ India – Chennai ]