White to move. What is the winning plan?
Source: ChessToday.net
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Rd8!…….Kd8
Nf6!.with numerous attack. The rest are easy….
White is huge advantage in development, so there must be a combination.
Candidates move are :
a. Nf6+ (check)
b. Qxe6+ (check)
c. Rxd8+ (check)
d. Bxe6 (take material)
e. Nxh6 (take material)
If a. 1.Nf6+ Bxf6 is nothing for white
b. 1.Qxe6+ fxe6 is nothing for white
c. 1. Rxd8+ Kxd8 2. Nf6(intending to play Qe5 and Qd6) ..Ke7 3.Qe5 Rd8 4. Qc5+ Rd6 (the only move) 5. Ne4 (attacking rook) Qd4 6. Rxf7+ (forcing) ..Kd8 (if 6..Kxf7 then 7.Nxd6+ the black queen is loss; if 6..Ke8 the same 7.Nxd6+ winning) 7.Qxd6+ Qxd6 8. Nxd6 white is one knight ahead
d. 1.Bxe6 Bxe6 is nothing for white
e. 1. Nxh6 Qxe6 is nothing for white
1.Rxd8+.Kxd8.2.Nf6!.
>A-2……Qxf6.3.Rxf6 white is up a Q for N with a continuing mating attack.
>B-2…..Kc7.3.Qe5+.
>>B1-3….Kb6.4.Rb3#
>>B2.3….Kd8.4.Qd6+.Bd7.5.Qxd7#
>C-2…..Ke7.3.Qe5!.
>>C1-3….Rd1.4.Qc5+.Rd6.5.Ne4!.Qd4 otherwise black loses R to remain piece behind with raging attack..6.Rxf7+!.
>>>C11-6…….Kxf7.7.Nxd6+.Qxd6.8.Qxd6 and white has a Q for R with a easy win.
>>>C12-6……Kd8.7.Qxd6+.Qxd6.8.Nd6 and white remains a piece up while black has no counterplay; white will win easily.
Harry
Perhaps
1. Rd8 Kd8
2. Nf6
with the following Qe5 – Qd6. Cannot find satisfactory response for the Black
http://www.chessgames.com/perl/chessgame?gid=1758585
24. F6 G4 – Bad Black move, G4
——————————–
24. F6 B6 – Better Black move, B6
25. D2 E7
26. B4 C5 – Black is out of danger
Clever-Yuon
Anonymous said…
Perhaps
1. Rd8 Kd8
2. Nf6
with the following Qe5 – Qd6. Cannot find satisfactory response for the Black
Thursday, June 19, 2014 at 1:48:00 PM CDT
———
The satisfactory response for the Black would be: 2. … B6.
3. D2 E7
4. B4 C5 – Black is out of danger
Clever-Yuon
I spot my error.
2. Nf6 B4
3. QE5 There is no defense for Black.
I salute Caruana for such a cool chess puzzle.
Not-so-Clever-Yuon