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How long does it take to solve one problem?

11/27/2022

1 Comment

 
​This is one of the most difficult zugzwang problems I have ever been trying.

On Jun 9, I copied this problem from Facebook and posted in WeChat group, with the following original hint:
Berger, 1888 white to move and win. (#16)
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Somebody suggested Qb8, only one move. There was no followup to this move. I suggested to use the two weaknesses, g2 and h2 squares. My conclusion was to reach g3. I claimed I knew, but found a hole in my approach right away: I will be checked.

Jun 13, I re-posted the problem. I suggested another approach and drew an illustration diagram, but it ended up with question what can we do after Qf4 Ba6?

Jun 21, I asked again. No response.

July 4, I exclaimed that the problem is so hard. After 15 minutes, I claimed I had another solution, but again I found some small holes. The problem is put on backburner again.

July 26, I asked again. Another expert made another suggestion, with no confirmation from anyone.

Nov 22, 4 months later. I re-posted the problem. The same expert made couple suggestions, and some seemed to be positive progress. 

Last night, Nov 25, when I woke up in the mid-night. The problem suddenly comes into my mind, and I knew I could solve it. I spent about half hour to solve it completely in my mind. Then fell into sleep again.

Finally, after 5 months 16 days, we have the solution!!!

I will explain the solution in my YouTube channel.
1 Comment

Black Friday Shopping List

11/23/2022

0 Comments

 
Black Friday Shopping List:

1. Chessbase,professional tool, chessbase.com 25%

2. ChessKing Max 90, large puzzle database for practice,https://chesskingtraining.com/products/chess-king-learn/chess-king-maximum-90/
with coupon Code "IntroOffer20", 20%, or get it from uscf sales.

3. USCF Sales, general items, https://www.uscfsales.com/ 20%
​
4. Wholesales chess, general items, https://www.wholesalechess.com/ 20%
0 Comments

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