I thing that in AntiCirce condition the couple of wPc5 and bPc4 there can’t exist.
On No.1692 (GT)
Happy birthday Petkov and many more Happy returns. Very nice dedication showing cycle of promotions!
On No.1691 (MR)
Theo, Thank you very much for your efforts! We found the following solution to fix the error: János Csák-Béla Majoros…
On No.1684 (JC&BM)
Bela, because I really like your idea, I worked on it and I found the next position: (a) 7b/6p1/b7/5K2/8/4k3/2QpP3/8 (b)…
On No.1684 (JC&BM)
Dear Theo, What you have written is completely true, thank you very much for your reply! We are working on…
On No.1684 (JC&BM)
Ein wundervolles 4-fach-Echo in allen Ecken. Auch die Zuglänge ist dabei beeindruckend. Einsame Spitze, besser geht es nicht!
On No.1689 (VK)
Before you give your answers I will give my own. 1) A solution is considered acceptable (real) if only legal…
On No.1684 (JC&BM)
Dear Bela, if you want to understand my reasoning please follow the next steps. 1) Give the criterion according to…
On No.1684 (JC&BM)
I thing “Illegal pieces cannot move, capture or check, but they can be captured, but only on first white move…
On No.1684 (JC&BM)
Sergey, thanks for the trouble! Our chess problem is a little different. There are two solutions in each position, only…
On No.1684 (JC&BM)