Seriesmovers are just one of many manifestations of an operation I'm terming "flip" where we take a position and say…
I would rather avoid a pin-model in one phase only, but couldn't. Luckily, there is another link between the mates:…
Thanks, Shankar! Glad you like the mixing of "schools" of direct play and help-play!
Ergo the reasoning that distinguishes the types of play by sections the problems are placed into in published sources is…
You don't have to prove that they are similar. You have to prove that they are neither direct nor help.
> Backward/forward play being different could also be considered as an alternate point of view. This view exists in the…
> Series-direct, Series-help, Series-self stipulations are not really so different. They only differ in the way they are motivated by…
How about this take on classification: - there are only two types of play: opposing and helping (in reaching the…
I loved already the original setting 1440, but this version fixes the terrible cook (reported in Vlaicu's award), adds another…
Now, it is completely checked by Jacobi.