The notation "[+wQd1,-wQd1]" is a bit confusing. It means that the captured wQ is reborn on d1 and replaces the…
Wish the composer had responded
Well deserved accolade from our Indian friend!
Anti T&M and their variations is now possible to check with Jacobi (use the condition Couscous for type II), and…
Checked also by Jacobi. Try in a): 1.Kd2? Rb1 2.Rxe6 [-c6] Sc4+ 3.c7-c5! and in b): 1.Kc4? Rb5 2.Rd4 Sa3+…
Most spectacular is the fact that the FTF-transformed bSb4/f6 cannot capture the mating piece because Black would have to remove…
Now, Jacobi is able to check this PG. Tested with 7.Pb2-f6 in about 2000sec.
The black Q prevents 4.e7-d7! and 4.f7-e7!, after which the wK would move as a P. PointReflection is only used…
Yes indeed. And eastern/western variations might be possible too...
Northern Chess could also be baptized, I guess.