http://pdb.dieschwalbe.de/search.jsp?expression=PROBID=%27P1310766%27
ad 270) http://pdb.dieschwalbe.de/search.jsp?expression=PROBID=%27P1310751%27
Suprising task in meredith!
The percentage of switchbacks from original pieces presented here is far from the known upper bound - 10/16 with 9…
Sb1 switchback is also capture free.
Switchbacks in proofgames are most interesting when they are capture-free, because then two moves are "wasted " and you need…
928: It doesn't look very PWC specific, as the only captures have unused rebirths ... but that is the point!…
ad 925) http://pdb.dieschwalbe.de/search.jsp?expression=PROBID=%27P1310606%27 ad 926) http://pdb.dieschwalbe.de/search.jsp?expression=PROBID=%27P1310607%27
http://pdb.dieschwalbe.de/search.jsp?expression=PROBID=%27P1310608%27
Yes (last moves are 2. nRcd1 nSxd1(nSd1→b1)(+nRa8)# to be precise).