Nº26 Michael Pasman

Win

Michael Pasman (Israell)

wKf8,Qa6,Pb5/bKe5,Ne2,Pa7,d2

1.Qa1+ Ke4 2.Qh1+ Ke3 3.Qh3+ Kf2 4.Qh4+ Kf1 5.Qh1+ Ng1 6.Qd5 Ke1 7.Qe4+ Ne2 8.Qh1+ Kf2 9.Qa1 Kf3 10.Qa3+ Ke4 11.Qe7+ Kd3 12.Qh7+ Kc3 13.Qh3+ Kc2 14.Qf5+ Kc1 15.Qc5+ Kb1 16.Qb4+ Kc2 17.Qe4+ Kc1 18.Qc4+ Kd1 19.Ke8!
Logical try : 19.Ke7? Ke1 20.Qh4+ Kf1 21.Qh1+ Ng1 22.Qd5 Ke1 23.Qe4+ Ne2 24.Qh1+ Kf2 25.Qa1 Nc3 26.Qxa7+ Ke2 Position Y1 : no check on e7!

19…Ke1 20.Qh4+ Kf1 21.Qh1+ Ng1 22.Qd5 Ke1 23.Qe4+ Ne2 24.Qh1+ Kf2 25.Qa1 Kf3
25…Nc3 26.Qxa7+ Position Y2 26…Ke2 27.Qe7++-

26.Qa3+ Ke4 27.Qe7+ Kd3 28.Qh7+ Kc3 29.Qh3+ Kc2 30.Qf5+ Kc1 31.Qc5+ Kb1 32.Qb4+ Kc2 33.Qe4+ Kc1 34.Qc4+ Kd1 35.Kd8!
Logical try : 35.Kd7 Ke1 36.Qh4+ Kf1 37.Qh1+ Ng1 38.Qd5 Ke1 39.Qe4+ Ne2 40.Qh1+ Kf2 41.Qa1 Nc3 42.Qxa7+ Ke2 Y3 no check on e7

35…Ke1 36.Qh4+ Kf1 37.Qh1+ Ng1 38.Qd5 Ke1 39.Qe4+ Ne2 40.Qh1+ Kf2 41.Qa1 Kf3 42.Qa3+ Ke4 43.Qb3 Nc1 44.Qd1 Kd3 45.Kc8!
Logical try : 45.Kc7 Ne2 46.Qb1+ Kc3! 47.Qa1+ Kc2 48.Qxa7 Nc3! 49.Qf2 Nxb5+ Position X1 : with check

45…Na2
45…Ne2 46.Qb1+ Kc3 47.Qa1+ Kc2 48.Qxa7 Nc3 49.Qf2 Nxb5 Position X2 50.Qf5+-

46.Qb1+ Ke3
The main line end, continuation for example : [46…Kc3 47.Qa1+!+-

47.Qa1 Ke4 48.Kb7 Nc1 49.Qa4+ Kd3 50.Kxa7+- The engine of course, continues the line.

This study is not for the award, I just want to publish the line which I received in few minutes from engine tablebases. So it is not really my study, it is study created fully by tablebases. I only added comments and some alternate lines.