Section B2 – Min Draw
1.e7 !
{Other moves will lose pawns forced by checks.}
( 1.b7 ? Qd5+ 2.Ke3 Qxe6+ -+ )
( 1.d7 ? Qa5+ 2.Kd3 Qxb6 -+ )
1…Kf2
{Now, White king cannot enter the e-line.}
( 1…Qd5+ 2.Ke3 ! Qe5+ {/De6+} 3.Kf3 ! {The separated queen cannot
make any progress.} )
2.c7 !
( 2.b7 ? {losses after} 2…Qd5+ ! 3.Kc3 Qxc6+ )
2…Qd5+
( 2…Qe2+ 3.Kc3 ! {draws easily} )
3.Kc3 Qc5+
{Pawn loss is unavoidable now, but where has to go the king to?}
( 3…Qc6+ 4.Kd4 ! {transposes to move 5 of main line} )
4.Kd3 !
( 4.Kb3 ? {loses, e.g.} 4…Qxb6+ 5.Kc4 Qc6+ ! )
4…Qc6
{guards both promotion squares, but leaves space.}
( 4…Qxd6+ 5.Kc4 {transposes to move 6 of main line} )
5.Kd4
{one for all}
5…Qxd6+ 6.Kc4 Qc6+ 7.Kd4 Qxb6+
( 7…Kf3 8.Ke5 ! )
8.Kd5
{forward, whatever it costs}
8…Qb5+
( 8…Qb7+ 9.Kd6 ! Qc8 10.Kc6 ! )
9.Kd6 Qe8 10.Kc5 !
{a sublety}
( 10.Kd5 ? Qd7+ ! {loses both pawns} )
10…Ke3
( 10…Qd7 11.Kb6 ! )
( 10…Qg6 11.Kd5 ! )
11.Kb6 Kd4 12.Kb7 Qxe7 13.Ka8 !
{all for one}
13…Qxc7
( 13…Qe8+ {is not better:} 14.Kb7 Qd7 15.Kb8 {etc.} )
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