Peligroso Patzer: I am surprised that no one has previously commented regarding the point for which this game is most notorious: that White resigned in a drawn position!In the final position, White presumably only considered 60.
xb3?, a blunder that loses, for example: 60...c2 61.
b4+
d5 [NOT 61...
c5? 62.
b8=] 62.
b5+
d6 63.
b6+
c7, and White has no way to prolong his resistance (
).
As pointed out in various sources, however, including Dvoretsky, Mark, “Dvoretsky’s Endgame Manual”, 2nd Edition (Russell Enterprises, Inc., ©2006), p. 140 (Diagram 8-25), where this ending is cited as a “tragicomedy”, the intermediate check 60.
b4+ would have held the draw, i.e., 60.
b4+!
d3 (or 60...
d5 61.
xb3
c4= [BUT NOT 61. ... c2?? 62.
c3
]) 61.
xb3 with the pin on the rank leaving Black no way to avoid 62.
xc3(+) eliminating Black's last pawn and securing the draw.