An interesting Marmorosh Game

Source: Shachmat No. 5 / 29 (Dec. 1964), p. 15

In the following simultaneous game by Marmorosh, an interesting event happened. This game, says the (unsigned) article in Shachmat, was from a simultaneous display in Holon (Israel), 1956. Annotations by Shachmat:

1. Qb3!! Q:f7 2. d:c6!

'An extremely interesting position! Both queens are undefended and threaten each other. The black queen cannot move, due to immediate mate.'

2... Rgf8 3. c:b7+ Q:b7 4. Qe6+ Qd7 5. Qa6+ Qb7 6. Ne6+ 'and wins'.