Robert has written a number of fine books, notably three outstanding volumes on the Dutch Defence, which has always been one of his favourite openings. Back in the mid-70s, he was also the main force behind the popularity of the Veresov Opening, which he played with considerable success for many years, and on which he also wrote the seminal English-language book.
Robert and I became good friends some 15 or more years ago, when I played alongside him on the then BCM team, in the 4NCL. We have spent many happy hours together at chess events, and he has influenced my views on the game considerably. I am sorry not to be able to celebrate this milestone with you, Robert, but I shall certainly raise a glass to you this evening!
photo: Gibraltar chesscongress.com
To finish, one of Robert's numerous impressive wins with the Dutch: