In this mornings round in the Reyjkavik Open Simon Williams played the Boor Attack in the Exchange Slav as white against Anastasiya Rakhmangulova:

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[Startply "9"]

1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Nc3 Nf6 5.f3 e6 6.e4 dxe4 7.fxe4 Nc6 8.Nf3 Bb4 9.Bd3 Ba5 10.e5 Nd5 11.O-O Nxc3 12.bxc3 Bxc3 13.Rb1 h6 14.Ba3 a5 15.Qa4 Bd7 16.Rxb7 Nxd4 17.Nxd4 Bxa4 18.Nxe6 Qh4 19.Rfxf7 Bb4 20.Rf8+ {20... Rxf8 21. Bg6+ Rf7 22. Bxf7#}

I've never heard of this or seen it before. What are the plans and ideas?