Royal Hand-Grenade Chess

Same as chess, except there is no direct take allowed, on each move all opposite pieces at King distance are captured, the one who captures the king wins

Sample Game:

1. e3    e6        9. b4:b5   Qc7
2. Bd3   g6       10. Nc3     Bb7
3. d3    Nf6      11. Nd5:de6 d6:d5
4. Nh3   Ng4:h3   12. Ba6:ab7 Qc2:cd1
5. h3:g4 Bd6      13. Rc1:c2  Ra7:a6
6. g3    b6       14. Rc3     Nd7
7. d4    c5:d4    15. resign
8. c4:c5 b5:c4

. . . . k . . r
r . . n . p . p
. . . p . . p .
. . . . . . . .
. O . . . . . .
. . R . O . O O
O . . . . O . .
. . . . K . . R