Undermining (chess) Undermining (chess) Undermining (also known as removal of the guard, or removing the defender) is a chess tactic in which a defensive piece is captured, leaving one of the opponent's pieces undefended or under-defended. The opponent has the unpalatable choice of recapturing or saving the undefended piece. A possible response is to sacrifice the piece whose defense was undermined before capturing the piece which just took the defender. Kramnik–Topalov in the seventh round of the 2004 Linares chess tournament reached the diagrammed position with White to play. The black knight on a4 is defended only by the black pawn on
Horse culture in Mongolia together and neither would be lonely. So the first horsehead fiddle was assembled, with horse bones as its neck, horsehair strings, horse skin covering its wooden soundbox, and its scroll carved into the shape of a horse head. Horses are common characters in Mongolian folklore. The frequently recurring motif of the young foal who becomes separated from his family and must make his way in the world alone is a type of story that has been described as endemic to Mongolian culture. The horse also figures prominently in song. In 1934, Haslund wrote, "Of forty-two Mongolian songs which I noted