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
Chess in China by 30% each year. Fortunately for the Chinese Chess Association, in 1993, it received an endowment fund from Singapore businessman S T Lee who donated about US $1.5 million. 10% of this donation was for the establishment of the chess library at China QiYuan. The remaining 90% were deposited in a fixed account from which the Chinese Chess Association drew interest mainly for its administrative operations and to send players for overseas competitions. In 1997, the Chinese Chess Association founded a computer company to fund its other activities on an annual basis. Decision making is done collectively and any final