checkmated is checkmate's Past Participle

checkmate

US [ˈtʃekˌmeɪt]
UK [ˈtʃekˌmeɪtid]
  • n.【游】(象棋)将军;困死;击破;失败
  • v.【游】(象棋)将军;困死;打败;(使受)挫折
Plural Form:checkmates  Present Participle:checkmating  Past Participle:checkmated  
n.
1.
【游】(象棋)将军;困死
2.
打败,击破;失败,挫折
v.
1.
【游】(象棋)将军;困死
2.
打败,击破;(使)失败,(使受)挫折