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http://ja.lichess.org/training/8803

http://ja.lichess.org/training/20994 29...Bd4+ 30.Kh2 Re8 31.Rf1 Re2+ 32.Rf2 Rxf2+ 33.Kg1　33...Qg2#

http://ja.lichess.org/training/12432 fuck　 1...Qh1+ 2.Kf2??（Ke2 is best move) Rxh2+ 3.Rg2 Qxg2+ 4.Ke1 Qf2#

http://ja.lichess.org/training/11228 i　think　2.Rg1　is right. 1.Kf8 Nc4 2.Rg1 h5 3.Rg7 h4 4.Rxc4 dxc4 5.Kf7 c3 6.Rg5 c2 7.Rh5#

http://ja.lichess.org/training/58981

http://ja.lichess.org/training/58981　 right　move　is　Kd3!

right move　is　Qd8+

http://ja.lichess.org/training/59389

http://ja.lichess.org/training/38310 this is not mate in 4 but 2