183-Mate in two SOLUTION.

Solution: 1. Qa4-d7! threat 2. Sb4xd5, Sg1-h3#
 1. ... Bc8xd7 2. Sb4xd5#
 1. ... Rd8xd7 2. Sg1-h3#

182-Mate in three SOLUTION.

Solution: 1. Sa7-b5! threat 2. Sb5-c7#
 1. ... a6xb5 2. Bh5-g6 waiting
    2. ... Sh7 ad lib 3. Sh3(x)g5#
 1. ... a6xb5 2. Bh5-e8 waiting
    2. ... Sh7 ad lib 3. Sh3(x)g5#

181-White mates in two SOLUTION

Solution: 1. Bh3-d7! threat 2. Sa5-c6, Ba3-d6#
 1. ... Rd8-c8, Be8xd7 2. Ba3-d6#
 1. ... Rd8xd7 2. Sa5-c6#

180-Mate in two SOLUTION.

Solution: 1. Qh4-e7! threat 2. Rc6-c5, Bh3-e6, Sa2-b4 [A] #
 1. ... Re8xe7 [a]  2. Sa2-b4 [A] #
 1. ... Bf8xe7 2. Bh3-e6#

179-Mate in 3 SOLUTION.

Solution: 1. Se8! [2. Sxc7, Sf6#]
 1. ... Rc4+ 2. Rxc4 [3. Sxc7, Sf6#]
    2. ... Se6, Sa8 3. Sf6#
    2. ... f5, Sd7 3. Sxc7#

178-White mates in two SOLUTION

Solution: 1. Ba3-b4! waiting
 1. ... Sg5 ad lib 2. Sg1(x)f3#
 1. ... Ba4 ad lib 2. Sa1(x)b3#
 1. ... Ba4xc2 2. Sa1xc2#

177-Mate in two SOLUTION.

Solution: 1. Bh2! a waiting move.
 1. ... Sd8/h8/d6+/h6/e5/g5 2. R(x)d6#
 1. ... Sf4/h4/e3/e1 2. S(x)f4#