206-Mate in Two SOLUTION.

Solution: 1. e3-e4! threat 2. e4-e5#
 1. ... Bc4-f7 2. Re7xf7 [B] #
 1. ... Sf2xe4+ 2. Sd2xe4 [A] #
 1. ... Sf2xg4 [a]  2. Sh6xg4 [C] #

205-Mate in two SOLUTION

Solution: 1. Qe7! [2. Re5, Sh4#]
 1. ... Bxe7 2. Re5#
 1. ... Rxe7 2. Sh4#
 1. ... Sg3+ 2. Sxg3#
 

204-Mate in 3 SOLUTION

Solution: 1. Rg1! [2. Rg7#]
 1. ... Sd6 2. Bxd6+
    2. ... Kf7/f6 3. Rf8#
 1. ... Sg5 2. Rxg5 [3. Rg7#]
    2. ... Kf7 3. Rg7#
 1. ... Sg3 2. Rxg3 [3. Rg7#]
    2. ... Kf7 3. Rg7#
 

203-White mates in two SOLUTION

Solution: 1. Be4! waiting
 1. ... Se7/b6/d6 2. B(x)d6#
 1. ... Sc6/b5 2. S(x)c6#
 1. ... g3 2. Sf3#
 

202-White mates in two SOLUTION

Solution: 1. Rg7! waiting
 1. ... b5 2. Sc5#
 1. ... Bh4/f6/e7/d8 2. Sxf4#
 1. ... Sb5/c4/c2/b1 2. B(x)c4#

201-Mate in three SOLUTION

Solution: 1. Re7! [2. Rd7#]
 1. ... Rb4+ 2. Sxb4+
    2. ... Kd6 3. Rd7#

200-Mate in 3 SOLUTION

Solution: 1. h5! [2. Rh4#]
 1. ... g1=Q 2. Rh4+
    2. ... Qg4 3. Rxg4#
 1. ... g1=R 2. Rh4+
    2. ... Rg4 3. Rxg4#
 1. ... Sxd3 2. Rh4+
    2. ... Sf4 3. Rxf4#
 1. ... Sf3+ 2. Rxf3 [3. Rf4#]
    2. ... Bc6 3. Sxb3#