Daily Chess Improvement: Mate in 4!

This puzzle is to help you improve on your efficiency

White to move and mate in 4!

Comments
No. 1-2
shamelin
shamelin
  1. Kb6!
    a) if 1. …, Kb8; 2. Bg4,
    .a1) 2. …, Ka8; 3. Na6, h5 (forced); 4. Bf3#
    .a2) 2. …, h5; 3. Na6+, Ka8 (forced); 4. Bf3#
    b) if 1. …, g4; 2. Na6,
    ..b1) 2. …, g3; 3. Bf3# (MATE IN 3!)
    ..b2) 2. …, h5; 3. Ba4/Bb3/Bc2, - ; 4. Bc6#/Bd5#/Be4#
    c) if 1. …, h5; 2. Na6,
    …c1) 2. …, g4; 3. Ba4/Bb3/Bc2, - ; 4. Bc6#/Bd5#/Be4#
    …c2) 2. …, h4; 3. Bf3# (MATE IN 3!)
DaveCubby
DaveCubby
  1. Kb6!

a) 1...h5, 2. Bf3+ Kb8, 3. Bb7!
g4, 4. Na6#
b) 1...Kb8, 2. Bg4! h5, 3. Na6+ Ka8, 4. Bf3#

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