Chess Solution no 25

The game continued as follows:

1. g3  Qxa4

2. Nxb5+

Black resigned at this point.

If he had not done so, the game might have continued as follows:

1. g3  Qxa4

2. Nxb5+  Ke7

3. Qxa4

However, whatever he did, black was going to lose his queen. His best (or least worst) option seems to be:

1. g3  Qe5

2. Nf7+  Ke7

3. Nxe5  Nxe5

Chess Puzzle no 25

The position below is from Alekhine versus Isakov, Moscow, 1907. It is white's move. What should he play?

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Solution to Sudoku no 725

Sudoku no 725 (Extreme)

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Chess Solution no 24

 

1. Qb1+  Ka3

2. Qb3#

 

or

 

1. Qb1+  Kc3

2. Qb3+  Kd2

3. Qd5+  Ke2

4. Qd1#

 

or

 

1. Qb1+ Kc3

2. Qb3+  Kd2

3. Qd5+  Kc3

4. Qd4#

Chess Puzzle no 24

This position is from Lile Koridze versus Valentina Golubenko, Batumi, Georgia, 2019. White to play and checkmate in 4 moves:

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Solution to Sudoku no 724

Sudoku no 724 (Easy)

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