Puzzles from PS 11, Part One

1. Anthony (white) has been studying the Max Lange, and here he played an exciting “318 theory” sacrifice to generate play.
2. This is his position a few moves later. How did white force checkmate?
3. Zion McKenzie was white. What should he have done?
4. Carlos Tapia (white) found a way to win a piece here.

5. Later in the same game, Carlos finds a nice tactic to win even more material and simplify the position.

6. 318 alumnus and assistant coach Pobo Efekoro showed us a beautiful tactic he played against Ashanti Murray at the city championship 2 weeks ago. White to move, above.

7. Spike Smith was thrilled to win the Junior High Novice section for the first time. He is black in the above position, and his opponent failed to find the best move with his Nc3. Where should white have gone?

8. Same game, a few moves later. What is black’s most crushing line?

9. Ariel Peguero was white in the above position. How could his opponent have won a pawn?

10. This time it’s Ariel’s turn for a tactic. White to move.

11. Kevin was black in the above position. How can he set up an UNSTOPPABLE CHECKMATE?

1. Anthony played 7. Bxf7+ Kxf7 8. Ng5+ Kf8 9. Qxg4 d6 and they reached the second diagram.

2. The game finished 10. Qf4+ Kg8 11. Qf7#

3. Zion missed 1. Nb3 Qb6 2. Na4

4. Carlos played 10. Ne4, and black cannot hold both the Bc5 and Nd5. the game continued 10…Qf8 11. Bxd5 Bg4 12. Nxc5 Qxc5, and they reached the position in the fifth question.

5. The game continued 13. Bxf7! Kxf7 14. Ng5+ Kg8 15. Qxg4 (amazingly,15. Qb3 is even better).

6. Pobo played 1. Qh5+ Kd8 2. Ba5!! Qxa5 3. Nxe6#

7. White should play 1. Nxd5, since 1…exd5 2. exd5 regains the piece. Instead, he retreated with 1. Nd1, after which black captures on e4 and is up two monster pawns.

8. Spike can play 1….Qa5+ since both  2. Kf1 Bb5! and 2. c3 Bb5 3. Qc2 d3! are fantastic for black.

9. 1…Nxa2+ 2. Kd2 (2. Nxa2?? Qxe4; 2. Kb1?? Nxc3 3. bxc3 Qxe4) Qxe4 3. Nxe4 Rfb8 4. b4 Rb4 is slightly better for black.

10. 1. Qc6! traps the knight. It’s better than 1. Qb7 d5!

11. 1…a5 cuts off the white king’s escape and threatens both 2…Rc3 and 2…b5.

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