Day 571: Discovered check
Target rating: 1336
Lesson of the day
With a discovered check the moving piece unmasks a check from the piece standing behind it. While the king deals with the check, the piece that moved grabs whatever it likes, free of charge. Look for your long-range piece on a line with the enemy king, with exactly one of your own pieces in between. The rule: among all the ways to step aside, pick the one that captures or attacks the most expensive loot.
Warm-up
1. Winning blow: rook to e3 (g3)Analysis
White to move — find the best continuation
2. Winning blow: king to f3 (e4·2)Analysis
White to move — find the best continuation
3. Attack on the uncastled king: pawn to e7 (e6·5)Analysis
White to move — find the best continuation
4. Winning blow: king to c2 (c1·13)Analysis
White to move — find the best continuation
5. Winning blow: rook to b8 (b1·12)Analysis
White to move — find the best continuation
6. Attack on the uncastled king: queen to c8 (c1·7)Analysis
White to move — find the best continuation
7. Winning blow: knight to e3 (c4·2)Analysis
White to move — find the best continuation
8. Winning blow: queen to e7 (d7·2)Analysis
White to move — find the best continuation
9. Winning blow: rook to d8 (d5·2)Analysis
White to move — find the best continuation
10. Winning blow: queen to e7 (c5)Analysis
White to move — find the best continuation
Core set
11. Winning blow: rook to f6 (e6·2)Analysis
White to move — find the best continuation
12. Winning blow: rook to d5 (c5·3)Analysis
White to move — find the best continuation
13. Winning blow: knight to d5 (f4·6)Analysis
White to move — find the best continuation
14. Discovered attack: rook to e4 (e6)Analysis
White to move — find the best continuation
15. Discovered attack: knight to f3 (d4·2)Analysis
Black to move — find the best continuation
16. Discovered attack: bishop to a2Analysis
White to move — find the best continuation
17. Winning blow: rook to h6 (g6)Analysis
White to move — find the best continuation
18. Castling-960 to the rescue on b1 (d1·10)Analysis
White to move — find the best continuation
19. Mate in 2: rook to e6Analysis
White to move — find the best continuation
20. Attack on the uncastled king: knight to f5 (e7·2)Analysis
White to move — find the best continuation
21. Castling-960 to the rescue on h8 (e8·3)Analysis
Black to move — find the best continuation
22. Mate in 2: rook to c8 (c6)Analysis
White to move — find the best continuation
23. Winning blow: knight to g5 (f7·2)Analysis
White to move — find the best continuation
24. Castling-960 to the rescue on a1 (d1·11)Analysis
White to move — find the best continuation
25. Mate in 2: queen to e8 (e5·2)Analysis
White to move — find the best continuation
Challenge
Review
Day complete — every puzzle solved. See you tomorrow!
Day 572 →