# Round 1B

- [Chess 2](/cpw/meta-coding-competitions/2011/round-1b/chess-2.md): https://www.facebook.com/codingcompetitions/hacker-cup/2011/round-1b/problems/A
- [Diminishing Circle](/cpw/meta-coding-competitions/2011/round-1b/diminishing-circle.md): https://www.facebook.com/codingcompetitions/hacker-cup/2011/round-1b/problems/B
- [Slot Machine Hacker](/cpw/meta-coding-competitions/2011/round-1b/slot-machine-hacker.md): https://www.facebook.com/codingcompetitions/hacker-cup/2011/round-1b/problems/C
