Puzzle of the week #333

Submitted by eugen on Sun, 01/28/2018 - 22:12
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Level
2-Knight
Chess Diagram
[Event "Puzzle #333"][Date "2018.01.28"][Result "0-1"][SetUp "1"][FEN "3q1rk1/5ppp/b7/8/6N1/1Q2P3/5P1P/1R4K1 b - - 0 1"]
The position is from the endgame with so few pieces left on the board. It is black to move; your tasks:
a) Explain who is better and why
b) Find the best line for black to win the game

Total available points for this puzzle is 20. The answers will be published next time together with puzzle #334.

Puzzle #332 solution:
Game Grubert – Carlsen, 2001. This week's best answers are by the top scorers:
a) White is better because:
- It is up a pawn
- The d5-pawn is passed
- The black King can be attacked along the h-file
[Event "Puzzle #332"][Date "2018.01.21"][Result "1-0"][SetUp "1"][FEN "2r2r2/p2q3k/1pR3p1/3P1p2/8/5Q2/P4PPP/2R3K1 w - - 0 1"]1. Qh3+ Kg7 (1... Kg8 2. Rxg6+ Kf7 3. Qh7+ Ke8 4. Rxc8+ Qxc8 5. Re6+ Kd8 6. Qe7#) 2. Qc3+ Kh7 3. Rxc8

Correct solutions:
Coby, Eric, Zhengyu, Matthew, Lyvia - 20 points
Jacey, Blake - 14 points
Lucas, Glyn, Brian, Aiden - 11 points
Walter, Itamar - 10 points
Darius, Mengbai - 6 points

Standings:
Matthew, Lyvia - 30 points
Eric - 27 points
Coby - 26 points
Zhengyu - 22 points
Glyn - 21 points
Jacey - 20 points
Brian - 16 points
Blake - 14 points
Lucas - 13 points
Mengbai, Aiden - 11 points
Walter, Itamar - 10 points
Joey - 9 points
Darius - 8 points
Chris - 2 points