2n1k2r/r1pN1p1p/pp1pp1p1/5PPQ/1Pq4P/B3K3/P1PP2PR/1R3B2 b k - 0 20
FEN state: 2n1k2r/r1pN1p1p/pp1pp1p1/5PPQ/1Pq4P/B3K3/P1PP2PR/1R3B2 b k - 0 20 ; Best move: c4a2
The current state of the chess board is: Black knight at c8, black king at e8 and black rook at h8. Black rook at a7, black pawn at c7, white knight at d7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at d6, black pawn at e6 and black pawn at g6. White pawn at f5, white pawn at g5 and white queen at h5. White pawn at b4, black queen at c4 and white pawn at h4. White bishop at a3 and white king at e3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at g2 and white rook at h2. White rook at b1 and white bishop at f1. Black kingside is the only castle move available. Half move number is 0. Full move number is 20. Black to move.