rn2kbnr/2p5/ppqpppP1/8/1P1P2P1/B2BPP2/b1PKR3/RN1Q2N1 b q - 4 17
FEN state: rn2kbnr/2p5/ppqpppP1/8/1P1P2P1/B2BPP2/b1PKR3/RN1Q2N1 b q - 4 17 ; Best move: a2c4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7. Black pawn at a6, black pawn at b6, black queen at c6, black pawn at d6, black pawn at e6, black pawn at f6 and white pawn at g6. White pawn at b4, white pawn at d4 and white pawn at g4. White bishop at a3, white bishop at d3, white pawn at e3 and white pawn at f3. Black bishop at a2, white pawn at c2, white king at d2 and white rook at e2. White rook at a1, white knight at b1, white queen at d1 and white knight at g1. Black queenside is the only castle move available. Half move number is 4. Full move number is 17. Black to move.