1r1qkbnr/p1nppp1p/1p6/P1P2PB1/b7/1N1P2KP/4P1P1/R2Q1BNR b k - 0 17
FEN state: 1r1qkbnr/p1nppp1p/1p6/P1P2PB1/b7/1N1P2KP/4P1P1/R2Q1BNR b k - 0 17 ; Best move: a4b3
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black knight at c7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at b6. White pawn at a5, white pawn at c5, white pawn at f5 and white bishop at g5. Black bishop at a4. White knight at b3, white pawn at d3, white king at g3 and white pawn at h3. White pawn at e2 and white pawn at g2. White rook at a1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 17. Black to move.