rnbq1k1r/pppp3p/4p2n/P1b2pB1/3P2P1/2P5/1P2PPBP/RN1QK1NR b K - 4 9
FEN state: rnbq1k1r/pppp3p/4p2n/P1b2pB1/3P2P1/2P5/1P2PPBP/RN1QK1NR b K - 4 9 ; Best move: d8g5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7 and black pawn at h7. Black pawn at e6 and black knight at h6. White pawn at a5, black bishop at c5, black pawn at f5 and white bishop at g5. White pawn at d4 and white pawn at g4. White pawn at c3. White pawn at b2, white pawn at e2, white pawn at f2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 4. Full move number is 9. Black to move.