rnb1qB2/5pp1/ppp2k1r/P2p4/1P3K1p/1QPP2PN/4P2n/RN3B1R b - - 0 23
FEN state: rnb1qB2/5pp1/ppp2k1r/P2p4/1P3K1p/1QPP2PN/4P2n/RN3B1R b - - 0 23 ; Best move: e8e5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8 and white bishop at f8. Black pawn at f7 and black pawn at g7. Black pawn at a6, black pawn at b6, black pawn at c6, black king at f6 and black rook at h6. White pawn at a5 and black pawn at d5. White pawn at b4, white king at f4 and black pawn at h4. White queen at b3, white pawn at c3, white pawn at d3, white pawn at g3 and white knight at h3. White pawn at e2 and black knight at h2. White rook at a1, white knight at b1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. Black to move.