1r2k1r1/6pp/pbbpP1qn/npp2p2/PPP2PPP/B2K2N1/Q3P3/RN3B2 b - - 4 23
FEN state: 1r2k1r1/6pp/pbbpP1qn/npp2p2/PPP2PPP/B2K2N1/Q3P3/RN3B2 b - - 4 23 ; Best move: b5c4
The current state of the chess board is: Black rook at b8, black king at e8 and black rook at g8. Black pawn at g7 and black pawn at h7. Black pawn at a6, black bishop at b6, black bishop at c6, black pawn at d6, white pawn at e6, black queen at g6 and black knight at h6. Black knight at a5, black pawn at b5, black pawn at c5 and black pawn at f5. White pawn at a4, white pawn at b4, white pawn at c4, white pawn at f4, white pawn at g4 and white pawn at h4. White bishop at a3, white king at d3 and white knight at g3. White queen at a2 and white pawn at e2. White rook at a1, white knight at b1 and white bishop at f1. Both players have exhausted their castles. Half move number is 4. Full move number is 23. Black to move.