1n2k3/3b1p2/1ppbpn1r/r3qPBp/PPPP2p1/2N3P1/R6P/1N4KR w - - 4 23
FEN state: 1n2k3/3b1p2/1ppbpn1r/r3qPBp/PPPP2p1/2N3P1/R6P/1N4KR w - - 4 23 ; Best move: d4e5
The current state of the chess board is: Black knight at b8 and black king at e8. Black bishop at d7 and black pawn at f7. Black pawn at b6, black pawn at c6, black bishop at d6, black pawn at e6, black knight at f6 and black rook at h6. Black rook at a5, black queen at e5, white pawn at f5, white bishop at g5 and black pawn at h5. White pawn at a4, white pawn at b4, white pawn at c4, white pawn at d4 and black pawn at g4. White knight at c3 and white pawn at g3. White rook at a2 and white pawn at h2. White knight at b1, white king at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 23. White to move.