4k1r1/Nb1p3p/pp4pn/3P1p2/1BP3pq/5R2/PPN1P2P/2RQKB2 w - - 4 23
FEN state: 4k1r1/Nb1p3p/pp4pn/3P1p2/1BP3pq/5R2/PPN1P2P/2RQKB2 w - - 4 23 ; Best move: f3g3
The current state of the chess board is: Black king at e8 and black rook at g8. White knight at a7, black bishop at b7, black pawn at d7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at g6 and black knight at h6. White pawn at d5 and black pawn at f5. White bishop at b4, white pawn at c4, black pawn at g4 and black queen at h4. White rook at f3. White pawn at a2, white pawn at b2, white knight at c2, white pawn at e2 and white pawn at h2. White rook at c1, white queen at d1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 4. Full move number is 23. White to move.