5r1k/prp1n3/nPR3p1/2Rpp2p/3P1B2/N2b1pP1/1P1Q1P2/4KB2 w - - 0 23
FEN state: 5r1k/prp1n3/nPR3p1/2Rpp2p/3P1B2/N2b1pP1/1P1Q1P2/4KB2 w - - 0 23 ; Best move: f4e5
The current state of the chess board is: Black rook at f8 and black king at h8. Black pawn at a7, black rook at b7, black pawn at c7 and black knight at e7. Black knight at a6, white pawn at b6, white rook at c6 and black pawn at g6. White rook at c5, black pawn at d5, black pawn at e5 and black pawn at h5. White pawn at d4 and white bishop at f4. White knight at a3, black bishop at d3, black pawn at f3 and white pawn at g3. White pawn at b2, white queen at d2 and white pawn at f2. White king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.