r4b2/pp2kp1r/1nPpbp1p/2p5/PP2P3/2P2P1P/1B1Qn2R/1N2KBR1 w - - 4 23
FEN state: r4b2/pp2kp1r/1nPpbp1p/2p5/PP2P3/2P2P1P/1B1Qn2R/1N2KBR1 w - - 4 23 ; Best move: f1e2
The current state of the chess board is: Black rook at a8 and black bishop at f8. Black pawn at a7, black pawn at b7, black king at e7, black pawn at f7 and black rook at h7. Black knight at b6, white pawn at c6, black pawn at d6, black bishop at e6, black pawn at f6 and black pawn at h6. Black pawn at c5. White pawn at a4, white pawn at b4 and white pawn at e4. White pawn at c3, white pawn at f3 and white pawn at h3. White bishop at b2, white queen at d2, black knight at e2 and white rook at h2. White knight at b1, white king at e1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 23. White to move.