1r2b2r/p3k1bp/n1pp1np1/1p2pB2/1P2P3/N1QP1N1P/P3KP2/B4R1R w - - 2 23
FEN state: 1r2b2r/p3k1bp/n1pp1np1/1p2pB2/1P2P3/N1QP1N1P/P3KP2/B4R1R w - - 2 23 ; Best move: f3e5
The current state of the chess board is: Black rook at b8, black bishop at e8 and black rook at h8. Black pawn at a7, black king at e7, black bishop at g7 and black pawn at h7. Black knight at a6, black pawn at c6, black pawn at d6, black knight at f6 and black pawn at g6. Black pawn at b5, black pawn at e5 and white bishop at f5. White pawn at b4 and white pawn at e4. White knight at a3, white queen at c3, white pawn at d3, white knight at f3 and white pawn at h3. White pawn at a2, white king at e2 and white pawn at f2. White bishop at a1, white rook at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 23. White to move.