br2kb1r/5ppp/3p3n/3P2N1/pPp1KPP1/P7/RBP1P2P/Q4B1R w k - 1 23
FEN state: br2kb1r/5ppp/3p3n/3P2N1/pPp1KPP1/P7/RBP1P2P/Q4B1R w k - 1 23 ; Best move: e4f3
The current state of the chess board is: Black bishop at a8, black rook at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at d6 and black knight at h6. White pawn at d5 and white knight at g5. Black pawn at a4, white pawn at b4, black pawn at c4, white king at e4, white pawn at f4 and white pawn at g4. White pawn at a3. White rook at a2, white bishop at b2, white pawn at c2, white pawn at e2 and white pawn at h2. White queen at a1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 23. White to move.