4kb1r/r1ppq1p1/n4p2/1p2p3/P1NP1Ppn/B1p4P/5RP1/1b2KBR1 w k - 2 23
FEN state: 4kb1r/r1ppq1p1/n4p2/1p2p3/P1NP1Ppn/B1p4P/5RP1/1b2KBR1 w k - 2 23 ; Best move: a3e7
The current state of the chess board is: Black king at e8, black bishop at f8 and black rook at h8. Black rook at a7, black pawn at c7, black pawn at d7, black queen at e7 and black pawn at g7. Black knight at a6 and black pawn at f6. Black pawn at b5 and black pawn at e5. White pawn at a4, white knight at c4, white pawn at d4, white pawn at f4, black pawn at g4 and black knight at h4. White bishop at a3, black pawn at c3 and white pawn at h3. White rook at f2 and white pawn at g2. Black bishop at b1, white king at e1, white bishop at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 2. Full move number is 23. White to move.