r3kbr1/5pp1/Q1pppn2/4P1Pp/p2P1NbP/2P1BP2/P3K1B1/nq5R w q h6 0 23
FEN state: r3kbr1/5pp1/Q1pppn2/4P1Pp/p2P1NbP/2P1BP2/P3K1B1/nq5R w q h6 0 23 ; Best move: a6a8
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at f7 and black pawn at g7. White queen at a6, black pawn at c6, black pawn at d6, black pawn at e6 and black knight at f6. White pawn at e5, white pawn at g5 and black pawn at h5. Black pawn at a4, white pawn at d4, white knight at f4, black bishop at g4 and white pawn at h4. White pawn at c3, white bishop at e3 and white pawn at f3. White pawn at a2, white king at e2 and white bishop at g2. Black knight at a1, black queen at b1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 23. En Passant Target Square: h6. White to move.