4k2r/r2b3p/n2p2pb/ppp1P2Q/P4p1n/1P1qP2P/2PNNPP1/2B1KBR1 w k - 3 21
FEN state: 4k2r/r2b3p/n2p2pb/ppp1P2Q/P4p1n/1P1qP2P/2PNNPP1/2B1KBR1 w k - 3 21 ; Best move: h5h4
The current state of the chess board is: Black king at e8 and black rook at h8. Black rook at a7, black bishop at d7 and black pawn at h7. Black knight at a6, black pawn at d6, black pawn at g6 and black bishop at h6. Black pawn at a5, black pawn at b5, black pawn at c5, white pawn at e5 and white queen at h5. White pawn at a4, black pawn at f4 and black knight at h4. White pawn at b3, black queen at d3, white pawn at e3 and white pawn at h3. White pawn at c2, white knight at d2, white knight at e2, white pawn at f2 and white pawn at g2. White bishop at c1, 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 3. Full move number is 21. White to move.