1nb1k2r/2pp1pQ1/r3p2p/pp3n1P/1b1P1P2/2P2N1R/P3PKP1/R1B2B2 w k - 5 20
FEN state: 1nb1k2r/2pp1pQ1/r3p2p/pp3n1P/1b1P1P2/2P2N1R/P3PKP1/R1B2B2 w k - 5 20 ; Best move: g7h8
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at c7, black pawn at d7, black pawn at f7 and white queen at g7. Black rook at a6, black pawn at e6 and black pawn at h6. Black pawn at a5, black pawn at b5, black knight at f5 and white pawn at h5. Black bishop at b4, white pawn at d4 and white pawn at f4. White pawn at c3, white knight at f3 and white rook at h3. White pawn at a2, white pawn at e2, white king at f2 and white pawn at g2. White rook at a1, white bishop at c1 and white bishop at f1. Black kingside is the only castle move available. Half move number is 5. Full move number is 20. White to move.