r1bbkr2/1ppp1p1n/4q1P1/pN2p2Q/P3PP1p/1P1P3N/3K2B1/R3n2R w q - 1 20
FEN state: r1bbkr2/1ppp1p1n/4q1P1/pN2p2Q/P3PP1p/1P1P3N/3K2B1/R3n2R w q - 1 20 ; Best move: g6h7
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at d8, black king at e8 and black rook at f8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black knight at h7. Black queen at e6 and white pawn at g6. Black pawn at a5, white knight at b5, black pawn at e5 and white queen at h5. White pawn at a4, white pawn at e4, white pawn at f4 and black pawn at h4. White pawn at b3, white pawn at d3 and white knight at h3. White king at d2 and white bishop at g2. White rook at a1, black knight at e1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 20. White to move.