r1b1kbr1/N2p3p/n7/5pp1/qp1pP1Q1/8/1P1KNn1P/R1B4R w q - 1 20
FEN state: r1b1kbr1/N2p3p/n7/5pp1/qp1pP1Q1/8/1P1KNn1P/R1B4R w q - 1 20 ; Best move: g4h5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. White knight at a7, black pawn at d7 and black pawn at h7. Black knight at a6. Black pawn at f5 and black pawn at g5. Black queen at a4, black pawn at b4, black pawn at d4, white pawn at e4 and white queen at g4. White pawn at b2, white king at d2, white knight at e2, black knight at f2 and white pawn at h2. White rook at a1, white bishop at c1 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.