r2n2n1/1b1qpkbr/3p4/ppp3pP/P2PPp2/BP5P/2PN1P2/R2QK1NR b K - 3 20
FEN state: r2n2n1/1b1qpkbr/3p4/ppp3pP/P2PPp2/BP5P/2PN1P2/R2QK1NR b K - 3 20 ; Best move: g7d4
The current state of the chess board is: Black rook at a8, black knight at d8 and black knight at g8. Black bishop at b7, black queen at d7, black pawn at e7, black king at f7, black bishop at g7 and black rook at h7. Black pawn at d6. Black pawn at a5, black pawn at b5, black pawn at c5, black pawn at g5 and white pawn at h5. White pawn at a4, white pawn at d4, white pawn at e4 and black pawn at f4. White bishop at a3, white pawn at b3 and white pawn at h3. White pawn at c2, white knight at d2 and white pawn at f2. White rook at a1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 3. Full move number is 20. Black to move.