1qk2b1r/1r3pp1/B2p1n2/PppPp1Bp/3QPPb1/N7/1RP4P/4K1NR b K - 0 20
FEN state: 1qk2b1r/1r3pp1/B2p1n2/PppPp1Bp/3QPPb1/N7/1RP4P/4K1NR b K - 0 20 ; Best move: e5d4
The current state of the chess board is: Black queen at b8, black king at c8, black bishop at f8 and black rook at h8. Black rook at b7, black pawn at f7 and black pawn at g7. White bishop at a6, black pawn at d6 and black knight at f6. White pawn at a5, black pawn at b5, black pawn at c5, white pawn at d5, black pawn at e5, white bishop at g5 and black pawn at h5. White queen at d4, white pawn at e4, white pawn at f4 and black bishop at g4. White knight at a3. White rook at b2, white pawn at c2 and white pawn at h2. 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 0. Full move number is 20. Black to move.