r1bqk3/p1p2n1r/1p2p3/3pp1B1/Pb5p/2NP4/PK3PPP/R4BNR b q - 3 20
FEN state: r1bqk3/p1p2n1r/1p2p3/3pp1B1/Pb5p/2NP4/PK3PPP/R4BNR b q - 3 20 ; Best move: f7g5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black king at e8. Black pawn at a7, black pawn at c7, black knight at f7 and black rook at h7. Black pawn at b6 and black pawn at e6. Black pawn at d5, black pawn at e5 and white bishop at g5. White pawn at a4, black bishop at b4 and black pawn at h4. White knight at c3 and white pawn at d3. White pawn at a2, white king at b2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 3. Full move number is 20. Black to move.