rn1k2r1/1bq3p1/3pP1Q1/pp4bp/P1p2p1P/1P2PP2/2PK2P1/R1B2BNR b - - 2 20
FEN state: rn1k2r1/1bq3p1/3pP1Q1/pp4bp/P1p2p1P/1P2PP2/2PK2P1/R1B2BNR b - - 2 20 ; Best move: g5f6
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8 and black rook at g8. Black bishop at b7, black queen at c7 and black pawn at g7. Black pawn at d6, white pawn at e6 and white queen at g6. Black pawn at a5, black pawn at b5, black bishop at g5 and black pawn at h5. White pawn at a4, black pawn at c4, black pawn at f4 and white pawn at h4. White pawn at b3, white pawn at e3 and white pawn at f3. White pawn at c2, white king at d2 and white pawn at g2. White rook at a1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. Black to move.