r3kbr1/p4qpp/P6n/1ppppp2/1n4b1/B1PPP1PN/5PBP/RN1QK2R b - - 3 21
FEN state: r3kbr1/p4qpp/P6n/1ppppp2/1n4b1/B1PPP1PN/5PBP/RN1QK2R b - - 3 21 ; Best move: g4d1
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black queen at f7, black pawn at g7 and black pawn at h7. White pawn at a6 and black knight at h6. Black pawn at b5, black pawn at c5, black pawn at d5, black pawn at e5 and black pawn at f5. Black knight at b4 and black bishop at g4. White bishop at a3, white pawn at c3, white pawn at d3, white pawn at e3, white pawn at g3 and white knight at h3. White pawn at f2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 21. Black to move.