rn3bnr/pppk1p1p/6p1/4p1q1/2P1P3/3P2P1/PP2NP1P/RNB2K1R b - - 4 10
FEN state: rn3bnr/pppk1p1p/6p1/4p1q1/2P1P3/3P2P1/PP2NP1P/RNB2K1R b - - 4 10 ; Best move: g5d8
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black king at d7, black pawn at f7 and black pawn at h7. Black pawn at g6. Black pawn at e5 and black queen at g5. White pawn at c4 and white pawn at e4. White pawn at d3 and white pawn at g3. White pawn at a2, white pawn at b2, white knight at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 10. Black to move.