r1b1nqkr/3ppp1p/p6n/5p2/1Ppp4/BN1P3N/P3PK1P/1R3B1R b - - 1 21
FEN state: r1b1nqkr/3ppp1p/p6n/5p2/1Ppp4/BN1P3N/P3PK1P/1R3B1R b - - 1 21 ; Best move: h6g4
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at e8, black queen at f8, black king at g8 and black rook at h8. Black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at a6 and black knight at h6. Black pawn at f5. White pawn at b4, black pawn at c4 and black pawn at d4. White bishop at a3, white knight at b3, white pawn at d3 and white knight at h3. White pawn at a2, white pawn at e2, white king at f2 and white pawn at h2. White rook at b1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.