rn2k1n1/p2bq2r/3pNp2/2p3p1/3PP2Q/PPp4R/RBP1P1P1/3K1B2 b - - 3 21
FEN state: rn2k1n1/p2bq2r/3pNp2/2p3p1/3PP2Q/PPp4R/RBP1P1P1/3K1B2 b - - 3 21 ; Best move: g5h4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black knight at g8. Black pawn at a7, black bishop at d7, black queen at e7 and black rook at h7. Black pawn at d6, white knight at e6 and black pawn at f6. Black pawn at c5 and black pawn at g5. White pawn at d4, white pawn at e4 and white queen at h4. White pawn at a3, white pawn at b3, black pawn at c3 and white rook at h3. White rook at a2, white bishop at b2, white pawn at c2, white pawn at e2 and white pawn at g2. White king at d1 and white bishop at f1. Both players have exhausted their castles. Half move number is 3. Full move number is 21. Black to move.