r1b2r1k/2p4p/ppnp1q1n/2P2pP1/PP6/2b1P1PP/4KR2/RNB2BN1 b - - 0 21
FEN state: r1b2r1k/2p4p/ppnp1q1n/2P2pP1/PP6/2b1P1PP/4KR2/RNB2BN1 b - - 0 21 ; Best move: f6g7
The current state of the chess board is: Black rook at a8, black bishop at c8, black rook at f8 and black king at h8. Black pawn at c7 and black pawn at h7. Black pawn at a6, black pawn at b6, black knight at c6, black pawn at d6, black queen at f6 and black knight at h6. White pawn at c5, black pawn at f5 and white pawn at g5. White pawn at a4 and white pawn at b4. Black bishop at c3, white pawn at e3, white pawn at g3 and white pawn at h3. White king at e2 and white rook at f2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.