1rb2b1r/1pp2k2/8/2PpP1Pp/p1q2R2/2N2P2/P1PK2P1/R1BQ1B2 b - - 0 21
FEN state: 1rb2b1r/1pp2k2/8/2PpP1Pp/p1q2R2/2N2P2/P1PK2P1/R1BQ1B2 b - - 0 21 ; Best move: c4f4
The current state of the chess board is: Black rook at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7 and black king at f7. White pawn at c5, black pawn at d5, white pawn at e5, white pawn at g5 and black pawn at h5. Black pawn at a4, black queen at c4 and white rook at f4. White knight at c3 and white pawn at f3. White pawn at a2, white pawn at c2, white king at d2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at d1 and white bishop at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.