r4b2/1b2nk2/2p1p2r/p1Pp1pp1/1RBP2p1/3QP2N/P1P2P1P/2BR2K1 b - - 2 22
FEN state: r4b2/1b2nk2/2p1p2r/p1Pp1pp1/1RBP2p1/3QP2N/P1P2P1P/2BR2K1 b - - 2 22 ; Best move: a5b4
The current state of the chess board is: Black rook at a8 and black bishop at f8. Black bishop at b7, black knight at e7 and black king at f7. Black pawn at c6, black pawn at e6 and black rook at h6. Black pawn at a5, white pawn at c5, black pawn at d5, black pawn at f5 and black pawn at g5. White rook at b4, white bishop at c4, white pawn at d4 and black pawn at g4. White queen at d3, white pawn at e3 and white knight at h3. White pawn at a2, white pawn at c2, white pawn at f2 and white pawn at h2. White bishop at c1, white rook at d1 and white king at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 22. Black to move.