r3k1r1/1bq1pp2/npp3pn/pN2p1P1/P1Pb2P1/8/1PBP3P/1RB1K1NR b - - 4 22
FEN state: r3k1r1/1bq1pp2/npp3pn/pN2p1P1/P1Pb2P1/8/1PBP3P/1RB1K1NR b - - 4 22 ; Best move: c6b5
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at g8. Black bishop at b7, black queen at c7, black pawn at e7 and black pawn at f7. Black knight at a6, black pawn at b6, black pawn at c6, black pawn at g6 and black knight at h6. Black pawn at a5, white knight at b5, black pawn at e5 and white pawn at g5. White pawn at a4, white pawn at c4, black bishop at d4 and white pawn at g4. White pawn at b2, white bishop at c2, white pawn at d2 and white pawn at h2. White rook at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 22. Black to move.