2b2b1r/2pq1kpp/1pn2p1R/1pP1p3/1Q6/r5P1/PPK1PP2/1RB3N1 b - - 5 21
FEN state: 2b2b1r/2pq1kpp/1pn2p1R/1pP1p3/1Q6/r5P1/PPK1PP2/1RB3N1 b - - 5 21 ; Best move: c6b4
The current state of the chess board is: Black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at c7, black queen at d7, black king at f7, black pawn at g7 and black pawn at h7. Black pawn at b6, black knight at c6, black pawn at f6 and white rook at h6. Black pawn at b5, white pawn at c5 and black pawn at e5. White queen at b4. Black rook at a3 and white pawn at g3. White pawn at a2, white pawn at b2, white king at c2, white pawn at e2 and white pawn at f2. White rook at b1, white bishop at c1 and white knight at g1. Both players have exhausted their castles. Half move number is 5. Full move number is 21. Black to move.