r1b3nr/1p3k1p/p4n2/1BppppP1/3QP1P1/P1b1R2N/R1P2P2/2B2K2 b - - 2 20
FEN state: r1b3nr/1p3k1p/p4n2/1BppppP1/3QP1P1/P1b1R2N/R1P2P2/2B2K2 b - - 2 20 ; Best move: c5d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at b7, black king at f7 and black pawn at h7. Black pawn at a6 and black knight at f6. White bishop at b5, black pawn at c5, black pawn at d5, black pawn at e5, black pawn at f5 and white pawn at g5. White queen at d4, white pawn at e4 and white pawn at g4. White pawn at a3, black bishop at c3, white rook at e3 and white knight at h3. White rook at a2, white pawn at c2 and white pawn at f2. White bishop at c1 and white king at f1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. Black to move.