rn2qbr1/pp1kpppp/2p1b2n/1N1p4/1PPP1P2/4B2N/P3P1PP/R2QKB1R b - - 4 12
FEN state: rn2qbr1/pp1kpppp/2p1b2n/1N1p4/1PPP1P2/4B2N/P3P1PP/R2QKB1R b - - 4 12 ; Best move: c6b5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black king at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at c6, black bishop at e6 and black knight at h6. White knight at b5 and black pawn at d5. White pawn at b4, white pawn at c4, white pawn at d4 and white pawn at f4. White bishop at e3 and white knight at h3. White pawn at a2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 12. Black to move.