1nb2b1r/1p2k2p/2p1p1pn/1N2Np2/1P1qp1PP/r2B4/R1PPQP2/2B2RK1 b - - 2 20
FEN state: 1nb2b1r/1p2k2p/2p1p1pn/1N2Np2/1P1qp1PP/r2B4/R1PPQP2/2B2RK1 b - - 2 20 ; Best move: c6b5
The current state of the chess board is: Black knight at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at b7, black king at e7 and black pawn at h7. Black pawn at c6, black pawn at e6, black pawn at g6 and black knight at h6. White knight at b5, white knight at e5 and black pawn at f5. White pawn at b4, black queen at d4, black pawn at e4, white pawn at g4 and white pawn at h4. Black rook at a3 and white bishop at d3. White rook at a2, white pawn at c2, white pawn at d2, white queen at e2 and white pawn at f2. White bishop at c1, white rook at f1 and white king at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. Black to move.