r1b1k3/ppqpbN1r/n6p/2p1Q3/2n4P/NKP2PR1/PP1PP3/R1B2B2 b - - 2 20
FEN state: r1b1k3/ppqpbN1r/n6p/2p1Q3/2n4P/NKP2PR1/PP1PP3/R1B2B2 b - - 2 20 ; Best move: c4e5
The current state of the chess board is: Black rook at a8, black bishop at c8 and black king at e8. Black pawn at a7, black pawn at b7, black queen at c7, black pawn at d7, black bishop at e7, white knight at f7 and black rook at h7. Black knight at a6 and black pawn at h6. Black pawn at c5 and white queen at e5. Black knight at c4 and white pawn at h4. White knight at a3, white king at b3, white pawn at c3, white pawn at f3 and white rook at g3. White pawn at a2, white pawn at b2, white pawn at d2 and white pawn at e2. White rook at a1, white bishop at c1 and white bishop at f1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. Black to move.