rnb2b1r/4p2p/pp4k1/2pP2N1/PP1NnP2/R2P2Pq/3QKP1P/2B4R b - - 0 20
FEN state: rnb2b1r/4p2p/pp4k1/2pP2N1/PP1NnP2/R2P2Pq/3QKP1P/2B4R b - - 0 20 ; Best move: c8g4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at e7 and black pawn at h7. Black pawn at a6, black pawn at b6 and black king at g6. Black pawn at c5, white pawn at d5 and white knight at g5. White pawn at a4, white pawn at b4, white knight at d4, black knight at e4 and white pawn at f4. White rook at a3, white pawn at d3, white pawn at g3 and black queen at h3. White queen at d2, white king at e2, white pawn at f2 and white pawn at h2. White bishop at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.