rnb1k2r/3p1p1p/pp1bp2n/2pNNqPP/P5P1/1P5B/R1PPP3/2BQKR2 b kq - 0 20
FEN state: rnb1k2r/3p1p1p/pp1bp2n/2pNNqPP/P5P1/1P5B/R1PPP3/2BQKR2 b kq - 0 20 ; Best move: f5e5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at b6, black bishop at d6, black pawn at e6 and black knight at h6. Black pawn at c5, white knight at d5, white knight at e5, black queen at f5, white pawn at g5 and white pawn at h5. White pawn at a4 and white pawn at g4. White pawn at b3 and white bishop at h3. White rook at a2, white pawn at c2, white pawn at d2 and white pawn at e2. White bishop at c1, white queen at d1, white king at e1 and white rook at f1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 20. Black to move.