2bq4/r1ppb1r1/1p1Ppp1p/p3knB1/P6P/R2P1PP1/1P1QPN2/4KBNR b K - 2 20
FEN state: 2bq4/r1ppb1r1/1p1Ppp1p/p3knB1/P6P/R2P1PP1/1P1QPN2/4KBNR b K - 2 20 ; Best move: e5d6
The current state of the chess board is: Black bishop at c8 and black queen at d8. Black rook at a7, black pawn at c7, black pawn at d7, black bishop at e7 and black rook at g7. Black pawn at b6, white pawn at d6, black pawn at e6, black pawn at f6 and black pawn at h6. Black pawn at a5, black king at e5, black knight at f5 and white bishop at g5. White pawn at a4 and white pawn at h4. White rook at a3, white pawn at d3, white pawn at f3 and white pawn at g3. White pawn at b2, white queen at d2, white pawn at e2 and white knight at f2. White king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 2. Full move number is 20. Black to move.