rnb2rk1/3p2pp/ppp1p1P1/5p1n/1b1PP2P/PPN4R/RB2N3/3Q1BK1 b - - 1 20
FEN state: rnb2rk1/3p2pp/ppp1p1P1/5p1n/1b1PP2P/PPN4R/RB2N3/3Q1BK1 b - - 1 20 ; Best move: b4e7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black rook at f8 and black king at g8. Black pawn at d7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at c6, black pawn at e6 and white pawn at g6. Black pawn at f5 and black knight at h5. Black bishop at b4, white pawn at d4, white pawn at e4 and white pawn at h4. White pawn at a3, white pawn at b3, white knight at c3 and white rook at h3. White rook at a2, white bishop at b2 and white knight at e2. White queen at d1, white bishop at f1 and white king at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.