1rbQ2nr/4pk1p/p1n2p2/1pppN3/1P3bp1/P1PP1NPP/4PPR1/2R1KB2 b - - 1 20
FEN state: 1rbQ2nr/4pk1p/p1n2p2/1pppN3/1P3bp1/P1PP1NPP/4PPR1/2R1KB2 b - - 1 20 ; Best move: f4e5
The current state of the chess board is: Black rook at b8, black bishop at c8, white queen at d8, black knight at g8 and black rook at h8. Black pawn at e7, black king at f7 and black pawn at h7. Black pawn at a6, black knight at c6 and black pawn at f6. Black pawn at b5, black pawn at c5, black pawn at d5 and white knight at e5. White pawn at b4, black bishop at f4 and black pawn at g4. White pawn at a3, white pawn at c3, white pawn at d3, white knight at f3, white pawn at g3 and white pawn at h3. White pawn at e2, white pawn at f2 and white rook at g2. White rook at c1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.