1nbqr3/r1pp1p1p/p4k2/2p4p/1P2B1n1/P1NP1NR1/2P1P3/2RQK3 w - - 0 20
FEN state: 1nbqr3/r1pp1p1p/p4k2/2p4p/1P2B1n1/P1NP1NR1/2P1P3/2RQK3 w - - 0 20 ; Best move: e1d2
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8 and black rook at e8. Black rook at a7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at a6 and black king at f6. Black pawn at c5 and black pawn at h5. White pawn at b4, white bishop at e4 and black knight at g4. White pawn at a3, white knight at c3, white pawn at d3, white knight at f3 and white rook at g3. White pawn at c2 and white pawn at e2. White rook at c1, white queen at d1 and white king at e1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.