rnbk4/p2p3p/r5pn/1Pp2p1P/3QpP2/1PN2P2/1BPP1KP1/3R1BNR w - - 1 20
FEN state: rnbk4/p2p3p/r5pn/1Pp2p1P/3QpP2/1PN2P2/1BPP1KP1/3R1BNR w - - 1 20 ; Best move: d4h8
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black king at d8. Black pawn at a7, black pawn at d7 and black pawn at h7. Black rook at a6, black pawn at g6 and black knight at h6. White pawn at b5, black pawn at c5, black pawn at f5 and white pawn at h5. White queen at d4, black pawn at e4 and white pawn at f4. White pawn at b3, white knight at c3 and white pawn at f3. White bishop at b2, white pawn at c2, white pawn at d2, white king at f2 and white pawn at g2. White rook at d1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. White to move.