1r1qk2r/5pb1/p3p1pn/1Pp1pn1p/3N1P2/1PPPBK1Q/R5PP/1N3B1R w - - 2 20
FEN state: 1r1qk2r/5pb1/p3p1pn/1Pp1pn1p/3N1P2/1PPPBK1Q/R5PP/1N3B1R w - - 2 20 ; Best move: d4f5
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8 and black rook at h8. Black pawn at f7 and black bishop at g7. Black pawn at a6, black pawn at e6, black pawn at g6 and black knight at h6. White pawn at b5, black pawn at c5, black pawn at e5, black knight at f5 and black pawn at h5. White knight at d4 and white pawn at f4. White pawn at b3, white pawn at c3, white pawn at d3, white bishop at e3, white king at f3 and white queen at h3. White rook at a2, white pawn at g2 and white pawn at h2. White knight at b1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.