1r1k3r/ppp2p2/4b1pb/1N1pp2p/2P1P3/P7/RP1PBKPR/2BQ4 w - - 5 20
FEN state: 1r1k3r/ppp2p2/4b1pb/1N1pp2p/2P1P3/P7/RP1PBKPR/2BQ4 w - - 5 20 ; Best move: c4d5
The current state of the chess board is: Black rook at b8, black king at d8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7 and black pawn at f7. Black bishop at e6, black pawn at g6 and black bishop at h6. White knight at b5, black pawn at d5, black pawn at e5 and black pawn at h5. White pawn at c4 and white pawn at e4. White pawn at a3. White rook at a2, white pawn at b2, white pawn at d2, white bishop at e2, white king at f2, white pawn at g2 and white rook at h2. White bishop at c1 and white queen at d1. Both players have exhausted their castles. Half move number is 5. Full move number is 20. White to move.