r2k1bn1/2p2ppr/3p1q1P/p3pP2/1pP1b3/1PNKP2N/P2P3P/R1BQ3R w - - 0 20
FEN state: r2k1bn1/2p2ppr/3p1q1P/p3pP2/1pP1b3/1PNKP2N/P2P3P/R1BQ3R w - - 0 20 ; Best move: c3e4
The current state of the chess board is: Black rook at a8, black king at d8, black bishop at f8 and black knight at g8. Black pawn at c7, black pawn at f7, black pawn at g7 and black rook at h7. Black pawn at d6, black queen at f6 and white pawn at h6. Black pawn at a5, black pawn at e5 and white pawn at f5. Black pawn at b4, white pawn at c4 and black bishop at e4. White pawn at b3, white knight at c3, white king at d3, white pawn at e3 and white knight at h3. White pawn at a2, white pawn at d2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.