1nbq1bnr/1pp2p2/2kp2p1/2r1p1Pp/pP1PPN2/P7/1B2KP1P/RN2QB1R w - - 3 21
FEN state: 1nbq1bnr/1pp2p2/2kp2p1/2r1p1Pp/pP1PPN2/P7/1B2KP1P/RN2QB1R w - - 3 21 ; Best move: d4c5
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7 and black pawn at f7. Black king at c6, black pawn at d6 and black pawn at g6. Black rook at c5, black pawn at e5, white pawn at g5 and black pawn at h5. Black pawn at a4, white pawn at b4, white pawn at d4, white pawn at e4 and white knight at f4. White pawn at a3. White bishop at b2, white king at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white queen at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 21. White to move.