2bq1b1r/1rppp3/1pn1k2p/6pn/P1P2p1P/2KPB3/P1N1PPP1/2QR1BNR w - - 0 21
FEN state: 2bq1b1r/1rppp3/1pn1k2p/6pn/P1P2p1P/2KPB3/P1N1PPP1/2QR1BNR w - - 0 21 ; Best move: d3d4
The current state of the chess board is: Black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black rook at b7, black pawn at c7, black pawn at d7 and black pawn at e7. Black pawn at b6, black knight at c6, black king at e6 and black pawn at h6. Black pawn at g5 and black knight at h5. White pawn at a4, white pawn at c4, black pawn at f4 and white pawn at h4. White king at c3, white pawn at d3 and white bishop at e3. White pawn at a2, white knight at c2, white pawn at e2, white pawn at f2 and white pawn at g2. White queen at c1, 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 0. Full move number is 21. White to move.