rn1q1b1r/p3k1pn/2p1p1Qp/P7/2Pp4/1P3PKN/3PP2P/1RB2B1R w - - 4 21
FEN state: rn1q1b1r/p3k1pn/2p1p1Qp/P7/2Pp4/1P3PKN/3PP2P/1RB2B1R w - - 4 21 ; Best move: h3f4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black king at e7, black pawn at g7 and black knight at h7. Black pawn at c6, black pawn at e6, white queen at g6 and black pawn at h6. White pawn at a5. White pawn at c4 and black pawn at d4. White pawn at b3, white pawn at f3, white king at g3 and white knight at h3. White pawn at d2, white pawn at e2 and white pawn at h2. White rook at b1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 21. White to move.