rn2kbnr/1b1pp2p/p7/6p1/1ppPP3/P1PQ1P1p/4B2P/Bq2KN1R w K - 0 21
FEN state: rn2kbnr/1b1pp2p/p7/6p1/1ppPP3/P1PQ1P1p/4B2P/Bq2KN1R w K - 0 21 ; Best move: d3b1
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at d7, black pawn at e7 and black pawn at h7. Black pawn at a6. Black pawn at g5. Black pawn at b4, black pawn at c4, white pawn at d4 and white pawn at e4. White pawn at a3, white pawn at c3, white queen at d3, white pawn at f3 and black pawn at h3. White bishop at e2 and white pawn at h2. White bishop at a1, black queen at b1, white king at e1, white knight at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 21. White to move.