r4r2/Bp1nkp2/2ppbnp1/6Pp/P7/2QP3N/Rb1N3P/4KB1R w K - 3 21
FEN state: r4r2/Bp1nkp2/2ppbnp1/6Pp/P7/2QP3N/Rb1N3P/4KB1R w K - 3 21 ; Best move: g5f6
The current state of the chess board is: Black rook at a8 and black rook at f8. White bishop at a7, black pawn at b7, black knight at d7, black king at e7 and black pawn at f7. Black pawn at c6, black pawn at d6, black bishop at e6, black knight at f6 and black pawn at g6. White pawn at g5 and black pawn at h5. White pawn at a4. White queen at c3, white pawn at d3 and white knight at h3. White rook at a2, black bishop at b2, white knight at d2 and white pawn at h2. White king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 3. Full move number is 21. White to move.