rn2k2r/3q1p1b/p1p1pn1p/2b3p1/PpB2P1P/1PP1P3/1RP2QPR/1NB1K3 w k - 0 21
FEN state: rn2k2r/3q1p1b/p1p1pn1p/2b3p1/PpB2P1P/1PP1P3/1RP2QPR/1NB1K3 w k - 0 21 ; Best move: h4g5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at h8. Black queen at d7, black pawn at f7 and black bishop at h7. Black pawn at a6, black pawn at c6, black pawn at e6, black knight at f6 and black pawn at h6. Black bishop at c5 and black pawn at g5. White pawn at a4, black pawn at b4, white bishop at c4, white pawn at f4 and white pawn at h4. White pawn at b3, white pawn at c3 and white pawn at e3. White rook at b2, white pawn at c2, white queen at f2, white pawn at g2 and white rook at h2. White knight at b1, white bishop at c1 and white king at e1. Black kingside is the only castle move available. Half move number is 0. Full move number is 21. White to move.