1rq3nr/p1p1b2k/3pp1p1/1p3BpP/2P3Q1/4P3/P2P1Pb1/nNB1K2R w K - 2 21
FEN state: 1rq3nr/p1p1b2k/3pp1p1/1p3BpP/2P3Q1/4P3/P2P1Pb1/nNB1K2R w K - 2 21 ; Best move: h5g6
The current state of the chess board is: Black rook at b8, black queen at c8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black bishop at e7 and black king at h7. Black pawn at d6, black pawn at e6 and black pawn at g6. Black pawn at b5, white bishop at f5, black pawn at g5 and white pawn at h5. White pawn at c4 and white queen at g4. White pawn at e3. White pawn at a2, white pawn at d2, white pawn at f2 and black bishop at g2. Black knight at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 2. Full move number is 21. White to move.