1nb5/1rppb2r/pp2Ppk1/7p/P1P3n1/2N3P1/1P2PP1q/NRB1KB1R w K - 3 21
FEN state: 1nb5/1rppb2r/pp2Ppk1/7p/P1P3n1/2N3P1/1P2PP1q/NRB1KB1R w K - 3 21 ; Best move: h1h2
The current state of the chess board is: Black knight at b8 and black bishop at c8. Black rook at b7, black pawn at c7, black pawn at d7, black bishop at e7 and black rook at h7. Black pawn at a6, black pawn at b6, white pawn at e6, black pawn at f6 and black king at g6. Black pawn at h5. White pawn at a4, white pawn at c4 and black knight at g4. White knight at c3 and white pawn at g3. White pawn at b2, white pawn at e2, white pawn at f2 and black queen at h2. White knight at a1, white rook at b1, white bishop at c1, 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.