1n1q3r/p4kpp/BNppp2n/2P5/p7/P3p1bN/1P1P1P1P/R1B1K1R1 w Q - 1 21
FEN state: 1n1q3r/p4kpp/BNppp2n/2P5/p7/P3p1bN/1P1P1P1P/R1B1K1R1 w Q - 1 21 ; Best move: g1g3
The current state of the chess board is: Black knight at b8, black queen at d8 and black rook at h8. Black pawn at a7, black king at f7, black pawn at g7 and black pawn at h7. White bishop at a6, white knight at b6, black pawn at c6, black pawn at d6, black pawn at e6 and black knight at h6. White pawn at c5. Black pawn at a4. White pawn at a3, black pawn at e3, black bishop at g3 and white knight at h3. White pawn at b2, white pawn at d2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 21. White to move.