r1bk2r1/2pB2p1/3bPp1p/P7/3QPPP1/P5nP/1q1P1N2/RNB1K1R1 w Q - 1 22
FEN state: r1bk2r1/2pB2p1/3bPp1p/P7/3QPPP1/P5nP/1q1P1N2/RNB1K1R1 w Q - 1 22 ; Best move: c1b2
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8 and black rook at g8. Black pawn at c7, white bishop at d7 and black pawn at g7. Black bishop at d6, white pawn at e6, black pawn at f6 and black pawn at h6. White pawn at a5. White queen at d4, white pawn at e4, white pawn at f4 and white pawn at g4. White pawn at a3, black knight at g3 and white pawn at h3. Black queen at b2, white pawn at d2 and white knight at f2. White rook at a1, white knight at b1, 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 22. White to move.