1rbk3r/1p1p1n2/n2B4/P3pNpp/P1p1P3/2P3P1/1Q2PP1P/RN2KBR1 b Q - 2 22
FEN state: 1rbk3r/1p1p1n2/n2B4/P3pNpp/P1p1P3/2P3P1/1Q2PP1P/RN2KBR1 b Q - 2 22 ; Best move: b7b5
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at d8 and black rook at h8. Black pawn at b7, black pawn at d7 and black knight at f7. Black knight at a6 and white bishop at d6. White pawn at a5, black pawn at e5, white knight at f5, black pawn at g5 and black pawn at h5. White pawn at a4, black pawn at c4 and white pawn at e4. White pawn at c3 and white pawn at g3. White queen at b2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 2. Full move number is 22. Black to move.